./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/list-properties/alternating_list-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b4ec56b 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_928b18fe-2f93-413b-96b9-94d4d14c050e/bin/utaipan-6cKwYrpEi9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_928b18fe-2f93-413b-96b9-94d4d14c050e/bin/utaipan-6cKwYrpEi9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_928b18fe-2f93-413b-96b9-94d4d14c050e/bin/utaipan-6cKwYrpEi9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_928b18fe-2f93-413b-96b9-94d4d14c050e/bin/utaipan-6cKwYrpEi9/config/TaipanReach.xml -i ../../sv-benchmarks/c/list-properties/alternating_list-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_928b18fe-2f93-413b-96b9-94d4d14c050e/bin/utaipan-6cKwYrpEi9/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_928b18fe-2f93-413b-96b9-94d4d14c050e/bin/utaipan-6cKwYrpEi9 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 941f3dd0e4566f414ae914eed10af26405f8e9f2f3d427c146090b07336d2fc2 --- 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-6b4ec56 [2022-11-20 19:53:16,422 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 19:53:16,426 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 19:53:16,460 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 19:53:16,461 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 19:53:16,467 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 19:53:16,469 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 19:53:16,472 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 19:53:16,476 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 19:53:16,480 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 19:53:16,482 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 19:53:16,486 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 19:53:16,487 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 19:53:16,493 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 19:53:16,498 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 19:53:16,499 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 19:53:16,502 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 19:53:16,503 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 19:53:16,505 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 19:53:16,508 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 19:53:16,513 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 19:53:16,515 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 19:53:16,519 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 19:53:16,520 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 19:53:16,529 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 19:53:16,530 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 19:53:16,530 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 19:53:16,533 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 19:53:16,533 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 19:53:16,535 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 19:53:16,536 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 19:53:16,538 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 19:53:16,540 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 19:53:16,542 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 19:53:16,545 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 19:53:16,545 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 19:53:16,546 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 19:53:16,547 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 19:53:16,547 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 19:53:16,549 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 19:53:16,550 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 19:53:16,551 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_928b18fe-2f93-413b-96b9-94d4d14c050e/bin/utaipan-6cKwYrpEi9/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-20 19:53:16,606 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 19:53:16,606 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 19:53:16,607 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 19:53:16,607 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 19:53:16,608 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 19:53:16,609 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 19:53:16,609 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-20 19:53:16,609 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-20 19:53:16,610 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-20 19:53:16,610 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-20 19:53:16,611 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-20 19:53:16,612 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-20 19:53:16,612 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-20 19:53:16,612 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-20 19:53:16,613 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-20 19:53:16,613 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-20 19:53:16,613 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-20 19:53:16,613 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-20 19:53:16,614 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 19:53:16,615 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 19:53:16,615 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 19:53:16,615 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 19:53:16,616 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 19:53:16,616 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 19:53:16,616 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 19:53:16,616 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 19:53:16,617 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 19:53:16,617 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 19:53:16,618 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 19:53:16,618 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 19:53:16,618 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 19:53:16,619 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 19:53:16,619 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 19:53:16,619 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 19:53:16,620 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-20 19:53:16,620 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 19:53:16,620 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 19:53:16,620 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-20 19:53:16,621 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 19:53:16,621 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 19:53:16,621 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-20 19:53:16,622 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_928b18fe-2f93-413b-96b9-94d4d14c050e/bin/utaipan-6cKwYrpEi9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_928b18fe-2f93-413b-96b9-94d4d14c050e/bin/utaipan-6cKwYrpEi9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 941f3dd0e4566f414ae914eed10af26405f8e9f2f3d427c146090b07336d2fc2 [2022-11-20 19:53:16,983 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 19:53:17,012 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 19:53:17,015 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 19:53:17,016 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 19:53:17,017 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 19:53:17,018 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_928b18fe-2f93-413b-96b9-94d4d14c050e/bin/utaipan-6cKwYrpEi9/../../sv-benchmarks/c/list-properties/alternating_list-1.i [2022-11-20 19:53:20,376 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 19:53:20,763 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 19:53:20,763 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_928b18fe-2f93-413b-96b9-94d4d14c050e/sv-benchmarks/c/list-properties/alternating_list-1.i [2022-11-20 19:53:20,785 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_928b18fe-2f93-413b-96b9-94d4d14c050e/bin/utaipan-6cKwYrpEi9/data/c21369c22/3e422be4afab47caa75300b310a8c42b/FLAG50b7e1d7d [2022-11-20 19:53:20,806 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_928b18fe-2f93-413b-96b9-94d4d14c050e/bin/utaipan-6cKwYrpEi9/data/c21369c22/3e422be4afab47caa75300b310a8c42b [2022-11-20 19:53:20,814 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 19:53:20,816 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 19:53:20,819 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 19:53:20,819 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 19:53:20,824 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 19:53:20,825 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:53:20" (1/1) ... [2022-11-20 19:53:20,828 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a983335 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:53:20, skipping insertion in model container [2022-11-20 19:53:20,828 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:53:20" (1/1) ... [2022-11-20 19:53:20,838 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 19:53:20,901 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 19:53:21,171 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_928b18fe-2f93-413b-96b9-94d4d14c050e/sv-benchmarks/c/list-properties/alternating_list-1.i[23574,23587] [2022-11-20 19:53:21,177 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 19:53:21,190 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 19:53:21,263 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_928b18fe-2f93-413b-96b9-94d4d14c050e/sv-benchmarks/c/list-properties/alternating_list-1.i[23574,23587] [2022-11-20 19:53:21,264 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 19:53:21,300 INFO L208 MainTranslator]: Completed translation [2022-11-20 19:53:21,300 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:53:21 WrapperNode [2022-11-20 19:53:21,301 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 19:53:21,302 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 19:53:21,302 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 19:53:21,302 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 19:53:21,309 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:53:21" (1/1) ... [2022-11-20 19:53:21,344 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:53:21" (1/1) ... [2022-11-20 19:53:21,375 INFO L138 Inliner]: procedures = 124, calls = 23, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 85 [2022-11-20 19:53:21,376 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 19:53:21,377 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 19:53:21,377 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 19:53:21,378 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 19:53:21,390 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:53:21" (1/1) ... [2022-11-20 19:53:21,390 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:53:21" (1/1) ... [2022-11-20 19:53:21,404 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:53:21" (1/1) ... [2022-11-20 19:53:21,405 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:53:21" (1/1) ... [2022-11-20 19:53:21,417 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:53:21" (1/1) ... [2022-11-20 19:53:21,426 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:53:21" (1/1) ... [2022-11-20 19:53:21,431 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:53:21" (1/1) ... [2022-11-20 19:53:21,434 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:53:21" (1/1) ... [2022-11-20 19:53:21,440 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 19:53:21,441 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 19:53:21,441 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 19:53:21,442 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 19:53:21,442 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:53:21" (1/1) ... [2022-11-20 19:53:21,453 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 19:53:21,466 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_928b18fe-2f93-413b-96b9-94d4d14c050e/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 19:53:21,480 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_928b18fe-2f93-413b-96b9-94d4d14c050e/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 19:53:21,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_928b18fe-2f93-413b-96b9-94d4d14c050e/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 19:53:21,548 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2022-11-20 19:53:21,549 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2022-11-20 19:53:21,549 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 19:53:21,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 19:53:21,549 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 19:53:21,549 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 19:53:21,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-20 19:53:21,550 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-20 19:53:21,550 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 19:53:21,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 19:53:21,550 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 19:53:21,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 19:53:21,768 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 19:53:21,784 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 19:53:21,837 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2022-11-20 19:53:22,021 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 19:53:22,057 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 19:53:22,058 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-20 19:53:22,061 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:53:22 BoogieIcfgContainer [2022-11-20 19:53:22,061 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 19:53:22,065 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 19:53:22,065 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 19:53:22,069 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 19:53:22,070 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 07:53:20" (1/3) ... [2022-11-20 19:53:22,070 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4034c51f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:53:22, skipping insertion in model container [2022-11-20 19:53:22,071 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:53:21" (2/3) ... [2022-11-20 19:53:22,071 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4034c51f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:53:22, skipping insertion in model container [2022-11-20 19:53:22,072 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:53:22" (3/3) ... [2022-11-20 19:53:22,073 INFO L112 eAbstractionObserver]: Analyzing ICFG alternating_list-1.i [2022-11-20 19:53:22,098 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 19:53:22,099 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-20 19:53:22,156 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 19:53:22,163 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;@3f7150ca, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 19:53:22,163 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-20 19:53:22,168 INFO L276 IsEmpty]: Start isEmpty. Operand has 26 states, 22 states have (on average 1.5454545454545454) internal successors, (34), 24 states have internal predecessors, (34), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 19:53:22,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 19:53:22,179 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 19:53:22,180 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 19:53:22,180 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 19:53:22,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 19:53:22,188 INFO L85 PathProgramCache]: Analyzing trace with hash -1696129172, now seen corresponding path program 1 times [2022-11-20 19:53:22,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 19:53:22,201 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2040286099] [2022-11-20 19:53:22,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:53:22,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 19:53:22,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 19:53:22,422 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 19:53:22,423 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 19:53:22,424 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2040286099] [2022-11-20 19:53:22,425 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2040286099] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 19:53:22,425 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 19:53:22,425 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 19:53:22,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245845453] [2022-11-20 19:53:22,429 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 19:53:22,435 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-20 19:53:22,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 19:53:22,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-20 19:53:22,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-20 19:53:22,476 INFO L87 Difference]: Start difference. First operand has 26 states, 22 states have (on average 1.5454545454545454) internal successors, (34), 24 states have internal predecessors, (34), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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) [2022-11-20 19:53:22,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 19:53:22,530 INFO L93 Difference]: Finished difference Result 41 states and 57 transitions. [2022-11-20 19:53:22,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-20 19:53:22,535 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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 10 [2022-11-20 19:53:22,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 19:53:22,544 INFO L225 Difference]: With dead ends: 41 [2022-11-20 19:53:22,545 INFO L226 Difference]: Without dead ends: 16 [2022-11-20 19:53:22,549 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-20 19:53:22,558 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 19:53:22,559 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 29 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 19:53:22,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2022-11-20 19:53:22,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2022-11-20 19:53:22,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 15 states have internal predecessors, (19), 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) [2022-11-20 19:53:22,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 19 transitions. [2022-11-20 19:53:22,631 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 19 transitions. Word has length 10 [2022-11-20 19:53:22,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 19:53:22,633 INFO L495 AbstractCegarLoop]: Abstraction has 16 states and 19 transitions. [2022-11-20 19:53:22,633 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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) [2022-11-20 19:53:22,633 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2022-11-20 19:53:22,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-20 19:53:22,634 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 19:53:22,648 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 19:53:22,648 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 19:53:22,649 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 19:53:22,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 19:53:22,650 INFO L85 PathProgramCache]: Analyzing trace with hash 1961675887, now seen corresponding path program 1 times [2022-11-20 19:53:22,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 19:53:22,651 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1642114744] [2022-11-20 19:53:22,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:53:22,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 19:53:22,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 19:53:22,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 19:53:22,769 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 19:53:22,770 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1642114744] [2022-11-20 19:53:22,770 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1642114744] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 19:53:22,770 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 19:53:22,771 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 19:53:22,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1956676862] [2022-11-20 19:53:22,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 19:53:22,773 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 19:53:22,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 19:53:22,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 19:53:22,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 19:53:22,775 INFO L87 Difference]: Start difference. First operand 16 states and 19 transitions. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 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) [2022-11-20 19:53:22,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 19:53:22,803 INFO L93 Difference]: Finished difference Result 33 states and 39 transitions. [2022-11-20 19:53:22,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 19:53:22,804 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 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 11 [2022-11-20 19:53:22,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 19:53:22,805 INFO L225 Difference]: With dead ends: 33 [2022-11-20 19:53:22,805 INFO L226 Difference]: Without dead ends: 25 [2022-11-20 19:53:22,806 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 19:53:22,808 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 8 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 19:53:22,809 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 28 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 19:53:22,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2022-11-20 19:53:22,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 20. [2022-11-20 19:53:22,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 19 states have (on average 1.2105263157894737) internal successors, (23), 19 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) [2022-11-20 19:53:22,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 23 transitions. [2022-11-20 19:53:22,816 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 23 transitions. Word has length 11 [2022-11-20 19:53:22,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 19:53:22,817 INFO L495 AbstractCegarLoop]: Abstraction has 20 states and 23 transitions. [2022-11-20 19:53:22,817 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 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) [2022-11-20 19:53:22,817 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2022-11-20 19:53:22,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-20 19:53:22,818 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 19:53:22,819 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 19:53:22,819 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-20 19:53:22,819 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 19:53:22,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 19:53:22,821 INFO L85 PathProgramCache]: Analyzing trace with hash 1961668943, now seen corresponding path program 1 times [2022-11-20 19:53:22,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 19:53:22,821 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264437826] [2022-11-20 19:53:22,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:53:22,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 19:53:22,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 19:53:23,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 19:53:23,205 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 19:53:23,205 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [264437826] [2022-11-20 19:53:23,205 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [264437826] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 19:53:23,207 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 19:53:23,208 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 19:53:23,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [209388850] [2022-11-20 19:53:23,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 19:53:23,210 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 19:53:23,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 19:53:23,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 19:53:23,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 19:53:23,214 INFO L87 Difference]: Start difference. First operand 20 states and 23 transitions. Second operand has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 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) [2022-11-20 19:53:23,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 19:53:23,321 INFO L93 Difference]: Finished difference Result 46 states and 52 transitions. [2022-11-20 19:53:23,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 19:53:23,322 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 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 11 [2022-11-20 19:53:23,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 19:53:23,323 INFO L225 Difference]: With dead ends: 46 [2022-11-20 19:53:23,323 INFO L226 Difference]: Without dead ends: 31 [2022-11-20 19:53:23,324 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-20 19:53:23,325 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 10 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 19:53:23,326 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 42 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 19:53:23,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2022-11-20 19:53:23,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 22. [2022-11-20 19:53:23,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 21 states have (on average 1.1904761904761905) internal successors, (25), 21 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) [2022-11-20 19:53:23,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 25 transitions. [2022-11-20 19:53:23,333 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 25 transitions. Word has length 11 [2022-11-20 19:53:23,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 19:53:23,334 INFO L495 AbstractCegarLoop]: Abstraction has 22 states and 25 transitions. [2022-11-20 19:53:23,334 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 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) [2022-11-20 19:53:23,334 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 25 transitions. [2022-11-20 19:53:23,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-20 19:53:23,335 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 19:53:23,335 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 19:53:23,336 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-20 19:53:23,336 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 19:53:23,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 19:53:23,337 INFO L85 PathProgramCache]: Analyzing trace with hash 499229541, now seen corresponding path program 1 times [2022-11-20 19:53:23,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 19:53:23,338 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1743858157] [2022-11-20 19:53:23,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:53:23,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 19:53:23,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 19:53:24,090 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 19:53:24,090 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 19:53:24,091 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1743858157] [2022-11-20 19:53:24,091 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1743858157] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 19:53:24,091 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [266977527] [2022-11-20 19:53:24,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:53:24,092 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 19:53:24,092 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_928b18fe-2f93-413b-96b9-94d4d14c050e/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 19:53:24,098 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_928b18fe-2f93-413b-96b9-94d4d14c050e/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 19:53:24,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_928b18fe-2f93-413b-96b9-94d4d14c050e/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-20 19:53:24,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 19:53:24,268 INFO L263 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 32 conjunts are in the unsatisfiable core [2022-11-20 19:53:24,278 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 19:53:24,346 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-20 19:53:24,562 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-20 19:53:24,564 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-11-20 19:53:24,579 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 6 treesize of output 5 [2022-11-20 19:53:24,597 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 11 treesize of output 7 [2022-11-20 19:53:24,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:53:24,699 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-11-20 19:53:24,800 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 14 treesize of output 16 [2022-11-20 19:53:24,858 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-11-20 19:53:24,864 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 19:53:24,864 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 19:53:24,911 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_83 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~p~0#1.base| v_ArrVal_83) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|) 1)) is different from false [2022-11-20 19:53:25,072 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 19:53:25,073 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 65 treesize of output 66 [2022-11-20 19:53:25,091 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 19:53:25,091 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 59 treesize of output 60 [2022-11-20 19:53:25,114 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 19:53:25,114 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 53 treesize of output 67 [2022-11-20 19:53:25,150 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 19:53:25,151 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 8 [2022-11-20 19:53:25,252 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 19:53:25,252 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 55 treesize of output 62 [2022-11-20 19:53:25,299 INFO L321 Elim1Store]: treesize reduction 17, result has 64.6 percent of original size [2022-11-20 19:53:25,299 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 143 treesize of output 156 [2022-11-20 19:53:25,318 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 125 treesize of output 117 [2022-11-20 19:53:25,339 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 19:53:25,340 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 124 treesize of output 126 [2022-11-20 19:53:25,358 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 145 treesize of output 137 [2022-11-20 19:53:25,370 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 120 treesize of output 118 [2022-11-20 19:53:25,714 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 2 not checked. [2022-11-20 19:53:25,714 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [266977527] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 19:53:25,715 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1631855769] [2022-11-20 19:53:25,749 INFO L159 IcfgInterpreter]: Started Sifa with 14 locations of interest [2022-11-20 19:53:25,750 INFO L166 IcfgInterpreter]: Building call graph [2022-11-20 19:53:25,764 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-20 19:53:25,771 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-20 19:53:25,772 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-20 19:53:25,864 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-20 19:53:25,865 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 30 [2022-11-20 19:53:25,914 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-20 19:53:25,915 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-11-20 19:53:26,042 INFO L321 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2022-11-20 19:53:26,042 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 32 treesize of output 53 [2022-11-20 19:53:26,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:53:26,064 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2022-11-20 19:53:26,077 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-20 19:53:26,087 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-20 19:53:26,098 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2022-11-20 19:53:26,148 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-20 19:53:26,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:53:26,165 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 31 [2022-11-20 19:53:26,187 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-20 19:53:26,318 INFO L321 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-11-20 19:53:26,318 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 62 [2022-11-20 19:53:26,358 INFO L321 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2022-11-20 19:53:26,358 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 96 treesize of output 42 [2022-11-20 19:53:26,424 INFO L321 Elim1Store]: treesize reduction 48, result has 37.7 percent of original size [2022-11-20 19:53:26,424 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 46 [2022-11-20 19:53:26,519 INFO L321 Elim1Store]: treesize reduction 72, result has 33.9 percent of original size [2022-11-20 19:53:26,519 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 11 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 37 treesize of output 65 [2022-11-20 19:53:26,547 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 16 [2022-11-20 19:53:26,719 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:53:26,748 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-11-20 19:53:26,748 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 320 treesize of output 323 [2022-11-20 19:53:26,765 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:53:26,788 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-11-20 19:53:26,792 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 314 treesize of output 317 [2022-11-20 19:53:26,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:53:26,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:53:26,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:53:26,818 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:53:26,819 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:53:26,826 INFO L321 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2022-11-20 19:53:26,827 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 314 treesize of output 295 [2022-11-20 19:53:27,193 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:53:27,252 INFO L321 Elim1Store]: treesize reduction 70, result has 19.5 percent of original size [2022-11-20 19:53:27,253 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 529 treesize of output 437 [2022-11-20 19:53:27,284 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:53:27,339 INFO L321 Elim1Store]: treesize reduction 94, result has 19.7 percent of original size [2022-11-20 19:53:27,340 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 505 treesize of output 476 [2022-11-20 19:53:27,574 INFO L321 Elim1Store]: treesize reduction 234, result has 19.9 percent of original size [2022-11-20 19:53:27,575 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 22 case distinctions, treesize of input 442 treesize of output 473 [2022-11-20 19:53:27,643 INFO L321 Elim1Store]: treesize reduction 96, result has 1.0 percent of original size [2022-11-20 19:53:27,644 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 437 treesize of output 443 [2022-11-20 19:53:27,698 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:53:27,810 INFO L321 Elim1Store]: treesize reduction 288, result has 13.5 percent of original size [2022-11-20 19:53:27,811 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 13 case distinctions, treesize of input 481 treesize of output 497 [2022-11-20 19:53:28,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:53:28,518 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 16 [2022-11-20 19:53:28,528 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-20 19:53:28,962 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 13 treesize of output 9 [2022-11-20 19:53:28,969 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 13 treesize of output 9 [2022-11-20 19:53:28,975 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 19 treesize of output 1 [2022-11-20 19:53:29,001 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-20 19:53:29,007 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-20 19:53:29,049 INFO L321 Elim1Store]: treesize reduction 25, result has 43.2 percent of original size [2022-11-20 19:53:29,050 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 117 treesize of output 111 [2022-11-20 19:53:29,063 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 81 [2022-11-20 19:53:29,103 INFO L321 Elim1Store]: treesize reduction 25, result has 43.2 percent of original size [2022-11-20 19:53:29,103 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 68 treesize of output 68 [2022-11-20 19:53:29,188 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-20 19:53:29,208 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:53:29,239 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 5 [2022-11-20 19:53:29,247 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-20 19:53:29,259 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 5 [2022-11-20 19:53:29,267 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-20 19:53:29,331 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 13 treesize of output 9 [2022-11-20 19:53:29,341 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 13 treesize of output 9 [2022-11-20 19:53:29,351 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 19 treesize of output 1 [2022-11-20 19:53:29,517 INFO L321 Elim1Store]: treesize reduction 25, result has 43.2 percent of original size [2022-11-20 19:53:29,518 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 161 treesize of output 153 [2022-11-20 19:53:29,565 INFO L321 Elim1Store]: treesize reduction 25, result has 43.2 percent of original size [2022-11-20 19:53:29,565 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 149 treesize of output 141 [2022-11-20 19:53:29,614 INFO L321 Elim1Store]: treesize reduction 44, result has 30.2 percent of original size [2022-11-20 19:53:29,614 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 133 treesize of output 139 [2022-11-20 19:53:30,376 INFO L321 Elim1Store]: treesize reduction 25, result has 43.2 percent of original size [2022-11-20 19:53:30,376 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 260 treesize of output 254 [2022-11-20 19:53:30,432 INFO L321 Elim1Store]: treesize reduction 25, result has 43.2 percent of original size [2022-11-20 19:53:30,432 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 224 treesize of output 218 [2022-11-20 19:53:30,589 INFO L321 Elim1Store]: treesize reduction 54, result has 49.1 percent of original size [2022-11-20 19:53:30,590 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 149 treesize of output 194 [2022-11-20 19:53:30,700 INFO L321 Elim1Store]: treesize reduction 99, result has 20.8 percent of original size [2022-11-20 19:53:30,701 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 182 treesize of output 205 [2022-11-20 19:53:30,839 INFO L321 Elim1Store]: treesize reduction 30, result has 59.5 percent of original size [2022-11-20 19:53:30,840 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 134 treesize of output 170 [2022-11-20 19:53:49,038 INFO L321 Elim1Store]: treesize reduction 12, result has 60.0 percent of original size [2022-11-20 19:53:49,039 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 32 [2022-11-20 19:53:49,056 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-20 19:53:49,078 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-20 19:53:49,078 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 15 [2022-11-20 19:53:49,168 INFO L321 Elim1Store]: treesize reduction 12, result has 60.0 percent of original size [2022-11-20 19:53:49,169 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 32 [2022-11-20 19:53:49,181 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-20 19:53:49,207 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-20 19:53:49,207 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 15 [2022-11-20 19:53:49,330 INFO L321 Elim1Store]: treesize reduction 12, result has 60.0 percent of original size [2022-11-20 19:53:49,330 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 265 treesize of output 268 [2022-11-20 19:53:49,351 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-20 19:53:49,449 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-20 19:53:49,450 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 251 treesize of output 245 [2022-11-20 19:53:49,586 INFO L321 Elim1Store]: treesize reduction 12, result has 60.0 percent of original size [2022-11-20 19:53:49,587 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 32 [2022-11-20 19:53:49,602 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-20 19:53:49,627 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-20 19:53:49,627 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 15 [2022-11-20 19:53:49,869 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:53:49,918 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:53:49,982 INFO L321 Elim1Store]: treesize reduction 12, result has 60.0 percent of original size [2022-11-20 19:53:49,982 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 32 [2022-11-20 19:53:49,999 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-20 19:53:50,024 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-20 19:53:50,025 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 15 [2022-11-20 19:53:50,115 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:53:50,195 INFO L321 Elim1Store]: treesize reduction 12, result has 60.0 percent of original size [2022-11-20 19:53:50,196 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 32 [2022-11-20 19:53:50,212 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-20 19:53:50,241 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-20 19:53:50,241 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 15 [2022-11-20 19:53:50,677 INFO L321 Elim1Store]: treesize reduction 12, result has 60.0 percent of original size [2022-11-20 19:53:50,678 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 32 [2022-11-20 19:53:50,694 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-20 19:53:50,724 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-20 19:53:50,724 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 15 [2022-11-20 19:53:50,930 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:53:50,981 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:53:51,011 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:53:51,072 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:53:51,151 INFO L321 Elim1Store]: treesize reduction 12, result has 60.0 percent of original size [2022-11-20 19:53:51,152 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 32 [2022-11-20 19:53:51,168 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-20 19:53:51,197 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-20 19:53:51,198 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 15 [2022-11-20 19:53:51,310 INFO L321 Elim1Store]: treesize reduction 12, result has 60.0 percent of original size [2022-11-20 19:53:51,310 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 32 [2022-11-20 19:53:51,328 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-20 19:53:51,364 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-20 19:53:51,365 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 15 [2022-11-20 19:53:51,449 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:53:51,529 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:53:51,584 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:53:51,644 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:53:51,771 INFO L321 Elim1Store]: treesize reduction 12, result has 60.0 percent of original size [2022-11-20 19:53:51,771 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 32 [2022-11-20 19:53:51,786 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-20 19:53:51,811 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-20 19:53:51,811 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 15 [2022-11-20 19:53:51,898 INFO L321 Elim1Store]: treesize reduction 12, result has 60.0 percent of original size [2022-11-20 19:53:51,898 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 32 [2022-11-20 19:53:51,921 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-20 19:53:51,946 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-20 19:53:51,946 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 15 [2022-11-20 19:53:52,037 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:53:52,097 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:53:52,212 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:53:52,323 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:53:52,354 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:53:52,410 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:53:52,475 INFO L321 Elim1Store]: treesize reduction 12, result has 60.0 percent of original size [2022-11-20 19:53:52,475 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 32 [2022-11-20 19:53:52,493 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-20 19:53:52,528 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-20 19:53:52,528 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 15 [2022-11-20 19:53:52,638 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:53:52,725 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:53:52,782 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:53:52,878 INFO L321 Elim1Store]: treesize reduction 12, result has 60.0 percent of original size [2022-11-20 19:53:52,879 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 32 [2022-11-20 19:53:52,897 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-20 19:53:52,930 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-20 19:53:52,931 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 15 [2022-11-20 19:53:53,171 INFO L321 Elim1Store]: treesize reduction 12, result has 60.0 percent of original size [2022-11-20 19:53:53,172 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 32 [2022-11-20 19:53:53,190 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-20 19:53:53,218 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-20 19:53:53,219 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 15 [2022-11-20 19:53:53,308 INFO L321 Elim1Store]: treesize reduction 12, result has 60.0 percent of original size [2022-11-20 19:53:53,308 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 32 [2022-11-20 19:53:53,326 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-20 19:53:53,357 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-20 19:53:53,358 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 15 [2022-11-20 19:53:53,459 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:53:53,525 INFO L321 Elim1Store]: treesize reduction 12, result has 60.0 percent of original size [2022-11-20 19:53:53,525 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 32 [2022-11-20 19:53:53,543 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-20 19:53:53,569 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-20 19:53:53,570 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 15 [2022-11-20 19:53:55,824 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-20 19:54:03,084 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '367#(and (= 3 (select (select |#memory_int| |ULTIMATE.start_main_~t~0#1.base|) |ULTIMATE.start_main_~t~0#1.offset|)) (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= |ULTIMATE.start_main_~a~0#1.offset| |ULTIMATE.start_main_~p~0#1.offset|) (= |ULTIMATE.start_main_~flag~0#1| 0) (not (= (select (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) |ULTIMATE.start_main_~p~0#1.offset|) 3)) (not (= (select (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) |ULTIMATE.start_main_~p~0#1.offset|) 1)) (= |#NULL.offset| 0) (= |ULTIMATE.start_main_~t~0#1.offset| 0) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))' at error location [2022-11-20 19:54:03,085 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-20 19:54:03,085 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 19:54:03,085 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 17 [2022-11-20 19:54:03,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1434149973] [2022-11-20 19:54:03,086 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 19:54:03,086 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-11-20 19:54:03,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 19:54:03,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-11-20 19:54:03,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=615, Unknown=5, NotChecked=50, Total=756 [2022-11-20 19:54:03,089 INFO L87 Difference]: Start difference. First operand 22 states and 25 transitions. Second operand has 18 states, 18 states have (on average 2.2777777777777777) internal successors, (41), 17 states have internal predecessors, (41), 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) [2022-11-20 19:54:03,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 19:54:03,353 INFO L93 Difference]: Finished difference Result 38 states and 41 transitions. [2022-11-20 19:54:03,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-20 19:54:03,354 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 2.2777777777777777) internal successors, (41), 17 states have internal predecessors, (41), 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 15 [2022-11-20 19:54:03,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 19:54:03,355 INFO L225 Difference]: With dead ends: 38 [2022-11-20 19:54:03,355 INFO L226 Difference]: Without dead ends: 36 [2022-11-20 19:54:03,356 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 24 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 238 ImplicationChecksByTransitivity, 7.7s TimeCoverageRelationStatistics Valid=107, Invalid=762, Unknown=5, NotChecked=56, Total=930 [2022-11-20 19:54:03,357 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 14 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 102 SdHoareTripleChecker+Invalid, 173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 47 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 19:54:03,358 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 102 Invalid, 173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 122 Invalid, 0 Unknown, 47 Unchecked, 0.1s Time] [2022-11-20 19:54:03,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2022-11-20 19:54:03,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 31. [2022-11-20 19:54:03,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 30 states have (on average 1.1666666666666667) internal successors, (35), 30 states have internal predecessors, (35), 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) [2022-11-20 19:54:03,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 35 transitions. [2022-11-20 19:54:03,364 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 35 transitions. Word has length 15 [2022-11-20 19:54:03,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 19:54:03,364 INFO L495 AbstractCegarLoop]: Abstraction has 31 states and 35 transitions. [2022-11-20 19:54:03,365 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 2.2777777777777777) internal successors, (41), 17 states have internal predecessors, (41), 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) [2022-11-20 19:54:03,365 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 35 transitions. [2022-11-20 19:54:03,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-20 19:54:03,365 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 19:54:03,366 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 19:54:03,386 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_928b18fe-2f93-413b-96b9-94d4d14c050e/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-20 19:54:03,571 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_928b18fe-2f93-413b-96b9-94d4d14c050e/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 19:54:03,572 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 19:54:03,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 19:54:03,572 INFO L85 PathProgramCache]: Analyzing trace with hash -1878812037, now seen corresponding path program 2 times [2022-11-20 19:54:03,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 19:54:03,572 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681381074] [2022-11-20 19:54:03,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:54:03,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 19:54:03,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 19:54:04,446 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 19:54:04,446 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 19:54:04,446 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [681381074] [2022-11-20 19:54:04,446 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [681381074] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 19:54:04,446 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [933873278] [2022-11-20 19:54:04,447 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-20 19:54:04,447 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 19:54:04,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_928b18fe-2f93-413b-96b9-94d4d14c050e/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 19:54:04,450 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_928b18fe-2f93-413b-96b9-94d4d14c050e/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 19:54:04,473 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_928b18fe-2f93-413b-96b9-94d4d14c050e/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-20 19:54:04,601 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-11-20 19:54:04,602 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 19:54:04,605 INFO L263 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 45 conjunts are in the unsatisfiable core [2022-11-20 19:54:04,611 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 19:54:04,622 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-20 19:54:04,722 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 6 treesize of output 5 [2022-11-20 19:54:04,747 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-20 19:54:04,747 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-20 19:54:04,762 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 11 treesize of output 7 [2022-11-20 19:54:04,849 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-20 19:54:04,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:54:04,862 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 21 treesize of output 20 [2022-11-20 19:54:04,957 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-20 19:54:04,957 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 35 [2022-11-20 19:54:04,982 INFO L321 Elim1Store]: treesize reduction 8, result has 65.2 percent of original size [2022-11-20 19:54:04,983 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 24 [2022-11-20 19:54:04,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:54:04,999 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-20 19:54:05,075 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 15 [2022-11-20 19:54:05,080 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-20 19:54:05,135 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 14 treesize of output 16 [2022-11-20 19:54:05,184 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-11-20 19:54:05,187 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 19:54:05,188 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 19:54:05,223 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_182 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~p~0#1.base| v_ArrVal_182) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|) 1)) is different from false [2022-11-20 19:54:05,316 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 19:54:05,316 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 60 treesize of output 61 [2022-11-20 19:54:05,533 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 19:54:05,533 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 65 treesize of output 79 [2022-11-20 19:54:05,553 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 19:54:05,554 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 54 treesize of output 55 [2022-11-20 19:54:05,575 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 19:54:05,576 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 49 [2022-11-20 19:54:05,619 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 19:54:05,620 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 8 [2022-11-20 19:54:05,688 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 19:54:05,689 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 61 treesize of output 68 [2022-11-20 19:54:05,733 INFO L321 Elim1Store]: treesize reduction 17, result has 64.6 percent of original size [2022-11-20 19:54:05,734 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 510 treesize of output 515 [2022-11-20 19:54:05,755 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 484 treesize of output 452 [2022-11-20 19:54:05,768 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 452 treesize of output 436 [2022-11-20 19:54:05,792 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 19:54:05,793 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 443 treesize of output 441 [2022-11-20 19:54:05,817 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 487 treesize of output 479 [2022-11-20 19:54:05,830 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 462 treesize of output 458 [2022-11-20 19:54:05,844 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 458 treesize of output 456 [2022-11-20 19:54:08,184 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 4 not checked. [2022-11-20 19:54:08,184 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [933873278] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 19:54:08,184 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [518925491] [2022-11-20 19:54:08,190 INFO L159 IcfgInterpreter]: Started Sifa with 14 locations of interest [2022-11-20 19:54:08,190 INFO L166 IcfgInterpreter]: Building call graph [2022-11-20 19:54:08,191 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-20 19:54:08,191 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-20 19:54:08,192 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-20 19:54:08,259 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-20 19:54:08,259 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-11-20 19:54:08,272 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2022-11-20 19:54:08,351 INFO L321 Elim1Store]: treesize reduction 34, result has 41.4 percent of original size [2022-11-20 19:54:08,352 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 3 case distinctions, treesize of input 22 treesize of output 38 [2022-11-20 19:54:08,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:54:08,366 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2022-11-20 19:54:08,376 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-20 19:54:08,386 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-20 19:54:08,464 INFO L321 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2022-11-20 19:54:08,465 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 32 treesize of output 53 [2022-11-20 19:54:08,509 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-20 19:54:08,520 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-20 19:54:08,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:54:08,542 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 31 [2022-11-20 19:54:08,648 INFO L321 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-11-20 19:54:08,649 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 62 [2022-11-20 19:54:08,683 INFO L321 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2022-11-20 19:54:08,684 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 16 [2022-11-20 19:54:08,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:54:08,706 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 96 treesize of output 42 [2022-11-20 19:54:08,791 INFO L321 Elim1Store]: treesize reduction 72, result has 33.9 percent of original size [2022-11-20 19:54:08,792 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 11 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 37 treesize of output 65 [2022-11-20 19:54:08,820 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 38 [2022-11-20 19:54:08,950 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-20 19:54:08,951 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 326 treesize of output 323 [2022-11-20 19:54:08,988 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-20 19:54:08,989 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 314 treesize of output 317 [2022-11-20 19:54:09,007 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:54:09,050 INFO L321 Elim1Store]: treesize reduction 146, result has 13.1 percent of original size [2022-11-20 19:54:09,051 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 314 treesize of output 295 [2022-11-20 19:54:09,339 INFO L321 Elim1Store]: treesize reduction 104, result has 19.4 percent of original size [2022-11-20 19:54:09,340 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 567 treesize of output 467 [2022-11-20 19:54:09,499 INFO L321 Elim1Store]: treesize reduction 234, result has 19.9 percent of original size [2022-11-20 19:54:09,499 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 22 case distinctions, treesize of input 480 treesize of output 511 [2022-11-20 19:54:09,559 INFO L321 Elim1Store]: treesize reduction 96, result has 1.0 percent of original size [2022-11-20 19:54:09,560 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 475 treesize of output 481 [2022-11-20 19:54:09,593 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:54:09,694 INFO L321 Elim1Store]: treesize reduction 374, result has 12.0 percent of original size [2022-11-20 19:54:09,695 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 13 case distinctions, treesize of input 543 treesize of output 559 [2022-11-20 19:54:09,757 INFO L321 Elim1Store]: treesize reduction 100, result has 18.7 percent of original size [2022-11-20 19:54:09,758 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 540 treesize of output 482 [2022-11-20 19:54:10,456 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-20 19:54:10,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:54:10,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:54:10,562 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 31 [2022-11-20 19:54:10,578 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-20 19:54:10,732 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 13 treesize of output 9 [2022-11-20 19:54:10,740 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 13 treesize of output 9 [2022-11-20 19:54:10,747 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 19 treesize of output 1 [2022-11-20 19:54:10,769 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-20 19:54:10,811 INFO L321 Elim1Store]: treesize reduction 25, result has 43.2 percent of original size [2022-11-20 19:54:10,815 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 117 treesize of output 111 [2022-11-20 19:54:10,831 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 81 [2022-11-20 19:54:10,867 INFO L321 Elim1Store]: treesize reduction 25, result has 43.2 percent of original size [2022-11-20 19:54:10,868 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 68 treesize of output 68 [2022-11-20 19:54:10,910 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 5 [2022-11-20 19:54:10,915 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-20 19:54:10,929 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-20 19:54:10,937 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-20 19:54:10,952 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 13 treesize of output 9 [2022-11-20 19:54:10,963 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 13 treesize of output 9 [2022-11-20 19:54:10,969 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 19 treesize of output 1 [2022-11-20 19:54:11,115 INFO L321 Elim1Store]: treesize reduction 44, result has 30.2 percent of original size [2022-11-20 19:54:11,116 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 157 treesize of output 163 [2022-11-20 19:54:11,156 INFO L321 Elim1Store]: treesize reduction 25, result has 43.2 percent of original size [2022-11-20 19:54:11,157 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 157 treesize of output 149 [2022-11-20 19:54:11,193 INFO L321 Elim1Store]: treesize reduction 25, result has 43.2 percent of original size [2022-11-20 19:54:11,193 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 145 treesize of output 137 [2022-11-20 19:54:11,667 INFO L321 Elim1Store]: treesize reduction 30, result has 59.5 percent of original size [2022-11-20 19:54:11,668 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 168 treesize of output 204 [2022-11-20 19:54:11,818 INFO L321 Elim1Store]: treesize reduction 54, result has 49.1 percent of original size [2022-11-20 19:54:11,819 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 167 treesize of output 212 [2022-11-20 19:54:11,895 INFO L321 Elim1Store]: treesize reduction 99, result has 20.8 percent of original size [2022-11-20 19:54:11,895 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 248 treesize of output 271 [2022-11-20 19:54:11,963 INFO L321 Elim1Store]: treesize reduction 25, result has 43.2 percent of original size [2022-11-20 19:54:11,964 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 228 treesize of output 222 [2022-11-20 19:54:12,019 INFO L321 Elim1Store]: treesize reduction 25, result has 43.2 percent of original size [2022-11-20 19:54:12,020 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 192 treesize of output 186 [2022-11-20 19:54:25,445 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2022-11-20 19:54:25,450 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-20 19:54:25,460 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:25,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:54:25,482 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 20 [2022-11-20 19:54:25,490 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-20 19:54:25,503 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:25,541 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2022-11-20 19:54:25,549 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-20 19:54:25,559 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:25,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:54:25,585 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 20 [2022-11-20 19:54:25,594 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-20 19:54:25,606 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:25,658 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2022-11-20 19:54:25,666 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-20 19:54:25,680 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:25,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:54:25,709 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 20 [2022-11-20 19:54:25,718 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-20 19:54:25,730 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:25,770 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2022-11-20 19:54:25,780 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-20 19:54:25,792 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:25,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:54:25,824 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 20 [2022-11-20 19:54:25,833 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-20 19:54:25,846 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:25,944 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:25,956 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:25,983 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:25,996 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:26,051 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:26,063 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:26,089 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:26,101 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:26,160 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:26,170 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:26,195 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:26,206 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:26,243 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:26,255 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:26,280 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:26,291 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:26,788 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:26,799 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:26,825 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2022-11-20 19:54:26,835 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-20 19:54:26,848 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:26,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:54:26,886 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 20 [2022-11-20 19:54:26,896 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-20 19:54:26,908 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:26,946 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:26,959 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:26,985 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:26,997 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:27,057 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:27,069 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:27,095 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:27,108 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:27,136 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:27,149 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:27,184 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:27,197 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:27,224 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:27,237 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:27,304 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2022-11-20 19:54:27,316 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-20 19:54:27,328 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:27,361 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:27,374 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:27,413 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:27,426 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:27,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:54:27,459 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 20 [2022-11-20 19:54:27,469 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-20 19:54:27,483 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:27,523 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:27,536 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:27,571 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:27,584 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:27,610 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:27,623 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:27,659 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:27,673 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:27,881 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:27,893 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:27,919 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2022-11-20 19:54:27,929 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-20 19:54:27,941 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:27,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:54:27,973 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 20 [2022-11-20 19:54:27,983 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-20 19:54:27,995 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:28,031 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:28,044 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:28,071 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:28,085 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:28,146 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:28,158 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:28,186 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:28,199 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:28,230 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:28,243 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:28,279 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:28,293 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:28,320 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:28,335 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:28,403 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2022-11-20 19:54:28,413 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-20 19:54:28,426 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:28,459 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:28,472 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:28,499 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:28,512 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:28,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:54:28,560 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 20 [2022-11-20 19:54:28,571 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-20 19:54:28,585 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:28,627 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:28,641 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:28,675 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:28,693 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:28,721 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:28,735 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:28,776 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:28,788 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:29,034 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:29,046 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:29,080 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:29,094 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:29,125 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:29,138 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:29,167 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:29,181 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:29,208 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:29,222 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:29,282 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:29,294 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:29,323 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:29,336 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:29,367 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:29,381 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:29,414 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:29,428 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:29,455 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:29,468 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:29,541 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:29,554 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:29,586 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:29,597 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:29,624 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:29,636 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:29,662 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:29,675 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:29,714 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:29,727 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:29,759 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:29,771 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:29,797 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:29,810 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:29,839 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:29,852 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:30,022 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:30,034 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:30,062 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:30,077 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:30,111 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:30,125 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:30,159 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:30,173 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:30,202 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:30,216 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:30,274 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:30,288 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:30,316 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:30,330 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:30,360 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:30,375 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:30,405 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:30,419 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:30,447 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:30,462 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:30,540 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:30,552 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:30,585 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:30,596 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:30,623 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:30,634 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:30,661 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:30,674 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:30,714 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:30,727 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:30,760 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:30,772 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:30,799 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:30,811 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:30,839 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:30,851 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:30,986 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:30,999 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:31,033 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:31,046 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:31,074 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:31,088 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:31,118 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:31,132 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:31,183 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:31,199 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:31,234 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:31,246 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:31,274 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:31,286 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:31,313 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:31,326 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:31,371 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:31,381 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:31,412 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:31,424 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:31,449 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:31,462 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:31,489 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:31,501 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:31,551 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:31,564 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:31,599 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:31,612 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:31,640 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:31,653 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:31,683 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:31,697 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:32,030 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:32,043 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:32,079 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:32,091 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:32,118 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:32,131 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:32,161 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:32,173 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:32,220 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2022-11-20 19:54:32,230 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-20 19:54:32,244 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:32,279 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:32,292 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:32,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:54:32,323 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 20 [2022-11-20 19:54:32,333 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-20 19:54:32,347 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:32,376 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:32,389 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:32,494 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:32,507 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:32,537 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:32,554 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:32,587 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:32,602 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:32,641 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:32,656 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:32,685 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:32,700 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:32,769 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2022-11-20 19:54:32,782 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-20 19:54:32,797 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:32,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:54:32,831 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 20 [2022-11-20 19:54:32,844 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-20 19:54:32,859 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:32,914 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:32,941 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:32,955 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:32,976 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:33,014 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2022-11-20 19:54:33,026 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-20 19:54:33,039 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:33,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:54:33,071 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 20 [2022-11-20 19:54:33,083 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-20 19:54:33,095 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:33,115 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:33,253 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:33,267 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:33,300 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:33,314 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:33,342 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:33,356 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:33,387 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:33,401 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:33,447 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:33,461 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:33,496 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:33,511 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:33,539 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:33,553 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:33,583 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:33,598 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:33,695 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:33,709 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:33,738 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:33,754 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:33,786 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:33,801 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:33,843 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:33,859 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:33,888 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:33,904 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:33,993 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:34,005 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:34,034 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:34,048 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:34,079 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:34,093 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:34,136 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:34,150 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:34,179 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:34,193 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:37,946 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-20 19:54:41,214 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '601#(and (= 3 (select (select |#memory_int| |ULTIMATE.start_main_~t~0#1.base|) |ULTIMATE.start_main_~t~0#1.offset|)) (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= |ULTIMATE.start_main_~a~0#1.offset| |ULTIMATE.start_main_~p~0#1.offset|) (= |ULTIMATE.start_main_~flag~0#1| 0) (not (= (select (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) |ULTIMATE.start_main_~p~0#1.offset|) 3)) (not (= (select (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) |ULTIMATE.start_main_~p~0#1.offset|) 1)) (= |#NULL.offset| 0) (= |ULTIMATE.start_main_~t~0#1.offset| 0) (= |ULTIMATE.start_main_~a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))' at error location [2022-11-20 19:54:41,214 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-20 19:54:41,214 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 19:54:41,215 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 23 [2022-11-20 19:54:41,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237458856] [2022-11-20 19:54:41,215 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 19:54:41,218 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-11-20 19:54:41,219 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 19:54:41,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-11-20 19:54:41,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=939, Unknown=9, NotChecked=62, Total=1122 [2022-11-20 19:54:41,221 INFO L87 Difference]: Start difference. First operand 31 states and 35 transitions. Second operand has 24 states, 24 states have (on average 2.2083333333333335) internal successors, (53), 23 states have internal predecessors, (53), 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) [2022-11-20 19:54:41,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 19:54:41,681 INFO L93 Difference]: Finished difference Result 52 states and 57 transitions. [2022-11-20 19:54:41,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-20 19:54:41,682 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 2.2083333333333335) internal successors, (53), 23 states have internal predecessors, (53), 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 19 [2022-11-20 19:54:41,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 19:54:41,683 INFO L225 Difference]: With dead ends: 52 [2022-11-20 19:54:41,683 INFO L226 Difference]: Without dead ends: 50 [2022-11-20 19:54:41,684 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 33 SyntacticMatches, 1 SemanticMatches, 38 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 417 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=167, Invalid=1310, Unknown=9, NotChecked=74, Total=1560 [2022-11-20 19:54:41,685 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 31 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 140 SdHoareTripleChecker+Invalid, 217 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 124 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 19:54:41,686 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 140 Invalid, 217 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 82 Invalid, 0 Unknown, 124 Unchecked, 0.1s Time] [2022-11-20 19:54:41,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2022-11-20 19:54:41,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 39. [2022-11-20 19:54:41,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 38 states have (on average 1.1842105263157894) internal successors, (45), 38 states have internal predecessors, (45), 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) [2022-11-20 19:54:41,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 45 transitions. [2022-11-20 19:54:41,693 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 45 transitions. Word has length 19 [2022-11-20 19:54:41,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 19:54:41,693 INFO L495 AbstractCegarLoop]: Abstraction has 39 states and 45 transitions. [2022-11-20 19:54:41,694 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 2.2083333333333335) internal successors, (53), 23 states have internal predecessors, (53), 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) [2022-11-20 19:54:41,694 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 45 transitions. [2022-11-20 19:54:41,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 19:54:41,695 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 19:54:41,695 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 19:54:41,702 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_928b18fe-2f93-413b-96b9-94d4d14c050e/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-11-20 19:54:41,901 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_928b18fe-2f93-413b-96b9-94d4d14c050e/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 19:54:41,902 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 19:54:41,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 19:54:41,902 INFO L85 PathProgramCache]: Analyzing trace with hash 1872577092, now seen corresponding path program 1 times [2022-11-20 19:54:41,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 19:54:41,903 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724461953] [2022-11-20 19:54:41,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:54:41,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 19:54:41,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 19:54:42,470 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 19:54:42,471 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 19:54:42,471 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1724461953] [2022-11-20 19:54:42,471 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1724461953] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 19:54:42,471 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1639757224] [2022-11-20 19:54:42,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:54:42,471 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 19:54:42,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_928b18fe-2f93-413b-96b9-94d4d14c050e/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 19:54:42,474 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_928b18fe-2f93-413b-96b9-94d4d14c050e/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 19:54:42,497 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_928b18fe-2f93-413b-96b9-94d4d14c050e/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-20 19:54:42,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 19:54:42,595 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 36 conjunts are in the unsatisfiable core [2022-11-20 19:54:42,602 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 19:54:42,605 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-20 19:54:42,661 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-20 19:54:42,662 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-11-20 19:54:42,704 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-20 19:54:42,713 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 13 treesize of output 9 [2022-11-20 19:54:42,781 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-20 19:54:42,782 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 64 treesize of output 61 [2022-11-20 19:54:42,788 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-20 19:54:42,792 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 32 treesize of output 34 [2022-11-20 19:54:42,848 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 21 [2022-11-20 19:54:42,851 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2022-11-20 19:54:42,857 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-11-20 19:54:42,860 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 19:54:42,860 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 19:54:42,902 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 57 [2022-11-20 19:54:42,912 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse0 (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4))) (and (forall ((v_ArrVal_236 (Array Int Int))) (= (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~p~0#1.base| v_ArrVal_236) |c_ULTIMATE.start_main_~a~0#1.base|) .cse0) |c_ULTIMATE.start_main_~p~0#1.offset|)) (forall ((v_ArrVal_238 (Array Int Int))) (= (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~p~0#1.base| v_ArrVal_238) |c_ULTIMATE.start_main_~a~0#1.base|) .cse0) |c_ULTIMATE.start_main_~p~0#1.base|)))) is different from false [2022-11-20 19:54:42,934 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 19:54:42,934 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 23 [2022-11-20 19:54:42,943 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 19:54:42,943 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 31 [2022-11-20 19:54:42,948 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-20 19:54:42,966 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-20 19:54:42,966 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 1 [2022-11-20 19:54:43,067 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 2 not checked. [2022-11-20 19:54:43,067 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1639757224] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 19:54:43,067 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [854740808] [2022-11-20 19:54:43,070 INFO L159 IcfgInterpreter]: Started Sifa with 16 locations of interest [2022-11-20 19:54:43,071 INFO L166 IcfgInterpreter]: Building call graph [2022-11-20 19:54:43,071 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-20 19:54:43,071 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-20 19:54:43,072 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-20 19:54:43,117 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-20 19:54:43,117 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 30 [2022-11-20 19:54:43,164 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-20 19:54:43,165 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-11-20 19:54:43,243 INFO L321 Elim1Store]: treesize reduction 34, result has 41.4 percent of original size [2022-11-20 19:54:43,243 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 3 case distinctions, treesize of input 22 treesize of output 38 [2022-11-20 19:54:43,255 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-20 19:54:43,263 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-20 19:54:43,336 INFO L321 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2022-11-20 19:54:43,336 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 32 treesize of output 53 [2022-11-20 19:54:43,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:54:43,353 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2022-11-20 19:54:43,388 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-20 19:54:43,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:54:43,403 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 31 [2022-11-20 19:54:43,417 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-20 19:54:43,463 INFO L321 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2022-11-20 19:54:43,463 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 16 [2022-11-20 19:54:43,472 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:54:43,507 INFO L321 Elim1Store]: treesize reduction 24, result has 48.9 percent of original size [2022-11-20 19:54:43,508 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 33 treesize of output 46 [2022-11-20 19:54:43,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:54:43,529 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 96 treesize of output 42 [2022-11-20 19:54:43,626 INFO L321 Elim1Store]: treesize reduction 90, result has 35.3 percent of original size [2022-11-20 19:54:43,627 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 11 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 43 treesize of output 77 [2022-11-20 19:54:43,645 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 44 [2022-11-20 19:54:43,712 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 13 treesize of output 9 [2022-11-20 19:54:43,720 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 13 treesize of output 9 [2022-11-20 19:54:43,729 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 19 treesize of output 1 [2022-11-20 19:54:43,808 INFO L321 Elim1Store]: treesize reduction 25, result has 43.2 percent of original size [2022-11-20 19:54:43,809 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 168 treesize of output 144 [2022-11-20 19:54:43,852 INFO L321 Elim1Store]: treesize reduction 25, result has 43.2 percent of original size [2022-11-20 19:54:43,853 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 84 treesize of output 84 [2022-11-20 19:54:43,872 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 57 [2022-11-20 19:54:43,936 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-20 19:54:43,950 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:54:43,965 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 5 [2022-11-20 19:54:43,971 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-20 19:54:43,984 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 5 [2022-11-20 19:54:43,991 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-20 19:54:44,022 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-20 19:54:44,036 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-20 19:54:44,078 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 13 treesize of output 9 [2022-11-20 19:54:44,086 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 13 treesize of output 9 [2022-11-20 19:54:44,094 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 19 treesize of output 1 [2022-11-20 19:54:44,155 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 11 treesize of output 7 [2022-11-20 19:54:44,162 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-20 19:54:44,167 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-20 19:54:44,314 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 105 [2022-11-20 19:54:44,322 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 70 [2022-11-20 19:54:44,332 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 46 [2022-11-20 19:54:44,357 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 5 [2022-11-20 19:54:44,364 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-20 19:54:44,380 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-20 19:54:44,398 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-20 19:54:44,407 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-20 19:54:44,410 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-20 19:54:45,203 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '871#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (not (= (select (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) |ULTIMATE.start_main_~p~0#1.offset|) 2)) (= |#NULL.offset| 0) (= |ULTIMATE.start_main_~flag~0#1| 1) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))' at error location [2022-11-20 19:54:45,203 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-20 19:54:45,203 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 19:54:45,203 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 8] total 18 [2022-11-20 19:54:45,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1747496229] [2022-11-20 19:54:45,204 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 19:54:45,204 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-11-20 19:54:45,204 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 19:54:45,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-11-20 19:54:45,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=668, Unknown=1, NotChecked=52, Total=812 [2022-11-20 19:54:45,205 INFO L87 Difference]: Start difference. First operand 39 states and 45 transitions. Second operand has 19 states, 19 states have (on average 2.5789473684210527) internal successors, (49), 18 states have internal predecessors, (49), 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) [2022-11-20 19:54:45,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 19:54:45,490 INFO L93 Difference]: Finished difference Result 59 states and 67 transitions. [2022-11-20 19:54:45,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-20 19:54:45,491 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 2.5789473684210527) internal successors, (49), 18 states have internal predecessors, (49), 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 20 [2022-11-20 19:54:45,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 19:54:45,492 INFO L225 Difference]: With dead ends: 59 [2022-11-20 19:54:45,492 INFO L226 Difference]: Without dead ends: 39 [2022-11-20 19:54:45,493 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 37 SyntacticMatches, 4 SemanticMatches, 31 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 265 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=118, Invalid=877, Unknown=1, NotChecked=60, Total=1056 [2022-11-20 19:54:45,494 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 13 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 19 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 19:54:45,494 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 120 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 111 Invalid, 0 Unknown, 19 Unchecked, 0.1s Time] [2022-11-20 19:54:45,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2022-11-20 19:54:45,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2022-11-20 19:54:45,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 38 states have (on average 1.1578947368421053) internal successors, (44), 38 states have internal predecessors, (44), 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) [2022-11-20 19:54:45,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 44 transitions. [2022-11-20 19:54:45,500 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 44 transitions. Word has length 20 [2022-11-20 19:54:45,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 19:54:45,501 INFO L495 AbstractCegarLoop]: Abstraction has 39 states and 44 transitions. [2022-11-20 19:54:45,501 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 2.5789473684210527) internal successors, (49), 18 states have internal predecessors, (49), 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) [2022-11-20 19:54:45,501 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 44 transitions. [2022-11-20 19:54:45,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 19:54:45,503 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 19:54:45,503 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 19:54:45,520 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_928b18fe-2f93-413b-96b9-94d4d14c050e/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-20 19:54:45,708 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_928b18fe-2f93-413b-96b9-94d4d14c050e/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 19:54:45,709 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 19:54:45,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 19:54:45,710 INFO L85 PathProgramCache]: Analyzing trace with hash -527939346, now seen corresponding path program 2 times [2022-11-20 19:54:45,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 19:54:45,710 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208584701] [2022-11-20 19:54:45,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:54:45,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 19:54:45,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 19:54:46,730 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 19:54:46,730 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 19:54:46,730 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208584701] [2022-11-20 19:54:46,731 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [208584701] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 19:54:46,731 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [649672597] [2022-11-20 19:54:46,731 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-20 19:54:46,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 19:54:46,731 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_928b18fe-2f93-413b-96b9-94d4d14c050e/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 19:54:46,732 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_928b18fe-2f93-413b-96b9-94d4d14c050e/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 19:54:46,735 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_928b18fe-2f93-413b-96b9-94d4d14c050e/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-20 19:54:46,863 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-11-20 19:54:46,863 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 19:54:46,866 INFO L263 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 66 conjunts are in the unsatisfiable core [2022-11-20 19:54:46,871 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 19:54:46,876 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-20 19:54:46,980 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-20 19:54:46,981 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-11-20 19:54:46,990 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 6 treesize of output 5 [2022-11-20 19:54:46,999 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 6 treesize of output 5 [2022-11-20 19:54:47,056 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-20 19:54:47,066 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 13 treesize of output 9 [2022-11-20 19:54:47,142 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 11 treesize of output 7 [2022-11-20 19:54:47,159 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-20 19:54:47,159 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 26 [2022-11-20 19:54:47,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:54:47,172 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 25 treesize of output 25 [2022-11-20 19:54:47,259 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-20 19:54:47,260 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 125 treesize of output 116 [2022-11-20 19:54:47,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:54:47,269 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 44 [2022-11-20 19:54:47,274 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 59 [2022-11-20 19:54:47,382 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-20 19:54:47,383 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 56 treesize of output 56 [2022-11-20 19:54:47,402 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-11-20 19:54:47,403 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 1 case distinctions, treesize of input 27 treesize of output 32 [2022-11-20 19:54:47,431 INFO L321 Elim1Store]: treesize reduction 24, result has 48.9 percent of original size [2022-11-20 19:54:47,432 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 47 [2022-11-20 19:54:47,442 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-20 19:54:47,487 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 47 [2022-11-20 19:54:48,089 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 53 [2022-11-20 19:54:48,096 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-20 19:54:48,096 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 57 treesize of output 37 [2022-11-20 19:54:48,395 INFO L321 Elim1Store]: treesize reduction 12, result has 52.0 percent of original size [2022-11-20 19:54:48,395 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 29 treesize of output 25 [2022-11-20 19:54:48,406 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 19:54:48,406 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 19:54:49,182 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 19:54:49,183 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 65 treesize of output 79 [2022-11-20 19:54:49,213 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 19:54:49,213 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 8 [2022-11-20 19:54:49,300 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 19:54:49,301 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 129 treesize of output 127 [2022-11-20 19:54:49,353 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 19:54:49,354 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 129 treesize of output 127 [2022-11-20 19:54:49,541 INFO L321 Elim1Store]: treesize reduction 48, result has 58.3 percent of original size [2022-11-20 19:54:49,542 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 642 treesize of output 669 [2022-11-20 19:54:52,551 WARN L207 Elim1Store]: Array PQE input equivalent to true [2022-11-20 19:54:52,569 WARN L207 Elim1Store]: Array PQE input equivalent to true [2022-11-20 19:54:52,579 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-20 19:54:52,616 WARN L207 Elim1Store]: Array PQE input equivalent to true [2022-11-20 19:54:52,686 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-20 19:54:59,351 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 19:54:59,351 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 169 treesize of output 239 [2022-11-20 19:55:04,250 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 4 [2022-11-20 19:55:04,273 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 7 [2022-11-20 19:55:04,279 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 4 [2022-11-20 19:55:04,303 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 24 treesize of output 8 [2022-11-20 19:55:04,345 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-20 19:55:04,377 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 3 [2022-11-20 19:55:04,409 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 7 [2022-11-20 19:55:04,450 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 19:55:04,450 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 31 [2022-11-20 19:55:04,526 INFO L321 Elim1Store]: treesize reduction 20, result has 72.6 percent of original size [2022-11-20 19:55:04,527 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 126 treesize of output 148 [2022-11-20 19:55:04,725 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 3 [2022-11-20 19:55:05,395 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 3 [2022-11-20 19:55:05,423 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 3 [2022-11-20 19:55:05,463 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 3 [2022-11-20 19:55:05,550 WARN L207 Elim1Store]: Array PQE input equivalent to true [2022-11-20 19:55:05,581 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 7 [2022-11-20 19:55:05,604 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 7 [2022-11-20 19:55:05,625 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 7 [2022-11-20 19:55:05,633 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 4 [2022-11-20 19:55:05,665 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 7 [2022-11-20 19:55:05,724 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 3