./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/array-tiling/pr3.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e87df16-3bac-4096-bf71-09ad60c1b8e0/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e87df16-3bac-4096-bf71-09ad60c1b8e0/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e87df16-3bac-4096-bf71-09ad60c1b8e0/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e87df16-3bac-4096-bf71-09ad60c1b8e0/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/array-tiling/pr3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e87df16-3bac-4096-bf71-09ad60c1b8e0/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e87df16-3bac-4096-bf71-09ad60c1b8e0/bin/utaipan-gh47qXpMRh --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 73efddcda095c52d9900d13088d1ec70520de6007541f46343a568e878cf2ed4 --- 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-2329fc7 [2022-12-14 15:47:54,428 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 15:47:54,430 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 15:47:54,453 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 15:47:54,454 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 15:47:54,455 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 15:47:54,456 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 15:47:54,457 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 15:47:54,458 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 15:47:54,459 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 15:47:54,459 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 15:47:54,460 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 15:47:54,460 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 15:47:54,461 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 15:47:54,462 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 15:47:54,462 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 15:47:54,463 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 15:47:54,463 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 15:47:54,464 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 15:47:54,465 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 15:47:54,466 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 15:47:54,468 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 15:47:54,470 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 15:47:54,471 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 15:47:54,473 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 15:47:54,473 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 15:47:54,473 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 15:47:54,474 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 15:47:54,474 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 15:47:54,475 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 15:47:54,475 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 15:47:54,476 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 15:47:54,476 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 15:47:54,476 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 15:47:54,477 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 15:47:54,477 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 15:47:54,478 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 15:47:54,478 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 15:47:54,478 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 15:47:54,478 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 15:47:54,479 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 15:47:54,480 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e87df16-3bac-4096-bf71-09ad60c1b8e0/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-12-14 15:47:54,507 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 15:47:54,507 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 15:47:54,508 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 15:47:54,508 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 15:47:54,509 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 15:47:54,509 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 15:47:54,509 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 15:47:54,509 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 15:47:54,509 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 15:47:54,509 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 15:47:54,510 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 15:47:54,510 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 15:47:54,510 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 15:47:54,510 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 15:47:54,510 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 15:47:54,510 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 15:47:54,511 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 15:47:54,511 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 15:47:54,511 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 15:47:54,511 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 15:47:54,512 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 15:47:54,512 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 15:47:54,512 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 15:47:54,512 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 15:47:54,512 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 15:47:54,512 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 15:47:54,512 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 15:47:54,512 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 15:47:54,513 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 15:47:54,513 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 15:47:54,513 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 15:47:54,513 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 15:47:54,513 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 15:47:54,513 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 15:47:54,513 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 15:47:54,513 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 15:47:54,514 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 15:47:54,514 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 15:47:54,514 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 15:47:54,514 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 15:47:54,514 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 15:47:54,514 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 15:47:54,514 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 15:47:54,514 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_3e87df16-3bac-4096-bf71-09ad60c1b8e0/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e87df16-3bac-4096-bf71-09ad60c1b8e0/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 73efddcda095c52d9900d13088d1ec70520de6007541f46343a568e878cf2ed4 [2022-12-14 15:47:54,692 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 15:47:54,708 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 15:47:54,710 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 15:47:54,711 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 15:47:54,711 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 15:47:54,713 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e87df16-3bac-4096-bf71-09ad60c1b8e0/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/array-tiling/pr3.c [2022-12-14 15:47:57,314 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 15:47:57,477 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 15:47:57,477 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e87df16-3bac-4096-bf71-09ad60c1b8e0/sv-benchmarks/c/array-tiling/pr3.c [2022-12-14 15:47:57,481 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e87df16-3bac-4096-bf71-09ad60c1b8e0/bin/utaipan-gh47qXpMRh/data/7cd74e3be/edf572192755421585d98ea5199111c4/FLAG330e16bde [2022-12-14 15:47:57,491 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e87df16-3bac-4096-bf71-09ad60c1b8e0/bin/utaipan-gh47qXpMRh/data/7cd74e3be/edf572192755421585d98ea5199111c4 [2022-12-14 15:47:57,493 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 15:47:57,494 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 15:47:57,494 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 15:47:57,494 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 15:47:57,498 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 15:47:57,498 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 03:47:57" (1/1) ... [2022-12-14 15:47:57,499 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d139cd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:47:57, skipping insertion in model container [2022-12-14 15:47:57,499 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 03:47:57" (1/1) ... [2022-12-14 15:47:57,504 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 15:47:57,517 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 15:47:57,633 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_3e87df16-3bac-4096-bf71-09ad60c1b8e0/sv-benchmarks/c/array-tiling/pr3.c[394,407] [2022-12-14 15:47:57,646 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 15:47:57,653 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 15:47:57,662 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_3e87df16-3bac-4096-bf71-09ad60c1b8e0/sv-benchmarks/c/array-tiling/pr3.c[394,407] [2022-12-14 15:47:57,669 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 15:47:57,679 INFO L208 MainTranslator]: Completed translation [2022-12-14 15:47:57,680 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:47:57 WrapperNode [2022-12-14 15:47:57,680 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 15:47:57,680 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 15:47:57,681 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 15:47:57,681 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 15:47:57,686 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:47:57" (1/1) ... [2022-12-14 15:47:57,692 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:47:57" (1/1) ... [2022-12-14 15:47:57,707 INFO L138 Inliner]: procedures = 15, calls = 26, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 109 [2022-12-14 15:47:57,708 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 15:47:57,708 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 15:47:57,708 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 15:47:57,708 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 15:47:57,715 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:47:57" (1/1) ... [2022-12-14 15:47:57,715 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:47:57" (1/1) ... [2022-12-14 15:47:57,717 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:47:57" (1/1) ... [2022-12-14 15:47:57,717 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:47:57" (1/1) ... [2022-12-14 15:47:57,720 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:47:57" (1/1) ... [2022-12-14 15:47:57,723 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:47:57" (1/1) ... [2022-12-14 15:47:57,724 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:47:57" (1/1) ... [2022-12-14 15:47:57,725 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:47:57" (1/1) ... [2022-12-14 15:47:57,726 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 15:47:57,727 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 15:47:57,727 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 15:47:57,727 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 15:47:57,727 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:47:57" (1/1) ... [2022-12-14 15:47:57,732 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 15:47:57,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e87df16-3bac-4096-bf71-09ad60c1b8e0/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 15:47:57,749 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e87df16-3bac-4096-bf71-09ad60c1b8e0/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 15:47:57,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e87df16-3bac-4096-bf71-09ad60c1b8e0/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 15:47:57,784 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 15:47:57,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 15:47:57,785 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 15:47:57,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 15:47:57,785 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 15:47:57,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 15:47:57,785 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 15:47:57,785 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 15:47:57,847 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 15:47:57,849 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 15:47:58,056 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 15:47:58,098 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 15:47:58,098 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-14 15:47:58,100 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 03:47:58 BoogieIcfgContainer [2022-12-14 15:47:58,101 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 15:47:58,103 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 15:47:58,103 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 15:47:58,107 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 15:47:58,107 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 03:47:57" (1/3) ... [2022-12-14 15:47:58,108 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50f99452 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 03:47:58, skipping insertion in model container [2022-12-14 15:47:58,108 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:47:57" (2/3) ... [2022-12-14 15:47:58,108 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50f99452 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 03:47:58, skipping insertion in model container [2022-12-14 15:47:58,109 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 03:47:58" (3/3) ... [2022-12-14 15:47:58,110 INFO L112 eAbstractionObserver]: Analyzing ICFG pr3.c [2022-12-14 15:47:58,137 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 15:47:58,137 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 30 error locations. [2022-12-14 15:47:58,181 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 15:47:58,185 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;@37b11d51, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 15:47:58,186 INFO L358 AbstractCegarLoop]: Starting to check reachability of 30 error locations. [2022-12-14 15:47:58,190 INFO L276 IsEmpty]: Start isEmpty. Operand has 73 states, 42 states have (on average 1.9047619047619047) internal successors, (80), 72 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 15:47:58,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 15:47:58,194 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:47:58,195 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-12-14 15:47:58,195 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-12-14 15:47:58,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:47:58,199 INFO L85 PathProgramCache]: Analyzing trace with hash 5342220, now seen corresponding path program 1 times [2022-12-14 15:47:58,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:47:58,210 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1052249175] [2022-12-14 15:47:58,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:47:58,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:47:58,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:47:58,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 15:47:58,471 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:47:58,471 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1052249175] [2022-12-14 15:47:58,472 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1052249175] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:47:58,472 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:47:58,472 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 15:47:58,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407930041] [2022-12-14 15:47:58,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:47:58,479 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 15:47:58,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:47:58,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 15:47:58,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-14 15:47:58,510 INFO L87 Difference]: Start difference. First operand has 73 states, 42 states have (on average 1.9047619047619047) internal successors, (80), 72 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 15:47:58,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:47:58,559 INFO L93 Difference]: Finished difference Result 87 states and 92 transitions. [2022-12-14 15:47:58,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 15:47:58,561 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2022-12-14 15:47:58,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:47:58,567 INFO L225 Difference]: With dead ends: 87 [2022-12-14 15:47:58,567 INFO L226 Difference]: Without dead ends: 69 [2022-12-14 15:47:58,569 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-14 15:47:58,571 INFO L413 NwaCegarLoop]: 68 mSDtfsCounter, 147 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 15:47:58,572 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 69 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 15:47:58,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2022-12-14 15:47:58,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2022-12-14 15:47:58,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 40 states have (on average 1.825) internal successors, (73), 68 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 15:47:58,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 73 transitions. [2022-12-14 15:47:58,597 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 73 transitions. Word has length 4 [2022-12-14 15:47:58,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:47:58,597 INFO L495 AbstractCegarLoop]: Abstraction has 69 states and 73 transitions. [2022-12-14 15:47:58,597 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 15:47:58,597 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 73 transitions. [2022-12-14 15:47:58,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-14 15:47:58,598 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:47:58,598 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-12-14 15:47:58,598 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 15:47:58,598 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-12-14 15:47:58,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:47:58,599 INFO L85 PathProgramCache]: Analyzing trace with hash 165608874, now seen corresponding path program 1 times [2022-12-14 15:47:58,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:47:58,599 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1991383690] [2022-12-14 15:47:58,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:47:58,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:47:58,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:47:58,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 15:47:58,729 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:47:58,729 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1991383690] [2022-12-14 15:47:58,729 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1991383690] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:47:58,730 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:47:58,730 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 15:47:58,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448282995] [2022-12-14 15:47:58,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:47:58,731 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 15:47:58,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:47:58,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 15:47:58,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-12-14 15:47:58,732 INFO L87 Difference]: Start difference. First operand 69 states and 73 transitions. Second operand has 5 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 15:47:58,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:47:58,754 INFO L93 Difference]: Finished difference Result 69 states and 73 transitions. [2022-12-14 15:47:58,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 15:47:58,755 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2022-12-14 15:47:58,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:47:58,756 INFO L225 Difference]: With dead ends: 69 [2022-12-14 15:47:58,756 INFO L226 Difference]: Without dead ends: 68 [2022-12-14 15:47:58,756 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-12-14 15:47:58,757 INFO L413 NwaCegarLoop]: 64 mSDtfsCounter, 136 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 15:47:58,757 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 64 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 15:47:58,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2022-12-14 15:47:58,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2022-12-14 15:47:58,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 40 states have (on average 1.8) internal successors, (72), 67 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 15:47:58,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 72 transitions. [2022-12-14 15:47:58,763 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 72 transitions. Word has length 5 [2022-12-14 15:47:58,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:47:58,763 INFO L495 AbstractCegarLoop]: Abstraction has 68 states and 72 transitions. [2022-12-14 15:47:58,763 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 15:47:58,763 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 72 transitions. [2022-12-14 15:47:58,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 15:47:58,763 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:47:58,764 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:47:58,764 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 15:47:58,764 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-12-14 15:47:58,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:47:58,764 INFO L85 PathProgramCache]: Analyzing trace with hash -1263399085, now seen corresponding path program 1 times [2022-12-14 15:47:58,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:47:58,765 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [713041942] [2022-12-14 15:47:58,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:47:58,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:47:58,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:47:58,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 15:47:58,801 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:47:58,801 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [713041942] [2022-12-14 15:47:58,801 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [713041942] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:47:58,801 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:47:58,802 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 15:47:58,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921882003] [2022-12-14 15:47:58,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:47:58,802 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 15:47:58,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:47:58,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 15:47:58,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 15:47:58,803 INFO L87 Difference]: Start difference. First operand 68 states and 72 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 15:47:58,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:47:58,923 INFO L93 Difference]: Finished difference Result 128 states and 136 transitions. [2022-12-14 15:47:58,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 15:47:58,924 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-12-14 15:47:58,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:47:58,924 INFO L225 Difference]: With dead ends: 128 [2022-12-14 15:47:58,925 INFO L226 Difference]: Without dead ends: 104 [2022-12-14 15:47:58,925 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 15:47:58,926 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 34 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 15:47:58,926 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 56 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 15:47:58,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2022-12-14 15:47:58,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 98. [2022-12-14 15:47:58,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 70 states have (on average 1.5142857142857142) internal successors, (106), 97 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 15:47:58,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 106 transitions. [2022-12-14 15:47:58,933 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 106 transitions. Word has length 8 [2022-12-14 15:47:58,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:47:58,933 INFO L495 AbstractCegarLoop]: Abstraction has 98 states and 106 transitions. [2022-12-14 15:47:58,933 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 15:47:58,933 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 106 transitions. [2022-12-14 15:47:58,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 15:47:58,934 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:47:58,934 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:47:58,934 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 15:47:58,934 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-12-14 15:47:58,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:47:58,935 INFO L85 PathProgramCache]: Analyzing trace with hash -510652293, now seen corresponding path program 1 times [2022-12-14 15:47:58,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:47:58,935 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2014516965] [2022-12-14 15:47:58,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:47:58,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:47:58,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:47:58,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 15:47:58,986 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:47:58,986 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2014516965] [2022-12-14 15:47:58,986 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2014516965] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:47:58,987 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:47:58,987 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 15:47:58,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1424563144] [2022-12-14 15:47:58,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:47:58,987 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 15:47:58,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:47:58,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 15:47:58,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 15:47:58,989 INFO L87 Difference]: Start difference. First operand 98 states and 106 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 15:47:59,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:47:59,055 INFO L93 Difference]: Finished difference Result 103 states and 111 transitions. [2022-12-14 15:47:59,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 15:47:59,056 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-12-14 15:47:59,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:47:59,058 INFO L225 Difference]: With dead ends: 103 [2022-12-14 15:47:59,058 INFO L226 Difference]: Without dead ends: 101 [2022-12-14 15:47:59,058 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 15:47:59,060 INFO L413 NwaCegarLoop]: 67 mSDtfsCounter, 3 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 15:47:59,061 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 146 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 15:47:59,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2022-12-14 15:47:59,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2022-12-14 15:47:59,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 73 states have (on average 1.4931506849315068) internal successors, (109), 100 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 15:47:59,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 109 transitions. [2022-12-14 15:47:59,072 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 109 transitions. Word has length 9 [2022-12-14 15:47:59,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:47:59,072 INFO L495 AbstractCegarLoop]: Abstraction has 101 states and 109 transitions. [2022-12-14 15:47:59,072 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 15:47:59,073 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 109 transitions. [2022-12-14 15:47:59,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 15:47:59,073 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:47:59,073 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:47:59,073 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 15:47:59,074 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-12-14 15:47:59,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:47:59,074 INFO L85 PathProgramCache]: Analyzing trace with hash -68134675, now seen corresponding path program 1 times [2022-12-14 15:47:59,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:47:59,075 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [876080499] [2022-12-14 15:47:59,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:47:59,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:47:59,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:47:59,213 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 15:47:59,213 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:47:59,213 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [876080499] [2022-12-14 15:47:59,213 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [876080499] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:47:59,213 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:47:59,213 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 15:47:59,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1292519575] [2022-12-14 15:47:59,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:47:59,214 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 15:47:59,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:47:59,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 15:47:59,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-14 15:47:59,215 INFO L87 Difference]: Start difference. First operand 101 states and 109 transitions. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 15:47:59,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:47:59,314 INFO L93 Difference]: Finished difference Result 115 states and 123 transitions. [2022-12-14 15:47:59,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 15:47:59,315 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-12-14 15:47:59,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:47:59,316 INFO L225 Difference]: With dead ends: 115 [2022-12-14 15:47:59,316 INFO L226 Difference]: Without dead ends: 106 [2022-12-14 15:47:59,317 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-14 15:47:59,318 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 105 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 52 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 15:47:59,319 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 52 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 15:47:59,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2022-12-14 15:47:59,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 101. [2022-12-14 15:47:59,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 73 states have (on average 1.4794520547945205) internal successors, (108), 100 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 15:47:59,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 108 transitions. [2022-12-14 15:47:59,328 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 108 transitions. Word has length 12 [2022-12-14 15:47:59,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:47:59,328 INFO L495 AbstractCegarLoop]: Abstraction has 101 states and 108 transitions. [2022-12-14 15:47:59,329 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 15:47:59,329 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 108 transitions. [2022-12-14 15:47:59,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-14 15:47:59,329 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:47:59,330 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:47:59,330 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-14 15:47:59,330 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-12-14 15:47:59,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:47:59,331 INFO L85 PathProgramCache]: Analyzing trace with hash 1689851049, now seen corresponding path program 1 times [2022-12-14 15:47:59,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:47:59,331 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1547812104] [2022-12-14 15:47:59,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:47:59,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:47:59,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:47:59,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 15:47:59,394 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:47:59,394 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1547812104] [2022-12-14 15:47:59,395 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1547812104] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:47:59,395 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:47:59,395 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 15:47:59,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1976510504] [2022-12-14 15:47:59,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:47:59,395 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 15:47:59,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:47:59,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 15:47:59,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 15:47:59,396 INFO L87 Difference]: Start difference. First operand 101 states and 108 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 15:47:59,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:47:59,482 INFO L93 Difference]: Finished difference Result 106 states and 113 transitions. [2022-12-14 15:47:59,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 15:47:59,483 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2022-12-14 15:47:59,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:47:59,484 INFO L225 Difference]: With dead ends: 106 [2022-12-14 15:47:59,484 INFO L226 Difference]: Without dead ends: 104 [2022-12-14 15:47:59,484 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 15:47:59,485 INFO L413 NwaCegarLoop]: 41 mSDtfsCounter, 18 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 15:47:59,486 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 94 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 15:47:59,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2022-12-14 15:47:59,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2022-12-14 15:47:59,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 76 states have (on average 1.4605263157894737) internal successors, (111), 103 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 15:47:59,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 111 transitions. [2022-12-14 15:47:59,493 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 111 transitions. Word has length 23 [2022-12-14 15:47:59,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:47:59,493 INFO L495 AbstractCegarLoop]: Abstraction has 104 states and 111 transitions. [2022-12-14 15:47:59,493 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 15:47:59,493 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 111 transitions. [2022-12-14 15:47:59,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-12-14 15:47:59,494 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:47:59,494 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:47:59,494 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-14 15:47:59,494 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-12-14 15:47:59,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:47:59,494 INFO L85 PathProgramCache]: Analyzing trace with hash -10261982, now seen corresponding path program 1 times [2022-12-14 15:47:59,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:47:59,495 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171708688] [2022-12-14 15:47:59,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:47:59,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:47:59,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:47:59,552 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 15:47:59,553 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:47:59,553 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1171708688] [2022-12-14 15:47:59,553 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1171708688] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 15:47:59,553 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1681890420] [2022-12-14 15:47:59,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:47:59,553 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 15:47:59,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e87df16-3bac-4096-bf71-09ad60c1b8e0/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 15:47:59,554 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e87df16-3bac-4096-bf71-09ad60c1b8e0/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 15:47:59,555 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e87df16-3bac-4096-bf71-09ad60c1b8e0/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 15:47:59,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:47:59,606 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-14 15:47:59,610 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 15:47:59,680 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 15:47:59,681 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 15:47:59,681 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1681890420] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:47:59,681 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 15:47:59,681 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2022-12-14 15:47:59,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1268374221] [2022-12-14 15:47:59,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:47:59,682 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 15:47:59,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:47:59,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 15:47:59,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-12-14 15:47:59,683 INFO L87 Difference]: Start difference. First operand 104 states and 111 transitions. Second operand has 5 states, 4 states have (on average 7.25) internal successors, (29), 5 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 15:47:59,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:47:59,804 INFO L93 Difference]: Finished difference Result 104 states and 111 transitions. [2022-12-14 15:47:59,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 15:47:59,805 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 7.25) internal successors, (29), 5 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 29 [2022-12-14 15:47:59,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:47:59,806 INFO L225 Difference]: With dead ends: 104 [2022-12-14 15:47:59,806 INFO L226 Difference]: Without dead ends: 91 [2022-12-14 15:47:59,806 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-12-14 15:47:59,807 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 63 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 179 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 179 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 15:47:59,808 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 58 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 179 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 15:47:59,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2022-12-14 15:47:59,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2022-12-14 15:47:59,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 76 states have (on average 1.2894736842105263) internal successors, (98), 90 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 15:47:59,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 98 transitions. [2022-12-14 15:47:59,815 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 98 transitions. Word has length 29 [2022-12-14 15:47:59,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:47:59,816 INFO L495 AbstractCegarLoop]: Abstraction has 91 states and 98 transitions. [2022-12-14 15:47:59,816 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.25) internal successors, (29), 5 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 15:47:59,816 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 98 transitions. [2022-12-14 15:47:59,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-14 15:47:59,817 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:47:59,817 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:47:59,823 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e87df16-3bac-4096-bf71-09ad60c1b8e0/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 15:48:00,017 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e87df16-3bac-4096-bf71-09ad60c1b8e0/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 15:48:00,018 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-12-14 15:48:00,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:48:00,019 INFO L85 PathProgramCache]: Analyzing trace with hash -318121376, now seen corresponding path program 1 times [2022-12-14 15:48:00,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:48:00,019 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1414113867] [2022-12-14 15:48:00,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:48:00,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:48:00,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:48:00,184 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 15:48:00,184 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:48:00,184 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1414113867] [2022-12-14 15:48:00,184 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1414113867] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 15:48:00,185 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1333925191] [2022-12-14 15:48:00,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:48:00,185 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 15:48:00,185 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e87df16-3bac-4096-bf71-09ad60c1b8e0/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 15:48:00,186 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e87df16-3bac-4096-bf71-09ad60c1b8e0/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 15:48:00,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e87df16-3bac-4096-bf71-09ad60c1b8e0/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 15:48:00,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:48:00,234 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-14 15:48:00,235 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 15:48:00,275 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 15:48:00,276 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 15:48:00,322 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 15:48:00,322 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1333925191] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 15:48:00,322 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1440986782] [2022-12-14 15:48:00,339 INFO L159 IcfgInterpreter]: Started Sifa with 25 locations of interest [2022-12-14 15:48:00,340 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 15:48:00,343 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 15:48:00,348 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 15:48:00,348 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 15:48:00,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:00,457 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-14 15:48:00,458 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2022-12-14 15:48:00,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:00,472 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 34 [2022-12-14 15:48:00,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:00,560 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 19 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 93 [2022-12-14 15:48:00,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:00,636 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 20 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 108 [2022-12-14 15:48:00,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:00,734 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 22 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 123 [2022-12-14 15:48:00,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:00,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:00,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:00,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:00,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:00,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:01,001 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 25 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 127 [2022-12-14 15:48:01,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:01,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:01,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:01,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:01,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:01,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:01,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:01,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:01,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:01,070 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 29 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 110 treesize of output 142 [2022-12-14 15:48:01,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:01,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:01,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:01,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:01,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:01,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:01,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:01,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:01,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:01,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:01,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:01,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:01,151 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 34 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 122 treesize of output 157 [2022-12-14 15:48:01,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:01,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:01,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:01,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:01,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:01,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:01,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:01,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:01,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:01,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:01,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:01,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:01,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:01,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:01,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:01,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:01,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:01,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:01,659 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:48:01,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:01,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:01,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:01,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:01,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:01,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:01,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:01,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:01,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:01,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:01,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:01,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:01,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:01,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:01,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:01,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:01,670 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:48:01,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:01,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:01,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:01,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:01,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:01,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:01,685 INFO L321 Elim1Store]: treesize reduction 102, result has 1.0 percent of original size [2022-12-14 15:48:01,685 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 14 select indices, 14 select index equivalence classes, 58 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 51 case distinctions, treesize of input 566 treesize of output 545 [2022-12-14 15:48:01,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:01,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:01,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:01,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:01,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:01,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:01,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:01,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:01,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:01,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:01,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:01,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:01,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:01,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:01,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:01,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:01,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:01,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:01,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:01,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:01,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:01,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:01,919 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:48:01,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:01,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:01,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:01,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:01,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:01,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:01,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:01,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:01,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:01,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:01,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:01,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:01,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:01,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:01,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:01,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:01,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:01,936 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:48:01,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:01,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:01,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:01,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:01,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:01,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:01,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:01,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:01,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:01,957 INFO L321 Elim1Store]: treesize reduction 102, result has 1.0 percent of original size [2022-12-14 15:48:01,958 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 15 select indices, 15 select index equivalence classes, 70 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 59 case distinctions, treesize of input 572 treesize of output 554 [2022-12-14 15:48:02,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:02,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:02,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:02,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:02,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:02,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:02,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:02,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:02,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:02,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:02,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:02,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:02,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:02,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:02,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:02,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:02,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:02,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:02,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:02,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:02,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:02,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:02,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:02,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:02,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:02,284 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:48:02,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:02,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:02,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:02,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:02,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:02,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:02,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:02,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:02,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:02,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:02,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:02,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:02,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:02,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:02,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:02,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:02,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:02,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:02,302 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:48:02,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:02,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:02,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:02,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:02,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:02,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:02,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:02,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:02,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:02,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:02,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:02,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:02,324 INFO L321 Elim1Store]: treesize reduction 102, result has 1.0 percent of original size [2022-12-14 15:48:02,325 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 16 select indices, 16 select index equivalence classes, 82 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 67 case distinctions, treesize of input 578 treesize of output 563 [2022-12-14 15:48:02,490 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 16 treesize of output 12 [2022-12-14 15:48:02,531 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 29 treesize of output 28 [2022-12-14 15:48:02,579 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 43 [2022-12-14 15:48:02,746 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 16 treesize of output 12 [2022-12-14 15:48:02,819 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 16 treesize of output 12 [2022-12-14 15:48:02,861 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 15:48:04,246 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1440986782] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:48:04,246 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-12-14 15:48:04,246 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [4, 4, 4] total 20 [2022-12-14 15:48:04,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1220108983] [2022-12-14 15:48:04,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:48:04,247 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-12-14 15:48:04,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:48:04,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-12-14 15:48:04,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=346, Unknown=0, NotChecked=0, Total=420 [2022-12-14 15:48:04,248 INFO L87 Difference]: Start difference. First operand 91 states and 98 transitions. Second operand has 13 states, 12 states have (on average 2.0833333333333335) internal successors, (25), 12 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 15:48:07,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:48:07,271 INFO L93 Difference]: Finished difference Result 224 states and 256 transitions. [2022-12-14 15:48:07,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-14 15:48:07,272 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.0833333333333335) internal successors, (25), 12 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-12-14 15:48:07,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:48:07,273 INFO L225 Difference]: With dead ends: 224 [2022-12-14 15:48:07,273 INFO L226 Difference]: Without dead ends: 162 [2022-12-14 15:48:07,274 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 60 SyntacticMatches, 13 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 302 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=200, Invalid=670, Unknown=0, NotChecked=0, Total=870 [2022-12-14 15:48:07,275 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 339 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 459 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 339 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 520 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 459 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-12-14 15:48:07,275 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [339 Valid, 49 Invalid, 520 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 459 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-12-14 15:48:07,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2022-12-14 15:48:07,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 117. [2022-12-14 15:48:07,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 102 states have (on average 1.2450980392156863) internal successors, (127), 116 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 15:48:07,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 127 transitions. [2022-12-14 15:48:07,284 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 127 transitions. Word has length 30 [2022-12-14 15:48:07,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:48:07,285 INFO L495 AbstractCegarLoop]: Abstraction has 117 states and 127 transitions. [2022-12-14 15:48:07,285 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.0833333333333335) internal successors, (25), 12 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 15:48:07,285 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 127 transitions. [2022-12-14 15:48:07,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-14 15:48:07,286 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:48:07,286 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:48:07,290 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e87df16-3bac-4096-bf71-09ad60c1b8e0/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-14 15:48:07,486 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e87df16-3bac-4096-bf71-09ad60c1b8e0/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2022-12-14 15:48:07,488 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-12-14 15:48:07,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:48:07,489 INFO L85 PathProgramCache]: Analyzing trace with hash -1110985130, now seen corresponding path program 1 times [2022-12-14 15:48:07,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:48:07,490 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20223053] [2022-12-14 15:48:07,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:48:07,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:48:07,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:48:07,542 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 15:48:07,543 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:48:07,543 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [20223053] [2022-12-14 15:48:07,543 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [20223053] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 15:48:07,543 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [286651626] [2022-12-14 15:48:07,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:48:07,543 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 15:48:07,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e87df16-3bac-4096-bf71-09ad60c1b8e0/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 15:48:07,544 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e87df16-3bac-4096-bf71-09ad60c1b8e0/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 15:48:07,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e87df16-3bac-4096-bf71-09ad60c1b8e0/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-14 15:48:07,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:48:07,586 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-14 15:48:07,587 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 15:48:07,619 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 15:48:07,620 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 15:48:07,658 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 15:48:07,658 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [286651626] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 15:48:07,659 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1614923559] [2022-12-14 15:48:07,661 INFO L159 IcfgInterpreter]: Started Sifa with 25 locations of interest [2022-12-14 15:48:07,661 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 15:48:07,661 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 15:48:07,661 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 15:48:07,662 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 15:48:07,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:07,708 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-14 15:48:07,709 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2022-12-14 15:48:07,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:07,719 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 34 [2022-12-14 15:48:07,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:07,807 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 19 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 93 [2022-12-14 15:48:07,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:07,853 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 20 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 108 [2022-12-14 15:48:07,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:07,911 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 22 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 123 [2022-12-14 15:48:07,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:07,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:07,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:07,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:07,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:07,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:07,994 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 25 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 127 [2022-12-14 15:48:08,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:08,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:08,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:08,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:08,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:08,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:08,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:08,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:08,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:08,069 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 29 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 110 treesize of output 142 [2022-12-14 15:48:08,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:08,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:08,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:08,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:08,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:08,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:08,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:08,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:08,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:08,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:08,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:08,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:08,139 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 34 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 122 treesize of output 157 [2022-12-14 15:48:08,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:08,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:08,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:08,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:08,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:08,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:08,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:08,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:08,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:08,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:08,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:08,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:08,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:08,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:08,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:08,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:08,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:08,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:08,514 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:48:08,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:08,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:08,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:08,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:08,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:08,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:08,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:08,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:08,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:08,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:08,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:08,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:08,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:08,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:08,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:08,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:08,526 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:48:08,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:08,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:08,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:08,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:08,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:08,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:08,539 INFO L321 Elim1Store]: treesize reduction 102, result has 1.0 percent of original size [2022-12-14 15:48:08,540 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 14 select indices, 14 select index equivalence classes, 58 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 51 case distinctions, treesize of input 566 treesize of output 545 [2022-12-14 15:48:08,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:08,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:08,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:08,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:08,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:08,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:08,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:08,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:08,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:08,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:08,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:08,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:08,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:08,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:08,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:08,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:08,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:08,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:08,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:08,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:08,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:08,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:08,829 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:48:08,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:08,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:08,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:08,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:08,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:08,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:08,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:08,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:08,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:08,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:08,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:08,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:08,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:08,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:08,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:08,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:08,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:08,843 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:48:08,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:08,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:08,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:08,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:08,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:08,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:08,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:08,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:08,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:08,862 INFO L321 Elim1Store]: treesize reduction 102, result has 1.0 percent of original size [2022-12-14 15:48:08,863 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 15 select indices, 15 select index equivalence classes, 70 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 59 case distinctions, treesize of input 572 treesize of output 554 [2022-12-14 15:48:09,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:09,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:09,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:09,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:09,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:09,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:09,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:09,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:09,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:09,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:09,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:09,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:09,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:09,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:09,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:09,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:09,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:09,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:09,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:09,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:09,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:09,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:09,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:09,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:09,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:09,117 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:48:09,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:09,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:09,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:09,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:09,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:09,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:09,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:09,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:09,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:09,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:09,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:09,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:09,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:09,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:09,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:09,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:09,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:09,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:09,131 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:48:09,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:09,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:09,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:09,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:09,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:09,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:09,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:09,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:09,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:09,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:09,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:09,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:09,150 INFO L321 Elim1Store]: treesize reduction 102, result has 1.0 percent of original size [2022-12-14 15:48:09,150 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 16 select indices, 16 select index equivalence classes, 82 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 67 case distinctions, treesize of input 578 treesize of output 563 [2022-12-14 15:48:09,266 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 16 treesize of output 12 [2022-12-14 15:48:09,308 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 29 treesize of output 28 [2022-12-14 15:48:09,342 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 43 [2022-12-14 15:48:09,511 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 16 treesize of output 12 [2022-12-14 15:48:09,546 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 29 treesize of output 28 [2022-12-14 15:48:09,574 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 15:48:10,976 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '2347#(and (<= 0 |#NULL.base|) (<= |ULTIMATE.start_main_~i~0#1| 2147483647) (<= 7 |ULTIMATE.start_main_~CCCELVOL3~0#1|) (<= 0 |ULTIMATE.start_main_~#volArray~0#1.offset|) (<= |ULTIMATE.start_main_~MINVAL~0#1| 7) (<= |#NULL.offset| 0) (<= ~CELLCOUNT~0 2147483647) (<= 1 ~CELLCOUNT~0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|) (= |ULTIMATE.start_main_~CCCELVOL2~0#1| 3) (<= |ULTIMATE.start_main_~CCCELVOL1~0#1| 1) (<= |#NULL.base| 0) (< 2147483647 (* 3 |ULTIMATE.start_main_~i~0#1|)) (<= |ULTIMATE.start_main_~#volArray~0#1.offset| 0) (<= |ULTIMATE.start_main_~CCCELVOL3~0#1| 7) (<= 0 |ULTIMATE.start_main_~#volArray~0#1.base|) (<= 0 |#NULL.offset|) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1) (<= 1 |ULTIMATE.start_main_~CCCELVOL1~0#1|))' at error location [2022-12-14 15:48:10,976 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 15:48:10,976 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 15:48:10,976 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2022-12-14 15:48:10,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2091590888] [2022-12-14 15:48:10,977 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 15:48:10,977 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 15:48:10,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:48:10,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 15:48:10,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=417, Unknown=0, NotChecked=0, Total=506 [2022-12-14 15:48:10,977 INFO L87 Difference]: Start difference. First operand 117 states and 127 transitions. Second operand has 10 states, 9 states have (on average 8.88888888888889) internal successors, (80), 10 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 15:48:11,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:48:11,101 INFO L93 Difference]: Finished difference Result 206 states and 237 transitions. [2022-12-14 15:48:11,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-14 15:48:11,102 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 8.88888888888889) internal successors, (80), 10 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-12-14 15:48:11,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:48:11,103 INFO L225 Difference]: With dead ends: 206 [2022-12-14 15:48:11,103 INFO L226 Difference]: Without dead ends: 193 [2022-12-14 15:48:11,103 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 57 SyntacticMatches, 14 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 353 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=106, Invalid=494, Unknown=0, NotChecked=0, Total=600 [2022-12-14 15:48:11,103 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 121 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 227 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 261 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 227 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 15:48:11,104 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 94 Invalid, 261 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 227 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 15:48:11,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2022-12-14 15:48:11,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 148. [2022-12-14 15:48:11,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 143 states have (on average 1.1468531468531469) internal successors, (164), 147 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 15:48:11,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 164 transitions. [2022-12-14 15:48:11,109 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 164 transitions. Word has length 30 [2022-12-14 15:48:11,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:48:11,110 INFO L495 AbstractCegarLoop]: Abstraction has 148 states and 164 transitions. [2022-12-14 15:48:11,110 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 8.88888888888889) internal successors, (80), 10 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 15:48:11,110 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 164 transitions. [2022-12-14 15:48:11,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-12-14 15:48:11,110 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:48:11,110 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:48:11,115 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e87df16-3bac-4096-bf71-09ad60c1b8e0/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-14 15:48:11,311 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e87df16-3bac-4096-bf71-09ad60c1b8e0/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-12-14 15:48:11,311 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-12-14 15:48:11,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:48:11,312 INFO L85 PathProgramCache]: Analyzing trace with hash -2050378692, now seen corresponding path program 1 times [2022-12-14 15:48:11,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:48:11,312 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348476128] [2022-12-14 15:48:11,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:48:11,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:48:11,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:48:11,425 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 15:48:11,425 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:48:11,425 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348476128] [2022-12-14 15:48:11,425 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [348476128] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 15:48:11,425 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1309122856] [2022-12-14 15:48:11,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:48:11,426 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 15:48:11,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e87df16-3bac-4096-bf71-09ad60c1b8e0/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 15:48:11,427 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e87df16-3bac-4096-bf71-09ad60c1b8e0/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 15:48:11,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e87df16-3bac-4096-bf71-09ad60c1b8e0/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-14 15:48:11,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:48:11,479 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 15:48:11,480 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 15:48:11,497 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 15:48:11,497 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 15:48:11,498 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1309122856] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:48:11,498 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 15:48:11,498 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2022-12-14 15:48:11,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986350988] [2022-12-14 15:48:11,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:48:11,498 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 15:48:11,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:48:11,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 15:48:11,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-12-14 15:48:11,499 INFO L87 Difference]: Start difference. First operand 148 states and 164 transitions. Second operand has 6 states, 5 states have (on average 6.2) internal successors, (31), 6 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 15:48:11,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:48:11,578 INFO L93 Difference]: Finished difference Result 160 states and 176 transitions. [2022-12-14 15:48:11,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 15:48:11,578 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.2) internal successors, (31), 6 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2022-12-14 15:48:11,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:48:11,579 INFO L225 Difference]: With dead ends: 160 [2022-12-14 15:48:11,579 INFO L226 Difference]: Without dead ends: 159 [2022-12-14 15:48:11,579 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-12-14 15:48:11,579 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 43 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 52 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 15:48:11,580 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 52 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 15:48:11,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2022-12-14 15:48:11,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 147. [2022-12-14 15:48:11,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 143 states have (on average 1.1398601398601398) internal successors, (163), 146 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 15:48:11,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 163 transitions. [2022-12-14 15:48:11,587 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 163 transitions. Word has length 33 [2022-12-14 15:48:11,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:48:11,588 INFO L495 AbstractCegarLoop]: Abstraction has 147 states and 163 transitions. [2022-12-14 15:48:11,588 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.2) internal successors, (31), 6 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 15:48:11,588 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 163 transitions. [2022-12-14 15:48:11,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-12-14 15:48:11,588 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:48:11,589 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:48:11,593 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e87df16-3bac-4096-bf71-09ad60c1b8e0/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-12-14 15:48:11,789 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e87df16-3bac-4096-bf71-09ad60c1b8e0/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 15:48:11,790 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-12-14 15:48:11,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:48:11,792 INFO L85 PathProgramCache]: Analyzing trace with hash 862770152, now seen corresponding path program 1 times [2022-12-14 15:48:11,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:48:11,793 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1337175231] [2022-12-14 15:48:11,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:48:11,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:48:11,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:48:11,881 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 15:48:11,881 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:48:11,881 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1337175231] [2022-12-14 15:48:11,881 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1337175231] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 15:48:11,881 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [781690725] [2022-12-14 15:48:11,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:48:11,881 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 15:48:11,881 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e87df16-3bac-4096-bf71-09ad60c1b8e0/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 15:48:11,882 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e87df16-3bac-4096-bf71-09ad60c1b8e0/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 15:48:11,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e87df16-3bac-4096-bf71-09ad60c1b8e0/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-14 15:48:11,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:48:11,937 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 15:48:11,938 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 15:48:11,954 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 15:48:11,954 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 15:48:11,978 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 15:48:11,978 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [781690725] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 15:48:11,978 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2139769425] [2022-12-14 15:48:11,981 INFO L159 IcfgInterpreter]: Started Sifa with 29 locations of interest [2022-12-14 15:48:11,981 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 15:48:11,981 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 15:48:11,981 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 15:48:11,981 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 15:48:12,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:12,020 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-14 15:48:12,021 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2022-12-14 15:48:12,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:12,030 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 34 [2022-12-14 15:48:12,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:12,090 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 19 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 93 [2022-12-14 15:48:12,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:12,137 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 20 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 108 [2022-12-14 15:48:12,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:12,186 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 22 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 123 [2022-12-14 15:48:12,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:12,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:12,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:12,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:12,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:12,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:12,271 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 25 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 127 [2022-12-14 15:48:12,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:12,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:12,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:12,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:12,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:12,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:12,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:12,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:12,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:12,362 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 29 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 110 treesize of output 142 [2022-12-14 15:48:12,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:12,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:12,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:12,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:12,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:12,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:12,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:12,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:12,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:12,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:12,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:12,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:12,420 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 34 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 122 treesize of output 157 [2022-12-14 15:48:12,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:12,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:12,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:12,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:12,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:12,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:12,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:12,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:12,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:12,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:12,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:12,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:12,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:12,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:12,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:12,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:12,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:12,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:12,938 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:48:12,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:12,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:12,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:12,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:12,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:12,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:12,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:12,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:12,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:12,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:12,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:12,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:12,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:12,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:12,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:12,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:12,954 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:48:12,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:12,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:12,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:12,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:12,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:12,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:12,970 INFO L321 Elim1Store]: treesize reduction 102, result has 1.0 percent of original size [2022-12-14 15:48:12,970 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 14 select indices, 14 select index equivalence classes, 58 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 51 case distinctions, treesize of input 566 treesize of output 545 [2022-12-14 15:48:13,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:13,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:13,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:13,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:13,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:13,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:13,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:13,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:13,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:13,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:13,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:13,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:13,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:13,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:13,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:13,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:13,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:13,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:13,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:13,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:13,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:13,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:13,170 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:48:13,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:13,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:13,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:13,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:13,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:13,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:13,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:13,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:13,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:13,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:13,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:13,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:13,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:13,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:13,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:13,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:13,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:13,182 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:48:13,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:13,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:13,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:13,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:13,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:13,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:13,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:13,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:13,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:13,200 INFO L321 Elim1Store]: treesize reduction 102, result has 1.0 percent of original size [2022-12-14 15:48:13,200 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 15 select indices, 15 select index equivalence classes, 70 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 59 case distinctions, treesize of input 572 treesize of output 554 [2022-12-14 15:48:13,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:13,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:13,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:13,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:13,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:13,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:13,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:13,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:13,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:13,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:13,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:13,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:13,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:13,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:13,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:13,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:13,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:13,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:13,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:13,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:13,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:13,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:13,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:13,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:13,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:13,430 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:48:13,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:13,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:13,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:13,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:13,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:13,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:13,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:13,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:13,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:13,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:13,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:13,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:13,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:13,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:13,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:13,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:13,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:13,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:13,446 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:48:13,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:13,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:13,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:13,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:13,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:13,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:13,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:13,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:13,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:13,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:13,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:13,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:13,467 INFO L321 Elim1Store]: treesize reduction 102, result has 1.0 percent of original size [2022-12-14 15:48:13,468 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 16 select indices, 16 select index equivalence classes, 82 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 67 case distinctions, treesize of input 578 treesize of output 563 [2022-12-14 15:48:13,575 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 16 treesize of output 12 [2022-12-14 15:48:13,622 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 29 treesize of output 28 [2022-12-14 15:48:13,659 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 43 [2022-12-14 15:48:14,203 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 16 treesize of output 12 [2022-12-14 15:48:14,280 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 16 treesize of output 12 [2022-12-14 15:48:14,308 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 15:48:16,153 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [2139769425] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:48:16,153 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-12-14 15:48:16,153 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [5, 5, 5] total 25 [2022-12-14 15:48:16,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992964954] [2022-12-14 15:48:16,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:48:16,154 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-12-14 15:48:16,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:48:16,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-12-14 15:48:16,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=539, Unknown=0, NotChecked=0, Total=650 [2022-12-14 15:48:16,155 INFO L87 Difference]: Start difference. First operand 147 states and 163 transitions. Second operand has 16 states, 15 states have (on average 2.0) internal successors, (30), 15 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 15:48:19,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:48:19,917 INFO L93 Difference]: Finished difference Result 187 states and 205 transitions. [2022-12-14 15:48:19,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-12-14 15:48:19,918 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 2.0) internal successors, (30), 15 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2022-12-14 15:48:19,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:48:19,918 INFO L225 Difference]: With dead ends: 187 [2022-12-14 15:48:19,918 INFO L226 Difference]: Without dead ends: 146 [2022-12-14 15:48:19,919 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 67 SyntacticMatches, 14 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 659 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=316, Invalid=1244, Unknown=0, NotChecked=0, Total=1560 [2022-12-14 15:48:19,920 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 296 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 495 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 296 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 529 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 495 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-12-14 15:48:19,920 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [296 Valid, 19 Invalid, 529 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 495 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-12-14 15:48:19,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2022-12-14 15:48:19,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 122. [2022-12-14 15:48:19,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 118 states have (on average 1.1440677966101696) internal successors, (135), 121 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 15:48:19,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 135 transitions. [2022-12-14 15:48:19,924 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 135 transitions. Word has length 34 [2022-12-14 15:48:19,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:48:19,925 INFO L495 AbstractCegarLoop]: Abstraction has 122 states and 135 transitions. [2022-12-14 15:48:19,925 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 2.0) internal successors, (30), 15 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 15:48:19,925 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 135 transitions. [2022-12-14 15:48:19,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-12-14 15:48:19,925 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:48:19,927 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:48:19,931 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e87df16-3bac-4096-bf71-09ad60c1b8e0/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-12-14 15:48:20,127 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e87df16-3bac-4096-bf71-09ad60c1b8e0/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 15:48:20,129 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-12-14 15:48:20,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:48:20,130 INFO L85 PathProgramCache]: Analyzing trace with hash 2035270878, now seen corresponding path program 1 times [2022-12-14 15:48:20,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:48:20,130 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1060150243] [2022-12-14 15:48:20,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:48:20,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:48:20,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:48:20,231 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 15:48:20,231 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:48:20,232 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1060150243] [2022-12-14 15:48:20,232 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1060150243] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 15:48:20,232 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1190595268] [2022-12-14 15:48:20,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:48:20,232 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 15:48:20,232 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e87df16-3bac-4096-bf71-09ad60c1b8e0/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 15:48:20,233 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e87df16-3bac-4096-bf71-09ad60c1b8e0/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 15:48:20,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e87df16-3bac-4096-bf71-09ad60c1b8e0/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-12-14 15:48:20,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:48:20,283 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 15:48:20,285 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 15:48:20,300 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 15:48:20,300 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 15:48:20,322 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 15:48:20,323 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1190595268] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 15:48:20,323 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [617572996] [2022-12-14 15:48:20,325 INFO L159 IcfgInterpreter]: Started Sifa with 29 locations of interest [2022-12-14 15:48:20,325 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 15:48:20,326 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 15:48:20,326 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 15:48:20,326 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 15:48:20,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:20,365 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-14 15:48:20,365 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2022-12-14 15:48:20,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:20,377 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 34 [2022-12-14 15:48:20,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:20,449 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 19 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 93 [2022-12-14 15:48:20,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:20,493 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 20 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 108 [2022-12-14 15:48:20,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:20,553 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 22 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 123 [2022-12-14 15:48:20,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:20,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:20,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:20,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:20,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:20,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:20,640 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 25 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 127 [2022-12-14 15:48:20,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:20,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:20,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:20,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:20,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:20,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:20,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:20,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:20,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:20,692 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 29 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 110 treesize of output 142 [2022-12-14 15:48:20,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:20,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:20,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:20,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:20,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:20,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:20,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:20,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:20,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:20,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:20,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:20,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:20,752 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 34 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 122 treesize of output 157 [2022-12-14 15:48:21,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:21,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:21,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:21,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:21,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:21,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:21,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:21,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:21,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:21,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:21,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:21,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:21,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:21,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:21,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:21,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:21,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:21,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:21,096 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:48:21,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:21,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:21,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:21,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:21,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:21,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:21,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:21,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:21,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:21,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:21,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:21,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:21,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:21,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:21,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:21,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:21,108 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:48:21,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:21,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:21,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:21,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:21,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:21,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:21,123 INFO L321 Elim1Store]: treesize reduction 102, result has 1.0 percent of original size [2022-12-14 15:48:21,124 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 14 select indices, 14 select index equivalence classes, 58 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 51 case distinctions, treesize of input 566 treesize of output 545 [2022-12-14 15:48:21,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:21,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:21,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:21,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:21,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:21,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:21,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:21,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:21,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:21,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:21,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:21,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:21,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:21,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:21,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:21,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:21,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:21,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:21,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:21,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:21,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:21,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:21,338 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:48:21,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:21,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:21,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:21,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:21,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:21,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:21,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:21,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:21,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:21,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:21,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:21,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:21,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:21,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:21,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:21,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:21,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:21,353 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:48:21,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:21,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:21,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:21,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:21,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:21,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:21,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:21,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:21,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:21,369 INFO L321 Elim1Store]: treesize reduction 102, result has 1.0 percent of original size [2022-12-14 15:48:21,369 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 15 select indices, 15 select index equivalence classes, 70 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 59 case distinctions, treesize of input 572 treesize of output 554 [2022-12-14 15:48:21,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:21,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:21,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:21,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:21,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:21,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:21,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:21,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:21,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:21,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:21,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:21,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:21,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:21,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:21,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:21,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:21,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:21,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:21,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:21,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:21,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:21,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:21,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:21,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:21,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:21,693 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:48:21,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:21,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:21,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:21,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:21,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:21,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:21,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:21,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:21,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:21,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:21,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:21,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:21,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:21,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:21,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:21,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:21,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:21,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:21,704 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:48:21,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:21,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:21,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:21,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:21,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:21,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:21,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:21,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:21,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:21,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:21,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:21,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:21,718 INFO L321 Elim1Store]: treesize reduction 102, result has 1.0 percent of original size [2022-12-14 15:48:21,718 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 16 select indices, 16 select index equivalence classes, 82 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 67 case distinctions, treesize of input 578 treesize of output 563 [2022-12-14 15:48:21,835 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 16 treesize of output 12 [2022-12-14 15:48:21,875 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 29 treesize of output 28 [2022-12-14 15:48:21,917 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 43 [2022-12-14 15:48:22,155 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 16 treesize of output 12 [2022-12-14 15:48:22,190 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 29 treesize of output 28 [2022-12-14 15:48:22,219 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 15:48:23,833 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [617572996] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:48:23,833 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-12-14 15:48:23,833 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [5, 5, 5] total 26 [2022-12-14 15:48:23,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [820983338] [2022-12-14 15:48:23,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:48:23,834 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-12-14 15:48:23,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:48:23,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-12-14 15:48:23,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=123, Invalid=579, Unknown=0, NotChecked=0, Total=702 [2022-12-14 15:48:23,834 INFO L87 Difference]: Start difference. First operand 122 states and 135 transitions. Second operand has 17 states, 16 states have (on average 1.875) internal successors, (30), 16 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 15:48:28,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:48:28,918 INFO L93 Difference]: Finished difference Result 295 states and 332 transitions. [2022-12-14 15:48:28,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-12-14 15:48:28,918 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 1.875) internal successors, (30), 16 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2022-12-14 15:48:28,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:48:28,919 INFO L225 Difference]: With dead ends: 295 [2022-12-14 15:48:28,919 INFO L226 Difference]: Without dead ends: 142 [2022-12-14 15:48:28,920 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 64 SyntacticMatches, 16 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 744 ImplicationChecksByTransitivity, 5.8s TimeCoverageRelationStatistics Valid=405, Invalid=1487, Unknown=0, NotChecked=0, Total=1892 [2022-12-14 15:48:28,920 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 215 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 560 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 215 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 598 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 560 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-12-14 15:48:28,920 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [215 Valid, 24 Invalid, 598 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 560 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-12-14 15:48:28,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2022-12-14 15:48:28,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 127. [2022-12-14 15:48:28,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 123 states have (on average 1.1382113821138211) internal successors, (140), 126 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 15:48:28,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 140 transitions. [2022-12-14 15:48:28,924 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 140 transitions. Word has length 34 [2022-12-14 15:48:28,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:48:28,924 INFO L495 AbstractCegarLoop]: Abstraction has 127 states and 140 transitions. [2022-12-14 15:48:28,924 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 1.875) internal successors, (30), 16 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 15:48:28,924 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 140 transitions. [2022-12-14 15:48:28,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-12-14 15:48:28,925 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:48:28,925 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:48:28,929 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e87df16-3bac-4096-bf71-09ad60c1b8e0/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-12-14 15:48:29,125 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e87df16-3bac-4096-bf71-09ad60c1b8e0/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-12-14 15:48:29,126 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-12-14 15:48:29,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:48:29,128 INFO L85 PathProgramCache]: Analyzing trace with hash -2146725336, now seen corresponding path program 1 times [2022-12-14 15:48:29,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:48:29,128 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [302040795] [2022-12-14 15:48:29,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:48:29,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:48:29,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:48:29,226 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 15:48:29,227 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:48:29,227 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [302040795] [2022-12-14 15:48:29,227 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [302040795] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 15:48:29,227 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1556402374] [2022-12-14 15:48:29,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:48:29,227 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 15:48:29,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e87df16-3bac-4096-bf71-09ad60c1b8e0/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 15:48:29,228 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e87df16-3bac-4096-bf71-09ad60c1b8e0/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 15:48:29,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e87df16-3bac-4096-bf71-09ad60c1b8e0/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-12-14 15:48:29,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:48:29,278 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 15:48:29,279 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 15:48:29,292 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 15:48:29,292 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 15:48:29,310 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 15:48:29,310 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1556402374] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 15:48:29,310 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [921877662] [2022-12-14 15:48:29,312 INFO L159 IcfgInterpreter]: Started Sifa with 29 locations of interest [2022-12-14 15:48:29,312 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 15:48:29,312 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 15:48:29,312 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 15:48:29,313 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 15:48:29,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:29,352 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-14 15:48:29,352 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2022-12-14 15:48:29,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:29,364 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 34 [2022-12-14 15:48:29,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:29,447 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 19 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 93 [2022-12-14 15:48:29,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:29,495 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 20 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 108 [2022-12-14 15:48:29,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:29,546 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 22 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 123 [2022-12-14 15:48:29,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:29,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:29,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:29,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:29,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:29,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:29,633 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 25 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 127 [2022-12-14 15:48:29,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:29,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:29,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:29,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:29,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:29,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:29,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:29,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:29,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:29,737 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 29 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 110 treesize of output 142 [2022-12-14 15:48:29,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:29,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:29,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:29,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:29,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:29,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:29,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:29,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:29,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:29,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:29,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:29,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:29,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:29,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:29,896 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:48:29,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:29,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:29,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:29,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:29,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:29,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:29,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:29,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:29,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:29,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:29,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:29,903 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:48:29,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:29,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:29,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:29,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:29,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:29,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:29,934 INFO L321 Elim1Store]: treesize reduction 109, result has 12.1 percent of original size [2022-12-14 15:48:29,934 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 47 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 43 case distinctions, treesize of input 665 treesize of output 656 [2022-12-14 15:48:30,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:30,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:30,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:30,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:30,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:30,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:30,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:30,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:30,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:30,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:30,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:30,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:30,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:30,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:30,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:30,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:30,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:30,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:30,332 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:48:30,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:30,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:30,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:30,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:30,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:30,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:30,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:30,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:30,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:30,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:30,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:30,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:30,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:30,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:30,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:30,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:30,344 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:48:30,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:30,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:30,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:30,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:30,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:30,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:30,358 INFO L321 Elim1Store]: treesize reduction 102, result has 1.0 percent of original size [2022-12-14 15:48:30,358 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 14 select indices, 14 select index equivalence classes, 58 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 51 case distinctions, treesize of input 560 treesize of output 548 [2022-12-14 15:48:30,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:30,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:30,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:30,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:30,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:30,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:30,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:30,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:30,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:30,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:30,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:30,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:30,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:30,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:30,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:30,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:30,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:30,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:30,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:30,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:30,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:30,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:30,562 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:48:30,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:30,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:30,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:30,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:30,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:30,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:30,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:30,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:30,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:30,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:30,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:30,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:30,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:30,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:30,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:30,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:30,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:30,574 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:48:30,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:30,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:30,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:30,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:30,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:30,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:30,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:30,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:30,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:30,590 INFO L321 Elim1Store]: treesize reduction 102, result has 1.0 percent of original size [2022-12-14 15:48:30,590 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 15 select indices, 15 select index equivalence classes, 70 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 59 case distinctions, treesize of input 566 treesize of output 557 [2022-12-14 15:48:30,754 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 16 treesize of output 12 [2022-12-14 15:48:30,808 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 29 treesize of output 28 [2022-12-14 15:48:30,847 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 43 [2022-12-14 15:48:30,879 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 16 treesize of output 12 [2022-12-14 15:48:31,241 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 16 treesize of output 12 [2022-12-14 15:48:31,265 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 29 treesize of output 28 [2022-12-14 15:48:31,275 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 15:48:33,065 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [921877662] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:48:33,065 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-12-14 15:48:33,065 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [5, 5, 5] total 27 [2022-12-14 15:48:33,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883622168] [2022-12-14 15:48:33,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:48:33,066 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-12-14 15:48:33,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:48:33,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-12-14 15:48:33,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=139, Invalid=617, Unknown=0, NotChecked=0, Total=756 [2022-12-14 15:48:33,067 INFO L87 Difference]: Start difference. First operand 127 states and 140 transitions. Second operand has 18 states, 17 states have (on average 1.7647058823529411) internal successors, (30), 17 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 15:48:37,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:48:37,411 INFO L93 Difference]: Finished difference Result 277 states and 312 transitions. [2022-12-14 15:48:37,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-12-14 15:48:37,412 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 1.7647058823529411) internal successors, (30), 17 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2022-12-14 15:48:37,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:48:37,412 INFO L225 Difference]: With dead ends: 277 [2022-12-14 15:48:37,412 INFO L226 Difference]: Without dead ends: 121 [2022-12-14 15:48:37,413 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 68 SyntacticMatches, 11 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 689 ImplicationChecksByTransitivity, 5.4s TimeCoverageRelationStatistics Valid=408, Invalid=1484, Unknown=0, NotChecked=0, Total=1892 [2022-12-14 15:48:37,413 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 282 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 504 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 282 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 551 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 504 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-12-14 15:48:37,413 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [282 Valid, 25 Invalid, 551 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 504 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-12-14 15:48:37,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2022-12-14 15:48:37,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 113. [2022-12-14 15:48:37,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 109 states have (on average 1.1376146788990826) internal successors, (124), 112 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 15:48:37,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 124 transitions. [2022-12-14 15:48:37,419 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 124 transitions. Word has length 34 [2022-12-14 15:48:37,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:48:37,419 INFO L495 AbstractCegarLoop]: Abstraction has 113 states and 124 transitions. [2022-12-14 15:48:37,419 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 1.7647058823529411) internal successors, (30), 17 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 15:48:37,420 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 124 transitions. [2022-12-14 15:48:37,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-12-14 15:48:37,420 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:48:37,420 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:48:37,424 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e87df16-3bac-4096-bf71-09ad60c1b8e0/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-12-14 15:48:37,621 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e87df16-3bac-4096-bf71-09ad60c1b8e0/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 15:48:37,622 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-12-14 15:48:37,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:48:37,623 INFO L85 PathProgramCache]: Analyzing trace with hash -315516130, now seen corresponding path program 1 times [2022-12-14 15:48:37,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:48:37,624 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [41078747] [2022-12-14 15:48:37,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:48:37,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:48:37,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:48:37,711 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 15:48:37,711 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:48:37,711 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [41078747] [2022-12-14 15:48:37,711 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [41078747] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 15:48:37,711 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1095164503] [2022-12-14 15:48:37,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:48:37,711 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 15:48:37,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e87df16-3bac-4096-bf71-09ad60c1b8e0/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 15:48:37,712 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e87df16-3bac-4096-bf71-09ad60c1b8e0/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 15:48:37,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e87df16-3bac-4096-bf71-09ad60c1b8e0/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-12-14 15:48:37,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:48:37,762 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 15:48:37,764 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 15:48:37,777 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 15:48:37,777 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 15:48:37,793 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 15:48:37,793 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1095164503] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 15:48:37,793 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1048162652] [2022-12-14 15:48:37,795 INFO L159 IcfgInterpreter]: Started Sifa with 29 locations of interest [2022-12-14 15:48:37,795 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 15:48:37,795 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 15:48:37,795 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 15:48:37,795 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 15:48:37,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:37,830 INFO L321 Elim1Store]: treesize reduction 28, result has 40.4 percent of original size [2022-12-14 15:48:37,831 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 42 [2022-12-14 15:48:37,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:37,862 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-14 15:48:37,862 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2022-12-14 15:48:37,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:37,924 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 19 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 93 [2022-12-14 15:48:37,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:37,987 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 20 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 108 [2022-12-14 15:48:38,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:38,035 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 22 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 123 [2022-12-14 15:48:38,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:38,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:38,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:38,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:38,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:38,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:38,115 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 25 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 127 [2022-12-14 15:48:38,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:38,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:38,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:38,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:38,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:38,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:38,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:38,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:38,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:38,179 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 29 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 110 treesize of output 142 [2022-12-14 15:48:38,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:38,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:38,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:38,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:38,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:38,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:38,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:38,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:38,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:38,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:38,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:38,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:38,227 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 34 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 122 treesize of output 157 [2022-12-14 15:48:38,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:38,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:38,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:38,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:38,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:38,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:38,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:38,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:38,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:38,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:38,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:38,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:38,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:38,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:38,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:38,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:38,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:38,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:38,555 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:48:38,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:38,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:38,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:38,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:38,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:38,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:38,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:38,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:38,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:38,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:38,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:38,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:38,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:38,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:38,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:38,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:38,565 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:48:38,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:38,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:38,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:38,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:38,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:38,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:38,577 INFO L321 Elim1Store]: treesize reduction 102, result has 1.0 percent of original size [2022-12-14 15:48:38,578 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 14 select indices, 14 select index equivalence classes, 58 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 51 case distinctions, treesize of input 566 treesize of output 545 [2022-12-14 15:48:38,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:38,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:38,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:38,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:38,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:38,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:38,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:38,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:38,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:38,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:38,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:38,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:38,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:38,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:38,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:38,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:38,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:38,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:38,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:38,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:38,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:38,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:38,766 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:48:38,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:38,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:38,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:38,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:38,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:38,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:38,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:38,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:38,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:38,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:38,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:38,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:38,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:38,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:38,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:38,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:38,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:38,778 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:48:38,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:38,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:38,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:38,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:38,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:38,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:38,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:38,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:38,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:38,794 INFO L321 Elim1Store]: treesize reduction 102, result has 1.0 percent of original size [2022-12-14 15:48:38,794 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 15 select indices, 15 select index equivalence classes, 70 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 59 case distinctions, treesize of input 572 treesize of output 554 [2022-12-14 15:48:38,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:38,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:38,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:38,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:38,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:38,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:38,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:38,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:38,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:38,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:38,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:38,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:38,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:38,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:38,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:38,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:38,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:38,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:38,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:38,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:38,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:38,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:39,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:39,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:39,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:39,002 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:48:39,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:39,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:39,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:39,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:39,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:39,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:39,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:39,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:39,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:39,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:39,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:39,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:39,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:39,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:39,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:39,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:39,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:39,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:39,016 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:48:39,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:39,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:39,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:39,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:39,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:39,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:39,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:39,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:39,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:39,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:39,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:39,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:48:39,036 INFO L321 Elim1Store]: treesize reduction 102, result has 1.0 percent of original size [2022-12-14 15:48:39,036 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 16 select indices, 16 select index equivalence classes, 82 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 67 case distinctions, treesize of input 578 treesize of output 563 [2022-12-14 15:48:39,111 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 16 treesize of output 12 [2022-12-14 15:48:39,129 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 29 treesize of output 28 [2022-12-14 15:48:39,155 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 43 [2022-12-14 15:48:39,398 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 16 treesize of output 12 [2022-12-14 15:48:39,500 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 16 treesize of output 12 [2022-12-14 15:48:39,511 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 15:48:41,661 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1048162652] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:48:41,661 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-12-14 15:48:41,661 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [5, 5, 5] total 24 [2022-12-14 15:48:41,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906073761] [2022-12-14 15:48:41,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:48:41,662 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-12-14 15:48:41,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:48:41,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-12-14 15:48:41,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=501, Unknown=0, NotChecked=0, Total=600 [2022-12-14 15:48:41,662 INFO L87 Difference]: Start difference. First operand 113 states and 124 transitions. Second operand has 15 states, 14 states have (on average 2.142857142857143) internal successors, (30), 14 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 15:48:45,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:48:45,433 INFO L93 Difference]: Finished difference Result 212 states and 242 transitions. [2022-12-14 15:48:45,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-14 15:48:45,433 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 2.142857142857143) internal successors, (30), 14 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2022-12-14 15:48:45,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:48:45,433 INFO L225 Difference]: With dead ends: 212 [2022-12-14 15:48:45,433 INFO L226 Difference]: Without dead ends: 0 [2022-12-14 15:48:45,434 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 64 SyntacticMatches, 18 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 592 ImplicationChecksByTransitivity, 5.5s TimeCoverageRelationStatistics Valid=254, Invalid=1006, Unknown=0, NotChecked=0, Total=1260 [2022-12-14 15:48:45,434 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 183 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 218 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 1 SdHoareTripleChecker+Invalid, 257 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 218 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-12-14 15:48:45,435 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [183 Valid, 1 Invalid, 257 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 218 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-12-14 15:48:45,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-14 15:48:45,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-14 15:48:45,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 15:48:45,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-14 15:48:45,435 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 34 [2022-12-14 15:48:45,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:48:45,436 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-14 15:48:45,436 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 2.142857142857143) internal successors, (30), 14 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 15:48:45,436 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-14 15:48:45,436 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 15:48:45,438 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 30 remaining) [2022-12-14 15:48:45,438 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 30 remaining) [2022-12-14 15:48:45,438 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 30 remaining) [2022-12-14 15:48:45,438 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 30 remaining) [2022-12-14 15:48:45,439 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 30 remaining) [2022-12-14 15:48:45,439 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 30 remaining) [2022-12-14 15:48:45,439 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 30 remaining) [2022-12-14 15:48:45,439 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 30 remaining) [2022-12-14 15:48:45,439 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 30 remaining) [2022-12-14 15:48:45,439 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 30 remaining) [2022-12-14 15:48:45,439 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 30 remaining) [2022-12-14 15:48:45,439 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 30 remaining) [2022-12-14 15:48:45,439 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 30 remaining) [2022-12-14 15:48:45,440 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 30 remaining) [2022-12-14 15:48:45,440 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 30 remaining) [2022-12-14 15:48:45,440 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 30 remaining) [2022-12-14 15:48:45,440 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 30 remaining) [2022-12-14 15:48:45,440 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 30 remaining) [2022-12-14 15:48:45,440 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 30 remaining) [2022-12-14 15:48:45,440 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 30 remaining) [2022-12-14 15:48:45,440 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 30 remaining) [2022-12-14 15:48:45,440 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 30 remaining) [2022-12-14 15:48:45,441 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 30 remaining) [2022-12-14 15:48:45,441 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 30 remaining) [2022-12-14 15:48:45,441 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 30 remaining) [2022-12-14 15:48:45,441 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 30 remaining) [2022-12-14 15:48:45,441 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 30 remaining) [2022-12-14 15:48:45,441 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 30 remaining) [2022-12-14 15:48:45,441 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 30 remaining) [2022-12-14 15:48:45,441 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 30 remaining) [2022-12-14 15:48:45,445 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e87df16-3bac-4096-bf71-09ad60c1b8e0/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2022-12-14 15:48:45,642 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e87df16-3bac-4096-bf71-09ad60c1b8e0/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-12-14 15:48:45,648 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-14 15:48:46,966 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 32) no Hoare annotation was computed. [2022-12-14 15:48:46,966 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW(line 54) no Hoare annotation was computed. [2022-12-14 15:48:46,966 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW(line 45) no Hoare annotation was computed. [2022-12-14 15:48:46,966 INFO L902 garLoopResultBuilder]: At program point main_returnLabel#1(lines 13 64) the Hoare annotation is: true [2022-12-14 15:48:46,966 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 36) no Hoare annotation was computed. [2022-12-14 15:48:46,966 INFO L899 garLoopResultBuilder]: For program point L36(line 36) no Hoare annotation was computed. [2022-12-14 15:48:46,966 INFO L899 garLoopResultBuilder]: For program point L36-1(line 36) no Hoare annotation was computed. [2022-12-14 15:48:46,966 INFO L899 garLoopResultBuilder]: For program point L36-2(line 36) no Hoare annotation was computed. [2022-12-14 15:48:46,966 INFO L899 garLoopResultBuilder]: For program point L36-3(line 36) no Hoare annotation was computed. [2022-12-14 15:48:46,966 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2022-12-14 15:48:46,967 INFO L899 garLoopResultBuilder]: For program point L28-1(line 28) no Hoare annotation was computed. [2022-12-14 15:48:46,967 INFO L899 garLoopResultBuilder]: For program point L28-2(lines 28 56) no Hoare annotation was computed. [2022-12-14 15:48:46,967 INFO L899 garLoopResultBuilder]: For program point L28-4(lines 28 56) no Hoare annotation was computed. [2022-12-14 15:48:46,967 INFO L899 garLoopResultBuilder]: For program point L28-5(line 28) no Hoare annotation was computed. [2022-12-14 15:48:46,967 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW(line 45) no Hoare annotation was computed. [2022-12-14 15:48:46,967 INFO L899 garLoopResultBuilder]: For program point L28-6(line 28) no Hoare annotation was computed. [2022-12-14 15:48:46,968 INFO L895 garLoopResultBuilder]: At program point L28-7(lines 28 56) the Hoare annotation is: (let ((.cse38 (select |#memory_int| 1)) (.cse37 (select |#memory_int| 2)) (.cse36 (div ~CELLCOUNT~0 3))) (let ((.cse0 (= ~CELLCOUNT~0 (* .cse36 3))) (.cse7 (<= 2 ~CELLCOUNT~0)) (.cse13 (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|)) (.cse14 (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|)) (.cse18 (<= 2 |ULTIMATE.start_main_~i~0#1|)) (.cse26 (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1)) (.cse29 (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1)) (.cse1 (= (select |#length| 3) 12)) (.cse2 (= |ULTIMATE.start_main_~CCCELVOL3~0#1| 7)) (.cse3 (= (* (mod ~CELLCOUNT~0 1073741824) 4) (select |#length| |ULTIMATE.start_main_~#volArray~0#1.base|))) (.cse4 (= (select |#valid| |ULTIMATE.start_main_~#volArray~0#1.base|) 1)) (.cse5 (= (select .cse37 5) 0)) (.cse6 (= 114 (select .cse37 1))) (.cse8 (= 2 (select |#length| 1))) (.cse9 (= (select |#valid| 3) 1)) (.cse10 (<= ~CELLCOUNT~0 2147483647)) (.cse11 (= |ULTIMATE.start_main_~CCCELVOL1~0#1| 1)) (.cse12 (= |ULTIMATE.start_main_~#volArray~0#1.offset| 0)) (.cse15 (= 51 (select .cse37 2))) (.cse16 (= (select |#valid| 1) 1)) (.cse17 (= |ULTIMATE.start_main_~CCCELVOL2~0#1| 3)) (.cse19 (= (select .cse37 4) 99)) (.cse20 (= 112 (select .cse37 0))) (.cse21 (= (select |#valid| 0) 0)) (.cse22 (not (= |ULTIMATE.start_main_~#volArray~0#1.base| 3))) (.cse23 (= (select |#valid| 2) 1)) (.cse24 (= |#NULL.offset| 0)) (.cse25 (= (select .cse38 0) 48)) (.cse27 (= (select .cse38 1) 0)) (.cse28 (< |#StackHeapBarrier| |ULTIMATE.start_main_~#volArray~0#1.base|)) (.cse30 (= 46 (select .cse37 3))) (.cse31 (= 6 (select |#length| 2))) (.cse32 (< 0 |#StackHeapBarrier|)) (.cse33 (= |#NULL.base| 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 (<= |ULTIMATE.start_main_~i~0#1| 715827883) .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32 .cse33) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (<= |ULTIMATE.start_main_~i~0#1| 2147483647) .cse6 .cse7 .cse8 .cse9 (<= 1 |ULTIMATE.start_main_~MINVAL~0#1|) .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32 .cse33) (let ((.cse35 (mod ~CELLCOUNT~0 3))) (let ((.cse34 (and (not (= .cse35 0)) (< ~CELLCOUNT~0 0)))) (and .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse8 (= |ULTIMATE.start_main_~i~0#1| 1) .cse9 (= (ite (= (ite .cse34 (+ .cse35 (- 3)) .cse35) 0) 1 0) |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) .cse10 (<= |ULTIMATE.start_main_~i~0#1| (ite .cse34 (+ .cse36 1) .cse36)) .cse11 .cse12 (= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| |ULTIMATE.start_assume_abort_if_not_~cond#1|) .cse15 .cse16 .cse17 .cse19 .cse20 .cse21 (not (= |ULTIMATE.start_assume_abort_if_not_~cond#1| 0)) .cse22 .cse23 .cse24 .cse25 .cse27 .cse28 .cse30 .cse31 .cse32 .cse33)))))) [2022-12-14 15:48:46,968 INFO L899 garLoopResultBuilder]: For program point L28-8(lines 28 56) no Hoare annotation was computed. [2022-12-14 15:48:46,968 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW(line 54) no Hoare annotation was computed. [2022-12-14 15:48:46,968 INFO L899 garLoopResultBuilder]: For program point L45(line 45) no Hoare annotation was computed. [2022-12-14 15:48:46,968 INFO L899 garLoopResultBuilder]: For program point L45-1(line 45) no Hoare annotation was computed. [2022-12-14 15:48:46,969 INFO L899 garLoopResultBuilder]: For program point L45-2(line 45) no Hoare annotation was computed. [2022-12-14 15:48:46,969 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 36) no Hoare annotation was computed. [2022-12-14 15:48:46,969 INFO L899 garLoopResultBuilder]: For program point L45-3(line 45) no Hoare annotation was computed. [2022-12-14 15:48:46,969 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2022-12-14 15:48:46,969 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW(line 45) no Hoare annotation was computed. [2022-12-14 15:48:46,969 INFO L899 garLoopResultBuilder]: For program point L54(line 54) no Hoare annotation was computed. [2022-12-14 15:48:46,969 INFO L899 garLoopResultBuilder]: For program point L54-1(line 54) no Hoare annotation was computed. [2022-12-14 15:48:46,969 INFO L899 garLoopResultBuilder]: For program point L54-2(line 54) no Hoare annotation was computed. [2022-12-14 15:48:46,969 INFO L899 garLoopResultBuilder]: For program point L54-3(line 54) no Hoare annotation was computed. [2022-12-14 15:48:46,969 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW(line 54) no Hoare annotation was computed. [2022-12-14 15:48:46,969 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 36) no Hoare annotation was computed. [2022-12-14 15:48:46,970 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2022-12-14 15:48:46,970 INFO L899 garLoopResultBuilder]: For program point L30(lines 30 37) no Hoare annotation was computed. [2022-12-14 15:48:46,970 INFO L899 garLoopResultBuilder]: For program point L30-2(lines 29 56) no Hoare annotation was computed. [2022-12-14 15:48:46,970 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW(line 50) no Hoare annotation was computed. [2022-12-14 15:48:46,970 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2022-12-14 15:48:46,970 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW(line 41) no Hoare annotation was computed. [2022-12-14 15:48:46,970 INFO L899 garLoopResultBuilder]: For program point L39-1(lines 29 56) no Hoare annotation was computed. [2022-12-14 15:48:46,970 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW(line 50) no Hoare annotation was computed. [2022-12-14 15:48:46,970 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2022-12-14 15:48:46,970 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW(line 41) no Hoare annotation was computed. [2022-12-14 15:48:46,970 INFO L899 garLoopResultBuilder]: For program point L32(line 32) no Hoare annotation was computed. [2022-12-14 15:48:46,970 INFO L899 garLoopResultBuilder]: For program point L32-1(line 32) no Hoare annotation was computed. [2022-12-14 15:48:46,971 INFO L899 garLoopResultBuilder]: For program point L32-2(line 32) no Hoare annotation was computed. [2022-12-14 15:48:46,971 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 32) no Hoare annotation was computed. [2022-12-14 15:48:46,971 INFO L899 garLoopResultBuilder]: For program point L32-3(line 32) no Hoare annotation was computed. [2022-12-14 15:48:46,971 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW(line 58) no Hoare annotation was computed. [2022-12-14 15:48:46,971 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW(line 50) no Hoare annotation was computed. [2022-12-14 15:48:46,971 INFO L899 garLoopResultBuilder]: For program point L16(lines 16 62) no Hoare annotation was computed. [2022-12-14 15:48:46,971 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW(line 41) no Hoare annotation was computed. [2022-12-14 15:48:46,971 INFO L899 garLoopResultBuilder]: For program point L16-2(lines 16 62) no Hoare annotation was computed. [2022-12-14 15:48:46,971 INFO L899 garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed. [2022-12-14 15:48:46,971 INFO L899 garLoopResultBuilder]: For program point L41-1(line 41) no Hoare annotation was computed. [2022-12-14 15:48:46,971 INFO L899 garLoopResultBuilder]: For program point L41-2(line 41) no Hoare annotation was computed. [2022-12-14 15:48:46,971 INFO L899 garLoopResultBuilder]: For program point L41-3(line 41) no Hoare annotation was computed. [2022-12-14 15:48:46,972 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-12-14 15:48:46,972 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 32) no Hoare annotation was computed. [2022-12-14 15:48:46,972 INFO L899 garLoopResultBuilder]: For program point L25(line 25) no Hoare annotation was computed. [2022-12-14 15:48:46,972 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW(line 58) no Hoare annotation was computed. [2022-12-14 15:48:46,972 INFO L899 garLoopResultBuilder]: For program point L58-3(line 58) no Hoare annotation was computed. [2022-12-14 15:48:46,972 INFO L899 garLoopResultBuilder]: For program point L58-4(line 58) no Hoare annotation was computed. [2022-12-14 15:48:46,972 INFO L895 garLoopResultBuilder]: At program point L58-5(lines 58 61) the Hoare annotation is: (let ((.cse34 (select |#memory_int| 1)) (.cse33 (select |#memory_int| 2))) (let ((.cse0 (= ~CELLCOUNT~0 (* (div ~CELLCOUNT~0 3) 3))) (.cse1 (= (select |#length| 3) 12)) (.cse2 (= |ULTIMATE.start_main_~CCCELVOL3~0#1| 7)) (.cse3 (= (* (mod ~CELLCOUNT~0 1073741824) 4) (select |#length| |ULTIMATE.start_main_~#volArray~0#1.base|))) (.cse4 (= (select |#valid| |ULTIMATE.start_main_~#volArray~0#1.base|) 1)) (.cse5 (= (select .cse33 5) 0)) (.cse6 (= 114 (select .cse33 1))) (.cse7 (<= 2 ~CELLCOUNT~0)) (.cse8 (= 2 (select |#length| 1))) (.cse9 (= (select |#valid| 3) 1)) (.cse10 (<= ~CELLCOUNT~0 2147483647)) (.cse11 (= |ULTIMATE.start_main_~CCCELVOL1~0#1| 1)) (.cse12 (= |ULTIMATE.start_main_~#volArray~0#1.offset| 0)) (.cse13 (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|)) (.cse14 (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|)) (.cse15 (= 51 (select .cse33 2))) (.cse16 (= (select |#valid| 1) 1)) (.cse17 (= |ULTIMATE.start_main_~CCCELVOL2~0#1| 3)) (.cse18 (= (select .cse33 4) 99)) (.cse19 (= 112 (select .cse33 0))) (.cse20 (= (select |#valid| 0) 0)) (.cse21 (not (= |ULTIMATE.start_main_~#volArray~0#1.base| 3))) (.cse22 (= (select |#valid| 2) 1)) (.cse23 (= |#NULL.offset| 0)) (.cse24 (= (select .cse34 0) 48)) (.cse25 (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1)) (.cse26 (= (select .cse34 1) 0)) (.cse27 (< |#StackHeapBarrier| |ULTIMATE.start_main_~#volArray~0#1.base|)) (.cse28 (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1)) (.cse29 (= 46 (select .cse33 3))) (.cse30 (= 6 (select |#length| 2))) (.cse31 (< 0 |#StackHeapBarrier|)) (.cse32 (= |#NULL.base| 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= |ULTIMATE.start_main_~i~0#1| 0) .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (<= 1 |ULTIMATE.start_main_~i~0#1|) .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32)))) [2022-12-14 15:48:46,972 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW(line 50) no Hoare annotation was computed. [2022-12-14 15:48:46,973 INFO L899 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed. [2022-12-14 15:48:46,973 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW(line 41) no Hoare annotation was computed. [2022-12-14 15:48:46,973 INFO L899 garLoopResultBuilder]: For program point L50-1(line 50) no Hoare annotation was computed. [2022-12-14 15:48:46,973 INFO L899 garLoopResultBuilder]: For program point L50-2(line 50) no Hoare annotation was computed. [2022-12-14 15:48:46,973 INFO L899 garLoopResultBuilder]: For program point L50-3(line 50) no Hoare annotation was computed. [2022-12-14 15:48:46,973 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW(line 54) no Hoare annotation was computed. [2022-12-14 15:48:46,973 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 32) no Hoare annotation was computed. [2022-12-14 15:48:46,973 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW(line 45) no Hoare annotation was computed. [2022-12-14 15:48:46,973 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 36) no Hoare annotation was computed. [2022-12-14 15:48:46,976 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:48:46,978 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 15:48:46,995 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 03:48:46 BoogieIcfgContainer [2022-12-14 15:48:46,995 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 15:48:46,996 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 15:48:46,996 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 15:48:46,996 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 15:48:46,996 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 03:47:58" (3/4) ... [2022-12-14 15:48:46,998 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 15:48:47,008 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2022-12-14 15:48:47,009 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2022-12-14 15:48:47,009 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-12-14 15:48:47,009 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 15:48:47,009 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 15:48:47,026 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((((((((((((((((((((CELLCOUNT == CELLCOUNT / 3 * 3 && unknown-#length-unknown[3] == 12) && CCCELVOL3 == 7) && CELLCOUNT % 1073741824 * 4 == unknown-#length-unknown[volArray]) && \valid[volArray] == 1) && unknown-#memory_int-unknown[2][5] == 0) && 114 == unknown-#memory_int-unknown[2][1]) && 2 <= CELLCOUNT) && 2 == unknown-#length-unknown[1]) && \valid[3] == 1) && CELLCOUNT <= 2147483647) && CCCELVOL1 == 1) && volArray == 0) && 0 <= \old(cond)) && 0 <= cond) && 51 == unknown-#memory_int-unknown[2][2]) && \valid[1] == 1) && CCCELVOL2 == 3) && 2 <= i) && i <= 715827883) && unknown-#memory_int-unknown[2][4] == 99) && 112 == unknown-#memory_int-unknown[2][0]) && \valid[0] == 0) && !(volArray == 3)) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[1][0] == 48) && \old(cond) <= 1) && unknown-#memory_int-unknown[1][1] == 0) && unknown-#StackHeapBarrier-unknown < volArray) && cond <= 1) && 46 == unknown-#memory_int-unknown[2][3]) && 6 == unknown-#length-unknown[2]) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) || (((((((((((((((((((((((((((((((((((CELLCOUNT == CELLCOUNT / 3 * 3 && unknown-#length-unknown[3] == 12) && CCCELVOL3 == 7) && CELLCOUNT % 1073741824 * 4 == unknown-#length-unknown[volArray]) && \valid[volArray] == 1) && unknown-#memory_int-unknown[2][5] == 0) && i <= 2147483647) && 114 == unknown-#memory_int-unknown[2][1]) && 2 <= CELLCOUNT) && 2 == unknown-#length-unknown[1]) && \valid[3] == 1) && 1 <= MINVAL) && CELLCOUNT <= 2147483647) && CCCELVOL1 == 1) && volArray == 0) && 0 <= \old(cond)) && 0 <= cond) && 51 == unknown-#memory_int-unknown[2][2]) && \valid[1] == 1) && CCCELVOL2 == 3) && 2 <= i) && unknown-#memory_int-unknown[2][4] == 99) && 112 == unknown-#memory_int-unknown[2][0]) && \valid[0] == 0) && !(volArray == 3)) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[1][0] == 48) && \old(cond) <= 1) && unknown-#memory_int-unknown[1][1] == 0) && unknown-#StackHeapBarrier-unknown < volArray) && cond <= 1) && 46 == unknown-#memory_int-unknown[2][3]) && 6 == unknown-#length-unknown[2]) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0)) || (((((((((((((((((((((((((((((((unknown-#length-unknown[3] == 12 && CCCELVOL3 == 7) && CELLCOUNT % 1073741824 * 4 == unknown-#length-unknown[volArray]) && \valid[volArray] == 1) && unknown-#memory_int-unknown[2][5] == 0) && 114 == unknown-#memory_int-unknown[2][1]) && 2 == unknown-#length-unknown[1]) && i == 1) && \valid[3] == 1) && (if (if !(CELLCOUNT % 3 == 0) && CELLCOUNT < 0 then CELLCOUNT % 3 + -3 else CELLCOUNT % 3) == 0 then 1 else 0) == \old(cond)) && CELLCOUNT <= 2147483647) && i <= (if !(CELLCOUNT % 3 == 0) && CELLCOUNT < 0 then CELLCOUNT / 3 + 1 else CELLCOUNT / 3)) && CCCELVOL1 == 1) && volArray == 0) && \old(cond) == cond) && 51 == unknown-#memory_int-unknown[2][2]) && \valid[1] == 1) && CCCELVOL2 == 3) && unknown-#memory_int-unknown[2][4] == 99) && 112 == unknown-#memory_int-unknown[2][0]) && \valid[0] == 0) && !(cond == 0)) && !(volArray == 3)) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[1][0] == 48) && unknown-#memory_int-unknown[1][1] == 0) && unknown-#StackHeapBarrier-unknown < volArray) && 46 == unknown-#memory_int-unknown[2][3]) && 6 == unknown-#length-unknown[2]) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) [2022-12-14 15:48:47,026 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((((((((((((((((((CELLCOUNT == CELLCOUNT / 3 * 3 && unknown-#length-unknown[3] == 12) && CCCELVOL3 == 7) && CELLCOUNT % 1073741824 * 4 == unknown-#length-unknown[volArray]) && \valid[volArray] == 1) && i == 0) && unknown-#memory_int-unknown[2][5] == 0) && 114 == unknown-#memory_int-unknown[2][1]) && 2 <= CELLCOUNT) && 2 == unknown-#length-unknown[1]) && \valid[3] == 1) && CELLCOUNT <= 2147483647) && CCCELVOL1 == 1) && volArray == 0) && 0 <= \old(cond)) && 0 <= cond) && 51 == unknown-#memory_int-unknown[2][2]) && \valid[1] == 1) && CCCELVOL2 == 3) && unknown-#memory_int-unknown[2][4] == 99) && 112 == unknown-#memory_int-unknown[2][0]) && \valid[0] == 0) && !(volArray == 3)) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[1][0] == 48) && \old(cond) <= 1) && unknown-#memory_int-unknown[1][1] == 0) && unknown-#StackHeapBarrier-unknown < volArray) && cond <= 1) && 46 == unknown-#memory_int-unknown[2][3]) && 6 == unknown-#length-unknown[2]) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) || (((((((((((((((((((((((((((((((((CELLCOUNT == CELLCOUNT / 3 * 3 && unknown-#length-unknown[3] == 12) && CCCELVOL3 == 7) && CELLCOUNT % 1073741824 * 4 == unknown-#length-unknown[volArray]) && \valid[volArray] == 1) && unknown-#memory_int-unknown[2][5] == 0) && 1 <= i) && 114 == unknown-#memory_int-unknown[2][1]) && 2 <= CELLCOUNT) && 2 == unknown-#length-unknown[1]) && \valid[3] == 1) && CELLCOUNT <= 2147483647) && CCCELVOL1 == 1) && volArray == 0) && 0 <= \old(cond)) && 0 <= cond) && 51 == unknown-#memory_int-unknown[2][2]) && \valid[1] == 1) && CCCELVOL2 == 3) && unknown-#memory_int-unknown[2][4] == 99) && 112 == unknown-#memory_int-unknown[2][0]) && \valid[0] == 0) && !(volArray == 3)) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[1][0] == 48) && \old(cond) <= 1) && unknown-#memory_int-unknown[1][1] == 0) && unknown-#StackHeapBarrier-unknown < volArray) && cond <= 1) && 46 == unknown-#memory_int-unknown[2][3]) && 6 == unknown-#length-unknown[2]) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) [2022-12-14 15:48:47,034 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e87df16-3bac-4096-bf71-09ad60c1b8e0/bin/utaipan-gh47qXpMRh/witness.graphml [2022-12-14 15:48:47,034 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 15:48:47,035 INFO L158 Benchmark]: Toolchain (without parser) took 49541.07ms. Allocated memory was 121.6MB in the beginning and 211.8MB in the end (delta: 90.2MB). Free memory was 86.1MB in the beginning and 108.7MB in the end (delta: -22.7MB). Peak memory consumption was 69.3MB. Max. memory is 16.1GB. [2022-12-14 15:48:47,035 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 121.6MB. Free memory was 95.4MB in the beginning and 95.2MB in the end (delta: 153.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 15:48:47,035 INFO L158 Benchmark]: CACSL2BoogieTranslator took 185.69ms. Allocated memory is still 121.6MB. Free memory was 85.8MB in the beginning and 74.9MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-14 15:48:47,035 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.14ms. Allocated memory is still 121.6MB. Free memory was 74.9MB in the beginning and 73.2MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 15:48:47,035 INFO L158 Benchmark]: Boogie Preprocessor took 18.14ms. Allocated memory is still 121.6MB. Free memory was 73.2MB in the beginning and 71.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 15:48:47,035 INFO L158 Benchmark]: RCFGBuilder took 374.06ms. Allocated memory is still 121.6MB. Free memory was 71.8MB in the beginning and 52.9MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-14 15:48:47,036 INFO L158 Benchmark]: TraceAbstraction took 48892.18ms. Allocated memory was 121.6MB in the beginning and 211.8MB in the end (delta: 90.2MB). Free memory was 52.2MB in the beginning and 112.9MB in the end (delta: -60.7MB). Peak memory consumption was 90.7MB. Max. memory is 16.1GB. [2022-12-14 15:48:47,036 INFO L158 Benchmark]: Witness Printer took 38.34ms. Allocated memory is still 211.8MB. Free memory was 112.9MB in the beginning and 108.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 15:48:47,037 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 121.6MB. Free memory was 95.4MB in the beginning and 95.2MB in the end (delta: 153.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 185.69ms. Allocated memory is still 121.6MB. Free memory was 85.8MB in the beginning and 74.9MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.14ms. Allocated memory is still 121.6MB. Free memory was 74.9MB in the beginning and 73.2MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.14ms. Allocated memory is still 121.6MB. Free memory was 73.2MB in the beginning and 71.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 374.06ms. Allocated memory is still 121.6MB. Free memory was 71.8MB in the beginning and 52.9MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 48892.18ms. Allocated memory was 121.6MB in the beginning and 211.8MB in the end (delta: 90.2MB). Free memory was 52.2MB in the beginning and 112.9MB in the end (delta: -60.7MB). Peak memory consumption was 90.7MB. Max. memory is 16.1GB. * Witness Printer took 38.34ms. Allocated memory is still 211.8MB. Free memory was 112.9MB in the beginning and 108.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 54]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 54]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 54]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 54]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 58]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 58]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 73 locations, 30 error locations. Started 1 CEGAR loops. OverallTime: 48.8s, OverallIterations: 14, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 20.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1985 SdHoareTripleChecker+Valid, 4.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1985 mSDsluCounter, 803 SdHoareTripleChecker+Invalid, 3.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 392 mSDsCounter, 293 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3169 IncrementalHoareTripleChecker+Invalid, 3462 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 293 mSolverCounterUnsat, 411 mSDtfsCounter, 3169 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 768 GetRequests, 446 SyntacticMatches, 86 SemanticMatches, 236 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3341 ImplicationChecksByTransitivity, 26.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=148occurred in iteration=9, InterpolantAutomatonStates: 131, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 14 MinimizatonAttempts, 160 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 21 NumberOfFragments, 854 HoareAnnotationTreeSize, 3 FomulaSimplifications, 324 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 2340 FormulaSimplificationTreeSizeReductionInter, 1.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 577 NumberOfCodeBlocks, 577 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 745 ConstructedInterpolants, 0 QuantifiedInterpolants, 1520 SizeOfPredicates, 13 NumberOfNonLiveVariables, 995 ConjunctsInSsa, 37 ConjunctsInUnsatCore, 28 InterpolantComputations, 8 PerfectInterpolantSequences, 51/130 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: OVERALL_TIME: 10.4s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 5, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 160, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 564, TOOLS_POST_TIME: 9.5s, TOOLS_POST_CALL_APPLICATIONS: 0, TOOLS_POST_CALL_TIME: 0.0s, TOOLS_POST_RETURN_APPLICATIONS: 0, TOOLS_POST_RETURN_TIME: 0.0s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 564, TOOLS_QUANTIFIERELIM_TIME: 9.3s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.2s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 765, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 49, DOMAIN_JOIN_TIME: 0.3s, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 14, DOMAIN_WIDEN_TIME: 0.2s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 23, DOMAIN_ISSUBSETEQ_TIME: 0.1s, DOMAIN_ISBOTTOM_APPLICATIONS: 160, DOMAIN_ISBOTTOM_TIME: 0.2s, LOOP_SUMMARIZER_APPLICATIONS: 9, LOOP_SUMMARIZER_CACHE_MISSES: 9, LOOP_SUMMARIZER_OVERALL_TIME: 7.6s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 7.6s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 23, CALL_SUMMARIZER_APPLICATIONS: 0, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME: 0.0s, CALL_SUMMARIZER_NEW_COMPUTATION_TIME: 0.0s, PROCEDURE_GRAPH_BUILDER_TIME: 0.0s, PATH_EXPR_TIME: 0.0s, REGEX_TO_DAG_TIME: 0.0s, DAG_COMPRESSION_TIME: 0.0s, DAG_COMPRESSION_PROCESSED_NODES: 5397, DAG_COMPRESSION_RETAINED_NODES: 521, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 30 specifications checked. All of them hold - InvariantResult [Line: 13]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 58]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((CELLCOUNT == CELLCOUNT / 3 * 3 && unknown-#length-unknown[3] == 12) && CCCELVOL3 == 7) && CELLCOUNT % 1073741824 * 4 == unknown-#length-unknown[volArray]) && \valid[volArray] == 1) && i == 0) && unknown-#memory_int-unknown[2][5] == 0) && 114 == unknown-#memory_int-unknown[2][1]) && 2 <= CELLCOUNT) && 2 == unknown-#length-unknown[1]) && \valid[3] == 1) && CELLCOUNT <= 2147483647) && CCCELVOL1 == 1) && volArray == 0) && 0 <= \old(cond)) && 0 <= cond) && 51 == unknown-#memory_int-unknown[2][2]) && \valid[1] == 1) && CCCELVOL2 == 3) && unknown-#memory_int-unknown[2][4] == 99) && 112 == unknown-#memory_int-unknown[2][0]) && \valid[0] == 0) && !(volArray == 3)) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[1][0] == 48) && \old(cond) <= 1) && unknown-#memory_int-unknown[1][1] == 0) && unknown-#StackHeapBarrier-unknown < volArray) && cond <= 1) && 46 == unknown-#memory_int-unknown[2][3]) && 6 == unknown-#length-unknown[2]) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) || (((((((((((((((((((((((((((((((((CELLCOUNT == CELLCOUNT / 3 * 3 && unknown-#length-unknown[3] == 12) && CCCELVOL3 == 7) && CELLCOUNT % 1073741824 * 4 == unknown-#length-unknown[volArray]) && \valid[volArray] == 1) && unknown-#memory_int-unknown[2][5] == 0) && 1 <= i) && 114 == unknown-#memory_int-unknown[2][1]) && 2 <= CELLCOUNT) && 2 == unknown-#length-unknown[1]) && \valid[3] == 1) && CELLCOUNT <= 2147483647) && CCCELVOL1 == 1) && volArray == 0) && 0 <= \old(cond)) && 0 <= cond) && 51 == unknown-#memory_int-unknown[2][2]) && \valid[1] == 1) && CCCELVOL2 == 3) && unknown-#memory_int-unknown[2][4] == 99) && 112 == unknown-#memory_int-unknown[2][0]) && \valid[0] == 0) && !(volArray == 3)) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[1][0] == 48) && \old(cond) <= 1) && unknown-#memory_int-unknown[1][1] == 0) && unknown-#StackHeapBarrier-unknown < volArray) && cond <= 1) && 46 == unknown-#memory_int-unknown[2][3]) && 6 == unknown-#length-unknown[2]) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) - InvariantResult [Line: 28]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((((CELLCOUNT == CELLCOUNT / 3 * 3 && unknown-#length-unknown[3] == 12) && CCCELVOL3 == 7) && CELLCOUNT % 1073741824 * 4 == unknown-#length-unknown[volArray]) && \valid[volArray] == 1) && unknown-#memory_int-unknown[2][5] == 0) && 114 == unknown-#memory_int-unknown[2][1]) && 2 <= CELLCOUNT) && 2 == unknown-#length-unknown[1]) && \valid[3] == 1) && CELLCOUNT <= 2147483647) && CCCELVOL1 == 1) && volArray == 0) && 0 <= \old(cond)) && 0 <= cond) && 51 == unknown-#memory_int-unknown[2][2]) && \valid[1] == 1) && CCCELVOL2 == 3) && 2 <= i) && i <= 715827883) && unknown-#memory_int-unknown[2][4] == 99) && 112 == unknown-#memory_int-unknown[2][0]) && \valid[0] == 0) && !(volArray == 3)) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[1][0] == 48) && \old(cond) <= 1) && unknown-#memory_int-unknown[1][1] == 0) && unknown-#StackHeapBarrier-unknown < volArray) && cond <= 1) && 46 == unknown-#memory_int-unknown[2][3]) && 6 == unknown-#length-unknown[2]) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) || (((((((((((((((((((((((((((((((((((CELLCOUNT == CELLCOUNT / 3 * 3 && unknown-#length-unknown[3] == 12) && CCCELVOL3 == 7) && CELLCOUNT % 1073741824 * 4 == unknown-#length-unknown[volArray]) && \valid[volArray] == 1) && unknown-#memory_int-unknown[2][5] == 0) && i <= 2147483647) && 114 == unknown-#memory_int-unknown[2][1]) && 2 <= CELLCOUNT) && 2 == unknown-#length-unknown[1]) && \valid[3] == 1) && 1 <= MINVAL) && CELLCOUNT <= 2147483647) && CCCELVOL1 == 1) && volArray == 0) && 0 <= \old(cond)) && 0 <= cond) && 51 == unknown-#memory_int-unknown[2][2]) && \valid[1] == 1) && CCCELVOL2 == 3) && 2 <= i) && unknown-#memory_int-unknown[2][4] == 99) && 112 == unknown-#memory_int-unknown[2][0]) && \valid[0] == 0) && !(volArray == 3)) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[1][0] == 48) && \old(cond) <= 1) && unknown-#memory_int-unknown[1][1] == 0) && unknown-#StackHeapBarrier-unknown < volArray) && cond <= 1) && 46 == unknown-#memory_int-unknown[2][3]) && 6 == unknown-#length-unknown[2]) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0)) || (((((((((((((((((((((((((((((((unknown-#length-unknown[3] == 12 && CCCELVOL3 == 7) && CELLCOUNT % 1073741824 * 4 == unknown-#length-unknown[volArray]) && \valid[volArray] == 1) && unknown-#memory_int-unknown[2][5] == 0) && 114 == unknown-#memory_int-unknown[2][1]) && 2 == unknown-#length-unknown[1]) && i == 1) && \valid[3] == 1) && (if (if !(CELLCOUNT % 3 == 0) && CELLCOUNT < 0 then CELLCOUNT % 3 + -3 else CELLCOUNT % 3) == 0 then 1 else 0) == \old(cond)) && CELLCOUNT <= 2147483647) && i <= (if !(CELLCOUNT % 3 == 0) && CELLCOUNT < 0 then CELLCOUNT / 3 + 1 else CELLCOUNT / 3)) && CCCELVOL1 == 1) && volArray == 0) && \old(cond) == cond) && 51 == unknown-#memory_int-unknown[2][2]) && \valid[1] == 1) && CCCELVOL2 == 3) && unknown-#memory_int-unknown[2][4] == 99) && 112 == unknown-#memory_int-unknown[2][0]) && \valid[0] == 0) && !(cond == 0)) && !(volArray == 3)) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[1][0] == 48) && unknown-#memory_int-unknown[1][1] == 0) && unknown-#StackHeapBarrier-unknown < volArray) && 46 == unknown-#memory_int-unknown[2][3]) && 6 == unknown-#length-unknown[2]) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) RESULT: Ultimate proved your program to be correct! [2022-12-14 15:48:47,060 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e87df16-3bac-4096-bf71-09ad60c1b8e0/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE