./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--char--lp.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e7fbc69 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dec2554-2400-47fa-adea-1df0a964789d/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dec2554-2400-47fa-adea-1df0a964789d/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_4dec2554-2400-47fa-adea-1df0a964789d/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dec2554-2400-47fa-adea-1df0a964789d/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--char--lp.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dec2554-2400-47fa-adea-1df0a964789d/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_4dec2554-2400-47fa-adea-1df0a964789d/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 96a9bd06c2a0348ab1a93991deedda2ae571d70e4f7fb0e32175d69384f432c0 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-4e7fbc6 [2022-11-23 14:43:56,278 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 14:43:56,280 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 14:43:56,317 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 14:43:56,317 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 14:43:56,319 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 14:43:56,320 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 14:43:56,322 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 14:43:56,330 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 14:43:56,335 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 14:43:56,337 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 14:43:56,341 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 14:43:56,341 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 14:43:56,346 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 14:43:56,347 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 14:43:56,348 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 14:43:56,349 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 14:43:56,349 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 14:43:56,351 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 14:43:56,353 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 14:43:56,354 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 14:43:56,359 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 14:43:56,362 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 14:43:56,363 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 14:43:56,377 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 14:43:56,378 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 14:43:56,378 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 14:43:56,379 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 14:43:56,379 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 14:43:56,380 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 14:43:56,380 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 14:43:56,381 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 14:43:56,382 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 14:43:56,383 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 14:43:56,384 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 14:43:56,384 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 14:43:56,385 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 14:43:56,385 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 14:43:56,385 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 14:43:56,386 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 14:43:56,389 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 14:43:56,391 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dec2554-2400-47fa-adea-1df0a964789d/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-23 14:43:56,435 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 14:43:56,435 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 14:43:56,436 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 14:43:56,436 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 14:43:56,437 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 14:43:56,437 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 14:43:56,438 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 14:43:56,438 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 14:43:56,438 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 14:43:56,438 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 14:43:56,439 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 14:43:56,439 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 14:43:56,440 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 14:43:56,440 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 14:43:56,440 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 14:43:56,440 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 14:43:56,440 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 14:43:56,441 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 14:43:56,441 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 14:43:56,442 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 14:43:56,442 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 14:43:56,442 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 14:43:56,442 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 14:43:56,442 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 14:43:56,443 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 14:43:56,443 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 14:43:56,443 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 14:43:56,443 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 14:43:56,443 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 14:43:56,444 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 14:43:56,444 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 14:43:56,444 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 14:43:56,444 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 14:43:56,445 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 14:43:56,445 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 14:43:56,445 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 14:43:56,445 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 14:43:56,445 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 14:43:56,446 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_4dec2554-2400-47fa-adea-1df0a964789d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dec2554-2400-47fa-adea-1df0a964789d/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 96a9bd06c2a0348ab1a93991deedda2ae571d70e4f7fb0e32175d69384f432c0 [2022-11-23 14:43:56,754 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 14:43:56,805 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 14:43:56,824 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 14:43:56,825 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 14:43:56,825 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 14:43:56,827 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dec2554-2400-47fa-adea-1df0a964789d/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--char--lp.ko-entry_point.cil.out.i [2022-11-23 14:43:59,931 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 14:44:00,511 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 14:44:00,511 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dec2554-2400-47fa-adea-1df0a964789d/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--char--lp.ko-entry_point.cil.out.i [2022-11-23 14:44:00,552 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dec2554-2400-47fa-adea-1df0a964789d/bin/utaipan-Q6hlc19bkW/data/0f3d1c4c2/f96df6c87e3448829a62ea00913a47c7/FLAGde54fa19b [2022-11-23 14:44:00,574 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dec2554-2400-47fa-adea-1df0a964789d/bin/utaipan-Q6hlc19bkW/data/0f3d1c4c2/f96df6c87e3448829a62ea00913a47c7 [2022-11-23 14:44:00,577 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 14:44:00,579 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 14:44:00,583 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 14:44:00,583 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 14:44:00,587 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 14:44:00,588 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:44:00" (1/1) ... [2022-11-23 14:44:00,590 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b00c793 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:44:00, skipping insertion in model container [2022-11-23 14:44:00,590 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:44:00" (1/1) ... [2022-11-23 14:44:00,598 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 14:44:00,726 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 14:44:01,946 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_4dec2554-2400-47fa-adea-1df0a964789d/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--char--lp.ko-entry_point.cil.out.i[147706,147719] [2022-11-23 14:44:02,148 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 14:44:02,228 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 14:44:02,421 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_4dec2554-2400-47fa-adea-1df0a964789d/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--char--lp.ko-entry_point.cil.out.i[147706,147719] [2022-11-23 14:44:02,440 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 14:44:02,485 INFO L208 MainTranslator]: Completed translation [2022-11-23 14:44:02,485 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:44:02 WrapperNode [2022-11-23 14:44:02,485 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 14:44:02,487 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 14:44:02,487 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 14:44:02,487 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 14:44:02,494 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:44:02" (1/1) ... [2022-11-23 14:44:02,564 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:44:02" (1/1) ... [2022-11-23 14:44:02,719 INFO L138 Inliner]: procedures = 222, calls = 875, calls flagged for inlining = 79, calls inlined = 74, statements flattened = 2387 [2022-11-23 14:44:02,720 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 14:44:02,721 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 14:44:02,722 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 14:44:02,722 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 14:44:02,732 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:44:02" (1/1) ... [2022-11-23 14:44:02,732 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:44:02" (1/1) ... [2022-11-23 14:44:02,761 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:44:02" (1/1) ... [2022-11-23 14:44:02,761 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:44:02" (1/1) ... [2022-11-23 14:44:02,862 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:44:02" (1/1) ... [2022-11-23 14:44:02,884 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:44:02" (1/1) ... [2022-11-23 14:44:02,898 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:44:02" (1/1) ... [2022-11-23 14:44:02,916 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:44:02" (1/1) ... [2022-11-23 14:44:02,931 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 14:44:02,932 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 14:44:02,932 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 14:44:02,932 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 14:44:02,933 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:44:02" (1/1) ... [2022-11-23 14:44:02,939 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 14:44:02,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dec2554-2400-47fa-adea-1df0a964789d/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:44:02,965 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dec2554-2400-47fa-adea-1df0a964789d/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 14:44:02,975 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dec2554-2400-47fa-adea-1df0a964789d/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 14:44:03,009 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_port_mutex_of_lp_struct [2022-11-23 14:44:03,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_port_mutex_of_lp_struct [2022-11-23 14:44:03,010 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2022-11-23 14:44:03,010 INFO L130 BoogieDeclarations]: Found specification of procedure lp_error [2022-11-23 14:44:03,011 INFO L138 BoogieDeclarations]: Found implementation of procedure lp_error [2022-11-23 14:44:03,011 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-23 14:44:03,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-23 14:44:03,011 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-23 14:44:03,011 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-23 14:44:03,011 INFO L130 BoogieDeclarations]: Found specification of procedure lp_register [2022-11-23 14:44:03,012 INFO L138 BoogieDeclarations]: Found implementation of procedure lp_register [2022-11-23 14:44:03,012 INFO L130 BoogieDeclarations]: Found specification of procedure file_inode [2022-11-23 14:44:03,012 INFO L138 BoogieDeclarations]: Found implementation of procedure file_inode [2022-11-23 14:44:03,012 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-11-23 14:44:03,013 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-11-23 14:44:03,013 INFO L130 BoogieDeclarations]: Found specification of procedure lp_release_parport [2022-11-23 14:44:03,013 INFO L138 BoogieDeclarations]: Found implementation of procedure lp_release_parport [2022-11-23 14:44:03,013 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-23 14:44:03,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-23 14:44:03,013 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-23 14:44:03,013 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-23 14:44:03,014 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-23 14:44:03,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-23 14:44:03,014 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-23 14:44:03,014 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-23 14:44:03,015 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-11-23 14:44:03,015 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-11-23 14:44:03,016 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-11-23 14:44:03,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-11-23 14:44:03,017 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_port_mutex_of_lp_struct [2022-11-23 14:44:03,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_port_mutex_of_lp_struct [2022-11-23 14:44:03,017 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 14:44:03,017 INFO L130 BoogieDeclarations]: Found specification of procedure lp_set_timeout [2022-11-23 14:44:03,017 INFO L138 BoogieDeclarations]: Found implementation of procedure lp_set_timeout [2022-11-23 14:44:03,017 INFO L130 BoogieDeclarations]: Found specification of procedure lp_reset [2022-11-23 14:44:03,018 INFO L138 BoogieDeclarations]: Found implementation of procedure lp_reset [2022-11-23 14:44:03,018 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_25 [2022-11-23 14:44:03,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_25 [2022-11-23 14:44:03,018 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-23 14:44:03,018 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-23 14:44:03,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-23 14:44:03,019 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2022-11-23 14:44:03,019 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2022-11-23 14:44:03,019 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2022-11-23 14:44:03,019 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2022-11-23 14:44:03,019 INFO L130 BoogieDeclarations]: Found specification of procedure parport_write [2022-11-23 14:44:03,020 INFO L138 BoogieDeclarations]: Found implementation of procedure parport_write [2022-11-23 14:44:03,020 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 14:44:03,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-23 14:44:03,021 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2022-11-23 14:44:03,021 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2022-11-23 14:44:03,021 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lp_mutex [2022-11-23 14:44:03,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lp_mutex [2022-11-23 14:44:03,021 INFO L130 BoogieDeclarations]: Found specification of procedure test_ti_thread_flag [2022-11-23 14:44:03,021 INFO L138 BoogieDeclarations]: Found implementation of procedure test_ti_thread_flag [2022-11-23 14:44:03,022 INFO L130 BoogieDeclarations]: Found specification of procedure parport_negotiate [2022-11-23 14:44:03,022 INFO L138 BoogieDeclarations]: Found implementation of procedure parport_negotiate [2022-11-23 14:44:03,022 INFO L130 BoogieDeclarations]: Found specification of procedure parport_release [2022-11-23 14:44:03,022 INFO L138 BoogieDeclarations]: Found implementation of procedure parport_release [2022-11-23 14:44:03,023 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_console [2022-11-23 14:44:03,023 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_console [2022-11-23 14:44:03,023 INFO L130 BoogieDeclarations]: Found specification of procedure parport_set_timeout [2022-11-23 14:44:03,023 INFO L138 BoogieDeclarations]: Found implementation of procedure parport_set_timeout [2022-11-23 14:44:03,023 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-23 14:44:03,023 INFO L130 BoogieDeclarations]: Found specification of procedure parport_claim_or_block [2022-11-23 14:44:03,024 INFO L138 BoogieDeclarations]: Found implementation of procedure parport_claim_or_block [2022-11-23 14:44:03,024 INFO L130 BoogieDeclarations]: Found specification of procedure lp_do_ioctl [2022-11-23 14:44:03,024 INFO L138 BoogieDeclarations]: Found implementation of procedure lp_do_ioctl [2022-11-23 14:44:03,024 INFO L130 BoogieDeclarations]: Found specification of procedure class_destroy [2022-11-23 14:44:03,024 INFO L138 BoogieDeclarations]: Found implementation of procedure class_destroy [2022-11-23 14:44:03,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 14:44:03,024 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-11-23 14:44:03,025 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-11-23 14:44:03,025 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-23 14:44:03,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-23 14:44:03,026 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-23 14:44:03,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-23 14:44:03,026 INFO L130 BoogieDeclarations]: Found specification of procedure lp_claim_parport_or_block [2022-11-23 14:44:03,026 INFO L138 BoogieDeclarations]: Found implementation of procedure lp_claim_parport_or_block [2022-11-23 14:44:03,027 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2022-11-23 14:44:03,027 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2022-11-23 14:44:03,027 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-23 14:44:03,027 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-23 14:44:03,028 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-23 14:44:03,028 INFO L130 BoogieDeclarations]: Found specification of procedure memchr [2022-11-23 14:44:03,028 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-11-23 14:44:03,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-11-23 14:44:03,028 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-11-23 14:44:03,028 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-11-23 14:44:03,029 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 14:44:03,029 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-23 14:44:03,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-23 14:44:03,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-23 14:44:03,030 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-23 14:44:03,030 INFO L130 BoogieDeclarations]: Found specification of procedure lp_detach [2022-11-23 14:44:03,030 INFO L138 BoogieDeclarations]: Found implementation of procedure lp_detach [2022-11-23 14:44:03,030 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lp_mutex [2022-11-23 14:44:03,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lp_mutex [2022-11-23 14:44:03,031 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-23 14:44:03,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-23 14:44:03,031 INFO L130 BoogieDeclarations]: Found specification of procedure lp_negotiate [2022-11-23 14:44:03,032 INFO L138 BoogieDeclarations]: Found implementation of procedure lp_negotiate [2022-11-23 14:44:03,032 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2022-11-23 14:44:03,032 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2022-11-23 14:44:03,032 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2022-11-23 14:44:03,032 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2022-11-23 14:44:03,032 INFO L130 BoogieDeclarations]: Found specification of procedure lp_wait_ready [2022-11-23 14:44:03,032 INFO L138 BoogieDeclarations]: Found implementation of procedure lp_wait_ready [2022-11-23 14:44:03,033 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-11-23 14:44:03,033 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-11-23 14:44:03,034 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2022-11-23 14:44:03,036 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2022-11-23 14:44:03,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 14:44:03,037 INFO L130 BoogieDeclarations]: Found specification of procedure lp_write [2022-11-23 14:44:03,037 INFO L138 BoogieDeclarations]: Found implementation of procedure lp_write [2022-11-23 14:44:03,038 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2022-11-23 14:44:03,039 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2022-11-23 14:44:03,040 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-11-23 14:44:03,040 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-11-23 14:44:03,041 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 14:44:03,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 14:44:03,095 INFO L130 BoogieDeclarations]: Found specification of procedure parport_yield_blocking [2022-11-23 14:44:03,095 INFO L138 BoogieDeclarations]: Found implementation of procedure parport_yield_blocking [2022-11-23 14:44:03,096 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-23 14:44:03,096 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-23 14:44:03,703 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 14:44:03,707 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 14:44:03,921 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-23 14:44:05,629 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 14:44:06,261 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 14:44:06,261 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-23 14:44:06,266 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:44:06 BoogieIcfgContainer [2022-11-23 14:44:06,267 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 14:44:06,269 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 14:44:06,270 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 14:44:06,273 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 14:44:06,273 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:44:00" (1/3) ... [2022-11-23 14:44:06,275 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6dd4c05c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:44:06, skipping insertion in model container [2022-11-23 14:44:06,275 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:44:02" (2/3) ... [2022-11-23 14:44:06,277 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6dd4c05c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:44:06, skipping insertion in model container [2022-11-23 14:44:06,277 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:44:06" (3/3) ... [2022-11-23 14:44:06,278 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--char--lp.ko-entry_point.cil.out.i [2022-11-23 14:44:06,303 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 14:44:06,303 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-23 14:44:06,377 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 14:44:06,386 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;@fb61685, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 14:44:06,386 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-23 14:44:06,394 INFO L276 IsEmpty]: Start isEmpty. Operand has 636 states, 394 states have (on average 1.3781725888324874) internal successors, (543), 416 states have internal predecessors, (543), 186 states have call successors, (186), 55 states have call predecessors, (186), 54 states have return successors, (181), 181 states have call predecessors, (181), 181 states have call successors, (181) [2022-11-23 14:44:06,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2022-11-23 14:44:06,426 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:44:06,426 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:44:06,427 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:44:06,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:44:06,437 INFO L85 PathProgramCache]: Analyzing trace with hash 1391302805, now seen corresponding path program 1 times [2022-11-23 14:44:06,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:44:06,449 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [213370906] [2022-11-23 14:44:06,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:44:06,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:44:06,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:44:07,677 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2022-11-23 14:44:07,678 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:44:07,678 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [213370906] [2022-11-23 14:44:07,679 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [213370906] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:44:07,679 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:44:07,679 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 14:44:07,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4132607] [2022-11-23 14:44:07,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:44:07,688 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-23 14:44:07,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:44:07,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-23 14:44:07,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-23 14:44:07,739 INFO L87 Difference]: Start difference. First operand has 636 states, 394 states have (on average 1.3781725888324874) internal successors, (543), 416 states have internal predecessors, (543), 186 states have call successors, (186), 55 states have call predecessors, (186), 54 states have return successors, (181), 181 states have call predecessors, (181), 181 states have call successors, (181) Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2022-11-23 14:44:09,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:44:09,549 INFO L93 Difference]: Finished difference Result 1786 states and 2717 transitions. [2022-11-23 14:44:09,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 14:44:09,551 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 136 [2022-11-23 14:44:09,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:44:09,570 INFO L225 Difference]: With dead ends: 1786 [2022-11-23 14:44:09,570 INFO L226 Difference]: Without dead ends: 1158 [2022-11-23 14:44:09,578 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-23 14:44:09,584 INFO L413 NwaCegarLoop]: 1210 mSDtfsCounter, 1760 mSDsluCounter, 2100 mSDsCounter, 0 mSdLazyCounter, 688 mSolverCounterSat, 228 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1760 SdHoareTripleChecker+Valid, 3310 SdHoareTripleChecker+Invalid, 916 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 228 IncrementalHoareTripleChecker+Valid, 688 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-11-23 14:44:09,585 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1760 Valid, 3310 Invalid, 916 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [228 Valid, 688 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-11-23 14:44:09,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1158 states. [2022-11-23 14:44:09,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1158 to 631. [2022-11-23 14:44:09,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 631 states, 396 states have (on average 1.3585858585858586) internal successors, (538), 411 states have internal predecessors, (538), 181 states have call successors, (181), 54 states have call predecessors, (181), 53 states have return successors, (172), 172 states have call predecessors, (172), 172 states have call successors, (172) [2022-11-23 14:44:09,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 631 states to 631 states and 891 transitions. [2022-11-23 14:44:09,812 INFO L78 Accepts]: Start accepts. Automaton has 631 states and 891 transitions. Word has length 136 [2022-11-23 14:44:09,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:44:09,813 INFO L495 AbstractCegarLoop]: Abstraction has 631 states and 891 transitions. [2022-11-23 14:44:09,813 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2022-11-23 14:44:09,813 INFO L276 IsEmpty]: Start isEmpty. Operand 631 states and 891 transitions. [2022-11-23 14:44:09,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2022-11-23 14:44:09,818 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:44:09,819 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:44:09,819 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 14:44:09,819 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:44:09,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:44:09,820 INFO L85 PathProgramCache]: Analyzing trace with hash 1357269061, now seen corresponding path program 1 times [2022-11-23 14:44:09,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:44:09,821 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367156990] [2022-11-23 14:44:09,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:44:09,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:44:09,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:44:10,091 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2022-11-23 14:44:10,091 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:44:10,091 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367156990] [2022-11-23 14:44:10,092 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [367156990] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:44:10,092 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:44:10,092 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 14:44:10,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2013305990] [2022-11-23 14:44:10,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:44:10,095 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 14:44:10,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:44:10,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 14:44:10,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 14:44:10,097 INFO L87 Difference]: Start difference. First operand 631 states and 891 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-23 14:44:10,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:44:10,771 INFO L93 Difference]: Finished difference Result 1426 states and 1995 transitions. [2022-11-23 14:44:10,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 14:44:10,771 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 139 [2022-11-23 14:44:10,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:44:10,783 INFO L225 Difference]: With dead ends: 1426 [2022-11-23 14:44:10,783 INFO L226 Difference]: Without dead ends: 829 [2022-11-23 14:44:10,785 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 14:44:10,791 INFO L413 NwaCegarLoop]: 804 mSDtfsCounter, 307 mSDsluCounter, 700 mSDsCounter, 0 mSdLazyCounter, 242 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 307 SdHoareTripleChecker+Valid, 1504 SdHoareTripleChecker+Invalid, 246 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 242 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-23 14:44:10,791 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [307 Valid, 1504 Invalid, 246 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 242 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-23 14:44:10,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 829 states. [2022-11-23 14:44:10,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 829 to 807. [2022-11-23 14:44:10,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 807 states, 521 states have (on average 1.3685220729366603) internal successors, (713), 538 states have internal predecessors, (713), 210 states have call successors, (210), 76 states have call predecessors, (210), 75 states have return successors, (201), 200 states have call predecessors, (201), 201 states have call successors, (201) [2022-11-23 14:44:10,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 807 states to 807 states and 1124 transitions. [2022-11-23 14:44:10,864 INFO L78 Accepts]: Start accepts. Automaton has 807 states and 1124 transitions. Word has length 139 [2022-11-23 14:44:10,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:44:10,867 INFO L495 AbstractCegarLoop]: Abstraction has 807 states and 1124 transitions. [2022-11-23 14:44:10,868 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-23 14:44:10,868 INFO L276 IsEmpty]: Start isEmpty. Operand 807 states and 1124 transitions. [2022-11-23 14:44:10,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-11-23 14:44:10,876 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:44:10,877 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:44:10,881 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-23 14:44:10,881 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:44:10,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:44:10,883 INFO L85 PathProgramCache]: Analyzing trace with hash 1777363973, now seen corresponding path program 1 times [2022-11-23 14:44:10,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:44:10,883 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [391010568] [2022-11-23 14:44:10,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:44:10,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:44:10,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:44:11,165 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2022-11-23 14:44:11,166 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:44:11,166 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [391010568] [2022-11-23 14:44:11,166 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [391010568] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:44:11,166 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:44:11,166 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 14:44:11,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1257210172] [2022-11-23 14:44:11,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:44:11,167 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 14:44:11,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:44:11,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 14:44:11,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 14:44:11,168 INFO L87 Difference]: Start difference. First operand 807 states and 1124 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-23 14:44:11,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:44:11,990 INFO L93 Difference]: Finished difference Result 2264 states and 3149 transitions. [2022-11-23 14:44:11,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 14:44:11,991 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 141 [2022-11-23 14:44:11,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:44:11,999 INFO L225 Difference]: With dead ends: 2264 [2022-11-23 14:44:11,999 INFO L226 Difference]: Without dead ends: 1491 [2022-11-23 14:44:12,002 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 14:44:12,003 INFO L413 NwaCegarLoop]: 920 mSDtfsCounter, 799 mSDsluCounter, 727 mSDsCounter, 0 mSdLazyCounter, 231 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 799 SdHoareTripleChecker+Valid, 1647 SdHoareTripleChecker+Invalid, 234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 231 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-23 14:44:12,003 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [799 Valid, 1647 Invalid, 234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 231 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-23 14:44:12,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1491 states. [2022-11-23 14:44:12,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1491 to 1485. [2022-11-23 14:44:12,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1485 states, 960 states have (on average 1.3666666666666667) internal successors, (1312), 984 states have internal predecessors, (1312), 380 states have call successors, (380), 145 states have call predecessors, (380), 144 states have return successors, (371), 370 states have call predecessors, (371), 371 states have call successors, (371) [2022-11-23 14:44:12,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1485 states to 1485 states and 2063 transitions. [2022-11-23 14:44:12,100 INFO L78 Accepts]: Start accepts. Automaton has 1485 states and 2063 transitions. Word has length 141 [2022-11-23 14:44:12,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:44:12,100 INFO L495 AbstractCegarLoop]: Abstraction has 1485 states and 2063 transitions. [2022-11-23 14:44:12,101 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-23 14:44:12,101 INFO L276 IsEmpty]: Start isEmpty. Operand 1485 states and 2063 transitions. [2022-11-23 14:44:12,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2022-11-23 14:44:12,103 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:44:12,104 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:44:12,104 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-23 14:44:12,104 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:44:12,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:44:12,105 INFO L85 PathProgramCache]: Analyzing trace with hash -1900658054, now seen corresponding path program 1 times [2022-11-23 14:44:12,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:44:12,105 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537662247] [2022-11-23 14:44:12,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:44:12,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:44:12,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:44:12,339 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2022-11-23 14:44:12,340 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:44:12,340 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [537662247] [2022-11-23 14:44:12,340 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [537662247] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:44:12,340 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:44:12,341 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 14:44:12,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146641653] [2022-11-23 14:44:12,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:44:12,342 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 14:44:12,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:44:12,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 14:44:12,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 14:44:12,343 INFO L87 Difference]: Start difference. First operand 1485 states and 2063 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-23 14:44:12,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:44:12,915 INFO L93 Difference]: Finished difference Result 1487 states and 2064 transitions. [2022-11-23 14:44:12,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 14:44:12,916 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 138 [2022-11-23 14:44:12,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:44:12,924 INFO L225 Difference]: With dead ends: 1487 [2022-11-23 14:44:12,924 INFO L226 Difference]: Without dead ends: 1484 [2022-11-23 14:44:12,926 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 14:44:12,930 INFO L413 NwaCegarLoop]: 770 mSDtfsCounter, 837 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 837 SdHoareTripleChecker+Valid, 770 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-23 14:44:12,933 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [837 Valid, 770 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-23 14:44:12,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1484 states. [2022-11-23 14:44:13,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1484 to 1484. [2022-11-23 14:44:13,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1484 states, 960 states have (on average 1.365625) internal successors, (1311), 983 states have internal predecessors, (1311), 379 states have call successors, (379), 145 states have call predecessors, (379), 144 states have return successors, (371), 370 states have call predecessors, (371), 371 states have call successors, (371) [2022-11-23 14:44:13,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1484 states and 2061 transitions. [2022-11-23 14:44:13,042 INFO L78 Accepts]: Start accepts. Automaton has 1484 states and 2061 transitions. Word has length 138 [2022-11-23 14:44:13,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:44:13,043 INFO L495 AbstractCegarLoop]: Abstraction has 1484 states and 2061 transitions. [2022-11-23 14:44:13,044 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-23 14:44:13,044 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 2061 transitions. [2022-11-23 14:44:13,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2022-11-23 14:44:13,047 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:44:13,047 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:44:13,047 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-23 14:44:13,047 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:44:13,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:44:13,048 INFO L85 PathProgramCache]: Analyzing trace with hash 1208887576, now seen corresponding path program 1 times [2022-11-23 14:44:13,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:44:13,049 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1657727723] [2022-11-23 14:44:13,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:44:13,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:44:13,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:44:13,299 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2022-11-23 14:44:13,299 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:44:13,299 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1657727723] [2022-11-23 14:44:13,299 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1657727723] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:44:13,300 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:44:13,300 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 14:44:13,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933848529] [2022-11-23 14:44:13,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:44:13,301 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 14:44:13,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:44:13,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 14:44:13,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 14:44:13,302 INFO L87 Difference]: Start difference. First operand 1484 states and 2061 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-23 14:44:13,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:44:13,866 INFO L93 Difference]: Finished difference Result 1486 states and 2062 transitions. [2022-11-23 14:44:13,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 14:44:13,867 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 139 [2022-11-23 14:44:13,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:44:13,875 INFO L225 Difference]: With dead ends: 1486 [2022-11-23 14:44:13,875 INFO L226 Difference]: Without dead ends: 1483 [2022-11-23 14:44:13,876 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 14:44:13,877 INFO L413 NwaCegarLoop]: 768 mSDtfsCounter, 834 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 834 SdHoareTripleChecker+Valid, 768 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-23 14:44:13,877 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [834 Valid, 768 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-23 14:44:13,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1483 states. [2022-11-23 14:44:14,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1483 to 1483. [2022-11-23 14:44:14,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1483 states, 960 states have (on average 1.3645833333333333) internal successors, (1310), 982 states have internal predecessors, (1310), 378 states have call successors, (378), 145 states have call predecessors, (378), 144 states have return successors, (371), 370 states have call predecessors, (371), 371 states have call successors, (371) [2022-11-23 14:44:14,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1483 states to 1483 states and 2059 transitions. [2022-11-23 14:44:14,033 INFO L78 Accepts]: Start accepts. Automaton has 1483 states and 2059 transitions. Word has length 139 [2022-11-23 14:44:14,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:44:14,033 INFO L495 AbstractCegarLoop]: Abstraction has 1483 states and 2059 transitions. [2022-11-23 14:44:14,034 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-23 14:44:14,034 INFO L276 IsEmpty]: Start isEmpty. Operand 1483 states and 2059 transitions. [2022-11-23 14:44:14,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2022-11-23 14:44:14,036 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:44:14,037 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:44:14,037 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-23 14:44:14,037 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:44:14,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:44:14,038 INFO L85 PathProgramCache]: Analyzing trace with hash -1179440835, now seen corresponding path program 1 times [2022-11-23 14:44:14,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:44:14,038 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [134264989] [2022-11-23 14:44:14,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:44:14,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:44:14,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:44:14,278 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2022-11-23 14:44:14,278 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:44:14,278 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [134264989] [2022-11-23 14:44:14,279 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [134264989] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:44:14,279 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:44:14,279 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 14:44:14,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [49144339] [2022-11-23 14:44:14,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:44:14,280 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 14:44:14,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:44:14,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 14:44:14,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 14:44:14,281 INFO L87 Difference]: Start difference. First operand 1483 states and 2059 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-23 14:44:14,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:44:14,889 INFO L93 Difference]: Finished difference Result 1663 states and 2237 transitions. [2022-11-23 14:44:14,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 14:44:14,890 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 140 [2022-11-23 14:44:14,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:44:14,898 INFO L225 Difference]: With dead ends: 1663 [2022-11-23 14:44:14,898 INFO L226 Difference]: Without dead ends: 1659 [2022-11-23 14:44:14,899 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 14:44:14,900 INFO L413 NwaCegarLoop]: 784 mSDtfsCounter, 652 mSDsluCounter, 228 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 652 SdHoareTripleChecker+Valid, 1012 SdHoareTripleChecker+Invalid, 157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-23 14:44:14,901 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [652 Valid, 1012 Invalid, 157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-23 14:44:14,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1659 states. [2022-11-23 14:44:15,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1659 to 1655. [2022-11-23 14:44:15,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1655 states, 1052 states have (on average 1.3393536121673004) internal successors, (1409), 1072 states have internal predecessors, (1409), 412 states have call successors, (412), 191 states have call predecessors, (412), 190 states have return successors, (407), 406 states have call predecessors, (407), 407 states have call successors, (407) [2022-11-23 14:44:15,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1655 states to 1655 states and 2228 transitions. [2022-11-23 14:44:15,080 INFO L78 Accepts]: Start accepts. Automaton has 1655 states and 2228 transitions. Word has length 140 [2022-11-23 14:44:15,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:44:15,083 INFO L495 AbstractCegarLoop]: Abstraction has 1655 states and 2228 transitions. [2022-11-23 14:44:15,084 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-23 14:44:15,084 INFO L276 IsEmpty]: Start isEmpty. Operand 1655 states and 2228 transitions. [2022-11-23 14:44:15,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-11-23 14:44:15,086 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:44:15,086 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:44:15,086 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-23 14:44:15,087 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:44:15,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:44:15,087 INFO L85 PathProgramCache]: Analyzing trace with hash 2091794619, now seen corresponding path program 1 times [2022-11-23 14:44:15,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:44:15,088 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2145705702] [2022-11-23 14:44:15,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:44:15,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:44:15,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:44:15,380 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2022-11-23 14:44:15,381 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:44:15,381 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2145705702] [2022-11-23 14:44:15,381 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2145705702] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:44:15,381 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:44:15,381 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 14:44:15,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [571210828] [2022-11-23 14:44:15,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:44:15,382 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 14:44:15,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:44:15,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 14:44:15,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 14:44:15,387 INFO L87 Difference]: Start difference. First operand 1655 states and 2228 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-23 14:44:15,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:44:15,904 INFO L93 Difference]: Finished difference Result 1657 states and 2229 transitions. [2022-11-23 14:44:15,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 14:44:15,904 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 141 [2022-11-23 14:44:15,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:44:15,912 INFO L225 Difference]: With dead ends: 1657 [2022-11-23 14:44:15,912 INFO L226 Difference]: Without dead ends: 1654 [2022-11-23 14:44:15,914 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 14:44:15,914 INFO L413 NwaCegarLoop]: 762 mSDtfsCounter, 826 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 826 SdHoareTripleChecker+Valid, 762 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-23 14:44:15,915 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [826 Valid, 762 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-23 14:44:15,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1654 states. [2022-11-23 14:44:16,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1654 to 1654. [2022-11-23 14:44:16,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1654 states, 1052 states have (on average 1.338403041825095) internal successors, (1408), 1071 states have internal predecessors, (1408), 411 states have call successors, (411), 191 states have call predecessors, (411), 190 states have return successors, (407), 406 states have call predecessors, (407), 407 states have call successors, (407) [2022-11-23 14:44:16,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1654 states to 1654 states and 2226 transitions. [2022-11-23 14:44:16,054 INFO L78 Accepts]: Start accepts. Automaton has 1654 states and 2226 transitions. Word has length 141 [2022-11-23 14:44:16,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:44:16,055 INFO L495 AbstractCegarLoop]: Abstraction has 1654 states and 2226 transitions. [2022-11-23 14:44:16,055 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-23 14:44:16,055 INFO L276 IsEmpty]: Start isEmpty. Operand 1654 states and 2226 transitions. [2022-11-23 14:44:16,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2022-11-23 14:44:16,057 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:44:16,057 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:44:16,058 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-23 14:44:16,058 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:44:16,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:44:16,059 INFO L85 PathProgramCache]: Analyzing trace with hash 420883456, now seen corresponding path program 1 times [2022-11-23 14:44:16,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:44:16,059 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1810267226] [2022-11-23 14:44:16,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:44:16,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:44:16,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:44:16,323 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2022-11-23 14:44:16,324 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:44:16,324 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1810267226] [2022-11-23 14:44:16,324 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1810267226] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:44:16,324 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:44:16,324 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 14:44:16,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1333829597] [2022-11-23 14:44:16,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:44:16,325 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 14:44:16,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:44:16,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 14:44:16,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 14:44:16,326 INFO L87 Difference]: Start difference. First operand 1654 states and 2226 transitions. Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-23 14:44:17,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:44:17,112 INFO L93 Difference]: Finished difference Result 2865 states and 3849 transitions. [2022-11-23 14:44:17,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 14:44:17,113 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 142 [2022-11-23 14:44:17,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:44:17,127 INFO L225 Difference]: With dead ends: 2865 [2022-11-23 14:44:17,127 INFO L226 Difference]: Without dead ends: 2843 [2022-11-23 14:44:17,129 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 14:44:17,130 INFO L413 NwaCegarLoop]: 871 mSDtfsCounter, 579 mSDsluCounter, 700 mSDsCounter, 0 mSdLazyCounter, 231 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 579 SdHoareTripleChecker+Valid, 1571 SdHoareTripleChecker+Invalid, 234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 231 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-23 14:44:17,130 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [579 Valid, 1571 Invalid, 234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 231 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-23 14:44:17,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2843 states. [2022-11-23 14:44:17,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2843 to 2840. [2022-11-23 14:44:17,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2840 states, 1835 states have (on average 1.3455040871934605) internal successors, (2469), 1861 states have internal predecessors, (2469), 667 states have call successors, (667), 342 states have call predecessors, (667), 337 states have return successors, (679), 656 states have call predecessors, (679), 663 states have call successors, (679) [2022-11-23 14:44:17,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2840 states to 2840 states and 3815 transitions. [2022-11-23 14:44:17,385 INFO L78 Accepts]: Start accepts. Automaton has 2840 states and 3815 transitions. Word has length 142 [2022-11-23 14:44:17,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:44:17,385 INFO L495 AbstractCegarLoop]: Abstraction has 2840 states and 3815 transitions. [2022-11-23 14:44:17,386 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-23 14:44:17,386 INFO L276 IsEmpty]: Start isEmpty. Operand 2840 states and 3815 transitions. [2022-11-23 14:44:17,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2022-11-23 14:44:17,391 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:44:17,391 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:44:17,391 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-23 14:44:17,392 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:44:17,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:44:17,392 INFO L85 PathProgramCache]: Analyzing trace with hash -380145395, now seen corresponding path program 1 times [2022-11-23 14:44:17,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:44:17,393 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1737312987] [2022-11-23 14:44:17,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:44:17,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:44:17,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:44:17,702 INFO L134 CoverageAnalysis]: Checked inductivity of 391 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 388 trivial. 0 not checked. [2022-11-23 14:44:17,702 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:44:17,703 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1737312987] [2022-11-23 14:44:17,703 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1737312987] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:44:17,703 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:44:17,703 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 14:44:17,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882418574] [2022-11-23 14:44:17,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:44:17,705 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 14:44:17,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:44:17,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 14:44:17,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 14:44:17,706 INFO L87 Difference]: Start difference. First operand 2840 states and 3815 transitions. Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-23 14:44:18,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:44:18,839 INFO L93 Difference]: Finished difference Result 5654 states and 7595 transitions. [2022-11-23 14:44:18,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 14:44:18,840 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 190 [2022-11-23 14:44:18,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:44:18,858 INFO L225 Difference]: With dead ends: 5654 [2022-11-23 14:44:18,858 INFO L226 Difference]: Without dead ends: 2848 [2022-11-23 14:44:18,868 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 14:44:18,870 INFO L413 NwaCegarLoop]: 765 mSDtfsCounter, 1 mSDsluCounter, 759 mSDsCounter, 0 mSdLazyCounter, 231 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1524 SdHoareTripleChecker+Invalid, 231 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 231 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-23 14:44:18,871 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1524 Invalid, 231 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 231 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-23 14:44:18,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2848 states. [2022-11-23 14:44:19,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2848 to 2842. [2022-11-23 14:44:19,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2842 states, 1837 states have (on average 1.3451279259662494) internal successors, (2471), 1863 states have internal predecessors, (2471), 667 states have call successors, (667), 342 states have call predecessors, (667), 337 states have return successors, (679), 656 states have call predecessors, (679), 663 states have call successors, (679) [2022-11-23 14:44:19,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2842 states to 2842 states and 3817 transitions. [2022-11-23 14:44:19,113 INFO L78 Accepts]: Start accepts. Automaton has 2842 states and 3817 transitions. Word has length 190 [2022-11-23 14:44:19,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:44:19,114 INFO L495 AbstractCegarLoop]: Abstraction has 2842 states and 3817 transitions. [2022-11-23 14:44:19,114 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-23 14:44:19,114 INFO L276 IsEmpty]: Start isEmpty. Operand 2842 states and 3817 transitions. [2022-11-23 14:44:19,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2022-11-23 14:44:19,119 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:44:19,119 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:44:19,120 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-23 14:44:19,120 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:44:19,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:44:19,121 INFO L85 PathProgramCache]: Analyzing trace with hash -2143200981, now seen corresponding path program 1 times [2022-11-23 14:44:19,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:44:19,121 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1495328836] [2022-11-23 14:44:19,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:44:19,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:44:19,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:44:19,537 INFO L134 CoverageAnalysis]: Checked inductivity of 394 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 390 trivial. 0 not checked. [2022-11-23 14:44:19,537 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:44:19,537 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1495328836] [2022-11-23 14:44:19,538 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1495328836] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 14:44:19,538 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [281190741] [2022-11-23 14:44:19,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:44:19,538 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:44:19,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dec2554-2400-47fa-adea-1df0a964789d/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:44:19,546 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dec2554-2400-47fa-adea-1df0a964789d/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 14:44:19,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dec2554-2400-47fa-adea-1df0a964789d/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-23 14:44:20,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:44:20,366 INFO L263 TraceCheckSpWp]: Trace formula consists of 2454 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-23 14:44:20,378 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:44:20,433 INFO L134 CoverageAnalysis]: Checked inductivity of 394 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 391 trivial. 0 not checked. [2022-11-23 14:44:20,434 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 14:44:20,434 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [281190741] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:44:20,434 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-23 14:44:20,434 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-11-23 14:44:20,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [915092748] [2022-11-23 14:44:20,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:44:20,435 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 14:44:20,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:44:20,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 14:44:20,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-23 14:44:20,436 INFO L87 Difference]: Start difference. First operand 2842 states and 3817 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-23 14:44:21,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:44:21,084 INFO L93 Difference]: Finished difference Result 4532 states and 6065 transitions. [2022-11-23 14:44:21,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 14:44:21,085 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 198 [2022-11-23 14:44:21,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:44:21,093 INFO L225 Difference]: With dead ends: 4532 [2022-11-23 14:44:21,094 INFO L226 Difference]: Without dead ends: 1722 [2022-11-23 14:44:21,101 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 198 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-23 14:44:21,102 INFO L413 NwaCegarLoop]: 763 mSDtfsCounter, 9 mSDsluCounter, 758 mSDsCounter, 0 mSdLazyCounter, 232 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 1521 SdHoareTripleChecker+Invalid, 232 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 232 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-23 14:44:21,102 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 1521 Invalid, 232 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 232 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-23 14:44:21,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1722 states. [2022-11-23 14:44:21,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1722 to 1706. [2022-11-23 14:44:21,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1706 states, 1105 states have (on average 1.3429864253393664) internal successors, (1484), 1122 states have internal predecessors, (1484), 394 states have call successors, (394), 209 states have call predecessors, (394), 206 states have return successors, (398), 386 states have call predecessors, (398), 390 states have call successors, (398) [2022-11-23 14:44:21,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1706 states to 1706 states and 2276 transitions. [2022-11-23 14:44:21,251 INFO L78 Accepts]: Start accepts. Automaton has 1706 states and 2276 transitions. Word has length 198 [2022-11-23 14:44:21,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:44:21,252 INFO L495 AbstractCegarLoop]: Abstraction has 1706 states and 2276 transitions. [2022-11-23 14:44:21,253 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-23 14:44:21,253 INFO L276 IsEmpty]: Start isEmpty. Operand 1706 states and 2276 transitions. [2022-11-23 14:44:21,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2022-11-23 14:44:21,257 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:44:21,258 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:44:21,270 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dec2554-2400-47fa-adea-1df0a964789d/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-23 14:44:21,470 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dec2554-2400-47fa-adea-1df0a964789d/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-23 14:44:21,470 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:44:21,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:44:21,471 INFO L85 PathProgramCache]: Analyzing trace with hash -848666624, now seen corresponding path program 1 times [2022-11-23 14:44:21,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:44:21,471 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1247426904] [2022-11-23 14:44:21,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:44:21,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:44:21,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:44:21,883 INFO L134 CoverageAnalysis]: Checked inductivity of 474 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 470 trivial. 0 not checked. [2022-11-23 14:44:21,883 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:44:21,883 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1247426904] [2022-11-23 14:44:21,883 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1247426904] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 14:44:21,884 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [771069151] [2022-11-23 14:44:21,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:44:21,884 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:44:21,884 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dec2554-2400-47fa-adea-1df0a964789d/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:44:21,887 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dec2554-2400-47fa-adea-1df0a964789d/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 14:44:21,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dec2554-2400-47fa-adea-1df0a964789d/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-23 14:44:22,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:44:22,718 INFO L263 TraceCheckSpWp]: Trace formula consists of 2530 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-23 14:44:22,725 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:44:22,797 INFO L134 CoverageAnalysis]: Checked inductivity of 474 backedges. 183 proven. 1 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2022-11-23 14:44:22,797 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 14:44:23,040 INFO L134 CoverageAnalysis]: Checked inductivity of 474 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 470 trivial. 0 not checked. [2022-11-23 14:44:23,040 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [771069151] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 14:44:23,040 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [394278500] [2022-11-23 14:44:23,066 INFO L159 IcfgInterpreter]: Started Sifa with 101 locations of interest [2022-11-23 14:44:23,066 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 14:44:23,070 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 14:44:23,076 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 14:44:23,076 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 14:44:24,646 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 131 treesize of output 109 [2022-11-23 14:44:25,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:44:25,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:44:25,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:44:25,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:44:25,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:44:25,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:44:25,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:44:25,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:44:25,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:44:25,502 INFO L217 Elim1Store]: Index analysis took 634 ms [2022-11-23 14:44:59,762 WARN L233 SmtUtils]: Spent 34.19s on a formula simplification. DAG size of input: 1680 DAG size of output: 674 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-23 14:44:59,770 INFO L321 Elim1Store]: treesize reduction 9601, result has 14.0 percent of original size [2022-11-23 14:44:59,780 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 46 select indices, 46 select index equivalence classes, 1053 disjoint index pairs (out of 1035 index pairs), introduced 46 new quantified variables, introduced 53 case distinctions, treesize of input 261 treesize of output 1711 [2022-11-23 14:45:01,012 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 125 treesize of output 103 [2022-11-23 14:45:01,511 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 14 select indices, 14 select index equivalence classes, 105 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 456 treesize of output 401 [2022-11-23 14:45:02,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:45:03,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:45:04,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:45:04,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:45:05,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:45:05,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:45:05,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:45:06,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:45:06,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:45:06,440 INFO L217 Elim1Store]: Index analysis took 3958 ms [2022-11-23 14:46:07,480 WARN L233 SmtUtils]: Spent 1.02m on a formula simplification. DAG size of input: 2520 DAG size of output: 1018 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-23 14:46:07,484 INFO L321 Elim1Store]: treesize reduction 12806, result has 12.8 percent of original size [2022-11-23 14:46:07,486 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 56 select indices, 56 select index equivalence classes, 1099 disjoint index pairs (out of 1540 index pairs), introduced 56 new quantified variables, introduced 502 case distinctions, treesize of input 455 treesize of output 2213 [2022-11-23 14:46:18,447 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 14:46:18,452 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 14:46:18,462 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 14:46:22,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:46:22,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:46:22,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:46:22,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:46:22,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:46:22,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:46:22,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:46:22,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:46:22,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:46:22,536 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 55 select indices, 55 select index equivalence classes, 1494 disjoint index pairs (out of 1485 index pairs), introduced 55 new quantified variables, introduced 0 case distinctions, treesize of input 276 treesize of output 166 [2022-11-23 14:46:22,927 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 18 select indices, 18 select index equivalence classes, 153 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 0 case distinctions, treesize of input 737 treesize of output 551 [2022-11-23 14:46:23,064 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2022-11-23 14:46:23,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:46:23,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:46:23,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:46:23,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:46:23,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:46:23,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:46:23,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:46:23,229 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 25 [2022-11-23 14:46:23,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:46:23,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:46:23,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:46:23,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:46:23,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:46:23,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:46:23,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:46:23,383 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 41 [2022-11-23 14:46:23,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:46:23,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:46:23,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:46:23,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:46:23,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:46:23,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:46:23,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:46:23,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:46:23,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:46:23,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:46:23,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:46:23,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:46:23,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:46:23,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:46:23,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:46:23,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:46:23,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:46:23,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:46:23,590 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 19 select indices, 19 select index equivalence classes, 171 disjoint index pairs (out of 171 index pairs), introduced 19 new quantified variables, introduced 0 case distinctions, treesize of input 132 treesize of output 58 [2022-11-23 14:46:24,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:46:24,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:46:24,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:46:24,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:46:24,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:46:24,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:46:24,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:46:24,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:46:24,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:46:24,221 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 56 select indices, 56 select index equivalence classes, 1540 disjoint index pairs (out of 1540 index pairs), introduced 56 new quantified variables, introduced 0 case distinctions, treesize of input 281 treesize of output 169 [2022-11-23 14:46:34,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:46:34,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:46:34,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:46:34,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:46:34,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:46:34,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:46:34,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:46:34,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:46:34,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:46:34,899 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 55 select indices, 55 select index equivalence classes, 1494 disjoint index pairs (out of 1485 index pairs), introduced 55 new quantified variables, introduced 0 case distinctions, treesize of input 276 treesize of output 166 [2022-11-23 14:46:35,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:46:35,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:46:35,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:46:35,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:46:35,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:46:35,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:46:35,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:46:35,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:46:35,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:46:35,537 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 56 select indices, 56 select index equivalence classes, 1540 disjoint index pairs (out of 1540 index pairs), introduced 56 new quantified variables, introduced 0 case distinctions, treesize of input 281 treesize of output 169 [2022-11-23 14:46:35,935 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 18 select indices, 18 select index equivalence classes, 153 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 0 case distinctions, treesize of input 737 treesize of output 551 [2022-11-23 14:46:36,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:46:36,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:46:36,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:46:36,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:46:36,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:46:36,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:46:36,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:46:36,108 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 25 [2022-11-23 14:46:36,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:46:36,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:46:36,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:46:36,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:46:36,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:46:36,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:46:36,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:46:36,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:46:36,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:46:36,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:46:36,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:46:36,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:46:36,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:46:36,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:46:36,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:46:36,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:46:36,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:46:36,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:46:36,298 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 19 select indices, 19 select index equivalence classes, 171 disjoint index pairs (out of 171 index pairs), introduced 19 new quantified variables, introduced 0 case distinctions, treesize of input 132 treesize of output 58 [2022-11-23 14:46:36,425 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2022-11-23 14:46:36,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:46:36,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:46:36,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:46:36,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:46:36,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:46:36,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:46:36,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:46:36,546 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 41 [2022-11-23 14:46:45,271 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 14:46:45,695 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 14:46:45,847 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 14:46:49,971 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 14:46:50,543 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 14:46:50,752 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 14:46:59,660 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 14:47:00,218 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 14:47:00,310 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 14:47:04,048 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 14:47:04,793 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 14:47:04,924 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 14:48:02,021 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 14:48:02,637 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 14:48:03,117 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 14:48:04,322 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 14:48:04,362 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 14:48:04,395 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 14:49:30,548 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 14:49:30,970 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 14:49:31,268 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 14:49:32,903 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 14:49:32,942 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 14:49:32,969 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 14:49:42,261 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 14:49:42,424 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 14:49:42,582 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 14:49:47,084 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 14:49:47,746 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 14:49:47,917 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 14:49:56,408 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 14:49:57,098 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 14:49:57,290 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 14:50:01,370 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 14:50:02,096 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 14:50:02,299 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 14:50:52,576 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_memset with input of size 782 for LOIs [2022-11-23 14:50:54,115 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_init_zalloc with input of size 2107 for LOIs [2022-11-23 14:51:06,352 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 14:51:10,164 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 14:51:19,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:19,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:19,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:19,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:19,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:19,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:19,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:19,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:19,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:19,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:19,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:19,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:19,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:19,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:19,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:19,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:19,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:19,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:19,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:19,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:19,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:19,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:19,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:19,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:19,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:19,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:19,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:19,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:19,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:19,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:19,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:19,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:19,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:19,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:19,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:19,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:19,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:19,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:19,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:19,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:19,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:19,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:19,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:19,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:19,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:19,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:19,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:19,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:19,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:19,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:19,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:19,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:19,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:19,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:19,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:19,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:19,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:19,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:19,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:19,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:19,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:19,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:19,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:19,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:19,353 INFO L217 Elim1Store]: Index analysis took 163 ms [2022-11-23 14:51:19,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:19,587 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 55 select indices, 55 select index equivalence classes, 1551 disjoint index pairs (out of 1485 index pairs), introduced 55 new quantified variables, introduced 0 case distinctions, treesize of input 284 treesize of output 1 [2022-11-23 14:51:37,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:37,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:37,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:37,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:37,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:37,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:37,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:37,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:37,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:37,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:37,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:37,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:37,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:37,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:37,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:37,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:37,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:37,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:37,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:37,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:37,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:37,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:37,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:37,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:37,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:37,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:37,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:37,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:37,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:37,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:37,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:37,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:37,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:37,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:37,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:37,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:37,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:37,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:37,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:37,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:37,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:37,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:37,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:37,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:37,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:37,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:37,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:37,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:37,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:37,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:37,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:37,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:37,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:37,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:37,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:37,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:37,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:37,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:37,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:37,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:37,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:37,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:37,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:37,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:37,721 INFO L217 Elim1Store]: Index analysis took 165 ms [2022-11-23 14:51:37,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:37,943 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 55 select indices, 55 select index equivalence classes, 1551 disjoint index pairs (out of 1485 index pairs), introduced 55 new quantified variables, introduced 0 case distinctions, treesize of input 284 treesize of output 1 [2022-11-23 14:51:56,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:56,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:56,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:56,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:56,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:56,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:56,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:56,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:56,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:56,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:56,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:56,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:56,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:56,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:56,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:56,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:56,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:56,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:56,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:56,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:56,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:56,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:56,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:56,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:56,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:56,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:56,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:56,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:56,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:56,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:56,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:56,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:56,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:56,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:56,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:56,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:56,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:56,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:56,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:56,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:56,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:56,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:56,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:56,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:56,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:56,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:56,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:56,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:56,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:56,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:56,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:56,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:56,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:56,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:56,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:56,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:56,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:56,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:56,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:56,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:56,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:56,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:56,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:56,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:56,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:51:56,927 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 55 select indices, 55 select index equivalence classes, 1551 disjoint index pairs (out of 1485 index pairs), introduced 55 new quantified variables, introduced 0 case distinctions, treesize of input 284 treesize of output 1 [2022-11-23 14:51:56,983 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.meminit with input of size 205 for LOIs [2022-11-23 14:51:57,030 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 103 for LOIs [2022-11-23 14:51:57,050 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-23 14:52:55,918 WARN L233 SmtUtils]: Spent 58.69s on a formula simplification. DAG size of input: 2023 DAG size of output: 1175 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 14:53:54,279 WARN L233 SmtUtils]: Spent 50.74s on a formula simplification. DAG size of input: 1561 DAG size of output: 1532 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 14:54:45,953 WARN L233 SmtUtils]: Spent 51.03s on a formula simplification. DAG size of input: 1564 DAG size of output: 1535 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 14:55:38,369 WARN L233 SmtUtils]: Spent 51.67s on a formula simplification. DAG size of input: 1579 DAG size of output: 1547 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 14:56:31,076 WARN L233 SmtUtils]: Spent 51.94s on a formula simplification. DAG size of input: 1583 DAG size of output: 1551 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 14:57:52,835 WARN L233 SmtUtils]: Spent 1.35m on a formula simplification. DAG size of input: 1714 DAG size of output: 1573 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)