./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-43_2a-drivers--net--ethernet--sis--sis900.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e7fbc69 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_897bbceb-bcd1-41b7-8a5e-dd9372b77882/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_897bbceb-bcd1-41b7-8a5e-dd9372b77882/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_897bbceb-bcd1-41b7-8a5e-dd9372b77882/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_897bbceb-bcd1-41b7-8a5e-dd9372b77882/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--sis--sis900.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_897bbceb-bcd1-41b7-8a5e-dd9372b77882/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_897bbceb-bcd1-41b7-8a5e-dd9372b77882/bin/utaipan-Q6hlc19bkW --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 8a589a2971b8b26c84b19dd15ca599e2c024bda8a102f55ffa19d72f19d12686 --- 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-4e7fbc6 [2022-11-23 15:09:50,253 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 15:09:50,256 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 15:09:50,296 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 15:09:50,297 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 15:09:50,308 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 15:09:50,311 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 15:09:50,315 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 15:09:50,318 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 15:09:50,325 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 15:09:50,327 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 15:09:50,329 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 15:09:50,330 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 15:09:50,332 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 15:09:50,334 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 15:09:50,336 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 15:09:50,337 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 15:09:50,339 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 15:09:50,340 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 15:09:50,347 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 15:09:50,349 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 15:09:50,352 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 15:09:50,353 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 15:09:50,354 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 15:09:50,363 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 15:09:50,365 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 15:09:50,365 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 15:09:50,367 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 15:09:50,368 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 15:09:50,370 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 15:09:50,370 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 15:09:50,371 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 15:09:50,373 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 15:09:50,375 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 15:09:50,376 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 15:09:50,376 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 15:09:50,377 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 15:09:50,377 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 15:09:50,377 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 15:09:50,379 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 15:09:50,380 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 15:09:50,381 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_897bbceb-bcd1-41b7-8a5e-dd9372b77882/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-23 15:09:50,419 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 15:09:50,419 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 15:09:50,420 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 15:09:50,420 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 15:09:50,421 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 15:09:50,421 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 15:09:50,421 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 15:09:50,422 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 15:09:50,422 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 15:09:50,422 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 15:09:50,423 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 15:09:50,423 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 15:09:50,423 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 15:09:50,424 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 15:09:50,424 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 15:09:50,424 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 15:09:50,424 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 15:09:50,425 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 15:09:50,425 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 15:09:50,425 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 15:09:50,426 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 15:09:50,426 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 15:09:50,426 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 15:09:50,426 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 15:09:50,427 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 15:09:50,427 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 15:09:50,427 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 15:09:50,427 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 15:09:50,428 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 15:09:50,428 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:09:50,428 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 15:09:50,428 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 15:09:50,429 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 15:09:50,429 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 15:09:50,429 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 15:09:50,429 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 15:09:50,429 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 15:09:50,430 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 15:09:50,430 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_897bbceb-bcd1-41b7-8a5e-dd9372b77882/bin/utaipan-Q6hlc19bkW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_897bbceb-bcd1-41b7-8a5e-dd9372b77882/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8a589a2971b8b26c84b19dd15ca599e2c024bda8a102f55ffa19d72f19d12686 [2022-11-23 15:09:50,795 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 15:09:50,832 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 15:09:50,835 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 15:09:50,837 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 15:09:50,837 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 15:09:50,838 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_897bbceb-bcd1-41b7-8a5e-dd9372b77882/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--sis--sis900.ko-entry_point.cil.out.i [2022-11-23 15:09:53,883 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 15:09:54,577 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 15:09:54,577 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_897bbceb-bcd1-41b7-8a5e-dd9372b77882/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--sis--sis900.ko-entry_point.cil.out.i [2022-11-23 15:09:54,638 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_897bbceb-bcd1-41b7-8a5e-dd9372b77882/bin/utaipan-Q6hlc19bkW/data/a98a45336/b9be71ae98ad48919903ae627e8df152/FLAGec4d72023 [2022-11-23 15:09:54,705 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_897bbceb-bcd1-41b7-8a5e-dd9372b77882/bin/utaipan-Q6hlc19bkW/data/a98a45336/b9be71ae98ad48919903ae627e8df152 [2022-11-23 15:09:54,707 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 15:09:54,709 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 15:09:54,716 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 15:09:54,716 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 15:09:54,720 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 15:09:54,734 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:09:54" (1/1) ... [2022-11-23 15:09:54,736 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c5eb2ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:09:54, skipping insertion in model container [2022-11-23 15:09:54,751 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:09:54" (1/1) ... [2022-11-23 15:09:54,759 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 15:09:54,906 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 15:09:56,961 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_897bbceb-bcd1-41b7-8a5e-dd9372b77882/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--sis--sis900.ko-entry_point.cil.out.i[280896,280909] [2022-11-23 15:09:57,033 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:09:57,080 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 15:09:57,468 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_897bbceb-bcd1-41b7-8a5e-dd9372b77882/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--sis--sis900.ko-entry_point.cil.out.i[280896,280909] [2022-11-23 15:09:57,485 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:09:57,682 INFO L208 MainTranslator]: Completed translation [2022-11-23 15:09:57,683 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:09:57 WrapperNode [2022-11-23 15:09:57,683 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 15:09:57,684 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 15:09:57,684 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 15:09:57,685 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 15:09:57,692 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:09:57" (1/1) ... [2022-11-23 15:09:57,777 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:09:57" (1/1) ... [2022-11-23 15:09:57,920 INFO L138 Inliner]: procedures = 274, calls = 1595, calls flagged for inlining = 149, calls inlined = 146, statements flattened = 4301 [2022-11-23 15:09:57,921 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 15:09:57,922 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 15:09:57,922 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 15:09:57,922 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 15:09:57,933 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:09:57" (1/1) ... [2022-11-23 15:09:57,933 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:09:57" (1/1) ... [2022-11-23 15:09:57,957 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:09:57" (1/1) ... [2022-11-23 15:09:57,957 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:09:57" (1/1) ... [2022-11-23 15:09:58,070 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:09:57" (1/1) ... [2022-11-23 15:09:58,087 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:09:57" (1/1) ... [2022-11-23 15:09:58,204 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:09:57" (1/1) ... [2022-11-23 15:09:58,228 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:09:57" (1/1) ... [2022-11-23 15:09:58,270 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 15:09:58,272 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 15:09:58,272 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 15:09:58,272 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 15:09:58,274 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:09:57" (1/1) ... [2022-11-23 15:09:58,311 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:09:58,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_897bbceb-bcd1-41b7-8a5e-dd9372b77882/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:09:58,338 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_897bbceb-bcd1-41b7-8a5e-dd9372b77882/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 15:09:58,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_897bbceb-bcd1-41b7-8a5e-dd9372b77882/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 15:09:58,385 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_init_rxfilter [2022-11-23 15:09:58,385 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_init_rxfilter [2022-11-23 15:09:58,385 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_write [2022-11-23 15:09:58,386 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_write [2022-11-23 15:09:58,386 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_shutdown_3 [2022-11-23 15:09:58,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_shutdown_3 [2022-11-23 15:09:58,386 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-23 15:09:58,386 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-23 15:09:58,386 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-23 15:09:58,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-23 15:09:58,387 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-23 15:09:58,387 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-23 15:09:58,387 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-11-23 15:09:58,387 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-11-23 15:09:58,387 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-23 15:09:58,388 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-23 15:09:58,388 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-23 15:09:58,388 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-23 15:09:58,388 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-11-23 15:09:58,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-11-23 15:09:58,388 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-23 15:09:58,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-23 15:09:58,389 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_reset [2022-11-23 15:09:58,389 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_reset [2022-11-23 15:09:58,389 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-23 15:09:58,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-23 15:09:58,391 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-11-23 15:09:58,391 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-11-23 15:09:58,392 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-11-23 15:09:58,392 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-11-23 15:09:58,392 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-23 15:09:58,392 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-23 15:09:58,392 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-11-23 15:09:58,393 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-11-23 15:09:58,393 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_default_phy [2022-11-23 15:09:58,393 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_default_phy [2022-11-23 15:09:58,393 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2022-11-23 15:09:58,394 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2022-11-23 15:09:58,394 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-23 15:09:58,394 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-23 15:09:58,394 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-11-23 15:09:58,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-11-23 15:09:58,394 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-23 15:09:58,395 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-23 15:09:58,395 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-11-23 15:09:58,395 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-11-23 15:09:58,395 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-11-23 15:09:58,395 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-11-23 15:09:58,395 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_check_mode [2022-11-23 15:09:58,396 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_check_mode [2022-11-23 15:09:58,397 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-23 15:09:58,397 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-23 15:09:58,397 INFO L130 BoogieDeclarations]: Found specification of procedure read_eeprom [2022-11-23 15:09:58,397 INFO L138 BoogieDeclarations]: Found implementation of procedure read_eeprom [2022-11-23 15:09:58,397 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-11-23 15:09:58,397 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-11-23 15:09:58,398 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 15:09:58,398 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-23 15:09:58,398 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-23 15:09:58,399 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2022-11-23 15:09:58,399 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2022-11-23 15:09:58,399 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-23 15:09:58,399 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-23 15:09:58,400 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-23 15:09:58,400 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-11-23 15:09:58,400 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-11-23 15:09:58,400 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-23 15:09:58,400 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-23 15:09:58,400 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-11-23 15:09:58,401 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-11-23 15:09:58,401 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-23 15:09:58,401 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-23 15:09:58,401 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-11-23 15:09:58,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-11-23 15:09:58,402 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_init_rx_ring [2022-11-23 15:09:58,402 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_init_rx_ring [2022-11-23 15:09:58,402 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_remove [2022-11-23 15:09:58,402 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_remove [2022-11-23 15:09:58,402 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-23 15:09:58,403 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-23 15:09:58,403 INFO L130 BoogieDeclarations]: Found specification of procedure sis630_set_eq [2022-11-23 15:09:58,403 INFO L138 BoogieDeclarations]: Found implementation of procedure sis630_set_eq [2022-11-23 15:09:58,403 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_device [2022-11-23 15:09:58,403 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_device [2022-11-23 15:09:58,403 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-11-23 15:09:58,404 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-11-23 15:09:58,404 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 15:09:58,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-23 15:09:58,404 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2022-11-23 15:09:58,404 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2022-11-23 15:09:58,404 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2022-11-23 15:09:58,405 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2022-11-23 15:09:58,405 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-23 15:09:58,405 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-23 15:09:58,405 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_init_tx_ring [2022-11-23 15:09:58,405 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_init_tx_ring [2022-11-23 15:09:58,405 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-23 15:09:58,406 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-23 15:09:58,406 INFO L130 BoogieDeclarations]: Found specification of procedure eth_hw_addr_random [2022-11-23 15:09:58,406 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_hw_addr_random [2022-11-23 15:09:58,406 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2022-11-23 15:09:58,406 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2022-11-23 15:09:58,407 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-23 15:09:58,407 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-23 15:09:58,407 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2022-11-23 15:09:58,407 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2022-11-23 15:09:58,407 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_set_mode [2022-11-23 15:09:58,407 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_set_mode [2022-11-23 15:09:58,408 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-23 15:09:58,408 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_poll [2022-11-23 15:09:58,408 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_poll [2022-11-23 15:09:58,408 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2022-11-23 15:09:58,408 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2022-11-23 15:09:58,408 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-23 15:09:58,409 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-23 15:09:58,409 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-23 15:09:58,409 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-23 15:09:58,409 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2022-11-23 15:09:58,409 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2022-11-23 15:09:58,410 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-23 15:09:58,410 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-23 15:09:58,410 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-23 15:09:58,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-23 15:09:58,410 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-23 15:09:58,410 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-23 15:09:58,411 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_resume [2022-11-23 15:09:58,411 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_resume [2022-11-23 15:09:58,411 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-11-23 15:09:58,411 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-11-23 15:09:58,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 15:09:58,412 INFO L130 BoogieDeclarations]: Found specification of procedure __bitrev16 [2022-11-23 15:09:58,412 INFO L138 BoogieDeclarations]: Found implementation of procedure __bitrev16 [2022-11-23 15:09:58,412 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-11-23 15:09:58,412 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-11-23 15:09:58,413 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_interrupt [2022-11-23 15:09:58,413 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_interrupt [2022-11-23 15:09:58,413 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-23 15:09:58,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-23 15:09:58,413 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_reset_phy [2022-11-23 15:09:58,413 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_reset_phy [2022-11-23 15:09:58,413 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-23 15:09:58,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-23 15:09:58,414 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_set_config [2022-11-23 15:09:58,414 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_set_config [2022-11-23 15:09:58,414 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-23 15:09:58,414 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dev_put [2022-11-23 15:09:58,414 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dev_put [2022-11-23 15:09:58,415 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-11-23 15:09:58,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-11-23 15:09:58,415 INFO L130 BoogieDeclarations]: Found specification of procedure __bitrev8 [2022-11-23 15:09:58,415 INFO L138 BoogieDeclarations]: Found implementation of procedure __bitrev8 [2022-11-23 15:09:58,415 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 15:09:58,415 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_idle [2022-11-23 15:09:58,416 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_idle [2022-11-23 15:09:58,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-23 15:09:58,416 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2022-11-23 15:09:58,416 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2022-11-23 15:09:58,416 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-11-23 15:09:58,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-11-23 15:09:58,417 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2022-11-23 15:09:58,417 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2022-11-23 15:09:58,417 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-11-23 15:09:58,417 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-11-23 15:09:58,417 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_early_3 [2022-11-23 15:09:58,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_early_3 [2022-11-23 15:09:58,418 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_tx_timeout [2022-11-23 15:09:58,418 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_tx_timeout [2022-11-23 15:09:58,418 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-11-23 15:09:58,418 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-11-23 15:09:58,418 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ioctl [2022-11-23 15:09:58,418 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ioctl [2022-11-23 15:09:58,419 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-11-23 15:09:58,419 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-11-23 15:09:58,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 15:09:58,419 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2022-11-23 15:09:58,419 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2022-11-23 15:09:58,419 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 15:09:58,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 15:09:59,301 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 15:09:59,305 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 15:09:59,794 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-23 15:10:03,439 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 15:10:04,751 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 15:10:04,751 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-23 15:10:04,757 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:10:04 BoogieIcfgContainer [2022-11-23 15:10:04,758 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 15:10:04,761 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 15:10:04,761 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 15:10:04,764 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 15:10:04,764 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:09:54" (1/3) ... [2022-11-23 15:10:04,766 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39acc0e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:10:04, skipping insertion in model container [2022-11-23 15:10:04,767 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:09:57" (2/3) ... [2022-11-23 15:10:04,768 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39acc0e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:10:04, skipping insertion in model container [2022-11-23 15:10:04,768 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:10:04" (3/3) ... [2022-11-23 15:10:04,769 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--sis--sis900.ko-entry_point.cil.out.i [2022-11-23 15:10:04,790 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 15:10:04,791 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-23 15:10:04,894 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 15:10:04,902 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;@7e77b124, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 15:10:04,902 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-23 15:10:04,915 INFO L276 IsEmpty]: Start isEmpty. Operand has 1300 states, 770 states have (on average 1.325974025974026) internal successors, (1021), 794 states have internal predecessors, (1021), 446 states have call successors, (446), 83 states have call predecessors, (446), 82 states have return successors, (439), 435 states have call predecessors, (439), 439 states have call successors, (439) [2022-11-23 15:10:04,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-11-23 15:10:04,961 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:10:04,962 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 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] [2022-11-23 15:10:04,963 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:10:04,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:10:04,972 INFO L85 PathProgramCache]: Analyzing trace with hash -1654900751, now seen corresponding path program 1 times [2022-11-23 15:10:04,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:10:04,983 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [233763647] [2022-11-23 15:10:04,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:10:04,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:10:05,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:10:06,274 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2022-11-23 15:10:06,275 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:10:06,275 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [233763647] [2022-11-23 15:10:06,276 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [233763647] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:10:06,276 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:10:06,276 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 15:10:06,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [333605897] [2022-11-23 15:10:06,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:10:06,286 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-23 15:10:06,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:10:06,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-23 15:10:06,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:10:06,336 INFO L87 Difference]: Start difference. First operand has 1300 states, 770 states have (on average 1.325974025974026) internal successors, (1021), 794 states have internal predecessors, (1021), 446 states have call successors, (446), 83 states have call predecessors, (446), 82 states have return successors, (439), 435 states have call predecessors, (439), 439 states have call successors, (439) Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-11-23 15:10:10,224 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:10:13,458 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:10:14,598 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:10:15,909 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:10:17,919 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:10:19,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:10:19,688 INFO L93 Difference]: Finished difference Result 3835 states and 5673 transitions. [2022-11-23 15:10:19,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-23 15:10:19,691 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 134 [2022-11-23 15:10:19,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:10:19,749 INFO L225 Difference]: With dead ends: 3835 [2022-11-23 15:10:19,749 INFO L226 Difference]: Without dead ends: 2535 [2022-11-23 15:10:19,771 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-23 15:10:19,775 INFO L413 NwaCegarLoop]: 2116 mSDtfsCounter, 1845 mSDsluCounter, 5887 mSDsCounter, 0 mSdLazyCounter, 841 mSolverCounterSat, 5 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1851 SdHoareTripleChecker+Valid, 8003 SdHoareTripleChecker+Invalid, 849 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 841 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.9s IncrementalHoareTripleChecker+Time [2022-11-23 15:10:19,780 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1851 Valid, 8003 Invalid, 849 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5 Valid, 841 Invalid, 3 Unknown, 0 Unchecked, 12.9s Time] [2022-11-23 15:10:19,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2535 states. [2022-11-23 15:10:20,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2535 to 2521. [2022-11-23 15:10:20,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2521 states, 1507 states have (on average 1.3145321831453218) internal successors, (1981), 1542 states have internal predecessors, (1981), 852 states have call successors, (852), 162 states have call predecessors, (852), 161 states have return successors, (853), 838 states have call predecessors, (853), 851 states have call successors, (853) [2022-11-23 15:10:20,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2521 states to 2521 states and 3686 transitions. [2022-11-23 15:10:20,127 INFO L78 Accepts]: Start accepts. Automaton has 2521 states and 3686 transitions. Word has length 134 [2022-11-23 15:10:20,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:10:20,130 INFO L495 AbstractCegarLoop]: Abstraction has 2521 states and 3686 transitions. [2022-11-23 15:10:20,131 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-11-23 15:10:20,137 INFO L276 IsEmpty]: Start isEmpty. Operand 2521 states and 3686 transitions. [2022-11-23 15:10:20,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-11-23 15:10:20,158 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:10:20,158 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 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] [2022-11-23 15:10:20,158 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 15:10:20,159 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:10:20,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:10:20,159 INFO L85 PathProgramCache]: Analyzing trace with hash 1460925475, now seen corresponding path program 1 times [2022-11-23 15:10:20,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:10:20,164 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [282368091] [2022-11-23 15:10:20,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:10:20,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:10:20,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:10:20,853 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2022-11-23 15:10:20,854 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:10:20,854 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [282368091] [2022-11-23 15:10:20,854 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [282368091] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:10:20,855 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:10:20,855 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 15:10:20,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1749968933] [2022-11-23 15:10:20,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:10:20,857 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-23 15:10:20,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:10:20,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-23 15:10:20,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:10:20,858 INFO L87 Difference]: Start difference. First operand 2521 states and 3686 transitions. Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-11-23 15:10:24,188 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:10:26,196 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:10:28,364 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:10:30,380 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:10:31,468 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:10:32,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:10:32,249 INFO L93 Difference]: Finished difference Result 6085 states and 8832 transitions. [2022-11-23 15:10:32,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-23 15:10:32,250 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 135 [2022-11-23 15:10:32,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:10:32,283 INFO L225 Difference]: With dead ends: 6085 [2022-11-23 15:10:32,284 INFO L226 Difference]: Without dead ends: 4660 [2022-11-23 15:10:32,294 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-23 15:10:32,295 INFO L413 NwaCegarLoop]: 2077 mSDtfsCounter, 1548 mSDsluCounter, 5787 mSDsCounter, 0 mSdLazyCounter, 858 mSolverCounterSat, 3 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1552 SdHoareTripleChecker+Valid, 7864 SdHoareTripleChecker+Invalid, 863 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 858 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.0s IncrementalHoareTripleChecker+Time [2022-11-23 15:10:32,296 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1552 Valid, 7864 Invalid, 863 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 858 Invalid, 2 Unknown, 0 Unchecked, 11.0s Time] [2022-11-23 15:10:32,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4660 states. [2022-11-23 15:10:32,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4660 to 4638. [2022-11-23 15:10:32,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4638 states, 2783 states have (on average 1.3147682357168524) internal successors, (3659), 2845 states have internal predecessors, (3659), 1543 states have call successors, (1543), 312 states have call predecessors, (1543), 311 states have return successors, (1546), 1518 states have call predecessors, (1546), 1542 states have call successors, (1546) [2022-11-23 15:10:32,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4638 states to 4638 states and 6748 transitions. [2022-11-23 15:10:32,640 INFO L78 Accepts]: Start accepts. Automaton has 4638 states and 6748 transitions. Word has length 135 [2022-11-23 15:10:32,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:10:32,641 INFO L495 AbstractCegarLoop]: Abstraction has 4638 states and 6748 transitions. [2022-11-23 15:10:32,641 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-11-23 15:10:32,641 INFO L276 IsEmpty]: Start isEmpty. Operand 4638 states and 6748 transitions. [2022-11-23 15:10:32,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2022-11-23 15:10:32,648 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:10:32,648 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 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] [2022-11-23 15:10:32,648 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-23 15:10:32,649 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:10:32,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:10:32,659 INFO L85 PathProgramCache]: Analyzing trace with hash 521752692, now seen corresponding path program 1 times [2022-11-23 15:10:32,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:10:32,659 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [890058608] [2022-11-23 15:10:32,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:10:32,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:10:32,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:10:33,155 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2022-11-23 15:10:33,155 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:10:33,155 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [890058608] [2022-11-23 15:10:33,157 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [890058608] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:10:33,157 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:10:33,157 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 15:10:33,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295885766] [2022-11-23 15:10:33,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:10:33,158 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-23 15:10:33,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:10:33,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-23 15:10:33,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:10:33,159 INFO L87 Difference]: Start difference. First operand 4638 states and 6748 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-11-23 15:10:35,444 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:10:36,839 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:10:38,775 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:10:40,029 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:10:42,939 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.98s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:10:45,297 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:10:47,158 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:10:47,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:10:47,750 INFO L93 Difference]: Finished difference Result 8564 states and 12397 transitions. [2022-11-23 15:10:47,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-23 15:10:47,751 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 136 [2022-11-23 15:10:47,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:10:47,791 INFO L225 Difference]: With dead ends: 8564 [2022-11-23 15:10:47,791 INFO L226 Difference]: Without dead ends: 5914 [2022-11-23 15:10:47,809 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-23 15:10:47,810 INFO L413 NwaCegarLoop]: 2092 mSDtfsCounter, 1825 mSDsluCounter, 5817 mSDsCounter, 0 mSdLazyCounter, 829 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1829 SdHoareTripleChecker+Valid, 7909 SdHoareTripleChecker+Invalid, 832 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 829 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.2s IncrementalHoareTripleChecker+Time [2022-11-23 15:10:47,810 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1829 Valid, 7909 Invalid, 832 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 829 Invalid, 0 Unknown, 0 Unchecked, 14.2s Time] [2022-11-23 15:10:47,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5914 states. [2022-11-23 15:10:48,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5914 to 5883. [2022-11-23 15:10:48,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5883 states, 3534 states have (on average 1.314657611771364) internal successors, (4646), 3610 states have internal predecessors, (4646), 1956 states have call successors, (1956), 393 states have call predecessors, (1956), 392 states have return successors, (1959), 1928 states have call predecessors, (1959), 1955 states have call successors, (1959) [2022-11-23 15:10:48,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5883 states to 5883 states and 8561 transitions. [2022-11-23 15:10:48,359 INFO L78 Accepts]: Start accepts. Automaton has 5883 states and 8561 transitions. Word has length 136 [2022-11-23 15:10:48,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:10:48,361 INFO L495 AbstractCegarLoop]: Abstraction has 5883 states and 8561 transitions. [2022-11-23 15:10:48,362 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-11-23 15:10:48,362 INFO L276 IsEmpty]: Start isEmpty. Operand 5883 states and 8561 transitions. [2022-11-23 15:10:48,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2022-11-23 15:10:48,368 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:10:48,368 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 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] [2022-11-23 15:10:48,369 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-23 15:10:48,369 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:10:48,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:10:48,370 INFO L85 PathProgramCache]: Analyzing trace with hash -1568337786, now seen corresponding path program 1 times [2022-11-23 15:10:48,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:10:48,371 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [880331754] [2022-11-23 15:10:48,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:10:48,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:10:48,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:10:48,829 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2022-11-23 15:10:48,830 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:10:48,830 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [880331754] [2022-11-23 15:10:48,830 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [880331754] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:10:48,830 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:10:48,832 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 15:10:48,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969984889] [2022-11-23 15:10:48,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:10:48,833 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-23 15:10:48,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:10:48,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-23 15:10:48,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:10:48,835 INFO L87 Difference]: Start difference. First operand 5883 states and 8561 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-11-23 15:10:51,143 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:10:53,131 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:10:55,854 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:10:57,863 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:10:59,868 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:11:03,820 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:11:05,826 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:11:07,834 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:11:08,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:11:08,514 INFO L93 Difference]: Finished difference Result 9805 states and 14197 transitions. [2022-11-23 15:11:08,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-23 15:11:08,515 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 137 [2022-11-23 15:11:08,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:11:08,659 INFO L225 Difference]: With dead ends: 9805 [2022-11-23 15:11:08,659 INFO L226 Difference]: Without dead ends: 5908 [2022-11-23 15:11:08,681 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-23 15:11:08,684 INFO L413 NwaCegarLoop]: 2092 mSDtfsCounter, 1823 mSDsluCounter, 5817 mSDsCounter, 0 mSdLazyCounter, 826 mSolverCounterSat, 3 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1827 SdHoareTripleChecker+Valid, 7909 SdHoareTripleChecker+Invalid, 834 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 826 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.3s IncrementalHoareTripleChecker+Time [2022-11-23 15:11:08,688 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1827 Valid, 7909 Invalid, 834 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 826 Invalid, 5 Unknown, 0 Unchecked, 19.3s Time] [2022-11-23 15:11:08,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5908 states. [2022-11-23 15:11:09,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5908 to 5880. [2022-11-23 15:11:09,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5880 states, 3533 states have (on average 1.313897537503538) internal successors, (4642), 3607 states have internal predecessors, (4642), 1953 states have call successors, (1953), 394 states have call predecessors, (1953), 393 states have return successors, (1955), 1927 states have call predecessors, (1955), 1952 states have call successors, (1955) [2022-11-23 15:11:09,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5880 states to 5880 states and 8550 transitions. [2022-11-23 15:11:09,210 INFO L78 Accepts]: Start accepts. Automaton has 5880 states and 8550 transitions. Word has length 137 [2022-11-23 15:11:09,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:11:09,211 INFO L495 AbstractCegarLoop]: Abstraction has 5880 states and 8550 transitions. [2022-11-23 15:11:09,211 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-11-23 15:11:09,211 INFO L276 IsEmpty]: Start isEmpty. Operand 5880 states and 8550 transitions. [2022-11-23 15:11:09,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2022-11-23 15:11:09,219 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:11:09,220 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:11:09,220 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-23 15:11:09,220 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:11:09,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:11:09,221 INFO L85 PathProgramCache]: Analyzing trace with hash 1686244243, now seen corresponding path program 1 times [2022-11-23 15:11:09,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:11:09,221 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1424452961] [2022-11-23 15:11:09,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:11:09,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:11:09,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:11:09,496 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2022-11-23 15:11:09,497 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:11:09,497 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1424452961] [2022-11-23 15:11:09,497 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1424452961] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:11:09,497 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:11:09,497 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 15:11:09,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1551147247] [2022-11-23 15:11:09,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:11:09,498 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 15:11:09,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:11:09,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 15:11:09,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:11:09,499 INFO L87 Difference]: Start difference. First operand 5880 states and 8550 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-23 15:11:15,293 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:11:15,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:11:15,909 INFO L93 Difference]: Finished difference Result 14103 states and 20394 transitions. [2022-11-23 15:11:15,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 15:11:15,910 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 145 [2022-11-23 15:11:15,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:11:15,962 INFO L225 Difference]: With dead ends: 14103 [2022-11-23 15:11:15,963 INFO L226 Difference]: Without dead ends: 8247 [2022-11-23 15:11:15,991 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 [2022-11-23 15:11:15,992 INFO L413 NwaCegarLoop]: 2074 mSDtfsCounter, 1454 mSDsluCounter, 1543 mSDsCounter, 0 mSdLazyCounter, 490 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1454 SdHoareTripleChecker+Valid, 3617 SdHoareTripleChecker+Invalid, 498 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 490 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2022-11-23 15:11:15,992 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1454 Valid, 3617 Invalid, 498 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 490 Invalid, 1 Unknown, 0 Unchecked, 6.0s Time] [2022-11-23 15:11:16,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8247 states. [2022-11-23 15:11:16,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8247 to 8235. [2022-11-23 15:11:16,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8235 states, 4921 states have (on average 1.3017679333468808) internal successors, (6406), 5035 states have internal predecessors, (6406), 2727 states have call successors, (2727), 590 states have call predecessors, (2727), 586 states have return successors, (2729), 2683 states have call predecessors, (2729), 2726 states have call successors, (2729) [2022-11-23 15:11:16,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8235 states to 8235 states and 11862 transitions. [2022-11-23 15:11:16,492 INFO L78 Accepts]: Start accepts. Automaton has 8235 states and 11862 transitions. Word has length 145 [2022-11-23 15:11:16,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:11:16,494 INFO L495 AbstractCegarLoop]: Abstraction has 8235 states and 11862 transitions. [2022-11-23 15:11:16,494 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-23 15:11:16,494 INFO L276 IsEmpty]: Start isEmpty. Operand 8235 states and 11862 transitions. [2022-11-23 15:11:16,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2022-11-23 15:11:16,499 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:11:16,499 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:11:16,499 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-23 15:11:16,500 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:11:16,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:11:16,500 INFO L85 PathProgramCache]: Analyzing trace with hash 365320355, now seen corresponding path program 1 times [2022-11-23 15:11:16,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:11:16,501 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2069055468] [2022-11-23 15:11:16,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:11:16,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:11:16,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:11:17,189 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2022-11-23 15:11:17,190 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:11:17,190 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2069055468] [2022-11-23 15:11:17,190 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2069055468] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 15:11:17,190 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1915599555] [2022-11-23 15:11:17,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:11:17,191 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:11:17,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_897bbceb-bcd1-41b7-8a5e-dd9372b77882/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:11:17,194 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_897bbceb-bcd1-41b7-8a5e-dd9372b77882/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:11:17,204 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_897bbceb-bcd1-41b7-8a5e-dd9372b77882/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-23 15:11:18,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:11:18,286 INFO L263 TraceCheckSpWp]: Trace formula consists of 2459 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-23 15:11:18,297 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:11:18,442 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2022-11-23 15:11:18,442 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 15:11:18,442 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1915599555] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:11:18,443 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-23 15:11:18,443 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8] total 13 [2022-11-23 15:11:18,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682302652] [2022-11-23 15:11:18,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:11:18,444 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-23 15:11:18,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:11:18,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-23 15:11:18,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2022-11-23 15:11:18,445 INFO L87 Difference]: Start difference. First operand 8235 states and 11862 transitions. Second operand has 7 states, 7 states have (on average 8.0) internal successors, (56), 5 states have internal predecessors, (56), 3 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (17), 3 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-23 15:11:21,640 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:11:22,853 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:11:24,148 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:11:25,860 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:11:27,998 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:11:33,363 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:11:34,405 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:11:38,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:11:38,842 INFO L93 Difference]: Finished difference Result 18082 states and 25971 transitions. [2022-11-23 15:11:38,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-23 15:11:38,843 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 5 states have internal predecessors, (56), 3 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (17), 3 states have call predecessors, (17), 2 states have call successors, (17) Word has length 147 [2022-11-23 15:11:38,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:11:38,908 INFO L225 Difference]: With dead ends: 18082 [2022-11-23 15:11:38,908 INFO L226 Difference]: Without dead ends: 12781 [2022-11-23 15:11:38,938 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=312, Unknown=0, NotChecked=0, Total=380 [2022-11-23 15:11:38,939 INFO L413 NwaCegarLoop]: 2528 mSDtfsCounter, 1586 mSDsluCounter, 11751 mSDsCounter, 0 mSdLazyCounter, 1662 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1590 SdHoareTripleChecker+Valid, 14279 SdHoareTripleChecker+Invalid, 1665 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1662 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.7s IncrementalHoareTripleChecker+Time [2022-11-23 15:11:38,940 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1590 Valid, 14279 Invalid, 1665 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 1662 Invalid, 1 Unknown, 0 Unchecked, 19.7s Time] [2022-11-23 15:11:38,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12781 states. [2022-11-23 15:11:39,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12781 to 12697. [2022-11-23 15:11:39,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12697 states, 7600 states have (on average 1.3014473684210526) internal successors, (9891), 7781 states have internal predecessors, (9891), 4163 states have call successors, (4163), 934 states have call predecessors, (4163), 933 states have return successors, (4178), 4091 states have call predecessors, (4178), 4162 states have call successors, (4178) [2022-11-23 15:11:39,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12697 states to 12697 states and 18232 transitions. [2022-11-23 15:11:39,828 INFO L78 Accepts]: Start accepts. Automaton has 12697 states and 18232 transitions. Word has length 147 [2022-11-23 15:11:39,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:11:39,829 INFO L495 AbstractCegarLoop]: Abstraction has 12697 states and 18232 transitions. [2022-11-23 15:11:39,829 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 5 states have internal predecessors, (56), 3 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (17), 3 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-23 15:11:39,829 INFO L276 IsEmpty]: Start isEmpty. Operand 12697 states and 18232 transitions. [2022-11-23 15:11:39,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2022-11-23 15:11:39,835 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:11:39,836 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:11:39,852 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_897bbceb-bcd1-41b7-8a5e-dd9372b77882/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-23 15:11:40,047 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_897bbceb-bcd1-41b7-8a5e-dd9372b77882/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:11:40,047 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:11:40,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:11:40,048 INFO L85 PathProgramCache]: Analyzing trace with hash -445360202, now seen corresponding path program 1 times [2022-11-23 15:11:40,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:11:40,048 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385110584] [2022-11-23 15:11:40,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:11:40,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:11:40,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:11:40,651 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2022-11-23 15:11:40,652 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:11:40,652 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [385110584] [2022-11-23 15:11:40,652 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [385110584] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 15:11:40,652 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1289403188] [2022-11-23 15:11:40,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:11:40,653 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:11:40,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_897bbceb-bcd1-41b7-8a5e-dd9372b77882/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:11:40,654 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_897bbceb-bcd1-41b7-8a5e-dd9372b77882/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:11:40,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_897bbceb-bcd1-41b7-8a5e-dd9372b77882/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-23 15:11:41,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:11:41,741 INFO L263 TraceCheckSpWp]: Trace formula consists of 2461 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-23 15:11:41,748 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:11:41,869 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2022-11-23 15:11:41,869 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 15:11:41,870 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1289403188] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:11:41,870 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-23 15:11:41,870 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 14 [2022-11-23 15:11:41,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831033790] [2022-11-23 15:11:41,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:11:41,871 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-23 15:11:41,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:11:41,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-23 15:11:41,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2022-11-23 15:11:41,872 INFO L87 Difference]: Start difference. First operand 12697 states and 18232 transitions. Second operand has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 5 states have internal predecessors, (57), 3 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (17), 3 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-23 15:11:45,699 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:11:48,819 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:11:50,413 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:11:52,421 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:11:54,427 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:11:56,435 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:11:58,440 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:12:00,288 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:12:03,390 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:12:04,505 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:12:08,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:12:08,098 INFO L93 Difference]: Finished difference Result 27749 states and 39834 transitions. [2022-11-23 15:12:08,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-23 15:12:08,099 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 5 states have internal predecessors, (57), 3 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (17), 3 states have call predecessors, (17), 2 states have call successors, (17) Word has length 148 [2022-11-23 15:12:08,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:12:08,208 INFO L225 Difference]: With dead ends: 27749 [2022-11-23 15:12:08,208 INFO L226 Difference]: Without dead ends: 17986 [2022-11-23 15:12:08,257 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=70, Invalid=350, Unknown=0, NotChecked=0, Total=420 [2022-11-23 15:12:08,258 INFO L413 NwaCegarLoop]: 2294 mSDtfsCounter, 1864 mSDsluCounter, 10803 mSDsCounter, 0 mSdLazyCounter, 1489 mSolverCounterSat, 2 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1868 SdHoareTripleChecker+Valid, 13097 SdHoareTripleChecker+Invalid, 1495 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1489 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.4s IncrementalHoareTripleChecker+Time [2022-11-23 15:12:08,258 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1868 Valid, 13097 Invalid, 1495 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1489 Invalid, 4 Unknown, 0 Unchecked, 25.4s Time] [2022-11-23 15:12:08,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17986 states. [2022-11-23 15:12:09,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17986 to 17896. [2022-11-23 15:12:09,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17896 states, 10716 states have (on average 1.3018850317282569) internal successors, (13951), 10991 states have internal predecessors, (13951), 5867 states have call successors, (5867), 1300 states have call predecessors, (5867), 1312 states have return successors, (5905), 5760 states have call predecessors, (5905), 5866 states have call successors, (5905) [2022-11-23 15:12:09,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17896 states to 17896 states and 25723 transitions. [2022-11-23 15:12:09,630 INFO L78 Accepts]: Start accepts. Automaton has 17896 states and 25723 transitions. Word has length 148 [2022-11-23 15:12:09,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:12:09,631 INFO L495 AbstractCegarLoop]: Abstraction has 17896 states and 25723 transitions. [2022-11-23 15:12:09,631 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 5 states have internal predecessors, (57), 3 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (17), 3 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-23 15:12:09,631 INFO L276 IsEmpty]: Start isEmpty. Operand 17896 states and 25723 transitions. [2022-11-23 15:12:09,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2022-11-23 15:12:09,638 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:12:09,639 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:12:09,656 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_897bbceb-bcd1-41b7-8a5e-dd9372b77882/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-23 15:12:09,849 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_897bbceb-bcd1-41b7-8a5e-dd9372b77882/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2022-11-23 15:12:09,850 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:12:09,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:12:09,850 INFO L85 PathProgramCache]: Analyzing trace with hash 64233738, now seen corresponding path program 1 times [2022-11-23 15:12:09,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:12:09,851 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1730356657] [2022-11-23 15:12:09,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:12:09,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:12:09,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:12:10,444 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2022-11-23 15:12:10,445 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:12:10,445 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1730356657] [2022-11-23 15:12:10,445 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1730356657] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 15:12:10,445 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1151518861] [2022-11-23 15:12:10,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:12:10,446 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:12:10,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_897bbceb-bcd1-41b7-8a5e-dd9372b77882/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:12:10,447 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_897bbceb-bcd1-41b7-8a5e-dd9372b77882/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:12:10,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_897bbceb-bcd1-41b7-8a5e-dd9372b77882/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-23 15:12:11,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:12:11,603 INFO L263 TraceCheckSpWp]: Trace formula consists of 2463 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-23 15:12:11,609 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:12:11,742 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2022-11-23 15:12:11,743 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 15:12:11,743 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1151518861] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:12:11,743 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-23 15:12:11,743 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 14 [2022-11-23 15:12:11,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2122366488] [2022-11-23 15:12:11,743 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:12:11,744 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-23 15:12:11,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:12:11,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-23 15:12:11,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2022-11-23 15:12:11,745 INFO L87 Difference]: Start difference. First operand 17896 states and 25723 transitions. Second operand has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 5 states have internal predecessors, (58), 3 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (17), 3 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-23 15:12:14,261 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:12:17,268 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:12:21,415 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:12:23,420 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:12:25,425 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:12:27,368 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:12:29,437 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:12:31,446 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:12:39,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:12:39,788 INFO L93 Difference]: Finished difference Result 38423 states and 55168 transitions. [2022-11-23 15:12:39,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-23 15:12:39,789 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 5 states have internal predecessors, (58), 3 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (17), 3 states have call predecessors, (17), 2 states have call successors, (17) Word has length 149 [2022-11-23 15:12:39,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:12:39,923 INFO L225 Difference]: With dead ends: 38423 [2022-11-23 15:12:39,923 INFO L226 Difference]: Without dead ends: 23467 [2022-11-23 15:12:39,996 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=70, Invalid=350, Unknown=0, NotChecked=0, Total=420 [2022-11-23 15:12:39,997 INFO L413 NwaCegarLoop]: 2223 mSDtfsCounter, 1864 mSDsluCounter, 10519 mSDsCounter, 0 mSdLazyCounter, 1427 mSolverCounterSat, 2 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1868 SdHoareTripleChecker+Valid, 12742 SdHoareTripleChecker+Invalid, 1434 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1427 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.0s IncrementalHoareTripleChecker+Time [2022-11-23 15:12:39,997 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1868 Valid, 12742 Invalid, 1434 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1427 Invalid, 5 Unknown, 0 Unchecked, 27.0s Time] [2022-11-23 15:12:40,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23467 states. [2022-11-23 15:12:41,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23467 to 18194. [2022-11-23 15:12:41,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18194 states, 10898 states have (on average 1.3010644154890805) internal successors, (14179), 11177 states have internal predecessors, (14179), 5943 states have call successors, (5943), 1340 states have call predecessors, (5943), 1352 states have return successors, (5978), 5836 states have call predecessors, (5978), 5942 states have call successors, (5978) [2022-11-23 15:12:41,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18194 states to 18194 states and 26100 transitions. [2022-11-23 15:12:41,466 INFO L78 Accepts]: Start accepts. Automaton has 18194 states and 26100 transitions. Word has length 149 [2022-11-23 15:12:41,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:12:41,467 INFO L495 AbstractCegarLoop]: Abstraction has 18194 states and 26100 transitions. [2022-11-23 15:12:41,468 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 5 states have internal predecessors, (58), 3 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (17), 3 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-23 15:12:41,468 INFO L276 IsEmpty]: Start isEmpty. Operand 18194 states and 26100 transitions. [2022-11-23 15:12:41,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2022-11-23 15:12:41,475 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:12:41,475 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:12:41,493 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_897bbceb-bcd1-41b7-8a5e-dd9372b77882/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-23 15:12:41,686 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_897bbceb-bcd1-41b7-8a5e-dd9372b77882/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2022-11-23 15:12:41,687 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:12:41,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:12:41,687 INFO L85 PathProgramCache]: Analyzing trace with hash -1447335875, now seen corresponding path program 1 times [2022-11-23 15:12:41,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:12:41,688 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842431635] [2022-11-23 15:12:41,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:12:41,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:12:41,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:12:42,400 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2022-11-23 15:12:42,400 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:12:42,400 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [842431635] [2022-11-23 15:12:42,400 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [842431635] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 15:12:42,400 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [145342469] [2022-11-23 15:12:42,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:12:42,401 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:12:42,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_897bbceb-bcd1-41b7-8a5e-dd9372b77882/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:12:42,418 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_897bbceb-bcd1-41b7-8a5e-dd9372b77882/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:12:42,438 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_897bbceb-bcd1-41b7-8a5e-dd9372b77882/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-23 15:12:43,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:12:43,417 INFO L263 TraceCheckSpWp]: Trace formula consists of 2465 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-23 15:12:43,424 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:12:43,541 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2022-11-23 15:12:43,541 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 15:12:43,541 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [145342469] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:12:43,541 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-23 15:12:43,542 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 14 [2022-11-23 15:12:43,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368525983] [2022-11-23 15:12:43,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:12:43,542 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-23 15:12:43,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:12:43,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-23 15:12:43,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2022-11-23 15:12:43,543 INFO L87 Difference]: Start difference. First operand 18194 states and 26100 transitions. Second operand has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 5 states have internal predecessors, (59), 3 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (17), 3 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-23 15:12:47,164 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:12:48,892 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:12:50,175 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:12:52,182 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:12:55,917 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:12:57,926 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:12:59,933 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:13:01,939 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:13:07,118 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:13:09,098 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:13:10,293 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:13:12,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:13:12,596 INFO L93 Difference]: Finished difference Result 38425 states and 55169 transitions. [2022-11-23 15:13:12,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-23 15:13:12,597 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 5 states have internal predecessors, (59), 3 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (17), 3 states have call predecessors, (17), 2 states have call successors, (17) Word has length 150 [2022-11-23 15:13:12,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:13:12,743 INFO L225 Difference]: With dead ends: 38425 [2022-11-23 15:13:12,743 INFO L226 Difference]: Without dead ends: 23467 [2022-11-23 15:13:12,821 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=70, Invalid=350, Unknown=0, NotChecked=0, Total=420 [2022-11-23 15:13:12,824 INFO L413 NwaCegarLoop]: 2294 mSDtfsCounter, 1864 mSDsluCounter, 10803 mSDsCounter, 0 mSdLazyCounter, 1489 mSolverCounterSat, 2 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1868 SdHoareTripleChecker+Valid, 13097 SdHoareTripleChecker+Invalid, 1496 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1489 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.1s IncrementalHoareTripleChecker+Time [2022-11-23 15:13:12,824 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1868 Valid, 13097 Invalid, 1496 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1489 Invalid, 5 Unknown, 0 Unchecked, 28.1s Time] [2022-11-23 15:13:12,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23467 states. [2022-11-23 15:13:13,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23467 to 18196. [2022-11-23 15:13:13,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18196 states, 10900 states have (on average 1.3010091743119265) internal successors, (14181), 11177 states have internal predecessors, (14181), 5943 states have call successors, (5943), 1340 states have call predecessors, (5943), 1352 states have return successors, (5978), 5838 states have call predecessors, (5978), 5942 states have call successors, (5978) [2022-11-23 15:13:14,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18196 states to 18196 states and 26102 transitions. [2022-11-23 15:13:14,117 INFO L78 Accepts]: Start accepts. Automaton has 18196 states and 26102 transitions. Word has length 150 [2022-11-23 15:13:14,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:13:14,118 INFO L495 AbstractCegarLoop]: Abstraction has 18196 states and 26102 transitions. [2022-11-23 15:13:14,118 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 5 states have internal predecessors, (59), 3 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (17), 3 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-23 15:13:14,119 INFO L276 IsEmpty]: Start isEmpty. Operand 18196 states and 26102 transitions. [2022-11-23 15:13:14,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-11-23 15:13:14,129 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:13:14,129 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:13:14,151 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_897bbceb-bcd1-41b7-8a5e-dd9372b77882/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-23 15:13:14,341 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_897bbceb-bcd1-41b7-8a5e-dd9372b77882/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-11-23 15:13:14,343 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:13:14,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:13:14,344 INFO L85 PathProgramCache]: Analyzing trace with hash -146265330, now seen corresponding path program 1 times [2022-11-23 15:13:14,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:13:14,344 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997348748] [2022-11-23 15:13:14,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:13:14,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:13:14,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:13:15,188 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 18 proven. 8 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2022-11-23 15:13:15,189 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:13:15,189 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1997348748] [2022-11-23 15:13:15,189 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1997348748] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 15:13:15,189 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [515330681] [2022-11-23 15:13:15,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:13:15,190 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:13:15,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_897bbceb-bcd1-41b7-8a5e-dd9372b77882/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:13:15,191 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_897bbceb-bcd1-41b7-8a5e-dd9372b77882/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:13:15,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_897bbceb-bcd1-41b7-8a5e-dd9372b77882/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-23 15:13:16,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:13:16,321 INFO L263 TraceCheckSpWp]: Trace formula consists of 2532 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-23 15:13:16,327 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:13:16,551 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 14 proven. 7 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2022-11-23 15:13:16,551 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 15:13:17,029 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 17 proven. 3 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2022-11-23 15:13:17,029 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [515330681] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 15:13:17,030 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1158478380] [2022-11-23 15:13:17,166 INFO L159 IcfgInterpreter]: Started Sifa with 82 locations of interest [2022-11-23 15:13:17,166 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 15:13:17,170 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 15:13:17,175 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 15:13:17,175 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 15:13:19,581 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2022-11-23 15:13:20,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:20,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:20,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:20,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:20,416 INFO L217 Elim1Store]: Index analysis took 415 ms [2022-11-23 15:13:50,874 WARN L233 SmtUtils]: Spent 30.42s on a formula simplification. DAG size of input: 1766 DAG size of output: 805 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-23 15:13:50,881 INFO L321 Elim1Store]: treesize reduction 5883, result has 19.2 percent of original size [2022-11-23 15:13:50,883 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 72 select indices, 72 select index equivalence classes, 2286 disjoint index pairs (out of 2556 index pairs), introduced 72 new quantified variables, introduced 342 case distinctions, treesize of input 400 treesize of output 1657 [2022-11-23 15:13:52,559 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2022-11-23 15:13:52,791 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2022-11-23 15:13:53,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:53,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:53,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:53,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:13:53,151 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 67 select indices, 67 select index equivalence classes, 2489 disjoint index pairs (out of 2211 index pairs), introduced 67 new quantified variables, introduced 0 case distinctions, treesize of input 351 treesize of output 557 [2022-11-23 15:13:53,918 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2022-11-23 15:13:54,202 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2022-11-23 15:13:54,621 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2022-11-23 15:13:54,808 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2022-11-23 15:14:02,363 INFO L350 Elim1Store]: Elim1 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 [2022-11-23 15:14:02,368 INFO L350 Elim1Store]: Elim1 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 8 treesize of output 7 [2022-11-23 15:14:02,381 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2022-11-23 15:14:06,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:06,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:06,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:06,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:06,799 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 71 select indices, 71 select index equivalence classes, 2489 disjoint index pairs (out of 2485 index pairs), introduced 71 new quantified variables, introduced 0 case distinctions, treesize of input 356 treesize of output 214 [2022-11-23 15:14:07,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:07,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:07,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:07,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:07,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:07,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:07,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:07,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:07,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:07,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:07,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:07,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:07,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:07,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:07,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:07,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:07,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:07,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:07,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:07,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:07,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:07,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:07,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:07,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:07,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:07,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:07,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:07,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:07,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:07,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:07,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:07,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:07,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:07,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:07,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:07,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:07,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:07,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:07,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:07,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:07,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:07,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:07,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:07,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:07,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:07,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:07,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:07,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:07,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:07,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:07,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:07,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:07,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:07,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:07,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:07,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:07,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:07,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:07,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:07,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:07,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:07,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:07,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:07,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:07,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:07,756 INFO L217 Elim1Store]: Index analysis took 169 ms [2022-11-23 15:14:07,789 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 159 select indices, 159 select index equivalence classes, 1759 disjoint index pairs (out of 12561 index pairs), introduced 159 new quantified variables, introduced 0 case distinctions, treesize of input 1318 treesize of output 478 [2022-11-23 15:14:08,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:08,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:08,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:08,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:08,524 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 72 select indices, 72 select index equivalence classes, 2556 disjoint index pairs (out of 2556 index pairs), introduced 72 new quantified variables, introduced 0 case distinctions, treesize of input 361 treesize of output 217 [2022-11-23 15:14:20,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:20,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:20,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:20,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:20,168 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 71 select indices, 71 select index equivalence classes, 2489 disjoint index pairs (out of 2485 index pairs), introduced 71 new quantified variables, introduced 0 case distinctions, treesize of input 356 treesize of output 214 [2022-11-23 15:14:20,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:20,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:20,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:20,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:20,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:20,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:20,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:20,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:20,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:20,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:20,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:20,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:20,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:20,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:20,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:20,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:20,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:20,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:20,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:20,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:20,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:20,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:20,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:20,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:20,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:20,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:20,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:20,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:20,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:20,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:20,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:20,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:20,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:20,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:20,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:20,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:20,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:20,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:20,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:20,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:20,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:20,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:20,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:20,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:20,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:20,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:20,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:20,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:20,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:20,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:20,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:20,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:20,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:20,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:20,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:20,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:20,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:20,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:20,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:20,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:20,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:20,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:20,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:20,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:20,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:20,946 INFO L217 Elim1Store]: Index analysis took 138 ms [2022-11-23 15:14:20,967 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 159 select indices, 159 select index equivalence classes, 1759 disjoint index pairs (out of 12561 index pairs), introduced 159 new quantified variables, introduced 0 case distinctions, treesize of input 1318 treesize of output 478 [2022-11-23 15:14:21,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:21,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:21,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:21,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:21,982 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 72 select indices, 72 select index equivalence classes, 2556 disjoint index pairs (out of 2556 index pairs), introduced 72 new quantified variables, introduced 0 case distinctions, treesize of input 361 treesize of output 217 [2022-11-23 15:15:31,827 INFO L350 Elim1Store]: Elim1 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 [2022-11-23 15:15:32,116 INFO L350 Elim1Store]: Elim1 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 [2022-11-23 15:15:32,238 INFO L350 Elim1Store]: Elim1 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 [2022-11-23 15:15:33,969 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 15:15:33,994 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 15:15:34,000 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 15:16:31,159 INFO L350 Elim1Store]: Elim1 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 [2022-11-23 15:16:31,377 INFO L350 Elim1Store]: Elim1 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 [2022-11-23 15:16:31,825 INFO L350 Elim1Store]: Elim1 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 [2022-11-23 15:16:33,365 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 15:16:33,377 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 15:16:33,409 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 15:16:42,587 INFO L350 Elim1Store]: Elim1 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 [2022-11-23 15:16:42,725 INFO L350 Elim1Store]: Elim1 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 [2022-11-23 15:16:43,236 INFO L350 Elim1Store]: Elim1 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 [2022-11-23 15:16:48,340 INFO L350 Elim1Store]: Elim1 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 [2022-11-23 15:16:48,692 INFO L350 Elim1Store]: Elim1 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 [2022-11-23 15:16:48,929 INFO L350 Elim1Store]: Elim1 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 [2022-11-23 15:17:48,539 INFO L350 Elim1Store]: Elim1 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 [2022-11-23 15:17:48,655 INFO L350 Elim1Store]: Elim1 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 [2022-11-23 15:17:48,780 INFO L350 Elim1Store]: Elim1 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 [2022-11-23 15:17:50,955 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 15:17:50,960 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 15:17:50,963 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 15:18:55,439 INFO L350 Elim1Store]: Elim1 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 [2022-11-23 15:18:56,253 INFO L350 Elim1Store]: Elim1 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 [2022-11-23 15:18:56,465 INFO L350 Elim1Store]: Elim1 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 [2022-11-23 15:18:57,743 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 15:18:57,799 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 15:18:57,819 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 15:19:07,333 INFO L350 Elim1Store]: Elim1 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 [2022-11-23 15:19:07,627 INFO L350 Elim1Store]: Elim1 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 [2022-11-23 15:19:07,966 INFO L350 Elim1Store]: Elim1 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 [2022-11-23 15:19:12,599 INFO L350 Elim1Store]: Elim1 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 [2022-11-23 15:19:12,859 INFO L350 Elim1Store]: Elim1 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 [2022-11-23 15:19:13,422 INFO L350 Elim1Store]: Elim1 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 [2022-11-23 15:21:14,094 INFO L350 Elim1Store]: Elim1 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 [2022-11-23 15:21:14,244 INFO L350 Elim1Store]: Elim1 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 [2022-11-23 15:21:14,371 INFO L350 Elim1Store]: Elim1 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 [2022-11-23 15:21:16,364 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 15:21:16,372 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 15:21:16,377 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 15:22:55,521 INFO L350 Elim1Store]: Elim1 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 [2022-11-23 15:22:55,768 INFO L350 Elim1Store]: Elim1 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 [2022-11-23 15:22:56,253 INFO L350 Elim1Store]: Elim1 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 [2022-11-23 15:22:57,768 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 15:22:57,795 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 15:22:57,827 WARN L207 Elim1Store]: Array PQE input equivalent to false