./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-examples/standard_strcpy_ground-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc03cfb-c05b-441c-90ad-25a92112503d/bin/utaipan-6cKwYrpEi9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc03cfb-c05b-441c-90ad-25a92112503d/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_6cc03cfb-c05b-441c-90ad-25a92112503d/bin/utaipan-6cKwYrpEi9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc03cfb-c05b-441c-90ad-25a92112503d/bin/utaipan-6cKwYrpEi9/config/TaipanReach.xml -i ../../sv-benchmarks/c/array-examples/standard_strcpy_ground-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc03cfb-c05b-441c-90ad-25a92112503d/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_6cc03cfb-c05b-441c-90ad-25a92112503d/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 9957a8257e625ece47db9a92e288c6545c023c8bdaf68d0d314c8d86ce47979a --- 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 19:00:22,536 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 19:00:22,539 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 19:00:22,564 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 19:00:22,564 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 19:00:22,566 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 19:00:22,567 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 19:00:22,569 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 19:00:22,571 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 19:00:22,572 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 19:00:22,573 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 19:00:22,574 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 19:00:22,575 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 19:00:22,576 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 19:00:22,577 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 19:00:22,578 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 19:00:22,579 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 19:00:22,580 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 19:00:22,582 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 19:00:22,584 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 19:00:22,586 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 19:00:22,593 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 19:00:22,594 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 19:00:22,595 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 19:00:22,599 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 19:00:22,599 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 19:00:22,599 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 19:00:22,600 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 19:00:22,601 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 19:00:22,602 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 19:00:22,602 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 19:00:22,603 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 19:00:22,604 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 19:00:22,605 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 19:00:22,606 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 19:00:22,606 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 19:00:22,614 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 19:00:22,615 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 19:00:22,615 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 19:00:22,616 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 19:00:22,617 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 19:00:22,618 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc03cfb-c05b-441c-90ad-25a92112503d/bin/utaipan-6cKwYrpEi9/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-20 19:00:22,672 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 19:00:22,672 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 19:00:22,673 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 19:00:22,673 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 19:00:22,674 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 19:00:22,675 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 19:00:22,675 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-20 19:00:22,675 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-20 19:00:22,675 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-20 19:00:22,676 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-20 19:00:22,677 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-20 19:00:22,677 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-20 19:00:22,677 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-20 19:00:22,677 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-20 19:00:22,678 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-20 19:00:22,678 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-20 19:00:22,678 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-20 19:00:22,678 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-20 19:00:22,679 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 19:00:22,679 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 19:00:22,679 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 19:00:22,680 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 19:00:22,680 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 19:00:22,680 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 19:00:22,680 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 19:00:22,681 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 19:00:22,681 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 19:00:22,681 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 19:00:22,682 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 19:00:22,682 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 19:00:22,682 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 19:00:22,682 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 19:00:22,683 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 19:00:22,683 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 19:00:22,683 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-20 19:00:22,683 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 19:00:22,684 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 19:00:22,684 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-20 19:00:22,684 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 19:00:22,684 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 19:00:22,684 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-20 19:00:22,685 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_6cc03cfb-c05b-441c-90ad-25a92112503d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc03cfb-c05b-441c-90ad-25a92112503d/bin/utaipan-6cKwYrpEi9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9957a8257e625ece47db9a92e288c6545c023c8bdaf68d0d314c8d86ce47979a [2022-11-20 19:00:22,998 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 19:00:23,024 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 19:00:23,027 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 19:00:23,029 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 19:00:23,029 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 19:00:23,031 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc03cfb-c05b-441c-90ad-25a92112503d/bin/utaipan-6cKwYrpEi9/../../sv-benchmarks/c/array-examples/standard_strcpy_ground-1.i [2022-11-20 19:00:26,135 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 19:00:26,318 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 19:00:26,318 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc03cfb-c05b-441c-90ad-25a92112503d/sv-benchmarks/c/array-examples/standard_strcpy_ground-1.i [2022-11-20 19:00:26,326 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc03cfb-c05b-441c-90ad-25a92112503d/bin/utaipan-6cKwYrpEi9/data/6aee469eb/04738ddf481d4f7e8256e14c2133fa42/FLAGe97dfb690 [2022-11-20 19:00:26,346 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc03cfb-c05b-441c-90ad-25a92112503d/bin/utaipan-6cKwYrpEi9/data/6aee469eb/04738ddf481d4f7e8256e14c2133fa42 [2022-11-20 19:00:26,354 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 19:00:26,356 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 19:00:26,359 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 19:00:26,359 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 19:00:26,363 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 19:00:26,364 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:00:26" (1/1) ... [2022-11-20 19:00:26,366 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63271dec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:00:26, skipping insertion in model container [2022-11-20 19:00:26,366 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:00:26" (1/1) ... [2022-11-20 19:00:26,374 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 19:00:26,397 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 19:00:26,581 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_6cc03cfb-c05b-441c-90ad-25a92112503d/sv-benchmarks/c/array-examples/standard_strcpy_ground-1.i[853,866] [2022-11-20 19:00:26,598 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 19:00:26,606 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 19:00:26,617 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_6cc03cfb-c05b-441c-90ad-25a92112503d/sv-benchmarks/c/array-examples/standard_strcpy_ground-1.i[853,866] [2022-11-20 19:00:26,624 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 19:00:26,635 INFO L208 MainTranslator]: Completed translation [2022-11-20 19:00:26,636 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:00:26 WrapperNode [2022-11-20 19:00:26,636 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 19:00:26,637 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 19:00:26,637 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 19:00:26,637 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 19:00:26,644 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:00:26" (1/1) ... [2022-11-20 19:00:26,652 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:00:26" (1/1) ... [2022-11-20 19:00:26,668 INFO L138 Inliner]: procedures = 16, calls = 19, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 66 [2022-11-20 19:00:26,668 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 19:00:26,669 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 19:00:26,669 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 19:00:26,669 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 19:00:26,679 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:00:26" (1/1) ... [2022-11-20 19:00:26,679 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:00:26" (1/1) ... [2022-11-20 19:00:26,683 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:00:26" (1/1) ... [2022-11-20 19:00:26,683 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:00:26" (1/1) ... [2022-11-20 19:00:26,688 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:00:26" (1/1) ... [2022-11-20 19:00:26,692 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:00:26" (1/1) ... [2022-11-20 19:00:26,694 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:00:26" (1/1) ... [2022-11-20 19:00:26,695 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:00:26" (1/1) ... [2022-11-20 19:00:26,697 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 19:00:26,698 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 19:00:26,698 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 19:00:26,698 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 19:00:26,699 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:00:26" (1/1) ... [2022-11-20 19:00:26,704 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 19:00:26,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc03cfb-c05b-441c-90ad-25a92112503d/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 19:00:26,727 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc03cfb-c05b-441c-90ad-25a92112503d/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 19:00:26,737 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc03cfb-c05b-441c-90ad-25a92112503d/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 19:00:26,775 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 19:00:26,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 19:00:26,776 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 19:00:26,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 19:00:26,776 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 19:00:26,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 19:00:26,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 19:00:26,777 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 19:00:26,843 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 19:00:26,844 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 19:00:26,980 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 19:00:27,011 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 19:00:27,011 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-20 19:00:27,013 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:00:27 BoogieIcfgContainer [2022-11-20 19:00:27,013 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 19:00:27,016 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 19:00:27,016 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 19:00:27,019 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 19:00:27,019 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 07:00:26" (1/3) ... [2022-11-20 19:00:27,020 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c0e9f43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:00:27, skipping insertion in model container [2022-11-20 19:00:27,020 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:00:26" (2/3) ... [2022-11-20 19:00:27,021 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c0e9f43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:00:27, skipping insertion in model container [2022-11-20 19:00:27,021 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:00:27" (3/3) ... [2022-11-20 19:00:27,022 INFO L112 eAbstractionObserver]: Analyzing ICFG standard_strcpy_ground-1.i [2022-11-20 19:00:27,041 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 19:00:27,042 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-20 19:00:27,082 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 19:00:27,088 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;@5acbd5ed, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 19:00:27,088 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-20 19:00:27,092 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 10 states have internal predecessors, (15), 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 19:00:27,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-20 19:00:27,097 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 19:00:27,098 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-20 19:00:27,098 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 19:00:27,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 19:00:27,103 INFO L85 PathProgramCache]: Analyzing trace with hash -583452026, now seen corresponding path program 1 times [2022-11-20 19:00:27,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 19:00:27,113 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1109896374] [2022-11-20 19:00:27,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:00:27,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 19:00:27,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 19:00:27,259 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 19:00:27,259 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 19:00:27,260 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1109896374] [2022-11-20 19:00:27,260 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1109896374] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 19:00:27,261 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 19:00:27,261 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 19:00:27,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311011956] [2022-11-20 19:00:27,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 19:00:27,268 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-20 19:00:27,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 19:00:27,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-20 19:00:27,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-20 19:00:27,300 INFO L87 Difference]: Start difference. First operand has 11 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 10 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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 19:00:27,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 19:00:27,326 INFO L93 Difference]: Finished difference Result 18 states and 23 transitions. [2022-11-20 19:00:27,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-20 19:00:27,329 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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 7 [2022-11-20 19:00:27,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 19:00:27,337 INFO L225 Difference]: With dead ends: 18 [2022-11-20 19:00:27,337 INFO L226 Difference]: Without dead ends: 10 [2022-11-20 19:00:27,340 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 19:00:27,344 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 19:00:27,345 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 8 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 19:00:27,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2022-11-20 19:00:27,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2022-11-20 19:00:27,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 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 19:00:27,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 12 transitions. [2022-11-20 19:00:27,389 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 12 transitions. Word has length 7 [2022-11-20 19:00:27,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 19:00:27,389 INFO L495 AbstractCegarLoop]: Abstraction has 10 states and 12 transitions. [2022-11-20 19:00:27,389 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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 19:00:27,390 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 12 transitions. [2022-11-20 19:00:27,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 19:00:27,391 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 19:00:27,391 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 19:00:27,392 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 19:00:27,392 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 19:00:27,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 19:00:27,393 INFO L85 PathProgramCache]: Analyzing trace with hash 117723461, now seen corresponding path program 1 times [2022-11-20 19:00:27,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 19:00:27,394 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1466560911] [2022-11-20 19:00:27,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:00:27,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 19:00:27,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 19:00:27,495 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 19:00:27,495 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 19:00:27,496 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1466560911] [2022-11-20 19:00:27,496 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1466560911] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 19:00:27,496 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 19:00:27,496 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 19:00:27,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897989141] [2022-11-20 19:00:27,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 19:00:27,498 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 19:00:27,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 19:00:27,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 19:00:27,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 19:00:27,500 INFO L87 Difference]: Start difference. First operand 10 states and 12 transitions. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 19:00:27,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 19:00:27,535 INFO L93 Difference]: Finished difference Result 19 states and 23 transitions. [2022-11-20 19:00:27,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 19:00:27,536 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-11-20 19:00:27,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 19:00:27,537 INFO L225 Difference]: With dead ends: 19 [2022-11-20 19:00:27,537 INFO L226 Difference]: Without dead ends: 11 [2022-11-20 19:00:27,537 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 19:00:27,539 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 0 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 19:00:27,540 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 14 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 19:00:27,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2022-11-20 19:00:27,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2022-11-20 19:00:27,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 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 19:00:27,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 13 transitions. [2022-11-20 19:00:27,558 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 13 transitions. Word has length 8 [2022-11-20 19:00:27,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 19:00:27,559 INFO L495 AbstractCegarLoop]: Abstraction has 11 states and 13 transitions. [2022-11-20 19:00:27,559 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 19:00:27,559 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2022-11-20 19:00:27,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-20 19:00:27,560 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 19:00:27,560 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 19:00:27,560 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-20 19:00:27,561 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 19:00:27,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 19:00:27,561 INFO L85 PathProgramCache]: Analyzing trace with hash -903641258, now seen corresponding path program 1 times [2022-11-20 19:00:27,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 19:00:27,562 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [249266737] [2022-11-20 19:00:27,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:00:27,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 19:00:27,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 19:00:27,788 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 19:00:27,788 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 19:00:27,789 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [249266737] [2022-11-20 19:00:27,789 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [249266737] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 19:00:27,789 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [127301890] [2022-11-20 19:00:27,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:00:27,790 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 19:00:27,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc03cfb-c05b-441c-90ad-25a92112503d/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 19:00:27,815 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc03cfb-c05b-441c-90ad-25a92112503d/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 19:00:27,827 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc03cfb-c05b-441c-90ad-25a92112503d/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-20 19:00:27,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 19:00:27,912 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-20 19:00:27,922 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 19:00:27,977 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 19:00:27,977 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 19:00:28,025 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 19:00:28,027 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [127301890] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 19:00:28,027 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2107130621] [2022-11-20 19:00:28,051 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2022-11-20 19:00:28,051 INFO L166 IcfgInterpreter]: Building call graph [2022-11-20 19:00:28,055 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-20 19:00:28,061 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-20 19:00:28,062 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-20 19:00:28,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:28,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:28,212 INFO L321 Elim1Store]: treesize reduction 37, result has 32.7 percent of original size [2022-11-20 19:00:28,213 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 34 [2022-11-20 19:00:28,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:28,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:28,287 INFO L321 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2022-11-20 19:00:28,288 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 39 treesize of output 53 [2022-11-20 19:00:28,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:28,339 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 33 [2022-11-20 19:00:28,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:28,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:28,508 INFO L321 Elim1Store]: treesize reduction 49, result has 12.5 percent of original size [2022-11-20 19:00:28,509 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 258 treesize of output 246 [2022-11-20 19:00:28,651 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-20 19:00:28,713 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-20 19:00:28,956 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [2107130621] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 19:00:28,956 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-20 19:00:28,956 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [3, 3, 3] total 11 [2022-11-20 19:00:28,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714186424] [2022-11-20 19:00:28,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 19:00:28,957 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-20 19:00:28,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 19:00:28,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-20 19:00:28,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2022-11-20 19:00:28,959 INFO L87 Difference]: Start difference. First operand 11 states and 13 transitions. Second operand has 7 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 19:00:29,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 19:00:29,000 INFO L93 Difference]: Finished difference Result 20 states and 23 transitions. [2022-11-20 19:00:29,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-20 19:00:29,001 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-11-20 19:00:29,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 19:00:29,001 INFO L225 Difference]: With dead ends: 20 [2022-11-20 19:00:29,002 INFO L226 Difference]: Without dead ends: 13 [2022-11-20 19:00:29,002 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2022-11-20 19:00:29,003 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 7 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 19:00:29,004 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 11 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 19:00:29,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2022-11-20 19:00:29,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2022-11-20 19:00:29,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 12 states have (on average 1.25) internal successors, (15), 12 states have internal predecessors, (15), 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 19:00:29,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 15 transitions. [2022-11-20 19:00:29,008 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 15 transitions. Word has length 9 [2022-11-20 19:00:29,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 19:00:29,009 INFO L495 AbstractCegarLoop]: Abstraction has 13 states and 15 transitions. [2022-11-20 19:00:29,009 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 19:00:29,009 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2022-11-20 19:00:29,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-20 19:00:29,009 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 19:00:29,010 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 19:00:29,027 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc03cfb-c05b-441c-90ad-25a92112503d/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-20 19:00:29,215 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc03cfb-c05b-441c-90ad-25a92112503d/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 19:00:29,216 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 19:00:29,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 19:00:29,216 INFO L85 PathProgramCache]: Analyzing trace with hash 1919282960, now seen corresponding path program 1 times [2022-11-20 19:00:29,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 19:00:29,216 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1663507053] [2022-11-20 19:00:29,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:00:29,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 19:00:29,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 19:00:29,363 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 19:00:29,363 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 19:00:29,363 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1663507053] [2022-11-20 19:00:29,364 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1663507053] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 19:00:29,364 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [41457851] [2022-11-20 19:00:29,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:00:29,364 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 19:00:29,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc03cfb-c05b-441c-90ad-25a92112503d/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 19:00:29,371 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc03cfb-c05b-441c-90ad-25a92112503d/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 19:00:29,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc03cfb-c05b-441c-90ad-25a92112503d/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-20 19:00:29,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 19:00:29,452 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-20 19:00:29,453 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 19:00:29,464 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 19:00:29,465 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 19:00:29,481 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 19:00:29,482 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [41457851] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 19:00:29,482 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1475361950] [2022-11-20 19:00:29,485 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2022-11-20 19:00:29,485 INFO L166 IcfgInterpreter]: Building call graph [2022-11-20 19:00:29,485 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-20 19:00:29,486 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-20 19:00:29,486 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-20 19:00:29,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:29,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:29,557 INFO L321 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2022-11-20 19:00:29,558 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 39 treesize of output 53 [2022-11-20 19:00:29,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:29,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:29,578 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 8 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 27 [2022-11-20 19:00:29,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:29,609 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 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 19:00:29,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:29,696 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:00:29,728 INFO L321 Elim1Store]: treesize reduction 54, result has 28.0 percent of original size [2022-11-20 19:00:29,728 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 248 treesize of output 247 [2022-11-20 19:00:29,880 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-20 19:00:29,918 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:00:29,929 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-20 19:00:29,930 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 39 treesize of output 29 [2022-11-20 19:00:29,969 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:00:29,982 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-20 19:00:29,983 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 25 treesize of output 25 [2022-11-20 19:00:30,044 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:00:30,056 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-20 19:00:30,056 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 25 treesize of output 25 [2022-11-20 19:00:30,069 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-20 19:00:30,493 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '266#(and (= |ULTIMATE.start_main_~#dst~0#1.offset| 0) (< |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~i~0#1|) (<= 0 |ULTIMATE.start_main_~#src~0#1.base|) (= |ULTIMATE.start_main_~#src~0#1.offset| 0) (= |ULTIMATE.start_main_#t~mem6#1| (select (select |#memory_int| |ULTIMATE.start_main_~#dst~0#1.base|) (+ |ULTIMATE.start_main_~#dst~0#1.offset| (* |ULTIMATE.start_main_~x~0#1| 4)))) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (= |ULTIMATE.start_main_#t~mem7#1| (select (select |#memory_int| |ULTIMATE.start_main_~#src~0#1.base|) (+ |ULTIMATE.start_main_~#src~0#1.offset| (* |ULTIMATE.start_main_~x~0#1| 4)))) (= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| (ite (= |ULTIMATE.start_main_#t~mem7#1| |ULTIMATE.start_main_#t~mem6#1|) 1 0)) (<= 0 |ULTIMATE.start_main_~#dst~0#1.base|) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (<= 100000 |ULTIMATE.start_main_~j~0#1|) (= |#NULL.offset| 0) (= |ULTIMATE.start_main_~x~0#1| 0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))' at error location [2022-11-20 19:00:30,493 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-20 19:00:30,493 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 19:00:30,493 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2022-11-20 19:00:30,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [757597198] [2022-11-20 19:00:30,494 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 19:00:30,494 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-20 19:00:30,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 19:00:30,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-20 19:00:30,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2022-11-20 19:00:30,495 INFO L87 Difference]: Start difference. First operand 13 states and 15 transitions. Second operand has 7 states, 7 states have (on average 2.142857142857143) internal successors, (15), 6 states have internal predecessors, (15), 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 19:00:30,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 19:00:30,526 INFO L93 Difference]: Finished difference Result 26 states and 32 transitions. [2022-11-20 19:00:30,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 19:00:30,526 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.142857142857143) internal successors, (15), 6 states have internal predecessors, (15), 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 19:00:30,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 19:00:30,527 INFO L225 Difference]: With dead ends: 26 [2022-11-20 19:00:30,527 INFO L226 Difference]: Without dead ends: 16 [2022-11-20 19:00:30,527 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2022-11-20 19:00:30,528 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 0 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 19:00:30,529 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 21 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 19:00:30,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2022-11-20 19:00:30,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2022-11-20 19:00:30,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 15 states have (on average 1.2) internal successors, (18), 15 states have internal predecessors, (18), 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 19:00:30,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 18 transitions. [2022-11-20 19:00:30,534 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 18 transitions. Word has length 11 [2022-11-20 19:00:30,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 19:00:30,535 INFO L495 AbstractCegarLoop]: Abstraction has 16 states and 18 transitions. [2022-11-20 19:00:30,535 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.142857142857143) internal successors, (15), 6 states have internal predecessors, (15), 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 19:00:30,535 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2022-11-20 19:00:30,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-20 19:00:30,536 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 19:00:30,536 INFO L195 NwaCegarLoop]: trace histogram [4, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 19:00:30,548 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc03cfb-c05b-441c-90ad-25a92112503d/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-20 19:00:30,741 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc03cfb-c05b-441c-90ad-25a92112503d/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 19:00:30,741 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 19:00:30,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 19:00:30,742 INFO L85 PathProgramCache]: Analyzing trace with hash -1343003265, now seen corresponding path program 2 times [2022-11-20 19:00:30,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 19:00:30,742 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220794513] [2022-11-20 19:00:30,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:00:30,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 19:00:30,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 19:00:30,871 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 19:00:30,871 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 19:00:30,871 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [220794513] [2022-11-20 19:00:30,871 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [220794513] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 19:00:30,872 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2110465383] [2022-11-20 19:00:30,872 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-20 19:00:30,872 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 19:00:30,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc03cfb-c05b-441c-90ad-25a92112503d/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 19:00:30,873 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc03cfb-c05b-441c-90ad-25a92112503d/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 19:00:30,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc03cfb-c05b-441c-90ad-25a92112503d/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-20 19:00:30,950 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-11-20 19:00:30,950 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 19:00:30,952 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 22 conjunts are in the unsatisfiable core [2022-11-20 19:00:30,953 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 19:00:31,026 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-11-20 19:00:31,026 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 15 [2022-11-20 19:00:31,120 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-11-20 19:00:31,120 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 19:00:31,179 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 19:00:31,179 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 82 treesize of output 78 [2022-11-20 19:00:31,197 INFO L321 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2022-11-20 19:00:31,198 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 20 treesize of output 18 [2022-11-20 19:00:31,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:31,229 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-11-20 19:00:31,229 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2110465383] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 19:00:31,229 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1285299830] [2022-11-20 19:00:31,232 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2022-11-20 19:00:31,232 INFO L166 IcfgInterpreter]: Building call graph [2022-11-20 19:00:31,232 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-20 19:00:31,233 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-20 19:00:31,233 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-20 19:00:31,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:31,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:31,286 INFO L321 Elim1Store]: treesize reduction 37, result has 32.7 percent of original size [2022-11-20 19:00:31,287 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 34 [2022-11-20 19:00:31,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:31,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:31,349 INFO L321 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2022-11-20 19:00:31,350 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 39 treesize of output 53 [2022-11-20 19:00:31,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:31,385 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 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 19:00:31,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:31,465 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:00:31,490 INFO L321 Elim1Store]: treesize reduction 54, result has 28.0 percent of original size [2022-11-20 19:00:31,491 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 248 treesize of output 247 [2022-11-20 19:00:31,616 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-20 19:00:31,646 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:00:31,656 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-20 19:00:31,657 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 29 [2022-11-20 19:00:31,694 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:00:31,704 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-20 19:00:31,705 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 25 treesize of output 25 [2022-11-20 19:00:31,769 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:00:31,780 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-20 19:00:31,780 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 25 treesize of output 25 [2022-11-20 19:00:31,787 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-20 19:00:32,258 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '426#(and (= |ULTIMATE.start_main_~#dst~0#1.offset| 0) (< |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~i~0#1|) (<= 0 |ULTIMATE.start_main_~#src~0#1.base|) (= |ULTIMATE.start_main_~#src~0#1.offset| 0) (= |ULTIMATE.start_main_#t~mem6#1| (select (select |#memory_int| |ULTIMATE.start_main_~#dst~0#1.base|) (+ |ULTIMATE.start_main_~#dst~0#1.offset| (* |ULTIMATE.start_main_~x~0#1| 4)))) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (= |ULTIMATE.start_main_#t~mem7#1| (select (select |#memory_int| |ULTIMATE.start_main_~#src~0#1.base|) (+ |ULTIMATE.start_main_~#src~0#1.offset| (* |ULTIMATE.start_main_~x~0#1| 4)))) (= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| (ite (= |ULTIMATE.start_main_#t~mem7#1| |ULTIMATE.start_main_#t~mem6#1|) 1 0)) (<= 0 |ULTIMATE.start_main_~#dst~0#1.base|) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (<= 100000 |ULTIMATE.start_main_~j~0#1|) (= |#NULL.offset| 0) (= |ULTIMATE.start_main_~x~0#1| 0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))' at error location [2022-11-20 19:00:32,258 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-20 19:00:32,258 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 19:00:32,259 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 14 [2022-11-20 19:00:32,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652040449] [2022-11-20 19:00:32,259 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 19:00:32,259 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-11-20 19:00:32,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 19:00:32,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-11-20 19:00:32,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=356, Unknown=0, NotChecked=0, Total=420 [2022-11-20 19:00:32,260 INFO L87 Difference]: Start difference. First operand 16 states and 18 transitions. Second operand has 15 states, 15 states have (on average 2.2) internal successors, (33), 14 states have internal predecessors, (33), 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 19:00:32,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 19:00:32,484 INFO L93 Difference]: Finished difference Result 31 states and 36 transitions. [2022-11-20 19:00:32,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-20 19:00:32,484 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 2.2) internal successors, (33), 14 states have internal predecessors, (33), 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 14 [2022-11-20 19:00:32,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 19:00:32,485 INFO L225 Difference]: With dead ends: 31 [2022-11-20 19:00:32,485 INFO L226 Difference]: Without dead ends: 21 [2022-11-20 19:00:32,486 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 156 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=131, Invalid=681, Unknown=0, NotChecked=0, Total=812 [2022-11-20 19:00:32,487 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 29 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 19:00:32,487 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 27 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 19:00:32,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2022-11-20 19:00:32,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 19. [2022-11-20 19:00:32,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 18 states have internal predecessors, (21), 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 19:00:32,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 21 transitions. [2022-11-20 19:00:32,493 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 21 transitions. Word has length 14 [2022-11-20 19:00:32,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 19:00:32,493 INFO L495 AbstractCegarLoop]: Abstraction has 19 states and 21 transitions. [2022-11-20 19:00:32,493 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 2.2) internal successors, (33), 14 states have internal predecessors, (33), 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 19:00:32,493 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 21 transitions. [2022-11-20 19:00:32,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-20 19:00:32,494 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 19:00:32,494 INFO L195 NwaCegarLoop]: trace histogram [5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 19:00:32,505 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc03cfb-c05b-441c-90ad-25a92112503d/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-20 19:00:32,694 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc03cfb-c05b-441c-90ad-25a92112503d/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 19:00:32,695 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 19:00:32,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 19:00:32,695 INFO L85 PathProgramCache]: Analyzing trace with hash -1675846128, now seen corresponding path program 1 times [2022-11-20 19:00:32,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 19:00:32,695 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732093740] [2022-11-20 19:00:32,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:00:32,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 19:00:32,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 19:00:32,825 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-20 19:00:32,825 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 19:00:32,825 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [732093740] [2022-11-20 19:00:32,825 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [732093740] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 19:00:32,826 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1609653837] [2022-11-20 19:00:32,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:00:32,826 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 19:00:32,826 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc03cfb-c05b-441c-90ad-25a92112503d/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 19:00:32,827 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc03cfb-c05b-441c-90ad-25a92112503d/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 19:00:32,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc03cfb-c05b-441c-90ad-25a92112503d/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-20 19:00:32,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 19:00:32,903 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-20 19:00:32,904 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 19:00:32,924 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-20 19:00:32,924 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 19:00:33,009 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-20 19:00:33,010 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1609653837] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 19:00:33,010 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [679938851] [2022-11-20 19:00:33,012 INFO L159 IcfgInterpreter]: Started Sifa with 10 locations of interest [2022-11-20 19:00:33,012 INFO L166 IcfgInterpreter]: Building call graph [2022-11-20 19:00:33,012 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-20 19:00:33,013 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-20 19:00:33,013 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-20 19:00:33,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:33,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:33,067 INFO L321 Elim1Store]: treesize reduction 37, result has 32.7 percent of original size [2022-11-20 19:00:33,067 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 34 [2022-11-20 19:00:33,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:33,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:33,121 INFO L321 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2022-11-20 19:00:33,122 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 39 treesize of output 53 [2022-11-20 19:00:33,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:33,159 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 33 [2022-11-20 19:00:33,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:33,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:33,248 INFO L321 Elim1Store]: treesize reduction 49, result has 12.5 percent of original size [2022-11-20 19:00:33,249 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 258 treesize of output 246 [2022-11-20 19:00:33,307 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-20 19:00:33,341 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:00:33,351 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-20 19:00:33,351 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 39 treesize of output 29 [2022-11-20 19:00:33,382 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:00:33,392 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-20 19:00:33,393 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 25 treesize of output 25 [2022-11-20 19:00:33,598 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:00:33,608 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-20 19:00:33,608 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 25 treesize of output 25 [2022-11-20 19:00:33,615 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-20 19:00:34,406 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '639#(and (< |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~i~0#1|) (= |ULTIMATE.start_main_#t~mem6#1| (select (select |#memory_int| |ULTIMATE.start_main_~#dst~0#1.base|) (+ |ULTIMATE.start_main_~#dst~0#1.offset| (* |ULTIMATE.start_main_~x~0#1| 4)))) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (= |ULTIMATE.start_main_#t~mem7#1| (select (select |#memory_int| |ULTIMATE.start_main_~#src~0#1.base|) (+ |ULTIMATE.start_main_~#src~0#1.offset| (* |ULTIMATE.start_main_~x~0#1| 4)))) (= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| (ite (= |ULTIMATE.start_main_#t~mem7#1| |ULTIMATE.start_main_#t~mem6#1|) 1 0)) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (or (and (= |ULTIMATE.start_main_~#dst~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#src~0#1.base|) (= |ULTIMATE.start_main_~#src~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#dst~0#1.base|) (<= 100000 |ULTIMATE.start_main_~j~0#1|) (= |#NULL.offset| 0) (= |ULTIMATE.start_main_~x~0#1| 0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0)) (and (= |ULTIMATE.start_main_~#dst~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#src~0#1.base|) (= |ULTIMATE.start_main_~#src~0#1.offset| 0) (<= 1 |ULTIMATE.start_main_~x~0#1|) (<= 0 |ULTIMATE.start_main_~#dst~0#1.base|) (<= 100000 |ULTIMATE.start_main_~j~0#1|) (= |#NULL.offset| 0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))))' at error location [2022-11-20 19:00:34,406 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-20 19:00:34,406 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 19:00:34,406 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 14 [2022-11-20 19:00:34,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994261869] [2022-11-20 19:00:34,407 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 19:00:34,407 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-11-20 19:00:34,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 19:00:34,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-11-20 19:00:34,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=130, Invalid=332, Unknown=0, NotChecked=0, Total=462 [2022-11-20 19:00:34,408 INFO L87 Difference]: Start difference. First operand 19 states and 21 transitions. Second operand has 15 states, 15 states have (on average 1.6666666666666667) internal successors, (25), 14 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 19:00:34,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 19:00:34,454 INFO L93 Difference]: Finished difference Result 38 states and 48 transitions. [2022-11-20 19:00:34,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-20 19:00:34,455 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 1.6666666666666667) internal successors, (25), 14 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2022-11-20 19:00:34,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 19:00:34,455 INFO L225 Difference]: With dead ends: 38 [2022-11-20 19:00:34,455 INFO L226 Difference]: Without dead ends: 26 [2022-11-20 19:00:34,456 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=130, Invalid=332, Unknown=0, NotChecked=0, Total=462 [2022-11-20 19:00:34,457 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 0 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 19:00:34,457 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 42 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 19:00:34,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2022-11-20 19:00:34,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2022-11-20 19:00:34,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 25 states have (on average 1.12) internal successors, (28), 25 states have internal predecessors, (28), 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 19:00:34,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 28 transitions. [2022-11-20 19:00:34,465 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 28 transitions. Word has length 18 [2022-11-20 19:00:34,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 19:00:34,466 INFO L495 AbstractCegarLoop]: Abstraction has 26 states and 28 transitions. [2022-11-20 19:00:34,466 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 1.6666666666666667) internal successors, (25), 14 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 19:00:34,466 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 28 transitions. [2022-11-20 19:00:34,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-20 19:00:34,467 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 19:00:34,467 INFO L195 NwaCegarLoop]: trace histogram [12, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 19:00:34,480 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc03cfb-c05b-441c-90ad-25a92112503d/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-20 19:00:34,673 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc03cfb-c05b-441c-90ad-25a92112503d/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-11-20 19:00:34,673 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 19:00:34,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 19:00:34,674 INFO L85 PathProgramCache]: Analyzing trace with hash -1957214079, now seen corresponding path program 2 times [2022-11-20 19:00:34,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 19:00:34,674 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1693913490] [2022-11-20 19:00:34,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:00:34,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 19:00:34,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 19:00:35,077 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-20 19:00:35,077 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 19:00:35,078 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1693913490] [2022-11-20 19:00:35,078 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1693913490] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 19:00:35,078 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [919508690] [2022-11-20 19:00:35,078 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-20 19:00:35,078 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 19:00:35,078 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc03cfb-c05b-441c-90ad-25a92112503d/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 19:00:35,079 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc03cfb-c05b-441c-90ad-25a92112503d/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 19:00:35,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc03cfb-c05b-441c-90ad-25a92112503d/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-20 19:00:35,159 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-11-20 19:00:35,159 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 19:00:35,160 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-20 19:00:35,162 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 19:00:35,244 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2022-11-20 19:00:35,244 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 19:00:35,322 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2022-11-20 19:00:35,322 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [919508690] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 19:00:35,322 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [20772519] [2022-11-20 19:00:35,324 INFO L159 IcfgInterpreter]: Started Sifa with 10 locations of interest [2022-11-20 19:00:35,324 INFO L166 IcfgInterpreter]: Building call graph [2022-11-20 19:00:35,325 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-20 19:00:35,325 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-20 19:00:35,325 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-20 19:00:35,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:35,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:35,372 INFO L321 Elim1Store]: treesize reduction 37, result has 32.7 percent of original size [2022-11-20 19:00:35,372 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 34 [2022-11-20 19:00:35,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:35,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:35,424 INFO L321 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2022-11-20 19:00:35,425 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 39 treesize of output 53 [2022-11-20 19:00:35,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:35,450 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 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 19:00:35,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:35,507 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:00:35,533 INFO L321 Elim1Store]: treesize reduction 54, result has 28.0 percent of original size [2022-11-20 19:00:35,533 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 248 treesize of output 247 [2022-11-20 19:00:35,669 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-20 19:00:35,704 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-11-20 19:00:35,705 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 24 treesize of output 19 [2022-11-20 19:00:35,737 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:00:35,747 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-20 19:00:35,748 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 25 treesize of output 25 [2022-11-20 19:00:35,954 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:00:35,964 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-20 19:00:35,964 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 25 [2022-11-20 19:00:35,970 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-20 19:00:36,763 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '913#(and (< |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~i~0#1|) (= |ULTIMATE.start_main_#t~mem6#1| (select (select |#memory_int| |ULTIMATE.start_main_~#dst~0#1.base|) (+ |ULTIMATE.start_main_~#dst~0#1.offset| (* |ULTIMATE.start_main_~x~0#1| 4)))) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (= |ULTIMATE.start_main_#t~mem7#1| (select (select |#memory_int| |ULTIMATE.start_main_~#src~0#1.base|) (+ |ULTIMATE.start_main_~#src~0#1.offset| (* |ULTIMATE.start_main_~x~0#1| 4)))) (= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| (ite (= |ULTIMATE.start_main_#t~mem7#1| |ULTIMATE.start_main_#t~mem6#1|) 1 0)) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (or (and (= |ULTIMATE.start_main_~#dst~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#src~0#1.base|) (= |ULTIMATE.start_main_~#src~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#dst~0#1.base|) (<= 100000 |ULTIMATE.start_main_~j~0#1|) (= |#NULL.offset| 0) (= |ULTIMATE.start_main_~x~0#1| 0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0)) (and (= |ULTIMATE.start_main_~#dst~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#src~0#1.base|) (= |ULTIMATE.start_main_~#src~0#1.offset| 0) (<= 1 |ULTIMATE.start_main_~x~0#1|) (<= 0 |ULTIMATE.start_main_~#dst~0#1.base|) (<= 100000 |ULTIMATE.start_main_~j~0#1|) (= |#NULL.offset| 0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))))' at error location [2022-11-20 19:00:36,763 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-20 19:00:36,763 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 19:00:36,763 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 5, 5] total 20 [2022-11-20 19:00:36,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [122843885] [2022-11-20 19:00:36,763 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 19:00:36,764 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-11-20 19:00:36,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 19:00:36,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-11-20 19:00:36,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=152, Invalid=604, Unknown=0, NotChecked=0, Total=756 [2022-11-20 19:00:36,765 INFO L87 Difference]: Start difference. First operand 26 states and 28 transitions. Second operand has 21 states, 21 states have (on average 1.9047619047619047) internal successors, (40), 20 states have internal predecessors, (40), 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 19:00:37,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 19:00:37,079 INFO L93 Difference]: Finished difference Result 46 states and 51 transitions. [2022-11-20 19:00:37,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-20 19:00:37,080 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 1.9047619047619047) internal successors, (40), 20 states have internal predecessors, (40), 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 25 [2022-11-20 19:00:37,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 19:00:37,081 INFO L225 Difference]: With dead ends: 46 [2022-11-20 19:00:37,081 INFO L226 Difference]: Without dead ends: 29 [2022-11-20 19:00:37,082 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 59 SyntacticMatches, 2 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 365 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=373, Invalid=1267, Unknown=0, NotChecked=0, Total=1640 [2022-11-20 19:00:37,083 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 18 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 19:00:37,083 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 51 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 19:00:37,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2022-11-20 19:00:37,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2022-11-20 19:00:37,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 28 states have (on average 1.1071428571428572) internal successors, (31), 28 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 19:00:37,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 31 transitions. [2022-11-20 19:00:37,091 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 31 transitions. Word has length 25 [2022-11-20 19:00:37,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 19:00:37,091 INFO L495 AbstractCegarLoop]: Abstraction has 29 states and 31 transitions. [2022-11-20 19:00:37,091 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 1.9047619047619047) internal successors, (40), 20 states have internal predecessors, (40), 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 19:00:37,092 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 31 transitions. [2022-11-20 19:00:37,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-20 19:00:37,092 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 19:00:37,092 INFO L195 NwaCegarLoop]: trace histogram [13, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 19:00:37,103 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc03cfb-c05b-441c-90ad-25a92112503d/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-20 19:00:37,298 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc03cfb-c05b-441c-90ad-25a92112503d/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2022-11-20 19:00:37,298 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 19:00:37,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 19:00:37,299 INFO L85 PathProgramCache]: Analyzing trace with hash 1673003798, now seen corresponding path program 3 times [2022-11-20 19:00:37,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 19:00:37,299 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [738534532] [2022-11-20 19:00:37,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:00:37,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 19:00:37,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 19:00:37,618 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-20 19:00:37,618 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 19:00:37,618 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [738534532] [2022-11-20 19:00:37,618 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [738534532] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 19:00:37,618 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [721522188] [2022-11-20 19:00:37,618 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-20 19:00:37,619 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 19:00:37,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc03cfb-c05b-441c-90ad-25a92112503d/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 19:00:37,623 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc03cfb-c05b-441c-90ad-25a92112503d/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 19:00:37,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc03cfb-c05b-441c-90ad-25a92112503d/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-20 19:00:37,729 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-20 19:00:37,730 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 19:00:37,731 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 15 conjunts are in the unsatisfiable core [2022-11-20 19:00:37,733 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 19:00:37,766 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-20 19:00:37,767 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 19:00:38,082 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-20 19:00:38,082 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [721522188] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 19:00:38,083 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [746465072] [2022-11-20 19:00:38,084 INFO L159 IcfgInterpreter]: Started Sifa with 10 locations of interest [2022-11-20 19:00:38,085 INFO L166 IcfgInterpreter]: Building call graph [2022-11-20 19:00:38,085 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-20 19:00:38,085 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-20 19:00:38,085 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-20 19:00:38,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:38,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:38,133 INFO L321 Elim1Store]: treesize reduction 37, result has 32.7 percent of original size [2022-11-20 19:00:38,134 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 34 [2022-11-20 19:00:38,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:38,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:38,184 INFO L321 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2022-11-20 19:00:38,184 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 39 treesize of output 53 [2022-11-20 19:00:38,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:38,212 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 33 [2022-11-20 19:00:38,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:38,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:38,295 INFO L321 Elim1Store]: treesize reduction 49, result has 12.5 percent of original size [2022-11-20 19:00:38,296 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 258 treesize of output 246 [2022-11-20 19:00:38,350 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-20 19:00:38,384 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:00:38,393 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-20 19:00:38,394 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 39 treesize of output 29 [2022-11-20 19:00:38,422 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:00:38,431 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-20 19:00:38,431 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 25 treesize of output 25 [2022-11-20 19:00:38,625 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:00:38,635 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-20 19:00:38,635 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 25 treesize of output 25 [2022-11-20 19:00:38,641 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-20 19:00:39,432 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '1258#(and (< |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~i~0#1|) (= |ULTIMATE.start_main_#t~mem6#1| (select (select |#memory_int| |ULTIMATE.start_main_~#dst~0#1.base|) (+ |ULTIMATE.start_main_~#dst~0#1.offset| (* |ULTIMATE.start_main_~x~0#1| 4)))) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (= |ULTIMATE.start_main_#t~mem7#1| (select (select |#memory_int| |ULTIMATE.start_main_~#src~0#1.base|) (+ |ULTIMATE.start_main_~#src~0#1.offset| (* |ULTIMATE.start_main_~x~0#1| 4)))) (= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| (ite (= |ULTIMATE.start_main_#t~mem7#1| |ULTIMATE.start_main_#t~mem6#1|) 1 0)) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (or (and (= |ULTIMATE.start_main_~#dst~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#src~0#1.base|) (= |ULTIMATE.start_main_~#src~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#dst~0#1.base|) (<= 100000 |ULTIMATE.start_main_~j~0#1|) (= |#NULL.offset| 0) (= |ULTIMATE.start_main_~x~0#1| 0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0)) (and (= |ULTIMATE.start_main_~#dst~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#src~0#1.base|) (= |ULTIMATE.start_main_~#src~0#1.offset| 0) (<= 1 |ULTIMATE.start_main_~x~0#1|) (<= 0 |ULTIMATE.start_main_~#dst~0#1.base|) (<= 100000 |ULTIMATE.start_main_~j~0#1|) (= |#NULL.offset| 0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))))' at error location [2022-11-20 19:00:39,432 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-20 19:00:39,432 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 19:00:39,432 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 30 [2022-11-20 19:00:39,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039255150] [2022-11-20 19:00:39,433 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 19:00:39,433 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2022-11-20 19:00:39,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 19:00:39,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2022-11-20 19:00:39,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=490, Invalid=916, Unknown=0, NotChecked=0, Total=1406 [2022-11-20 19:00:39,435 INFO L87 Difference]: Start difference. First operand 29 states and 31 transitions. Second operand has 31 states, 31 states have (on average 1.3225806451612903) internal successors, (41), 30 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 19:00:39,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 19:00:39,513 INFO L93 Difference]: Finished difference Result 58 states and 76 transitions. [2022-11-20 19:00:39,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-20 19:00:39,518 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 1.3225806451612903) internal successors, (41), 30 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 28 [2022-11-20 19:00:39,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 19:00:39,519 INFO L225 Difference]: With dead ends: 58 [2022-11-20 19:00:39,519 INFO L226 Difference]: Without dead ends: 44 [2022-11-20 19:00:39,520 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 349 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=490, Invalid=916, Unknown=0, NotChecked=0, Total=1406 [2022-11-20 19:00:39,521 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 0 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 19:00:39,521 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 35 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 19:00:39,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2022-11-20 19:00:39,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2022-11-20 19:00:39,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 43 states have (on average 1.069767441860465) internal successors, (46), 43 states have internal predecessors, (46), 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 19:00:39,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 46 transitions. [2022-11-20 19:00:39,533 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 46 transitions. Word has length 28 [2022-11-20 19:00:39,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 19:00:39,533 INFO L495 AbstractCegarLoop]: Abstraction has 44 states and 46 transitions. [2022-11-20 19:00:39,533 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 1.3225806451612903) internal successors, (41), 30 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 19:00:39,534 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 46 transitions. [2022-11-20 19:00:39,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-11-20 19:00:39,535 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 19:00:39,535 INFO L195 NwaCegarLoop]: trace histogram [28, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 19:00:39,546 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc03cfb-c05b-441c-90ad-25a92112503d/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-11-20 19:00:39,741 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc03cfb-c05b-441c-90ad-25a92112503d/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 19:00:39,741 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 19:00:39,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 19:00:39,742 INFO L85 PathProgramCache]: Analyzing trace with hash 1122167751, now seen corresponding path program 4 times [2022-11-20 19:00:39,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 19:00:39,742 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647674978] [2022-11-20 19:00:39,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:00:39,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 19:00:39,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 19:00:40,658 INFO L134 CoverageAnalysis]: Checked inductivity of 414 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-20 19:00:40,659 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 19:00:40,659 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1647674978] [2022-11-20 19:00:40,659 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1647674978] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 19:00:40,659 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [841169132] [2022-11-20 19:00:40,659 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-11-20 19:00:40,659 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 19:00:40,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc03cfb-c05b-441c-90ad-25a92112503d/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 19:00:40,661 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc03cfb-c05b-441c-90ad-25a92112503d/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 19:00:40,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc03cfb-c05b-441c-90ad-25a92112503d/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-20 19:00:40,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 19:00:40,784 INFO L263 TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 30 conjunts are in the unsatisfiable core [2022-11-20 19:00:40,787 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 19:00:40,847 INFO L134 CoverageAnalysis]: Checked inductivity of 414 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-20 19:00:40,847 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 19:00:42,085 INFO L134 CoverageAnalysis]: Checked inductivity of 414 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-20 19:00:42,085 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [841169132] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 19:00:42,085 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1473677206] [2022-11-20 19:00:42,087 INFO L159 IcfgInterpreter]: Started Sifa with 10 locations of interest [2022-11-20 19:00:42,087 INFO L166 IcfgInterpreter]: Building call graph [2022-11-20 19:00:42,087 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-20 19:00:42,087 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-20 19:00:42,087 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-20 19:00:42,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:42,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:42,139 INFO L321 Elim1Store]: treesize reduction 37, result has 32.7 percent of original size [2022-11-20 19:00:42,139 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 34 [2022-11-20 19:00:42,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:42,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:42,195 INFO L321 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2022-11-20 19:00:42,196 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 39 treesize of output 53 [2022-11-20 19:00:42,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:42,225 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 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 19:00:42,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:42,295 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:00:42,322 INFO L321 Elim1Store]: treesize reduction 54, result has 28.0 percent of original size [2022-11-20 19:00:42,323 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 248 treesize of output 247 [2022-11-20 19:00:42,432 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-20 19:00:42,463 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-11-20 19:00:42,463 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 19 [2022-11-20 19:00:42,488 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:00:42,497 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-20 19:00:42,497 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 25 [2022-11-20 19:00:42,691 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:00:42,700 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-20 19:00:42,701 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 25 treesize of output 25 [2022-11-20 19:00:42,707 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-20 19:00:43,527 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '1753#(and (< |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~i~0#1|) (= |ULTIMATE.start_main_#t~mem6#1| (select (select |#memory_int| |ULTIMATE.start_main_~#dst~0#1.base|) (+ |ULTIMATE.start_main_~#dst~0#1.offset| (* |ULTIMATE.start_main_~x~0#1| 4)))) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (= |ULTIMATE.start_main_#t~mem7#1| (select (select |#memory_int| |ULTIMATE.start_main_~#src~0#1.base|) (+ |ULTIMATE.start_main_~#src~0#1.offset| (* |ULTIMATE.start_main_~x~0#1| 4)))) (= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| (ite (= |ULTIMATE.start_main_#t~mem7#1| |ULTIMATE.start_main_#t~mem6#1|) 1 0)) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (or (and (= |ULTIMATE.start_main_~#dst~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#src~0#1.base|) (= |ULTIMATE.start_main_~#src~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#dst~0#1.base|) (<= 100000 |ULTIMATE.start_main_~j~0#1|) (= |#NULL.offset| 0) (= |ULTIMATE.start_main_~x~0#1| 0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0)) (and (= |ULTIMATE.start_main_~#dst~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#src~0#1.base|) (= |ULTIMATE.start_main_~#src~0#1.offset| 0) (<= 1 |ULTIMATE.start_main_~x~0#1|) (<= 0 |ULTIMATE.start_main_~#dst~0#1.base|) (<= 100000 |ULTIMATE.start_main_~j~0#1|) (= |#NULL.offset| 0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))))' at error location [2022-11-20 19:00:43,528 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-20 19:00:43,528 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 19:00:43,528 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 30, 30] total 60 [2022-11-20 19:00:43,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1702435400] [2022-11-20 19:00:43,528 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 19:00:43,529 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 61 states [2022-11-20 19:00:43,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 19:00:43,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2022-11-20 19:00:43,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1855, Invalid=2701, Unknown=0, NotChecked=0, Total=4556 [2022-11-20 19:00:43,532 INFO L87 Difference]: Start difference. First operand 44 states and 46 transitions. Second operand has 61 states, 61 states have (on average 1.1639344262295082) internal successors, (71), 60 states have internal predecessors, (71), 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 19:00:43,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 19:00:43,678 INFO L93 Difference]: Finished difference Result 88 states and 121 transitions. [2022-11-20 19:00:43,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2022-11-20 19:00:43,679 INFO L78 Accepts]: Start accepts. Automaton has has 61 states, 61 states have (on average 1.1639344262295082) internal successors, (71), 60 states have internal predecessors, (71), 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 43 [2022-11-20 19:00:43,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 19:00:43,683 INFO L225 Difference]: With dead ends: 88 [2022-11-20 19:00:43,684 INFO L226 Difference]: Without dead ends: 74 [2022-11-20 19:00:43,685 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 724 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=1855, Invalid=2701, Unknown=0, NotChecked=0, Total=4556 [2022-11-20 19:00:43,688 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 0 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 19:00:43,688 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 35 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 19:00:43,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2022-11-20 19:00:43,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2022-11-20 19:00:43,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 73 states have (on average 1.0410958904109588) internal successors, (76), 73 states have internal predecessors, (76), 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 19:00:43,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 76 transitions. [2022-11-20 19:00:43,721 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 76 transitions. Word has length 43 [2022-11-20 19:00:43,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 19:00:43,721 INFO L495 AbstractCegarLoop]: Abstraction has 74 states and 76 transitions. [2022-11-20 19:00:43,722 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 61 states, 61 states have (on average 1.1639344262295082) internal successors, (71), 60 states have internal predecessors, (71), 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 19:00:43,722 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 76 transitions. [2022-11-20 19:00:43,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-11-20 19:00:43,726 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 19:00:43,726 INFO L195 NwaCegarLoop]: trace histogram [58, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 19:00:43,739 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc03cfb-c05b-441c-90ad-25a92112503d/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-20 19:00:43,937 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc03cfb-c05b-441c-90ad-25a92112503d/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 19:00:43,937 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 19:00:43,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 19:00:43,937 INFO L85 PathProgramCache]: Analyzing trace with hash -176371737, now seen corresponding path program 5 times [2022-11-20 19:00:43,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 19:00:43,938 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125336445] [2022-11-20 19:00:43,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:00:43,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 19:00:44,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 19:00:46,842 INFO L134 CoverageAnalysis]: Checked inductivity of 1719 backedges. 0 proven. 1711 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-20 19:00:46,843 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 19:00:46,843 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2125336445] [2022-11-20 19:00:46,843 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2125336445] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 19:00:46,843 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1688139951] [2022-11-20 19:00:46,844 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-20 19:00:46,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 19:00:46,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc03cfb-c05b-441c-90ad-25a92112503d/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 19:00:46,851 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc03cfb-c05b-441c-90ad-25a92112503d/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 19:00:46,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc03cfb-c05b-441c-90ad-25a92112503d/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-20 19:00:46,989 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-11-20 19:00:46,989 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 19:00:46,991 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 28 conjunts are in the unsatisfiable core [2022-11-20 19:00:47,002 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 19:00:47,009 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 10 treesize of output 8 [2022-11-20 19:00:47,420 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 19 treesize of output 19 [2022-11-20 19:00:47,671 INFO L134 CoverageAnalysis]: Checked inductivity of 1719 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 1711 trivial. 0 not checked. [2022-11-20 19:00:47,671 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 19:00:47,871 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 19:00:47,872 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 92 treesize of output 88 [2022-11-20 19:00:47,926 INFO L321 Elim1Store]: treesize reduction 20, result has 39.4 percent of original size [2022-11-20 19:00:47,927 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 63 treesize of output 47 [2022-11-20 19:00:47,938 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-20 19:00:47,938 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 29 treesize of output 1 [2022-11-20 19:00:47,956 INFO L321 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2022-11-20 19:00:47,957 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 38 treesize of output 1 [2022-11-20 19:00:47,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:47,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:47,963 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2022-11-20 19:00:47,972 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-20 19:00:47,973 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 24 treesize of output 1 [2022-11-20 19:00:47,978 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-20 19:00:47,978 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 51 treesize of output 1 [2022-11-20 19:00:47,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:47,983 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 14 [2022-11-20 19:00:47,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:48,147 INFO L134 CoverageAnalysis]: Checked inductivity of 1719 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 1711 trivial. 0 not checked. [2022-11-20 19:00:48,147 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1688139951] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 19:00:48,148 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [402469946] [2022-11-20 19:00:48,149 INFO L159 IcfgInterpreter]: Started Sifa with 10 locations of interest [2022-11-20 19:00:48,149 INFO L166 IcfgInterpreter]: Building call graph [2022-11-20 19:00:48,150 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-20 19:00:48,150 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-20 19:00:48,150 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-20 19:00:48,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:48,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:48,205 INFO L321 Elim1Store]: treesize reduction 37, result has 32.7 percent of original size [2022-11-20 19:00:48,205 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 34 [2022-11-20 19:00:48,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:48,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:48,264 INFO L321 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2022-11-20 19:00:48,265 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 39 treesize of output 53 [2022-11-20 19:00:48,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:48,298 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 33 [2022-11-20 19:00:48,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:48,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:48,391 INFO L321 Elim1Store]: treesize reduction 49, result has 12.5 percent of original size [2022-11-20 19:00:48,392 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 258 treesize of output 246 [2022-11-20 19:00:48,458 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-20 19:00:48,487 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:00:48,497 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-20 19:00:48,497 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 29 [2022-11-20 19:00:48,527 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:00:48,539 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-20 19:00:48,539 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 25 treesize of output 25 [2022-11-20 19:00:48,727 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:00:48,737 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-20 19:00:48,737 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 25 treesize of output 25 [2022-11-20 19:00:48,744 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-20 19:00:49,908 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '2560#(and (< |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~i~0#1|) (= |ULTIMATE.start_main_#t~mem6#1| (select (select |#memory_int| |ULTIMATE.start_main_~#dst~0#1.base|) (+ |ULTIMATE.start_main_~#dst~0#1.offset| (* |ULTIMATE.start_main_~x~0#1| 4)))) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (= |ULTIMATE.start_main_#t~mem7#1| (select (select |#memory_int| |ULTIMATE.start_main_~#src~0#1.base|) (+ |ULTIMATE.start_main_~#src~0#1.offset| (* |ULTIMATE.start_main_~x~0#1| 4)))) (= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| (ite (= |ULTIMATE.start_main_#t~mem7#1| |ULTIMATE.start_main_#t~mem6#1|) 1 0)) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (or (and (= |ULTIMATE.start_main_~#dst~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#src~0#1.base|) (= |ULTIMATE.start_main_~#src~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#dst~0#1.base|) (<= 100000 |ULTIMATE.start_main_~j~0#1|) (= |#NULL.offset| 0) (= |ULTIMATE.start_main_~x~0#1| 0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0)) (and (= |ULTIMATE.start_main_~#dst~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#src~0#1.base|) (= |ULTIMATE.start_main_~#src~0#1.offset| 0) (<= 1 |ULTIMATE.start_main_~x~0#1|) (<= 0 |ULTIMATE.start_main_~#dst~0#1.base|) (<= 100000 |ULTIMATE.start_main_~j~0#1|) (= |#NULL.offset| 0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))))' at error location [2022-11-20 19:00:49,908 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-20 19:00:49,909 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 19:00:49,909 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [60, 7, 7] total 72 [2022-11-20 19:00:49,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1010371682] [2022-11-20 19:00:49,909 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 19:00:49,910 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 73 states [2022-11-20 19:00:49,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 19:00:49,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 73 interpolants. [2022-11-20 19:00:49,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1890, Invalid=4430, Unknown=0, NotChecked=0, Total=6320 [2022-11-20 19:00:49,913 INFO L87 Difference]: Start difference. First operand 74 states and 76 transitions. Second operand has 73 states, 73 states have (on average 1.356164383561644) internal successors, (99), 72 states have internal predecessors, (99), 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 19:00:53,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 19:00:53,369 INFO L93 Difference]: Finished difference Result 94 states and 99 transitions. [2022-11-20 19:00:53,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2022-11-20 19:00:53,371 INFO L78 Accepts]: Start accepts. Automaton has has 73 states, 73 states have (on average 1.356164383561644) internal successors, (99), 72 states have internal predecessors, (99), 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 73 [2022-11-20 19:00:53,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 19:00:53,372 INFO L225 Difference]: With dead ends: 94 [2022-11-20 19:00:53,372 INFO L226 Difference]: Without dead ends: 80 [2022-11-20 19:00:53,377 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 341 GetRequests, 199 SyntacticMatches, 0 SemanticMatches, 142 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3526 ImplicationChecksByTransitivity, 6.2s TimeCoverageRelationStatistics Valid=5646, Invalid=14946, Unknown=0, NotChecked=0, Total=20592 [2022-11-20 19:00:53,377 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 21 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 226 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 232 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 226 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-20 19:00:53,378 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 53 Invalid, 232 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 226 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-20 19:00:53,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2022-11-20 19:00:53,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 78. [2022-11-20 19:00:53,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 77 states have (on average 1.0389610389610389) internal successors, (80), 77 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 19:00:53,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 80 transitions. [2022-11-20 19:00:53,393 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 80 transitions. Word has length 73 [2022-11-20 19:00:53,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 19:00:53,393 INFO L495 AbstractCegarLoop]: Abstraction has 78 states and 80 transitions. [2022-11-20 19:00:53,394 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 73 states, 73 states have (on average 1.356164383561644) internal successors, (99), 72 states have internal predecessors, (99), 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 19:00:53,394 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 80 transitions. [2022-11-20 19:00:53,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-11-20 19:00:53,395 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 19:00:53,395 INFO L195 NwaCegarLoop]: trace histogram [59, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2022-11-20 19:00:53,406 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc03cfb-c05b-441c-90ad-25a92112503d/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-11-20 19:00:53,600 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc03cfb-c05b-441c-90ad-25a92112503d/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-20 19:00:53,601 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 19:00:53,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 19:00:53,601 INFO L85 PathProgramCache]: Analyzing trace with hash -2105543894, now seen corresponding path program 6 times [2022-11-20 19:00:53,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 19:00:53,601 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [122498403] [2022-11-20 19:00:53,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:00:53,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 19:00:53,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 19:00:56,545 INFO L134 CoverageAnalysis]: Checked inductivity of 1783 backedges. 0 proven. 1770 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-20 19:00:56,546 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 19:00:56,546 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [122498403] [2022-11-20 19:00:56,546 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [122498403] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 19:00:56,546 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1306925687] [2022-11-20 19:00:56,546 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-20 19:00:56,547 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 19:00:56,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc03cfb-c05b-441c-90ad-25a92112503d/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 19:00:56,548 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc03cfb-c05b-441c-90ad-25a92112503d/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 19:00:56,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc03cfb-c05b-441c-90ad-25a92112503d/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-11-20 19:00:56,781 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-20 19:00:56,781 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 19:00:56,784 INFO L263 TraceCheckSpWp]: Trace formula consists of 640 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-20 19:00:56,787 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 19:00:57,114 INFO L134 CoverageAnalysis]: Checked inductivity of 1783 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 1770 trivial. 0 not checked. [2022-11-20 19:00:57,114 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 19:00:57,424 INFO L134 CoverageAnalysis]: Checked inductivity of 1783 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 1770 trivial. 0 not checked. [2022-11-20 19:00:57,425 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1306925687] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 19:00:57,425 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1059316781] [2022-11-20 19:00:57,429 INFO L159 IcfgInterpreter]: Started Sifa with 10 locations of interest [2022-11-20 19:00:57,430 INFO L166 IcfgInterpreter]: Building call graph [2022-11-20 19:00:57,432 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-20 19:00:57,433 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-20 19:00:57,434 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-20 19:00:57,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:57,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:57,488 INFO L321 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2022-11-20 19:00:57,489 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 39 treesize of output 53 [2022-11-20 19:00:57,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:57,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:57,501 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 8 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 27 [2022-11-20 19:00:57,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:57,525 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 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 19:00:57,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:57,585 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:00:57,609 INFO L321 Elim1Store]: treesize reduction 54, result has 28.0 percent of original size [2022-11-20 19:00:57,609 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 248 treesize of output 247 [2022-11-20 19:00:57,709 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-20 19:00:57,742 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-11-20 19:00:57,742 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 24 treesize of output 19 [2022-11-20 19:00:57,768 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:00:57,778 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-20 19:00:57,778 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 25 treesize of output 25 [2022-11-20 19:00:57,990 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:00:57,999 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-20 19:00:58,000 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 25 treesize of output 25 [2022-11-20 19:00:58,006 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-20 19:00:59,045 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '3532#(and (< |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~i~0#1|) (= |ULTIMATE.start_main_#t~mem6#1| (select (select |#memory_int| |ULTIMATE.start_main_~#dst~0#1.base|) (+ |ULTIMATE.start_main_~#dst~0#1.offset| (* |ULTIMATE.start_main_~x~0#1| 4)))) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (= |ULTIMATE.start_main_#t~mem7#1| (select (select |#memory_int| |ULTIMATE.start_main_~#src~0#1.base|) (+ |ULTIMATE.start_main_~#src~0#1.offset| (* |ULTIMATE.start_main_~x~0#1| 4)))) (= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| (ite (= |ULTIMATE.start_main_#t~mem7#1| |ULTIMATE.start_main_#t~mem6#1|) 1 0)) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (or (and (= |ULTIMATE.start_main_~#dst~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#src~0#1.base|) (= |ULTIMATE.start_main_~#src~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#dst~0#1.base|) (<= 100000 |ULTIMATE.start_main_~j~0#1|) (= |#NULL.offset| 0) (= |ULTIMATE.start_main_~x~0#1| 0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0)) (and (= |ULTIMATE.start_main_~#dst~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#src~0#1.base|) (= |ULTIMATE.start_main_~#src~0#1.offset| 0) (<= 1 |ULTIMATE.start_main_~x~0#1|) (<= 0 |ULTIMATE.start_main_~#dst~0#1.base|) (<= 100000 |ULTIMATE.start_main_~j~0#1|) (= |#NULL.offset| 0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))))' at error location [2022-11-20 19:00:59,045 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-20 19:00:59,045 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 19:00:59,046 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [61, 7, 7] total 70 [2022-11-20 19:00:59,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1108815883] [2022-11-20 19:00:59,046 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 19:00:59,046 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 71 states [2022-11-20 19:00:59,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 19:00:59,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 71 interpolants. [2022-11-20 19:00:59,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1955, Invalid=4051, Unknown=0, NotChecked=0, Total=6006 [2022-11-20 19:00:59,049 INFO L87 Difference]: Start difference. First operand 78 states and 80 transitions. Second operand has 71 states, 71 states have (on average 1.3380281690140845) internal successors, (95), 70 states have internal predecessors, (95), 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 19:01:01,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 19:01:01,417 INFO L93 Difference]: Finished difference Result 106 states and 111 transitions. [2022-11-20 19:01:01,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2022-11-20 19:01:01,418 INFO L78 Accepts]: Start accepts. Automaton has has 71 states, 71 states have (on average 1.3380281690140845) internal successors, (95), 70 states have internal predecessors, (95), 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 77 [2022-11-20 19:01:01,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 19:01:01,419 INFO L225 Difference]: With dead ends: 106 [2022-11-20 19:01:01,419 INFO L226 Difference]: Without dead ends: 81 [2022-11-20 19:01:01,424 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 350 GetRequests, 211 SyntacticMatches, 3 SemanticMatches, 136 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3286 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=5855, Invalid=13051, Unknown=0, NotChecked=0, Total=18906 [2022-11-20 19:01:01,425 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 127 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 19:01:01,425 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 43 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 19:01:01,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2022-11-20 19:01:01,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2022-11-20 19:01:01,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 80 states have (on average 1.0375) internal successors, (83), 80 states have internal predecessors, (83), 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 19:01:01,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 83 transitions. [2022-11-20 19:01:01,445 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 83 transitions. Word has length 77 [2022-11-20 19:01:01,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 19:01:01,445 INFO L495 AbstractCegarLoop]: Abstraction has 81 states and 83 transitions. [2022-11-20 19:01:01,446 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 71 states, 71 states have (on average 1.3380281690140845) internal successors, (95), 70 states have internal predecessors, (95), 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 19:01:01,446 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 83 transitions. [2022-11-20 19:01:01,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-11-20 19:01:01,447 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 19:01:01,447 INFO L195 NwaCegarLoop]: trace histogram [60, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1] [2022-11-20 19:01:01,455 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc03cfb-c05b-441c-90ad-25a92112503d/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2022-11-20 19:01:01,653 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc03cfb-c05b-441c-90ad-25a92112503d/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-11-20 19:01:01,653 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 19:01:01,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 19:01:01,654 INFO L85 PathProgramCache]: Analyzing trace with hash 716402483, now seen corresponding path program 7 times [2022-11-20 19:01:01,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 19:01:01,654 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1767065124] [2022-11-20 19:01:01,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:01:01,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 19:01:01,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 19:01:04,522 INFO L134 CoverageAnalysis]: Checked inductivity of 1849 backedges. 0 proven. 1830 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-11-20 19:01:04,522 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 19:01:04,523 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1767065124] [2022-11-20 19:01:04,523 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1767065124] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 19:01:04,523 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [821182677] [2022-11-20 19:01:04,523 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-11-20 19:01:04,523 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 19:01:04,524 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc03cfb-c05b-441c-90ad-25a92112503d/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 19:01:04,525 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc03cfb-c05b-441c-90ad-25a92112503d/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 19:01:04,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc03cfb-c05b-441c-90ad-25a92112503d/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-11-20 19:01:04,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 19:01:04,761 INFO L263 TraceCheckSpWp]: Trace formula consists of 658 conjuncts, 62 conjunts are in the unsatisfiable core [2022-11-20 19:01:04,765 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 19:01:04,898 INFO L134 CoverageAnalysis]: Checked inductivity of 1849 backedges. 0 proven. 1830 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-11-20 19:01:04,899 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 19:01:09,526 INFO L134 CoverageAnalysis]: Checked inductivity of 1849 backedges. 0 proven. 1830 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-11-20 19:01:09,526 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [821182677] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 19:01:09,526 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1643428349] [2022-11-20 19:01:09,528 INFO L159 IcfgInterpreter]: Started Sifa with 10 locations of interest [2022-11-20 19:01:09,528 INFO L166 IcfgInterpreter]: Building call graph [2022-11-20 19:01:09,528 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-20 19:01:09,528 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-20 19:01:09,529 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-20 19:01:09,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:01:09,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:01:09,583 INFO L321 Elim1Store]: treesize reduction 37, result has 32.7 percent of original size [2022-11-20 19:01:09,583 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 34 [2022-11-20 19:01:09,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:01:09,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:01:09,635 INFO L321 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2022-11-20 19:01:09,635 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 39 treesize of output 53 [2022-11-20 19:01:09,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:01:09,664 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 33 [2022-11-20 19:01:09,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:01:09,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:01:09,751 INFO L321 Elim1Store]: treesize reduction 49, result has 12.5 percent of original size [2022-11-20 19:01:09,752 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 258 treesize of output 246 [2022-11-20 19:01:09,807 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-20 19:01:09,849 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-11-20 19:01:09,849 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 24 treesize of output 19 [2022-11-20 19:01:09,875 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:01:09,884 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-20 19:01:09,885 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 25 treesize of output 25 [2022-11-20 19:01:10,070 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:01:10,080 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-20 19:01:10,080 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 25 treesize of output 25 [2022-11-20 19:01:10,085 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-20 19:01:11,171 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '4590#(and (< |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~i~0#1|) (= |ULTIMATE.start_main_#t~mem6#1| (select (select |#memory_int| |ULTIMATE.start_main_~#dst~0#1.base|) (+ |ULTIMATE.start_main_~#dst~0#1.offset| (* |ULTIMATE.start_main_~x~0#1| 4)))) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (= |ULTIMATE.start_main_#t~mem7#1| (select (select |#memory_int| |ULTIMATE.start_main_~#src~0#1.base|) (+ |ULTIMATE.start_main_~#src~0#1.offset| (* |ULTIMATE.start_main_~x~0#1| 4)))) (= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| (ite (= |ULTIMATE.start_main_#t~mem7#1| |ULTIMATE.start_main_#t~mem6#1|) 1 0)) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (or (and (= |ULTIMATE.start_main_~#dst~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#src~0#1.base|) (= |ULTIMATE.start_main_~#src~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#dst~0#1.base|) (<= 100000 |ULTIMATE.start_main_~j~0#1|) (= |#NULL.offset| 0) (= |ULTIMATE.start_main_~x~0#1| 0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0)) (and (= |ULTIMATE.start_main_~#dst~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#src~0#1.base|) (= |ULTIMATE.start_main_~#src~0#1.offset| 0) (<= 1 |ULTIMATE.start_main_~x~0#1|) (<= 0 |ULTIMATE.start_main_~#dst~0#1.base|) (<= 100000 |ULTIMATE.start_main_~j~0#1|) (= |#NULL.offset| 0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))))' at error location [2022-11-20 19:01:11,171 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-20 19:01:11,171 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 19:01:11,171 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [62, 62, 62] total 124 [2022-11-20 19:01:11,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [487806561] [2022-11-20 19:01:11,172 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 19:01:11,172 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 125 states [2022-11-20 19:01:11,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 19:01:11,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 125 interpolants. [2022-11-20 19:01:11,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7775, Invalid=9517, Unknown=0, NotChecked=0, Total=17292 [2022-11-20 19:01:11,176 INFO L87 Difference]: Start difference. First operand 81 states and 83 transitions. Second operand has 125 states, 125 states have (on average 1.08) internal successors, (135), 124 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 19:01:11,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 19:01:11,467 INFO L93 Difference]: Finished difference Result 162 states and 227 transitions. [2022-11-20 19:01:11,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2022-11-20 19:01:11,468 INFO L78 Accepts]: Start accepts. Automaton has has 125 states, 125 states have (on average 1.08) internal successors, (135), 124 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2022-11-20 19:01:11,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 19:01:11,470 INFO L225 Difference]: With dead ends: 162 [2022-11-20 19:01:11,470 INFO L226 Difference]: Without dead ends: 143 [2022-11-20 19:01:11,471 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 300 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 130 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1524 ImplicationChecksByTransitivity, 7.2s TimeCoverageRelationStatistics Valid=7775, Invalid=9517, Unknown=0, NotChecked=0, Total=17292 [2022-11-20 19:01:11,472 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 0 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 19:01:11,473 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 28 Invalid, 203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 19:01:11,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2022-11-20 19:01:11,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2022-11-20 19:01:11,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 142 states have (on average 1.0211267605633803) internal successors, (145), 142 states have internal predecessors, (145), 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 19:01:11,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 145 transitions. [2022-11-20 19:01:11,506 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 145 transitions. Word has length 80 [2022-11-20 19:01:11,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 19:01:11,506 INFO L495 AbstractCegarLoop]: Abstraction has 143 states and 145 transitions. [2022-11-20 19:01:11,506 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 125 states, 125 states have (on average 1.08) internal successors, (135), 124 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 19:01:11,507 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 145 transitions. [2022-11-20 19:01:11,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2022-11-20 19:01:11,508 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 19:01:11,508 INFO L195 NwaCegarLoop]: trace histogram [122, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1] [2022-11-20 19:01:11,519 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc03cfb-c05b-441c-90ad-25a92112503d/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-11-20 19:01:11,715 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc03cfb-c05b-441c-90ad-25a92112503d/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 19:01:11,715 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 19:01:11,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 19:01:11,716 INFO L85 PathProgramCache]: Analyzing trace with hash -582645485, now seen corresponding path program 8 times [2022-11-20 19:01:11,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 19:01:11,716 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1083471938] [2022-11-20 19:01:11,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:01:11,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 19:01:11,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 19:01:21,781 INFO L134 CoverageAnalysis]: Checked inductivity of 7522 backedges. 0 proven. 7503 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-11-20 19:01:21,781 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 19:01:21,781 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1083471938] [2022-11-20 19:01:21,781 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1083471938] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 19:01:21,781 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [218123899] [2022-11-20 19:01:21,781 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-20 19:01:21,782 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 19:01:21,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc03cfb-c05b-441c-90ad-25a92112503d/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 19:01:21,783 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc03cfb-c05b-441c-90ad-25a92112503d/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 19:01:21,785 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc03cfb-c05b-441c-90ad-25a92112503d/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-11-20 19:01:22,000 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2022-11-20 19:01:22,001 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 19:01:22,003 INFO L263 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 41 conjunts are in the unsatisfiable core [2022-11-20 19:01:22,007 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 19:01:22,019 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 10 treesize of output 8 [2022-11-20 19:01:23,267 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 19 treesize of output 19 [2022-11-20 19:01:24,034 INFO L134 CoverageAnalysis]: Checked inductivity of 7522 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 7503 trivial. 0 not checked. [2022-11-20 19:01:24,034 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 19:01:24,649 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 19:01:24,650 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 92 treesize of output 88 [2022-11-20 19:01:24,679 INFO L321 Elim1Store]: treesize reduction 10, result has 69.7 percent of original size [2022-11-20 19:01:24,680 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 94 treesize of output 88 [2022-11-20 19:01:24,732 INFO L321 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2022-11-20 19:01:24,733 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 24 treesize of output 20 [2022-11-20 19:01:26,795 INFO L134 CoverageAnalysis]: Checked inductivity of 7522 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 7503 trivial. 0 not checked. [2022-11-20 19:01:26,795 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [218123899] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 19:01:26,795 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [110032398] [2022-11-20 19:01:26,797 INFO L159 IcfgInterpreter]: Started Sifa with 10 locations of interest [2022-11-20 19:01:26,797 INFO L166 IcfgInterpreter]: Building call graph [2022-11-20 19:01:26,797 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-20 19:01:26,798 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-20 19:01:26,798 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-20 19:01:26,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:01:26,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:01:26,850 INFO L321 Elim1Store]: treesize reduction 37, result has 32.7 percent of original size [2022-11-20 19:01:26,851 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 34 [2022-11-20 19:01:26,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:01:26,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:01:26,902 INFO L321 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2022-11-20 19:01:26,902 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 39 treesize of output 53 [2022-11-20 19:01:26,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:01:26,925 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 33 [2022-11-20 19:01:26,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:01:26,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:01:27,001 INFO L321 Elim1Store]: treesize reduction 49, result has 12.5 percent of original size [2022-11-20 19:01:27,001 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 258 treesize of output 246 [2022-11-20 19:01:27,068 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-20 19:01:27,100 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-11-20 19:01:27,100 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 24 treesize of output 19 [2022-11-20 19:01:27,125 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:01:27,134 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-20 19:01:27,135 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 25 treesize of output 25 [2022-11-20 19:01:27,297 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:01:27,307 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-20 19:01:27,307 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 25 treesize of output 25 [2022-11-20 19:01:27,312 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-20 19:01:28,914 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '6158#(and (< |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~i~0#1|) (= |ULTIMATE.start_main_#t~mem6#1| (select (select |#memory_int| |ULTIMATE.start_main_~#dst~0#1.base|) (+ |ULTIMATE.start_main_~#dst~0#1.offset| (* |ULTIMATE.start_main_~x~0#1| 4)))) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (= |ULTIMATE.start_main_#t~mem7#1| (select (select |#memory_int| |ULTIMATE.start_main_~#src~0#1.base|) (+ |ULTIMATE.start_main_~#src~0#1.offset| (* |ULTIMATE.start_main_~x~0#1| 4)))) (= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| (ite (= |ULTIMATE.start_main_#t~mem7#1| |ULTIMATE.start_main_#t~mem6#1|) 1 0)) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (or (and (= |ULTIMATE.start_main_~#dst~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#src~0#1.base|) (= |ULTIMATE.start_main_~#src~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#dst~0#1.base|) (<= 100000 |ULTIMATE.start_main_~j~0#1|) (= |#NULL.offset| 0) (= |ULTIMATE.start_main_~x~0#1| 0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0)) (and (= |ULTIMATE.start_main_~#dst~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#src~0#1.base|) (= |ULTIMATE.start_main_~#src~0#1.offset| 0) (<= 1 |ULTIMATE.start_main_~x~0#1|) (<= 0 |ULTIMATE.start_main_~#dst~0#1.base|) (<= 100000 |ULTIMATE.start_main_~j~0#1|) (= |#NULL.offset| 0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))))' at error location [2022-11-20 19:01:28,915 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-20 19:01:28,915 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 19:01:28,915 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [124, 10, 10] total 142 [2022-11-20 19:01:28,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [825889993] [2022-11-20 19:01:28,915 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 19:01:28,916 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 143 states [2022-11-20 19:01:28,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 19:01:28,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 143 interpolants. [2022-11-20 19:01:28,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7854, Invalid=14496, Unknown=0, NotChecked=0, Total=22350 [2022-11-20 19:01:28,922 INFO L87 Difference]: Start difference. First operand 143 states and 145 transitions. Second operand has 143 states, 143 states have (on average 1.2097902097902098) internal successors, (173), 142 states have internal predecessors, (173), 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 19:01:41,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 19:01:41,797 INFO L93 Difference]: Finished difference Result 208 states and 219 transitions. [2022-11-20 19:01:41,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 155 states. [2022-11-20 19:01:41,798 INFO L78 Accepts]: Start accepts. Automaton has has 143 states, 143 states have (on average 1.2097902097902098) internal successors, (173), 142 states have internal predecessors, (173), 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 142 [2022-11-20 19:01:41,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 19:01:41,799 INFO L225 Difference]: With dead ends: 208 [2022-11-20 19:01:41,799 INFO L226 Difference]: Without dead ends: 189 [2022-11-20 19:01:41,804 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 691 GetRequests, 400 SyntacticMatches, 0 SemanticMatches, 291 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14563 ImplicationChecksByTransitivity, 21.5s TimeCoverageRelationStatistics Valid=24090, Invalid=61466, Unknown=0, NotChecked=0, Total=85556 [2022-11-20 19:01:41,805 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 314 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 502 mSolverCounterSat, 146 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 314 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 648 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 146 IncrementalHoareTripleChecker+Valid, 502 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-20 19:01:41,805 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [314 Valid, 155 Invalid, 648 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [146 Valid, 502 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-20 19:01:41,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2022-11-20 19:01:41,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 162. [2022-11-20 19:01:41,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 161 states have (on average 1.031055900621118) internal successors, (166), 161 states have internal predecessors, (166), 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 19:01:41,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 166 transitions. [2022-11-20 19:01:41,828 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 166 transitions. Word has length 142 [2022-11-20 19:01:41,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 19:01:41,828 INFO L495 AbstractCegarLoop]: Abstraction has 162 states and 166 transitions. [2022-11-20 19:01:41,829 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 143 states, 143 states have (on average 1.2097902097902098) internal successors, (173), 142 states have internal predecessors, (173), 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 19:01:41,829 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 166 transitions. [2022-11-20 19:01:41,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2022-11-20 19:01:41,830 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 19:01:41,830 INFO L195 NwaCegarLoop]: trace histogram [123, 6, 5, 3, 2, 2, 1, 1, 1, 1, 1, 1] [2022-11-20 19:01:41,835 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc03cfb-c05b-441c-90ad-25a92112503d/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-11-20 19:01:42,031 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc03cfb-c05b-441c-90ad-25a92112503d/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-11-20 19:01:42,031 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 19:01:42,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 19:01:42,032 INFO L85 PathProgramCache]: Analyzing trace with hash -1531451048, now seen corresponding path program 9 times [2022-11-20 19:01:42,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 19:01:42,032 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1644237803] [2022-11-20 19:01:42,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:01:42,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 19:01:42,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 19:01:51,630 INFO L134 CoverageAnalysis]: Checked inductivity of 7663 backedges. 0 proven. 7626 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2022-11-20 19:01:51,630 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 19:01:51,630 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1644237803] [2022-11-20 19:01:51,630 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1644237803] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 19:01:51,630 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1258300366] [2022-11-20 19:01:51,631 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-20 19:01:51,631 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 19:01:51,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc03cfb-c05b-441c-90ad-25a92112503d/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 19:01:51,632 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc03cfb-c05b-441c-90ad-25a92112503d/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 19:01:51,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc03cfb-c05b-441c-90ad-25a92112503d/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-11-20 19:01:52,025 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-20 19:01:52,025 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 19:01:52,032 INFO L263 TraceCheckSpWp]: Trace formula consists of 1243 conjuncts, 125 conjunts are in the unsatisfiable core [2022-11-20 19:01:52,037 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 19:01:52,275 INFO L134 CoverageAnalysis]: Checked inductivity of 7663 backedges. 0 proven. 7626 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2022-11-20 19:01:52,275 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 19:02:10,645 INFO L134 CoverageAnalysis]: Checked inductivity of 7663 backedges. 0 proven. 7626 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2022-11-20 19:02:10,645 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1258300366] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 19:02:10,645 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [811850288] [2022-11-20 19:02:10,647 INFO L159 IcfgInterpreter]: Started Sifa with 10 locations of interest [2022-11-20 19:02:10,647 INFO L166 IcfgInterpreter]: Building call graph [2022-11-20 19:02:10,647 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-20 19:02:10,648 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-20 19:02:10,648 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-20 19:02:10,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:02:10,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:02:10,704 INFO L321 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2022-11-20 19:02:10,704 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 39 treesize of output 53 [2022-11-20 19:02:10,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:02:10,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:02:10,719 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 8 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 27 [2022-11-20 19:02:10,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:02:10,737 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 33 [2022-11-20 19:02:10,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:02:10,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:02:10,806 INFO L321 Elim1Store]: treesize reduction 49, result has 12.5 percent of original size [2022-11-20 19:02:10,806 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 258 treesize of output 246 [2022-11-20 19:02:10,923 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-20 19:02:10,952 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:02:10,962 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-20 19:02:10,963 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 39 treesize of output 29 [2022-11-20 19:02:10,988 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:02:10,997 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-20 19:02:10,998 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 25 [2022-11-20 19:02:11,162 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:02:11,171 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-20 19:02:11,172 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 25 treesize of output 25 [2022-11-20 19:02:11,177 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-20 19:02:12,689 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '8238#(and (< |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~i~0#1|) (= |ULTIMATE.start_main_#t~mem6#1| (select (select |#memory_int| |ULTIMATE.start_main_~#dst~0#1.base|) (+ |ULTIMATE.start_main_~#dst~0#1.offset| (* |ULTIMATE.start_main_~x~0#1| 4)))) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (= |ULTIMATE.start_main_#t~mem7#1| (select (select |#memory_int| |ULTIMATE.start_main_~#src~0#1.base|) (+ |ULTIMATE.start_main_~#src~0#1.offset| (* |ULTIMATE.start_main_~x~0#1| 4)))) (= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| (ite (= |ULTIMATE.start_main_#t~mem7#1| |ULTIMATE.start_main_#t~mem6#1|) 1 0)) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (or (and (= |ULTIMATE.start_main_~#dst~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#src~0#1.base|) (= |ULTIMATE.start_main_~#src~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#dst~0#1.base|) (<= 100000 |ULTIMATE.start_main_~j~0#1|) (= |#NULL.offset| 0) (= |ULTIMATE.start_main_~x~0#1| 0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0)) (and (= |ULTIMATE.start_main_~#dst~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#src~0#1.base|) (= |ULTIMATE.start_main_~#src~0#1.offset| 0) (<= 1 |ULTIMATE.start_main_~x~0#1|) (<= 0 |ULTIMATE.start_main_~#dst~0#1.base|) (<= 100000 |ULTIMATE.start_main_~j~0#1|) (= |#NULL.offset| 0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))))' at error location [2022-11-20 19:02:12,690 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-20 19:02:12,690 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 19:02:12,690 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [125, 125, 125] total 250 [2022-11-20 19:02:12,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353278794] [2022-11-20 19:02:12,690 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 19:02:12,691 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 251 states [2022-11-20 19:02:12,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 19:02:12,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 251 interpolants. [2022-11-20 19:02:12,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31400, Invalid=34906, Unknown=0, NotChecked=0, Total=66306 [2022-11-20 19:02:12,698 INFO L87 Difference]: Start difference. First operand 162 states and 166 transitions. Second operand has 251 states, 251 states have (on average 1.0398406374501992) internal successors, (261), 250 states have internal predecessors, (261), 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 19:02:13,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 19:02:13,793 INFO L93 Difference]: Finished difference Result 324 states and 456 transitions. [2022-11-20 19:02:13,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 250 states. [2022-11-20 19:02:13,794 INFO L78 Accepts]: Start accepts. Automaton has has 251 states, 251 states have (on average 1.0398406374501992) internal successors, (261), 250 states have internal predecessors, (261), 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 147 [2022-11-20 19:02:13,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 19:02:13,796 INFO L225 Difference]: With dead ends: 324 [2022-11-20 19:02:13,797 INFO L226 Difference]: Without dead ends: 287 [2022-11-20 19:02:13,801 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 564 GetRequests, 308 SyntacticMatches, 0 SemanticMatches, 256 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3099 ImplicationChecksByTransitivity, 25.8s TimeCoverageRelationStatistics Valid=31400, Invalid=34906, Unknown=0, NotChecked=0, Total=66306 [2022-11-20 19:02:13,806 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 0 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 262 mSolverCounterSat, 128 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 390 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 128 IncrementalHoareTripleChecker+Valid, 262 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-20 19:02:13,806 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 28 Invalid, 390 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [128 Valid, 262 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-20 19:02:13,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2022-11-20 19:02:13,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 287. [2022-11-20 19:02:13,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 286 states have (on average 1.0174825174825175) internal successors, (291), 286 states have internal predecessors, (291), 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 19:02:13,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 291 transitions. [2022-11-20 19:02:13,873 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 291 transitions. Word has length 147 [2022-11-20 19:02:13,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 19:02:13,873 INFO L495 AbstractCegarLoop]: Abstraction has 287 states and 291 transitions. [2022-11-20 19:02:13,874 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 251 states, 251 states have (on average 1.0398406374501992) internal successors, (261), 250 states have internal predecessors, (261), 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 19:02:13,874 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 291 transitions. [2022-11-20 19:02:13,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2022-11-20 19:02:13,877 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 19:02:13,877 INFO L195 NwaCegarLoop]: trace histogram [248, 6, 5, 3, 2, 2, 1, 1, 1, 1, 1, 1] [2022-11-20 19:02:13,887 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc03cfb-c05b-441c-90ad-25a92112503d/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-11-20 19:02:14,083 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc03cfb-c05b-441c-90ad-25a92112503d/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-11-20 19:02:14,083 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 19:02:14,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 19:02:14,083 INFO L85 PathProgramCache]: Analyzing trace with hash -924104089, now seen corresponding path program 10 times [2022-11-20 19:02:14,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 19:02:14,084 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [207590796] [2022-11-20 19:02:14,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:02:14,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 19:02:14,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 19:02:51,216 INFO L134 CoverageAnalysis]: Checked inductivity of 30913 backedges. 0 proven. 30876 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2022-11-20 19:02:51,217 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 19:02:51,217 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [207590796] [2022-11-20 19:02:51,217 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [207590796] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 19:02:51,217 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [370524915] [2022-11-20 19:02:51,217 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-11-20 19:02:51,217 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 19:02:51,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc03cfb-c05b-441c-90ad-25a92112503d/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 19:02:51,218 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc03cfb-c05b-441c-90ad-25a92112503d/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 19:02:51,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc03cfb-c05b-441c-90ad-25a92112503d/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-11-20 19:02:51,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 19:02:51,906 INFO L263 TraceCheckSpWp]: Trace formula consists of 2368 conjuncts, 250 conjunts are in the unsatisfiable core [2022-11-20 19:02:51,916 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 19:02:52,380 INFO L134 CoverageAnalysis]: Checked inductivity of 30913 backedges. 0 proven. 30876 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2022-11-20 19:02:52,380 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 19:04:08,702 INFO L134 CoverageAnalysis]: Checked inductivity of 30913 backedges. 0 proven. 30876 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2022-11-20 19:04:08,702 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [370524915] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 19:04:08,703 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [576605572] [2022-11-20 19:04:08,706 INFO L159 IcfgInterpreter]: Started Sifa with 10 locations of interest [2022-11-20 19:04:08,707 INFO L166 IcfgInterpreter]: Building call graph [2022-11-20 19:04:08,707 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-20 19:04:08,707 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-20 19:04:08,707 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-20 19:04:08,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:04:08,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:04:08,768 INFO L321 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2022-11-20 19:04:08,768 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 39 treesize of output 53 [2022-11-20 19:04:08,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:04:08,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:04:08,782 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 8 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 27 [2022-11-20 19:04:08,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:04:08,809 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 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 19:04:08,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:04:08,867 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:04:08,891 INFO L321 Elim1Store]: treesize reduction 54, result has 28.0 percent of original size [2022-11-20 19:04:08,891 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 248 treesize of output 247 [2022-11-20 19:04:08,979 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-20 19:04:09,014 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-11-20 19:04:09,014 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 24 treesize of output 19 [2022-11-20 19:04:09,045 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:04:09,055 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-20 19:04:09,055 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 25 [2022-11-20 19:04:09,222 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:04:09,232 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-20 19:04:09,232 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 25 [2022-11-20 19:04:09,238 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-20 19:04:11,654 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '11520#(and (< |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~i~0#1|) (= |ULTIMATE.start_main_#t~mem6#1| (select (select |#memory_int| |ULTIMATE.start_main_~#dst~0#1.base|) (+ |ULTIMATE.start_main_~#dst~0#1.offset| (* |ULTIMATE.start_main_~x~0#1| 4)))) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (= |ULTIMATE.start_main_#t~mem7#1| (select (select |#memory_int| |ULTIMATE.start_main_~#src~0#1.base|) (+ |ULTIMATE.start_main_~#src~0#1.offset| (* |ULTIMATE.start_main_~x~0#1| 4)))) (= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| (ite (= |ULTIMATE.start_main_#t~mem7#1| |ULTIMATE.start_main_#t~mem6#1|) 1 0)) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (or (and (= |ULTIMATE.start_main_~#dst~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#src~0#1.base|) (= |ULTIMATE.start_main_~#src~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#dst~0#1.base|) (<= 100000 |ULTIMATE.start_main_~j~0#1|) (= |#NULL.offset| 0) (= |ULTIMATE.start_main_~x~0#1| 0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0)) (and (= |ULTIMATE.start_main_~#dst~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#src~0#1.base|) (= |ULTIMATE.start_main_~#src~0#1.offset| 0) (<= 1 |ULTIMATE.start_main_~x~0#1|) (<= 0 |ULTIMATE.start_main_~#dst~0#1.base|) (<= 100000 |ULTIMATE.start_main_~j~0#1|) (= |#NULL.offset| 0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))))' at error location [2022-11-20 19:04:11,654 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-20 19:04:11,654 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 19:04:11,655 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [250, 250, 250] total 500 [2022-11-20 19:04:11,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455707338] [2022-11-20 19:04:11,655 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 19:04:11,658 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 501 states [2022-11-20 19:04:11,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 19:04:11,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 501 interpolants. [2022-11-20 19:04:11,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=125275, Invalid=132281, Unknown=0, NotChecked=0, Total=257556 [2022-11-20 19:04:11,687 INFO L87 Difference]: Start difference. First operand 287 states and 291 transitions. Second operand has 501 states, 501 states have (on average 1.0199600798403194) internal successors, (511), 500 states have internal predecessors, (511), 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 19:04:16,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 19:04:16,692 INFO L93 Difference]: Finished difference Result 574 states and 831 transitions. [2022-11-20 19:04:16,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 500 states. [2022-11-20 19:04:16,693 INFO L78 Accepts]: Start accepts. Automaton has has 501 states, 501 states have (on average 1.0199600798403194) internal successors, (511), 500 states have internal predecessors, (511), 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 272 [2022-11-20 19:04:16,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 19:04:16,695 INFO L225 Difference]: With dead ends: 574 [2022-11-20 19:04:16,695 INFO L226 Difference]: Without dead ends: 537 [2022-11-20 19:04:16,709 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1064 GetRequests, 558 SyntacticMatches, 0 SemanticMatches, 506 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6224 ImplicationChecksByTransitivity, 103.4s TimeCoverageRelationStatistics Valid=125275, Invalid=132281, Unknown=0, NotChecked=0, Total=257556 [2022-11-20 19:04:16,710 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 0 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 516 mSolverCounterSat, 255 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 771 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 255 IncrementalHoareTripleChecker+Valid, 516 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-20 19:04:16,710 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 35 Invalid, 771 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [255 Valid, 516 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-20 19:04:16,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 537 states. [2022-11-20 19:04:16,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 537 to 537. [2022-11-20 19:04:16,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 537 states, 536 states have (on average 1.0093283582089552) internal successors, (541), 536 states have internal predecessors, (541), 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 19:04:16,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 537 states and 541 transitions. [2022-11-20 19:04:16,786 INFO L78 Accepts]: Start accepts. Automaton has 537 states and 541 transitions. Word has length 272 [2022-11-20 19:04:16,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 19:04:16,787 INFO L495 AbstractCegarLoop]: Abstraction has 537 states and 541 transitions. [2022-11-20 19:04:16,787 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 501 states, 501 states have (on average 1.0199600798403194) internal successors, (511), 500 states have internal predecessors, (511), 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 19:04:16,788 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 541 transitions. [2022-11-20 19:04:16,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 523 [2022-11-20 19:04:16,801 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 19:04:16,801 INFO L195 NwaCegarLoop]: trace histogram [498, 6, 5, 3, 2, 2, 1, 1, 1, 1, 1, 1] [2022-11-20 19:04:16,812 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc03cfb-c05b-441c-90ad-25a92112503d/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2022-11-20 19:04:17,012 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc03cfb-c05b-441c-90ad-25a92112503d/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 19:04:17,012 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 19:04:17,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 19:04:17,013 INFO L85 PathProgramCache]: Analyzing trace with hash 915031047, now seen corresponding path program 11 times [2022-11-20 19:04:17,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 19:04:17,013 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1115625079] [2022-11-20 19:04:17,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:04:17,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 19:04:18,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 19:06:59,777 INFO L134 CoverageAnalysis]: Checked inductivity of 124288 backedges. 0 proven. 124251 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2022-11-20 19:06:59,777 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 19:06:59,777 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1115625079] [2022-11-20 19:06:59,777 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1115625079] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 19:06:59,777 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [780080744] [2022-11-20 19:06:59,777 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-20 19:06:59,777 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 19:06:59,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc03cfb-c05b-441c-90ad-25a92112503d/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 19:06:59,781 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc03cfb-c05b-441c-90ad-25a92112503d/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 19:06:59,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc03cfb-c05b-441c-90ad-25a92112503d/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-11-20 19:07:00,487 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2022-11-20 19:07:00,487 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 19:07:00,491 INFO L263 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 43 conjunts are in the unsatisfiable core [2022-11-20 19:07:00,506 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 19:07:00,515 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 18 treesize of output 16 [2022-11-20 19:07:07,185 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 19 treesize of output 19 [2022-11-20 19:07:07,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:07,545 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 31 treesize of output 33 [2022-11-20 19:07:07,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:07,933 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 31 treesize of output 33 [2022-11-20 19:07:09,969 INFO L134 CoverageAnalysis]: Checked inductivity of 124288 backedges. 2 proven. 35 refuted. 0 times theorem prover too weak. 124251 trivial. 0 not checked. [2022-11-20 19:07:09,969 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 19:07:13,103 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 19:07:13,103 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 1086 treesize of output 1022 [2022-11-20 19:07:30,301 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-20 19:07:30,302 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 147 treesize of output 113 [2022-11-20 19:07:30,310 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 348 treesize of output 336 [2022-11-20 19:07:30,526 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-20 19:07:30,527 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 107 treesize of output 1 [2022-11-20 19:07:30,556 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-20 19:07:30,557 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 147 treesize of output 1 [2022-11-20 19:07:30,572 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-20 19:07:30,573 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 107 treesize of output 1 [2022-11-20 19:07:30,589 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-20 19:07:30,589 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 107 treesize of output 1 [2022-11-20 19:07:30,602 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-20 19:07:30,602 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 107 treesize of output 1 [2022-11-20 19:07:30,635 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-20 19:07:30,635 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 107 treesize of output 1 [2022-11-20 19:07:30,655 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-20 19:07:30,655 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 107 treesize of output 1 [2022-11-20 19:07:30,675 INFO L321 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2022-11-20 19:07:30,676 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 73 treesize of output 62 [2022-11-20 19:07:30,682 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:30,689 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 54 treesize of output 50 [2022-11-20 19:07:30,742 INFO L321 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2022-11-20 19:07:30,743 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 73 treesize of output 62 [2022-11-20 19:07:30,748 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:30,755 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 54 treesize of output 50 [2022-11-20 19:07:30,806 INFO L321 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2022-11-20 19:07:30,806 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 38 treesize of output 34 [2022-11-20 19:07:30,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:30,821 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 85 [2022-11-20 19:07:30,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:30,827 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:30,828 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:30,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:30,838 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 57 [2022-11-20 19:07:30,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:30,843 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:30,844 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:30,867 INFO L321 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2022-11-20 19:07:30,867 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 73 treesize of output 62 [2022-11-20 19:07:30,877 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:30,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:30,880 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:30,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:30,890 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2022-11-20 19:07:30,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:30,897 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:30,897 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:30,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:30,909 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 85 [2022-11-20 19:07:30,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:30,920 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:30,920 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:30,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:30,931 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 147 treesize of output 85 [2022-11-20 19:07:30,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:30,938 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:30,939 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:30,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:30,950 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 85 [2022-11-20 19:07:30,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:30,957 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:30,957 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:30,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:30,976 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 57 [2022-11-20 19:07:30,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:30,982 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:30,982 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:30,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:30,993 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 85 [2022-11-20 19:07:30,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:30,999 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:31,000 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:31,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:31,032 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 57 [2022-11-20 19:07:31,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:31,039 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:31,039 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:31,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:31,057 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 28 [2022-11-20 19:07:31,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:31,063 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:31,064 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:31,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:31,075 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 147 treesize of output 85 [2022-11-20 19:07:31,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:31,082 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:31,083 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:31,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:31,094 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 28 [2022-11-20 19:07:31,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:31,100 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:31,101 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:31,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:31,111 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2022-11-20 19:07:31,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:31,117 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:31,118 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:31,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:31,134 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2022-11-20 19:07:31,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:31,141 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:31,142 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:31,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:31,154 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 57 [2022-11-20 19:07:31,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:31,162 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:31,163 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:31,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:31,181 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 57 [2022-11-20 19:07:31,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:31,188 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:31,189 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:31,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:31,200 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2022-11-20 19:07:31,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:31,207 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:31,207 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:31,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:31,220 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 57 [2022-11-20 19:07:31,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:31,226 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:31,227 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:31,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:31,246 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 57 [2022-11-20 19:07:31,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:31,252 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:31,253 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:31,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:31,265 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 147 treesize of output 85 [2022-11-20 19:07:31,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:31,272 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:31,273 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:31,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:31,285 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 85 [2022-11-20 19:07:31,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:31,292 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:31,292 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:31,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:31,306 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 85 [2022-11-20 19:07:31,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:31,313 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:31,314 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:31,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:31,331 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 57 [2022-11-20 19:07:31,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:31,338 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:31,339 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:31,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:31,351 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 57 [2022-11-20 19:07:31,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:31,359 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:31,359 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:31,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:31,371 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 57 [2022-11-20 19:07:31,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:31,378 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:31,378 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:31,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:31,397 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 57 [2022-11-20 19:07:31,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:31,404 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:31,405 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:31,423 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-20 19:07:31,424 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 147 treesize of output 1 [2022-11-20 19:07:31,443 INFO L321 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2022-11-20 19:07:31,444 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 73 treesize of output 62 [2022-11-20 19:07:31,450 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:31,457 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 50 treesize of output 46 [2022-11-20 19:07:31,497 INFO L321 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2022-11-20 19:07:31,498 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 38 treesize of output 34 [2022-11-20 19:07:31,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:31,513 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 85 [2022-11-20 19:07:31,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:31,519 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:31,519 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:31,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:31,534 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 57 [2022-11-20 19:07:31,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:31,540 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:31,541 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:31,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:31,551 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2022-11-20 19:07:31,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:31,556 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:31,557 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:31,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:31,567 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 57 [2022-11-20 19:07:31,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:31,573 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:31,574 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:31,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:31,589 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2022-11-20 19:07:31,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:31,595 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:31,596 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:31,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:31,607 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 57 [2022-11-20 19:07:31,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:31,613 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:31,614 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:31,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:31,624 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 28 [2022-11-20 19:07:31,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:31,630 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:31,631 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:31,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:31,647 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 57 [2022-11-20 19:07:31,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:31,654 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:31,654 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:31,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:31,666 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 147 treesize of output 85 [2022-11-20 19:07:31,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:31,673 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:31,674 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:31,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:31,686 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 85 [2022-11-20 19:07:31,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:31,693 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:31,694 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:31,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:31,706 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 57 [2022-11-20 19:07:31,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:31,712 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:31,713 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:31,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:31,724 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 57 [2022-11-20 19:07:31,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:31,730 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:31,731 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:31,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:31,756 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 147 treesize of output 85 [2022-11-20 19:07:31,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:31,767 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:31,767 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:31,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:31,778 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 85 [2022-11-20 19:07:31,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:31,785 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:31,785 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:31,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:31,796 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 57 [2022-11-20 19:07:31,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:31,803 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:31,803 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:31,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:31,815 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 85 [2022-11-20 19:07:31,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:31,822 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:31,823 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:31,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:31,843 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 57 [2022-11-20 19:07:31,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:31,850 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:31,850 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:31,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:31,863 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 85 [2022-11-20 19:07:31,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:31,870 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:31,871 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:31,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:31,882 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 57 [2022-11-20 19:07:31,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:31,889 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:31,890 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:31,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:31,900 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2022-11-20 19:07:31,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:31,907 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:31,907 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:31,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:31,923 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 57 [2022-11-20 19:07:31,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:31,930 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:31,930 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:31,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:31,947 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2022-11-20 19:07:31,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:31,953 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:31,954 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:31,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:31,972 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 57 [2022-11-20 19:07:31,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:31,979 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:31,980 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:31,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:31,993 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2022-11-20 19:07:31,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:32,000 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:32,000 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:32,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:32,018 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2022-11-20 19:07:32,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:32,025 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:32,026 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:32,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:32,038 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 28 [2022-11-20 19:07:32,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:32,049 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:32,049 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:32,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:32,061 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 57 [2022-11-20 19:07:32,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:32,070 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:32,070 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:32,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:32,093 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 57 [2022-11-20 19:07:32,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:32,100 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:32,101 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:32,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:32,113 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 147 treesize of output 85 [2022-11-20 19:07:32,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:32,121 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:32,121 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:32,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:32,134 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 85 [2022-11-20 19:07:32,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:32,142 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:32,143 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:32,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:32,158 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 85 [2022-11-20 19:07:32,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:32,166 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:32,167 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:32,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:32,198 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 57 [2022-11-20 19:07:32,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:32,205 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:32,205 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:32,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:32,217 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 57 [2022-11-20 19:07:32,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:32,225 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:32,225 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:32,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:32,241 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2022-11-20 19:07:32,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:32,247 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:32,248 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:32,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:32,260 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 85 [2022-11-20 19:07:32,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:32,266 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:32,267 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:32,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:32,278 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 57 [2022-11-20 19:07:32,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:32,303 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:32,304 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:32,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:32,320 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 147 treesize of output 85 [2022-11-20 19:07:32,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:32,327 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:32,327 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:32,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:32,339 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 57 [2022-11-20 19:07:32,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:32,345 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:32,346 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:32,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:32,357 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2022-11-20 19:07:32,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:32,364 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:32,364 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:32,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:32,376 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 85 [2022-11-20 19:07:32,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:32,383 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:32,383 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:32,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:32,400 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 85 [2022-11-20 19:07:32,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:32,407 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:32,408 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:32,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:32,420 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 57 [2022-11-20 19:07:32,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:32,427 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:32,428 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:32,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:32,446 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 57 [2022-11-20 19:07:32,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:32,453 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:32,454 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:32,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:32,466 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 147 treesize of output 85 [2022-11-20 19:07:32,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:32,473 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:32,474 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:32,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:32,487 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 85 [2022-11-20 19:07:32,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:32,495 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:32,496 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:32,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:32,509 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 57 [2022-11-20 19:07:32,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:32,516 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:32,517 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:32,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:32,530 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 57 [2022-11-20 19:07:32,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:32,537 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:32,538 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:32,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:32,566 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 57 [2022-11-20 19:07:32,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:32,574 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:32,574 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:32,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:32,588 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 147 treesize of output 85 [2022-11-20 19:07:32,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:32,596 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:32,597 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:32,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:32,610 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2022-11-20 19:07:32,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:32,617 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:32,618 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:32,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:32,630 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 57 [2022-11-20 19:07:32,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:32,638 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:32,638 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:32,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:32,651 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 28 [2022-11-20 19:07:32,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:32,658 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:32,659 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:32,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:32,670 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 147 treesize of output 85 [2022-11-20 19:07:32,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:32,678 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:32,679 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:32,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:32,695 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 57 [2022-11-20 19:07:32,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:32,702 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:32,702 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:32,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:32,715 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2022-11-20 19:07:32,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:32,722 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:32,723 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:32,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:32,736 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 57 [2022-11-20 19:07:32,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:32,743 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:32,744 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:32,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:32,766 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 147 treesize of output 85 [2022-11-20 19:07:32,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:32,773 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:32,774 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:32,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:32,789 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 85 [2022-11-20 19:07:32,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:32,796 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:32,797 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:32,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:32,809 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 57 [2022-11-20 19:07:32,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:32,816 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:32,817 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:32,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:32,835 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 57 [2022-11-20 19:07:32,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:32,842 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:32,842 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:32,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:32,854 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 147 treesize of output 85 [2022-11-20 19:07:32,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:32,861 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:32,862 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:32,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:32,874 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 57 [2022-11-20 19:07:32,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:32,881 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:32,882 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:32,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:32,894 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 147 treesize of output 85 [2022-11-20 19:07:32,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:32,902 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:32,902 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:32,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:32,914 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 85 [2022-11-20 19:07:32,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:32,923 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:32,923 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:32,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:32,942 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 85 [2022-11-20 19:07:32,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:32,950 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:32,951 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:32,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:32,963 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 57 [2022-11-20 19:07:32,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:32,970 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:32,970 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:32,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:32,989 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 57 [2022-11-20 19:07:32,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:32,997 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:32,997 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:33,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:33,011 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 147 treesize of output 85 [2022-11-20 19:07:33,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:33,018 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:33,019 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:33,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:33,049 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 85 [2022-11-20 19:07:33,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:33,057 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:33,058 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:33,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:33,071 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 57 [2022-11-20 19:07:33,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:33,078 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:33,079 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:33,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:33,091 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 57 [2022-11-20 19:07:33,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:33,098 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:33,099 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:33,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:33,133 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 57 [2022-11-20 19:07:33,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:33,141 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:33,142 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:33,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:33,164 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 57 [2022-11-20 19:07:33,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:33,171 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:33,172 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:33,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:33,186 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 147 treesize of output 85 [2022-11-20 19:07:33,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:33,194 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:33,195 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:33,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:33,209 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 85 [2022-11-20 19:07:33,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:33,223 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:33,224 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:33,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:33,243 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 85 [2022-11-20 19:07:33,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:33,251 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:33,251 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:33,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:33,274 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 57 [2022-11-20 19:07:33,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:33,288 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:33,289 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:33,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:33,304 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 57 [2022-11-20 19:07:33,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:33,311 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:33,312 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:33,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:33,327 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 147 treesize of output 85 [2022-11-20 19:07:33,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:33,335 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:33,336 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:33,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:33,350 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 85 [2022-11-20 19:07:33,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:33,358 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:33,359 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:33,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:33,373 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 57 [2022-11-20 19:07:33,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:33,382 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:33,382 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:33,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:33,398 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 85 [2022-11-20 19:07:33,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:33,406 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:33,407 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:33,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:33,423 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 85 [2022-11-20 19:07:33,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:33,430 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:33,431 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:33,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:33,453 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 57 [2022-11-20 19:07:33,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:33,461 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:33,462 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:33,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:33,475 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 57 [2022-11-20 19:07:33,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:33,498 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:33,498 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:33,569 INFO L321 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2022-11-20 19:07:33,570 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 1675 treesize of output 1411 [2022-11-20 19:07:38,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:38,041 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:38,042 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:38,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:38,046 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:38,046 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:38,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:38,053 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 1 [2022-11-20 19:07:38,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:38,057 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:38,057 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:38,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:38,061 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2022-11-20 19:07:38,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:38,065 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:38,066 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:38,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:38,073 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:38,074 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:38,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:38,077 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2022-11-20 19:07:38,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:38,081 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:38,082 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:38,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:38,089 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:38,090 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:38,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:38,094 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:38,094 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:38,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:38,098 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2022-11-20 19:07:38,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:38,105 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:38,106 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:38,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:38,110 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:38,110 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:38,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:38,114 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2022-11-20 19:07:38,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:38,118 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:38,119 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:38,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:38,122 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2022-11-20 19:07:38,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:38,127 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:38,127 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:38,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:38,131 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 1 [2022-11-20 19:07:38,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:38,135 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:38,136 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:38,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:38,139 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2022-11-20 19:07:38,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:38,144 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:38,144 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:38,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:38,148 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:38,149 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:38,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:38,152 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2022-11-20 19:07:38,179 INFO L321 Elim1Store]: treesize reduction 5, result has 64.3 percent of original size [2022-11-20 19:07:38,180 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 1675 treesize of output 1420 [2022-11-20 19:07:39,778 INFO L321 Elim1Store]: treesize reduction 23, result has 30.3 percent of original size [2022-11-20 19:07:39,778 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 1675 treesize of output 1436 [2022-11-20 19:07:41,052 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:41,053 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 978 treesize of output 898 [2022-11-20 19:07:41,251 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:41,256 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:41,257 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:41,262 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-20 19:07:41,262 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 1 case distinctions, treesize of input 257 treesize of output 1 [2022-11-20 19:07:41,270 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:41,281 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-20 19:07:41,281 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 176 treesize of output 1 [2022-11-20 19:07:41,285 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:41,291 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:41,292 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:41,298 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-20 19:07:41,298 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 1 case distinctions, treesize of input 257 treesize of output 1 [2022-11-20 19:07:41,329 INFO L321 Elim1Store]: treesize reduction 5, result has 64.3 percent of original size [2022-11-20 19:07:41,330 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 1675 treesize of output 1420 [2022-11-20 19:07:42,767 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 19:07:42,768 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 978 treesize of output 912 [2022-11-20 19:07:43,018 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:43,028 INFO L321 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2022-11-20 19:07:43,029 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 184 treesize of output 1 [2022-11-20 19:07:43,032 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:43,045 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 19:07:43,045 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 131 treesize of output 113 [2022-11-20 19:07:43,075 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:43,076 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:43,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:43,081 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:43,081 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:43,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:43,086 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:43,087 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:43,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:43,091 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:43,092 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:43,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:43,096 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:43,097 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:43,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:43,102 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:43,102 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:43,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:43,125 INFO L321 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2022-11-20 19:07:43,126 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 1675 treesize of output 1 [2022-11-20 19:07:43,148 INFO L321 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2022-11-20 19:07:43,148 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 1919 treesize of output 1527 [2022-11-20 19:07:46,821 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:46,829 INFO L321 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2022-11-20 19:07:46,829 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 270 treesize of output 1 [2022-11-20 19:07:46,835 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:46,846 INFO L321 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2022-11-20 19:07:46,846 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 584 treesize of output 1 [2022-11-20 19:07:46,894 INFO L321 Elim1Store]: treesize reduction 10, result has 69.7 percent of original size [2022-11-20 19:07:46,895 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 1675 treesize of output 1449 [2022-11-20 19:07:47,755 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:47,755 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:47,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:47,762 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:47,771 INFO L321 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2022-11-20 19:07:47,772 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 411 treesize of output 1 [2022-11-20 19:07:47,777 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:47,789 INFO L321 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2022-11-20 19:07:47,789 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 584 treesize of output 1 [2022-11-20 19:07:47,800 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:47,809 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-20 19:07:47,809 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 176 treesize of output 1 [2022-11-20 19:07:47,813 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:47,820 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 103 treesize of output 95 [2022-11-20 19:07:47,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:47,844 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:47,845 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:47,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:47,850 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:47,850 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:47,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:47,855 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 1 [2022-11-20 19:07:47,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:47,865 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:47,866 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:47,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:47,870 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2022-11-20 19:07:47,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:47,875 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:47,875 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:47,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:47,889 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:47,889 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:47,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:47,894 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:47,895 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:47,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:47,899 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2022-11-20 19:07:47,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:47,904 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:47,904 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:47,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:47,909 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:47,910 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:47,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:47,914 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 1 [2022-11-20 19:07:47,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:47,919 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:47,920 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:47,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:47,924 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2022-11-20 19:07:47,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:47,929 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:47,929 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:47,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:47,938 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:47,939 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:47,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:47,943 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 1 [2022-11-20 19:07:47,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:47,948 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:47,948 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:47,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:47,953 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2022-11-20 19:07:47,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:47,958 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:47,958 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:47,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:47,963 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 1 [2022-11-20 19:07:47,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:47,967 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:47,968 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:47,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:47,972 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2022-11-20 19:07:47,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:47,978 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:47,978 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:48,004 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:48,014 INFO L321 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2022-11-20 19:07:48,014 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 411 treesize of output 1 [2022-11-20 19:07:48,022 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:48,023 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:48,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:48,036 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:48,037 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:48,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:48,041 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:48,042 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:48,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:48,051 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:48,052 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:48,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:48,057 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:48,058 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:48,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:48,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:48,068 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:48,068 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:48,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:48,073 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2022-11-20 19:07:48,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:48,081 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:48,082 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:48,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:48,086 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2022-11-20 19:07:48,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:48,091 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:48,092 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:48,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:48,097 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2022-11-20 19:07:48,122 INFO L321 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2022-11-20 19:07:48,123 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 1675 treesize of output 1 [2022-11-20 19:07:48,134 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:48,135 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:48,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:48,150 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:48,161 INFO L321 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2022-11-20 19:07:48,161 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 299 treesize of output 235 [2022-11-20 19:07:48,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:48,275 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:48,275 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:48,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:48,281 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:48,282 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:48,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:48,287 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:48,288 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:48,334 INFO L321 Elim1Store]: treesize reduction 15, result has 54.5 percent of original size [2022-11-20 19:07:48,334 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 1919 treesize of output 1544 [2022-11-20 19:07:51,743 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:51,756 INFO L321 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2022-11-20 19:07:51,758 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 427 treesize of output 1 [2022-11-20 19:07:51,764 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:51,776 INFO L321 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2022-11-20 19:07:51,776 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 286 treesize of output 1 [2022-11-20 19:07:51,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:51,786 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:51,786 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:51,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:51,791 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2022-11-20 19:07:51,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:51,797 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:51,797 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:51,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:51,802 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:51,803 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:51,812 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:51,825 INFO L321 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2022-11-20 19:07:51,825 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 584 treesize of output 1 [2022-11-20 19:07:51,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:51,834 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:51,835 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:51,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:51,839 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 1 [2022-11-20 19:07:51,878 INFO L321 Elim1Store]: treesize reduction 15, result has 54.5 percent of original size [2022-11-20 19:07:51,879 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 1848 treesize of output 1473 [2022-11-20 19:07:52,264 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:52,265 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:52,270 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:52,276 INFO L321 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2022-11-20 19:07:52,276 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 38 treesize of output 1 [2022-11-20 19:07:52,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:52,285 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:52,285 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:52,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:52,290 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2022-11-20 19:07:52,295 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:52,296 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:52,307 INFO L321 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2022-11-20 19:07:52,307 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 63 treesize of output 1 [2022-11-20 19:07:52,313 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:52,313 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:52,325 INFO L321 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2022-11-20 19:07:52,325 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 92 treesize of output 1 [2022-11-20 19:07:52,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:52,331 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:52,331 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:52,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:52,336 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2022-11-20 19:07:52,343 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:52,358 INFO L321 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2022-11-20 19:07:52,358 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 584 treesize of output 1 [2022-11-20 19:07:52,371 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:52,372 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:52,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:52,377 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:52,377 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:52,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:52,383 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:52,383 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:52,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:52,389 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:52,389 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:52,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:52,396 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:52,403 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:52,409 INFO L321 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2022-11-20 19:07:52,409 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 286 treesize of output 1 [2022-11-20 19:07:52,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:52,417 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:52,417 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:52,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:52,422 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:52,423 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:52,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:52,435 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:52,436 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:52,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:52,441 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 1 [2022-11-20 19:07:52,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:52,446 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:52,447 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:52,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:52,452 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2022-11-20 19:07:52,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:52,462 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:52,462 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:52,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:52,467 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 1 [2022-11-20 19:07:52,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:52,497 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:52,497 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:52,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:52,509 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:52,509 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:52,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:52,514 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 1 [2022-11-20 19:07:52,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:52,520 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:52,520 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:52,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:52,525 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2022-11-20 19:07:52,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:52,531 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:52,531 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:52,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:52,536 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 1 [2022-11-20 19:07:52,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:52,542 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:52,543 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:52,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:52,548 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2022-11-20 19:07:52,559 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:52,559 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:52,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:52,565 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:52,566 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:52,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:52,584 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:52,585 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:52,590 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:52,596 INFO L321 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2022-11-20 19:07:52,597 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 38 treesize of output 1 [2022-11-20 19:07:52,602 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:52,603 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:52,615 INFO L321 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2022-11-20 19:07:52,615 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 92 treesize of output 1 [2022-11-20 19:07:52,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:52,625 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:52,626 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:52,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:52,631 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2022-11-20 19:07:52,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:52,641 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:52,642 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:52,653 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:52,654 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:52,660 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:52,666 INFO L321 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2022-11-20 19:07:52,666 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 92 treesize of output 1 [2022-11-20 19:07:52,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:52,678 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:52,678 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:52,685 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:52,686 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:52,700 INFO L321 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2022-11-20 19:07:52,700 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 121 treesize of output 1 [2022-11-20 19:07:52,711 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:52,712 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:52,718 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:52,724 INFO L321 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2022-11-20 19:07:52,724 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 63 treesize of output 1 [2022-11-20 19:07:52,735 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:52,736 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:52,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:52,742 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:52,743 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:52,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:52,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:52,755 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:52,755 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:52,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:52,760 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2022-11-20 19:07:52,771 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:52,772 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:52,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:52,778 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:52,778 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:52,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:52,784 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:52,784 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:52,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:52,790 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:52,790 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:52,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:52,796 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:52,797 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:52,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:52,803 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:52,803 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:52,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:52,809 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:52,810 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:52,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:52,815 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:52,816 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:52,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:52,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:52,825 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:52,826 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:52,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:52,832 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:52,833 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:52,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:52,839 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:52,840 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:52,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:52,846 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:52,847 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:52,861 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:52,869 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:52,876 INFO L321 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2022-11-20 19:07:52,877 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 427 treesize of output 1 [2022-11-20 19:07:52,893 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:52,893 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:52,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:52,907 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:52,908 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:52,922 INFO L321 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2022-11-20 19:07:52,922 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 92 treesize of output 1 [2022-11-20 19:07:52,933 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:52,933 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:52,939 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:52,946 INFO L321 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2022-11-20 19:07:52,946 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 96 treesize of output 1 [2022-11-20 19:07:52,952 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:52,953 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:52,958 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:52,965 INFO L321 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2022-11-20 19:07:52,965 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 67 treesize of output 1 [2022-11-20 19:07:52,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:52,977 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:52,977 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:52,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:52,983 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2022-11-20 19:07:52,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:52,989 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:52,990 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:52,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:52,996 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:52,997 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:53,005 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:53,006 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:53,019 INFO L321 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2022-11-20 19:07:53,019 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 121 treesize of output 1 [2022-11-20 19:07:53,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:53,029 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:53,030 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:53,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:53,036 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 1 [2022-11-20 19:07:53,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:53,047 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:53,047 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:53,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:53,053 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2022-11-20 19:07:53,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:53,059 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:53,060 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:53,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:53,065 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2022-11-20 19:07:53,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:53,072 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:53,072 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:53,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:53,078 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 1 [2022-11-20 19:07:53,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:53,084 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:53,085 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:53,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:53,090 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2022-11-20 19:07:53,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:53,098 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:53,099 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:53,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:53,105 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 1 [2022-11-20 19:07:53,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:53,111 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:53,111 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:53,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:53,117 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2022-11-20 19:07:53,133 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:53,134 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:53,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:53,140 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:53,141 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:53,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:53,147 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:53,147 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:53,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:53,154 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:53,154 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:53,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:53,167 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:53,175 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:53,183 INFO L321 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2022-11-20 19:07:53,183 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 443 treesize of output 1 [2022-11-20 19:07:53,199 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:53,199 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:53,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:53,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:53,207 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:53,208 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:53,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:53,214 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2022-11-20 19:07:53,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:53,222 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:53,222 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:53,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:53,229 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:53,230 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:53,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:53,244 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:53,245 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:53,252 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:53,269 INFO L321 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2022-11-20 19:07:53,269 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 584 treesize of output 1 [2022-11-20 19:07:53,276 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:53,284 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:53,292 INFO L321 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2022-11-20 19:07:53,292 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 286 treesize of output 1 [2022-11-20 19:07:53,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:53,305 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:53,307 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:53,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:53,314 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 1 [2022-11-20 19:07:53,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:53,342 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:53,342 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:53,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:53,349 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:53,349 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:53,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:53,356 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:53,356 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:53,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:53,362 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2022-11-20 19:07:53,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:53,369 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:53,370 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:53,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:53,377 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:53,377 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:53,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:53,384 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:53,385 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:53,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:53,391 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2022-11-20 19:07:53,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:53,397 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:53,398 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:53,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:53,405 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:53,406 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:53,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:53,494 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:53,494 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:53,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:53,498 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2022-11-20 19:07:53,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:53,506 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:53,507 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:53,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:53,511 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:53,512 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:53,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:53,516 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 1 [2022-11-20 19:07:53,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:53,520 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:53,521 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:53,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:53,524 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2022-11-20 19:07:53,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:53,529 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:53,530 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:53,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:53,537 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:53,538 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:53,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:53,542 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 1 [2022-11-20 19:07:53,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:53,546 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:53,547 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:53,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:53,552 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2022-11-20 19:07:53,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:53,556 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:53,557 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:53,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:53,560 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2022-11-20 19:07:53,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:53,565 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:53,566 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:53,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:53,570 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2022-11-20 19:07:53,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:53,574 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:53,575 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:53,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:53,579 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 1 [2022-11-20 19:07:53,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:53,583 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:53,584 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:53,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:53,588 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2022-11-20 19:07:53,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:53,593 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:53,594 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:53,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:53,598 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 1 [2022-11-20 19:07:53,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:53,602 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:53,603 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:53,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:53,607 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2022-11-20 19:07:53,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:53,611 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:53,612 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:53,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:53,617 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:53,617 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:53,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:53,623 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2022-11-20 19:07:53,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:53,654 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:53,655 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:53,665 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:53,666 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:53,676 INFO L321 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2022-11-20 19:07:53,676 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 92 treesize of output 1 [2022-11-20 19:07:53,684 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:53,685 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:53,689 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:53,694 INFO L321 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2022-11-20 19:07:53,695 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 96 treesize of output 1 [2022-11-20 19:07:53,700 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:53,700 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:53,705 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:53,709 INFO L321 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2022-11-20 19:07:53,710 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 67 treesize of output 1 [2022-11-20 19:07:53,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:53,719 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:53,719 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:53,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:53,723 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2022-11-20 19:07:53,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:53,729 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:53,729 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:53,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:53,734 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:53,735 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:53,742 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:53,742 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:53,752 INFO L321 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2022-11-20 19:07:53,753 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 121 treesize of output 1 [2022-11-20 19:07:53,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:53,761 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:53,761 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:53,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:53,766 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 1 [2022-11-20 19:07:53,774 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:53,783 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-20 19:07:53,784 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 176 treesize of output 1 [2022-11-20 19:07:53,788 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:53,793 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 54 treesize of output 50 [2022-11-20 19:07:53,818 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:53,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:53,823 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:53,828 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:53,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:53,830 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:53,842 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:53,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:53,844 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:53,848 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:53,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:53,850 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:53,854 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:53,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:53,855 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:53,859 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:53,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:53,861 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:53,864 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:53,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:53,866 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:53,870 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:53,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:53,872 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:53,876 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:53,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:53,877 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:53,882 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:53,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:53,883 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:53,892 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:53,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:53,894 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:53,898 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:53,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:53,900 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:53,907 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:53,920 INFO L321 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2022-11-20 19:07:53,920 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 443 treesize of output 1 [2022-11-20 19:07:53,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:53,927 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:53,927 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:53,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:53,933 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:53,933 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:53,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:53,939 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:53,940 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:53,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:53,945 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:53,946 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:53,958 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:53,963 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:53,970 INFO L321 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2022-11-20 19:07:53,970 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 427 treesize of output 1 [2022-11-20 19:07:53,976 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:53,983 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:53,990 INFO L321 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2022-11-20 19:07:53,990 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 286 treesize of output 1 [2022-11-20 19:07:54,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:54,001 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:54,002 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:54,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:54,007 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2022-11-20 19:07:54,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:54,014 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:54,014 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:54,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:54,020 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:54,020 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:54,032 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:54,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:54,033 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:54,038 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:54,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:54,040 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:54,044 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:54,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:54,045 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:54,050 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:54,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:54,052 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:54,059 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:54,072 INFO L321 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2022-11-20 19:07:54,073 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 584 treesize of output 1 [2022-11-20 19:07:54,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:54,081 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:54,082 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:54,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:54,087 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 1 [2022-11-20 19:07:54,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:54,092 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:54,093 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:54,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:54,098 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2022-11-20 19:07:54,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:54,107 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:54,108 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:54,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:54,113 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 1 [2022-11-20 19:07:54,141 INFO L321 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2022-11-20 19:07:54,141 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 2372 treesize of output 1 [2022-11-20 19:07:54,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:54,160 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:54,161 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:54,169 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:54,170 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:54,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:54,175 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:54,176 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:54,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:54,187 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:54,194 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:54,200 INFO L321 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2022-11-20 19:07:54,200 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 427 treesize of output 1 [2022-11-20 19:07:54,212 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:54,212 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:54,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:54,219 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:54,233 INFO L321 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2022-11-20 19:07:54,234 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 584 treesize of output 1 [2022-11-20 19:07:54,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:54,242 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:54,243 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:54,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:54,248 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 1 [2022-11-20 19:07:54,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:54,257 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:54,257 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:07:54,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:54,262 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 1 [2022-11-20 19:08:17,456 INFO L134 CoverageAnalysis]: Checked inductivity of 124288 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 124251 trivial. 0 not checked. [2022-11-20 19:08:17,457 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [780080744] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 19:08:17,457 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [294758520] [2022-11-20 19:08:17,458 INFO L159 IcfgInterpreter]: Started Sifa with 10 locations of interest [2022-11-20 19:08:17,458 INFO L166 IcfgInterpreter]: Building call graph [2022-11-20 19:08:17,459 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-20 19:08:17,459 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-20 19:08:17,459 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-20 19:08:17,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:08:17,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:08:17,511 INFO L321 Elim1Store]: treesize reduction 37, result has 32.7 percent of original size [2022-11-20 19:08:17,511 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 34 [2022-11-20 19:08:17,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:08:17,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:08:17,561 INFO L321 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2022-11-20 19:08:17,562 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 39 treesize of output 53 [2022-11-20 19:08:17,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:08:17,600 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 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 19:08:17,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:08:17,661 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:08:17,689 INFO L321 Elim1Store]: treesize reduction 54, result has 28.0 percent of original size [2022-11-20 19:08:17,689 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 248 treesize of output 247 [2022-11-20 19:08:17,775 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-20 19:08:17,798 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:08:17,809 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-20 19:08:17,810 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 39 treesize of output 29 [2022-11-20 19:08:17,837 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:08:17,848 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-20 19:08:17,848 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 25 treesize of output 25 [2022-11-20 19:08:18,017 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:08:18,028 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-20 19:08:18,028 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 25 treesize of output 25 [2022-11-20 19:08:18,034 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-20 19:08:22,331 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '17324#(and (< |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~i~0#1|) (= |ULTIMATE.start_main_#t~mem6#1| (select (select |#memory_int| |ULTIMATE.start_main_~#dst~0#1.base|) (+ |ULTIMATE.start_main_~#dst~0#1.offset| (* |ULTIMATE.start_main_~x~0#1| 4)))) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (= |ULTIMATE.start_main_#t~mem7#1| (select (select |#memory_int| |ULTIMATE.start_main_~#src~0#1.base|) (+ |ULTIMATE.start_main_~#src~0#1.offset| (* |ULTIMATE.start_main_~x~0#1| 4)))) (= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| (ite (= |ULTIMATE.start_main_#t~mem7#1| |ULTIMATE.start_main_#t~mem6#1|) 1 0)) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (or (and (= |ULTIMATE.start_main_~#dst~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#src~0#1.base|) (= |ULTIMATE.start_main_~#src~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#dst~0#1.base|) (<= 100000 |ULTIMATE.start_main_~j~0#1|) (= |#NULL.offset| 0) (= |ULTIMATE.start_main_~x~0#1| 0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0)) (and (= |ULTIMATE.start_main_~#dst~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#src~0#1.base|) (= |ULTIMATE.start_main_~#src~0#1.offset| 0) (<= 1 |ULTIMATE.start_main_~x~0#1|) (<= 0 |ULTIMATE.start_main_~#dst~0#1.base|) (<= 100000 |ULTIMATE.start_main_~j~0#1|) (= |#NULL.offset| 0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))))' at error location [2022-11-20 19:08:22,331 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-20 19:08:22,331 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 19:08:22,331 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [500, 12, 12] total 522 [2022-11-20 19:08:22,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1600794703] [2022-11-20 19:08:22,332 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 19:08:22,332 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 523 states [2022-11-20 19:08:22,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 19:08:22,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 523 interpolants. [2022-11-20 19:08:22,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=125354, Invalid=155016, Unknown=0, NotChecked=0, Total=280370 [2022-11-20 19:08:22,361 INFO L87 Difference]: Start difference. First operand 537 states and 541 transitions. Second operand has 523 states, 523 states have (on average 1.0650095602294456) internal successors, (557), 522 states have internal predecessors, (557), 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 19:11:04,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 19:11:04,759 INFO L93 Difference]: Finished difference Result 598 states and 607 transitions. [2022-11-20 19:11:04,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 524 states. [2022-11-20 19:11:04,760 INFO L78 Accepts]: Start accepts. Automaton has has 523 states, 523 states have (on average 1.0650095602294456) internal successors, (557), 522 states have internal predecessors, (557), 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 522 [2022-11-20 19:11:04,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 19:11:04,763 INFO L225 Difference]: With dead ends: 598 [2022-11-20 19:11:04,764 INFO L226 Difference]: Without dead ends: 561 [2022-11-20 19:11:04,821 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2581 GetRequests, 1536 SyntacticMatches, 0 SemanticMatches, 1045 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 153699 ImplicationChecksByTransitivity, 268.3s TimeCoverageRelationStatistics Valid=376588, Invalid=718574, Unknown=0, NotChecked=0, Total=1095162 [2022-11-20 19:11:04,822 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 88 mSDsluCounter, 134 mSDsCounter, 0 mSdLazyCounter, 1052 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 142 SdHoareTripleChecker+Invalid, 1079 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 1052 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 10 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-20 19:11:04,822 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 142 Invalid, 1079 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 1052 Invalid, 0 Unknown, 10 Unchecked, 1.1s Time] [2022-11-20 19:11:04,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 561 states. [2022-11-20 19:11:04,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 561 to 535. [2022-11-20 19:11:04,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 535 states, 534 states have (on average 1.0074906367041199) internal successors, (538), 534 states have internal predecessors, (538), 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 19:11:04,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 535 states and 538 transitions. [2022-11-20 19:11:04,900 INFO L78 Accepts]: Start accepts. Automaton has 535 states and 538 transitions. Word has length 522 [2022-11-20 19:11:04,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 19:11:04,901 INFO L495 AbstractCegarLoop]: Abstraction has 535 states and 538 transitions. [2022-11-20 19:11:04,901 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 523 states, 523 states have (on average 1.0650095602294456) internal successors, (557), 522 states have internal predecessors, (557), 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 19:11:04,902 INFO L276 IsEmpty]: Start isEmpty. Operand 535 states and 538 transitions. [2022-11-20 19:11:04,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 525 [2022-11-20 19:11:04,914 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 19:11:04,914 INFO L195 NwaCegarLoop]: trace histogram [499, 5, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1] [2022-11-20 19:11:04,924 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc03cfb-c05b-441c-90ad-25a92112503d/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2022-11-20 19:11:05,123 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc03cfb-c05b-441c-90ad-25a92112503d/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-11-20 19:11:05,124 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 19:11:05,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 19:11:05,124 INFO L85 PathProgramCache]: Analyzing trace with hash -748358014, now seen corresponding path program 12 times [2022-11-20 19:11:05,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 19:11:05,125 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [303404637] [2022-11-20 19:11:05,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:11:05,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 19:11:06,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat