./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/heap-data/running_example.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31e69689-70b4-4aee-9632-e040b82ed28b/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31e69689-70b4-4aee-9632-e040b82ed28b/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31e69689-70b4-4aee-9632-e040b82ed28b/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31e69689-70b4-4aee-9632-e040b82ed28b/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/heap-data/running_example.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31e69689-70b4-4aee-9632-e040b82ed28b/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31e69689-70b4-4aee-9632-e040b82ed28b/bin/utaipan-ByfvJB40ur --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 318c7aa22aeecc0174739978e9fb15d261281003454726c8705d95a97106063f --- 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-38b53e6 [2022-11-25 23:58:26,986 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 23:58:26,989 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 23:58:27,028 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 23:58:27,032 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 23:58:27,037 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 23:58:27,040 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 23:58:27,046 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 23:58:27,048 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 23:58:27,050 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 23:58:27,052 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 23:58:27,055 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 23:58:27,057 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 23:58:27,060 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 23:58:27,062 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 23:58:27,065 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 23:58:27,068 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 23:58:27,075 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 23:58:27,077 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 23:58:27,080 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 23:58:27,086 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 23:58:27,087 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 23:58:27,089 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 23:58:27,091 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 23:58:27,095 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 23:58:27,096 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 23:58:27,096 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 23:58:27,097 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 23:58:27,098 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 23:58:27,099 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 23:58:27,099 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 23:58:27,100 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 23:58:27,101 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 23:58:27,102 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 23:58:27,103 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 23:58:27,104 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 23:58:27,105 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 23:58:27,105 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 23:58:27,105 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 23:58:27,106 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 23:58:27,107 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 23:58:27,108 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31e69689-70b4-4aee-9632-e040b82ed28b/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-25 23:58:27,132 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 23:58:27,132 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 23:58:27,133 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 23:58:27,133 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 23:58:27,134 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 23:58:27,134 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 23:58:27,134 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 23:58:27,134 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 23:58:27,135 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 23:58:27,135 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-25 23:58:27,135 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 23:58:27,135 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 23:58:27,136 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-25 23:58:27,136 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-25 23:58:27,136 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 23:58:27,136 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-25 23:58:27,137 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-25 23:58:27,137 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-25 23:58:27,138 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 23:58:27,138 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 23:58:27,138 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 23:58:27,139 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 23:58:27,139 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 23:58:27,139 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 23:58:27,139 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 23:58:27,140 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 23:58:27,140 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 23:58:27,140 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 23:58:27,140 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 23:58:27,140 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 23:58:27,141 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 23:58:27,141 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 23:58:27,141 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:58:27,142 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 23:58:27,142 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-25 23:58:27,142 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 23:58:27,142 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 23:58:27,143 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-25 23:58:27,143 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 23:58:27,143 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 23:58:27,143 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 23:58:27,143 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_31e69689-70b4-4aee-9632-e040b82ed28b/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31e69689-70b4-4aee-9632-e040b82ed28b/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 318c7aa22aeecc0174739978e9fb15d261281003454726c8705d95a97106063f [2022-11-25 23:58:27,486 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 23:58:27,526 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 23:58:27,528 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 23:58:27,529 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 23:58:27,530 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 23:58:27,531 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31e69689-70b4-4aee-9632-e040b82ed28b/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/heap-data/running_example.i [2022-11-25 23:58:30,737 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 23:58:31,086 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 23:58:31,091 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31e69689-70b4-4aee-9632-e040b82ed28b/sv-benchmarks/c/heap-data/running_example.i [2022-11-25 23:58:31,111 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31e69689-70b4-4aee-9632-e040b82ed28b/bin/utaipan-ByfvJB40ur/data/93b6202cb/90622a7860f0496ab49ac628f2a0db25/FLAG7f1ce6871 [2022-11-25 23:58:31,126 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31e69689-70b4-4aee-9632-e040b82ed28b/bin/utaipan-ByfvJB40ur/data/93b6202cb/90622a7860f0496ab49ac628f2a0db25 [2022-11-25 23:58:31,129 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 23:58:31,131 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 23:58:31,132 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 23:58:31,132 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 23:58:31,137 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 23:58:31,140 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:58:31" (1/1) ... [2022-11-25 23:58:31,142 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c228c1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:58:31, skipping insertion in model container [2022-11-25 23:58:31,143 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:58:31" (1/1) ... [2022-11-25 23:58:31,151 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 23:58:31,200 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 23:58:31,579 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_31e69689-70b4-4aee-9632-e040b82ed28b/sv-benchmarks/c/heap-data/running_example.i[23610,23623] [2022-11-25 23:58:31,590 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:58:31,603 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 23:58:31,662 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31e69689-70b4-4aee-9632-e040b82ed28b/sv-benchmarks/c/heap-data/running_example.i[23610,23623] [2022-11-25 23:58:31,666 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:58:31,691 INFO L208 MainTranslator]: Completed translation [2022-11-25 23:58:31,692 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:58:31 WrapperNode [2022-11-25 23:58:31,692 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 23:58:31,693 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 23:58:31,694 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 23:58:31,694 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 23:58:31,701 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:58:31" (1/1) ... [2022-11-25 23:58:31,725 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:58:31" (1/1) ... [2022-11-25 23:58:31,753 INFO L138 Inliner]: procedures = 121, calls = 21, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 72 [2022-11-25 23:58:31,754 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 23:58:31,754 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 23:58:31,755 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 23:58:31,755 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 23:58:31,766 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:58:31" (1/1) ... [2022-11-25 23:58:31,766 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:58:31" (1/1) ... [2022-11-25 23:58:31,784 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:58:31" (1/1) ... [2022-11-25 23:58:31,785 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:58:31" (1/1) ... [2022-11-25 23:58:31,791 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:58:31" (1/1) ... [2022-11-25 23:58:31,809 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:58:31" (1/1) ... [2022-11-25 23:58:31,810 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:58:31" (1/1) ... [2022-11-25 23:58:31,811 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:58:31" (1/1) ... [2022-11-25 23:58:31,813 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 23:58:31,814 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 23:58:31,814 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 23:58:31,814 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 23:58:31,815 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:58:31" (1/1) ... [2022-11-25 23:58:31,826 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:58:31,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31e69689-70b4-4aee-9632-e040b82ed28b/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:58:31,857 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31e69689-70b4-4aee-9632-e040b82ed28b/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 23:58:31,887 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31e69689-70b4-4aee-9632-e040b82ed28b/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 23:58:31,910 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 23:58:31,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 23:58:31,911 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-25 23:58:31,911 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 23:58:31,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-25 23:58:31,911 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-25 23:58:31,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 23:58:31,912 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 23:58:31,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 23:58:32,064 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 23:58:32,068 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 23:58:32,324 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 23:58:32,397 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 23:58:32,398 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-25 23:58:32,400 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:58:32 BoogieIcfgContainer [2022-11-25 23:58:32,401 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 23:58:32,403 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 23:58:32,404 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 23:58:32,408 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 23:58:32,408 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 11:58:31" (1/3) ... [2022-11-25 23:58:32,409 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e588844 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:58:32, skipping insertion in model container [2022-11-25 23:58:32,409 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:58:31" (2/3) ... [2022-11-25 23:58:32,410 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e588844 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:58:32, skipping insertion in model container [2022-11-25 23:58:32,410 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:58:32" (3/3) ... [2022-11-25 23:58:32,412 INFO L112 eAbstractionObserver]: Analyzing ICFG running_example.i [2022-11-25 23:58:32,435 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 23:58:32,436 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-25 23:58:32,488 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 23:58:32,495 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;@2ef5859e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 23:58:32,495 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-25 23:58:32,500 INFO L276 IsEmpty]: Start isEmpty. Operand has 12 states, 10 states have (on average 1.7) internal successors, (17), 11 states have internal predecessors, (17), 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) [2022-11-25 23:58:32,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-25 23:58:32,507 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:58:32,507 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-25 23:58:32,508 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:58:32,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:58:32,516 INFO L85 PathProgramCache]: Analyzing trace with hash -1470856896, now seen corresponding path program 1 times [2022-11-25 23:58:32,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:58:32,528 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1407321920] [2022-11-25 23:58:32,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:58:32,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:58:32,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:58:32,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:58:32,732 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:58:32,732 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1407321920] [2022-11-25 23:58:32,733 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1407321920] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:58:32,734 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:58:32,734 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 23:58:32,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368410847] [2022-11-25 23:58:32,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:58:32,742 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-25 23:58:32,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:58:32,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-25 23:58:32,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-25 23:58:32,802 INFO L87 Difference]: Start difference. First operand has 12 states, 10 states have (on average 1.7) internal successors, (17), 11 states have internal predecessors, (17), 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 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2022-11-25 23:58:32,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:58:32,857 INFO L93 Difference]: Finished difference Result 18 states and 26 transitions. [2022-11-25 23:58:32,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 23:58:32,860 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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 6 [2022-11-25 23:58:32,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:58:32,868 INFO L225 Difference]: With dead ends: 18 [2022-11-25 23:58:32,868 INFO L226 Difference]: Without dead ends: 11 [2022-11-25 23:58:32,871 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 [2022-11-25 23:58:32,876 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 23:58:32,878 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 10 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 23:58:32,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2022-11-25 23:58:32,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2022-11-25 23:58:32,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 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) [2022-11-25 23:58:32,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 14 transitions. [2022-11-25 23:58:32,916 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 14 transitions. Word has length 6 [2022-11-25 23:58:32,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:58:32,917 INFO L495 AbstractCegarLoop]: Abstraction has 11 states and 14 transitions. [2022-11-25 23:58:32,918 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2022-11-25 23:58:32,919 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 14 transitions. [2022-11-25 23:58:32,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-25 23:58:32,919 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:58:32,920 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:58:32,920 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 23:58:32,921 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:58:32,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:58:32,922 INFO L85 PathProgramCache]: Analyzing trace with hash 237321750, now seen corresponding path program 1 times [2022-11-25 23:58:32,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:58:32,923 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1060714358] [2022-11-25 23:58:32,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:58:32,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:58:32,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:58:33,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:58:33,506 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:58:33,506 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1060714358] [2022-11-25 23:58:33,507 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1060714358] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:58:33,507 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:58:33,507 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 23:58:33,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1518248385] [2022-11-25 23:58:33,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:58:33,509 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 23:58:33,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:58:33,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 23:58:33,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:58:33,511 INFO L87 Difference]: Start difference. First operand 11 states and 14 transitions. Second operand has 5 states, 5 states have (on average 1.6) internal successors, (8), 4 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) [2022-11-25 23:58:33,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:58:33,618 INFO L93 Difference]: Finished difference Result 22 states and 28 transitions. [2022-11-25 23:58:33,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 23:58:33,619 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 1.6) internal successors, (8), 4 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 [2022-11-25 23:58:33,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:58:33,620 INFO L225 Difference]: With dead ends: 22 [2022-11-25 23:58:33,620 INFO L226 Difference]: Without dead ends: 20 [2022-11-25 23:58:33,621 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-25 23:58:33,622 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 9 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 23:58:33,623 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 29 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 23:58:33,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2022-11-25 23:58:33,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 18. [2022-11-25 23:58:33,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 17 states have (on average 1.411764705882353) internal successors, (24), 17 states have internal predecessors, (24), 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) [2022-11-25 23:58:33,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 24 transitions. [2022-11-25 23:58:33,629 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 24 transitions. Word has length 8 [2022-11-25 23:58:33,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:58:33,630 INFO L495 AbstractCegarLoop]: Abstraction has 18 states and 24 transitions. [2022-11-25 23:58:33,630 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1.6) internal successors, (8), 4 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) [2022-11-25 23:58:33,630 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 24 transitions. [2022-11-25 23:58:33,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-25 23:58:33,631 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:58:33,631 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:58:33,632 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 23:58:33,632 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:58:33,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:58:33,633 INFO L85 PathProgramCache]: Analyzing trace with hash 540596448, now seen corresponding path program 1 times [2022-11-25 23:58:33,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:58:33,634 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739217465] [2022-11-25 23:58:33,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:58:33,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:58:33,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:58:34,120 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:58:34,120 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:58:34,120 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1739217465] [2022-11-25 23:58:34,120 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1739217465] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 23:58:34,121 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [871028037] [2022-11-25 23:58:34,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:58:34,121 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:58:34,121 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31e69689-70b4-4aee-9632-e040b82ed28b/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:58:34,125 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31e69689-70b4-4aee-9632-e040b82ed28b/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:58:34,143 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31e69689-70b4-4aee-9632-e040b82ed28b/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-25 23:58:34,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:58:34,240 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 22 conjunts are in the unsatisfiable core [2022-11-25 23:58:34,247 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:58:34,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:58:34,360 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2022-11-25 23:58:34,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:58:34,371 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2022-11-25 23:58:34,526 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 85 [2022-11-25 23:58:34,541 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 76 [2022-11-25 23:58:34,562 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 59 [2022-11-25 23:58:34,588 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 41 treesize of output 37 [2022-11-25 23:58:34,671 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-11-25 23:58:34,679 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-11-25 23:58:34,685 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:58:34,685 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 23:58:34,754 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:58:34,755 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 92 treesize of output 104 [2022-11-25 23:58:34,776 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 82 treesize of output 78 [2022-11-25 23:58:34,902 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:58:34,903 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [871028037] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 23:58:34,904 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1513967449] [2022-11-25 23:58:34,937 INFO L159 IcfgInterpreter]: Started Sifa with 10 locations of interest [2022-11-25 23:58:34,937 INFO L166 IcfgInterpreter]: Building call graph [2022-11-25 23:58:34,945 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-25 23:58:34,954 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-25 23:58:34,954 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-25 23:58:35,029 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-25 23:58:35,030 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 30 [2022-11-25 23:58:35,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:58:35,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:58:35,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:58:35,065 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-25 23:58:35,066 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 41 [2022-11-25 23:58:35,109 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-25 23:58:35,109 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-11-25 23:58:35,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:58:35,124 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 9 [2022-11-25 23:58:35,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:58:35,135 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 9 [2022-11-25 23:58:35,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:58:35,269 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2022-11-25 23:58:35,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:58:35,281 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 0 case distinctions, treesize of input 39 treesize of output 33 [2022-11-25 23:58:35,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:58:35,297 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2022-11-25 23:58:35,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:58:35,409 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2022-11-25 23:58:35,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:58:35,420 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2022-11-25 23:58:35,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:58:35,437 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 0 case distinctions, treesize of input 39 treesize of output 33 [2022-11-25 23:58:35,534 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-25 23:58:36,589 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1513967449] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:58:36,589 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-25 23:58:36,590 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [4, 4, 4] total 13 [2022-11-25 23:58:36,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083436793] [2022-11-25 23:58:36,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:58:36,591 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-25 23:58:36,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:58:36,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-25 23:58:36,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2022-11-25 23:58:36,593 INFO L87 Difference]: Start difference. First operand 18 states and 24 transitions. Second operand has 7 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:58:36,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:58:36,758 INFO L93 Difference]: Finished difference Result 31 states and 41 transitions. [2022-11-25 23:58:36,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 23:58:36,759 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-11-25 23:58:36,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:58:36,760 INFO L225 Difference]: With dead ends: 31 [2022-11-25 23:58:36,760 INFO L226 Difference]: Without dead ends: 22 [2022-11-25 23:58:36,760 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2022-11-25 23:58:36,761 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 3 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 23:58:36,762 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 27 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 23:58:36,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2022-11-25 23:58:36,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 20. [2022-11-25 23:58:36,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 19 states have (on average 1.368421052631579) internal successors, (26), 19 states have internal predecessors, (26), 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) [2022-11-25 23:58:36,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 26 transitions. [2022-11-25 23:58:36,777 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 26 transitions. Word has length 11 [2022-11-25 23:58:36,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:58:36,778 INFO L495 AbstractCegarLoop]: Abstraction has 20 states and 26 transitions. [2022-11-25 23:58:36,780 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:58:36,780 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 26 transitions. [2022-11-25 23:58:36,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-25 23:58:36,780 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:58:36,781 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:58:36,798 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31e69689-70b4-4aee-9632-e040b82ed28b/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-25 23:58:36,987 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31e69689-70b4-4aee-9632-e040b82ed28b/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:58:36,988 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:58:36,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:58:36,988 INFO L85 PathProgramCache]: Analyzing trace with hash 1081792080, now seen corresponding path program 1 times [2022-11-25 23:58:36,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:58:36,989 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [352291718] [2022-11-25 23:58:36,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:58:36,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:58:37,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:58:37,293 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:58:37,294 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:58:37,298 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [352291718] [2022-11-25 23:58:37,298 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [352291718] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 23:58:37,299 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [10917126] [2022-11-25 23:58:37,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:58:37,300 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:58:37,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31e69689-70b4-4aee-9632-e040b82ed28b/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:58:37,302 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31e69689-70b4-4aee-9632-e040b82ed28b/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:58:37,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31e69689-70b4-4aee-9632-e040b82ed28b/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-25 23:58:37,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:58:37,399 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 26 conjunts are in the unsatisfiable core [2022-11-25 23:58:37,402 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:58:37,411 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-25 23:58:37,419 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-25 23:58:37,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:58:37,494 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 26 [2022-11-25 23:58:37,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:58:37,501 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-25 23:58:37,510 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-25 23:58:37,511 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-11-25 23:58:37,585 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 34 [2022-11-25 23:58:37,602 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:58:37,602 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 23:58:37,853 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:58:37,853 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [10917126] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 23:58:37,853 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1460584854] [2022-11-25 23:58:37,856 INFO L159 IcfgInterpreter]: Started Sifa with 10 locations of interest [2022-11-25 23:58:37,856 INFO L166 IcfgInterpreter]: Building call graph [2022-11-25 23:58:37,857 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-25 23:58:37,857 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-25 23:58:37,858 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-25 23:58:37,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:58:37,891 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 9 [2022-11-25 23:58:37,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:58:37,898 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 9 [2022-11-25 23:58:37,929 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-25 23:58:37,929 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 30 [2022-11-25 23:58:37,967 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-25 23:58:37,968 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-11-25 23:58:37,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:58:37,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:58:37,991 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 37 [2022-11-25 23:58:38,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:58:38,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:58:38,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:58:38,079 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:58:38,115 INFO L321 Elim1Store]: treesize reduction 38, result has 48.6 percent of original size [2022-11-25 23:58:38,119 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 58 treesize of output 68 [2022-11-25 23:58:38,166 INFO L321 Elim1Store]: treesize reduction 34, result has 41.4 percent of original size [2022-11-25 23:58:38,167 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 22 treesize of output 38 [2022-11-25 23:58:38,232 INFO L321 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2022-11-25 23:58:38,233 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 32 treesize of output 53 [2022-11-25 23:58:38,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:58:38,251 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 8 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 22 [2022-11-25 23:58:38,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:58:38,266 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 8 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 22 [2022-11-25 23:58:38,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:58:38,440 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:58:38,441 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:58:38,587 INFO L321 Elim1Store]: treesize reduction 169, result has 17.6 percent of original size [2022-11-25 23:58:38,587 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 4 case distinctions, treesize of input 322 treesize of output 308 [2022-11-25 23:58:38,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:58:38,631 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:58:38,632 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:58:38,800 INFO L321 Elim1Store]: treesize reduction 137, result has 33.2 percent of original size [2022-11-25 23:58:38,801 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 4 case distinctions, treesize of input 304 treesize of output 322 [2022-11-25 23:58:38,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:58:38,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:58:38,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:58:38,849 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:58:38,893 INFO L321 Elim1Store]: treesize reduction 69, result has 19.8 percent of original size [2022-11-25 23:58:38,894 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 265 treesize of output 252 [2022-11-25 23:58:38,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:58:38,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:58:38,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:58:38,954 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:58:38,994 INFO L321 Elim1Store]: treesize reduction 69, result has 19.8 percent of original size [2022-11-25 23:58:38,995 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 274 treesize of output 265 [2022-11-25 23:58:39,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:58:39,035 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:58:39,095 INFO L321 Elim1Store]: treesize reduction 92, result has 24.6 percent of original size [2022-11-25 23:58:39,095 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 266 treesize of output 270 [2022-11-25 23:58:39,255 INFO L321 Elim1Store]: treesize reduction 128, result has 22.4 percent of original size [2022-11-25 23:58:39,256 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 249 treesize of output 269 [2022-11-25 23:58:39,366 INFO L321 Elim1Store]: treesize reduction 78, result has 20.4 percent of original size [2022-11-25 23:58:39,366 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 242 treesize of output 251 [2022-11-25 23:58:41,342 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-25 23:58:41,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:58:41,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:58:41,365 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:58:41,403 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-11-25 23:58:41,404 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 23 [2022-11-25 23:58:41,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:58:41,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:58:41,423 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:58:41,440 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-25 23:58:41,440 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 19 [2022-11-25 23:58:41,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:58:41,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:58:41,468 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:58:41,483 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-11-25 23:58:41,483 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 30 [2022-11-25 23:58:41,507 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-25 23:58:41,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:58:41,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:58:41,660 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:58:41,695 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-11-25 23:58:41,696 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 23 [2022-11-25 23:58:41,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:58:41,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:58:41,713 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:58:41,730 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-25 23:58:41,730 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 19 [2022-11-25 23:58:41,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:58:41,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:58:41,755 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:58:41,769 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-11-25 23:58:41,770 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 30 [2022-11-25 23:58:41,793 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-25 23:58:41,802 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-25 23:58:41,830 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-25 23:58:42,242 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '348#(and (<= 0 |#NULL.base|) (<= 0 |ULTIMATE.start_main_~tail~0#1.offset|) (<= |#NULL.offset| 0) (or (< (select (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) |ULTIMATE.start_main_~p~0#1.offset|) 10) (not (<= (select (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) |ULTIMATE.start_main_~p~0#1.offset|) 20))) (<= 0 |ULTIMATE.start_main_~list~0#1.offset|) (= |ULTIMATE.start_main_~list~0#1.offset| |ULTIMATE.start_main_~p~0#1.offset|) (<= |#NULL.base| 0) (<= |ULTIMATE.start_main_~list~0#1.offset| 0) (<= 0 |#NULL.offset|) (<= 0 |#StackHeapBarrier|) (not (= 0 |ULTIMATE.start_main_~p~0#1.base|)) (<= |ULTIMATE.start_main_~tail~0#1.offset| 0) (= |ULTIMATE.start_main_~list~0#1.base| |ULTIMATE.start_main_~p~0#1.base|))' at error location [2022-11-25 23:58:42,242 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-25 23:58:42,242 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 23:58:42,243 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2022-11-25 23:58:42,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [382053546] [2022-11-25 23:58:42,243 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 23:58:42,243 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-25 23:58:42,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:58:42,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-25 23:58:42,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=252, Unknown=0, NotChecked=0, Total=306 [2022-11-25 23:58:42,244 INFO L87 Difference]: Start difference. First operand 20 states and 26 transitions. Second operand has 12 states, 12 states have (on average 2.6666666666666665) internal successors, (32), 11 states have internal predecessors, (32), 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) [2022-11-25 23:58:43,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:58:43,077 INFO L93 Difference]: Finished difference Result 33 states and 42 transitions. [2022-11-25 23:58:43,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-25 23:58:43,078 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 2.6666666666666665) internal successors, (32), 11 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-11-25 23:58:43,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:58:43,079 INFO L225 Difference]: With dead ends: 33 [2022-11-25 23:58:43,079 INFO L226 Difference]: Without dead ends: 31 [2022-11-25 23:58:43,080 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 152 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=144, Invalid=506, Unknown=0, NotChecked=0, Total=650 [2022-11-25 23:58:43,080 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 58 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-25 23:58:43,081 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 58 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-25 23:58:43,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2022-11-25 23:58:43,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 22. [2022-11-25 23:58:43,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 21 states have (on average 1.380952380952381) internal successors, (29), 21 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:58:43,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 29 transitions. [2022-11-25 23:58:43,090 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 29 transitions. Word has length 12 [2022-11-25 23:58:43,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:58:43,091 INFO L495 AbstractCegarLoop]: Abstraction has 22 states and 29 transitions. [2022-11-25 23:58:43,091 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.6666666666666665) internal successors, (32), 11 states have internal predecessors, (32), 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) [2022-11-25 23:58:43,091 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 29 transitions. [2022-11-25 23:58:43,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-25 23:58:43,092 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:58:43,092 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:58:43,099 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31e69689-70b4-4aee-9632-e040b82ed28b/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-25 23:58:43,295 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31e69689-70b4-4aee-9632-e040b82ed28b/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:58:43,296 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:58:43,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:58:43,296 INFO L85 PathProgramCache]: Analyzing trace with hash -1762222490, now seen corresponding path program 1 times [2022-11-25 23:58:43,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:58:43,297 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [763144984] [2022-11-25 23:58:43,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:58:43,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:58:43,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:58:44,325 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:58:44,325 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:58:44,326 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [763144984] [2022-11-25 23:58:44,326 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [763144984] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 23:58:44,326 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [703181229] [2022-11-25 23:58:44,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:58:44,326 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:58:44,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31e69689-70b4-4aee-9632-e040b82ed28b/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:58:44,328 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31e69689-70b4-4aee-9632-e040b82ed28b/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:58:44,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31e69689-70b4-4aee-9632-e040b82ed28b/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-25 23:58:44,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:58:44,439 INFO L263 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 50 conjunts are in the unsatisfiable core [2022-11-25 23:58:44,442 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:58:44,452 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-25 23:58:44,462 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-25 23:58:44,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:58:44,544 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 29 [2022-11-25 23:58:44,553 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 16 [2022-11-25 23:58:44,575 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-25 23:58:44,578 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 61 treesize of output 60 [2022-11-25 23:58:44,587 INFO L321 Elim1Store]: treesize reduction 4, result has 71.4 percent of original size [2022-11-25 23:58:44,587 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 17 treesize of output 17 [2022-11-25 23:58:44,592 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 22 [2022-11-25 23:58:44,598 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 22 treesize of output 24 [2022-11-25 23:58:44,606 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 23 treesize of output 25 [2022-11-25 23:58:44,615 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2022-11-25 23:58:44,801 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 32 [2022-11-25 23:58:44,806 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 24 [2022-11-25 23:58:44,813 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-11-25 23:58:44,859 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 39 [2022-11-25 23:58:44,872 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:58:44,872 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 23:58:45,201 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:58:45,201 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 129 treesize of output 130 [2022-11-25 23:58:45,211 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:58:45,212 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 123 treesize of output 114 [2022-11-25 23:58:45,230 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:58:45,231 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 294 treesize of output 215 [2022-11-25 23:58:45,245 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:58:45,245 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 197 treesize of output 168 [2022-11-25 23:58:45,276 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:58:45,276 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 312 treesize of output 293 [2022-11-25 23:58:45,292 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 277 treesize of output 261 [2022-11-25 23:58:45,303 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 261 treesize of output 245 [2022-11-25 23:58:53,304 WARN L859 $PredicateComparison]: unable to prove that (let ((.cse39 (select |c_#memory_int| |c_ULTIMATE.start_main_~tail~0#1.base|)) (.cse40 (+ |c_ULTIMATE.start_main_~tail~0#1.offset| 4)) (.cse54 (not (= (select |c_#valid| |c_ULTIMATE.start_main_~list~0#1.base|) 0)))) (let ((.cse42 (or (forall ((v_arrayElimCell_96 Int) (v_ArrVal_243 Int) (v_ArrVal_256 (Array Int Int)) (v_arrayElimCell_97 Int)) (let ((.cse150 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~tail~0#1.base| (store .cse39 .cse40 v_ArrVal_243)) |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_256) v_arrayElimCell_97))) (or (<= (select .cse150 0) 20) (<= (select .cse150 v_arrayElimCell_96) 20)))) .cse54)) (.cse55 (or (forall ((v_arrayElimCell_96 Int) (v_ArrVal_243 Int) (v_ArrVal_253 (Array Int Int)) (v_arrayElimCell_97 Int)) (let ((.cse149 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~tail~0#1.base| (store .cse39 .cse40 v_ArrVal_243)) |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_253) v_arrayElimCell_97))) (or (<= 10 (select .cse149 v_arrayElimCell_96)) (<= 10 (select .cse149 0))))) .cse54)) (.cse0 (or (forall ((v_arrayElimCell_93 Int) (v_arrayElimCell_96 Int) (v_ArrVal_243 Int) (v_ArrVal_253 (Array Int Int)) (v_arrayElimCell_97 Int)) (let ((.cse148 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~tail~0#1.base| (store .cse39 .cse40 v_ArrVal_243)) |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_253))) (or (<= 10 (select (select .cse148 v_arrayElimCell_93) v_arrayElimCell_96)) (<= 10 (select (select .cse148 v_arrayElimCell_97) v_arrayElimCell_96))))) .cse54)) (.cse1 (forall ((v_arrayElimCell_95 Int) (v_arrayElimCell_92 Int)) (or (not (= (select |c_#valid| v_arrayElimCell_92) 0)) (forall ((v_arrayElimArr_11 (Array Int Int)) (v_arrayElimCell_93 Int) (v_ArrVal_243 Int) (v_ArrVal_256 (Array Int Int))) (let ((.cse147 (select v_arrayElimArr_11 0))) (or (<= (select (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~tail~0#1.base| (store .cse39 .cse40 v_ArrVal_243)) v_arrayElimCell_92 v_arrayElimArr_11) |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_256) v_arrayElimCell_93) v_arrayElimCell_95) 20) (< .cse147 10) (< 20 .cse147)))) (= |c_ULTIMATE.start_main_~list~0#1.base| v_arrayElimCell_92)))) (.cse2 (forall ((v_arrayElimCell_95 Int) (v_arrayElimCell_92 Int)) (or (forall ((v_arrayElimArr_11 (Array Int Int)) (v_arrayElimCell_93 Int) (v_arrayElimCell_96 Int) (v_ArrVal_243 Int) (v_ArrVal_256 (Array Int Int)) (v_arrayElimCell_97 Int)) (let ((.cse144 (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~tail~0#1.base| (store .cse39 .cse40 v_ArrVal_243)) v_arrayElimCell_92 v_arrayElimArr_11) |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_256))) (let ((.cse146 (select .cse144 v_arrayElimCell_97)) (.cse145 (select v_arrayElimArr_11 0))) (or (<= (select (select .cse144 v_arrayElimCell_93) v_arrayElimCell_95) 20) (< .cse145 10) (<= (select .cse146 v_arrayElimCell_95) 20) (<= (select .cse146 v_arrayElimCell_96) 20) (< 20 .cse145))))) (not (= (select |c_#valid| v_arrayElimCell_92) 0)) (= |c_ULTIMATE.start_main_~list~0#1.base| v_arrayElimCell_92)))) (.cse4 (forall ((v_arrayElimCell_95 Int) (v_arrayElimCell_92 Int)) (or (forall ((v_arrayElimArr_11 (Array Int Int)) (v_arrayElimCell_93 Int) (v_arrayElimCell_96 Int) (v_ArrVal_243 Int) (v_ArrVal_253 (Array Int Int)) (v_arrayElimCell_97 Int)) (let ((.cse142 (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~tail~0#1.base| (store .cse39 .cse40 v_ArrVal_243)) v_arrayElimCell_92 v_arrayElimArr_11) |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_253))) (let ((.cse141 (select .cse142 v_arrayElimCell_97)) (.cse143 (select v_arrayElimArr_11 0))) (or (<= 10 (select .cse141 v_arrayElimCell_95)) (<= 10 (select (select .cse142 v_arrayElimCell_93) v_arrayElimCell_95)) (<= 10 (select .cse141 v_arrayElimCell_96)) (< .cse143 10) (< 20 .cse143))))) (not (= (select |c_#valid| v_arrayElimCell_92) 0)) (= |c_ULTIMATE.start_main_~list~0#1.base| v_arrayElimCell_92)))) (.cse6 (or (forall ((v_arrayElimCell_93 Int) (v_arrayElimCell_96 Int) (v_arrayElimCell_95 Int) (v_ArrVal_243 Int) (v_ArrVal_253 (Array Int Int)) (v_arrayElimCell_97 Int)) (let ((.cse139 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~tail~0#1.base| (store .cse39 .cse40 v_ArrVal_243)) |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_253))) (let ((.cse140 (select .cse139 v_arrayElimCell_97))) (or (<= 10 (select (select .cse139 v_arrayElimCell_93) v_arrayElimCell_96)) (<= 10 (select .cse140 v_arrayElimCell_96)) (<= 10 (select .cse140 v_arrayElimCell_95)))))) .cse54)) (.cse7 (forall ((v_arrayElimCell_95 Int) (v_arrayElimCell_92 Int)) (or (not (= (select |c_#valid| v_arrayElimCell_92) 0)) (forall ((v_arrayElimArr_11 (Array Int Int)) (v_arrayElimCell_93 Int)) (let ((.cse138 (select v_arrayElimArr_11 0))) (or (forall ((v_ArrVal_243 Int) (v_ArrVal_256 (Array Int Int))) (let ((.cse137 (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~tail~0#1.base| (store .cse39 .cse40 v_ArrVal_243)) v_arrayElimCell_92 v_arrayElimArr_11) |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_256))) (let ((.cse136 (select .cse137 v_arrayElimCell_93))) (or (<= (select .cse136 v_arrayElimCell_95) 20) (forall ((v_arrayElimCell_96 Int) (v_arrayElimCell_97 Int)) (or (<= (select .cse136 v_arrayElimCell_96) 20) (<= (select (select .cse137 v_arrayElimCell_97) v_arrayElimCell_96) 20))))))) (< .cse138 10) (< 20 .cse138))))))) (.cse10 (forall ((v_arrayElimCell_95 Int) (v_arrayElimCell_92 Int)) (or (forall ((v_arrayElimArr_11 (Array Int Int)) (v_arrayElimCell_93 Int)) (let ((.cse135 (select v_arrayElimArr_11 0))) (or (forall ((v_arrayElimCell_96 Int) (v_ArrVal_243 Int) (v_ArrVal_253 (Array Int Int)) (v_arrayElimCell_97 Int)) (let ((.cse134 (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~tail~0#1.base| (store .cse39 .cse40 v_ArrVal_243)) v_arrayElimCell_92 v_arrayElimArr_11) |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_253))) (let ((.cse132 (select .cse134 v_arrayElimCell_97)) (.cse133 (select .cse134 v_arrayElimCell_93))) (or (<= 10 (select .cse132 v_arrayElimCell_95)) (<= 10 (select .cse133 v_arrayElimCell_95)) (<= 10 (select .cse132 v_arrayElimCell_96)) (<= 10 (select .cse133 v_arrayElimCell_96)))))) (< .cse135 10) (< 20 .cse135)))) (not (= (select |c_#valid| v_arrayElimCell_92) 0))))) (.cse14 (forall ((v_arrayElimCell_95 Int) (v_arrayElimCell_92 Int)) (or (forall ((v_arrayElimArr_11 (Array Int Int)) (v_arrayElimCell_93 Int)) (let ((.cse129 (select v_arrayElimArr_11 0))) (or (< .cse129 10) (forall ((v_ArrVal_243 Int) (v_ArrVal_253 (Array Int Int))) (let ((.cse131 (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~tail~0#1.base| (store .cse39 .cse40 v_ArrVal_243)) v_arrayElimCell_92 v_arrayElimArr_11) |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_253))) (let ((.cse130 (select .cse131 v_arrayElimCell_93))) (or (<= 10 (select .cse130 v_arrayElimCell_95)) (forall ((v_arrayElimCell_96 Int) (v_arrayElimCell_97 Int)) (or (<= 10 (select (select .cse131 v_arrayElimCell_97) v_arrayElimCell_96)) (<= 10 (select .cse130 v_arrayElimCell_96)))))))) (< 20 .cse129)))) (not (= (select |c_#valid| v_arrayElimCell_92) 0))))) (.cse15 (forall ((v_arrayElimCell_95 Int) (v_arrayElimCell_92 Int)) (or (forall ((v_arrayElimArr_11 (Array Int Int)) (v_arrayElimCell_93 Int) (v_arrayElimCell_96 Int) (v_ArrVal_243 Int) (v_ArrVal_253 (Array Int Int)) (v_arrayElimCell_97 Int)) (let ((.cse127 (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~tail~0#1.base| (store .cse39 .cse40 v_ArrVal_243)) v_arrayElimCell_92 v_arrayElimArr_11) |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_253)) (.cse128 (select v_arrayElimArr_11 0))) (or (<= 10 (select (select .cse127 v_arrayElimCell_93) v_arrayElimCell_95)) (<= 10 (select (select .cse127 v_arrayElimCell_97) v_arrayElimCell_96)) (< .cse128 10) (< 20 .cse128)))) (not (= (select |c_#valid| v_arrayElimCell_92) 0)) (= |c_ULTIMATE.start_main_~list~0#1.base| v_arrayElimCell_92)))) (.cse16 (or (forall ((v_arrayElimCell_96 Int) (v_ArrVal_243 Int) (v_ArrVal_256 (Array Int Int)) (v_arrayElimCell_97 Int)) (<= (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~tail~0#1.base| (store .cse39 .cse40 v_ArrVal_243)) |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_256) v_arrayElimCell_97) v_arrayElimCell_96) 20)) .cse54)) (.cse20 (forall ((v_arrayElimCell_95 Int) (v_arrayElimCell_92 Int)) (or (not (= (select |c_#valid| v_arrayElimCell_92) 0)) (forall ((v_arrayElimArr_11 (Array Int Int)) (v_arrayElimCell_93 Int)) (let ((.cse126 (select v_arrayElimArr_11 0))) (or (forall ((v_arrayElimCell_96 Int) (v_ArrVal_243 Int) (v_ArrVal_256 (Array Int Int)) (v_arrayElimCell_97 Int)) (let ((.cse125 (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~tail~0#1.base| (store .cse39 .cse40 v_ArrVal_243)) v_arrayElimCell_92 v_arrayElimArr_11) |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_256))) (let ((.cse123 (select .cse125 v_arrayElimCell_93)) (.cse124 (select .cse125 v_arrayElimCell_97))) (or (<= (select .cse123 v_arrayElimCell_95) 20) (<= (select .cse123 v_arrayElimCell_96) 20) (<= (select .cse124 v_arrayElimCell_95) 20) (<= (select .cse124 v_arrayElimCell_96) 20))))) (< .cse126 10) (< 20 .cse126))))))) (.cse21 (or (forall ((v_arrayElimCell_93 Int) (v_arrayElimCell_96 Int) (v_ArrVal_243 Int) (v_ArrVal_256 (Array Int Int)) (v_arrayElimCell_97 Int)) (let ((.cse122 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~tail~0#1.base| (store .cse39 .cse40 v_ArrVal_243)) |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_256))) (or (<= (select (select .cse122 v_arrayElimCell_93) v_arrayElimCell_96) 20) (<= (select (select .cse122 v_arrayElimCell_97) v_arrayElimCell_96) 20)))) .cse54)) (.cse24 (or (forall ((v_arrayElimCell_93 Int) (v_arrayElimCell_96 Int) (v_arrayElimCell_95 Int) (v_ArrVal_243 Int) (v_ArrVal_256 (Array Int Int)) (v_arrayElimCell_97 Int)) (let ((.cse120 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~tail~0#1.base| (store .cse39 .cse40 v_ArrVal_243)) |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_256))) (let ((.cse121 (select .cse120 v_arrayElimCell_97))) (or (<= (select (select .cse120 v_arrayElimCell_93) v_arrayElimCell_96) 20) (<= (select .cse121 v_arrayElimCell_96) 20) (<= (select .cse121 v_arrayElimCell_95) 20))))) .cse54)) (.cse25 (or (forall ((v_arrayElimCell_96 Int) (v_arrayElimCell_95 Int) (v_ArrVal_243 Int) (v_ArrVal_256 (Array Int Int)) (v_arrayElimCell_97 Int)) (let ((.cse119 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~tail~0#1.base| (store .cse39 .cse40 v_ArrVal_243)) |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_256) v_arrayElimCell_97))) (or (<= (select .cse119 v_arrayElimCell_96) 20) (<= (select .cse119 v_arrayElimCell_95) 20)))) .cse54)) (.cse27 (forall ((v_arrayElimCell_95 Int) (v_arrayElimCell_92 Int)) (or (forall ((v_arrayElimArr_11 (Array Int Int)) (v_arrayElimCell_93 Int) (v_arrayElimCell_96 Int) (v_ArrVal_243 Int) (v_ArrVal_256 (Array Int Int)) (v_arrayElimCell_97 Int)) (let ((.cse117 (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~tail~0#1.base| (store .cse39 .cse40 v_ArrVal_243)) v_arrayElimCell_92 v_arrayElimArr_11) |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_256)) (.cse118 (select v_arrayElimArr_11 0))) (or (<= (select (select .cse117 v_arrayElimCell_93) v_arrayElimCell_95) 20) (< .cse118 10) (<= (select (select .cse117 v_arrayElimCell_97) v_arrayElimCell_96) 20) (< 20 .cse118)))) (not (= (select |c_#valid| v_arrayElimCell_92) 0)) (= |c_ULTIMATE.start_main_~list~0#1.base| v_arrayElimCell_92)))) (.cse28 (or .cse54 (forall ((v_arrayElimCell_96 Int) (v_arrayElimCell_95 Int) (v_ArrVal_243 Int) (v_ArrVal_253 (Array Int Int)) (v_arrayElimCell_97 Int)) (let ((.cse116 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~tail~0#1.base| (store .cse39 .cse40 v_ArrVal_243)) |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_253) v_arrayElimCell_97))) (or (<= 10 (select .cse116 v_arrayElimCell_96)) (<= 10 (select .cse116 v_arrayElimCell_95))))))) (.cse29 (forall ((v_arrayElimCell_95 Int) (v_arrayElimCell_92 Int)) (or (not (= (select |c_#valid| v_arrayElimCell_92) 0)) (forall ((v_arrayElimArr_11 (Array Int Int)) (v_arrayElimCell_93 Int) (v_ArrVal_243 Int) (v_ArrVal_253 (Array Int Int))) (let ((.cse115 (select v_arrayElimArr_11 0))) (or (<= 10 (select (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~tail~0#1.base| (store .cse39 .cse40 v_ArrVal_243)) v_arrayElimCell_92 v_arrayElimArr_11) |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_253) v_arrayElimCell_93) v_arrayElimCell_95)) (< .cse115 10) (< 20 .cse115)))) (= |c_ULTIMATE.start_main_~list~0#1.base| v_arrayElimCell_92)))) (.cse33 (or (forall ((v_arrayElimCell_96 Int) (v_ArrVal_243 Int) (v_ArrVal_253 (Array Int Int)) (v_arrayElimCell_97 Int)) (<= 10 (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~tail~0#1.base| (store .cse39 .cse40 v_ArrVal_243)) |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_253) v_arrayElimCell_97) v_arrayElimCell_96))) .cse54))) (let ((.cse31 (= |c_ULTIMATE.start_main_~tail~0#1.offset| |c_ULTIMATE.start_main_~list~0#1.offset|)) (.cse3 (or (forall ((v_arrayElimCell_96 Int) (v_arrayElimCell_95 Int) (v_ArrVal_243 Int) (v_ArrVal_256 (Array Int Int)) (v_arrayElimCell_97 Int)) (let ((.cse114 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~tail~0#1.base| (store .cse39 .cse40 v_ArrVal_243)) |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_256) v_arrayElimCell_97))) (or (<= (select v_ArrVal_256 v_arrayElimCell_96) 20) (<= (select .cse114 v_arrayElimCell_96) 20) (<= (select .cse114 v_arrayElimCell_95) 20)))) .cse54)) (.cse5 (forall ((v_arrayElimCell_95 Int) (v_arrayElimCell_92 Int)) (or (forall ((v_arrayElimArr_11 (Array Int Int))) (let ((.cse113 (select v_arrayElimArr_11 0))) (or (forall ((v_arrayElimCell_96 Int) (v_ArrVal_243 Int) (v_ArrVal_256 (Array Int Int)) (v_arrayElimCell_97 Int)) (let ((.cse112 (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~tail~0#1.base| (store .cse39 .cse40 v_ArrVal_243)) v_arrayElimCell_92 v_arrayElimArr_11) |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_256))) (let ((.cse110 (select .cse112 v_arrayElimCell_92)) (.cse111 (select .cse112 v_arrayElimCell_97))) (or (<= (select .cse110 v_arrayElimCell_96) 20) (<= (select .cse110 v_arrayElimCell_95) 20) (<= (select .cse111 v_arrayElimCell_95) 20) (<= (select .cse111 v_arrayElimCell_96) 20))))) (< .cse113 10) (< 20 .cse113)))) (not (= (select |c_#valid| v_arrayElimCell_92) 0))))) (.cse8 (forall ((v_arrayElimCell_95 Int) (v_arrayElimCell_92 Int)) (or (not (= (select |c_#valid| v_arrayElimCell_92) 0)) (forall ((v_arrayElimArr_11 (Array Int Int))) (let ((.cse109 (select v_arrayElimArr_11 0))) (or (forall ((v_arrayElimCell_96 Int) (v_ArrVal_243 Int) (v_ArrVal_253 (Array Int Int)) (v_arrayElimCell_97 Int)) (let ((.cse108 (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~tail~0#1.base| (store .cse39 .cse40 v_ArrVal_243)) v_arrayElimCell_92 v_arrayElimArr_11) |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_253))) (let ((.cse106 (select .cse108 v_arrayElimCell_97)) (.cse107 (select .cse108 v_arrayElimCell_92))) (or (<= 10 (select .cse106 v_arrayElimCell_95)) (<= 10 (select .cse106 v_arrayElimCell_96)) (<= 10 (select .cse107 v_arrayElimCell_96)) (<= 10 (select .cse107 v_arrayElimCell_95)))))) (< .cse109 10) (< 20 .cse109))))))) (.cse9 (forall ((v_arrayElimCell_95 Int) (v_arrayElimCell_92 Int)) (or (not (= (select |c_#valid| v_arrayElimCell_92) 0)) (forall ((v_arrayElimArr_11 (Array Int Int)) (v_ArrVal_243 Int) (v_ArrVal_253 (Array Int Int))) (let ((.cse105 (select v_arrayElimArr_11 0))) (or (< .cse105 10) (<= 10 (select (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~tail~0#1.base| (store .cse39 .cse40 v_ArrVal_243)) v_arrayElimCell_92 v_arrayElimArr_11) |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_253) v_arrayElimCell_92) v_arrayElimCell_95)) (< 20 .cse105)))) (= |c_ULTIMATE.start_main_~list~0#1.base| v_arrayElimCell_92)))) (.cse13 (forall ((v_arrayElimCell_95 Int) (v_arrayElimCell_92 Int)) (or (not (= (select |c_#valid| v_arrayElimCell_92) 0)) (forall ((v_arrayElimArr_11 (Array Int Int))) (let ((.cse102 (select v_arrayElimArr_11 0))) (or (< .cse102 10) (forall ((v_ArrVal_243 Int) (v_ArrVal_256 (Array Int Int))) (let ((.cse104 (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~tail~0#1.base| (store .cse39 .cse40 v_ArrVal_243)) v_arrayElimCell_92 v_arrayElimArr_11) |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_256))) (let ((.cse103 (select .cse104 v_arrayElimCell_92))) (or (forall ((v_arrayElimCell_96 Int) (v_arrayElimCell_97 Int)) (or (<= (select .cse103 v_arrayElimCell_96) 20) (<= (select (select .cse104 v_arrayElimCell_97) v_arrayElimCell_96) 20))) (<= (select .cse103 v_arrayElimCell_95) 20))))) (< 20 .cse102))))))) (.cse17 (forall ((v_arrayElimCell_95 Int) (v_arrayElimCell_92 Int)) (or (not (= (select |c_#valid| v_arrayElimCell_92) 0)) (forall ((v_arrayElimArr_11 (Array Int Int)) (v_arrayElimCell_96 Int) (v_ArrVal_243 Int) (v_ArrVal_253 (Array Int Int)) (v_arrayElimCell_97 Int)) (let ((.cse100 (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~tail~0#1.base| (store .cse39 .cse40 v_ArrVal_243)) v_arrayElimCell_92 v_arrayElimArr_11) |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_253)) (.cse101 (select v_arrayElimArr_11 0))) (or (<= 10 (select (select .cse100 v_arrayElimCell_97) v_arrayElimCell_96)) (< .cse101 10) (<= 10 (select (select .cse100 v_arrayElimCell_92) v_arrayElimCell_95)) (< 20 .cse101)))) (= |c_ULTIMATE.start_main_~list~0#1.base| v_arrayElimCell_92)))) (.cse18 (forall ((v_arrayElimCell_95 Int) (v_arrayElimCell_92 Int)) (or (not (= (select |c_#valid| v_arrayElimCell_92) 0)) (forall ((v_arrayElimArr_11 (Array Int Int)) (v_arrayElimCell_96 Int) (v_ArrVal_243 Int) (v_ArrVal_256 (Array Int Int)) (v_arrayElimCell_97 Int)) (let ((.cse99 (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~tail~0#1.base| (store .cse39 .cse40 v_ArrVal_243)) v_arrayElimCell_92 v_arrayElimArr_11) |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_256)) (.cse98 (select v_arrayElimArr_11 0))) (or (< .cse98 10) (<= (select (select .cse99 v_arrayElimCell_92) v_arrayElimCell_95) 20) (<= (select (select .cse99 v_arrayElimCell_97) v_arrayElimCell_96) 20) (< 20 .cse98)))) (= |c_ULTIMATE.start_main_~list~0#1.base| v_arrayElimCell_92)))) (.cse19 (forall ((v_arrayElimCell_95 Int) (v_arrayElimCell_92 Int)) (or (not (= (select |c_#valid| v_arrayElimCell_92) 0)) (forall ((v_arrayElimArr_11 (Array Int Int)) (v_arrayElimCell_96 Int) (v_ArrVal_243 Int) (v_ArrVal_253 (Array Int Int)) (v_arrayElimCell_97 Int)) (let ((.cse97 (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~tail~0#1.base| (store .cse39 .cse40 v_ArrVal_243)) v_arrayElimCell_92 v_arrayElimArr_11) |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_253))) (let ((.cse95 (select .cse97 v_arrayElimCell_97)) (.cse96 (select v_arrayElimArr_11 0))) (or (<= 10 (select .cse95 v_arrayElimCell_95)) (<= 10 (select .cse95 v_arrayElimCell_96)) (< .cse96 10) (<= 10 (select (select .cse97 v_arrayElimCell_92) v_arrayElimCell_95)) (< 20 .cse96))))) (= |c_ULTIMATE.start_main_~list~0#1.base| v_arrayElimCell_92)))) (.cse22 (or (forall ((v_arrayElimCell_96 Int) (v_arrayElimCell_95 Int) (v_ArrVal_243 Int) (v_ArrVal_253 (Array Int Int)) (v_arrayElimCell_97 Int)) (let ((.cse94 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~tail~0#1.base| (store .cse39 .cse40 v_ArrVal_243)) |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_253) v_arrayElimCell_97))) (or (<= 10 (select .cse94 v_arrayElimCell_96)) (<= 10 (select v_ArrVal_253 v_arrayElimCell_96)) (<= 10 (select .cse94 v_arrayElimCell_95))))) .cse54)) (.cse23 (forall ((v_arrayElimCell_95 Int) (v_arrayElimCell_92 Int)) (or (forall ((v_arrayElimArr_11 (Array Int Int)) (v_ArrVal_243 Int) (v_ArrVal_256 (Array Int Int))) (let ((.cse93 (select v_arrayElimArr_11 0))) (or (< .cse93 10) (<= (select (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~tail~0#1.base| (store .cse39 .cse40 v_ArrVal_243)) v_arrayElimCell_92 v_arrayElimArr_11) |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_256) v_arrayElimCell_92) v_arrayElimCell_95) 20) (< 20 .cse93)))) (not (= (select |c_#valid| v_arrayElimCell_92) 0)) (= |c_ULTIMATE.start_main_~list~0#1.base| v_arrayElimCell_92)))) (.cse32 (and .cse0 .cse1 .cse2 .cse4 .cse6 .cse7 .cse10 .cse14 .cse15 .cse16 .cse20 .cse21 .cse24 .cse25 .cse27 .cse28 .cse29 .cse33)) (.cse26 (forall ((v_arrayElimCell_95 Int) (v_arrayElimCell_92 Int)) (or (not (= (select |c_#valid| v_arrayElimCell_92) 0)) (forall ((v_arrayElimArr_11 (Array Int Int)) (v_arrayElimCell_96 Int) (v_ArrVal_243 Int) (v_ArrVal_256 (Array Int Int)) (v_arrayElimCell_97 Int)) (let ((.cse91 (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~tail~0#1.base| (store .cse39 .cse40 v_ArrVal_243)) v_arrayElimCell_92 v_arrayElimArr_11) |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_256))) (let ((.cse92 (select .cse91 v_arrayElimCell_97)) (.cse90 (select v_arrayElimArr_11 0))) (or (< .cse90 10) (<= (select (select .cse91 v_arrayElimCell_92) v_arrayElimCell_95) 20) (<= (select .cse92 v_arrayElimCell_95) 20) (<= (select .cse92 v_arrayElimCell_96) 20) (< 20 .cse90))))) (= |c_ULTIMATE.start_main_~list~0#1.base| v_arrayElimCell_92)))) (.cse30 (forall ((v_arrayElimCell_95 Int) (v_arrayElimCell_92 Int)) (or (forall ((v_arrayElimArr_11 (Array Int Int))) (let ((.cse87 (select v_arrayElimArr_11 0))) (or (< .cse87 10) (forall ((v_ArrVal_243 Int) (v_ArrVal_253 (Array Int Int))) (let ((.cse89 (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~tail~0#1.base| (store .cse39 .cse40 v_ArrVal_243)) v_arrayElimCell_92 v_arrayElimArr_11) |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_253))) (let ((.cse88 (select .cse89 v_arrayElimCell_92))) (or (<= 10 (select .cse88 v_arrayElimCell_95)) (forall ((v_arrayElimCell_96 Int) (v_arrayElimCell_97 Int)) (or (<= 10 (select (select .cse89 v_arrayElimCell_97) v_arrayElimCell_96)) (<= 10 (select .cse88 v_arrayElimCell_96)))))))) (< 20 .cse87)))) (not (= (select |c_#valid| v_arrayElimCell_92) 0))))) (.cse11 (or (forall ((v_arrayElimCell_96 Int) (v_ArrVal_243 Int) (v_ArrVal_256 (Array Int Int)) (v_arrayElimCell_97 Int)) (or (<= (select v_ArrVal_256 v_arrayElimCell_96) 20) (<= (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~tail~0#1.base| (store .cse39 .cse40 v_ArrVal_243)) |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_256) v_arrayElimCell_97) v_arrayElimCell_96) 20))) .cse54)) (.cse12 (or (forall ((v_arrayElimCell_96 Int) (v_ArrVal_243 Int) (v_ArrVal_253 (Array Int Int)) (v_arrayElimCell_97 Int)) (or (<= 10 (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~tail~0#1.base| (store .cse39 .cse40 v_ArrVal_243)) |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_253) v_arrayElimCell_97) v_arrayElimCell_96)) (<= 10 (select v_ArrVal_253 v_arrayElimCell_96)))) .cse54)) (.cse34 (= |c_ULTIMATE.start_main_~list~0#1.base| |c_ULTIMATE.start_main_~tail~0#1.base|)) (.cse41 (and (forall ((v_arrayElimCell_92 Int)) (or (not (= (select |c_#valid| v_arrayElimCell_92) 0)) (forall ((v_arrayElimArr_11 (Array Int Int)) (v_arrayElimCell_93 Int) (v_ArrVal_243 Int) (v_ArrVal_253 (Array Int Int))) (let ((.cse57 (select v_arrayElimArr_11 0))) (or (< .cse57 10) (<= 10 (select (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~tail~0#1.base| (store .cse39 .cse40 v_ArrVal_243)) v_arrayElimCell_92 v_arrayElimArr_11) |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_253) v_arrayElimCell_93) 0)) (< 20 .cse57)))) (= |c_ULTIMATE.start_main_~list~0#1.base| v_arrayElimCell_92))) .cse0 (forall ((v_arrayElimCell_92 Int)) (or (not (= (select |c_#valid| v_arrayElimCell_92) 0)) (forall ((v_arrayElimArr_11 (Array Int Int)) (v_arrayElimCell_93 Int)) (let ((.cse58 (select v_arrayElimArr_11 0))) (or (< .cse58 10) (forall ((v_ArrVal_243 Int) (v_ArrVal_256 (Array Int Int))) (let ((.cse60 (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~tail~0#1.base| (store .cse39 .cse40 v_ArrVal_243)) v_arrayElimCell_92 v_arrayElimArr_11) |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_256))) (let ((.cse59 (select .cse60 v_arrayElimCell_93))) (or (forall ((v_arrayElimCell_96 Int) (v_arrayElimCell_97 Int)) (or (<= (select .cse59 v_arrayElimCell_96) 20) (<= (select (select .cse60 v_arrayElimCell_97) v_arrayElimCell_96) 20))) (<= (select .cse59 0) 20))))) (< 20 .cse58)))))) (forall ((v_arrayElimCell_92 Int)) (or (forall ((v_arrayElimArr_11 (Array Int Int)) (v_arrayElimCell_93 Int)) (let ((.cse64 (select v_arrayElimArr_11 0))) (or (forall ((v_arrayElimCell_96 Int) (v_ArrVal_243 Int) (v_ArrVal_256 (Array Int Int)) (v_arrayElimCell_97 Int)) (let ((.cse63 (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~tail~0#1.base| (store .cse39 .cse40 v_ArrVal_243)) v_arrayElimCell_92 v_arrayElimArr_11) |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_256))) (let ((.cse61 (select .cse63 v_arrayElimCell_93)) (.cse62 (select .cse63 v_arrayElimCell_97))) (or (<= (select .cse61 0) 20) (<= (select .cse61 v_arrayElimCell_96) 20) (<= (select .cse62 v_arrayElimCell_96) 20) (<= (select .cse62 0) 20))))) (< .cse64 10) (< 20 .cse64)))) (not (= (select |c_#valid| v_arrayElimCell_92) 0)))) (forall ((v_arrayElimCell_92 Int)) (or (not (= (select |c_#valid| v_arrayElimCell_92) 0)) (forall ((v_arrayElimArr_11 (Array Int Int)) (v_arrayElimCell_93 Int) (v_arrayElimCell_96 Int) (v_ArrVal_243 Int) (v_ArrVal_253 (Array Int Int)) (v_arrayElimCell_97 Int)) (let ((.cse67 (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~tail~0#1.base| (store .cse39 .cse40 v_ArrVal_243)) v_arrayElimCell_92 v_arrayElimArr_11) |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_253))) (let ((.cse65 (select .cse67 v_arrayElimCell_97)) (.cse66 (select v_arrayElimArr_11 0))) (or (<= 10 (select .cse65 v_arrayElimCell_96)) (< .cse66 10) (<= 10 (select (select .cse67 v_arrayElimCell_93) 0)) (<= 10 (select .cse65 0)) (< 20 .cse66))))) (= |c_ULTIMATE.start_main_~list~0#1.base| v_arrayElimCell_92))) (or (forall ((v_arrayElimCell_93 Int) (v_arrayElimCell_96 Int) (v_ArrVal_243 Int) (v_ArrVal_256 (Array Int Int)) (v_arrayElimCell_97 Int)) (let ((.cse68 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~tail~0#1.base| (store .cse39 .cse40 v_ArrVal_243)) |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_256))) (let ((.cse69 (select .cse68 v_arrayElimCell_97))) (or (<= (select (select .cse68 v_arrayElimCell_93) v_arrayElimCell_96) 20) (<= (select .cse69 0) 20) (<= (select .cse69 v_arrayElimCell_96) 20))))) .cse54) (forall ((v_arrayElimCell_92 Int)) (or (not (= (select |c_#valid| v_arrayElimCell_92) 0)) (forall ((v_arrayElimArr_11 (Array Int Int)) (v_arrayElimCell_93 Int)) (let ((.cse70 (select v_arrayElimArr_11 0))) (or (< .cse70 10) (forall ((v_ArrVal_243 Int) (v_ArrVal_253 (Array Int Int))) (let ((.cse71 (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~tail~0#1.base| (store .cse39 .cse40 v_ArrVal_243)) v_arrayElimCell_92 v_arrayElimArr_11) |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_253))) (let ((.cse72 (select .cse71 v_arrayElimCell_93))) (or (forall ((v_arrayElimCell_96 Int) (v_arrayElimCell_97 Int)) (or (<= 10 (select (select .cse71 v_arrayElimCell_97) v_arrayElimCell_96)) (<= 10 (select .cse72 v_arrayElimCell_96)))) (<= 10 (select .cse72 0)))))) (< 20 .cse70)))))) .cse42 (or .cse54 (forall ((v_arrayElimCell_93 Int) (v_arrayElimCell_96 Int) (v_ArrVal_243 Int) (v_ArrVal_253 (Array Int Int)) (v_arrayElimCell_97 Int)) (let ((.cse73 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~tail~0#1.base| (store .cse39 .cse40 v_ArrVal_243)) |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_253))) (let ((.cse74 (select .cse73 v_arrayElimCell_97))) (or (<= 10 (select (select .cse73 v_arrayElimCell_93) v_arrayElimCell_96)) (<= 10 (select .cse74 v_arrayElimCell_96)) (<= 10 (select .cse74 0))))))) (forall ((v_arrayElimCell_92 Int)) (or (not (= (select |c_#valid| v_arrayElimCell_92) 0)) (forall ((v_arrayElimArr_11 (Array Int Int)) (v_arrayElimCell_93 Int)) (let ((.cse78 (select v_arrayElimArr_11 0))) (or (forall ((v_arrayElimCell_96 Int) (v_ArrVal_243 Int) (v_ArrVal_253 (Array Int Int)) (v_arrayElimCell_97 Int)) (let ((.cse77 (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~tail~0#1.base| (store .cse39 .cse40 v_ArrVal_243)) v_arrayElimCell_92 v_arrayElimArr_11) |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_253))) (let ((.cse76 (select .cse77 v_arrayElimCell_93)) (.cse75 (select .cse77 v_arrayElimCell_97))) (or (<= 10 (select .cse75 v_arrayElimCell_96)) (<= 10 (select .cse76 0)) (<= 10 (select .cse76 v_arrayElimCell_96)) (<= 10 (select .cse75 0)))))) (< .cse78 10) (< 20 .cse78)))))) (forall ((v_arrayElimCell_92 Int)) (or (forall ((v_arrayElimArr_11 (Array Int Int)) (v_arrayElimCell_93 Int) (v_arrayElimCell_96 Int) (v_ArrVal_243 Int) (v_ArrVal_253 (Array Int Int)) (v_arrayElimCell_97 Int)) (let ((.cse79 (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~tail~0#1.base| (store .cse39 .cse40 v_ArrVal_243)) v_arrayElimCell_92 v_arrayElimArr_11) |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_253)) (.cse80 (select v_arrayElimArr_11 0))) (or (<= 10 (select (select .cse79 v_arrayElimCell_97) v_arrayElimCell_96)) (< .cse80 10) (<= 10 (select (select .cse79 v_arrayElimCell_93) 0)) (< 20 .cse80)))) (not (= (select |c_#valid| v_arrayElimCell_92) 0)) (= |c_ULTIMATE.start_main_~list~0#1.base| v_arrayElimCell_92))) .cse16 (forall ((v_arrayElimCell_92 Int)) (or (not (= (select |c_#valid| v_arrayElimCell_92) 0)) (forall ((v_arrayElimArr_11 (Array Int Int)) (v_arrayElimCell_93 Int) (v_ArrVal_243 Int) (v_ArrVal_256 (Array Int Int))) (let ((.cse81 (select v_arrayElimArr_11 0))) (or (<= (select (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~tail~0#1.base| (store .cse39 .cse40 v_ArrVal_243)) v_arrayElimCell_92 v_arrayElimArr_11) |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_256) v_arrayElimCell_93) 0) 20) (< .cse81 10) (< 20 .cse81)))) (= |c_ULTIMATE.start_main_~list~0#1.base| v_arrayElimCell_92))) .cse21 (forall ((v_arrayElimCell_92 Int)) (or (forall ((v_arrayElimArr_11 (Array Int Int)) (v_arrayElimCell_93 Int) (v_arrayElimCell_96 Int) (v_ArrVal_243 Int) (v_ArrVal_256 (Array Int Int)) (v_arrayElimCell_97 Int)) (let ((.cse82 (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~tail~0#1.base| (store .cse39 .cse40 v_ArrVal_243)) v_arrayElimCell_92 v_arrayElimArr_11) |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_256))) (let ((.cse84 (select .cse82 v_arrayElimCell_97)) (.cse83 (select v_arrayElimArr_11 0))) (or (<= (select (select .cse82 v_arrayElimCell_93) 0) 20) (< .cse83 10) (<= (select .cse84 v_arrayElimCell_96) 20) (<= (select .cse84 0) 20) (< 20 .cse83))))) (not (= (select |c_#valid| v_arrayElimCell_92) 0)) (= |c_ULTIMATE.start_main_~list~0#1.base| v_arrayElimCell_92))) (forall ((v_arrayElimCell_92 Int)) (or (forall ((v_arrayElimArr_11 (Array Int Int)) (v_arrayElimCell_93 Int) (v_arrayElimCell_96 Int) (v_ArrVal_243 Int) (v_ArrVal_256 (Array Int Int)) (v_arrayElimCell_97 Int)) (let ((.cse85 (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~tail~0#1.base| (store .cse39 .cse40 v_ArrVal_243)) v_arrayElimCell_92 v_arrayElimArr_11) |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_256)) (.cse86 (select v_arrayElimArr_11 0))) (or (<= (select (select .cse85 v_arrayElimCell_93) 0) 20) (< .cse86 10) (<= (select (select .cse85 v_arrayElimCell_97) v_arrayElimCell_96) 20) (< 20 .cse86)))) (not (= (select |c_#valid| v_arrayElimCell_92) 0)) (= |c_ULTIMATE.start_main_~list~0#1.base| v_arrayElimCell_92))) .cse33 .cse55))) (and (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 (or .cse31 .cse32) .cse33) .cse34) (forall ((v_arrayElimCell_92 Int)) (or (not (= (select |c_#valid| v_arrayElimCell_92) 0)) (forall ((v_arrayElimArr_11 (Array Int Int))) (let ((.cse35 (select v_arrayElimArr_11 0))) (or (< .cse35 10) (forall ((v_arrayElimCell_96 Int) (v_ArrVal_243 Int) (v_ArrVal_253 (Array Int Int)) (v_arrayElimCell_97 Int)) (let ((.cse38 (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~tail~0#1.base| (store .cse39 .cse40 v_ArrVal_243)) v_arrayElimCell_92 v_arrayElimArr_11) |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_253))) (let ((.cse36 (select .cse38 v_arrayElimCell_92)) (.cse37 (select .cse38 v_arrayElimCell_97))) (or (<= 10 (select .cse36 0)) (<= 10 (select .cse37 v_arrayElimCell_96)) (<= 10 (select .cse36 v_arrayElimCell_96)) (<= 10 (select .cse37 0)))))) (< 20 .cse35)))))) (or .cse31 .cse41) .cse42 (forall ((v_arrayElimCell_92 Int)) (or (not (= (select |c_#valid| v_arrayElimCell_92) 0)) (forall ((v_arrayElimArr_11 (Array Int Int))) (let ((.cse43 (select v_arrayElimArr_11 0))) (or (< .cse43 10) (forall ((v_arrayElimCell_96 Int) (v_ArrVal_243 Int) (v_ArrVal_256 (Array Int Int)) (v_arrayElimCell_97 Int)) (let ((.cse46 (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~tail~0#1.base| (store .cse39 .cse40 v_ArrVal_243)) v_arrayElimCell_92 v_arrayElimArr_11) |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_256))) (let ((.cse44 (select .cse46 v_arrayElimCell_92)) (.cse45 (select .cse46 v_arrayElimCell_97))) (or (<= (select .cse44 v_arrayElimCell_96) 20) (<= (select .cse45 v_arrayElimCell_96) 20) (<= (select .cse44 0) 20) (<= (select .cse45 0) 20))))) (< 20 .cse43)))))) (or .cse31 (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 (or .cse34 .cse32) .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse33)) .cse11 .cse12 .cse16 (forall ((v_arrayElimCell_92 Int)) (or (not (= (select |c_#valid| v_arrayElimCell_92) 0)) (forall ((v_arrayElimArr_11 (Array Int Int))) (let ((.cse47 (select v_arrayElimArr_11 0))) (or (< .cse47 10) (forall ((v_ArrVal_243 Int) (v_ArrVal_253 (Array Int Int))) (let ((.cse49 (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~tail~0#1.base| (store .cse39 .cse40 v_ArrVal_243)) v_arrayElimCell_92 v_arrayElimArr_11) |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_253))) (let ((.cse48 (select .cse49 v_arrayElimCell_92))) (or (<= 10 (select .cse48 0)) (forall ((v_arrayElimCell_96 Int) (v_arrayElimCell_97 Int)) (or (<= 10 (select (select .cse49 v_arrayElimCell_97) v_arrayElimCell_96)) (<= 10 (select .cse48 v_arrayElimCell_96)))))))) (< 20 .cse47)))))) (forall ((v_arrayElimCell_92 Int)) (or (forall ((v_arrayElimArr_11 (Array Int Int))) (let ((.cse50 (select v_arrayElimArr_11 0))) (or (< .cse50 10) (forall ((v_ArrVal_243 Int) (v_ArrVal_256 (Array Int Int))) (let ((.cse52 (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~tail~0#1.base| (store .cse39 .cse40 v_ArrVal_243)) v_arrayElimCell_92 v_arrayElimArr_11) |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_256))) (let ((.cse51 (select .cse52 v_arrayElimCell_92))) (or (forall ((v_arrayElimCell_96 Int) (v_arrayElimCell_97 Int)) (or (<= (select .cse51 v_arrayElimCell_96) 20) (<= (select (select .cse52 v_arrayElimCell_97) v_arrayElimCell_96) 20))) (<= (select .cse51 0) 20))))) (< 20 .cse50)))) (not (= (select |c_#valid| v_arrayElimCell_92) 0)))) (or (forall ((v_arrayElimCell_96 Int) (v_ArrVal_243 Int) (v_ArrVal_253 (Array Int Int)) (v_arrayElimCell_97 Int)) (let ((.cse53 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~tail~0#1.base| (store .cse39 .cse40 v_ArrVal_243)) |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_253) v_arrayElimCell_97))) (or (<= 10 (select .cse53 v_arrayElimCell_96)) (<= 10 (select .cse53 0)) (<= 10 (select v_ArrVal_253 v_arrayElimCell_96))))) .cse54) (or .cse34 .cse41) .cse33 .cse55 (or (forall ((v_arrayElimCell_96 Int) (v_ArrVal_243 Int) (v_ArrVal_256 (Array Int Int)) (v_arrayElimCell_97 Int)) (let ((.cse56 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~tail~0#1.base| (store .cse39 .cse40 v_ArrVal_243)) |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_256) v_arrayElimCell_97))) (or (<= (select v_ArrVal_256 v_arrayElimCell_96) 20) (<= (select .cse56 0) 20) (<= (select .cse56 v_arrayElimCell_96) 20)))) .cse54))))) is different from true [2022-11-25 23:59:07,553 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 3 not checked. [2022-11-25 23:59:07,553 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [703181229] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 23:59:07,553 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [544403675] [2022-11-25 23:59:07,555 INFO L159 IcfgInterpreter]: Started Sifa with 11 locations of interest [2022-11-25 23:59:07,556 INFO L166 IcfgInterpreter]: Building call graph [2022-11-25 23:59:07,556 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-25 23:59:07,556 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-25 23:59:07,556 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-25 23:59:07,606 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-25 23:59:07,606 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 30 [2022-11-25 23:59:07,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:59:07,626 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 9 [2022-11-25 23:59:07,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:59:07,633 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 9 [2022-11-25 23:59:07,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:59:07,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:59:07,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:59:07,677 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-25 23:59:07,677 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 41 [2022-11-25 23:59:07,741 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-25 23:59:07,741 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-11-25 23:59:07,845 INFO L321 Elim1Store]: treesize reduction 34, result has 41.4 percent of original size [2022-11-25 23:59:07,845 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 22 treesize of output 38 [2022-11-25 23:59:07,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:59:07,862 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:59:07,890 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-25 23:59:07,891 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 50 treesize of output 22 [2022-11-25 23:59:07,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:59:07,904 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:59:07,925 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-11-25 23:59:07,925 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 50 treesize of output 26 [2022-11-25 23:59:08,005 INFO L321 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2022-11-25 23:59:08,006 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 32 treesize of output 53 [2022-11-25 23:59:08,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:59:08,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:59:08,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:59:08,040 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 56 [2022-11-25 23:59:08,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:59:08,180 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:59:08,181 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:59:08,334 INFO L321 Elim1Store]: treesize reduction 169, result has 17.6 percent of original size [2022-11-25 23:59:08,335 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 4 case distinctions, treesize of input 322 treesize of output 308 [2022-11-25 23:59:08,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:59:08,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:59:08,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:59:08,396 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:59:08,449 INFO L321 Elim1Store]: treesize reduction 69, result has 19.8 percent of original size [2022-11-25 23:59:08,450 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 295 treesize of output 282 [2022-11-25 23:59:08,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:59:08,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:59:08,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:59:08,492 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:59:08,543 INFO L321 Elim1Store]: treesize reduction 69, result has 19.8 percent of original size [2022-11-25 23:59:08,543 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 304 treesize of output 295 [2022-11-25 23:59:08,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:59:08,582 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:59:08,653 INFO L321 Elim1Store]: treesize reduction 92, result has 24.6 percent of original size [2022-11-25 23:59:08,653 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 296 treesize of output 300 [2022-11-25 23:59:08,804 INFO L321 Elim1Store]: treesize reduction 124, result has 24.8 percent of original size [2022-11-25 23:59:08,806 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 279 treesize of output 303 [2022-11-25 23:59:08,883 INFO L321 Elim1Store]: treesize reduction 64, result has 19.0 percent of original size [2022-11-25 23:59:08,884 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 272 treesize of output 281 [2022-11-25 23:59:08,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:59:08,932 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:59:08,934 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:59:09,072 INFO L321 Elim1Store]: treesize reduction 117, result has 36.8 percent of original size [2022-11-25 23:59:09,073 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 304 treesize of output 322 [2022-11-25 23:59:10,933 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-25 23:59:10,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:59:10,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:59:10,955 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:59:10,979 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-25 23:59:10,980 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 19 [2022-11-25 23:59:10,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:59:10,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:59:10,998 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:59:11,020 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-11-25 23:59:11,020 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 23 [2022-11-25 23:59:11,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:59:11,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:59:11,042 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:59:11,057 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-11-25 23:59:11,058 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 30 [2022-11-25 23:59:11,075 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-25 23:59:11,150 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 149 treesize of output 137 [2022-11-25 23:59:11,157 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 125 treesize of output 113 [2022-11-25 23:59:11,165 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 116 treesize of output 86 [2022-11-25 23:59:11,196 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 56 treesize of output 45 [2022-11-25 23:59:11,202 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 45 treesize of output 43 [2022-11-25 23:59:11,214 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 38 [2022-11-25 23:59:11,270 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 149 treesize of output 137 [2022-11-25 23:59:11,277 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 125 treesize of output 104 [2022-11-25 23:59:11,288 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 57 [2022-11-25 23:59:11,309 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 45 [2022-11-25 23:59:11,314 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 45 treesize of output 43 [2022-11-25 23:59:11,332 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 46 treesize of output 36 [2022-11-25 23:59:11,390 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 149 treesize of output 137 [2022-11-25 23:59:11,397 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 125 treesize of output 113 [2022-11-25 23:59:11,411 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 80 [2022-11-25 23:59:11,434 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 46 [2022-11-25 23:59:11,440 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 46 treesize of output 36 [2022-11-25 23:59:11,452 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 45 treesize of output 43 [2022-11-25 23:59:11,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:59:11,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:59:11,546 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:59:11,583 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-11-25 23:59:11,583 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 23 [2022-11-25 23:59:11,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:59:11,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:59:11,603 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:59:11,623 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-25 23:59:11,624 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 19 [2022-11-25 23:59:11,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:59:11,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:59:11,649 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:59:11,667 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-11-25 23:59:11,668 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 30 [2022-11-25 23:59:11,686 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-25 23:59:11,697 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-25 23:59:11,716 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-25 23:59:12,026 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '549#(and (<= 0 |ULTIMATE.start_main_~tail~0#1.offset|) (= |ULTIMATE.start_main_~list~0#1.offset| 0) (= |#NULL.offset| 0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0) (<= |ULTIMATE.start_main_~tail~0#1.offset| 0))' at error location [2022-11-25 23:59:12,026 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-25 23:59:12,026 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 23:59:12,027 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6, 6] total 15 [2022-11-25 23:59:12,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520853644] [2022-11-25 23:59:12,027 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 23:59:12,027 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-11-25 23:59:12,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:59:12,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-11-25 23:59:12,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=254, Unknown=5, NotChecked=32, Total=342 [2022-11-25 23:59:12,029 INFO L87 Difference]: Start difference. First operand 22 states and 29 transitions. Second operand has 16 states, 16 states have (on average 2.5) internal successors, (40), 15 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) [2022-11-25 23:59:14,104 WARN L859 $PredicateComparison]: unable to prove that (let ((.cse35 (select |c_#valid| |c_ULTIMATE.start_main_~list~0#1.base|))) (let ((.cse40 (select |c_#memory_int| |c_ULTIMATE.start_main_~tail~0#1.base|)) (.cse41 (+ |c_ULTIMATE.start_main_~tail~0#1.offset| 4)) (.cse55 (not (= .cse35 0)))) (let ((.cse43 (or (forall ((v_arrayElimCell_96 Int) (v_ArrVal_243 Int) (v_ArrVal_256 (Array Int Int)) (v_arrayElimCell_97 Int)) (let ((.cse151 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~tail~0#1.base| (store .cse40 .cse41 v_ArrVal_243)) |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_256) v_arrayElimCell_97))) (or (<= (select .cse151 0) 20) (<= (select .cse151 v_arrayElimCell_96) 20)))) .cse55)) (.cse56 (or (forall ((v_arrayElimCell_96 Int) (v_ArrVal_243 Int) (v_ArrVal_253 (Array Int Int)) (v_arrayElimCell_97 Int)) (let ((.cse150 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~tail~0#1.base| (store .cse40 .cse41 v_ArrVal_243)) |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_253) v_arrayElimCell_97))) (or (<= 10 (select .cse150 v_arrayElimCell_96)) (<= 10 (select .cse150 0))))) .cse55)) (.cse0 (or (forall ((v_arrayElimCell_93 Int) (v_arrayElimCell_96 Int) (v_ArrVal_243 Int) (v_ArrVal_253 (Array Int Int)) (v_arrayElimCell_97 Int)) (let ((.cse149 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~tail~0#1.base| (store .cse40 .cse41 v_ArrVal_243)) |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_253))) (or (<= 10 (select (select .cse149 v_arrayElimCell_93) v_arrayElimCell_96)) (<= 10 (select (select .cse149 v_arrayElimCell_97) v_arrayElimCell_96))))) .cse55)) (.cse1 (forall ((v_arrayElimCell_95 Int) (v_arrayElimCell_92 Int)) (or (not (= (select |c_#valid| v_arrayElimCell_92) 0)) (forall ((v_arrayElimArr_11 (Array Int Int)) (v_arrayElimCell_93 Int) (v_ArrVal_243 Int) (v_ArrVal_256 (Array Int Int))) (let ((.cse148 (select v_arrayElimArr_11 0))) (or (<= (select (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~tail~0#1.base| (store .cse40 .cse41 v_ArrVal_243)) v_arrayElimCell_92 v_arrayElimArr_11) |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_256) v_arrayElimCell_93) v_arrayElimCell_95) 20) (< .cse148 10) (< 20 .cse148)))) (= |c_ULTIMATE.start_main_~list~0#1.base| v_arrayElimCell_92)))) (.cse2 (forall ((v_arrayElimCell_95 Int) (v_arrayElimCell_92 Int)) (or (forall ((v_arrayElimArr_11 (Array Int Int)) (v_arrayElimCell_93 Int) (v_arrayElimCell_96 Int) (v_ArrVal_243 Int) (v_ArrVal_256 (Array Int Int)) (v_arrayElimCell_97 Int)) (let ((.cse145 (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~tail~0#1.base| (store .cse40 .cse41 v_ArrVal_243)) v_arrayElimCell_92 v_arrayElimArr_11) |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_256))) (let ((.cse147 (select .cse145 v_arrayElimCell_97)) (.cse146 (select v_arrayElimArr_11 0))) (or (<= (select (select .cse145 v_arrayElimCell_93) v_arrayElimCell_95) 20) (< .cse146 10) (<= (select .cse147 v_arrayElimCell_95) 20) (<= (select .cse147 v_arrayElimCell_96) 20) (< 20 .cse146))))) (not (= (select |c_#valid| v_arrayElimCell_92) 0)) (= |c_ULTIMATE.start_main_~list~0#1.base| v_arrayElimCell_92)))) (.cse4 (forall ((v_arrayElimCell_95 Int) (v_arrayElimCell_92 Int)) (or (forall ((v_arrayElimArr_11 (Array Int Int)) (v_arrayElimCell_93 Int) (v_arrayElimCell_96 Int) (v_ArrVal_243 Int) (v_ArrVal_253 (Array Int Int)) (v_arrayElimCell_97 Int)) (let ((.cse143 (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~tail~0#1.base| (store .cse40 .cse41 v_ArrVal_243)) v_arrayElimCell_92 v_arrayElimArr_11) |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_253))) (let ((.cse142 (select .cse143 v_arrayElimCell_97)) (.cse144 (select v_arrayElimArr_11 0))) (or (<= 10 (select .cse142 v_arrayElimCell_95)) (<= 10 (select (select .cse143 v_arrayElimCell_93) v_arrayElimCell_95)) (<= 10 (select .cse142 v_arrayElimCell_96)) (< .cse144 10) (< 20 .cse144))))) (not (= (select |c_#valid| v_arrayElimCell_92) 0)) (= |c_ULTIMATE.start_main_~list~0#1.base| v_arrayElimCell_92)))) (.cse6 (or (forall ((v_arrayElimCell_93 Int) (v_arrayElimCell_96 Int) (v_arrayElimCell_95 Int) (v_ArrVal_243 Int) (v_ArrVal_253 (Array Int Int)) (v_arrayElimCell_97 Int)) (let ((.cse140 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~tail~0#1.base| (store .cse40 .cse41 v_ArrVal_243)) |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_253))) (let ((.cse141 (select .cse140 v_arrayElimCell_97))) (or (<= 10 (select (select .cse140 v_arrayElimCell_93) v_arrayElimCell_96)) (<= 10 (select .cse141 v_arrayElimCell_96)) (<= 10 (select .cse141 v_arrayElimCell_95)))))) .cse55)) (.cse7 (forall ((v_arrayElimCell_95 Int) (v_arrayElimCell_92 Int)) (or (not (= (select |c_#valid| v_arrayElimCell_92) 0)) (forall ((v_arrayElimArr_11 (Array Int Int)) (v_arrayElimCell_93 Int)) (let ((.cse139 (select v_arrayElimArr_11 0))) (or (forall ((v_ArrVal_243 Int) (v_ArrVal_256 (Array Int Int))) (let ((.cse138 (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~tail~0#1.base| (store .cse40 .cse41 v_ArrVal_243)) v_arrayElimCell_92 v_arrayElimArr_11) |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_256))) (let ((.cse137 (select .cse138 v_arrayElimCell_93))) (or (<= (select .cse137 v_arrayElimCell_95) 20) (forall ((v_arrayElimCell_96 Int) (v_arrayElimCell_97 Int)) (or (<= (select .cse137 v_arrayElimCell_96) 20) (<= (select (select .cse138 v_arrayElimCell_97) v_arrayElimCell_96) 20))))))) (< .cse139 10) (< 20 .cse139))))))) (.cse10 (forall ((v_arrayElimCell_95 Int) (v_arrayElimCell_92 Int)) (or (forall ((v_arrayElimArr_11 (Array Int Int)) (v_arrayElimCell_93 Int)) (let ((.cse136 (select v_arrayElimArr_11 0))) (or (forall ((v_arrayElimCell_96 Int) (v_ArrVal_243 Int) (v_ArrVal_253 (Array Int Int)) (v_arrayElimCell_97 Int)) (let ((.cse135 (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~tail~0#1.base| (store .cse40 .cse41 v_ArrVal_243)) v_arrayElimCell_92 v_arrayElimArr_11) |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_253))) (let ((.cse133 (select .cse135 v_arrayElimCell_97)) (.cse134 (select .cse135 v_arrayElimCell_93))) (or (<= 10 (select .cse133 v_arrayElimCell_95)) (<= 10 (select .cse134 v_arrayElimCell_95)) (<= 10 (select .cse133 v_arrayElimCell_96)) (<= 10 (select .cse134 v_arrayElimCell_96)))))) (< .cse136 10) (< 20 .cse136)))) (not (= (select |c_#valid| v_arrayElimCell_92) 0))))) (.cse14 (forall ((v_arrayElimCell_95 Int) (v_arrayElimCell_92 Int)) (or (forall ((v_arrayElimArr_11 (Array Int Int)) (v_arrayElimCell_93 Int)) (let ((.cse130 (select v_arrayElimArr_11 0))) (or (< .cse130 10) (forall ((v_ArrVal_243 Int) (v_ArrVal_253 (Array Int Int))) (let ((.cse132 (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~tail~0#1.base| (store .cse40 .cse41 v_ArrVal_243)) v_arrayElimCell_92 v_arrayElimArr_11) |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_253))) (let ((.cse131 (select .cse132 v_arrayElimCell_93))) (or (<= 10 (select .cse131 v_arrayElimCell_95)) (forall ((v_arrayElimCell_96 Int) (v_arrayElimCell_97 Int)) (or (<= 10 (select (select .cse132 v_arrayElimCell_97) v_arrayElimCell_96)) (<= 10 (select .cse131 v_arrayElimCell_96)))))))) (< 20 .cse130)))) (not (= (select |c_#valid| v_arrayElimCell_92) 0))))) (.cse15 (forall ((v_arrayElimCell_95 Int) (v_arrayElimCell_92 Int)) (or (forall ((v_arrayElimArr_11 (Array Int Int)) (v_arrayElimCell_93 Int) (v_arrayElimCell_96 Int) (v_ArrVal_243 Int) (v_ArrVal_253 (Array Int Int)) (v_arrayElimCell_97 Int)) (let ((.cse128 (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~tail~0#1.base| (store .cse40 .cse41 v_ArrVal_243)) v_arrayElimCell_92 v_arrayElimArr_11) |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_253)) (.cse129 (select v_arrayElimArr_11 0))) (or (<= 10 (select (select .cse128 v_arrayElimCell_93) v_arrayElimCell_95)) (<= 10 (select (select .cse128 v_arrayElimCell_97) v_arrayElimCell_96)) (< .cse129 10) (< 20 .cse129)))) (not (= (select |c_#valid| v_arrayElimCell_92) 0)) (= |c_ULTIMATE.start_main_~list~0#1.base| v_arrayElimCell_92)))) (.cse16 (or (forall ((v_arrayElimCell_96 Int) (v_ArrVal_243 Int) (v_ArrVal_256 (Array Int Int)) (v_arrayElimCell_97 Int)) (<= (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~tail~0#1.base| (store .cse40 .cse41 v_ArrVal_243)) |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_256) v_arrayElimCell_97) v_arrayElimCell_96) 20)) .cse55)) (.cse20 (forall ((v_arrayElimCell_95 Int) (v_arrayElimCell_92 Int)) (or (not (= (select |c_#valid| v_arrayElimCell_92) 0)) (forall ((v_arrayElimArr_11 (Array Int Int)) (v_arrayElimCell_93 Int)) (let ((.cse127 (select v_arrayElimArr_11 0))) (or (forall ((v_arrayElimCell_96 Int) (v_ArrVal_243 Int) (v_ArrVal_256 (Array Int Int)) (v_arrayElimCell_97 Int)) (let ((.cse126 (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~tail~0#1.base| (store .cse40 .cse41 v_ArrVal_243)) v_arrayElimCell_92 v_arrayElimArr_11) |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_256))) (let ((.cse124 (select .cse126 v_arrayElimCell_93)) (.cse125 (select .cse126 v_arrayElimCell_97))) (or (<= (select .cse124 v_arrayElimCell_95) 20) (<= (select .cse124 v_arrayElimCell_96) 20) (<= (select .cse125 v_arrayElimCell_95) 20) (<= (select .cse125 v_arrayElimCell_96) 20))))) (< .cse127 10) (< 20 .cse127))))))) (.cse21 (or (forall ((v_arrayElimCell_93 Int) (v_arrayElimCell_96 Int) (v_ArrVal_243 Int) (v_ArrVal_256 (Array Int Int)) (v_arrayElimCell_97 Int)) (let ((.cse123 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~tail~0#1.base| (store .cse40 .cse41 v_ArrVal_243)) |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_256))) (or (<= (select (select .cse123 v_arrayElimCell_93) v_arrayElimCell_96) 20) (<= (select (select .cse123 v_arrayElimCell_97) v_arrayElimCell_96) 20)))) .cse55)) (.cse24 (or (forall ((v_arrayElimCell_93 Int) (v_arrayElimCell_96 Int) (v_arrayElimCell_95 Int) (v_ArrVal_243 Int) (v_ArrVal_256 (Array Int Int)) (v_arrayElimCell_97 Int)) (let ((.cse121 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~tail~0#1.base| (store .cse40 .cse41 v_ArrVal_243)) |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_256))) (let ((.cse122 (select .cse121 v_arrayElimCell_97))) (or (<= (select (select .cse121 v_arrayElimCell_93) v_arrayElimCell_96) 20) (<= (select .cse122 v_arrayElimCell_96) 20) (<= (select .cse122 v_arrayElimCell_95) 20))))) .cse55)) (.cse25 (or (forall ((v_arrayElimCell_96 Int) (v_arrayElimCell_95 Int) (v_ArrVal_243 Int) (v_ArrVal_256 (Array Int Int)) (v_arrayElimCell_97 Int)) (let ((.cse120 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~tail~0#1.base| (store .cse40 .cse41 v_ArrVal_243)) |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_256) v_arrayElimCell_97))) (or (<= (select .cse120 v_arrayElimCell_96) 20) (<= (select .cse120 v_arrayElimCell_95) 20)))) .cse55)) (.cse27 (forall ((v_arrayElimCell_95 Int) (v_arrayElimCell_92 Int)) (or (forall ((v_arrayElimArr_11 (Array Int Int)) (v_arrayElimCell_93 Int) (v_arrayElimCell_96 Int) (v_ArrVal_243 Int) (v_ArrVal_256 (Array Int Int)) (v_arrayElimCell_97 Int)) (let ((.cse118 (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~tail~0#1.base| (store .cse40 .cse41 v_ArrVal_243)) v_arrayElimCell_92 v_arrayElimArr_11) |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_256)) (.cse119 (select v_arrayElimArr_11 0))) (or (<= (select (select .cse118 v_arrayElimCell_93) v_arrayElimCell_95) 20) (< .cse119 10) (<= (select (select .cse118 v_arrayElimCell_97) v_arrayElimCell_96) 20) (< 20 .cse119)))) (not (= (select |c_#valid| v_arrayElimCell_92) 0)) (= |c_ULTIMATE.start_main_~list~0#1.base| v_arrayElimCell_92)))) (.cse28 (or .cse55 (forall ((v_arrayElimCell_96 Int) (v_arrayElimCell_95 Int) (v_ArrVal_243 Int) (v_ArrVal_253 (Array Int Int)) (v_arrayElimCell_97 Int)) (let ((.cse117 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~tail~0#1.base| (store .cse40 .cse41 v_ArrVal_243)) |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_253) v_arrayElimCell_97))) (or (<= 10 (select .cse117 v_arrayElimCell_96)) (<= 10 (select .cse117 v_arrayElimCell_95))))))) (.cse29 (forall ((v_arrayElimCell_95 Int) (v_arrayElimCell_92 Int)) (or (not (= (select |c_#valid| v_arrayElimCell_92) 0)) (forall ((v_arrayElimArr_11 (Array Int Int)) (v_arrayElimCell_93 Int) (v_ArrVal_243 Int) (v_ArrVal_253 (Array Int Int))) (let ((.cse116 (select v_arrayElimArr_11 0))) (or (<= 10 (select (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~tail~0#1.base| (store .cse40 .cse41 v_ArrVal_243)) v_arrayElimCell_92 v_arrayElimArr_11) |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_253) v_arrayElimCell_93) v_arrayElimCell_95)) (< .cse116 10) (< 20 .cse116)))) (= |c_ULTIMATE.start_main_~list~0#1.base| v_arrayElimCell_92)))) (.cse33 (or (forall ((v_arrayElimCell_96 Int) (v_ArrVal_243 Int) (v_ArrVal_253 (Array Int Int)) (v_arrayElimCell_97 Int)) (<= 10 (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~tail~0#1.base| (store .cse40 .cse41 v_ArrVal_243)) |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_253) v_arrayElimCell_97) v_arrayElimCell_96))) .cse55))) (let ((.cse31 (= |c_ULTIMATE.start_main_~tail~0#1.offset| |c_ULTIMATE.start_main_~list~0#1.offset|)) (.cse3 (or (forall ((v_arrayElimCell_96 Int) (v_arrayElimCell_95 Int) (v_ArrVal_243 Int) (v_ArrVal_256 (Array Int Int)) (v_arrayElimCell_97 Int)) (let ((.cse115 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~tail~0#1.base| (store .cse40 .cse41 v_ArrVal_243)) |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_256) v_arrayElimCell_97))) (or (<= (select v_ArrVal_256 v_arrayElimCell_96) 20) (<= (select .cse115 v_arrayElimCell_96) 20) (<= (select .cse115 v_arrayElimCell_95) 20)))) .cse55)) (.cse5 (forall ((v_arrayElimCell_95 Int) (v_arrayElimCell_92 Int)) (or (forall ((v_arrayElimArr_11 (Array Int Int))) (let ((.cse114 (select v_arrayElimArr_11 0))) (or (forall ((v_arrayElimCell_96 Int) (v_ArrVal_243 Int) (v_ArrVal_256 (Array Int Int)) (v_arrayElimCell_97 Int)) (let ((.cse113 (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~tail~0#1.base| (store .cse40 .cse41 v_ArrVal_243)) v_arrayElimCell_92 v_arrayElimArr_11) |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_256))) (let ((.cse111 (select .cse113 v_arrayElimCell_92)) (.cse112 (select .cse113 v_arrayElimCell_97))) (or (<= (select .cse111 v_arrayElimCell_96) 20) (<= (select .cse111 v_arrayElimCell_95) 20) (<= (select .cse112 v_arrayElimCell_95) 20) (<= (select .cse112 v_arrayElimCell_96) 20))))) (< .cse114 10) (< 20 .cse114)))) (not (= (select |c_#valid| v_arrayElimCell_92) 0))))) (.cse8 (forall ((v_arrayElimCell_95 Int) (v_arrayElimCell_92 Int)) (or (not (= (select |c_#valid| v_arrayElimCell_92) 0)) (forall ((v_arrayElimArr_11 (Array Int Int))) (let ((.cse110 (select v_arrayElimArr_11 0))) (or (forall ((v_arrayElimCell_96 Int) (v_ArrVal_243 Int) (v_ArrVal_253 (Array Int Int)) (v_arrayElimCell_97 Int)) (let ((.cse109 (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~tail~0#1.base| (store .cse40 .cse41 v_ArrVal_243)) v_arrayElimCell_92 v_arrayElimArr_11) |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_253))) (let ((.cse107 (select .cse109 v_arrayElimCell_97)) (.cse108 (select .cse109 v_arrayElimCell_92))) (or (<= 10 (select .cse107 v_arrayElimCell_95)) (<= 10 (select .cse107 v_arrayElimCell_96)) (<= 10 (select .cse108 v_arrayElimCell_96)) (<= 10 (select .cse108 v_arrayElimCell_95)))))) (< .cse110 10) (< 20 .cse110))))))) (.cse9 (forall ((v_arrayElimCell_95 Int) (v_arrayElimCell_92 Int)) (or (not (= (select |c_#valid| v_arrayElimCell_92) 0)) (forall ((v_arrayElimArr_11 (Array Int Int)) (v_ArrVal_243 Int) (v_ArrVal_253 (Array Int Int))) (let ((.cse106 (select v_arrayElimArr_11 0))) (or (< .cse106 10) (<= 10 (select (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~tail~0#1.base| (store .cse40 .cse41 v_ArrVal_243)) v_arrayElimCell_92 v_arrayElimArr_11) |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_253) v_arrayElimCell_92) v_arrayElimCell_95)) (< 20 .cse106)))) (= |c_ULTIMATE.start_main_~list~0#1.base| v_arrayElimCell_92)))) (.cse13 (forall ((v_arrayElimCell_95 Int) (v_arrayElimCell_92 Int)) (or (not (= (select |c_#valid| v_arrayElimCell_92) 0)) (forall ((v_arrayElimArr_11 (Array Int Int))) (let ((.cse103 (select v_arrayElimArr_11 0))) (or (< .cse103 10) (forall ((v_ArrVal_243 Int) (v_ArrVal_256 (Array Int Int))) (let ((.cse105 (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~tail~0#1.base| (store .cse40 .cse41 v_ArrVal_243)) v_arrayElimCell_92 v_arrayElimArr_11) |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_256))) (let ((.cse104 (select .cse105 v_arrayElimCell_92))) (or (forall ((v_arrayElimCell_96 Int) (v_arrayElimCell_97 Int)) (or (<= (select .cse104 v_arrayElimCell_96) 20) (<= (select (select .cse105 v_arrayElimCell_97) v_arrayElimCell_96) 20))) (<= (select .cse104 v_arrayElimCell_95) 20))))) (< 20 .cse103))))))) (.cse17 (forall ((v_arrayElimCell_95 Int) (v_arrayElimCell_92 Int)) (or (not (= (select |c_#valid| v_arrayElimCell_92) 0)) (forall ((v_arrayElimArr_11 (Array Int Int)) (v_arrayElimCell_96 Int) (v_ArrVal_243 Int) (v_ArrVal_253 (Array Int Int)) (v_arrayElimCell_97 Int)) (let ((.cse101 (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~tail~0#1.base| (store .cse40 .cse41 v_ArrVal_243)) v_arrayElimCell_92 v_arrayElimArr_11) |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_253)) (.cse102 (select v_arrayElimArr_11 0))) (or (<= 10 (select (select .cse101 v_arrayElimCell_97) v_arrayElimCell_96)) (< .cse102 10) (<= 10 (select (select .cse101 v_arrayElimCell_92) v_arrayElimCell_95)) (< 20 .cse102)))) (= |c_ULTIMATE.start_main_~list~0#1.base| v_arrayElimCell_92)))) (.cse18 (forall ((v_arrayElimCell_95 Int) (v_arrayElimCell_92 Int)) (or (not (= (select |c_#valid| v_arrayElimCell_92) 0)) (forall ((v_arrayElimArr_11 (Array Int Int)) (v_arrayElimCell_96 Int) (v_ArrVal_243 Int) (v_ArrVal_256 (Array Int Int)) (v_arrayElimCell_97 Int)) (let ((.cse100 (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~tail~0#1.base| (store .cse40 .cse41 v_ArrVal_243)) v_arrayElimCell_92 v_arrayElimArr_11) |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_256)) (.cse99 (select v_arrayElimArr_11 0))) (or (< .cse99 10) (<= (select (select .cse100 v_arrayElimCell_92) v_arrayElimCell_95) 20) (<= (select (select .cse100 v_arrayElimCell_97) v_arrayElimCell_96) 20) (< 20 .cse99)))) (= |c_ULTIMATE.start_main_~list~0#1.base| v_arrayElimCell_92)))) (.cse19 (forall ((v_arrayElimCell_95 Int) (v_arrayElimCell_92 Int)) (or (not (= (select |c_#valid| v_arrayElimCell_92) 0)) (forall ((v_arrayElimArr_11 (Array Int Int)) (v_arrayElimCell_96 Int) (v_ArrVal_243 Int) (v_ArrVal_253 (Array Int Int)) (v_arrayElimCell_97 Int)) (let ((.cse98 (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~tail~0#1.base| (store .cse40 .cse41 v_ArrVal_243)) v_arrayElimCell_92 v_arrayElimArr_11) |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_253))) (let ((.cse96 (select .cse98 v_arrayElimCell_97)) (.cse97 (select v_arrayElimArr_11 0))) (or (<= 10 (select .cse96 v_arrayElimCell_95)) (<= 10 (select .cse96 v_arrayElimCell_96)) (< .cse97 10) (<= 10 (select (select .cse98 v_arrayElimCell_92) v_arrayElimCell_95)) (< 20 .cse97))))) (= |c_ULTIMATE.start_main_~list~0#1.base| v_arrayElimCell_92)))) (.cse22 (or (forall ((v_arrayElimCell_96 Int) (v_arrayElimCell_95 Int) (v_ArrVal_243 Int) (v_ArrVal_253 (Array Int Int)) (v_arrayElimCell_97 Int)) (let ((.cse95 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~tail~0#1.base| (store .cse40 .cse41 v_ArrVal_243)) |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_253) v_arrayElimCell_97))) (or (<= 10 (select .cse95 v_arrayElimCell_96)) (<= 10 (select v_ArrVal_253 v_arrayElimCell_96)) (<= 10 (select .cse95 v_arrayElimCell_95))))) .cse55)) (.cse23 (forall ((v_arrayElimCell_95 Int) (v_arrayElimCell_92 Int)) (or (forall ((v_arrayElimArr_11 (Array Int Int)) (v_ArrVal_243 Int) (v_ArrVal_256 (Array Int Int))) (let ((.cse94 (select v_arrayElimArr_11 0))) (or (< .cse94 10) (<= (select (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~tail~0#1.base| (store .cse40 .cse41 v_ArrVal_243)) v_arrayElimCell_92 v_arrayElimArr_11) |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_256) v_arrayElimCell_92) v_arrayElimCell_95) 20) (< 20 .cse94)))) (not (= (select |c_#valid| v_arrayElimCell_92) 0)) (= |c_ULTIMATE.start_main_~list~0#1.base| v_arrayElimCell_92)))) (.cse32 (and .cse0 .cse1 .cse2 .cse4 .cse6 .cse7 .cse10 .cse14 .cse15 .cse16 .cse20 .cse21 .cse24 .cse25 .cse27 .cse28 .cse29 .cse33)) (.cse26 (forall ((v_arrayElimCell_95 Int) (v_arrayElimCell_92 Int)) (or (not (= (select |c_#valid| v_arrayElimCell_92) 0)) (forall ((v_arrayElimArr_11 (Array Int Int)) (v_arrayElimCell_96 Int) (v_ArrVal_243 Int) (v_ArrVal_256 (Array Int Int)) (v_arrayElimCell_97 Int)) (let ((.cse92 (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~tail~0#1.base| (store .cse40 .cse41 v_ArrVal_243)) v_arrayElimCell_92 v_arrayElimArr_11) |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_256))) (let ((.cse93 (select .cse92 v_arrayElimCell_97)) (.cse91 (select v_arrayElimArr_11 0))) (or (< .cse91 10) (<= (select (select .cse92 v_arrayElimCell_92) v_arrayElimCell_95) 20) (<= (select .cse93 v_arrayElimCell_95) 20) (<= (select .cse93 v_arrayElimCell_96) 20) (< 20 .cse91))))) (= |c_ULTIMATE.start_main_~list~0#1.base| v_arrayElimCell_92)))) (.cse30 (forall ((v_arrayElimCell_95 Int) (v_arrayElimCell_92 Int)) (or (forall ((v_arrayElimArr_11 (Array Int Int))) (let ((.cse88 (select v_arrayElimArr_11 0))) (or (< .cse88 10) (forall ((v_ArrVal_243 Int) (v_ArrVal_253 (Array Int Int))) (let ((.cse90 (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~tail~0#1.base| (store .cse40 .cse41 v_ArrVal_243)) v_arrayElimCell_92 v_arrayElimArr_11) |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_253))) (let ((.cse89 (select .cse90 v_arrayElimCell_92))) (or (<= 10 (select .cse89 v_arrayElimCell_95)) (forall ((v_arrayElimCell_96 Int) (v_arrayElimCell_97 Int)) (or (<= 10 (select (select .cse90 v_arrayElimCell_97) v_arrayElimCell_96)) (<= 10 (select .cse89 v_arrayElimCell_96)))))))) (< 20 .cse88)))) (not (= (select |c_#valid| v_arrayElimCell_92) 0))))) (.cse11 (or (forall ((v_arrayElimCell_96 Int) (v_ArrVal_243 Int) (v_ArrVal_256 (Array Int Int)) (v_arrayElimCell_97 Int)) (or (<= (select v_ArrVal_256 v_arrayElimCell_96) 20) (<= (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~tail~0#1.base| (store .cse40 .cse41 v_ArrVal_243)) |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_256) v_arrayElimCell_97) v_arrayElimCell_96) 20))) .cse55)) (.cse12 (or (forall ((v_arrayElimCell_96 Int) (v_ArrVal_243 Int) (v_ArrVal_253 (Array Int Int)) (v_arrayElimCell_97 Int)) (or (<= 10 (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~tail~0#1.base| (store .cse40 .cse41 v_ArrVal_243)) |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_253) v_arrayElimCell_97) v_arrayElimCell_96)) (<= 10 (select v_ArrVal_253 v_arrayElimCell_96)))) .cse55)) (.cse34 (= |c_ULTIMATE.start_main_~list~0#1.base| |c_ULTIMATE.start_main_~tail~0#1.base|)) (.cse42 (and (forall ((v_arrayElimCell_92 Int)) (or (not (= (select |c_#valid| v_arrayElimCell_92) 0)) (forall ((v_arrayElimArr_11 (Array Int Int)) (v_arrayElimCell_93 Int) (v_ArrVal_243 Int) (v_ArrVal_253 (Array Int Int))) (let ((.cse58 (select v_arrayElimArr_11 0))) (or (< .cse58 10) (<= 10 (select (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~tail~0#1.base| (store .cse40 .cse41 v_ArrVal_243)) v_arrayElimCell_92 v_arrayElimArr_11) |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_253) v_arrayElimCell_93) 0)) (< 20 .cse58)))) (= |c_ULTIMATE.start_main_~list~0#1.base| v_arrayElimCell_92))) .cse0 (forall ((v_arrayElimCell_92 Int)) (or (not (= (select |c_#valid| v_arrayElimCell_92) 0)) (forall ((v_arrayElimArr_11 (Array Int Int)) (v_arrayElimCell_93 Int)) (let ((.cse59 (select v_arrayElimArr_11 0))) (or (< .cse59 10) (forall ((v_ArrVal_243 Int) (v_ArrVal_256 (Array Int Int))) (let ((.cse61 (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~tail~0#1.base| (store .cse40 .cse41 v_ArrVal_243)) v_arrayElimCell_92 v_arrayElimArr_11) |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_256))) (let ((.cse60 (select .cse61 v_arrayElimCell_93))) (or (forall ((v_arrayElimCell_96 Int) (v_arrayElimCell_97 Int)) (or (<= (select .cse60 v_arrayElimCell_96) 20) (<= (select (select .cse61 v_arrayElimCell_97) v_arrayElimCell_96) 20))) (<= (select .cse60 0) 20))))) (< 20 .cse59)))))) (forall ((v_arrayElimCell_92 Int)) (or (forall ((v_arrayElimArr_11 (Array Int Int)) (v_arrayElimCell_93 Int)) (let ((.cse65 (select v_arrayElimArr_11 0))) (or (forall ((v_arrayElimCell_96 Int) (v_ArrVal_243 Int) (v_ArrVal_256 (Array Int Int)) (v_arrayElimCell_97 Int)) (let ((.cse64 (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~tail~0#1.base| (store .cse40 .cse41 v_ArrVal_243)) v_arrayElimCell_92 v_arrayElimArr_11) |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_256))) (let ((.cse62 (select .cse64 v_arrayElimCell_93)) (.cse63 (select .cse64 v_arrayElimCell_97))) (or (<= (select .cse62 0) 20) (<= (select .cse62 v_arrayElimCell_96) 20) (<= (select .cse63 v_arrayElimCell_96) 20) (<= (select .cse63 0) 20))))) (< .cse65 10) (< 20 .cse65)))) (not (= (select |c_#valid| v_arrayElimCell_92) 0)))) (forall ((v_arrayElimCell_92 Int)) (or (not (= (select |c_#valid| v_arrayElimCell_92) 0)) (forall ((v_arrayElimArr_11 (Array Int Int)) (v_arrayElimCell_93 Int) (v_arrayElimCell_96 Int) (v_ArrVal_243 Int) (v_ArrVal_253 (Array Int Int)) (v_arrayElimCell_97 Int)) (let ((.cse68 (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~tail~0#1.base| (store .cse40 .cse41 v_ArrVal_243)) v_arrayElimCell_92 v_arrayElimArr_11) |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_253))) (let ((.cse66 (select .cse68 v_arrayElimCell_97)) (.cse67 (select v_arrayElimArr_11 0))) (or (<= 10 (select .cse66 v_arrayElimCell_96)) (< .cse67 10) (<= 10 (select (select .cse68 v_arrayElimCell_93) 0)) (<= 10 (select .cse66 0)) (< 20 .cse67))))) (= |c_ULTIMATE.start_main_~list~0#1.base| v_arrayElimCell_92))) (or (forall ((v_arrayElimCell_93 Int) (v_arrayElimCell_96 Int) (v_ArrVal_243 Int) (v_ArrVal_256 (Array Int Int)) (v_arrayElimCell_97 Int)) (let ((.cse69 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~tail~0#1.base| (store .cse40 .cse41 v_ArrVal_243)) |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_256))) (let ((.cse70 (select .cse69 v_arrayElimCell_97))) (or (<= (select (select .cse69 v_arrayElimCell_93) v_arrayElimCell_96) 20) (<= (select .cse70 0) 20) (<= (select .cse70 v_arrayElimCell_96) 20))))) .cse55) (forall ((v_arrayElimCell_92 Int)) (or (not (= (select |c_#valid| v_arrayElimCell_92) 0)) (forall ((v_arrayElimArr_11 (Array Int Int)) (v_arrayElimCell_93 Int)) (let ((.cse71 (select v_arrayElimArr_11 0))) (or (< .cse71 10) (forall ((v_ArrVal_243 Int) (v_ArrVal_253 (Array Int Int))) (let ((.cse72 (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~tail~0#1.base| (store .cse40 .cse41 v_ArrVal_243)) v_arrayElimCell_92 v_arrayElimArr_11) |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_253))) (let ((.cse73 (select .cse72 v_arrayElimCell_93))) (or (forall ((v_arrayElimCell_96 Int) (v_arrayElimCell_97 Int)) (or (<= 10 (select (select .cse72 v_arrayElimCell_97) v_arrayElimCell_96)) (<= 10 (select .cse73 v_arrayElimCell_96)))) (<= 10 (select .cse73 0)))))) (< 20 .cse71)))))) .cse43 (or .cse55 (forall ((v_arrayElimCell_93 Int) (v_arrayElimCell_96 Int) (v_ArrVal_243 Int) (v_ArrVal_253 (Array Int Int)) (v_arrayElimCell_97 Int)) (let ((.cse74 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~tail~0#1.base| (store .cse40 .cse41 v_ArrVal_243)) |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_253))) (let ((.cse75 (select .cse74 v_arrayElimCell_97))) (or (<= 10 (select (select .cse74 v_arrayElimCell_93) v_arrayElimCell_96)) (<= 10 (select .cse75 v_arrayElimCell_96)) (<= 10 (select .cse75 0))))))) (forall ((v_arrayElimCell_92 Int)) (or (not (= (select |c_#valid| v_arrayElimCell_92) 0)) (forall ((v_arrayElimArr_11 (Array Int Int)) (v_arrayElimCell_93 Int)) (let ((.cse79 (select v_arrayElimArr_11 0))) (or (forall ((v_arrayElimCell_96 Int) (v_ArrVal_243 Int) (v_ArrVal_253 (Array Int Int)) (v_arrayElimCell_97 Int)) (let ((.cse78 (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~tail~0#1.base| (store .cse40 .cse41 v_ArrVal_243)) v_arrayElimCell_92 v_arrayElimArr_11) |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_253))) (let ((.cse77 (select .cse78 v_arrayElimCell_93)) (.cse76 (select .cse78 v_arrayElimCell_97))) (or (<= 10 (select .cse76 v_arrayElimCell_96)) (<= 10 (select .cse77 0)) (<= 10 (select .cse77 v_arrayElimCell_96)) (<= 10 (select .cse76 0)))))) (< .cse79 10) (< 20 .cse79)))))) (forall ((v_arrayElimCell_92 Int)) (or (forall ((v_arrayElimArr_11 (Array Int Int)) (v_arrayElimCell_93 Int) (v_arrayElimCell_96 Int) (v_ArrVal_243 Int) (v_ArrVal_253 (Array Int Int)) (v_arrayElimCell_97 Int)) (let ((.cse80 (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~tail~0#1.base| (store .cse40 .cse41 v_ArrVal_243)) v_arrayElimCell_92 v_arrayElimArr_11) |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_253)) (.cse81 (select v_arrayElimArr_11 0))) (or (<= 10 (select (select .cse80 v_arrayElimCell_97) v_arrayElimCell_96)) (< .cse81 10) (<= 10 (select (select .cse80 v_arrayElimCell_93) 0)) (< 20 .cse81)))) (not (= (select |c_#valid| v_arrayElimCell_92) 0)) (= |c_ULTIMATE.start_main_~list~0#1.base| v_arrayElimCell_92))) .cse16 (forall ((v_arrayElimCell_92 Int)) (or (not (= (select |c_#valid| v_arrayElimCell_92) 0)) (forall ((v_arrayElimArr_11 (Array Int Int)) (v_arrayElimCell_93 Int) (v_ArrVal_243 Int) (v_ArrVal_256 (Array Int Int))) (let ((.cse82 (select v_arrayElimArr_11 0))) (or (<= (select (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~tail~0#1.base| (store .cse40 .cse41 v_ArrVal_243)) v_arrayElimCell_92 v_arrayElimArr_11) |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_256) v_arrayElimCell_93) 0) 20) (< .cse82 10) (< 20 .cse82)))) (= |c_ULTIMATE.start_main_~list~0#1.base| v_arrayElimCell_92))) .cse21 (forall ((v_arrayElimCell_92 Int)) (or (forall ((v_arrayElimArr_11 (Array Int Int)) (v_arrayElimCell_93 Int) (v_arrayElimCell_96 Int) (v_ArrVal_243 Int) (v_ArrVal_256 (Array Int Int)) (v_arrayElimCell_97 Int)) (let ((.cse83 (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~tail~0#1.base| (store .cse40 .cse41 v_ArrVal_243)) v_arrayElimCell_92 v_arrayElimArr_11) |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_256))) (let ((.cse85 (select .cse83 v_arrayElimCell_97)) (.cse84 (select v_arrayElimArr_11 0))) (or (<= (select (select .cse83 v_arrayElimCell_93) 0) 20) (< .cse84 10) (<= (select .cse85 v_arrayElimCell_96) 20) (<= (select .cse85 0) 20) (< 20 .cse84))))) (not (= (select |c_#valid| v_arrayElimCell_92) 0)) (= |c_ULTIMATE.start_main_~list~0#1.base| v_arrayElimCell_92))) (forall ((v_arrayElimCell_92 Int)) (or (forall ((v_arrayElimArr_11 (Array Int Int)) (v_arrayElimCell_93 Int) (v_arrayElimCell_96 Int) (v_ArrVal_243 Int) (v_ArrVal_256 (Array Int Int)) (v_arrayElimCell_97 Int)) (let ((.cse86 (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~tail~0#1.base| (store .cse40 .cse41 v_ArrVal_243)) v_arrayElimCell_92 v_arrayElimArr_11) |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_256)) (.cse87 (select v_arrayElimArr_11 0))) (or (<= (select (select .cse86 v_arrayElimCell_93) 0) 20) (< .cse87 10) (<= (select (select .cse86 v_arrayElimCell_97) v_arrayElimCell_96) 20) (< 20 .cse87)))) (not (= (select |c_#valid| v_arrayElimCell_92) 0)) (= |c_ULTIMATE.start_main_~list~0#1.base| v_arrayElimCell_92))) .cse33 .cse56))) (and (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 (or .cse31 .cse32) .cse33) .cse34) (= .cse35 1) (= |c_ULTIMATE.start_main_~list~0#1.offset| 0) .cse31 (forall ((v_arrayElimCell_92 Int)) (or (not (= (select |c_#valid| v_arrayElimCell_92) 0)) (forall ((v_arrayElimArr_11 (Array Int Int))) (let ((.cse36 (select v_arrayElimArr_11 0))) (or (< .cse36 10) (forall ((v_arrayElimCell_96 Int) (v_ArrVal_243 Int) (v_ArrVal_253 (Array Int Int)) (v_arrayElimCell_97 Int)) (let ((.cse39 (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~tail~0#1.base| (store .cse40 .cse41 v_ArrVal_243)) v_arrayElimCell_92 v_arrayElimArr_11) |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_253))) (let ((.cse37 (select .cse39 v_arrayElimCell_92)) (.cse38 (select .cse39 v_arrayElimCell_97))) (or (<= 10 (select .cse37 0)) (<= 10 (select .cse38 v_arrayElimCell_96)) (<= 10 (select .cse37 v_arrayElimCell_96)) (<= 10 (select .cse38 0)))))) (< 20 .cse36)))))) (or .cse31 .cse42) .cse43 (forall ((v_arrayElimCell_92 Int)) (or (not (= (select |c_#valid| v_arrayElimCell_92) 0)) (forall ((v_arrayElimArr_11 (Array Int Int))) (let ((.cse44 (select v_arrayElimArr_11 0))) (or (< .cse44 10) (forall ((v_arrayElimCell_96 Int) (v_ArrVal_243 Int) (v_ArrVal_256 (Array Int Int)) (v_arrayElimCell_97 Int)) (let ((.cse47 (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~tail~0#1.base| (store .cse40 .cse41 v_ArrVal_243)) v_arrayElimCell_92 v_arrayElimArr_11) |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_256))) (let ((.cse45 (select .cse47 v_arrayElimCell_92)) (.cse46 (select .cse47 v_arrayElimCell_97))) (or (<= (select .cse45 v_arrayElimCell_96) 20) (<= (select .cse46 v_arrayElimCell_96) 20) (<= (select .cse45 0) 20) (<= (select .cse46 0) 20))))) (< 20 .cse44)))))) (or .cse31 (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 (or .cse34 .cse32) .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse33)) .cse11 .cse12 .cse34 .cse16 (forall ((v_arrayElimCell_92 Int)) (or (not (= (select |c_#valid| v_arrayElimCell_92) 0)) (forall ((v_arrayElimArr_11 (Array Int Int))) (let ((.cse48 (select v_arrayElimArr_11 0))) (or (< .cse48 10) (forall ((v_ArrVal_243 Int) (v_ArrVal_253 (Array Int Int))) (let ((.cse50 (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~tail~0#1.base| (store .cse40 .cse41 v_ArrVal_243)) v_arrayElimCell_92 v_arrayElimArr_11) |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_253))) (let ((.cse49 (select .cse50 v_arrayElimCell_92))) (or (<= 10 (select .cse49 0)) (forall ((v_arrayElimCell_96 Int) (v_arrayElimCell_97 Int)) (or (<= 10 (select (select .cse50 v_arrayElimCell_97) v_arrayElimCell_96)) (<= 10 (select .cse49 v_arrayElimCell_96)))))))) (< 20 .cse48)))))) (forall ((v_arrayElimCell_92 Int)) (or (forall ((v_arrayElimArr_11 (Array Int Int))) (let ((.cse51 (select v_arrayElimArr_11 0))) (or (< .cse51 10) (forall ((v_ArrVal_243 Int) (v_ArrVal_256 (Array Int Int))) (let ((.cse53 (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~tail~0#1.base| (store .cse40 .cse41 v_ArrVal_243)) v_arrayElimCell_92 v_arrayElimArr_11) |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_256))) (let ((.cse52 (select .cse53 v_arrayElimCell_92))) (or (forall ((v_arrayElimCell_96 Int) (v_arrayElimCell_97 Int)) (or (<= (select .cse52 v_arrayElimCell_96) 20) (<= (select (select .cse53 v_arrayElimCell_97) v_arrayElimCell_96) 20))) (<= (select .cse52 0) 20))))) (< 20 .cse51)))) (not (= (select |c_#valid| v_arrayElimCell_92) 0)))) (or (forall ((v_arrayElimCell_96 Int) (v_ArrVal_243 Int) (v_ArrVal_253 (Array Int Int)) (v_arrayElimCell_97 Int)) (let ((.cse54 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~tail~0#1.base| (store .cse40 .cse41 v_ArrVal_243)) |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_253) v_arrayElimCell_97))) (or (<= 10 (select .cse54 v_arrayElimCell_96)) (<= 10 (select .cse54 0)) (<= 10 (select v_ArrVal_253 v_arrayElimCell_96))))) .cse55) (= (select .cse40 |c_ULTIMATE.start_main_~list~0#1.offset|) 10) (or .cse34 .cse42) .cse33 .cse56 (or (forall ((v_arrayElimCell_96 Int) (v_ArrVal_243 Int) (v_ArrVal_256 (Array Int Int)) (v_arrayElimCell_97 Int)) (let ((.cse57 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~tail~0#1.base| (store .cse40 .cse41 v_ArrVal_243)) |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_256) v_arrayElimCell_97))) (or (<= (select v_ArrVal_256 v_arrayElimCell_96) 20) (<= (select .cse57 0) 20) (<= (select .cse57 v_arrayElimCell_96) 20)))) .cse55)))))) is different from true [2022-11-25 23:59:14,478 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse3 (+ |c_ULTIMATE.start_main_~list~0#1.offset| 4))) (let ((.cse0 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~list~0#1.base|) .cse3)) (.cse1 (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~list~0#1.base|) .cse3)) (.cse2 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~p~0#1.base|) 0))) (and (forall ((v_ArrVal_253 (Array Int Int))) (<= 10 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_253) .cse0) .cse1))) (forall ((v_ArrVal_256 (Array Int Int))) (<= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_256) .cse0) .cse1) 20)) (not (< 20 .cse2)) (not (< .cse2 10)) (= |c_ULTIMATE.start_main_~p~0#1.offset| 0)))) is different from false [2022-11-25 23:59:14,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:59:14,500 INFO L93 Difference]: Finished difference Result 38 states and 51 transitions. [2022-11-25 23:59:14,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-25 23:59:14,501 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.5) internal successors, (40), 15 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 15 [2022-11-25 23:59:14,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:59:14,503 INFO L225 Difference]: With dead ends: 38 [2022-11-25 23:59:14,503 INFO L226 Difference]: Without dead ends: 36 [2022-11-25 23:59:14,504 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 28 SyntacticMatches, 6 SemanticMatches, 22 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=88, Invalid=337, Unknown=7, NotChecked=120, Total=552 [2022-11-25 23:59:14,504 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 24 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 44 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 23:59:14,505 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 71 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 77 Invalid, 0 Unknown, 44 Unchecked, 0.1s Time] [2022-11-25 23:59:14,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2022-11-25 23:59:14,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 33. [2022-11-25 23:59:14,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 32 states have (on average 1.40625) internal successors, (45), 32 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:59:14,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 45 transitions. [2022-11-25 23:59:14,530 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 45 transitions. Word has length 15 [2022-11-25 23:59:14,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:59:14,530 INFO L495 AbstractCegarLoop]: Abstraction has 33 states and 45 transitions. [2022-11-25 23:59:14,531 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.5) internal successors, (40), 15 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) [2022-11-25 23:59:14,531 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 45 transitions. [2022-11-25 23:59:14,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-25 23:59:14,531 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:59:14,532 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:59:14,544 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31e69689-70b4-4aee-9632-e040b82ed28b/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-25 23:59:14,738 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31e69689-70b4-4aee-9632-e040b82ed28b/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:59:14,739 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:59:14,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:59:14,739 INFO L85 PathProgramCache]: Analyzing trace with hash 928709866, now seen corresponding path program 1 times [2022-11-25 23:59:14,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:59:14,739 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651666897] [2022-11-25 23:59:14,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:59:14,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:59:14,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:59:15,303 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:59:15,303 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:59:15,303 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [651666897] [2022-11-25 23:59:15,304 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [651666897] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 23:59:15,304 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [115241734] [2022-11-25 23:59:15,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:59:15,304 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:59:15,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31e69689-70b4-4aee-9632-e040b82ed28b/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:59:15,305 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31e69689-70b4-4aee-9632-e040b82ed28b/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:59:15,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31e69689-70b4-4aee-9632-e040b82ed28b/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-25 23:59:15,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:59:15,403 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 27 conjunts are in the unsatisfiable core [2022-11-25 23:59:15,408 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:59:15,488 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 12 [2022-11-25 23:59:15,492 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-25 23:59:15,497 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-25 23:59:15,501 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-25 23:59:15,647 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 85 [2022-11-25 23:59:15,655 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 69 [2022-11-25 23:59:15,663 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 60 [2022-11-25 23:59:15,671 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 41 treesize of output 37 [2022-11-25 23:59:15,703 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-11-25 23:59:15,709 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-11-25 23:59:15,718 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:59:15,718 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 23:59:15,903 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:59:15,903 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 72 treesize of output 73 [2022-11-25 23:59:15,915 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:59:15,916 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 66 treesize of output 67 [2022-11-25 23:59:15,932 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:59:15,933 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 60 treesize of output 72 [2022-11-25 23:59:15,950 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 [2022-11-25 23:59:15,971 INFO L321 Elim1Store]: treesize reduction 4, result has 63.6 percent of original size [2022-11-25 23:59:15,972 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 30 treesize of output 25 [2022-11-25 23:59:15,987 INFO L321 Elim1Store]: treesize reduction 10, result has 9.1 percent of original size [2022-11-25 23:59:15,987 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 24 treesize of output 12 [2022-11-25 23:59:16,032 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:59:16,032 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [115241734] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 23:59:16,032 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [884213437] [2022-11-25 23:59:16,035 INFO L159 IcfgInterpreter]: Started Sifa with 10 locations of interest [2022-11-25 23:59:16,036 INFO L166 IcfgInterpreter]: Building call graph [2022-11-25 23:59:16,036 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-25 23:59:16,036 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-25 23:59:16,036 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-25 23:59:16,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:59:16,057 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 9 [2022-11-25 23:59:16,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:59:16,065 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 9 [2022-11-25 23:59:16,109 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-25 23:59:16,110 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 30 [2022-11-25 23:59:16,155 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-25 23:59:16,155 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-11-25 23:59:16,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:59:16,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:59:16,173 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 37 [2022-11-25 23:59:16,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:59:16,262 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 0 case distinctions, treesize of input 39 treesize of output 33 [2022-11-25 23:59:16,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:59:16,275 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2022-11-25 23:59:16,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:59:16,287 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2022-11-25 23:59:16,407 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 149 treesize of output 137 [2022-11-25 23:59:16,414 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 125 treesize of output 104 [2022-11-25 23:59:16,424 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 57 [2022-11-25 23:59:16,444 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 46 [2022-11-25 23:59:16,450 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 46 treesize of output 36 [2022-11-25 23:59:16,460 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 45 treesize of output 43 [2022-11-25 23:59:16,536 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 149 treesize of output 128 [2022-11-25 23:59:16,545 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 93 treesize of output 81 [2022-11-25 23:59:16,553 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 57 [2022-11-25 23:59:16,573 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 46 [2022-11-25 23:59:16,578 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 36 [2022-11-25 23:59:16,593 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 45 treesize of output 43 [2022-11-25 23:59:16,705 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-25 23:59:17,098 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '771#(and (<= 0 |ULTIMATE.start_main_~tail~0#1.offset|) (= |ULTIMATE.start_main_~list~0#1.offset| 0) (= |#NULL.offset| 0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0) (<= |ULTIMATE.start_main_~tail~0#1.offset| 0))' at error location [2022-11-25 23:59:17,098 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-25 23:59:17,098 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 23:59:17,098 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7, 7] total 16 [2022-11-25 23:59:17,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [479556026] [2022-11-25 23:59:17,099 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 23:59:17,099 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-11-25 23:59:17,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:59:17,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-11-25 23:59:17,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=269, Unknown=0, NotChecked=0, Total=342 [2022-11-25 23:59:17,101 INFO L87 Difference]: Start difference. First operand 33 states and 45 transitions. Second operand has 16 states, 16 states have (on average 2.625) internal successors, (42), 16 states have internal predecessors, (42), 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) [2022-11-25 23:59:17,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:59:17,957 INFO L93 Difference]: Finished difference Result 72 states and 96 transitions. [2022-11-25 23:59:17,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-25 23:59:17,958 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.625) internal successors, (42), 16 states have internal predecessors, (42), 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 16 [2022-11-25 23:59:17,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:59:17,959 INFO L225 Difference]: With dead ends: 72 [2022-11-25 23:59:17,959 INFO L226 Difference]: Without dead ends: 37 [2022-11-25 23:59:17,960 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 37 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 214 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=231, Invalid=761, Unknown=0, NotChecked=0, Total=992 [2022-11-25 23:59:17,962 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 61 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-25 23:59:17,962 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 127 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-25 23:59:17,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2022-11-25 23:59:17,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 32. [2022-11-25 23:59:17,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 31 states have (on average 1.2580645161290323) internal successors, (39), 31 states have internal predecessors, (39), 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) [2022-11-25 23:59:17,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 39 transitions. [2022-11-25 23:59:17,984 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 39 transitions. Word has length 16 [2022-11-25 23:59:17,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:59:17,985 INFO L495 AbstractCegarLoop]: Abstraction has 32 states and 39 transitions. [2022-11-25 23:59:17,985 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.625) internal successors, (42), 16 states have internal predecessors, (42), 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) [2022-11-25 23:59:17,985 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 39 transitions. [2022-11-25 23:59:17,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-25 23:59:17,986 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:59:17,986 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:59:17,995 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31e69689-70b4-4aee-9632-e040b82ed28b/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-25 23:59:18,187 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31e69689-70b4-4aee-9632-e040b82ed28b/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-11-25 23:59:18,187 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:59:18,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:59:18,188 INFO L85 PathProgramCache]: Analyzing trace with hash -980429168, now seen corresponding path program 2 times [2022-11-25 23:59:18,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:59:18,188 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547215644] [2022-11-25 23:59:18,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:59:18,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:59:18,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:59:19,152 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:59:19,152 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:59:19,152 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [547215644] [2022-11-25 23:59:19,152 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [547215644] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 23:59:19,152 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2130138493] [2022-11-25 23:59:19,153 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-25 23:59:19,153 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:59:19,153 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31e69689-70b4-4aee-9632-e040b82ed28b/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:59:19,156 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31e69689-70b4-4aee-9632-e040b82ed28b/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:59:19,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31e69689-70b4-4aee-9632-e040b82ed28b/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-25 23:59:19,350 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-11-25 23:59:19,350 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-25 23:59:19,353 INFO L263 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 46 conjunts are in the unsatisfiable core [2022-11-25 23:59:19,356 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:59:19,364 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-25 23:59:19,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:59:19,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:59:19,452 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 28 [2022-11-25 23:59:19,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:59:19,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:59:19,462 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 28 [2022-11-25 23:59:19,471 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2022-11-25 23:59:19,477 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:59:19,490 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-25 23:59:19,491 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 64 treesize of output 46 [2022-11-25 23:59:19,504 INFO L321 Elim1Store]: treesize reduction 4, result has 71.4 percent of original size [2022-11-25 23:59:19,504 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 17 treesize of output 17 [2022-11-25 23:59:19,514 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 31 [2022-11-25 23:59:19,519 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2022-11-25 23:59:19,527 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 27 [2022-11-25 23:59:19,710 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 99 [2022-11-25 23:59:19,720 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 76 [2022-11-25 23:59:19,732 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-25 23:59:19,732 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 88 treesize of output 80 [2022-11-25 23:59:19,741 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 41 treesize of output 37 [2022-11-25 23:59:19,854 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 8 treesize of output 1 [2022-11-25 23:59:19,963 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-25 23:59:19,964 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 220 treesize of output 152 [2022-11-25 23:59:19,982 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 115 treesize of output 124 [2022-11-25 23:59:20,008 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-11-25 23:59:20,009 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 142 treesize of output 106 [2022-11-25 23:59:20,018 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 49 treesize of output 37 [2022-11-25 23:59:20,040 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:59:20,050 INFO L321 Elim1Store]: treesize reduction 17, result has 15.0 percent of original size [2022-11-25 23:59:20,050 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 81 treesize of output 45 [2022-11-25 23:59:20,066 INFO L321 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-11-25 23:59:20,066 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 18 [2022-11-25 23:59:20,072 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:59:20,072 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 23:59:20,179 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:59:20,179 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 92 treesize of output 104 [2022-11-25 23:59:20,186 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 82 treesize of output 78 [2022-11-25 23:59:20,534 INFO L321 Elim1Store]: treesize reduction 15, result has 67.4 percent of original size [2022-11-25 23:59:20,534 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 489 treesize of output 432 [2022-11-25 23:59:20,677 INFO L321 Elim1Store]: treesize reduction 15, result has 67.4 percent of original size [2022-11-25 23:59:20,678 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 757 treesize of output 612 [2022-11-25 23:59:20,718 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:59:20,718 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 581 treesize of output 546 [2022-11-25 23:59:20,982 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:59:20,983 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 15 case distinctions, treesize of input 3796 treesize of output 3708 [2022-11-25 23:59:21,362 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:59:21,364 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 8662 treesize of output 8386 [2022-11-25 23:59:21,733 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:59:21,735 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 25808 treesize of output 24684 [2022-11-25 23:59:23,303 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:59:23,305 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 22730 treesize of output 21450 [2022-11-25 23:59:25,654 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:59:25,655 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 308 treesize of output 286 [2022-11-25 23:59:26,992 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 4 [2022-11-25 23:59:27,371 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 4