./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/openssl/s3_clnt.blast.01.i.cil-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e780f93-3b8d-4101-8169-4e0ad64fa3e7/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e780f93-3b8d-4101-8169-4e0ad64fa3e7/bin/utaipan-fb15Y9Yzbl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e780f93-3b8d-4101-8169-4e0ad64fa3e7/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e780f93-3b8d-4101-8169-4e0ad64fa3e7/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/openssl/s3_clnt.blast.01.i.cil-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e780f93-3b8d-4101-8169-4e0ad64fa3e7/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e780f93-3b8d-4101-8169-4e0ad64fa3e7/bin/utaipan-fb15Y9Yzbl --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 781939b227b3ba0a20ad2d0323c2d13ae338349fb5c0bf292cccf74fd05cfb42 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:11:22,892 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:11:22,895 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:11:22,947 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:11:22,949 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:11:22,950 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:11:22,952 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:11:22,955 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:11:22,958 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:11:22,959 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:11:22,963 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:11:22,969 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:11:22,970 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:11:22,978 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:11:22,980 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:11:22,981 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:11:22,982 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:11:22,984 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:11:22,986 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:11:22,995 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:11:22,998 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:11:23,001 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:11:23,006 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:11:23,007 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:11:23,018 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:11:23,018 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:11:23,019 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:11:23,021 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:11:23,022 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:11:23,023 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:11:23,024 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:11:23,025 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:11:23,027 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:11:23,028 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:11:23,030 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:11:23,030 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:11:23,031 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:11:23,031 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:11:23,031 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:11:23,035 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:11:23,036 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:11:23,037 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e780f93-3b8d-4101-8169-4e0ad64fa3e7/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-23 17:11:23,065 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:11:23,065 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:11:23,065 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:11:23,065 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:11:23,066 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:11:23,066 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:11:23,067 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:11:23,067 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:11:23,067 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:11:23,067 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 17:11:23,067 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:11:23,068 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:11:23,068 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 17:11:23,068 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 17:11:23,068 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:11:23,068 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 17:11:23,069 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 17:11:23,069 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 17:11:23,070 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:11:23,070 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 17:11:23,070 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 17:11:23,070 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 17:11:23,070 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:11:23,071 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:11:23,071 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:11:23,071 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:11:23,071 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 17:11:23,071 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:11:23,072 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:11:23,072 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:11:23,072 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:11:23,072 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:11:23,073 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:11:23,073 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:11:23,073 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:11:23,073 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:11:23,073 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 17:11:23,074 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 17:11:23,074 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:11:23,074 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:11:23,074 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:11:23,074 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_0e780f93-3b8d-4101-8169-4e0ad64fa3e7/bin/utaipan-fb15Y9Yzbl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e780f93-3b8d-4101-8169-4e0ad64fa3e7/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 781939b227b3ba0a20ad2d0323c2d13ae338349fb5c0bf292cccf74fd05cfb42 [2021-11-23 17:11:23,359 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:11:23,402 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:11:23,405 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:11:23,406 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:11:23,407 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:11:23,408 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e780f93-3b8d-4101-8169-4e0ad64fa3e7/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/openssl/s3_clnt.blast.01.i.cil-2.c [2021-11-23 17:11:23,486 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e780f93-3b8d-4101-8169-4e0ad64fa3e7/bin/utaipan-fb15Y9Yzbl/data/c0fbd2baa/10fbdb1114e04170a8ee4378fd3154dd/FLAG2e55098ec [2021-11-23 17:11:24,110 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:11:24,111 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e780f93-3b8d-4101-8169-4e0ad64fa3e7/sv-benchmarks/c/openssl/s3_clnt.blast.01.i.cil-2.c [2021-11-23 17:11:24,159 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e780f93-3b8d-4101-8169-4e0ad64fa3e7/bin/utaipan-fb15Y9Yzbl/data/c0fbd2baa/10fbdb1114e04170a8ee4378fd3154dd/FLAG2e55098ec [2021-11-23 17:11:24,349 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e780f93-3b8d-4101-8169-4e0ad64fa3e7/bin/utaipan-fb15Y9Yzbl/data/c0fbd2baa/10fbdb1114e04170a8ee4378fd3154dd [2021-11-23 17:11:24,351 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:11:24,353 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:11:24,359 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:11:24,360 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:11:24,364 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:11:24,365 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:11:24" (1/1) ... [2021-11-23 17:11:24,368 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68c87105 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:11:24, skipping insertion in model container [2021-11-23 17:11:24,369 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:11:24" (1/1) ... [2021-11-23 17:11:24,377 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:11:24,445 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:11:24,877 WARN L230 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_0e780f93-3b8d-4101-8169-4e0ad64fa3e7/sv-benchmarks/c/openssl/s3_clnt.blast.01.i.cil-2.c[65520,65533] [2021-11-23 17:11:24,891 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:11:24,913 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:11:25,109 WARN L230 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_0e780f93-3b8d-4101-8169-4e0ad64fa3e7/sv-benchmarks/c/openssl/s3_clnt.blast.01.i.cil-2.c[65520,65533] [2021-11-23 17:11:25,127 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:11:25,147 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:11:25,147 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:11:25 WrapperNode [2021-11-23 17:11:25,148 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:11:25,149 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:11:25,149 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:11:25,150 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:11:25,158 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:11:25" (1/1) ... [2021-11-23 17:11:25,202 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:11:25" (1/1) ... [2021-11-23 17:11:25,285 INFO L137 Inliner]: procedures = 31, calls = 217, calls flagged for inlining = 7, calls inlined = 3, statements flattened = 724 [2021-11-23 17:11:25,285 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:11:25,286 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:11:25,286 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:11:25,287 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:11:25,303 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:11:25" (1/1) ... [2021-11-23 17:11:25,303 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:11:25" (1/1) ... [2021-11-23 17:11:25,328 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:11:25" (1/1) ... [2021-11-23 17:11:25,328 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:11:25" (1/1) ... [2021-11-23 17:11:25,395 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:11:25" (1/1) ... [2021-11-23 17:11:25,409 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:11:25" (1/1) ... [2021-11-23 17:11:25,427 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:11:25" (1/1) ... [2021-11-23 17:11:25,434 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:11:25,445 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:11:25,445 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:11:25,445 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:11:25,446 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:11:25" (1/1) ... [2021-11-23 17:11:25,457 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:11:25,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e780f93-3b8d-4101-8169-4e0ad64fa3e7/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:11:25,484 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e780f93-3b8d-4101-8169-4e0ad64fa3e7/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:11:25,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e780f93-3b8d-4101-8169-4e0ad64fa3e7/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:11:25,543 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:11:25,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 17:11:25,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 17:11:25,544 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 17:11:25,544 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 17:11:25,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 17:11:25,545 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 17:11:25,545 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:11:25,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:11:25,793 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:11:25,810 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:11:25,835 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 17:11:28,790 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2021-11-23 17:11:28,791 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2021-11-23 17:11:28,791 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 17:11:28,896 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 17:11:28,907 INFO L158 Benchmark]: Toolchain (without parser) took 4551.58ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 49.2MB in the beginning and 73.6MB in the end (delta: -24.4MB). Peak memory consumption was 34.7MB. Max. memory is 16.1GB. [2021-11-23 17:11:28,909 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 88.1MB. Free memory was 68.2MB in the beginning and 68.1MB in the end (delta: 92.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:11:28,910 INFO L158 Benchmark]: CACSL2BoogieTranslator took 788.55ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 49.0MB in the beginning and 64.4MB in the end (delta: -15.4MB). Peak memory consumption was 4.6MB. Max. memory is 16.1GB. [2021-11-23 17:11:28,911 INFO L158 Benchmark]: Boogie Procedure Inliner took 136.34ms. Allocated memory is still 107.0MB. Free memory was 64.4MB in the beginning and 59.8MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 17:11:28,912 INFO L158 Benchmark]: Boogie Preprocessor took 157.61ms. Allocated memory is still 107.0MB. Free memory was 59.8MB in the beginning and 53.1MB in the end (delta: 6.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 17:11:28,913 INFO L158 Benchmark]: RCFGBuilder took 3459.05ms. Allocated memory is still 107.0MB. Free memory was 53.1MB in the beginning and 73.6MB in the end (delta: -20.5MB). Peak memory consumption was 23.8MB. Max. memory is 16.1GB. [2021-11-23 17:11:28,924 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 88.1MB. Free memory was 68.2MB in the beginning and 68.1MB in the end (delta: 92.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 788.55ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 49.0MB in the beginning and 64.4MB in the end (delta: -15.4MB). Peak memory consumption was 4.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 136.34ms. Allocated memory is still 107.0MB. Free memory was 64.4MB in the beginning and 59.8MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 157.61ms. Allocated memory is still 107.0MB. Free memory was 59.8MB in the beginning and 53.1MB in the end (delta: 6.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 3459.05ms. Allocated memory is still 107.0MB. Free memory was 53.1MB in the beginning and 73.6MB in the end (delta: -20.5MB). Peak memory consumption was 23.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 17:11:28,975 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e780f93-3b8d-4101-8169-4e0ad64fa3e7/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e780f93-3b8d-4101-8169-4e0ad64fa3e7/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e780f93-3b8d-4101-8169-4e0ad64fa3e7/bin/utaipan-fb15Y9Yzbl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e780f93-3b8d-4101-8169-4e0ad64fa3e7/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e780f93-3b8d-4101-8169-4e0ad64fa3e7/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/openssl/s3_clnt.blast.01.i.cil-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e780f93-3b8d-4101-8169-4e0ad64fa3e7/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e780f93-3b8d-4101-8169-4e0ad64fa3e7/bin/utaipan-fb15Y9Yzbl --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 781939b227b3ba0a20ad2d0323c2d13ae338349fb5c0bf292cccf74fd05cfb42 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:11:31,499 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:11:31,502 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:11:31,558 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:11:31,558 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:11:31,563 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:11:31,564 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:11:31,569 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:11:31,572 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:11:31,579 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:11:31,581 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:11:31,583 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:11:31,583 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:11:31,586 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:11:31,588 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:11:31,593 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:11:31,594 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:11:31,596 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:11:31,597 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:11:31,608 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:11:31,610 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:11:31,611 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:11:31,614 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:11:31,617 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:11:31,626 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:11:31,626 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:11:31,627 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:11:31,629 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:11:31,629 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:11:31,630 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:11:31,631 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:11:31,632 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:11:31,633 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:11:31,634 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:11:31,636 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:11:31,636 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:11:31,637 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:11:31,637 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:11:31,637 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:11:31,639 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:11:31,640 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:11:31,645 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e780f93-3b8d-4101-8169-4e0ad64fa3e7/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-23 17:11:31,689 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:11:31,689 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:11:31,690 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:11:31,690 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:11:31,691 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:11:31,691 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:11:31,691 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:11:31,691 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:11:31,692 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:11:31,692 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:11:31,693 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:11:31,693 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:11:31,694 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:11:31,695 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 17:11:31,695 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 17:11:31,695 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:11:31,695 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:11:31,695 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:11:31,696 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:11:31,696 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 17:11:31,696 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 17:11:31,696 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 17:11:31,696 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 17:11:31,696 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:11:31,697 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:11:31,697 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:11:31,697 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:11:31,697 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 17:11:31,697 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:11:31,698 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:11:31,698 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:11:31,698 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:11:31,699 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:11:31,699 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 17:11:31,699 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 17:11:31,699 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:11:31,699 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:11:31,700 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:11:31,700 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_0e780f93-3b8d-4101-8169-4e0ad64fa3e7/bin/utaipan-fb15Y9Yzbl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e780f93-3b8d-4101-8169-4e0ad64fa3e7/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 781939b227b3ba0a20ad2d0323c2d13ae338349fb5c0bf292cccf74fd05cfb42 [2021-11-23 17:11:32,095 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:11:32,119 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:11:32,122 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:11:32,123 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:11:32,125 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:11:32,126 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e780f93-3b8d-4101-8169-4e0ad64fa3e7/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/openssl/s3_clnt.blast.01.i.cil-2.c [2021-11-23 17:11:32,215 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e780f93-3b8d-4101-8169-4e0ad64fa3e7/bin/utaipan-fb15Y9Yzbl/data/226234b05/f5f12d1dca764c18b53811be5fb7984b/FLAGb08803916 [2021-11-23 17:11:33,007 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:11:33,008 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e780f93-3b8d-4101-8169-4e0ad64fa3e7/sv-benchmarks/c/openssl/s3_clnt.blast.01.i.cil-2.c [2021-11-23 17:11:33,038 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e780f93-3b8d-4101-8169-4e0ad64fa3e7/bin/utaipan-fb15Y9Yzbl/data/226234b05/f5f12d1dca764c18b53811be5fb7984b/FLAGb08803916 [2021-11-23 17:11:33,222 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e780f93-3b8d-4101-8169-4e0ad64fa3e7/bin/utaipan-fb15Y9Yzbl/data/226234b05/f5f12d1dca764c18b53811be5fb7984b [2021-11-23 17:11:33,226 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:11:33,228 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:11:33,231 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:11:33,232 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:11:33,235 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:11:33,237 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:11:33" (1/1) ... [2021-11-23 17:11:33,241 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@629de5a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:11:33, skipping insertion in model container [2021-11-23 17:11:33,241 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:11:33" (1/1) ... [2021-11-23 17:11:33,248 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:11:33,323 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:11:33,862 WARN L230 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_0e780f93-3b8d-4101-8169-4e0ad64fa3e7/sv-benchmarks/c/openssl/s3_clnt.blast.01.i.cil-2.c[65520,65533] [2021-11-23 17:11:33,878 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:11:33,921 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-23 17:11:33,938 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:11:34,082 WARN L230 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_0e780f93-3b8d-4101-8169-4e0ad64fa3e7/sv-benchmarks/c/openssl/s3_clnt.blast.01.i.cil-2.c[65520,65533] [2021-11-23 17:11:34,085 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:11:34,106 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:11:34,189 WARN L230 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_0e780f93-3b8d-4101-8169-4e0ad64fa3e7/sv-benchmarks/c/openssl/s3_clnt.blast.01.i.cil-2.c[65520,65533] [2021-11-23 17:11:34,192 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:11:34,212 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:11:34,212 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:11:34 WrapperNode [2021-11-23 17:11:34,213 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:11:34,214 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:11:34,214 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:11:34,214 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:11:34,222 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:11:34" (1/1) ... [2021-11-23 17:11:34,271 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:11:34" (1/1) ... [2021-11-23 17:11:34,320 INFO L137 Inliner]: procedures = 35, calls = 217, calls flagged for inlining = 7, calls inlined = 3, statements flattened = 694 [2021-11-23 17:11:34,321 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:11:34,321 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:11:34,322 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:11:34,322 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:11:34,331 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:11:34" (1/1) ... [2021-11-23 17:11:34,331 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:11:34" (1/1) ... [2021-11-23 17:11:34,341 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:11:34" (1/1) ... [2021-11-23 17:11:34,342 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:11:34" (1/1) ... [2021-11-23 17:11:34,399 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:11:34" (1/1) ... [2021-11-23 17:11:34,412 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:11:34" (1/1) ... [2021-11-23 17:11:34,432 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:11:34" (1/1) ... [2021-11-23 17:11:34,439 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:11:34,440 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:11:34,440 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:11:34,440 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:11:34,441 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:11:34" (1/1) ... [2021-11-23 17:11:34,480 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:11:34,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e780f93-3b8d-4101-8169-4e0ad64fa3e7/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:11:34,534 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e780f93-3b8d-4101-8169-4e0ad64fa3e7/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:11:34,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e780f93-3b8d-4101-8169-4e0ad64fa3e7/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:11:34,590 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:11:34,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 17:11:34,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 17:11:34,591 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 17:11:34,591 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 17:11:34,591 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 17:11:34,591 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:11:34,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:11:34,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 17:11:34,850 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:11:34,852 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:11:34,877 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 17:11:43,507 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2021-11-23 17:11:43,507 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2021-11-23 17:11:43,507 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 17:11:43,516 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 17:11:43,517 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 17:11:43,519 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:11:43 BoogieIcfgContainer [2021-11-23 17:11:43,519 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 17:11:43,521 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 17:11:43,521 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 17:11:43,524 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 17:11:43,524 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 05:11:33" (1/3) ... [2021-11-23 17:11:43,525 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@223a2eb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:11:43, skipping insertion in model container [2021-11-23 17:11:43,525 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:11:34" (2/3) ... [2021-11-23 17:11:43,526 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@223a2eb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:11:43, skipping insertion in model container [2021-11-23 17:11:43,526 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:11:43" (3/3) ... [2021-11-23 17:11:43,527 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_clnt.blast.01.i.cil-2.c [2021-11-23 17:11:43,533 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 17:11:43,533 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 17:11:43,583 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 17:11:43,589 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-11-23 17:11:43,589 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 17:11:43,606 INFO L276 IsEmpty]: Start isEmpty. Operand has 131 states, 129 states have (on average 1.689922480620155) internal successors, (218), 130 states have internal predecessors, (218), 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) [2021-11-23 17:11:43,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 17:11:43,613 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 17:11:43,614 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 17:11:43,614 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 17:11:43,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 17:11:43,620 INFO L85 PathProgramCache]: Analyzing trace with hash -1457703967, now seen corresponding path program 1 times [2021-11-23 17:11:43,633 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 17:11:43,634 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1360028306] [2021-11-23 17:11:43,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 17:11:43,635 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 17:11:43,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e780f93-3b8d-4101-8169-4e0ad64fa3e7/bin/utaipan-fb15Y9Yzbl/mathsat [2021-11-23 17:11:43,640 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e780f93-3b8d-4101-8169-4e0ad64fa3e7/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 17:11:43,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e780f93-3b8d-4101-8169-4e0ad64fa3e7/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-23 17:11:44,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 17:11:44,680 INFO L263 TraceCheckSpWp]: Trace formula consists of 1234 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-23 17:11:44,687 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 17:11:44,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 17:11:44,901 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 17:11:44,902 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 17:11:44,902 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1360028306] [2021-11-23 17:11:44,903 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1360028306] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 17:11:44,903 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 17:11:44,903 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 17:11:44,905 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134812734] [2021-11-23 17:11:44,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 17:11:44,911 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 17:11:44,911 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 17:11:44,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 17:11:44,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 17:11:44,957 INFO L87 Difference]: Start difference. First operand has 131 states, 129 states have (on average 1.689922480620155) internal successors, (218), 130 states have internal predecessors, (218), 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 3 states, 3 states have (on average 8.0) internal successors, (24), 3 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) [2021-11-23 17:11:45,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 17:11:45,137 INFO L93 Difference]: Finished difference Result 375 states and 626 transitions. [2021-11-23 17:11:45,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 17:11:45,139 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 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) Word has length 24 [2021-11-23 17:11:45,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 17:11:45,152 INFO L225 Difference]: With dead ends: 375 [2021-11-23 17:11:45,153 INFO L226 Difference]: Without dead ends: 217 [2021-11-23 17:11:45,156 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 17:11:45,160 INFO L933 BasicCegarLoop]: 209 mSDtfsCounter, 181 mSDsluCounter, 193 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 181 SdHoareTripleChecker+Valid, 402 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 17:11:45,161 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [181 Valid, 402 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 17:11:45,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2021-11-23 17:11:45,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 217. [2021-11-23 17:11:45,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 217 states, 216 states have (on average 1.4861111111111112) internal successors, (321), 216 states have internal predecessors, (321), 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) [2021-11-23 17:11:45,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 321 transitions. [2021-11-23 17:11:45,216 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 321 transitions. Word has length 24 [2021-11-23 17:11:45,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 17:11:45,217 INFO L470 AbstractCegarLoop]: Abstraction has 217 states and 321 transitions. [2021-11-23 17:11:45,217 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 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) [2021-11-23 17:11:45,217 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 321 transitions. [2021-11-23 17:11:45,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 17:11:45,220 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 17:11:45,220 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 17:11:45,249 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e780f93-3b8d-4101-8169-4e0ad64fa3e7/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-23 17:11:45,428 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e780f93-3b8d-4101-8169-4e0ad64fa3e7/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 [2021-11-23 17:11:45,429 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 17:11:45,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 17:11:45,430 INFO L85 PathProgramCache]: Analyzing trace with hash 546953675, now seen corresponding path program 1 times [2021-11-23 17:11:45,431 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 17:11:45,431 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1032584450] [2021-11-23 17:11:45,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 17:11:45,432 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 17:11:45,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e780f93-3b8d-4101-8169-4e0ad64fa3e7/bin/utaipan-fb15Y9Yzbl/mathsat [2021-11-23 17:11:45,433 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e780f93-3b8d-4101-8169-4e0ad64fa3e7/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 17:11:45,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e780f93-3b8d-4101-8169-4e0ad64fa3e7/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-23 17:11:46,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 17:11:46,520 INFO L263 TraceCheckSpWp]: Trace formula consists of 1314 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-23 17:11:46,524 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 17:11:46,746 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 17:11:46,747 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 17:11:46,747 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 17:11:46,747 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1032584450] [2021-11-23 17:11:46,747 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1032584450] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 17:11:46,748 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 17:11:46,748 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 17:11:46,748 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [53477535] [2021-11-23 17:11:46,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 17:11:46,750 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 17:11:46,750 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 17:11:46,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 17:11:46,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 17:11:46,751 INFO L87 Difference]: Start difference. First operand 217 states and 321 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 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) [2021-11-23 17:11:48,783 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 17:11:48,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 17:11:48,895 INFO L93 Difference]: Finished difference Result 426 states and 636 transitions. [2021-11-23 17:11:48,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 17:11:48,896 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 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) Word has length 39 [2021-11-23 17:11:48,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 17:11:48,900 INFO L225 Difference]: With dead ends: 426 [2021-11-23 17:11:48,901 INFO L226 Difference]: Without dead ends: 319 [2021-11-23 17:11:48,902 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 17:11:48,904 INFO L933 BasicCegarLoop]: 309 mSDtfsCounter, 126 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 467 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-11-23 17:11:48,905 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [126 Valid, 467 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 17 Invalid, 1 Unknown, 0 Unchecked, 2.1s Time] [2021-11-23 17:11:48,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2021-11-23 17:11:48,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 319. [2021-11-23 17:11:48,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 318 states have (on average 1.4779874213836477) internal successors, (470), 318 states have internal predecessors, (470), 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) [2021-11-23 17:11:48,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 470 transitions. [2021-11-23 17:11:48,939 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 470 transitions. Word has length 39 [2021-11-23 17:11:48,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 17:11:48,940 INFO L470 AbstractCegarLoop]: Abstraction has 319 states and 470 transitions. [2021-11-23 17:11:48,940 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 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) [2021-11-23 17:11:48,940 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 470 transitions. [2021-11-23 17:11:48,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-23 17:11:48,944 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 17:11:48,944 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 17:11:48,980 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e780f93-3b8d-4101-8169-4e0ad64fa3e7/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-23 17:11:49,152 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e780f93-3b8d-4101-8169-4e0ad64fa3e7/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 [2021-11-23 17:11:49,153 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 17:11:49,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 17:11:49,153 INFO L85 PathProgramCache]: Analyzing trace with hash 1711683715, now seen corresponding path program 1 times [2021-11-23 17:11:49,155 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 17:11:49,155 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1946420735] [2021-11-23 17:11:49,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 17:11:49,155 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 17:11:49,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e780f93-3b8d-4101-8169-4e0ad64fa3e7/bin/utaipan-fb15Y9Yzbl/mathsat [2021-11-23 17:11:49,156 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e780f93-3b8d-4101-8169-4e0ad64fa3e7/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 17:11:49,161 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e780f93-3b8d-4101-8169-4e0ad64fa3e7/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-23 17:11:50,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 17:11:50,258 INFO L263 TraceCheckSpWp]: Trace formula consists of 1379 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-23 17:11:50,262 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 17:11:50,498 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 17:11:50,498 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 17:11:50,498 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 17:11:50,498 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1946420735] [2021-11-23 17:11:50,499 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1946420735] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 17:11:50,499 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 17:11:50,499 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 17:11:50,499 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705554674] [2021-11-23 17:11:50,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 17:11:50,500 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 17:11:50,500 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 17:11:50,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 17:11:50,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 17:11:50,501 INFO L87 Difference]: Start difference. First operand 319 states and 470 transitions. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 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) [2021-11-23 17:11:52,532 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 17:11:52,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 17:11:52,631 INFO L93 Difference]: Finished difference Result 632 states and 937 transitions. [2021-11-23 17:11:52,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 17:11:52,632 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 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 57 [2021-11-23 17:11:52,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 17:11:52,636 INFO L225 Difference]: With dead ends: 632 [2021-11-23 17:11:52,636 INFO L226 Difference]: Without dead ends: 423 [2021-11-23 17:11:52,637 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 17:11:52,639 INFO L933 BasicCegarLoop]: 316 mSDtfsCounter, 128 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 474 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-11-23 17:11:52,639 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [128 Valid, 474 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 17 Invalid, 1 Unknown, 0 Unchecked, 2.1s Time] [2021-11-23 17:11:52,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 423 states. [2021-11-23 17:11:52,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 423 to 423. [2021-11-23 17:11:52,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 423 states, 422 states have (on average 1.4739336492890995) internal successors, (622), 422 states have internal predecessors, (622), 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) [2021-11-23 17:11:52,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 423 states and 622 transitions. [2021-11-23 17:11:52,676 INFO L78 Accepts]: Start accepts. Automaton has 423 states and 622 transitions. Word has length 57 [2021-11-23 17:11:52,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 17:11:52,677 INFO L470 AbstractCegarLoop]: Abstraction has 423 states and 622 transitions. [2021-11-23 17:11:52,677 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 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) [2021-11-23 17:11:52,678 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 622 transitions. [2021-11-23 17:11:52,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-23 17:11:52,683 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 17:11:52,683 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 17:11:52,721 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e780f93-3b8d-4101-8169-4e0ad64fa3e7/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-23 17:11:52,896 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e780f93-3b8d-4101-8169-4e0ad64fa3e7/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 [2021-11-23 17:11:52,897 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 17:11:52,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 17:11:52,897 INFO L85 PathProgramCache]: Analyzing trace with hash 1922596163, now seen corresponding path program 1 times [2021-11-23 17:11:52,898 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 17:11:52,899 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [911405534] [2021-11-23 17:11:52,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 17:11:52,899 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 17:11:52,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e780f93-3b8d-4101-8169-4e0ad64fa3e7/bin/utaipan-fb15Y9Yzbl/mathsat [2021-11-23 17:11:52,900 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e780f93-3b8d-4101-8169-4e0ad64fa3e7/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 17:11:52,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e780f93-3b8d-4101-8169-4e0ad64fa3e7/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-23 17:11:54,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 17:11:54,145 INFO L263 TraceCheckSpWp]: Trace formula consists of 1450 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-23 17:11:54,149 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 17:11:54,396 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2021-11-23 17:11:54,397 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 17:11:54,397 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 17:11:54,397 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [911405534] [2021-11-23 17:11:54,398 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [911405534] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 17:11:54,398 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 17:11:54,398 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 17:11:54,398 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [209344190] [2021-11-23 17:11:54,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 17:11:54,399 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 17:11:54,399 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 17:11:54,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 17:11:54,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 17:11:54,400 INFO L87 Difference]: Start difference. First operand 423 states and 622 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 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) [2021-11-23 17:11:56,436 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 17:11:56,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 17:11:56,535 INFO L93 Difference]: Finished difference Result 839 states and 1240 transitions. [2021-11-23 17:11:56,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 17:11:56,536 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2021-11-23 17:11:56,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 17:11:56,541 INFO L225 Difference]: With dead ends: 839 [2021-11-23 17:11:56,541 INFO L226 Difference]: Without dead ends: 526 [2021-11-23 17:11:56,542 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 17:11:56,543 INFO L933 BasicCegarLoop]: 315 mSDtfsCounter, 128 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 473 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-11-23 17:11:56,544 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [128 Valid, 473 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 17 Invalid, 1 Unknown, 0 Unchecked, 2.1s Time] [2021-11-23 17:11:56,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 526 states. [2021-11-23 17:11:56,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 526 to 526. [2021-11-23 17:11:56,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 526 states, 525 states have (on average 1.4723809523809523) internal successors, (773), 525 states have internal predecessors, (773), 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) [2021-11-23 17:11:56,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 526 states and 773 transitions. [2021-11-23 17:11:56,574 INFO L78 Accepts]: Start accepts. Automaton has 526 states and 773 transitions. Word has length 77 [2021-11-23 17:11:56,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 17:11:56,575 INFO L470 AbstractCegarLoop]: Abstraction has 526 states and 773 transitions. [2021-11-23 17:11:56,575 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 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) [2021-11-23 17:11:56,576 INFO L276 IsEmpty]: Start isEmpty. Operand 526 states and 773 transitions. [2021-11-23 17:11:56,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-11-23 17:11:56,580 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 17:11:56,581 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 17:11:56,616 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e780f93-3b8d-4101-8169-4e0ad64fa3e7/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-23 17:11:56,804 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e780f93-3b8d-4101-8169-4e0ad64fa3e7/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 [2021-11-23 17:11:56,805 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 17:11:56,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 17:11:56,805 INFO L85 PathProgramCache]: Analyzing trace with hash -158208422, now seen corresponding path program 1 times [2021-11-23 17:11:56,806 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 17:11:56,806 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1203697070] [2021-11-23 17:11:56,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 17:11:56,807 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 17:11:56,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e780f93-3b8d-4101-8169-4e0ad64fa3e7/bin/utaipan-fb15Y9Yzbl/mathsat [2021-11-23 17:11:56,808 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e780f93-3b8d-4101-8169-4e0ad64fa3e7/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 17:11:56,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e780f93-3b8d-4101-8169-4e0ad64fa3e7/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-23 17:11:57,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 17:11:58,066 INFO L263 TraceCheckSpWp]: Trace formula consists of 1521 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-23 17:11:58,070 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 17:11:58,362 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2021-11-23 17:11:58,362 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 17:11:58,362 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 17:11:58,363 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1203697070] [2021-11-23 17:11:58,363 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1203697070] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 17:11:58,363 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 17:11:58,363 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 17:11:58,363 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142761426] [2021-11-23 17:11:58,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 17:11:58,364 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 17:11:58,364 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 17:11:58,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 17:11:58,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 17:11:58,365 INFO L87 Difference]: Start difference. First operand 526 states and 773 transitions. Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 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) [2021-11-23 17:12:00,394 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 17:12:00,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 17:12:00,473 INFO L93 Difference]: Finished difference Result 939 states and 1381 transitions. [2021-11-23 17:12:00,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 17:12:00,474 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 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 98 [2021-11-23 17:12:00,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 17:12:00,478 INFO L225 Difference]: With dead ends: 939 [2021-11-23 17:12:00,478 INFO L226 Difference]: Without dead ends: 523 [2021-11-23 17:12:00,479 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 17:12:00,483 INFO L933 BasicCegarLoop]: 312 mSDtfsCounter, 128 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 469 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-11-23 17:12:00,483 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [128 Valid, 469 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 15 Invalid, 1 Unknown, 0 Unchecked, 2.1s Time] [2021-11-23 17:12:00,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 523 states. [2021-11-23 17:12:00,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 523 to 523. [2021-11-23 17:12:00,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 523 states, 522 states have (on average 1.4616858237547892) internal successors, (763), 522 states have internal predecessors, (763), 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) [2021-11-23 17:12:00,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 523 states and 763 transitions. [2021-11-23 17:12:00,516 INFO L78 Accepts]: Start accepts. Automaton has 523 states and 763 transitions. Word has length 98 [2021-11-23 17:12:00,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 17:12:00,517 INFO L470 AbstractCegarLoop]: Abstraction has 523 states and 763 transitions. [2021-11-23 17:12:00,517 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 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) [2021-11-23 17:12:00,517 INFO L276 IsEmpty]: Start isEmpty. Operand 523 states and 763 transitions. [2021-11-23 17:12:00,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-23 17:12:00,521 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 17:12:00,521 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 17:12:00,555 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e780f93-3b8d-4101-8169-4e0ad64fa3e7/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (6)] Ended with exit code 0 [2021-11-23 17:12:00,736 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e780f93-3b8d-4101-8169-4e0ad64fa3e7/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 [2021-11-23 17:12:00,737 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 17:12:00,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 17:12:00,737 INFO L85 PathProgramCache]: Analyzing trace with hash -1855651051, now seen corresponding path program 1 times [2021-11-23 17:12:00,738 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 17:12:00,738 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1223425477] [2021-11-23 17:12:00,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 17:12:00,739 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 17:12:00,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e780f93-3b8d-4101-8169-4e0ad64fa3e7/bin/utaipan-fb15Y9Yzbl/mathsat [2021-11-23 17:12:00,740 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e780f93-3b8d-4101-8169-4e0ad64fa3e7/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 17:12:00,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e780f93-3b8d-4101-8169-4e0ad64fa3e7/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-23 17:12:02,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 17:12:02,946 INFO L263 TraceCheckSpWp]: Trace formula consists of 1525 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 17:12:02,951 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 17:12:04,943 INFO L354 Elim1Store]: treesize reduction 32, result has 78.5 percent of original size [2021-11-23 17:12:04,945 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 10 case distinctions, treesize of input 1482 treesize of output 1090 [2021-11-23 17:12:07,096 INFO L354 Elim1Store]: treesize reduction 1374, result has 25.4 percent of original size [2021-11-23 17:12:07,098 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 9 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 10 new quantified variables, introduced 18 case distinctions, treesize of input 4114 treesize of output 2116 [2021-11-23 17:12:07,211 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 1711 treesize of output 1297 [2021-11-23 17:12:07,372 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 17:12:07,373 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 1227 treesize of output 1095 [2021-11-23 17:12:07,437 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 1797 treesize of output 1599 [2021-11-23 17:12:07,830 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 17:12:07,831 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 1333 treesize of output 1069 [2021-11-23 17:12:07,936 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 145 treesize of output 121 [2021-11-23 17:12:08,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:12:08,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:12:08,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:12:08,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:12:08,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:12:08,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:12:08,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:12:08,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:12:08,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:12:08,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:12:08,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:12:08,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:12:08,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:12:08,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:12:08,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:12:08,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:12:08,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:12:08,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:12:08,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:12:08,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:12:08,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:12:08,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:12:08,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:12:08,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:12:08,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:12:08,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:12:08,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:12:08,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:12:08,486 INFO L244 Elim1Store]: Index analysis took 446 ms [2021-11-23 17:12:08,838 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 31 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 136 treesize of output 87 [2021-11-23 17:12:08,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:12:08,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:12:08,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:12:08,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:12:09,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:12:09,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:12:09,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:12:09,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:12:09,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:12:09,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:12:09,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:12:09,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:12:09,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:12:09,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:12:09,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:12:09,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:12:09,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:12:09,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:12:09,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:12:09,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:12:09,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:12:09,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:12:09,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:12:09,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:12:09,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:12:09,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:12:09,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:12:09,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:12:09,300 INFO L244 Elim1Store]: Index analysis took 317 ms [2021-11-23 17:12:09,540 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 31 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 208 treesize of output 111 [2021-11-23 17:12:09,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:12:09,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:12:09,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:12:09,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:12:09,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:12:09,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:12:09,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:12:09,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:12:09,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:12:09,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:12:09,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:12:09,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:12:09,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:12:09,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:12:09,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:12:09,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:12:09,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:12:09,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:12:09,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:12:09,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:12:09,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:12:09,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:12:09,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:12:09,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:12:09,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:12:09,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:12:09,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:12:09,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:12:09,947 INFO L244 Elim1Store]: Index analysis took 294 ms [2021-11-23 17:12:10,206 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 31 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 208 treesize of output 111 [2021-11-23 17:12:10,321 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 135 treesize of output 115 [2021-11-23 17:13:35,483 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 17:13:35,484 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 69 treesize of output 73 [2021-11-23 17:13:35,819 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 17:13:35,820 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 62 treesize of output 66 [2021-11-23 17:13:36,975 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 7 treesize of output 5 [2021-11-23 17:13:37,036 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-11-23 17:13:37,147 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-11-23 17:13:37,193 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-11-23 17:13:38,147 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 7 treesize of output 5 [2021-11-23 17:13:38,270 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-11-23 17:13:38,717 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 7 treesize of output 5 [2021-11-23 17:13:39,079 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 17:13:39,079 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 83 treesize of output 87 [2021-11-23 17:13:40,003 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 17:13:40,004 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 68 treesize of output 56 [2021-11-23 17:13:40,206 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 7 treesize of output 5 [2021-11-23 17:13:40,472 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 17:13:40,472 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 151 treesize of output 139 [2021-11-23 17:13:41,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:41,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:41,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:41,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:41,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:41,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:41,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:41,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:41,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:41,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:41,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:41,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:41,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:41,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:41,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:41,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:41,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:41,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:41,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:41,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:41,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:41,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:41,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:41,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:41,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:41,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:41,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:41,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:41,389 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 49 [2021-11-23 17:13:42,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:42,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:42,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:42,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:42,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:42,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:42,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:42,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:42,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:42,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:42,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:42,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:42,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:42,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:42,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:42,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:42,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:42,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:42,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:42,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:42,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:42,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:42,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:42,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:42,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:42,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:42,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:42,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:42,196 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 49 [2021-11-23 17:13:42,786 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 17:13:42,787 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 351 treesize of output 313 [2021-11-23 17:13:45,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:45,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:45,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:45,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:45,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:45,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:45,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:45,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:45,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:45,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:45,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:45,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:45,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:45,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:45,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:45,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:45,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:45,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:45,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:45,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:45,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:45,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:45,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:45,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:45,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:45,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:45,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:45,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:45,807 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 133 treesize of output 85 [2021-11-23 17:13:45,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:45,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:45,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:45,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:45,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:45,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:46,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:46,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:46,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:46,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:46,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:46,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:46,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:46,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:46,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:46,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:46,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:46,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:46,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:46,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:46,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:46,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:46,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:46,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:46,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:46,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:46,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:46,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:46,062 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 49 [2021-11-23 17:13:46,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:46,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:46,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:46,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:46,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:46,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:47,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:47,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:47,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:47,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:47,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:47,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:47,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:47,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:47,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:47,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:47,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:47,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:47,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:47,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:47,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:47,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:47,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:47,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:47,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:47,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:47,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:47,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:47,067 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 133 treesize of output 85 [2021-11-23 17:13:47,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:47,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:47,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:47,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:47,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:47,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:47,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:47,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:47,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:47,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:47,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:47,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:47,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:47,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:47,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:47,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:47,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:47,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:47,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:47,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:47,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:47,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:47,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:47,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:47,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:47,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:47,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:47,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:13:47,409 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 133 treesize of output 85 [2021-11-23 17:13:49,355 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 17:13:49,356 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 570 treesize of output 584