./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.unsafe_arbitrated_fifos_n2d8w8.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78aeab62-3db9-4c39-b865-affc36f4020e/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78aeab62-3db9-4c39-b865-affc36f4020e/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78aeab62-3db9-4c39-b865-affc36f4020e/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78aeab62-3db9-4c39-b865-affc36f4020e/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.unsafe_arbitrated_fifos_n2d8w8.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78aeab62-3db9-4c39-b865-affc36f4020e/bin/utaipan-g80aRyZoba/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78aeab62-3db9-4c39-b865-affc36f4020e/bin/utaipan-g80aRyZoba --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 8d7ac4e991594d98a551c4a6bcf4f5a84930a621689511bd6ecf242e7dc37495 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-22 01:42:45,501 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 01:42:45,503 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 01:42:45,536 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 01:42:45,539 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 01:42:45,543 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 01:42:45,546 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 01:42:45,552 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 01:42:45,555 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 01:42:45,560 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 01:42:45,561 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 01:42:45,563 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 01:42:45,564 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 01:42:45,567 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 01:42:45,568 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 01:42:45,569 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 01:42:45,570 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 01:42:45,571 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 01:42:45,572 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 01:42:45,574 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 01:42:45,575 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 01:42:45,577 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 01:42:45,578 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 01:42:45,579 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 01:42:45,582 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 01:42:45,583 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 01:42:45,583 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 01:42:45,584 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 01:42:45,585 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 01:42:45,586 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 01:42:45,586 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 01:42:45,587 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 01:42:45,588 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 01:42:45,589 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 01:42:45,590 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 01:42:45,590 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 01:42:45,591 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 01:42:45,592 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 01:42:45,592 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 01:42:45,593 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 01:42:45,594 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 01:42:45,595 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78aeab62-3db9-4c39-b865-affc36f4020e/bin/utaipan-g80aRyZoba/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-22 01:42:45,617 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 01:42:45,618 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 01:42:45,618 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 01:42:45,618 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 01:42:45,619 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 01:42:45,619 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 01:42:45,620 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 01:42:45,620 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 01:42:45,620 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 01:42:45,620 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 01:42:45,621 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 01:42:45,621 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 01:42:45,621 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 01:42:45,621 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 01:42:45,622 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 01:42:45,622 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 01:42:45,622 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 01:42:45,622 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 01:42:45,623 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 01:42:45,624 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 01:42:45,624 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 01:42:45,624 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 01:42:45,624 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 01:42:45,624 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 01:42:45,625 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 01:42:45,625 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 01:42:45,625 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 01:42:45,625 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 01:42:45,626 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 01:42:45,626 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:42:45,626 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 01:42:45,627 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 01:42:45,627 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 01:42:45,627 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 01:42:45,627 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 01:42:45,627 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 01:42:45,628 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 01:42:45,628 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 01:42:45,628 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_78aeab62-3db9-4c39-b865-affc36f4020e/bin/utaipan-g80aRyZoba/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78aeab62-3db9-4c39-b865-affc36f4020e/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8d7ac4e991594d98a551c4a6bcf4f5a84930a621689511bd6ecf242e7dc37495 [2022-11-22 01:42:45,870 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 01:42:45,913 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 01:42:45,916 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 01:42:45,917 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 01:42:45,918 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 01:42:45,919 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78aeab62-3db9-4c39-b865-affc36f4020e/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.unsafe_arbitrated_fifos_n2d8w8.c [2022-11-22 01:42:49,100 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 01:42:49,399 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 01:42:49,400 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78aeab62-3db9-4c39-b865-affc36f4020e/sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.unsafe_arbitrated_fifos_n2d8w8.c [2022-11-22 01:42:49,415 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78aeab62-3db9-4c39-b865-affc36f4020e/bin/utaipan-g80aRyZoba/data/e22099c7f/89603005733c4fdf9bd6862b3cb995ec/FLAGa6c6f3c64 [2022-11-22 01:42:49,430 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78aeab62-3db9-4c39-b865-affc36f4020e/bin/utaipan-g80aRyZoba/data/e22099c7f/89603005733c4fdf9bd6862b3cb995ec [2022-11-22 01:42:49,433 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 01:42:49,435 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 01:42:49,436 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 01:42:49,437 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 01:42:49,440 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 01:42:49,441 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:42:49" (1/1) ... [2022-11-22 01:42:49,443 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bdc54d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:42:49, skipping insertion in model container [2022-11-22 01:42:49,443 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:42:49" (1/1) ... [2022-11-22 01:42:49,451 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 01:42:49,492 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 01:42:49,663 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_78aeab62-3db9-4c39-b865-affc36f4020e/sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.unsafe_arbitrated_fifos_n2d8w8.c[1107,1120] [2022-11-22 01:42:49,889 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:42:49,898 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 01:42:49,914 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_78aeab62-3db9-4c39-b865-affc36f4020e/sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.unsafe_arbitrated_fifos_n2d8w8.c[1107,1120] [2022-11-22 01:42:50,138 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:42:50,161 INFO L208 MainTranslator]: Completed translation [2022-11-22 01:42:50,163 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:42:50 WrapperNode [2022-11-22 01:42:50,163 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 01:42:50,164 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 01:42:50,165 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 01:42:50,165 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 01:42:50,173 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:42:50" (1/1) ... [2022-11-22 01:42:50,219 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:42:50" (1/1) ... [2022-11-22 01:42:50,310 INFO L138 Inliner]: procedures = 15, calls = 36, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 921 [2022-11-22 01:42:50,323 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 01:42:50,323 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 01:42:50,324 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 01:42:50,324 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 01:42:50,333 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:42:50" (1/1) ... [2022-11-22 01:42:50,333 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:42:50" (1/1) ... [2022-11-22 01:42:50,344 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:42:50" (1/1) ... [2022-11-22 01:42:50,344 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:42:50" (1/1) ... [2022-11-22 01:42:50,375 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:42:50" (1/1) ... [2022-11-22 01:42:50,381 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:42:50" (1/1) ... [2022-11-22 01:42:50,388 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:42:50" (1/1) ... [2022-11-22 01:42:50,394 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:42:50" (1/1) ... [2022-11-22 01:42:50,408 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 01:42:50,409 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 01:42:50,410 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 01:42:50,410 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 01:42:50,411 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:42:50" (1/1) ... [2022-11-22 01:42:50,435 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:42:50,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78aeab62-3db9-4c39-b865-affc36f4020e/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:42:50,493 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78aeab62-3db9-4c39-b865-affc36f4020e/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 01:42:50,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78aeab62-3db9-4c39-b865-affc36f4020e/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 01:42:50,548 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-22 01:42:50,548 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-22 01:42:50,548 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-22 01:42:50,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-22 01:42:50,548 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 01:42:50,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 01:42:50,548 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-22 01:42:50,549 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-22 01:42:50,855 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 01:42:50,857 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 01:42:56,039 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 01:42:56,226 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 01:42:56,227 INFO L300 CfgBuilder]: Removed 7 assume(true) statements. [2022-11-22 01:42:56,229 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:42:56 BoogieIcfgContainer [2022-11-22 01:42:56,230 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 01:42:56,234 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 01:42:56,234 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 01:42:56,238 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 01:42:56,238 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 01:42:49" (1/3) ... [2022-11-22 01:42:56,240 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6afac9d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:42:56, skipping insertion in model container [2022-11-22 01:42:56,240 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:42:50" (2/3) ... [2022-11-22 01:42:56,241 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6afac9d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:42:56, skipping insertion in model container [2022-11-22 01:42:56,242 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:42:56" (3/3) ... [2022-11-22 01:42:56,243 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.unsafe_arbitrated_fifos_n2d8w8.c [2022-11-22 01:42:56,263 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 01:42:56,263 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-22 01:42:56,321 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-22 01:42:56,329 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;@355974ea, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-22 01:42:56,330 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-22 01:42:56,335 INFO L276 IsEmpty]: Start isEmpty. Operand has 25 states, 17 states have (on average 1.5294117647058822) internal successors, (26), 18 states have internal predecessors, (26), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-22 01:42:56,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-22 01:42:56,346 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:42:56,347 INFO L195 NwaCegarLoop]: trace histogram [5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:42:56,348 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:42:56,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:42:56,354 INFO L85 PathProgramCache]: Analyzing trace with hash -860056943, now seen corresponding path program 1 times [2022-11-22 01:42:56,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:42:56,362 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [451255863] [2022-11-22 01:42:56,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:42:56,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:42:56,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:42:57,284 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-22 01:42:57,284 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:42:57,285 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [451255863] [2022-11-22 01:42:57,285 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [451255863] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:42:57,286 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:42:57,286 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 01:42:57,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647478570] [2022-11-22 01:42:57,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:42:57,294 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:42:57,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:42:57,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:42:57,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:42:57,357 INFO L87 Difference]: Start difference. First operand has 25 states, 17 states have (on average 1.5294117647058822) internal successors, (26), 18 states have internal predecessors, (26), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-11-22 01:42:57,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:42:57,582 INFO L93 Difference]: Finished difference Result 48 states and 71 transitions. [2022-11-22 01:42:57,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:42:57,585 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 26 [2022-11-22 01:42:57,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:42:57,592 INFO L225 Difference]: With dead ends: 48 [2022-11-22 01:42:57,592 INFO L226 Difference]: Without dead ends: 25 [2022-11-22 01:42:57,595 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:42:57,598 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 0 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-22 01:42:57,601 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 40 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-22 01:42:57,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2022-11-22 01:42:57,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2022-11-22 01:42:57,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 18 states have (on average 1.3888888888888888) internal successors, (25), 18 states have internal predecessors, (25), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-22 01:42:57,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 35 transitions. [2022-11-22 01:42:57,648 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 35 transitions. Word has length 26 [2022-11-22 01:42:57,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:42:57,649 INFO L495 AbstractCegarLoop]: Abstraction has 25 states and 35 transitions. [2022-11-22 01:42:57,649 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-11-22 01:42:57,650 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 35 transitions. [2022-11-22 01:42:57,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-22 01:42:57,651 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:42:57,652 INFO L195 NwaCegarLoop]: trace histogram [5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:42:57,652 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-22 01:42:57,653 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:42:57,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:42:57,654 INFO L85 PathProgramCache]: Analyzing trace with hash 400754470, now seen corresponding path program 1 times [2022-11-22 01:42:57,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:42:57,655 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1412701621] [2022-11-22 01:42:57,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:42:57,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:42:57,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:42:58,329 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-22 01:42:58,329 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:42:58,330 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1412701621] [2022-11-22 01:42:58,331 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1412701621] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 01:42:58,331 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [413274049] [2022-11-22 01:42:58,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:42:58,332 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:42:58,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78aeab62-3db9-4c39-b865-affc36f4020e/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:42:58,339 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78aeab62-3db9-4c39-b865-affc36f4020e/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 01:42:58,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78aeab62-3db9-4c39-b865-affc36f4020e/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-22 01:42:58,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:42:58,768 INFO L263 TraceCheckSpWp]: Trace formula consists of 655 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-22 01:42:58,776 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:42:58,872 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-22 01:42:58,881 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 01:42:58,939 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-11-22 01:42:58,940 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [413274049] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-22 01:42:58,940 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-22 01:42:58,940 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4, 4] total 6 [2022-11-22 01:42:58,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [561205640] [2022-11-22 01:42:58,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:42:58,942 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:42:58,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:42:58,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:42:58,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-22 01:42:58,943 INFO L87 Difference]: Start difference. First operand 25 states and 35 transitions. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-11-22 01:43:00,605 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:43:00,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:43:00,644 INFO L93 Difference]: Finished difference Result 47 states and 66 transitions. [2022-11-22 01:43:00,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:43:00,644 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 27 [2022-11-22 01:43:00,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:43:00,645 INFO L225 Difference]: With dead ends: 47 [2022-11-22 01:43:00,645 INFO L226 Difference]: Without dead ends: 26 [2022-11-22 01:43:00,646 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 51 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-22 01:43:00,648 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 0 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-11-22 01:43:00,648 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 40 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-11-22 01:43:00,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2022-11-22 01:43:00,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2022-11-22 01:43:00,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 19 states have (on average 1.368421052631579) internal successors, (26), 19 states have internal predecessors, (26), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-22 01:43:00,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 36 transitions. [2022-11-22 01:43:00,654 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 36 transitions. Word has length 27 [2022-11-22 01:43:00,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:43:00,654 INFO L495 AbstractCegarLoop]: Abstraction has 26 states and 36 transitions. [2022-11-22 01:43:00,657 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-11-22 01:43:00,657 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 36 transitions. [2022-11-22 01:43:00,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-22 01:43:00,658 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:43:00,659 INFO L195 NwaCegarLoop]: trace histogram [5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:43:00,673 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78aeab62-3db9-4c39-b865-affc36f4020e/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-22 01:43:00,867 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78aeab62-3db9-4c39-b865-affc36f4020e/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:43:00,868 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:43:00,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:43:00,869 INFO L85 PathProgramCache]: Analyzing trace with hash -61497197, now seen corresponding path program 1 times [2022-11-22 01:43:00,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:43:00,869 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [12723843] [2022-11-22 01:43:00,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:43:00,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:43:00,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:43:01,285 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-11-22 01:43:01,286 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:43:01,291 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [12723843] [2022-11-22 01:43:01,292 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [12723843] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 01:43:01,292 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1616564601] [2022-11-22 01:43:01,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:43:01,293 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:43:01,293 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78aeab62-3db9-4c39-b865-affc36f4020e/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:43:01,294 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78aeab62-3db9-4c39-b865-affc36f4020e/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 01:43:01,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78aeab62-3db9-4c39-b865-affc36f4020e/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-22 01:43:02,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:43:02,256 INFO L263 TraceCheckSpWp]: Trace formula consists of 662 conjuncts, 15 conjunts are in the unsatisfiable core [2022-11-22 01:43:02,261 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:43:02,322 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-11-22 01:43:02,322 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 01:43:02,377 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-11-22 01:43:02,377 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1616564601] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 01:43:02,378 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1970858762] [2022-11-22 01:43:02,401 INFO L159 IcfgInterpreter]: Started Sifa with 19 locations of interest [2022-11-22 01:43:02,401 INFO L166 IcfgInterpreter]: Building call graph [2022-11-22 01:43:02,405 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-22 01:43:02,411 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-22 01:43:02,412 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-22 01:43:02,534 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 6 treesize of output 5 [2022-11-22 01:43:02,560 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 17 [2022-11-22 01:43:02,609 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 35 treesize of output 31 [2022-11-22 01:43:02,914 INFO L321 Elim1Store]: treesize reduction 41, result has 26.8 percent of original size [2022-11-22 01:43:02,915 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 316 treesize of output 323 [2022-11-22 01:43:03,514 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 41 treesize of output 37 [2022-11-22 01:43:03,745 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 [2022-11-22 01:43:03,780 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 6 treesize of output 5 [2022-11-22 01:43:04,106 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 41 treesize of output 37 [2022-11-22 01:43:04,230 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 41 treesize of output 37 [2022-11-22 01:43:08,755 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 10 for LOIs [2022-11-22 01:43:08,757 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-22 01:43:21,234 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '590#(and (<= 0 |ULTIMATE.start_main_~var_99~0#1|) (<= 1 |ULTIMATE.start_main_~init_110_arg_1~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_40~0#1| 127) (<= 2 |ULTIMATE.start_main_~msb_SORT_5~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_36~0#1| 31) (<= |ULTIMATE.start_main_~msb_SORT_5~0#1| 2) (<= 0 |ULTIMATE.start_main_~var_23~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_3~0#1| 32768) (<= |ULTIMATE.start_main_~var_100_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_111_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_104~0#1| 1) (<= 1 |ULTIMATE.start_main_~var_107~0#1|) (<= 0 |#NULL.base|) (<= |ULTIMATE.start_main_~var_79~0#1| 1) (<= 31 |ULTIMATE.start_main_~mask_SORT_36~0#1|) (<= |ULTIMATE.start_main_~var_118_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_57~0#1|) (<= |ULTIMATE.start_main_~var_107~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_142_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_52~0#1|) (<= |ULTIMATE.start_main_~var_50_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~msb_SORT_11~0#1| 128) (<= |ULTIMATE.start_main_~var_108~0#1| 0) (<= |ULTIMATE.start_main_~var_228~0#1| 2) (<= |ULTIMATE.start_main_~var_140_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_105_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_181~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_75~0#1|) (<= 0 |ULTIMATE.start_main_~i~1#1|) (<= |ULTIMATE.start_main_~var_99~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_21_arg_0~0#1.base|) (<= |ULTIMATE.start_main_~msb_SORT_227~0#1| 2147483648) (<= |ULTIMATE.start_main_~#state_14~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_142_arg_0~0#1| 1) (<= 16 |ULTIMATE.start_main_~msb_SORT_36~0#1|) (<= 0 |ULTIMATE.start_main_~var_88~0#1|) (<= |ULTIMATE.start_main_~var_105_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~var_115_arg_0~0#1| 1) (<= 128 |ULTIMATE.start_main_~msb_SORT_11~0#1|) (<= |ULTIMATE.start_main_~var_76_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~var_57~0#1| 1) (<= 1 |ULTIMATE.start_main_~var_140_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_89_arg_1~0#1|) (<= 4 |ULTIMATE.start_main_~msb_SORT_12~0#1|) (<= |ULTIMATE.start_main_~var_98_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_137_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_30_arg_1~0#1|) (<= |ULTIMATE.start_main_~#state_44~0#1.offset| 0) (<= 127 |ULTIMATE.start_main_~mask_SORT_40~0#1|) (<= 1 |ULTIMATE.start_main_~var_130_arg_0~0#1|) (<= (+ |ULTIMATE.start_main_~mask_SORT_227~0#1| 1) 0) (<= |ULTIMATE.start_main_~var_58_arg_1~0#1| 1) (<= |#NULL.offset| 0) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= |ULTIMATE.start_main_~var_111_arg_2~0#1| 1) (<= |ULTIMATE.start_main_~var_29~0#1| 1) (<= |ULTIMATE.start_main_~var_80_arg_1~0#1| 1) (<= 32 |ULTIMATE.start_main_~msb_SORT_38~0#1|) (<= |ULTIMATE.start_main_~var_141_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~#state_14~0#1.base|) (<= 64 |ULTIMATE.start_main_~msb_SORT_40~0#1|) (<= |ULTIMATE.start_main_~state_109~0#1| 1) (<= 2 |ULTIMATE.start_main_~var_228~0#1|) (<= 8 |ULTIMATE.start_main_~var_27~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_12~0#1| 4) (<= |ULTIMATE.start_main_~var_75~0#1| 1) (<= 1 |ULTIMATE.start_main_~var_124_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_76_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_181~0#1|) (<= 1 |ULTIMATE.start_main_~mask_SORT_1~0#1|) (<= 15 |ULTIMATE.start_main_~mask_SORT_15~0#1|) (<= |ULTIMATE.start_main_~var_89_arg_1~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_140~0#1|) (<= |ULTIMATE.start_main_~var_80_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~init_110_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~msb_SORT_40~0#1| 64) (<= |ULTIMATE.start_main_~var_27~0#1| 8) (<= 0 |ULTIMATE.start_main_~var_29~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_5~0#1| 3) (<= |ULTIMATE.start_main_~mask_SORT_15~0#1| 15) (<= |ULTIMATE.start_main_~var_97~0#1| 0) (<= |ULTIMATE.start_main_~mask_SORT_38~0#1| 63) (<= 1 |ULTIMATE.start_main_~var_141_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_100_arg_0~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_38~0#1| 32) (<= 0 (+ |ULTIMATE.start_main_~mask_SORT_227~0#1| 1)) (<= |ULTIMATE.start_main_~var_24_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_104~0#1|) (<= 0 |ULTIMATE.start_main_~var_24_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~var_30_arg_1~0#1| 1) (<= 63 |ULTIMATE.start_main_~mask_SORT_38~0#1|) (<= 0 |ULTIMATE.start_main_~var_76_arg_0~0#1|) (<= 7 |ULTIMATE.start_main_~mask_SORT_12~0#1|) (<= 0 |ULTIMATE.start_main_~var_80_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_111_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_124_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_98_arg_1~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_36~0#1| 16) (<= 255 |ULTIMATE.start_main_~mask_SORT_11~0#1|) (<= 2147483648 |ULTIMATE.start_main_~msb_SORT_227~0#1|) (<= 255 |ULTIMATE.start_main_~var_408~0#1|) (<= |ULTIMATE.start_main_~var_23~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_50_arg_0~0#1.offset|) (<= |ULTIMATE.start_main_~var_130_arg_0~0#1| 1) (<= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 1) (<= |#NULL.base| 0) (<= 0 |ULTIMATE.start_main_~var_80_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_21_arg_0~0#1.offset| 0) (<= 1 |ULTIMATE.start_main_~state_109~0#1|) (<= |ULTIMATE.start_main_~var_140~0#1| 1) (<= |ULTIMATE.start_main_~var_121_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_52~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_111_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_115_arg_0~0#1|) (<= 1 |ULTIMATE.start_main_~var_111_arg_0~0#1|) (<= 65535 |ULTIMATE.start_main_~mask_SORT_3~0#1|) (<= 0 |ULTIMATE.start_main_~var_97~0#1|) (<= 1 |ULTIMATE.start_main_~msb_SORT_1~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_11~0#1| 255) (<= 0 |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (<= 0 |ULTIMATE.start_main_~var_50_arg_0~0#1.base|) (<= 1 |ULTIMATE.start_main_~var_137_arg_0~0#1|) (<= 1 |ULTIMATE.start_main_~var_118_arg_0~0#1|) (<= 32768 |ULTIMATE.start_main_~msb_SORT_3~0#1|) (<= 0 |ULTIMATE.start_main_~#state_44~0#1.offset|) (<= 3 |ULTIMATE.start_main_~mask_SORT_5~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_15~0#1| 8) (<= 0 |ULTIMATE.start_main_~var_108~0#1|) (<= 0 |#NULL.offset|) (<= 0 |ULTIMATE.start_main_~var_79~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_1~0#1| 1) (<= |ULTIMATE.start_main_~var_408~0#1| 255) (<= 8 |ULTIMATE.start_main_~msb_SORT_15~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_3~0#1| 65535) (<= 0 |ULTIMATE.start_main_~#state_14~0#1.offset|) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_main_~var_76_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_58_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_53_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_21_arg_0~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_121_arg_0~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_1~0#1| 1) (<= |ULTIMATE.start_main_~mask_SORT_12~0#1| 7) (<= 0 |ULTIMATE.start_main_~#state_44~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_53_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_88~0#1| 1) (<= 1 |ULTIMATE.start_main_~var_111_arg_2~0#1|))' at error location [2022-11-22 01:43:21,235 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-22 01:43:21,235 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-22 01:43:21,235 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 4] total 8 [2022-11-22 01:43:21,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1948127876] [2022-11-22 01:43:21,236 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-22 01:43:21,236 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-22 01:43:21,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:43:21,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-22 01:43:21,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=140, Invalid=460, Unknown=0, NotChecked=0, Total=600 [2022-11-22 01:43:21,238 INFO L87 Difference]: Start difference. First operand 26 states and 36 transitions. Second operand has 8 states, 8 states have (on average 2.625) internal successors, (21), 8 states have internal predecessors, (21), 1 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-11-22 01:43:21,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:43:21,848 INFO L93 Difference]: Finished difference Result 52 states and 74 transitions. [2022-11-22 01:43:21,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-22 01:43:21,849 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.625) internal successors, (21), 8 states have internal predecessors, (21), 1 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 28 [2022-11-22 01:43:21,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:43:21,850 INFO L225 Difference]: With dead ends: 52 [2022-11-22 01:43:21,850 INFO L226 Difference]: Without dead ends: 29 [2022-11-22 01:43:21,851 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 192 ImplicationChecksByTransitivity, 12.5s TimeCoverageRelationStatistics Valid=148, Invalid=502, Unknown=0, NotChecked=0, Total=650 [2022-11-22 01:43:21,852 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 0 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-22 01:43:21,852 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 74 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-22 01:43:21,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2022-11-22 01:43:21,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2022-11-22 01:43:21,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 22 states have (on average 1.3181818181818181) internal successors, (29), 22 states have internal predecessors, (29), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-22 01:43:21,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 39 transitions. [2022-11-22 01:43:21,858 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 39 transitions. Word has length 28 [2022-11-22 01:43:21,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:43:21,858 INFO L495 AbstractCegarLoop]: Abstraction has 29 states and 39 transitions. [2022-11-22 01:43:21,859 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.625) internal successors, (21), 8 states have internal predecessors, (21), 1 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-11-22 01:43:21,859 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 39 transitions. [2022-11-22 01:43:21,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-22 01:43:21,860 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:43:21,860 INFO L195 NwaCegarLoop]: trace histogram [5, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:43:21,879 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78aeab62-3db9-4c39-b865-affc36f4020e/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-22 01:43:22,068 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78aeab62-3db9-4c39-b865-affc36f4020e/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:43:22,069 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:43:22,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:43:22,069 INFO L85 PathProgramCache]: Analyzing trace with hash 449457480, now seen corresponding path program 2 times [2022-11-22 01:43:22,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:43:22,069 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1807086218] [2022-11-22 01:43:22,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:43:22,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:43:22,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:43:22,662 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-11-22 01:43:22,662 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:43:22,662 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1807086218] [2022-11-22 01:43:22,663 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1807086218] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 01:43:22,663 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1673495652] [2022-11-22 01:43:22,663 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-22 01:43:22,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:43:22,664 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78aeab62-3db9-4c39-b865-affc36f4020e/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:43:22,665 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78aeab62-3db9-4c39-b865-affc36f4020e/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 01:43:22,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78aeab62-3db9-4c39-b865-affc36f4020e/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-22 01:43:23,601 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2022-11-22 01:43:23,601 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-22 01:43:23,606 INFO L263 TraceCheckSpWp]: Trace formula consists of 482 conjuncts, 32 conjunts are in the unsatisfiable core [2022-11-22 01:43:23,617 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:43:23,986 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-11-22 01:43:23,987 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 01:43:23,987 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1673495652] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:43:23,987 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-22 01:43:23,987 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 10 [2022-11-22 01:43:23,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713739691] [2022-11-22 01:43:23,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:43:23,988 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-22 01:43:23,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:43:23,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-22 01:43:23,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2022-11-22 01:43:23,990 INFO L87 Difference]: Start difference. First operand 29 states and 39 transitions. Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-11-22 01:43:25,903 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:43:27,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:43:27,983 INFO L93 Difference]: Finished difference Result 59 states and 83 transitions. [2022-11-22 01:43:27,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-22 01:43:27,984 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 31 [2022-11-22 01:43:27,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:43:27,985 INFO L225 Difference]: With dead ends: 59 [2022-11-22 01:43:27,985 INFO L226 Difference]: Without dead ends: 57 [2022-11-22 01:43:27,986 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2022-11-22 01:43:27,989 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 66 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2022-11-22 01:43:27,989 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 71 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2022-11-22 01:43:27,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2022-11-22 01:43:28,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 41. [2022-11-22 01:43:28,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 29 states have (on average 1.2413793103448276) internal successors, (36), 29 states have internal predecessors, (36), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2022-11-22 01:43:28,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 56 transitions. [2022-11-22 01:43:28,002 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 56 transitions. Word has length 31 [2022-11-22 01:43:28,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:43:28,003 INFO L495 AbstractCegarLoop]: Abstraction has 41 states and 56 transitions. [2022-11-22 01:43:28,003 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-11-22 01:43:28,003 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 56 transitions. [2022-11-22 01:43:28,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-11-22 01:43:28,005 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:43:28,005 INFO L195 NwaCegarLoop]: trace histogram [10, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:43:28,015 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78aeab62-3db9-4c39-b865-affc36f4020e/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-11-22 01:43:28,207 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78aeab62-3db9-4c39-b865-affc36f4020e/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:43:28,207 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:43:28,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:43:28,208 INFO L85 PathProgramCache]: Analyzing trace with hash -1480142713, now seen corresponding path program 1 times [2022-11-22 01:43:28,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:43:28,208 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [736663780] [2022-11-22 01:43:28,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:43:28,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:43:28,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:43:29,624 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2022-11-22 01:43:29,624 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:43:29,624 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [736663780] [2022-11-22 01:43:29,625 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [736663780] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 01:43:29,625 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1194935453] [2022-11-22 01:43:29,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:43:29,625 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:43:29,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78aeab62-3db9-4c39-b865-affc36f4020e/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:43:29,630 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78aeab62-3db9-4c39-b865-affc36f4020e/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 01:43:29,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78aeab62-3db9-4c39-b865-affc36f4020e/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-22 01:43:30,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:43:30,382 INFO L263 TraceCheckSpWp]: Trace formula consists of 2029 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-22 01:43:30,390 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:43:30,420 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 62 proven. 4 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2022-11-22 01:43:30,421 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 01:43:30,478 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2022-11-22 01:43:30,478 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1194935453] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-22 01:43:30,478 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-22 01:43:30,479 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7, 4] total 9 [2022-11-22 01:43:30,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1976582488] [2022-11-22 01:43:30,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:43:30,479 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:43:30,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:43:30,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:43:30,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-11-22 01:43:30,481 INFO L87 Difference]: Start difference. First operand 41 states and 56 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-22 01:43:30,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:43:30,788 INFO L93 Difference]: Finished difference Result 63 states and 87 transitions. [2022-11-22 01:43:30,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:43:30,789 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 58 [2022-11-22 01:43:30,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:43:30,790 INFO L225 Difference]: With dead ends: 63 [2022-11-22 01:43:30,790 INFO L226 Difference]: Without dead ends: 42 [2022-11-22 01:43:30,791 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 113 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-11-22 01:43:30,792 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 0 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-22 01:43:30,792 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 39 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-22 01:43:30,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2022-11-22 01:43:30,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2022-11-22 01:43:30,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 30 states have (on average 1.2333333333333334) internal successors, (37), 30 states have internal predecessors, (37), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2022-11-22 01:43:30,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 57 transitions. [2022-11-22 01:43:30,802 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 57 transitions. Word has length 58 [2022-11-22 01:43:30,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:43:30,802 INFO L495 AbstractCegarLoop]: Abstraction has 42 states and 57 transitions. [2022-11-22 01:43:30,803 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-22 01:43:30,803 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 57 transitions. [2022-11-22 01:43:30,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-11-22 01:43:30,804 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:43:30,804 INFO L195 NwaCegarLoop]: trace histogram [10, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:43:30,823 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78aeab62-3db9-4c39-b865-affc36f4020e/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-22 01:43:31,017 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78aeab62-3db9-4c39-b865-affc36f4020e/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:43:31,017 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:43:31,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:43:31,018 INFO L85 PathProgramCache]: Analyzing trace with hash 2128043558, now seen corresponding path program 1 times [2022-11-22 01:43:31,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:43:31,018 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [147518322] [2022-11-22 01:43:31,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:43:31,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:43:31,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:43:32,214 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2022-11-22 01:43:32,215 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:43:32,215 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [147518322] [2022-11-22 01:43:32,216 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [147518322] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 01:43:32,216 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1422594568] [2022-11-22 01:43:32,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:43:32,216 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:43:32,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78aeab62-3db9-4c39-b865-affc36f4020e/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:43:32,219 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78aeab62-3db9-4c39-b865-affc36f4020e/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 01:43:32,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78aeab62-3db9-4c39-b865-affc36f4020e/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-22 01:43:32,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:43:32,965 INFO L263 TraceCheckSpWp]: Trace formula consists of 2036 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-22 01:43:32,973 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:43:33,010 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 62 proven. 4 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2022-11-22 01:43:33,010 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 01:43:33,052 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2022-11-22 01:43:33,053 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1422594568] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-22 01:43:33,053 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-22 01:43:33,053 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7, 4] total 9 [2022-11-22 01:43:33,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1695240541] [2022-11-22 01:43:33,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:43:33,054 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:43:33,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:43:33,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:43:33,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-11-22 01:43:33,055 INFO L87 Difference]: Start difference. First operand 42 states and 57 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-22 01:43:33,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:43:33,165 INFO L93 Difference]: Finished difference Result 65 states and 89 transitions. [2022-11-22 01:43:33,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:43:33,166 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 59 [2022-11-22 01:43:33,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:43:33,167 INFO L225 Difference]: With dead ends: 65 [2022-11-22 01:43:33,167 INFO L226 Difference]: Without dead ends: 43 [2022-11-22 01:43:33,168 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 115 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-11-22 01:43:33,169 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 0 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 01:43:33,169 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 40 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 01:43:33,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2022-11-22 01:43:33,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2022-11-22 01:43:33,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 31 states have (on average 1.2258064516129032) internal successors, (38), 31 states have internal predecessors, (38), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2022-11-22 01:43:33,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 58 transitions. [2022-11-22 01:43:33,179 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 58 transitions. Word has length 59 [2022-11-22 01:43:33,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:43:33,179 INFO L495 AbstractCegarLoop]: Abstraction has 43 states and 58 transitions. [2022-11-22 01:43:33,179 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-22 01:43:33,180 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 58 transitions. [2022-11-22 01:43:33,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-11-22 01:43:33,181 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:43:33,181 INFO L195 NwaCegarLoop]: trace histogram [10, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:43:33,199 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78aeab62-3db9-4c39-b865-affc36f4020e/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-22 01:43:33,393 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78aeab62-3db9-4c39-b865-affc36f4020e/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-11-22 01:43:33,394 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:43:33,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:43:33,394 INFO L85 PathProgramCache]: Analyzing trace with hash 483069382, now seen corresponding path program 1 times [2022-11-22 01:43:33,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:43:33,395 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1503684527] [2022-11-22 01:43:33,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:43:33,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:43:33,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:43:34,721 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2022-11-22 01:43:34,722 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:43:34,722 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1503684527] [2022-11-22 01:43:34,722 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1503684527] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 01:43:34,723 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1687459095] [2022-11-22 01:43:34,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:43:34,723 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:43:34,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78aeab62-3db9-4c39-b865-affc36f4020e/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:43:34,727 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78aeab62-3db9-4c39-b865-affc36f4020e/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 01:43:34,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78aeab62-3db9-4c39-b865-affc36f4020e/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-22 01:43:35,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:43:35,540 INFO L263 TraceCheckSpWp]: Trace formula consists of 2043 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-22 01:43:35,545 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:43:35,579 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 62 proven. 4 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2022-11-22 01:43:35,579 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 01:43:35,624 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2022-11-22 01:43:35,625 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1687459095] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-22 01:43:35,625 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-22 01:43:35,625 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7, 4] total 9 [2022-11-22 01:43:35,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823779474] [2022-11-22 01:43:35,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:43:35,626 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:43:35,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:43:35,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:43:35,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-11-22 01:43:35,627 INFO L87 Difference]: Start difference. First operand 43 states and 58 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-22 01:43:35,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:43:35,744 INFO L93 Difference]: Finished difference Result 67 states and 91 transitions. [2022-11-22 01:43:35,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:43:35,744 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 60 [2022-11-22 01:43:35,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:43:35,745 INFO L225 Difference]: With dead ends: 67 [2022-11-22 01:43:35,746 INFO L226 Difference]: Without dead ends: 44 [2022-11-22 01:43:35,746 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 117 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-11-22 01:43:35,747 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 0 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 01:43:35,747 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 40 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 01:43:35,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2022-11-22 01:43:35,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2022-11-22 01:43:35,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 32 states have (on average 1.21875) internal successors, (39), 32 states have internal predecessors, (39), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2022-11-22 01:43:35,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 59 transitions. [2022-11-22 01:43:35,757 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 59 transitions. Word has length 60 [2022-11-22 01:43:35,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:43:35,758 INFO L495 AbstractCegarLoop]: Abstraction has 44 states and 59 transitions. [2022-11-22 01:43:35,758 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-22 01:43:35,758 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 59 transitions. [2022-11-22 01:43:35,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-11-22 01:43:35,760 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:43:35,760 INFO L195 NwaCegarLoop]: trace histogram [10, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:43:35,770 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78aeab62-3db9-4c39-b865-affc36f4020e/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-22 01:43:35,967 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78aeab62-3db9-4c39-b865-affc36f4020e/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:43:35,967 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:43:35,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:43:35,967 INFO L85 PathProgramCache]: Analyzing trace with hash -1681927714, now seen corresponding path program 1 times [2022-11-22 01:43:35,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:43:35,968 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [626120964] [2022-11-22 01:43:35,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:43:35,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:43:36,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:43:37,124 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2022-11-22 01:43:37,125 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:43:37,125 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [626120964] [2022-11-22 01:43:37,125 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [626120964] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 01:43:37,125 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [360605307] [2022-11-22 01:43:37,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:43:37,126 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:43:37,126 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78aeab62-3db9-4c39-b865-affc36f4020e/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:43:37,127 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78aeab62-3db9-4c39-b865-affc36f4020e/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 01:43:37,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78aeab62-3db9-4c39-b865-affc36f4020e/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-22 01:43:37,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:43:37,975 INFO L263 TraceCheckSpWp]: Trace formula consists of 2050 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-22 01:43:37,979 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:43:38,004 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 62 proven. 4 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2022-11-22 01:43:38,005 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 01:43:38,063 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2022-11-22 01:43:38,064 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [360605307] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-22 01:43:38,064 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-22 01:43:38,064 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7, 4] total 9 [2022-11-22 01:43:38,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [891078988] [2022-11-22 01:43:38,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:43:38,066 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:43:38,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:43:38,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:43:38,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-11-22 01:43:38,067 INFO L87 Difference]: Start difference. First operand 44 states and 59 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-22 01:43:38,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:43:38,169 INFO L93 Difference]: Finished difference Result 69 states and 93 transitions. [2022-11-22 01:43:38,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:43:38,170 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 61 [2022-11-22 01:43:38,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:43:38,172 INFO L225 Difference]: With dead ends: 69 [2022-11-22 01:43:38,172 INFO L226 Difference]: Without dead ends: 45 [2022-11-22 01:43:38,173 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 119 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-11-22 01:43:38,174 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 0 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 01:43:38,175 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 40 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 01:43:38,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2022-11-22 01:43:38,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2022-11-22 01:43:38,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 33 states have (on average 1.2121212121212122) internal successors, (40), 33 states have internal predecessors, (40), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2022-11-22 01:43:38,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 60 transitions. [2022-11-22 01:43:38,193 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 60 transitions. Word has length 61 [2022-11-22 01:43:38,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:43:38,194 INFO L495 AbstractCegarLoop]: Abstraction has 45 states and 60 transitions. [2022-11-22 01:43:38,194 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-22 01:43:38,194 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 60 transitions. [2022-11-22 01:43:38,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-11-22 01:43:38,195 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:43:38,196 INFO L195 NwaCegarLoop]: trace histogram [10, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:43:38,210 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78aeab62-3db9-4c39-b865-affc36f4020e/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-22 01:43:38,408 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78aeab62-3db9-4c39-b865-affc36f4020e/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:43:38,409 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:43:38,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:43:38,409 INFO L85 PathProgramCache]: Analyzing trace with hash -281868135, now seen corresponding path program 1 times [2022-11-22 01:43:38,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:43:38,409 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1048603808] [2022-11-22 01:43:38,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:43:38,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:43:38,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:43:39,442 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2022-11-22 01:43:39,442 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:43:39,442 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1048603808] [2022-11-22 01:43:39,442 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1048603808] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 01:43:39,443 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1295645220] [2022-11-22 01:43:39,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:43:39,443 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:43:39,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78aeab62-3db9-4c39-b865-affc36f4020e/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:43:39,447 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78aeab62-3db9-4c39-b865-affc36f4020e/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 01:43:39,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78aeab62-3db9-4c39-b865-affc36f4020e/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-22 01:43:40,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:43:40,316 INFO L263 TraceCheckSpWp]: Trace formula consists of 2057 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-22 01:43:40,321 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:43:40,366 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2022-11-22 01:43:40,367 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 01:43:40,472 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2022-11-22 01:43:40,473 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1295645220] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 01:43:40,473 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2063071130] [2022-11-22 01:43:40,478 INFO L159 IcfgInterpreter]: Started Sifa with 24 locations of interest [2022-11-22 01:43:40,478 INFO L166 IcfgInterpreter]: Building call graph [2022-11-22 01:43:40,479 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-22 01:43:40,479 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-22 01:43:40,479 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-22 01:43:40,521 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 17 [2022-11-22 01:43:40,534 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 6 treesize of output 5 [2022-11-22 01:43:40,564 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 41 treesize of output 37 [2022-11-22 01:43:40,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:43:40,700 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 329 treesize of output 328 [2022-11-22 01:43:40,837 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 41 treesize of output 37 [2022-11-22 01:43:40,876 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 [2022-11-22 01:43:40,892 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 6 treesize of output 5 [2022-11-22 01:43:40,933 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 41 treesize of output 37 [2022-11-22 01:43:41,120 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 41 treesize of output 37 [2022-11-22 01:43:41,226 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 41 treesize of output 37 [2022-11-22 01:43:44,279 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 [2022-11-22 01:43:44,370 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 6 treesize of output 5 [2022-11-22 01:43:44,661 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:43:44,684 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 01:43:44,684 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 01:43:45,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:43:45,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:43:45,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:43:45,485 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:43:45,486 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:43:45,512 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-22 01:43:45,513 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-22 01:43:45,873 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:43:45,894 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 01:43:45,895 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 01:43:47,155 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 15 treesize of output 11 [2022-11-22 01:43:47,308 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 [2022-11-22 01:43:47,653 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 6 treesize of output 5 [2022-11-22 01:43:48,212 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:43:48,238 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 01:43:48,238 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 01:43:49,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:43:49,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:43:49,438 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:43:49,439 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:43:49,468 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-22 01:43:49,469 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-22 01:43:50,099 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:43:50,123 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 01:43:50,124 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 01:43:50,672 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 15 treesize of output 11 [2022-11-22 01:43:51,522 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:43:51,550 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 01:43:51,551 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 01:43:52,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:43:52,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:43:52,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:43:52,876 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:43:52,877 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:43:52,907 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-22 01:43:52,907 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-22 01:43:53,625 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:43:53,653 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 01:43:53,654 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 01:43:54,416 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:43:54,445 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 01:43:54,445 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 01:43:55,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:43:55,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:43:55,735 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:43:55,736 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:43:55,767 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-22 01:43:55,767 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 101 treesize of output 106 [2022-11-22 01:43:56,611 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:43:56,643 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 01:43:56,644 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 01:43:57,231 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-22 01:43:57,231 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 11 [2022-11-22 01:44:07,715 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 [2022-11-22 01:44:07,893 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 6 treesize of output 5 [2022-11-22 01:44:08,710 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:44:08,746 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 01:44:08,746 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 01:44:09,580 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:44:09,600 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 01:44:09,601 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 01:44:10,495 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 [2022-11-22 01:44:10,602 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 15 treesize of output 11 [2022-11-22 01:44:10,927 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 6 treesize of output 5 [2022-11-22 01:44:11,506 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:44:11,532 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 01:44:11,532 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 01:44:12,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:12,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:12,670 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:44:12,671 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:44:12,703 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-22 01:44:12,703 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-22 01:44:13,195 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:44:13,221 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 01:44:13,221 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 01:44:13,775 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 15 treesize of output 11 [2022-11-22 01:44:14,425 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:44:14,453 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 01:44:14,453 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 01:44:15,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:15,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:15,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:15,703 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:44:15,704 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:44:15,734 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-22 01:44:15,735 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-22 01:44:16,548 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:44:16,574 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 01:44:16,574 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 01:44:17,054 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:44:17,084 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 01:44:17,085 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 01:44:18,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:18,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:18,489 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:44:18,490 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:44:18,521 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-22 01:44:18,522 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 101 treesize of output 106 [2022-11-22 01:44:19,298 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:44:19,325 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 01:44:19,326 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 01:44:19,799 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-22 01:44:19,799 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 11 [2022-11-22 01:44:29,851 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 6 treesize of output 5 [2022-11-22 01:44:29,967 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 [2022-11-22 01:44:31,155 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:44:31,187 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 01:44:31,188 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 01:44:31,576 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:44:31,597 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 01:44:31,598 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 01:44:32,462 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 6 treesize of output 5 [2022-11-22 01:44:32,665 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 [2022-11-22 01:44:32,801 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 15 treesize of output 11 [2022-11-22 01:44:33,477 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:44:33,511 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 01:44:33,511 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 01:44:34,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:34,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:34,536 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:44:34,538 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:44:34,565 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-22 01:44:34,565 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-22 01:44:35,230 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:44:35,256 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 01:44:35,257 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 01:44:35,868 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 15 treesize of output 11 [2022-11-22 01:44:36,409 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:44:36,436 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 01:44:36,436 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 01:44:37,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:37,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:37,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:37,680 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:44:37,680 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:44:37,711 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-22 01:44:37,711 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-22 01:44:38,469 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:44:38,498 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 01:44:38,498 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 01:44:39,043 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:44:39,070 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-11-22 01:44:39,070 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 15 [2022-11-22 01:44:40,497 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:44:40,499 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:44:40,575 INFO L321 Elim1Store]: treesize reduction 94, result has 36.5 percent of original size [2022-11-22 01:44:40,575 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 82 treesize of output 113 [2022-11-22 01:44:41,405 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:44:41,433 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 01:44:41,433 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 01:44:41,851 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-22 01:44:41,851 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 11 [2022-11-22 01:45:04,156 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 14 for LOIs [2022-11-22 01:45:04,157 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-22 01:45:17,095 WARN L233 SmtUtils]: Spent 9.95s on a formula simplification. DAG size of input: 634 DAG size of output: 454 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-22 01:45:31,337 WARN L233 SmtUtils]: Spent 13.92s on a formula simplification. DAG size of input: 550 DAG size of output: 512 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-22 01:45:48,938 WARN L233 SmtUtils]: Spent 9.13s on a formula simplification. DAG size of input: 431 DAG size of output: 431 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-22 01:46:02,232 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '3520#(and (<= 0 |ULTIMATE.start_main_~var_99~0#1|) (<= 1 |ULTIMATE.start_main_~init_110_arg_1~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_40~0#1| 127) (<= 2 |ULTIMATE.start_main_~msb_SORT_5~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_36~0#1| 31) (<= |ULTIMATE.start_main_~msb_SORT_5~0#1| 2) (<= 0 |ULTIMATE.start_main_~var_23~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_3~0#1| 32768) (<= |ULTIMATE.start_main_~var_100_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_111_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_104~0#1| 1) (<= 1 |ULTIMATE.start_main_~var_107~0#1|) (<= 0 |#NULL.base|) (<= |ULTIMATE.start_main_~var_79~0#1| 1) (<= 31 |ULTIMATE.start_main_~mask_SORT_36~0#1|) (<= |ULTIMATE.start_main_~var_118_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_57~0#1|) (<= |ULTIMATE.start_main_~var_107~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_142_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_52~0#1|) (<= |ULTIMATE.start_main_~var_50_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~msb_SORT_11~0#1| 128) (<= |ULTIMATE.start_main_~var_108~0#1| 0) (<= |ULTIMATE.start_main_~var_228~0#1| 2) (<= |ULTIMATE.start_main_~var_140_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_105_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_181~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_75~0#1|) (<= 0 |ULTIMATE.start_main_~i~1#1|) (<= |ULTIMATE.start_main_~var_99~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_21_arg_0~0#1.base|) (<= |ULTIMATE.start_main_~msb_SORT_227~0#1| 2147483648) (<= |ULTIMATE.start_main_~#state_14~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_142_arg_0~0#1| 1) (<= 16 |ULTIMATE.start_main_~msb_SORT_36~0#1|) (<= 0 |ULTIMATE.start_main_~var_88~0#1|) (<= |ULTIMATE.start_main_~var_105_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~var_115_arg_0~0#1| 1) (<= 128 |ULTIMATE.start_main_~msb_SORT_11~0#1|) (<= |ULTIMATE.start_main_~var_76_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~var_57~0#1| 1) (or (and (<= 1 |ULTIMATE.start_main_~var_140_arg_0~0#1|) (<= 1 |ULTIMATE.start_main_~state_109~0#1|) (<= 1 |ULTIMATE.start_main_~var_111_arg_0~0#1|)) (and (<= 0 |ULTIMATE.start_main_~var_435_arg_0~0#1.offset|) (<= |ULTIMATE.start_main_~var_436~0#1| 1) (<= |ULTIMATE.start_main_~var_415~0#1| 1) (<= |ULTIMATE.start_main_~var_419_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_211~0#1|) (<= |ULTIMATE.start_main_~var_415_arg_0~0#1| 255) (<= 0 |ULTIMATE.start_main_~var_150_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_448_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_437_arg_2~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_47_arg_0~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_415~0#1|) (<= 0 |ULTIMATE.start_main_~var_206~0#1|) (<= |ULTIMATE.start_main_~var_448_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_199_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_150_arg_0~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_111_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_211~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_216~0#1|) (<= 0 |ULTIMATE.start_main_~var_430_arg_0~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_435_arg_0~0#1.base|) (<= |ULTIMATE.start_main_~var_416_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_406_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_206~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_419_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_18_arg_0~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_416_arg_1~0#1.base|) (<= |ULTIMATE.start_main_~var_437_arg_2~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_212_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_431_arg_0~0#1| 255) (<= 0 |ULTIMATE.start_main_~var_428_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_414_arg_0~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_437~0#1.base|) (<= |ULTIMATE.start_main_~var_445_arg_1~0#1| 0) (<= 1 |ULTIMATE.start_main_~var_442_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_416_arg_2~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_425_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_416_arg_2~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_182_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~i~2#1|) (<= 0 |ULTIMATE.start_main_~var_437_arg_1~0#1.offset|) (<= |ULTIMATE.start_main_~var_207_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~var_111_arg_0~0#1| 0) (<= |ULTIMATE.start_main_~var_428_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_140_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_416~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_406_arg_1~0#1|) (<= 255 |ULTIMATE.start_main_~var_433_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_433_arg_1~0#1| 255) (<= 0 |ULTIMATE.start_main_~var_414_arg_0~0#1.base|) (<= |ULTIMATE.start_main_~var_435_arg_0~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_437_arg_2~0#1.offset|) (<= |ULTIMATE.start_main_~var_410_arg_0~0#1| 255) (<= 0 |ULTIMATE.start_main_~next_438_arg_1~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_416_arg_1~0#1.offset|) (<= |ULTIMATE.start_main_~var_437_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_409_arg_0~0#1.offset|) (<= |ULTIMATE.start_main_~next_438_arg_1~0#1.offset| 0) (<= |ULTIMATE.start_main_~state_109~0#1| 0) (<= |ULTIMATE.start_main_~var_212_arg_1~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_437~0#1.offset|) (<= |ULTIMATE.start_main_~next_453_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_140_arg_0~0#1| 0) (<= |ULTIMATE.start_main_~var_416~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_416_arg_1~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_445_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_440_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_47_arg_0~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_437_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_403_arg_1~0#1|) (<= 255 |ULTIMATE.start_main_~var_431_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_443_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_416~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_422_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_216~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_440_arg_1~0#1|) (<= 255 |ULTIMATE.start_main_~var_436_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_18_arg_0~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_430_arg_0~0#1.offset|) (<= |ULTIMATE.start_main_~var_422_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_416_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_451_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_430_arg_0~0#1.offset| 0) (<= 255 |ULTIMATE.start_main_~var_412_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_182_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~next_453_arg_1~0#1|) (<= 255 |ULTIMATE.start_main_~var_415_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_47_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~next_417_arg_1~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_409_arg_0~0#1.base|) (<= |ULTIMATE.start_main_~var_437~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_437_arg_1~0#1.base|) (<= |ULTIMATE.start_main_~var_409_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_421_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_425_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_207_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~next_417_arg_1~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_421_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~i~3#1|) (<= |ULTIMATE.start_main_~var_18_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_436_arg_0~0#1| 255) (<= 255 |ULTIMATE.start_main_~var_410_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_412_arg_1~0#1| 255) (<= |ULTIMATE.start_main_~var_442_arg_1~0#1| 1) (<= 0 |ULTIMATE.start_main_~state_109~0#1|) (<= 0 |ULTIMATE.start_main_~var_436~0#1|) (<= 0 |ULTIMATE.start_main_~next_438_arg_1~0#1.base|) (<= |ULTIMATE.start_main_~var_443_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_451_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_414_arg_0~0#1.offset|) (<= |ULTIMATE.start_main_~var_437_arg_1~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~i~5#1|) (<= |ULTIMATE.start_main_~var_416_arg_2~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_403_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~next_417_arg_1~0#1.base|) (<= 0 |ULTIMATE.start_main_~i~4#1|) (<= |ULTIMATE.start_main_~var_199_arg_1~0#1| 0))) (<= 0 |ULTIMATE.start_main_~var_89_arg_1~0#1|) (<= 4 |ULTIMATE.start_main_~msb_SORT_12~0#1|) (<= |ULTIMATE.start_main_~var_98_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_137_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_30_arg_1~0#1|) (<= |ULTIMATE.start_main_~#state_44~0#1.offset| 0) (<= 127 |ULTIMATE.start_main_~mask_SORT_40~0#1|) (<= 1 |ULTIMATE.start_main_~var_130_arg_0~0#1|) (<= (+ |ULTIMATE.start_main_~mask_SORT_227~0#1| 1) 0) (<= |ULTIMATE.start_main_~var_58_arg_1~0#1| 1) (<= |#NULL.offset| 0) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= |ULTIMATE.start_main_~var_111_arg_2~0#1| 1) (<= |ULTIMATE.start_main_~var_29~0#1| 1) (<= |ULTIMATE.start_main_~var_80_arg_1~0#1| 1) (<= 32 |ULTIMATE.start_main_~msb_SORT_38~0#1|) (<= |ULTIMATE.start_main_~var_141_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~#state_14~0#1.base|) (<= 64 |ULTIMATE.start_main_~msb_SORT_40~0#1|) (<= |ULTIMATE.start_main_~state_109~0#1| 1) (<= 2 |ULTIMATE.start_main_~var_228~0#1|) (<= 8 |ULTIMATE.start_main_~var_27~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_12~0#1| 4) (<= |ULTIMATE.start_main_~var_75~0#1| 1) (<= 1 |ULTIMATE.start_main_~var_124_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_76_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_181~0#1|) (<= 1 |ULTIMATE.start_main_~mask_SORT_1~0#1|) (<= 15 |ULTIMATE.start_main_~mask_SORT_15~0#1|) (<= |ULTIMATE.start_main_~var_89_arg_1~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_140~0#1|) (<= |ULTIMATE.start_main_~var_80_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~init_110_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~msb_SORT_40~0#1| 64) (<= |ULTIMATE.start_main_~var_27~0#1| 8) (<= 0 |ULTIMATE.start_main_~var_29~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_5~0#1| 3) (<= |ULTIMATE.start_main_~mask_SORT_15~0#1| 15) (<= |ULTIMATE.start_main_~var_97~0#1| 0) (<= |ULTIMATE.start_main_~mask_SORT_38~0#1| 63) (<= 1 |ULTIMATE.start_main_~var_141_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_100_arg_0~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_38~0#1| 32) (<= 0 (+ |ULTIMATE.start_main_~mask_SORT_227~0#1| 1)) (<= |ULTIMATE.start_main_~var_24_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_104~0#1|) (<= 0 |ULTIMATE.start_main_~var_24_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~var_30_arg_1~0#1| 1) (<= 63 |ULTIMATE.start_main_~mask_SORT_38~0#1|) (<= 0 |ULTIMATE.start_main_~var_76_arg_0~0#1|) (<= 7 |ULTIMATE.start_main_~mask_SORT_12~0#1|) (<= 0 |ULTIMATE.start_main_~var_80_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_111_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_124_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_98_arg_1~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_36~0#1| 16) (<= 255 |ULTIMATE.start_main_~mask_SORT_11~0#1|) (<= 2147483648 |ULTIMATE.start_main_~msb_SORT_227~0#1|) (<= 255 |ULTIMATE.start_main_~var_408~0#1|) (<= |ULTIMATE.start_main_~var_23~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_50_arg_0~0#1.offset|) (<= |ULTIMATE.start_main_~var_130_arg_0~0#1| 1) (<= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 1) (<= |#NULL.base| 0) (<= 0 |ULTIMATE.start_main_~var_80_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_21_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_140~0#1| 1) (<= |ULTIMATE.start_main_~var_121_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_52~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_111_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_115_arg_0~0#1|) (<= 65535 |ULTIMATE.start_main_~mask_SORT_3~0#1|) (<= 0 |ULTIMATE.start_main_~var_97~0#1|) (<= 1 |ULTIMATE.start_main_~msb_SORT_1~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_11~0#1| 255) (<= 0 |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (<= 0 |ULTIMATE.start_main_~var_50_arg_0~0#1.base|) (<= 1 |ULTIMATE.start_main_~var_137_arg_0~0#1|) (<= 1 |ULTIMATE.start_main_~var_118_arg_0~0#1|) (<= 32768 |ULTIMATE.start_main_~msb_SORT_3~0#1|) (<= 0 |ULTIMATE.start_main_~#state_44~0#1.offset|) (<= 3 |ULTIMATE.start_main_~mask_SORT_5~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_15~0#1| 8) (<= 0 |ULTIMATE.start_main_~var_108~0#1|) (<= 0 |#NULL.offset|) (<= 0 |ULTIMATE.start_main_~var_79~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_1~0#1| 1) (<= |ULTIMATE.start_main_~var_408~0#1| 255) (<= 8 |ULTIMATE.start_main_~msb_SORT_15~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_3~0#1| 65535) (<= 0 |ULTIMATE.start_main_~#state_14~0#1.offset|) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_main_~var_76_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_58_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_53_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_21_arg_0~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_121_arg_0~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_1~0#1| 1) (<= |ULTIMATE.start_main_~mask_SORT_12~0#1| 7) (<= 0 |ULTIMATE.start_main_~#state_44~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_53_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_88~0#1| 1) (<= 1 |ULTIMATE.start_main_~var_111_arg_2~0#1|))' at error location [2022-11-22 01:46:02,232 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-22 01:46:02,233 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-22 01:46:02,233 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 4] total 11 [2022-11-22 01:46:02,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070093701] [2022-11-22 01:46:02,233 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-22 01:46:02,234 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-22 01:46:02,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:46:02,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-22 01:46:02,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=150, Invalid=842, Unknown=0, NotChecked=0, Total=992 [2022-11-22 01:46:02,235 INFO L87 Difference]: Start difference. First operand 45 states and 60 transitions. Second operand has 11 states, 11 states have (on average 3.3636363636363638) internal successors, (37), 11 states have internal predecessors, (37), 1 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-11-22 01:46:02,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:46:02,677 INFO L93 Difference]: Finished difference Result 88 states and 121 transitions. [2022-11-22 01:46:02,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-22 01:46:02,678 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.3636363636363638) internal successors, (37), 11 states have internal predecessors, (37), 1 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 62 [2022-11-22 01:46:02,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:46:02,678 INFO L225 Difference]: With dead ends: 88 [2022-11-22 01:46:02,678 INFO L226 Difference]: Without dead ends: 49 [2022-11-22 01:46:02,679 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 160 SyntacticMatches, 1 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 188 ImplicationChecksByTransitivity, 58.1s TimeCoverageRelationStatistics Valid=156, Invalid=900, Unknown=0, NotChecked=0, Total=1056 [2022-11-22 01:46:02,680 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 0 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-22 01:46:02,680 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 100 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-22 01:46:02,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2022-11-22 01:46:02,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2022-11-22 01:46:02,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 37 states have (on average 1.1891891891891893) internal successors, (44), 37 states have internal predecessors, (44), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2022-11-22 01:46:02,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 64 transitions. [2022-11-22 01:46:02,689 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 64 transitions. Word has length 62 [2022-11-22 01:46:02,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:46:02,689 INFO L495 AbstractCegarLoop]: Abstraction has 49 states and 64 transitions. [2022-11-22 01:46:02,690 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.3636363636363638) internal successors, (37), 11 states have internal predecessors, (37), 1 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-11-22 01:46:02,690 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 64 transitions. [2022-11-22 01:46:02,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-11-22 01:46:02,691 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:46:02,691 INFO L195 NwaCegarLoop]: trace histogram [10, 5, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:46:02,703 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78aeab62-3db9-4c39-b865-affc36f4020e/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2022-11-22 01:46:02,903 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78aeab62-3db9-4c39-b865-affc36f4020e/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:46:02,904 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:46:02,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:46:02,904 INFO L85 PathProgramCache]: Analyzing trace with hash -27003653, now seen corresponding path program 2 times [2022-11-22 01:46:02,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:46:02,904 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [757445447] [2022-11-22 01:46:02,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:46:02,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:46:03,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:46:04,021 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2022-11-22 01:46:04,021 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:46:04,021 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [757445447] [2022-11-22 01:46:04,022 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [757445447] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 01:46:04,022 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [674586018] [2022-11-22 01:46:04,022 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-22 01:46:04,022 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:46:04,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78aeab62-3db9-4c39-b865-affc36f4020e/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:46:04,023 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78aeab62-3db9-4c39-b865-affc36f4020e/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 01:46:04,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78aeab62-3db9-4c39-b865-affc36f4020e/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-11-22 01:46:46,581 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-11-22 01:46:46,581 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-22 01:46:46,600 INFO L263 TraceCheckSpWp]: Trace formula consists of 1832 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-22 01:46:46,606 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:46:46,640 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 62 proven. 10 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2022-11-22 01:46:46,641 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 01:46:46,718 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2022-11-22 01:46:46,718 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [674586018] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 01:46:46,719 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [603901422] [2022-11-22 01:46:46,724 INFO L159 IcfgInterpreter]: Started Sifa with 24 locations of interest [2022-11-22 01:46:46,724 INFO L166 IcfgInterpreter]: Building call graph [2022-11-22 01:46:46,725 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-22 01:46:46,725 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-22 01:46:46,725 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-22 01:46:46,761 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 6 treesize of output 5 [2022-11-22 01:46:46,777 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 17 [2022-11-22 01:46:46,804 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 41 treesize of output 37 [2022-11-22 01:46:46,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:46:46,918 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 329 treesize of output 328 [2022-11-22 01:46:47,083 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 41 treesize of output 37 [2022-11-22 01:46:47,205 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 [2022-11-22 01:46:47,230 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 6 treesize of output 5 [2022-11-22 01:46:47,382 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 41 treesize of output 37 [2022-11-22 01:46:47,445 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 41 treesize of output 37 [2022-11-22 01:46:49,845 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 6 treesize of output 5 [2022-11-22 01:46:49,894 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 [2022-11-22 01:46:50,336 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:46:50,357 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 01:46:50,357 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 01:46:50,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:46:50,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:46:50,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:46:50,881 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:46:50,882 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:46:50,906 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-22 01:46:50,906 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-22 01:46:51,211 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:46:51,232 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 01:46:51,232 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 01:46:52,264 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 [2022-11-22 01:46:52,470 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 15 treesize of output 11 [2022-11-22 01:46:52,568 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 6 treesize of output 5 [2022-11-22 01:46:53,245 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:46:53,274 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 01:46:53,275 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 01:46:54,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:46:54,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:46:54,325 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:46:54,326 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:46:54,354 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-22 01:46:54,355 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-22 01:46:54,984 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:46:55,009 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 01:46:55,010 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 01:46:55,651 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 15 treesize of output 11 [2022-11-22 01:46:56,373 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:46:56,400 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 01:46:56,401 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 01:46:57,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:46:57,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:46:57,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:46:57,941 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:46:57,942 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:46:57,972 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-22 01:46:57,972 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-22 01:46:58,733 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:46:58,759 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 01:46:58,759 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 01:46:59,302 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:46:59,333 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 01:46:59,334 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 01:47:00,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:00,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:00,679 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:47:00,680 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:47:00,710 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-22 01:47:00,710 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 101 treesize of output 106 [2022-11-22 01:47:01,383 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:47:01,411 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 01:47:01,411 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 01:47:02,015 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-22 01:47:02,016 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 11 [2022-11-22 01:47:12,231 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 6 treesize of output 5 [2022-11-22 01:47:12,526 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 [2022-11-22 01:47:13,837 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:47:13,868 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 01:47:13,868 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 01:47:14,313 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:47:14,335 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 01:47:14,336 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 01:47:15,524 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 [2022-11-22 01:47:15,735 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 15 treesize of output 11 [2022-11-22 01:47:15,893 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 6 treesize of output 5 [2022-11-22 01:47:16,473 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:47:16,499 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 01:47:16,500 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 01:47:17,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:17,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:17,683 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:47:17,684 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:47:17,711 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-22 01:47:17,712 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-22 01:47:18,332 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:47:18,357 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 01:47:18,358 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 01:47:18,890 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 15 treesize of output 11 [2022-11-22 01:47:19,521 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:47:19,548 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 01:47:19,548 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 01:47:20,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:20,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:20,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:20,926 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:47:20,927 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:47:20,955 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-22 01:47:20,955 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-22 01:47:21,653 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:47:21,680 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 01:47:21,681 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 01:47:22,426 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:47:22,453 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-11-22 01:47:22,453 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 15 [2022-11-22 01:47:23,966 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:47:23,967 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:47:24,042 INFO L321 Elim1Store]: treesize reduction 94, result has 36.5 percent of original size [2022-11-22 01:47:24,043 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 82 treesize of output 113 [2022-11-22 01:47:24,689 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:47:24,715 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 01:47:24,716 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 01:47:25,310 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-22 01:47:25,310 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 11 [2022-11-22 01:47:35,003 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 6 treesize of output 5 [2022-11-22 01:47:35,207 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 [2022-11-22 01:47:36,466 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:47:36,497 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 01:47:36,497 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 01:47:36,872 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:47:36,893 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 01:47:36,893 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 01:47:37,846 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 15 treesize of output 11 [2022-11-22 01:47:38,312 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 6 treesize of output 5 [2022-11-22 01:47:38,421 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 [2022-11-22 01:47:39,088 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:47:39,116 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 01:47:39,117 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 01:47:40,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:40,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:40,125 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:47:40,126 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:47:40,153 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-22 01:47:40,153 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-22 01:47:40,832 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:47:40,857 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 01:47:40,857 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 01:47:41,427 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 15 treesize of output 11 [2022-11-22 01:47:42,057 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:47:42,083 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 01:47:42,083 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 01:47:43,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:43,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:43,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:43,557 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:47:43,558 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:47:43,586 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-22 01:47:43,587 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-22 01:47:44,329 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:47:44,356 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 01:47:44,356 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 01:47:44,854 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:47:44,880 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-11-22 01:47:44,881 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 15 [2022-11-22 01:47:46,230 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:47:46,231 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:47:46,319 INFO L321 Elim1Store]: treesize reduction 104, result has 29.7 percent of original size [2022-11-22 01:47:46,319 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 82 treesize of output 103 [2022-11-22 01:47:47,217 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:47:47,244 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 01:47:47,245 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 01:47:47,691 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-22 01:47:47,692 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 11 [2022-11-22 01:48:09,287 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 14 for LOIs [2022-11-22 01:48:09,289 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-22 01:48:22,296 WARN L233 SmtUtils]: Spent 9.76s on a formula simplification. DAG size of input: 634 DAG size of output: 454 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-22 01:48:43,029 WARN L233 SmtUtils]: Spent 20.42s on a formula simplification. DAG size of input: 550 DAG size of output: 518 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-22 01:49:00,984 WARN L233 SmtUtils]: Spent 9.25s on a formula simplification. DAG size of input: 431 DAG size of output: 431 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-22 01:49:14,779 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '4169#(and (<= 0 |ULTIMATE.start_main_~var_99~0#1|) (<= 1 |ULTIMATE.start_main_~init_110_arg_1~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_40~0#1| 127) (<= 2 |ULTIMATE.start_main_~msb_SORT_5~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_36~0#1| 31) (<= |ULTIMATE.start_main_~msb_SORT_5~0#1| 2) (<= 0 |ULTIMATE.start_main_~var_23~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_3~0#1| 32768) (<= |ULTIMATE.start_main_~var_100_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_111_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_104~0#1| 1) (<= 1 |ULTIMATE.start_main_~var_107~0#1|) (<= 0 |#NULL.base|) (<= |ULTIMATE.start_main_~var_79~0#1| 1) (<= 31 |ULTIMATE.start_main_~mask_SORT_36~0#1|) (<= |ULTIMATE.start_main_~var_118_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_57~0#1|) (<= |ULTIMATE.start_main_~var_107~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_142_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_52~0#1|) (<= |ULTIMATE.start_main_~var_50_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~msb_SORT_11~0#1| 128) (<= |ULTIMATE.start_main_~var_108~0#1| 0) (<= |ULTIMATE.start_main_~var_228~0#1| 2) (<= |ULTIMATE.start_main_~var_140_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_105_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_181~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_75~0#1|) (<= 0 |ULTIMATE.start_main_~i~1#1|) (<= |ULTIMATE.start_main_~var_99~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_21_arg_0~0#1.base|) (<= |ULTIMATE.start_main_~msb_SORT_227~0#1| 2147483648) (<= |ULTIMATE.start_main_~#state_14~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_142_arg_0~0#1| 1) (<= 16 |ULTIMATE.start_main_~msb_SORT_36~0#1|) (<= 0 |ULTIMATE.start_main_~var_88~0#1|) (<= |ULTIMATE.start_main_~var_105_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~var_115_arg_0~0#1| 1) (<= 128 |ULTIMATE.start_main_~msb_SORT_11~0#1|) (<= |ULTIMATE.start_main_~var_76_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~var_57~0#1| 1) (or (and (<= 1 |ULTIMATE.start_main_~var_140_arg_0~0#1|) (<= 1 |ULTIMATE.start_main_~state_109~0#1|) (<= 1 |ULTIMATE.start_main_~var_111_arg_0~0#1|)) (and (<= 0 |ULTIMATE.start_main_~var_435_arg_0~0#1.offset|) (<= |ULTIMATE.start_main_~var_436~0#1| 1) (<= |ULTIMATE.start_main_~var_415~0#1| 1) (<= |ULTIMATE.start_main_~var_419_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_211~0#1|) (<= |ULTIMATE.start_main_~var_415_arg_0~0#1| 255) (<= 0 |ULTIMATE.start_main_~var_150_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_448_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_437_arg_2~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_47_arg_0~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_415~0#1|) (<= 0 |ULTIMATE.start_main_~var_206~0#1|) (<= |ULTIMATE.start_main_~var_448_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_199_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_150_arg_0~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_111_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_211~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_216~0#1|) (<= 0 |ULTIMATE.start_main_~var_430_arg_0~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_435_arg_0~0#1.base|) (<= |ULTIMATE.start_main_~var_416_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_406_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_206~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_419_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_18_arg_0~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_416_arg_1~0#1.base|) (<= |ULTIMATE.start_main_~var_437_arg_2~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_212_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_431_arg_0~0#1| 255) (<= 0 |ULTIMATE.start_main_~var_428_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_414_arg_0~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_437~0#1.base|) (<= |ULTIMATE.start_main_~var_445_arg_1~0#1| 0) (<= 1 |ULTIMATE.start_main_~var_442_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_416_arg_2~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_425_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_416_arg_2~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_182_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~i~2#1|) (<= 0 |ULTIMATE.start_main_~var_437_arg_1~0#1.offset|) (<= |ULTIMATE.start_main_~var_207_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~var_111_arg_0~0#1| 0) (<= |ULTIMATE.start_main_~var_428_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_140_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_416~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_406_arg_1~0#1|) (<= 255 |ULTIMATE.start_main_~var_433_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_433_arg_1~0#1| 255) (<= 0 |ULTIMATE.start_main_~var_414_arg_0~0#1.base|) (<= |ULTIMATE.start_main_~var_435_arg_0~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_437_arg_2~0#1.offset|) (<= |ULTIMATE.start_main_~var_410_arg_0~0#1| 255) (<= 0 |ULTIMATE.start_main_~next_438_arg_1~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_416_arg_1~0#1.offset|) (<= |ULTIMATE.start_main_~var_437_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_409_arg_0~0#1.offset|) (<= |ULTIMATE.start_main_~next_438_arg_1~0#1.offset| 0) (<= |ULTIMATE.start_main_~state_109~0#1| 0) (<= |ULTIMATE.start_main_~var_212_arg_1~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_437~0#1.offset|) (<= |ULTIMATE.start_main_~next_453_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_140_arg_0~0#1| 0) (<= |ULTIMATE.start_main_~var_416~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_416_arg_1~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_445_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_440_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_47_arg_0~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_437_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_403_arg_1~0#1|) (<= 255 |ULTIMATE.start_main_~var_431_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_443_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_416~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_422_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_216~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_440_arg_1~0#1|) (<= 255 |ULTIMATE.start_main_~var_436_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_18_arg_0~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_430_arg_0~0#1.offset|) (<= |ULTIMATE.start_main_~var_422_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_416_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_451_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_430_arg_0~0#1.offset| 0) (<= 255 |ULTIMATE.start_main_~var_412_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_182_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~next_453_arg_1~0#1|) (<= 255 |ULTIMATE.start_main_~var_415_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_47_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~next_417_arg_1~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_409_arg_0~0#1.base|) (<= |ULTIMATE.start_main_~var_437~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_437_arg_1~0#1.base|) (<= |ULTIMATE.start_main_~var_409_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_421_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_425_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_207_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~next_417_arg_1~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_421_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~i~3#1|) (<= |ULTIMATE.start_main_~var_18_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_436_arg_0~0#1| 255) (<= 255 |ULTIMATE.start_main_~var_410_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_412_arg_1~0#1| 255) (<= |ULTIMATE.start_main_~var_442_arg_1~0#1| 1) (<= 0 |ULTIMATE.start_main_~state_109~0#1|) (<= 0 |ULTIMATE.start_main_~var_436~0#1|) (<= 0 |ULTIMATE.start_main_~next_438_arg_1~0#1.base|) (<= |ULTIMATE.start_main_~var_443_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_451_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_414_arg_0~0#1.offset|) (<= |ULTIMATE.start_main_~var_437_arg_1~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~i~5#1|) (<= |ULTIMATE.start_main_~var_416_arg_2~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_403_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~next_417_arg_1~0#1.base|) (<= 0 |ULTIMATE.start_main_~i~4#1|) (<= |ULTIMATE.start_main_~var_199_arg_1~0#1| 0))) (<= 0 |ULTIMATE.start_main_~var_89_arg_1~0#1|) (<= 4 |ULTIMATE.start_main_~msb_SORT_12~0#1|) (<= |ULTIMATE.start_main_~var_98_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_137_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_30_arg_1~0#1|) (<= |ULTIMATE.start_main_~#state_44~0#1.offset| 0) (<= 127 |ULTIMATE.start_main_~mask_SORT_40~0#1|) (<= 1 |ULTIMATE.start_main_~var_130_arg_0~0#1|) (<= (+ |ULTIMATE.start_main_~mask_SORT_227~0#1| 1) 0) (<= |ULTIMATE.start_main_~var_58_arg_1~0#1| 1) (<= |#NULL.offset| 0) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= |ULTIMATE.start_main_~var_111_arg_2~0#1| 1) (<= |ULTIMATE.start_main_~var_29~0#1| 1) (<= |ULTIMATE.start_main_~var_80_arg_1~0#1| 1) (<= 32 |ULTIMATE.start_main_~msb_SORT_38~0#1|) (<= |ULTIMATE.start_main_~var_141_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~#state_14~0#1.base|) (<= 64 |ULTIMATE.start_main_~msb_SORT_40~0#1|) (<= |ULTIMATE.start_main_~state_109~0#1| 1) (<= 2 |ULTIMATE.start_main_~var_228~0#1|) (<= 8 |ULTIMATE.start_main_~var_27~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_12~0#1| 4) (<= |ULTIMATE.start_main_~var_75~0#1| 1) (<= 1 |ULTIMATE.start_main_~var_124_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_76_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_181~0#1|) (<= 1 |ULTIMATE.start_main_~mask_SORT_1~0#1|) (<= 15 |ULTIMATE.start_main_~mask_SORT_15~0#1|) (<= |ULTIMATE.start_main_~var_89_arg_1~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_140~0#1|) (<= |ULTIMATE.start_main_~var_80_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~init_110_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~msb_SORT_40~0#1| 64) (<= |ULTIMATE.start_main_~var_27~0#1| 8) (<= 0 |ULTIMATE.start_main_~var_29~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_5~0#1| 3) (<= |ULTIMATE.start_main_~mask_SORT_15~0#1| 15) (<= |ULTIMATE.start_main_~var_97~0#1| 0) (<= |ULTIMATE.start_main_~mask_SORT_38~0#1| 63) (<= 1 |ULTIMATE.start_main_~var_141_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_100_arg_0~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_38~0#1| 32) (<= 0 (+ |ULTIMATE.start_main_~mask_SORT_227~0#1| 1)) (<= |ULTIMATE.start_main_~var_24_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_104~0#1|) (<= 0 |ULTIMATE.start_main_~var_24_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~var_30_arg_1~0#1| 1) (<= 63 |ULTIMATE.start_main_~mask_SORT_38~0#1|) (<= 0 |ULTIMATE.start_main_~var_76_arg_0~0#1|) (<= 7 |ULTIMATE.start_main_~mask_SORT_12~0#1|) (<= 0 |ULTIMATE.start_main_~var_80_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_111_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_124_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_98_arg_1~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_36~0#1| 16) (<= 255 |ULTIMATE.start_main_~mask_SORT_11~0#1|) (<= 2147483648 |ULTIMATE.start_main_~msb_SORT_227~0#1|) (<= 255 |ULTIMATE.start_main_~var_408~0#1|) (<= |ULTIMATE.start_main_~var_23~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_50_arg_0~0#1.offset|) (<= |ULTIMATE.start_main_~var_130_arg_0~0#1| 1) (<= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 1) (<= |#NULL.base| 0) (<= 0 |ULTIMATE.start_main_~var_80_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_21_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_140~0#1| 1) (<= |ULTIMATE.start_main_~var_121_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_52~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_111_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_115_arg_0~0#1|) (<= 65535 |ULTIMATE.start_main_~mask_SORT_3~0#1|) (<= 0 |ULTIMATE.start_main_~var_97~0#1|) (<= 1 |ULTIMATE.start_main_~msb_SORT_1~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_11~0#1| 255) (<= 0 |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (<= 0 |ULTIMATE.start_main_~var_50_arg_0~0#1.base|) (<= 1 |ULTIMATE.start_main_~var_137_arg_0~0#1|) (<= 1 |ULTIMATE.start_main_~var_118_arg_0~0#1|) (<= 32768 |ULTIMATE.start_main_~msb_SORT_3~0#1|) (<= 0 |ULTIMATE.start_main_~#state_44~0#1.offset|) (<= 3 |ULTIMATE.start_main_~mask_SORT_5~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_15~0#1| 8) (<= 0 |ULTIMATE.start_main_~var_108~0#1|) (<= 0 |#NULL.offset|) (<= 0 |ULTIMATE.start_main_~var_79~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_1~0#1| 1) (<= |ULTIMATE.start_main_~var_408~0#1| 255) (<= 8 |ULTIMATE.start_main_~msb_SORT_15~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_3~0#1| 65535) (<= 0 |ULTIMATE.start_main_~#state_14~0#1.offset|) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_main_~var_76_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_58_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_53_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_21_arg_0~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_121_arg_0~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_1~0#1| 1) (<= |ULTIMATE.start_main_~mask_SORT_12~0#1| 7) (<= 0 |ULTIMATE.start_main_~#state_44~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_53_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_88~0#1| 1) (<= 1 |ULTIMATE.start_main_~var_111_arg_2~0#1|))' at error location [2022-11-22 01:49:14,780 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-22 01:49:14,780 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-22 01:49:14,780 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6, 4] total 12 [2022-11-22 01:49:14,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033968776] [2022-11-22 01:49:14,781 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-22 01:49:14,781 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-22 01:49:14,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:49:14,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-22 01:49:14,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=153, Invalid=903, Unknown=0, NotChecked=0, Total=1056 [2022-11-22 01:49:14,783 INFO L87 Difference]: Start difference. First operand 49 states and 64 transitions. Second operand has 12 states, 12 states have (on average 4.0) internal successors, (48), 12 states have internal predecessors, (48), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-22 01:49:15,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:49:15,219 INFO L93 Difference]: Finished difference Result 95 states and 128 transitions. [2022-11-22 01:49:15,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-22 01:49:15,221 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.0) internal successors, (48), 12 states have internal predecessors, (48), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 66 [2022-11-22 01:49:15,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:49:15,222 INFO L225 Difference]: With dead ends: 95 [2022-11-22 01:49:15,222 INFO L226 Difference]: Without dead ends: 53 [2022-11-22 01:49:15,223 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 172 SyntacticMatches, 1 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 188 ImplicationChecksByTransitivity, 65.6s TimeCoverageRelationStatistics Valid=159, Invalid=963, Unknown=0, NotChecked=0, Total=1122 [2022-11-22 01:49:15,224 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 0 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-22 01:49:15,224 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 136 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-22 01:49:15,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2022-11-22 01:49:15,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2022-11-22 01:49:15,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 41 states have (on average 1.170731707317073) internal successors, (48), 41 states have internal predecessors, (48), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2022-11-22 01:49:15,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 68 transitions. [2022-11-22 01:49:15,233 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 68 transitions. Word has length 66 [2022-11-22 01:49:15,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:49:15,233 INFO L495 AbstractCegarLoop]: Abstraction has 53 states and 68 transitions. [2022-11-22 01:49:15,234 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.0) internal successors, (48), 12 states have internal predecessors, (48), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-22 01:49:15,234 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 68 transitions. [2022-11-22 01:49:15,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-11-22 01:49:15,235 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:49:15,235 INFO L195 NwaCegarLoop]: trace histogram [10, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:49:15,256 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78aeab62-3db9-4c39-b865-affc36f4020e/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2022-11-22 01:49:15,451 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78aeab62-3db9-4c39-b865-affc36f4020e/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-22 01:49:15,451 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:49:15,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:49:15,451 INFO L85 PathProgramCache]: Analyzing trace with hash 384821121, now seen corresponding path program 3 times [2022-11-22 01:49:15,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:49:15,452 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [808543059] [2022-11-22 01:49:15,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:49:15,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:49:15,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:49:16,634 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2022-11-22 01:49:16,634 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:49:16,634 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [808543059] [2022-11-22 01:49:16,635 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [808543059] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 01:49:16,635 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1931067220] [2022-11-22 01:49:16,635 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-22 01:49:16,635 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:49:16,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78aeab62-3db9-4c39-b865-affc36f4020e/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:49:16,639 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78aeab62-3db9-4c39-b865-affc36f4020e/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 01:49:16,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78aeab62-3db9-4c39-b865-affc36f4020e/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-11-22 01:49:17,619 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-22 01:49:17,619 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-22 01:49:17,635 INFO L263 TraceCheckSpWp]: Trace formula consists of 2113 conjuncts, 22 conjunts are in the unsatisfiable core [2022-11-22 01:49:17,641 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:49:17,736 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2022-11-22 01:49:17,736 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 01:49:17,890 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2022-11-22 01:49:17,890 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1931067220] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 01:49:17,890 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [796118341] [2022-11-22 01:49:17,893 INFO L159 IcfgInterpreter]: Started Sifa with 24 locations of interest [2022-11-22 01:49:17,894 INFO L166 IcfgInterpreter]: Building call graph [2022-11-22 01:49:17,894 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-22 01:49:17,894 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-22 01:49:17,894 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-22 01:49:17,930 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 17 [2022-11-22 01:49:17,943 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 6 treesize of output 5 [2022-11-22 01:49:17,971 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 35 treesize of output 31 [2022-11-22 01:49:18,110 INFO L321 Elim1Store]: treesize reduction 41, result has 26.8 percent of original size [2022-11-22 01:49:18,111 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 316 treesize of output 323 [2022-11-22 01:49:18,382 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 41 treesize of output 37 [2022-11-22 01:49:18,509 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 6 treesize of output 5 [2022-11-22 01:49:18,526 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 [2022-11-22 01:49:18,668 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 41 treesize of output 37 [2022-11-22 01:49:18,787 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 41 treesize of output 37 [2022-11-22 01:49:21,060 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 6 treesize of output 5 [2022-11-22 01:49:21,138 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 [2022-11-22 01:49:21,421 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:49:21,442 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 01:49:21,442 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 01:49:21,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:49:21,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:49:21,953 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:49:21,954 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:49:21,977 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-22 01:49:21,977 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-22 01:49:22,318 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:49:22,340 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 01:49:22,340 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 01:49:23,406 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 6 treesize of output 5 [2022-11-22 01:49:23,574 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 15 treesize of output 11 [2022-11-22 01:49:23,715 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 [2022-11-22 01:49:24,357 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:49:24,382 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 01:49:24,382 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 01:49:25,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:49:25,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:49:25,420 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:49:25,421 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:49:25,450 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-22 01:49:25,450 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-22 01:49:26,053 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:49:26,078 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 01:49:26,078 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 01:49:26,612 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 15 treesize of output 11 [2022-11-22 01:49:27,214 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:49:27,242 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 01:49:27,243 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 01:49:28,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:49:28,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:49:28,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:49:28,602 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:49:28,603 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:49:28,632 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-22 01:49:28,633 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-22 01:49:29,330 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:49:29,358 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 01:49:29,358 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 01:49:30,072 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:49:30,102 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 01:49:30,102 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 01:49:31,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:49:31,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:49:31,647 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:49:31,647 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:49:31,679 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-22 01:49:31,679 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 101 treesize of output 106 [2022-11-22 01:49:32,333 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:49:32,359 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 01:49:32,360 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 01:49:32,756 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-22 01:49:32,757 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 11 [2022-11-22 01:49:42,440 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 6 treesize of output 5 [2022-11-22 01:49:42,633 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 [2022-11-22 01:49:43,907 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:49:43,940 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 01:49:43,940 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 01:49:44,283 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:49:44,305 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 01:49:44,305 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 01:49:45,191 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 15 treesize of output 11 [2022-11-22 01:49:45,601 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 6 treesize of output 5 [2022-11-22 01:49:45,729 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 [2022-11-22 01:49:46,392 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:49:46,417 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 01:49:46,417 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 01:49:47,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:49:47,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:49:47,392 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:49:47,393 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:49:47,422 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-22 01:49:47,422 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-22 01:49:47,983 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:49:48,009 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 01:49:48,009 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 01:49:48,572 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 15 treesize of output 11 [2022-11-22 01:49:49,242 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:49:49,270 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 01:49:49,270 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 01:49:50,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:49:50,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:49:50,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:49:50,522 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:49:50,523 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:49:50,554 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-22 01:49:50,554 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-22 01:49:51,337 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:49:51,365 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 01:49:51,365 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 01:49:51,951 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:49:51,979 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-11-22 01:49:51,979 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 15 [2022-11-22 01:49:53,247 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:49:53,248 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:49:53,322 INFO L321 Elim1Store]: treesize reduction 94, result has 36.5 percent of original size [2022-11-22 01:49:53,322 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 82 treesize of output 113 [2022-11-22 01:49:54,170 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:49:54,197 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 01:49:54,198 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 01:49:54,621 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-22 01:49:54,621 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 11 [2022-11-22 01:50:04,316 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 [2022-11-22 01:50:04,558 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 6 treesize of output 5 [2022-11-22 01:50:05,772 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:50:05,805 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 01:50:05,805 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 01:50:06,184 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:50:06,205 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 01:50:06,205 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 01:50:07,153 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 [2022-11-22 01:50:07,356 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 6 treesize of output 5 [2022-11-22 01:50:07,638 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 15 treesize of output 11 [2022-11-22 01:50:08,209 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:50:08,235 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 01:50:08,235 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 01:50:09,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:09,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:09,312 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:50:09,313 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:50:09,339 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-22 01:50:09,340 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-22 01:50:09,840 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:50:09,866 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 01:50:09,866 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 01:50:10,485 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 15 treesize of output 11 [2022-11-22 01:50:11,110 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:50:11,137 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 01:50:11,138 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 01:50:12,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:12,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:12,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:12,394 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:50:12,395 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:50:12,434 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-22 01:50:12,434 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-22 01:50:13,042 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:50:13,070 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 01:50:13,070 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 01:50:13,819 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:50:13,846 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-11-22 01:50:13,847 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 15 [2022-11-22 01:50:15,211 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:50:15,212 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:50:15,280 INFO L321 Elim1Store]: treesize reduction 104, result has 29.7 percent of original size [2022-11-22 01:50:15,281 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 82 treesize of output 103 [2022-11-22 01:50:15,970 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:50:15,998 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 01:50:15,998 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 01:50:16,448 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-22 01:50:16,449 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 11 [2022-11-22 01:50:37,023 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 14 for LOIs [2022-11-22 01:50:37,025 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-22 01:50:52,286 WARN L233 SmtUtils]: Spent 11.57s on a formula simplification. DAG size of input: 634 DAG size of output: 458 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-22 01:51:12,782 WARN L233 SmtUtils]: Spent 20.02s on a formula simplification. DAG size of input: 550 DAG size of output: 518 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-22 01:51:31,485 WARN L233 SmtUtils]: Spent 9.32s on a formula simplification. DAG size of input: 431 DAG size of output: 431 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-22 01:51:45,750 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '4871#(and (<= 0 |ULTIMATE.start_main_~var_99~0#1|) (<= 1 |ULTIMATE.start_main_~init_110_arg_1~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_40~0#1| 127) (<= 2 |ULTIMATE.start_main_~msb_SORT_5~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_36~0#1| 31) (<= |ULTIMATE.start_main_~msb_SORT_5~0#1| 2) (<= 0 |ULTIMATE.start_main_~var_23~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_3~0#1| 32768) (<= |ULTIMATE.start_main_~var_100_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_111_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_104~0#1| 1) (<= 1 |ULTIMATE.start_main_~var_107~0#1|) (<= 0 |#NULL.base|) (<= |ULTIMATE.start_main_~var_79~0#1| 1) (<= 31 |ULTIMATE.start_main_~mask_SORT_36~0#1|) (<= |ULTIMATE.start_main_~var_118_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_57~0#1|) (<= |ULTIMATE.start_main_~var_107~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_142_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_52~0#1|) (<= |ULTIMATE.start_main_~var_50_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~msb_SORT_11~0#1| 128) (<= |ULTIMATE.start_main_~var_108~0#1| 0) (<= |ULTIMATE.start_main_~var_228~0#1| 2) (<= |ULTIMATE.start_main_~var_140_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_105_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_181~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_75~0#1|) (<= 0 |ULTIMATE.start_main_~i~1#1|) (<= |ULTIMATE.start_main_~var_99~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_21_arg_0~0#1.base|) (<= |ULTIMATE.start_main_~msb_SORT_227~0#1| 2147483648) (<= |ULTIMATE.start_main_~#state_14~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_142_arg_0~0#1| 1) (<= 16 |ULTIMATE.start_main_~msb_SORT_36~0#1|) (<= 0 |ULTIMATE.start_main_~var_88~0#1|) (<= |ULTIMATE.start_main_~var_105_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~var_115_arg_0~0#1| 1) (<= 128 |ULTIMATE.start_main_~msb_SORT_11~0#1|) (<= |ULTIMATE.start_main_~var_76_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~var_57~0#1| 1) (or (and (<= 1 |ULTIMATE.start_main_~var_140_arg_0~0#1|) (<= 1 |ULTIMATE.start_main_~state_109~0#1|) (<= 1 |ULTIMATE.start_main_~var_111_arg_0~0#1|)) (and (<= 0 |ULTIMATE.start_main_~var_435_arg_0~0#1.offset|) (<= |ULTIMATE.start_main_~var_436~0#1| 1) (<= |ULTIMATE.start_main_~var_415~0#1| 1) (<= |ULTIMATE.start_main_~var_419_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_211~0#1|) (<= |ULTIMATE.start_main_~var_415_arg_0~0#1| 255) (<= 0 |ULTIMATE.start_main_~var_150_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_448_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_437_arg_2~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_47_arg_0~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_415~0#1|) (<= 0 |ULTIMATE.start_main_~var_206~0#1|) (<= |ULTIMATE.start_main_~var_448_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_199_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_150_arg_0~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_111_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_211~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_216~0#1|) (<= 0 |ULTIMATE.start_main_~var_430_arg_0~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_435_arg_0~0#1.base|) (<= |ULTIMATE.start_main_~var_416_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_406_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_206~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_419_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_18_arg_0~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_416_arg_1~0#1.base|) (<= |ULTIMATE.start_main_~var_437_arg_2~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_212_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_431_arg_0~0#1| 255) (<= 0 |ULTIMATE.start_main_~var_428_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_414_arg_0~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_437~0#1.base|) (<= |ULTIMATE.start_main_~var_445_arg_1~0#1| 0) (<= 1 |ULTIMATE.start_main_~var_442_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_416_arg_2~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_425_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_416_arg_2~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_182_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~i~2#1|) (<= 0 |ULTIMATE.start_main_~var_437_arg_1~0#1.offset|) (<= |ULTIMATE.start_main_~var_207_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~var_111_arg_0~0#1| 0) (<= |ULTIMATE.start_main_~var_428_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_140_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_416~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_406_arg_1~0#1|) (<= 255 |ULTIMATE.start_main_~var_433_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_433_arg_1~0#1| 255) (<= 0 |ULTIMATE.start_main_~var_414_arg_0~0#1.base|) (<= |ULTIMATE.start_main_~var_435_arg_0~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_437_arg_2~0#1.offset|) (<= |ULTIMATE.start_main_~var_410_arg_0~0#1| 255) (<= 0 |ULTIMATE.start_main_~next_438_arg_1~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_416_arg_1~0#1.offset|) (<= |ULTIMATE.start_main_~var_437_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_409_arg_0~0#1.offset|) (<= |ULTIMATE.start_main_~next_438_arg_1~0#1.offset| 0) (<= |ULTIMATE.start_main_~state_109~0#1| 0) (<= |ULTIMATE.start_main_~var_212_arg_1~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_437~0#1.offset|) (<= |ULTIMATE.start_main_~next_453_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_140_arg_0~0#1| 0) (<= |ULTIMATE.start_main_~var_416~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_416_arg_1~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_445_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_440_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_47_arg_0~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_437_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_403_arg_1~0#1|) (<= 255 |ULTIMATE.start_main_~var_431_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_443_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_416~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_422_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_216~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_440_arg_1~0#1|) (<= 255 |ULTIMATE.start_main_~var_436_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_18_arg_0~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_430_arg_0~0#1.offset|) (<= |ULTIMATE.start_main_~var_422_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_416_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_451_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_430_arg_0~0#1.offset| 0) (<= 255 |ULTIMATE.start_main_~var_412_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_182_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~next_453_arg_1~0#1|) (<= 255 |ULTIMATE.start_main_~var_415_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_47_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~next_417_arg_1~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_409_arg_0~0#1.base|) (<= |ULTIMATE.start_main_~var_437~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_437_arg_1~0#1.base|) (<= |ULTIMATE.start_main_~var_409_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_421_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_425_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_207_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~next_417_arg_1~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_421_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~i~3#1|) (<= |ULTIMATE.start_main_~var_18_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_436_arg_0~0#1| 255) (<= 255 |ULTIMATE.start_main_~var_410_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_412_arg_1~0#1| 255) (<= |ULTIMATE.start_main_~var_442_arg_1~0#1| 1) (<= 0 |ULTIMATE.start_main_~state_109~0#1|) (<= 0 |ULTIMATE.start_main_~var_436~0#1|) (<= 0 |ULTIMATE.start_main_~next_438_arg_1~0#1.base|) (<= |ULTIMATE.start_main_~var_443_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_451_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_414_arg_0~0#1.offset|) (<= |ULTIMATE.start_main_~var_437_arg_1~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~i~5#1|) (<= |ULTIMATE.start_main_~var_416_arg_2~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_403_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~next_417_arg_1~0#1.base|) (<= 0 |ULTIMATE.start_main_~i~4#1|) (<= |ULTIMATE.start_main_~var_199_arg_1~0#1| 0))) (<= 0 |ULTIMATE.start_main_~var_89_arg_1~0#1|) (<= 4 |ULTIMATE.start_main_~msb_SORT_12~0#1|) (<= |ULTIMATE.start_main_~var_98_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_137_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_30_arg_1~0#1|) (<= |ULTIMATE.start_main_~#state_44~0#1.offset| 0) (<= 127 |ULTIMATE.start_main_~mask_SORT_40~0#1|) (<= 1 |ULTIMATE.start_main_~var_130_arg_0~0#1|) (<= (+ |ULTIMATE.start_main_~mask_SORT_227~0#1| 1) 0) (<= |ULTIMATE.start_main_~var_58_arg_1~0#1| 1) (<= |#NULL.offset| 0) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= |ULTIMATE.start_main_~var_111_arg_2~0#1| 1) (<= |ULTIMATE.start_main_~var_29~0#1| 1) (<= |ULTIMATE.start_main_~var_80_arg_1~0#1| 1) (<= 32 |ULTIMATE.start_main_~msb_SORT_38~0#1|) (<= |ULTIMATE.start_main_~var_141_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~#state_14~0#1.base|) (<= 64 |ULTIMATE.start_main_~msb_SORT_40~0#1|) (<= |ULTIMATE.start_main_~state_109~0#1| 1) (<= 2 |ULTIMATE.start_main_~var_228~0#1|) (<= 8 |ULTIMATE.start_main_~var_27~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_12~0#1| 4) (<= |ULTIMATE.start_main_~var_75~0#1| 1) (<= 1 |ULTIMATE.start_main_~var_124_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_76_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_181~0#1|) (<= 1 |ULTIMATE.start_main_~mask_SORT_1~0#1|) (<= 15 |ULTIMATE.start_main_~mask_SORT_15~0#1|) (<= |ULTIMATE.start_main_~var_89_arg_1~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_140~0#1|) (<= |ULTIMATE.start_main_~var_80_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~init_110_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~msb_SORT_40~0#1| 64) (<= |ULTIMATE.start_main_~var_27~0#1| 8) (<= 0 |ULTIMATE.start_main_~var_29~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_5~0#1| 3) (<= |ULTIMATE.start_main_~mask_SORT_15~0#1| 15) (<= |ULTIMATE.start_main_~var_97~0#1| 0) (<= |ULTIMATE.start_main_~mask_SORT_38~0#1| 63) (<= 1 |ULTIMATE.start_main_~var_141_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_100_arg_0~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_38~0#1| 32) (<= 0 (+ |ULTIMATE.start_main_~mask_SORT_227~0#1| 1)) (<= |ULTIMATE.start_main_~var_24_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_104~0#1|) (<= 0 |ULTIMATE.start_main_~var_24_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~var_30_arg_1~0#1| 1) (<= 63 |ULTIMATE.start_main_~mask_SORT_38~0#1|) (<= 0 |ULTIMATE.start_main_~var_76_arg_0~0#1|) (<= 7 |ULTIMATE.start_main_~mask_SORT_12~0#1|) (<= 0 |ULTIMATE.start_main_~var_80_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_111_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_124_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_98_arg_1~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_36~0#1| 16) (<= 255 |ULTIMATE.start_main_~mask_SORT_11~0#1|) (<= 2147483648 |ULTIMATE.start_main_~msb_SORT_227~0#1|) (<= 255 |ULTIMATE.start_main_~var_408~0#1|) (<= |ULTIMATE.start_main_~var_23~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_50_arg_0~0#1.offset|) (<= |ULTIMATE.start_main_~var_130_arg_0~0#1| 1) (<= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 1) (<= |#NULL.base| 0) (<= 0 |ULTIMATE.start_main_~var_80_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_21_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_140~0#1| 1) (<= |ULTIMATE.start_main_~var_121_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_52~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_111_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_115_arg_0~0#1|) (<= 65535 |ULTIMATE.start_main_~mask_SORT_3~0#1|) (<= 0 |ULTIMATE.start_main_~var_97~0#1|) (<= 1 |ULTIMATE.start_main_~msb_SORT_1~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_11~0#1| 255) (<= 0 |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (<= 0 |ULTIMATE.start_main_~var_50_arg_0~0#1.base|) (<= 1 |ULTIMATE.start_main_~var_137_arg_0~0#1|) (<= 1 |ULTIMATE.start_main_~var_118_arg_0~0#1|) (<= 32768 |ULTIMATE.start_main_~msb_SORT_3~0#1|) (<= 0 |ULTIMATE.start_main_~#state_44~0#1.offset|) (<= 3 |ULTIMATE.start_main_~mask_SORT_5~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_15~0#1| 8) (<= 0 |ULTIMATE.start_main_~var_108~0#1|) (<= 0 |#NULL.offset|) (<= 0 |ULTIMATE.start_main_~var_79~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_1~0#1| 1) (<= |ULTIMATE.start_main_~var_408~0#1| 255) (<= 8 |ULTIMATE.start_main_~msb_SORT_15~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_3~0#1| 65535) (<= 0 |ULTIMATE.start_main_~#state_14~0#1.offset|) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_main_~var_76_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_58_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_53_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_21_arg_0~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_121_arg_0~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_1~0#1| 1) (<= |ULTIMATE.start_main_~mask_SORT_12~0#1| 7) (<= 0 |ULTIMATE.start_main_~#state_44~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_53_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_88~0#1| 1) (<= 1 |ULTIMATE.start_main_~var_111_arg_2~0#1|))' at error location [2022-11-22 01:51:45,750 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-22 01:51:45,750 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-22 01:51:45,750 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 12, 7] total 19 [2022-11-22 01:51:45,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346223100] [2022-11-22 01:51:45,751 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-22 01:51:45,751 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-11-22 01:51:45,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:51:45,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-11-22 01:51:45,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=188, Invalid=1372, Unknown=0, NotChecked=0, Total=1560 [2022-11-22 01:51:45,753 INFO L87 Difference]: Start difference. First operand 53 states and 68 transitions. Second operand has 19 states, 19 states have (on average 2.3684210526315788) internal successors, (45), 19 states have internal predecessors, (45), 1 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-11-22 01:51:48,190 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:51:48,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:51:48,780 INFO L93 Difference]: Finished difference Result 103 states and 137 transitions. [2022-11-22 01:51:48,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-22 01:51:48,781 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 2.3684210526315788) internal successors, (45), 19 states have internal predecessors, (45), 1 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 70 [2022-11-22 01:51:48,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:51:48,781 INFO L225 Difference]: With dead ends: 103 [2022-11-22 01:51:48,781 INFO L226 Difference]: Without dead ends: 58 [2022-11-22 01:51:48,782 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 178 SyntacticMatches, 1 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 280 ImplicationChecksByTransitivity, 69.0s TimeCoverageRelationStatistics Valid=208, Invalid=1514, Unknown=0, NotChecked=0, Total=1722 [2022-11-22 01:51:48,783 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 0 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 221 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 180 SdHoareTripleChecker+Invalid, 235 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 221 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-11-22 01:51:48,783 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 180 Invalid, 235 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 221 Invalid, 1 Unknown, 0 Unchecked, 2.9s Time] [2022-11-22 01:51:48,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2022-11-22 01:51:48,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2022-11-22 01:51:48,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 46 states have (on average 1.1521739130434783) internal successors, (53), 46 states have internal predecessors, (53), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2022-11-22 01:51:48,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 73 transitions. [2022-11-22 01:51:48,793 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 73 transitions. Word has length 70 [2022-11-22 01:51:48,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:51:48,793 INFO L495 AbstractCegarLoop]: Abstraction has 58 states and 73 transitions. [2022-11-22 01:51:48,794 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 2.3684210526315788) internal successors, (45), 19 states have internal predecessors, (45), 1 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-11-22 01:51:48,794 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 73 transitions. [2022-11-22 01:51:48,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-11-22 01:51:48,795 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:51:48,795 INFO L195 NwaCegarLoop]: trace histogram [10, 8, 7, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:51:48,812 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78aeab62-3db9-4c39-b865-affc36f4020e/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-11-22 01:51:49,007 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78aeab62-3db9-4c39-b865-affc36f4020e/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-11-22 01:51:49,007 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:51:49,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:51:49,007 INFO L85 PathProgramCache]: Analyzing trace with hash -1212447786, now seen corresponding path program 4 times [2022-11-22 01:51:49,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:51:49,008 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1436652908] [2022-11-22 01:51:49,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:51:49,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:51:49,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:51:50,204 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2022-11-22 01:51:50,204 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:51:50,205 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1436652908] [2022-11-22 01:51:50,205 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1436652908] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 01:51:50,205 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [933284745] [2022-11-22 01:51:50,205 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-11-22 01:51:50,205 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:51:50,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78aeab62-3db9-4c39-b865-affc36f4020e/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:51:50,207 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78aeab62-3db9-4c39-b865-affc36f4020e/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 01:51:50,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78aeab62-3db9-4c39-b865-affc36f4020e/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-11-22 01:51:51,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:51:51,248 INFO L263 TraceCheckSpWp]: Trace formula consists of 2148 conjuncts, 34 conjunts are in the unsatisfiable core [2022-11-22 01:51:51,253 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:51:51,303 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2022-11-22 01:51:51,303 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 01:51:51,737 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-22 01:51:51,737 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [933284745] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 01:51:51,737 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [427053415] [2022-11-22 01:51:51,741 INFO L159 IcfgInterpreter]: Started Sifa with 24 locations of interest [2022-11-22 01:51:51,741 INFO L166 IcfgInterpreter]: Building call graph [2022-11-22 01:51:51,742 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-22 01:51:51,742 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-22 01:51:51,742 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-22 01:51:51,776 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 6 treesize of output 5 [2022-11-22 01:51:51,795 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 17 [2022-11-22 01:51:51,823 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 35 treesize of output 31 [2022-11-22 01:51:51,977 INFO L321 Elim1Store]: treesize reduction 41, result has 26.8 percent of original size [2022-11-22 01:51:51,977 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 316 treesize of output 323 [2022-11-22 01:51:52,193 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 41 treesize of output 37 [2022-11-22 01:51:52,218 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 [2022-11-22 01:51:52,229 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 6 treesize of output 5 [2022-11-22 01:51:52,267 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 41 treesize of output 37 [2022-11-22 01:51:52,405 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 41 treesize of output 37 [2022-11-22 01:51:52,475 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 41 treesize of output 37 [2022-11-22 01:51:54,798 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 6 treesize of output 5 [2022-11-22 01:51:54,882 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 [2022-11-22 01:51:55,146 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:51:55,168 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 01:51:55,168 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 01:51:55,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:51:55,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:51:55,712 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:51:55,713 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:51:55,736 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-22 01:51:55,736 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-22 01:51:56,097 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:51:56,118 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 01:51:56,119 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 01:51:57,080 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 6 treesize of output 5 [2022-11-22 01:51:57,287 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 15 treesize of output 11 [2022-11-22 01:51:57,441 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 [2022-11-22 01:51:58,061 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:51:58,086 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 01:51:58,086 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 01:51:59,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:51:59,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:51:59,098 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:51:59,099 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:51:59,126 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-22 01:51:59,126 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-22 01:51:59,756 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:51:59,782 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 01:51:59,783 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 01:52:00,321 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 15 treesize of output 11 [2022-11-22 01:52:00,930 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:52:00,958 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 01:52:00,958 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 01:52:02,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:52:02,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:52:02,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:52:02,220 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:52:02,221 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:52:02,255 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-22 01:52:02,255 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-22 01:52:02,922 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:52:02,951 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 01:52:02,951 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 01:52:03,680 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:52:03,709 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 01:52:03,710 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 01:52:05,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:52:05,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:52:05,088 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:52:05,089 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:52:05,122 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-22 01:52:05,122 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 101 treesize of output 106 [2022-11-22 01:52:05,865 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:52:05,893 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 01:52:05,893 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 01:52:06,289 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-22 01:52:06,289 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 11 [2022-11-22 01:52:16,105 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 6 treesize of output 5 [2022-11-22 01:52:16,282 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 [2022-11-22 01:52:17,122 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:52:17,154 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 01:52:17,154 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 01:52:17,952 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:52:17,973 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 01:52:17,974 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 01:52:18,919 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 [2022-11-22 01:52:19,075 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 6 treesize of output 5 [2022-11-22 01:52:19,369 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 15 treesize of output 11 [2022-11-22 01:52:20,029 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:52:20,054 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 01:52:20,055 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 01:52:21,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:52:21,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:52:21,165 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:52:21,165 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:52:21,193 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-22 01:52:21,193 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-22 01:52:21,703 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:52:21,729 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 01:52:21,730 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 01:52:22,360 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 15 treesize of output 11 [2022-11-22 01:52:22,951 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:52:22,979 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 01:52:22,979 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 01:52:24,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:52:24,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:52:24,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:52:24,210 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:52:24,210 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:52:24,240 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-22 01:52:24,241 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-22 01:52:24,926 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:52:24,953 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 01:52:24,954 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 01:52:25,562 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:52:25,589 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-11-22 01:52:25,589 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 15 [2022-11-22 01:52:26,900 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:52:26,901 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:52:26,970 INFO L321 Elim1Store]: treesize reduction 104, result has 29.7 percent of original size [2022-11-22 01:52:26,970 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 82 treesize of output 103 [2022-11-22 01:52:27,790 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:52:27,817 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 01:52:27,818 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 01:52:28,221 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-22 01:52:28,221 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 11 [2022-11-22 01:52:37,976 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 [2022-11-22 01:52:38,217 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 6 treesize of output 5 [2022-11-22 01:52:39,432 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:52:39,463 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 01:52:39,463 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 01:52:39,836 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:52:39,857 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 01:52:39,858 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 01:52:40,742 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 6 treesize of output 5 [2022-11-22 01:52:41,129 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 [2022-11-22 01:52:41,304 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 15 treesize of output 11 [2022-11-22 01:52:41,881 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:52:41,907 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 01:52:41,908 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 01:52:42,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:52:42,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:52:42,961 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:52:42,961 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:52:42,992 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-22 01:52:42,992 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-22 01:52:43,492 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:52:43,518 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 01:52:43,518 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 01:52:44,034 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 15 treesize of output 11 [2022-11-22 01:52:44,622 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:52:44,650 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 01:52:44,651 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 01:52:45,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:52:45,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:52:45,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:52:45,961 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:52:45,961 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:52:45,991 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-22 01:52:45,992 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-22 01:52:46,761 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:52:46,789 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 01:52:46,789 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 01:52:47,447 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:52:47,475 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 01:52:47,475 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 01:52:48,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:52:48,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:52:48,829 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:52:48,830 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:52:48,861 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-22 01:52:48,861 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 101 treesize of output 106 [2022-11-22 01:52:49,628 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:52:49,656 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 01:52:49,657 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 01:52:50,040 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-22 01:52:50,041 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 11 [2022-11-22 01:53:10,898 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 14 for LOIs [2022-11-22 01:53:10,900 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-22 01:53:24,671 WARN L233 SmtUtils]: Spent 10.06s on a formula simplification. DAG size of input: 634 DAG size of output: 454 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-22 01:53:39,694 WARN L233 SmtUtils]: Spent 14.37s on a formula simplification. DAG size of input: 550 DAG size of output: 512 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-22 01:53:59,118 WARN L233 SmtUtils]: Spent 9.41s on a formula simplification. DAG size of input: 431 DAG size of output: 431 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-22 01:54:13,838 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '5639#(and (<= 0 |ULTIMATE.start_main_~var_99~0#1|) (<= 1 |ULTIMATE.start_main_~init_110_arg_1~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_40~0#1| 127) (<= 2 |ULTIMATE.start_main_~msb_SORT_5~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_36~0#1| 31) (<= |ULTIMATE.start_main_~msb_SORT_5~0#1| 2) (<= 0 |ULTIMATE.start_main_~var_23~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_3~0#1| 32768) (<= |ULTIMATE.start_main_~var_100_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_111_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_104~0#1| 1) (<= 1 |ULTIMATE.start_main_~var_107~0#1|) (<= 0 |#NULL.base|) (<= |ULTIMATE.start_main_~var_79~0#1| 1) (<= 31 |ULTIMATE.start_main_~mask_SORT_36~0#1|) (<= |ULTIMATE.start_main_~var_118_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_57~0#1|) (<= |ULTIMATE.start_main_~var_107~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_142_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_52~0#1|) (<= |ULTIMATE.start_main_~var_50_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~msb_SORT_11~0#1| 128) (<= |ULTIMATE.start_main_~var_108~0#1| 0) (<= |ULTIMATE.start_main_~var_228~0#1| 2) (<= |ULTIMATE.start_main_~var_140_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_105_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_181~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_75~0#1|) (<= 0 |ULTIMATE.start_main_~i~1#1|) (<= |ULTIMATE.start_main_~var_99~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_21_arg_0~0#1.base|) (<= |ULTIMATE.start_main_~msb_SORT_227~0#1| 2147483648) (<= |ULTIMATE.start_main_~#state_14~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_142_arg_0~0#1| 1) (<= 16 |ULTIMATE.start_main_~msb_SORT_36~0#1|) (<= 0 |ULTIMATE.start_main_~var_88~0#1|) (<= |ULTIMATE.start_main_~var_105_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~var_115_arg_0~0#1| 1) (<= 128 |ULTIMATE.start_main_~msb_SORT_11~0#1|) (<= |ULTIMATE.start_main_~var_76_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~var_57~0#1| 1) (or (and (<= 1 |ULTIMATE.start_main_~var_140_arg_0~0#1|) (<= 1 |ULTIMATE.start_main_~state_109~0#1|) (<= 1 |ULTIMATE.start_main_~var_111_arg_0~0#1|)) (and (<= 0 |ULTIMATE.start_main_~var_435_arg_0~0#1.offset|) (<= |ULTIMATE.start_main_~var_436~0#1| 1) (<= |ULTIMATE.start_main_~var_415~0#1| 1) (<= |ULTIMATE.start_main_~var_419_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_211~0#1|) (<= |ULTIMATE.start_main_~var_415_arg_0~0#1| 255) (<= 0 |ULTIMATE.start_main_~var_150_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_448_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_437_arg_2~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_47_arg_0~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_415~0#1|) (<= 0 |ULTIMATE.start_main_~var_206~0#1|) (<= |ULTIMATE.start_main_~var_448_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_199_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_150_arg_0~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_111_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_211~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_216~0#1|) (<= 0 |ULTIMATE.start_main_~var_430_arg_0~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_435_arg_0~0#1.base|) (<= |ULTIMATE.start_main_~var_416_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_406_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_206~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_419_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_18_arg_0~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_416_arg_1~0#1.base|) (<= |ULTIMATE.start_main_~var_437_arg_2~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_212_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_431_arg_0~0#1| 255) (<= 0 |ULTIMATE.start_main_~var_428_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_414_arg_0~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_437~0#1.base|) (<= |ULTIMATE.start_main_~var_445_arg_1~0#1| 0) (<= 1 |ULTIMATE.start_main_~var_442_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_416_arg_2~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_425_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_416_arg_2~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_182_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~i~2#1|) (<= 0 |ULTIMATE.start_main_~var_437_arg_1~0#1.offset|) (<= |ULTIMATE.start_main_~var_207_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~var_111_arg_0~0#1| 0) (<= |ULTIMATE.start_main_~var_428_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_140_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_416~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_406_arg_1~0#1|) (<= 255 |ULTIMATE.start_main_~var_433_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_433_arg_1~0#1| 255) (<= 0 |ULTIMATE.start_main_~var_414_arg_0~0#1.base|) (<= |ULTIMATE.start_main_~var_435_arg_0~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_437_arg_2~0#1.offset|) (<= |ULTIMATE.start_main_~var_410_arg_0~0#1| 255) (<= 0 |ULTIMATE.start_main_~next_438_arg_1~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_416_arg_1~0#1.offset|) (<= |ULTIMATE.start_main_~var_437_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_409_arg_0~0#1.offset|) (<= |ULTIMATE.start_main_~next_438_arg_1~0#1.offset| 0) (<= |ULTIMATE.start_main_~state_109~0#1| 0) (<= |ULTIMATE.start_main_~var_212_arg_1~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_437~0#1.offset|) (<= |ULTIMATE.start_main_~next_453_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_140_arg_0~0#1| 0) (<= |ULTIMATE.start_main_~var_416~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_416_arg_1~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_445_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_440_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_47_arg_0~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_437_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_403_arg_1~0#1|) (<= 255 |ULTIMATE.start_main_~var_431_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_443_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_416~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_422_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_216~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_440_arg_1~0#1|) (<= 255 |ULTIMATE.start_main_~var_436_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_18_arg_0~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_430_arg_0~0#1.offset|) (<= |ULTIMATE.start_main_~var_422_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_416_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_451_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_430_arg_0~0#1.offset| 0) (<= 255 |ULTIMATE.start_main_~var_412_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_182_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~next_453_arg_1~0#1|) (<= 255 |ULTIMATE.start_main_~var_415_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_47_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~next_417_arg_1~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_409_arg_0~0#1.base|) (<= |ULTIMATE.start_main_~var_437~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_437_arg_1~0#1.base|) (<= |ULTIMATE.start_main_~var_409_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_421_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_425_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_207_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~next_417_arg_1~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_421_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~i~3#1|) (<= |ULTIMATE.start_main_~var_18_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_436_arg_0~0#1| 255) (<= 255 |ULTIMATE.start_main_~var_410_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_412_arg_1~0#1| 255) (<= |ULTIMATE.start_main_~var_442_arg_1~0#1| 1) (<= 0 |ULTIMATE.start_main_~state_109~0#1|) (<= 0 |ULTIMATE.start_main_~var_436~0#1|) (<= 0 |ULTIMATE.start_main_~next_438_arg_1~0#1.base|) (<= |ULTIMATE.start_main_~var_443_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_451_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_414_arg_0~0#1.offset|) (<= |ULTIMATE.start_main_~var_437_arg_1~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~i~5#1|) (<= |ULTIMATE.start_main_~var_416_arg_2~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_403_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~next_417_arg_1~0#1.base|) (<= 0 |ULTIMATE.start_main_~i~4#1|) (<= |ULTIMATE.start_main_~var_199_arg_1~0#1| 0))) (<= 0 |ULTIMATE.start_main_~var_89_arg_1~0#1|) (<= 4 |ULTIMATE.start_main_~msb_SORT_12~0#1|) (<= |ULTIMATE.start_main_~var_98_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_137_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_30_arg_1~0#1|) (<= |ULTIMATE.start_main_~#state_44~0#1.offset| 0) (<= 127 |ULTIMATE.start_main_~mask_SORT_40~0#1|) (<= 1 |ULTIMATE.start_main_~var_130_arg_0~0#1|) (<= (+ |ULTIMATE.start_main_~mask_SORT_227~0#1| 1) 0) (<= |ULTIMATE.start_main_~var_58_arg_1~0#1| 1) (<= |#NULL.offset| 0) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= |ULTIMATE.start_main_~var_111_arg_2~0#1| 1) (<= |ULTIMATE.start_main_~var_29~0#1| 1) (<= |ULTIMATE.start_main_~var_80_arg_1~0#1| 1) (<= 32 |ULTIMATE.start_main_~msb_SORT_38~0#1|) (<= |ULTIMATE.start_main_~var_141_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~#state_14~0#1.base|) (<= 64 |ULTIMATE.start_main_~msb_SORT_40~0#1|) (<= |ULTIMATE.start_main_~state_109~0#1| 1) (<= 2 |ULTIMATE.start_main_~var_228~0#1|) (<= 8 |ULTIMATE.start_main_~var_27~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_12~0#1| 4) (<= |ULTIMATE.start_main_~var_75~0#1| 1) (<= 1 |ULTIMATE.start_main_~var_124_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_76_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_181~0#1|) (<= 1 |ULTIMATE.start_main_~mask_SORT_1~0#1|) (<= 15 |ULTIMATE.start_main_~mask_SORT_15~0#1|) (<= |ULTIMATE.start_main_~var_89_arg_1~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_140~0#1|) (<= |ULTIMATE.start_main_~var_80_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~init_110_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~msb_SORT_40~0#1| 64) (<= |ULTIMATE.start_main_~var_27~0#1| 8) (<= 0 |ULTIMATE.start_main_~var_29~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_5~0#1| 3) (<= |ULTIMATE.start_main_~mask_SORT_15~0#1| 15) (<= |ULTIMATE.start_main_~var_97~0#1| 0) (<= |ULTIMATE.start_main_~mask_SORT_38~0#1| 63) (<= 1 |ULTIMATE.start_main_~var_141_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_100_arg_0~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_38~0#1| 32) (<= 0 (+ |ULTIMATE.start_main_~mask_SORT_227~0#1| 1)) (<= |ULTIMATE.start_main_~var_24_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_104~0#1|) (<= 0 |ULTIMATE.start_main_~var_24_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~var_30_arg_1~0#1| 1) (<= 63 |ULTIMATE.start_main_~mask_SORT_38~0#1|) (<= 0 |ULTIMATE.start_main_~var_76_arg_0~0#1|) (<= 7 |ULTIMATE.start_main_~mask_SORT_12~0#1|) (<= 0 |ULTIMATE.start_main_~var_80_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_111_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_124_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_98_arg_1~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_36~0#1| 16) (<= 255 |ULTIMATE.start_main_~mask_SORT_11~0#1|) (<= 2147483648 |ULTIMATE.start_main_~msb_SORT_227~0#1|) (<= 255 |ULTIMATE.start_main_~var_408~0#1|) (<= |ULTIMATE.start_main_~var_23~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_50_arg_0~0#1.offset|) (<= |ULTIMATE.start_main_~var_130_arg_0~0#1| 1) (<= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 1) (<= |#NULL.base| 0) (<= 0 |ULTIMATE.start_main_~var_80_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_21_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_140~0#1| 1) (<= |ULTIMATE.start_main_~var_121_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_52~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_111_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_115_arg_0~0#1|) (<= 65535 |ULTIMATE.start_main_~mask_SORT_3~0#1|) (<= 0 |ULTIMATE.start_main_~var_97~0#1|) (<= 1 |ULTIMATE.start_main_~msb_SORT_1~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_11~0#1| 255) (<= 0 |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (<= 0 |ULTIMATE.start_main_~var_50_arg_0~0#1.base|) (<= 1 |ULTIMATE.start_main_~var_137_arg_0~0#1|) (<= 1 |ULTIMATE.start_main_~var_118_arg_0~0#1|) (<= 32768 |ULTIMATE.start_main_~msb_SORT_3~0#1|) (<= 0 |ULTIMATE.start_main_~#state_44~0#1.offset|) (<= 3 |ULTIMATE.start_main_~mask_SORT_5~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_15~0#1| 8) (<= 0 |ULTIMATE.start_main_~var_108~0#1|) (<= 0 |#NULL.offset|) (<= 0 |ULTIMATE.start_main_~var_79~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_1~0#1| 1) (<= |ULTIMATE.start_main_~var_408~0#1| 255) (<= 8 |ULTIMATE.start_main_~msb_SORT_15~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_3~0#1| 65535) (<= 0 |ULTIMATE.start_main_~#state_14~0#1.offset|) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_main_~var_76_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_58_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_53_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_21_arg_0~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_121_arg_0~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_1~0#1| 1) (<= |ULTIMATE.start_main_~mask_SORT_12~0#1| 7) (<= 0 |ULTIMATE.start_main_~#state_44~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_53_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_88~0#1| 1) (<= 1 |ULTIMATE.start_main_~var_111_arg_2~0#1|))' at error location [2022-11-22 01:54:13,838 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-22 01:54:13,839 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-22 01:54:13,839 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 18] total 27 [2022-11-22 01:54:13,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [713365801] [2022-11-22 01:54:13,839 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-22 01:54:13,840 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-11-22 01:54:13,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:54:13,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-11-22 01:54:13,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=219, Invalid=2037, Unknown=0, NotChecked=0, Total=2256 [2022-11-22 01:54:13,842 INFO L87 Difference]: Start difference. First operand 58 states and 73 transitions. Second operand has 27 states, 27 states have (on average 1.8518518518518519) internal successors, (50), 27 states have internal predecessors, (50), 1 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-11-22 01:54:15,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:54:15,529 INFO L93 Difference]: Finished difference Result 108 states and 138 transitions. [2022-11-22 01:54:15,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-22 01:54:15,530 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 1.8518518518518519) internal successors, (50), 27 states have internal predecessors, (50), 1 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 75 [2022-11-22 01:54:15,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:54:15,531 INFO L225 Difference]: With dead ends: 108 [2022-11-22 01:54:15,531 INFO L226 Difference]: Without dead ends: 59 [2022-11-22 01:54:15,533 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 186 SyntacticMatches, 1 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 506 ImplicationChecksByTransitivity, 64.1s TimeCoverageRelationStatistics Valid=289, Invalid=2681, Unknown=0, NotChecked=0, Total=2970 [2022-11-22 01:54:15,533 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 152 mSDsluCounter, 260 mSDsCounter, 0 mSdLazyCounter, 427 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 280 SdHoareTripleChecker+Invalid, 481 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 427 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-22 01:54:15,534 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 280 Invalid, 481 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 427 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-22 01:54:15,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2022-11-22 01:54:15,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2022-11-22 01:54:15,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 47 states have (on average 1.127659574468085) internal successors, (53), 47 states have internal predecessors, (53), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2022-11-22 01:54:15,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 73 transitions. [2022-11-22 01:54:15,546 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 73 transitions. Word has length 75 [2022-11-22 01:54:15,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:54:15,546 INFO L495 AbstractCegarLoop]: Abstraction has 59 states and 73 transitions. [2022-11-22 01:54:15,546 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 1.8518518518518519) internal successors, (50), 27 states have internal predecessors, (50), 1 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-11-22 01:54:15,546 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 73 transitions. [2022-11-22 01:54:15,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-11-22 01:54:15,547 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:54:15,548 INFO L195 NwaCegarLoop]: trace histogram [10, 8, 8, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:54:15,559 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78aeab62-3db9-4c39-b865-affc36f4020e/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-11-22 01:54:15,748 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78aeab62-3db9-4c39-b865-affc36f4020e/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:54:15,749 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:54:15,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:54:15,749 INFO L85 PathProgramCache]: Analyzing trace with hash -61259807, now seen corresponding path program 5 times [2022-11-22 01:54:15,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:54:15,749 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1290347862] [2022-11-22 01:54:15,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:54:15,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:54:15,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:54:16,784 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 12 proven. 10 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2022-11-22 01:54:16,784 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:54:16,785 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1290347862] [2022-11-22 01:54:16,785 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1290347862] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 01:54:16,785 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1285004979] [2022-11-22 01:54:16,785 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-22 01:54:16,786 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:54:16,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78aeab62-3db9-4c39-b865-affc36f4020e/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:54:16,791 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78aeab62-3db9-4c39-b865-affc36f4020e/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 01:54:16,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78aeab62-3db9-4c39-b865-affc36f4020e/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-11-22 01:55:17,107 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-11-22 01:55:17,107 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-22 01:55:17,135 INFO L263 TraceCheckSpWp]: Trace formula consists of 1839 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-22 01:55:17,139 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:55:17,209 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 62 proven. 16 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2022-11-22 01:55:17,210 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 01:55:17,280 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2022-11-22 01:55:17,280 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1285004979] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 01:55:17,280 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [675860729] [2022-11-22 01:55:17,283 INFO L159 IcfgInterpreter]: Started Sifa with 24 locations of interest [2022-11-22 01:55:17,283 INFO L166 IcfgInterpreter]: Building call graph [2022-11-22 01:55:17,283 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-22 01:55:17,284 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-22 01:55:17,284 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-22 01:55:17,312 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 17 [2022-11-22 01:55:17,322 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 6 treesize of output 5 [2022-11-22 01:55:17,350 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 35 treesize of output 31 [2022-11-22 01:55:17,496 INFO L321 Elim1Store]: treesize reduction 41, result has 26.8 percent of original size [2022-11-22 01:55:17,496 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 316 treesize of output 323 [2022-11-22 01:55:17,744 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 41 treesize of output 37 [2022-11-22 01:55:17,778 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 6 treesize of output 5 [2022-11-22 01:55:17,790 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 [2022-11-22 01:55:17,816 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 41 treesize of output 37 [2022-11-22 01:55:17,929 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 41 treesize of output 37 [2022-11-22 01:55:18,050 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 41 treesize of output 37 [2022-11-22 01:55:20,463 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 6 treesize of output 5 [2022-11-22 01:55:20,514 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 [2022-11-22 01:55:20,744 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:55:20,765 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 01:55:20,765 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 01:55:21,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:55:21,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:55:21,448 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:55:21,449 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:55:21,473 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-22 01:55:21,473 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-22 01:55:21,763 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:55:21,784 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 01:55:21,784 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 01:55:23,225 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 15 treesize of output 11 [2022-11-22 01:55:23,335 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 [2022-11-22 01:55:23,533 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 6 treesize of output 5 [2022-11-22 01:55:24,280 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:55:24,306 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 01:55:24,306 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 01:55:25,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:55:25,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:55:25,278 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:55:25,279 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:55:25,308 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-22 01:55:25,308 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-22 01:55:25,895 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:55:25,921 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 01:55:25,921 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 01:55:26,548 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 15 treesize of output 11 [2022-11-22 01:55:27,384 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:55:27,413 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 01:55:27,413 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 01:55:28,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:55:28,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:55:28,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:55:28,778 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:55:28,779 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:55:28,808 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-22 01:55:28,808 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-22 01:55:29,654 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:55:29,682 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 01:55:29,683 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 01:55:30,319 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:55:30,348 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 01:55:30,348 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 01:55:31,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:55:31,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:55:31,968 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:55:31,969 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:55:32,002 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-22 01:55:32,002 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 101 treesize of output 106 [2022-11-22 01:55:32,654 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:55:32,682 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 01:55:32,682 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 01:55:33,247 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-22 01:55:33,247 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 11 [2022-11-22 01:55:43,139 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 [2022-11-22 01:55:43,349 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 6 treesize of output 5 [2022-11-22 01:55:44,627 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:55:44,658 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 01:55:44,659 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 01:55:45,035 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:55:45,057 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 01:55:45,057 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 01:55:46,036 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 6 treesize of output 5 [2022-11-22 01:55:46,244 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 15 treesize of output 11 [2022-11-22 01:55:46,377 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 [2022-11-22 01:55:47,113 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:55:47,139 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 01:55:47,139 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 01:55:48,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:55:48,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:55:48,234 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:55:48,235 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:55:48,262 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-22 01:55:48,263 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-22 01:55:48,796 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:55:48,821 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 01:55:48,822 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 01:55:49,284 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 15 treesize of output 11 [2022-11-22 01:55:50,054 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:55:50,082 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 01:55:50,083 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 01:55:51,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:55:51,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:55:51,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:55:51,557 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:55:51,558 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:55:51,588 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-22 01:55:51,588 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-22 01:55:52,306 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:55:52,337 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 01:55:52,337 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 01:55:53,023 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:55:53,052 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 01:55:53,052 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 01:55:54,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:55:54,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:55:54,428 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:55:54,430 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:55:54,464 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-22 01:55:54,464 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 101 treesize of output 106 [2022-11-22 01:55:55,205 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:55:55,233 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 01:55:55,233 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 01:55:55,857 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-22 01:55:55,857 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 11 [2022-11-22 01:56:05,382 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 [2022-11-22 01:56:05,623 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 6 treesize of output 5 [2022-11-22 01:56:06,935 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:56:06,967 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 01:56:06,967 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 01:56:07,349 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:56:07,371 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 01:56:07,371 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 01:56:08,266 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 15 treesize of output 11 [2022-11-22 01:56:08,381 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 6 treesize of output 5 [2022-11-22 01:56:08,573 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 [2022-11-22 01:56:09,301 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:56:09,327 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 01:56:09,328 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 01:56:10,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:56:10,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:56:10,388 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:56:10,389 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:56:10,417 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-22 01:56:10,417 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-22 01:56:11,065 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:56:11,091 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 01:56:11,091 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 01:56:11,835 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 15 treesize of output 11 [2022-11-22 01:56:12,278 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:56:12,306 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 01:56:12,306 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 01:56:13,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:56:13,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:56:13,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:56:13,689 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:56:13,689 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:56:13,719 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-22 01:56:13,720 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-22 01:56:14,346 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:56:14,382 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 01:56:14,382 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 01:56:14,974 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:56:15,003 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 01:56:15,004 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 01:56:16,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:56:16,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:56:16,432 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:56:16,433 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:56:16,464 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-22 01:56:16,464 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 101 treesize of output 106 [2022-11-22 01:56:17,117 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:56:17,145 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 01:56:17,145 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 01:56:17,683 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-22 01:56:17,684 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 11 [2022-11-22 01:56:39,182 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 14 for LOIs [2022-11-22 01:56:39,183 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-22 01:56:52,715 WARN L233 SmtUtils]: Spent 10.40s on a formula simplification. DAG size of input: 634 DAG size of output: 454 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)