./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/systemc/pipeline.cil-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2b6f04a-5ac4-4ce3-ac7c-56daa6ca26f2/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2b6f04a-5ac4-4ce3-ac7c-56daa6ca26f2/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2b6f04a-5ac4-4ce3-ac7c-56daa6ca26f2/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2b6f04a-5ac4-4ce3-ac7c-56daa6ca26f2/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/systemc/pipeline.cil-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2b6f04a-5ac4-4ce3-ac7c-56daa6ca26f2/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2b6f04a-5ac4-4ce3-ac7c-56daa6ca26f2/bin/utaipan-vmNK8stdcF --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 c42f0f019aa30bac52b753d657fd0a7a27ad0fcef5ea61d179259276789b8861 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 23:08:09,957 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 23:08:09,959 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 23:08:10,000 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 23:08:10,001 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 23:08:10,003 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 23:08:10,004 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 23:08:10,007 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 23:08:10,009 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 23:08:10,010 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 23:08:10,011 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 23:08:10,013 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 23:08:10,013 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 23:08:10,015 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 23:08:10,019 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 23:08:10,023 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 23:08:10,025 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 23:08:10,033 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 23:08:10,035 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 23:08:10,040 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 23:08:10,047 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 23:08:10,048 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 23:08:10,050 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 23:08:10,052 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 23:08:10,056 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 23:08:10,060 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 23:08:10,061 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 23:08:10,063 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 23:08:10,064 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 23:08:10,066 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 23:08:10,067 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 23:08:10,068 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 23:08:10,070 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 23:08:10,071 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 23:08:10,073 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 23:08:10,074 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 23:08:10,074 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 23:08:10,075 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 23:08:10,075 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 23:08:10,076 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 23:08:10,077 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 23:08:10,078 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2b6f04a-5ac4-4ce3-ac7c-56daa6ca26f2/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-12 23:08:10,134 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 23:08:10,136 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 23:08:10,138 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 23:08:10,138 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 23:08:10,139 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 23:08:10,139 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 23:08:10,139 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 23:08:10,139 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-12 23:08:10,146 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 23:08:10,146 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 23:08:10,147 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-12 23:08:10,148 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-12 23:08:10,148 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 23:08:10,148 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-12 23:08:10,149 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-12 23:08:10,149 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-12 23:08:10,150 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 23:08:10,150 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-12 23:08:10,150 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-12 23:08:10,150 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-12 23:08:10,150 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 23:08:10,151 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-12 23:08:10,151 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 23:08:10,151 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-12 23:08:10,151 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 23:08:10,152 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-12 23:08:10,152 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-12 23:08:10,152 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 23:08:10,152 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-12 23:08:10,154 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 23:08:10,154 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 23:08:10,155 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:08:10,155 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 23:08:10,155 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 23:08:10,156 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-12 23:08:10,156 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-12 23:08:10,156 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-12 23:08:10,156 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-12 23:08:10,156 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 23:08:10,157 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 23:08:10,157 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_b2b6f04a-5ac4-4ce3-ac7c-56daa6ca26f2/bin/utaipan-vmNK8stdcF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2b6f04a-5ac4-4ce3-ac7c-56daa6ca26f2/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c42f0f019aa30bac52b753d657fd0a7a27ad0fcef5ea61d179259276789b8861 [2021-11-12 23:08:10,419 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 23:08:10,443 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 23:08:10,447 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 23:08:10,448 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 23:08:10,450 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 23:08:10,452 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2b6f04a-5ac4-4ce3-ac7c-56daa6ca26f2/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/systemc/pipeline.cil-2.c [2021-11-12 23:08:10,525 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2b6f04a-5ac4-4ce3-ac7c-56daa6ca26f2/bin/utaipan-vmNK8stdcF/data/7c2c80d63/ed47c5b6ec4f42f496a997e9e522bbd6/FLAG567dd4ea4 [2021-11-12 23:08:11,047 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 23:08:11,048 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2b6f04a-5ac4-4ce3-ac7c-56daa6ca26f2/sv-benchmarks/c/systemc/pipeline.cil-2.c [2021-11-12 23:08:11,059 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2b6f04a-5ac4-4ce3-ac7c-56daa6ca26f2/bin/utaipan-vmNK8stdcF/data/7c2c80d63/ed47c5b6ec4f42f496a997e9e522bbd6/FLAG567dd4ea4 [2021-11-12 23:08:11,366 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2b6f04a-5ac4-4ce3-ac7c-56daa6ca26f2/bin/utaipan-vmNK8stdcF/data/7c2c80d63/ed47c5b6ec4f42f496a997e9e522bbd6 [2021-11-12 23:08:11,369 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 23:08:11,371 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 23:08:11,373 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 23:08:11,373 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 23:08:11,377 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 23:08:11,378 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:08:11" (1/1) ... [2021-11-12 23:08:11,379 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1440644e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:08:11, skipping insertion in model container [2021-11-12 23:08:11,379 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:08:11" (1/1) ... [2021-11-12 23:08:11,387 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 23:08:11,433 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:08:11,629 WARN L228 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_b2b6f04a-5ac4-4ce3-ac7c-56daa6ca26f2/sv-benchmarks/c/systemc/pipeline.cil-2.c[640,653] [2021-11-12 23:08:11,719 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:08:11,730 INFO L203 MainTranslator]: Completed pre-run [2021-11-12 23:08:11,743 WARN L228 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_b2b6f04a-5ac4-4ce3-ac7c-56daa6ca26f2/sv-benchmarks/c/systemc/pipeline.cil-2.c[640,653] [2021-11-12 23:08:11,793 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:08:11,817 INFO L208 MainTranslator]: Completed translation [2021-11-12 23:08:11,818 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:08:11 WrapperNode [2021-11-12 23:08:11,818 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 23:08:11,819 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-12 23:08:11,819 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-12 23:08:11,819 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-12 23:08:11,825 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:08:11" (1/1) ... [2021-11-12 23:08:11,836 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:08:11" (1/1) ... [2021-11-12 23:08:11,876 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-12 23:08:11,877 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-12 23:08:11,877 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-12 23:08:11,877 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-12 23:08:11,884 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:08:11" (1/1) ... [2021-11-12 23:08:11,884 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:08:11" (1/1) ... [2021-11-12 23:08:11,888 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:08:11" (1/1) ... [2021-11-12 23:08:11,889 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:08:11" (1/1) ... [2021-11-12 23:08:11,898 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:08:11" (1/1) ... [2021-11-12 23:08:11,908 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:08:11" (1/1) ... [2021-11-12 23:08:11,911 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:08:11" (1/1) ... [2021-11-12 23:08:11,916 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-12 23:08:11,917 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-12 23:08:11,917 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-12 23:08:11,917 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-12 23:08:11,918 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:08:11" (1/1) ... [2021-11-12 23:08:11,925 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:08:11,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2b6f04a-5ac4-4ce3-ac7c-56daa6ca26f2/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:08:11,963 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2b6f04a-5ac4-4ce3-ac7c-56daa6ca26f2/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-12 23:08:11,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2b6f04a-5ac4-4ce3-ac7c-56daa6ca26f2/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-12 23:08:12,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-12 23:08:12,008 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-12 23:08:12,009 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2021-11-12 23:08:12,009 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2021-11-12 23:08:12,009 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-12 23:08:12,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-12 23:08:13,325 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-12 23:08:13,325 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-12 23:08:13,328 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:08:13 BoogieIcfgContainer [2021-11-12 23:08:13,329 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-12 23:08:13,331 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-12 23:08:13,331 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-12 23:08:13,335 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-12 23:08:13,335 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 11:08:11" (1/3) ... [2021-11-12 23:08:13,336 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@321b7feb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 11:08:13, skipping insertion in model container [2021-11-12 23:08:13,337 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:08:11" (2/3) ... [2021-11-12 23:08:13,337 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@321b7feb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 11:08:13, skipping insertion in model container [2021-11-12 23:08:13,337 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:08:13" (3/3) ... [2021-11-12 23:08:13,339 INFO L111 eAbstractionObserver]: Analyzing ICFG pipeline.cil-2.c [2021-11-12 23:08:13,349 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-12 23:08:13,350 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-12 23:08:13,424 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-12 23:08:13,431 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 [2021-11-12 23:08:13,432 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-12 23:08:13,450 INFO L276 IsEmpty]: Start isEmpty. Operand has 30 states, 24 states have (on average 1.6666666666666667) internal successors, (40), 26 states have internal predecessors, (40), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-12 23:08:13,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-12 23:08:13,458 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:08:13,458 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:08:13,459 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:08:13,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:08:13,466 INFO L85 PathProgramCache]: Analyzing trace with hash 1030469667, now seen corresponding path program 1 times [2021-11-12 23:08:13,477 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:08:13,478 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [929354421] [2021-11-12 23:08:13,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:08:13,479 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:08:13,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:08:13,886 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-12 23:08:13,887 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:08:13,887 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [929354421] [2021-11-12 23:08:13,888 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [929354421] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-12 23:08:13,888 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [102896796] [2021-11-12 23:08:13,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:08:13,888 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 23:08:13,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2b6f04a-5ac4-4ce3-ac7c-56daa6ca26f2/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:08:13,890 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2b6f04a-5ac4-4ce3-ac7c-56daa6ca26f2/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-12 23:08:13,891 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2b6f04a-5ac4-4ce3-ac7c-56daa6ca26f2/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-12 23:08:14,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:08:14,105 INFO L263 TraceCheckSpWp]: Trace formula consists of 533 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-12 23:08:14,113 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:08:14,223 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-12 23:08:14,223 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:08:14,327 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-12 23:08:14,328 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [102896796] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-12 23:08:14,328 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-12 23:08:14,329 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2, 2] total 2 [2021-11-12 23:08:14,333 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1771497372] [2021-11-12 23:08:14,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:08:14,340 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-12 23:08:14,340 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:08:14,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-12 23:08:14,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-12 23:08:14,368 INFO L87 Difference]: Start difference. First operand has 30 states, 24 states have (on average 1.6666666666666667) internal successors, (40), 26 states have internal predecessors, (40), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-12 23:08:14,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:08:14,429 INFO L93 Difference]: Finished difference Result 57 states and 92 transitions. [2021-11-12 23:08:14,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-12 23:08:14,432 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 16 [2021-11-12 23:08:14,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:08:14,441 INFO L225 Difference]: With dead ends: 57 [2021-11-12 23:08:14,441 INFO L226 Difference]: Without dead ends: 29 [2021-11-12 23:08:14,445 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-12 23:08:14,449 INFO L933 BasicCegarLoop]: 36 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.67ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.00ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.77ms IncrementalHoareTripleChecker+Time [2021-11-12 23:08:14,450 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 36 Invalid, 7 Unknown, 0 Unchecked, 1.00ms Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 32.77ms Time] [2021-11-12 23:08:14,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2021-11-12 23:08:14,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2021-11-12 23:08:14,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 24 states have (on average 1.5) internal successors, (36), 25 states have internal predecessors, (36), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-12 23:08:14,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 42 transitions. [2021-11-12 23:08:14,493 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 42 transitions. Word has length 16 [2021-11-12 23:08:14,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:08:14,494 INFO L470 AbstractCegarLoop]: Abstraction has 29 states and 42 transitions. [2021-11-12 23:08:14,494 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-12 23:08:14,494 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 42 transitions. [2021-11-12 23:08:14,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-12 23:08:14,497 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:08:14,497 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:08:14,526 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2b6f04a-5ac4-4ce3-ac7c-56daa6ca26f2/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-12 23:08:14,702 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2b6f04a-5ac4-4ce3-ac7c-56daa6ca26f2/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 23:08:14,702 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:08:14,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:08:14,703 INFO L85 PathProgramCache]: Analyzing trace with hash -1095063889, now seen corresponding path program 1 times [2021-11-12 23:08:14,703 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:08:14,703 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1366690171] [2021-11-12 23:08:14,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:08:14,704 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:08:14,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:08:15,128 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-12 23:08:15,129 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:08:15,129 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1366690171] [2021-11-12 23:08:15,135 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1366690171] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-12 23:08:15,137 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1912909225] [2021-11-12 23:08:15,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:08:15,138 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 23:08:15,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2b6f04a-5ac4-4ce3-ac7c-56daa6ca26f2/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:08:15,142 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2b6f04a-5ac4-4ce3-ac7c-56daa6ca26f2/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-12 23:08:15,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2b6f04a-5ac4-4ce3-ac7c-56daa6ca26f2/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-12 23:08:15,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:08:15,405 INFO L263 TraceCheckSpWp]: Trace formula consists of 627 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-12 23:08:15,410 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:08:15,588 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-12 23:08:15,588 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:08:15,708 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-12 23:08:15,709 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1912909225] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:08:15,712 INFO L186 FreeRefinementEngine]: Found 2 perfect and 1 imperfect interpolant sequences. [2021-11-12 23:08:15,712 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [10] total 15 [2021-11-12 23:08:15,713 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [664988363] [2021-11-12 23:08:15,713 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:08:15,715 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-12 23:08:15,716 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:08:15,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-12 23:08:15,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2021-11-12 23:08:15,719 INFO L87 Difference]: Start difference. First operand 29 states and 42 transitions. Second operand has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-12 23:08:15,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:08:15,888 INFO L93 Difference]: Finished difference Result 79 states and 115 transitions. [2021-11-12 23:08:15,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-12 23:08:15,889 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 40 [2021-11-12 23:08:15,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:08:15,894 INFO L225 Difference]: With dead ends: 79 [2021-11-12 23:08:15,894 INFO L226 Difference]: Without dead ends: 52 [2021-11-12 23:08:15,896 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2021-11-12 23:08:15,897 INFO L933 BasicCegarLoop]: 44 mSDtfsCounter, 13 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 92.17ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 141 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 7.74ms SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 106.83ms IncrementalHoareTripleChecker+Time [2021-11-12 23:08:15,899 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [19 Valid, 141 Invalid, 53 Unknown, 0 Unchecked, 7.74ms Time], IncrementalHoareTripleChecker [8 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 106.83ms Time] [2021-11-12 23:08:15,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2021-11-12 23:08:15,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 47. [2021-11-12 23:08:15,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 36 states have (on average 1.3333333333333333) internal successors, (48), 37 states have internal predecessors, (48), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) [2021-11-12 23:08:15,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 66 transitions. [2021-11-12 23:08:15,926 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 66 transitions. Word has length 40 [2021-11-12 23:08:15,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:08:15,926 INFO L470 AbstractCegarLoop]: Abstraction has 47 states and 66 transitions. [2021-11-12 23:08:15,927 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-12 23:08:15,927 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 66 transitions. [2021-11-12 23:08:15,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2021-11-12 23:08:15,940 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:08:15,941 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 4, 4, 4, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1] [2021-11-12 23:08:15,979 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2b6f04a-5ac4-4ce3-ac7c-56daa6ca26f2/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-12 23:08:16,165 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2b6f04a-5ac4-4ce3-ac7c-56daa6ca26f2/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 23:08:16,166 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:08:16,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:08:16,167 INFO L85 PathProgramCache]: Analyzing trace with hash -1731724527, now seen corresponding path program 1 times [2021-11-12 23:08:16,167 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:08:16,167 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1837702836] [2021-11-12 23:08:16,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:08:16,167 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:08:16,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:08:16,670 INFO L134 CoverageAnalysis]: Checked inductivity of 478 backedges. 6 proven. 207 refuted. 0 times theorem prover too weak. 265 trivial. 0 not checked. [2021-11-12 23:08:16,672 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:08:16,672 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1837702836] [2021-11-12 23:08:16,673 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1837702836] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-12 23:08:16,673 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2065743159] [2021-11-12 23:08:16,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:08:16,673 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 23:08:16,674 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2b6f04a-5ac4-4ce3-ac7c-56daa6ca26f2/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:08:16,674 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2b6f04a-5ac4-4ce3-ac7c-56daa6ca26f2/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-12 23:08:16,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2b6f04a-5ac4-4ce3-ac7c-56daa6ca26f2/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-12 23:08:17,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:08:17,213 INFO L263 TraceCheckSpWp]: Trace formula consists of 2142 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-12 23:08:17,229 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:08:17,564 INFO L134 CoverageAnalysis]: Checked inductivity of 478 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 448 trivial. 0 not checked. [2021-11-12 23:08:17,565 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:08:17,817 INFO L134 CoverageAnalysis]: Checked inductivity of 478 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 448 trivial. 0 not checked. [2021-11-12 23:08:17,817 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2065743159] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 23:08:17,818 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [271256050] [2021-11-12 23:08:17,838 INFO L159 IcfgInterpreter]: Started Sifa with 27 locations of interest [2021-11-12 23:08:17,838 INFO L166 IcfgInterpreter]: Building call graph [2021-11-12 23:08:17,843 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-12 23:08:17,848 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-12 23:08:17,849 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-12 23:08:17,916 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:08:17,925 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:08:17,925 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:08:17,926 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-12 23:08:17,927 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:08:17,928 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:08:17,928 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-12 23:08:17,939 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 257 [2021-11-12 23:08:17,962 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_9|], 21=[|v_#valid_10|]} [2021-11-12 23:08:17,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:08:17,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:08:17,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:08:17,990 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-11-12 23:08:17,990 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:08:17,991 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-12 23:08:17,992 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:08:17,993 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-12 23:08:17,993 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:08:17,995 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:08:18,033 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:08:18,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:08:18,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:08:18,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:08:18,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:08:18,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:08:18,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:08:18,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:08:18,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:08:18,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:08:18,069 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2021-11-12 23:08:18,070 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:08:18,073 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:08:18,074 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:08:18,074 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:08:18,075 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-12 23:08:18,075 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:08:18,110 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:08:18,122 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:08:18,135 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 229 [2021-11-12 23:08:18,137 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:08:18,137 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:254, output treesize:229 [2021-11-12 23:08:18,173 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:08:18,218 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 343 [2021-11-12 23:08:18,253 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:08:18,260 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:08:18,261 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:08:18,270 INFO L185 QuantifierPusher]: treesize reduction 16, result has 20.0 percent of original size 4 [2021-11-12 23:08:18,273 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:08:18,274 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:08:18,282 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-12 23:08:18,296 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:08:18,297 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:08:18,299 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:08:18,301 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:08:18,308 INFO L185 QuantifierPusher]: treesize reduction 16, result has 20.0 percent of original size 4 [2021-11-12 23:08:18,312 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-11-12 23:08:18,318 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:08:18,319 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:08:18,324 INFO L185 QuantifierPusher]: treesize reduction 16, result has 20.0 percent of original size 4 [2021-11-12 23:08:18,326 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:08:18,327 INFO L180 QuantifierPusher]: treesize reduction 16, result has 57.9 percent of original size [2021-11-12 23:08:18,329 INFO L185 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size 9 [2021-11-12 23:08:18,330 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:08:18,334 INFO L180 QuantifierPusher]: treesize reduction 4, result has 84.6 percent of original size [2021-11-12 23:08:18,339 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-11-12 23:08:18,346 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:08:18,349 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:08:18,351 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:08:18,352 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:08:18,361 INFO L185 QuantifierPusher]: treesize reduction 16, result has 20.0 percent of original size 4 [2021-11-12 23:08:18,367 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-11-12 23:08:18,377 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:08:18,379 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:08:18,383 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-12 23:08:18,384 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:08:18,385 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:08:18,391 INFO L185 QuantifierPusher]: treesize reduction 16, result has 20.0 percent of original size 4 [2021-11-12 23:08:18,421 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:08:18,422 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:08:18,426 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-12 23:08:18,434 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:08:18,436 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:08:18,446 INFO L185 QuantifierPusher]: treesize reduction 38, result has 9.5 percent of original size 4 [2021-11-12 23:08:18,450 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:08:18,452 INFO L180 QuantifierPusher]: treesize reduction 38, result has 50.6 percent of original size [2021-11-12 23:08:18,457 INFO L185 QuantifierPusher]: treesize reduction 4, result has 81.8 percent of original size 18 [2021-11-12 23:08:18,459 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:08:18,460 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:08:18,465 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-12 23:08:18,467 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:08:18,468 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:08:18,472 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-12 23:08:18,475 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:08:18,476 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:08:18,478 INFO L185 QuantifierPusher]: treesize reduction 4, result has 50.0 percent of original size 4 [2021-11-12 23:08:18,480 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:08:18,481 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:08:18,482 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:08:18,482 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:08:18,485 INFO L185 QuantifierPusher]: treesize reduction 4, result has 50.0 percent of original size 4 [2021-11-12 23:08:18,491 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-11-12 23:08:18,493 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:08:18,494 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:08:18,516 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-12 23:08:18,517 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:08:18,519 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:08:18,522 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-12 23:08:18,523 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:08:18,524 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:08:18,527 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-12 23:08:18,528 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:08:18,535 INFO L180 QuantifierPusher]: treesize reduction 4, result has 98.3 percent of original size [2021-11-12 23:08:18,565 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 304 [2021-11-12 23:08:18,567 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:08:18,568 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:08:18,572 INFO L185 QuantifierPusher]: treesize reduction 16, result has 20.0 percent of original size 4 [2021-11-12 23:08:18,572 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:08:18,573 INFO L180 QuantifierPusher]: treesize reduction 16, result has 57.9 percent of original size [2021-11-12 23:08:18,575 INFO L185 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size 9 [2021-11-12 23:08:18,575 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:08:18,576 INFO L180 QuantifierPusher]: treesize reduction 4, result has 84.6 percent of original size [2021-11-12 23:08:18,579 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-11-12 23:08:18,581 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:08:18,581 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:08:18,584 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-12 23:08:18,585 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:08:18,586 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:08:18,594 INFO L185 QuantifierPusher]: treesize reduction 16, result has 20.0 percent of original size 4 [2021-11-12 23:08:18,612 INFO L185 QuantifierPusher]: treesize reduction 8, result has 98.5 percent of original size 512 [2021-11-12 23:08:18,905 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 10 [2021-11-12 23:08:19,366 WARN L176 XnfTransformerHelper]: Simplifying disjunction of 32768 conjuctions. This might take some time... [2021-11-12 23:11:09,065 INFO L192 XnfTransformerHelper]: Simplified to disjunction of 32768 conjuctions. [2021-11-12 23:11:10,197 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:11:10,345 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 10 [2021-11-12 23:11:10,747 WARN L176 XnfTransformerHelper]: Simplifying disjunction of 32768 conjuctions. This might take some time... [2021-11-12 23:13:54,178 INFO L192 XnfTransformerHelper]: Simplified to disjunction of 32768 conjuctions. [2021-11-12 23:14:01,028 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms