./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-pthread/cs_read_write_lock-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19b8c34e-d76c-4e7d-bcf8-5f9cf8ca2ffd/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19b8c34e-d76c-4e7d-bcf8-5f9cf8ca2ffd/bin/utaipan-UbGMyvGFUs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19b8c34e-d76c-4e7d-bcf8-5f9cf8ca2ffd/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19b8c34e-d76c-4e7d-bcf8-5f9cf8ca2ffd/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/seq-pthread/cs_read_write_lock-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19b8c34e-d76c-4e7d-bcf8-5f9cf8ca2ffd/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19b8c34e-d76c-4e7d-bcf8-5f9cf8ca2ffd/bin/utaipan-UbGMyvGFUs --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 e288cdaba4e30d81bab26ec9691518934a309caacc3b94b192fd690548484ff4 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 15:45:50,672 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 15:45:50,676 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 15:45:50,732 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 15:45:50,733 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 15:45:50,737 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 15:45:50,739 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 15:45:50,743 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 15:45:50,746 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 15:45:50,754 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 15:45:50,755 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 15:45:50,757 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 15:45:50,757 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 15:45:50,760 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 15:45:50,763 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 15:45:50,772 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 15:45:50,774 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 15:45:50,775 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 15:45:50,778 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 15:45:50,786 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 15:45:50,788 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 15:45:50,790 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 15:45:50,793 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 15:45:50,794 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 15:45:50,804 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 15:45:50,804 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 15:45:50,805 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 15:45:50,807 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 15:45:50,808 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 15:45:50,809 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 15:45:50,810 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 15:45:50,811 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 15:45:50,813 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 15:45:50,815 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 15:45:50,816 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 15:45:50,817 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 15:45:50,818 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 15:45:50,818 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 15:45:50,818 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 15:45:50,819 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 15:45:50,820 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 15:45:50,821 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19b8c34e-d76c-4e7d-bcf8-5f9cf8ca2ffd/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-19 15:45:50,869 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 15:45:50,869 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 15:45:50,871 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 15:45:50,871 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 15:45:50,872 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 15:45:50,872 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 15:45:50,872 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 15:45:50,872 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-19 15:45:50,873 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 15:45:50,873 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 15:45:50,874 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-19 15:45:50,874 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-19 15:45:50,875 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 15:45:50,875 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-19 15:45:50,875 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-19 15:45:50,875 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-19 15:45:50,876 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 15:45:50,877 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-19 15:45:50,877 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 15:45:50,877 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-19 15:45:50,877 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 15:45:50,878 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 15:45:50,878 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 15:45:50,878 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 15:45:50,878 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 15:45:50,879 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-19 15:45:50,879 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 15:45:50,879 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 15:45:50,879 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 15:45:50,881 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 15:45:50,881 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 15:45:50,882 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 15:45:50,882 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 15:45:50,882 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 15:45:50,883 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 15:45:50,883 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-19 15:45:50,883 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-19 15:45:50,883 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 15:45:50,884 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 15:45:50,884 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 15:45:50,884 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_19b8c34e-d76c-4e7d-bcf8-5f9cf8ca2ffd/bin/utaipan-UbGMyvGFUs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19b8c34e-d76c-4e7d-bcf8-5f9cf8ca2ffd/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e288cdaba4e30d81bab26ec9691518934a309caacc3b94b192fd690548484ff4 [2021-11-19 15:45:51,154 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 15:45:51,181 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 15:45:51,184 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 15:45:51,185 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 15:45:51,186 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 15:45:51,188 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19b8c34e-d76c-4e7d-bcf8-5f9cf8ca2ffd/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/seq-pthread/cs_read_write_lock-1.i [2021-11-19 15:45:51,273 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19b8c34e-d76c-4e7d-bcf8-5f9cf8ca2ffd/bin/utaipan-UbGMyvGFUs/data/64c4affab/abe8f4387c124dd39da8e315776d25c2/FLAG50fdb66ed [2021-11-19 15:45:51,954 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 15:45:51,957 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19b8c34e-d76c-4e7d-bcf8-5f9cf8ca2ffd/sv-benchmarks/c/seq-pthread/cs_read_write_lock-1.i [2021-11-19 15:45:51,980 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19b8c34e-d76c-4e7d-bcf8-5f9cf8ca2ffd/bin/utaipan-UbGMyvGFUs/data/64c4affab/abe8f4387c124dd39da8e315776d25c2/FLAG50fdb66ed [2021-11-19 15:45:52,274 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19b8c34e-d76c-4e7d-bcf8-5f9cf8ca2ffd/bin/utaipan-UbGMyvGFUs/data/64c4affab/abe8f4387c124dd39da8e315776d25c2 [2021-11-19 15:45:52,276 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 15:45:52,277 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 15:45:52,279 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 15:45:52,279 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 15:45:52,282 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 15:45:52,283 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:45:52" (1/1) ... [2021-11-19 15:45:52,284 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fb5caf7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:45:52, skipping insertion in model container [2021-11-19 15:45:52,284 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:45:52" (1/1) ... [2021-11-19 15:45:52,291 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 15:45:52,336 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 15:45:52,676 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_19b8c34e-d76c-4e7d-bcf8-5f9cf8ca2ffd/sv-benchmarks/c/seq-pthread/cs_read_write_lock-1.i[23614,23627] [2021-11-19 15:45:52,768 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 15:45:52,784 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 15:45:52,815 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_19b8c34e-d76c-4e7d-bcf8-5f9cf8ca2ffd/sv-benchmarks/c/seq-pthread/cs_read_write_lock-1.i[23614,23627] [2021-11-19 15:45:52,872 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 15:45:52,928 INFO L208 MainTranslator]: Completed translation [2021-11-19 15:45:52,929 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:45:52 WrapperNode [2021-11-19 15:45:52,929 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 15:45:52,930 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 15:45:52,930 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 15:45:52,931 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 15:45:52,938 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:45:52" (1/1) ... [2021-11-19 15:45:52,981 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:45:52" (1/1) ... [2021-11-19 15:45:53,061 INFO L137 Inliner]: procedures = 147, calls = 289, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 588 [2021-11-19 15:45:53,062 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 15:45:53,063 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 15:45:53,063 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 15:45:53,063 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 15:45:53,072 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:45:52" (1/1) ... [2021-11-19 15:45:53,073 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:45:52" (1/1) ... [2021-11-19 15:45:53,093 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:45:52" (1/1) ... [2021-11-19 15:45:53,093 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:45:52" (1/1) ... [2021-11-19 15:45:53,139 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:45:52" (1/1) ... [2021-11-19 15:45:53,149 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:45:52" (1/1) ... [2021-11-19 15:45:53,168 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:45:52" (1/1) ... [2021-11-19 15:45:53,175 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 15:45:53,184 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 15:45:53,184 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 15:45:53,185 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 15:45:53,185 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:45:52" (1/1) ... [2021-11-19 15:45:53,193 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 15:45:53,204 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19b8c34e-d76c-4e7d-bcf8-5f9cf8ca2ffd/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 15:45:53,218 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19b8c34e-d76c-4e7d-bcf8-5f9cf8ca2ffd/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 15:45:53,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19b8c34e-d76c-4e7d-bcf8-5f9cf8ca2ffd/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 15:45:53,267 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-19 15:45:53,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-19 15:45:53,268 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-19 15:45:53,268 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-19 15:45:53,268 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 15:45:53,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-19 15:45:53,268 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-19 15:45:53,269 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_create [2021-11-19 15:45:53,269 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_create [2021-11-19 15:45:53,269 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-19 15:45:53,269 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_join [2021-11-19 15:45:53,269 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_join [2021-11-19 15:45:53,270 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~$Pointer$ [2021-11-19 15:45:53,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~$Pointer$ [2021-11-19 15:45:53,270 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-19 15:45:53,270 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_cs [2021-11-19 15:45:53,270 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_cs [2021-11-19 15:45:53,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-19 15:45:53,271 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_assume [2021-11-19 15:45:53,271 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_assume [2021-11-19 15:45:53,271 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 15:45:53,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 15:45:53,542 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 15:45:53,544 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 15:45:54,022 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##42: assume !(0 != ~__CS_ret~0 % 256); [2021-11-19 15:45:54,022 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##41: assume 0 != ~__CS_ret~0 % 256;reader_#res#1.base, reader_#res#1.offset := 0, 0; [2021-11-19 15:45:56,478 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 15:45:56,651 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 15:45:56,652 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-19 15:45:56,654 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:45:56 BoogieIcfgContainer [2021-11-19 15:45:56,654 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 15:45:56,656 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-19 15:45:56,656 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-19 15:45:56,659 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-19 15:45:56,659 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 03:45:52" (1/3) ... [2021-11-19 15:45:56,660 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68c58759 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 03:45:56, skipping insertion in model container [2021-11-19 15:45:56,660 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:45:52" (2/3) ... [2021-11-19 15:45:56,660 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68c58759 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 03:45:56, skipping insertion in model container [2021-11-19 15:45:56,660 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:45:56" (3/3) ... [2021-11-19 15:45:56,662 INFO L111 eAbstractionObserver]: Analyzing ICFG cs_read_write_lock-1.i [2021-11-19 15:45:56,667 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-19 15:45:56,667 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-19 15:45:56,725 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-19 15:45:56,742 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 [2021-11-19 15:45:56,742 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-19 15:45:56,767 INFO L276 IsEmpty]: Start isEmpty. Operand has 145 states, 85 states have (on average 1.3764705882352941) internal successors, (117), 86 states have internal predecessors, (117), 52 states have call successors, (52), 6 states have call predecessors, (52), 6 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2021-11-19 15:45:56,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-19 15:45:56,797 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 15:45:56,798 INFO L514 BasicCegarLoop]: trace histogram [14, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 15:45:56,798 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 15:45:56,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 15:45:56,803 INFO L85 PathProgramCache]: Analyzing trace with hash -1819931228, now seen corresponding path program 1 times [2021-11-19 15:45:56,815 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 15:45:56,815 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [125325755] [2021-11-19 15:45:56,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 15:45:56,817 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 15:45:57,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 15:45:57,196 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2021-11-19 15:45:57,196 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 15:45:57,197 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [125325755] [2021-11-19 15:45:57,198 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [125325755] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 15:45:57,198 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 15:45:57,198 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-19 15:45:57,200 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1322425575] [2021-11-19 15:45:57,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 15:45:57,206 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 15:45:57,206 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 15:45:57,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 15:45:57,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 15:45:57,244 INFO L87 Difference]: Start difference. First operand has 145 states, 85 states have (on average 1.3764705882352941) internal successors, (117), 86 states have internal predecessors, (117), 52 states have call successors, (52), 6 states have call predecessors, (52), 6 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2021-11-19 15:45:59,336 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 15:45:59,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 15:45:59,525 INFO L93 Difference]: Finished difference Result 289 states and 441 transitions. [2021-11-19 15:45:59,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 15:45:59,528 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 70 [2021-11-19 15:45:59,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 15:45:59,543 INFO L225 Difference]: With dead ends: 289 [2021-11-19 15:45:59,543 INFO L226 Difference]: Without dead ends: 145 [2021-11-19 15:45:59,553 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 15:45:59,558 INFO L933 BasicCegarLoop]: 193 mSDtfsCounter, 2 mSDsluCounter, 215 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 386 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-11-19 15:45:59,564 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 386 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 51 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2021-11-19 15:45:59,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2021-11-19 15:45:59,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 144. [2021-11-19 15:45:59,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 85 states have (on average 1.3529411764705883) internal successors, (115), 85 states have internal predecessors, (115), 52 states have call successors, (52), 6 states have call predecessors, (52), 6 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2021-11-19 15:45:59,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 219 transitions. [2021-11-19 15:45:59,639 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 219 transitions. Word has length 70 [2021-11-19 15:45:59,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 15:45:59,639 INFO L470 AbstractCegarLoop]: Abstraction has 144 states and 219 transitions. [2021-11-19 15:45:59,639 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2021-11-19 15:45:59,640 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 219 transitions. [2021-11-19 15:45:59,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-19 15:45:59,645 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 15:45:59,645 INFO L514 BasicCegarLoop]: trace histogram [14, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 15:45:59,645 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-19 15:45:59,646 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 15:45:59,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 15:45:59,647 INFO L85 PathProgramCache]: Analyzing trace with hash -977068484, now seen corresponding path program 1 times [2021-11-19 15:45:59,647 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 15:45:59,647 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2119927710] [2021-11-19 15:45:59,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 15:45:59,648 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 15:45:59,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 15:45:59,775 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2021-11-19 15:45:59,797 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 15:45:59,797 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2119927710] [2021-11-19 15:45:59,798 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2119927710] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 15:45:59,798 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 15:45:59,798 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-19 15:45:59,798 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329302266] [2021-11-19 15:45:59,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 15:45:59,800 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 15:45:59,800 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 15:45:59,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 15:45:59,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 15:45:59,801 INFO L87 Difference]: Start difference. First operand 144 states and 219 transitions. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2021-11-19 15:46:01,869 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 15:46:02,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 15:46:02,078 INFO L93 Difference]: Finished difference Result 287 states and 438 transitions. [2021-11-19 15:46:02,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 15:46:02,079 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 72 [2021-11-19 15:46:02,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 15:46:02,082 INFO L225 Difference]: With dead ends: 287 [2021-11-19 15:46:02,082 INFO L226 Difference]: Without dead ends: 145 [2021-11-19 15:46:02,083 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 15:46:02,084 INFO L933 BasicCegarLoop]: 193 mSDtfsCounter, 0 mSDsluCounter, 213 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 385 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-11-19 15:46:02,085 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 385 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 48 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2021-11-19 15:46:02,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2021-11-19 15:46:02,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 145. [2021-11-19 15:46:02,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 86 states have (on average 1.3488372093023255) internal successors, (116), 86 states have internal predecessors, (116), 52 states have call successors, (52), 6 states have call predecessors, (52), 6 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2021-11-19 15:46:02,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 220 transitions. [2021-11-19 15:46:02,119 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 220 transitions. Word has length 72 [2021-11-19 15:46:02,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 15:46:02,120 INFO L470 AbstractCegarLoop]: Abstraction has 145 states and 220 transitions. [2021-11-19 15:46:02,120 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2021-11-19 15:46:02,120 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 220 transitions. [2021-11-19 15:46:02,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-19 15:46:02,125 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 15:46:02,125 INFO L514 BasicCegarLoop]: trace histogram [14, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 15:46:02,126 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-19 15:46:02,126 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 15:46:02,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 15:46:02,127 INFO L85 PathProgramCache]: Analyzing trace with hash 16593026, now seen corresponding path program 1 times [2021-11-19 15:46:02,127 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 15:46:02,127 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1436317261] [2021-11-19 15:46:02,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 15:46:02,128 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 15:46:02,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 15:46:02,243 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2021-11-19 15:46:02,245 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 15:46:02,245 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1436317261] [2021-11-19 15:46:02,245 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1436317261] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-19 15:46:02,245 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [3996834] [2021-11-19 15:46:02,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 15:46:02,246 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 15:46:02,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19b8c34e-d76c-4e7d-bcf8-5f9cf8ca2ffd/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 15:46:02,252 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19b8c34e-d76c-4e7d-bcf8-5f9cf8ca2ffd/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 15:46:02,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19b8c34e-d76c-4e7d-bcf8-5f9cf8ca2ffd/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-19 15:46:02,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 15:46:02,445 INFO L263 TraceCheckSpWp]: Trace formula consists of 458 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-19 15:46:02,453 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 15:46:02,669 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2021-11-19 15:46:02,669 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 15:46:02,971 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2021-11-19 15:46:02,971 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [3996834] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 15:46:02,972 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [857935591] [2021-11-19 15:46:03,004 INFO L159 IcfgInterpreter]: Started Sifa with 46 locations of interest [2021-11-19 15:46:03,004 INFO L166 IcfgInterpreter]: Building call graph [2021-11-19 15:46:03,010 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-19 15:46:03,015 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-19 15:46:03,016 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-19 15:46:03,182 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:03,195 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 15:46:03,196 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:03,197 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-11-19 15:46:03,198 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 15:46:03,198 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:03,199 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-11-19 15:46:03,199 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 15:46:03,200 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:03,201 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-19 15:46:03,209 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 15:46:03,212 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:03,215 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 454 [2021-11-19 15:46:03,218 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 15:46:03,219 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:03,219 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-19 15:46:03,224 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 15:46:03,225 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:03,226 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-19 15:46:03,228 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 15:46:03,229 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:03,230 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 108 [2021-11-19 15:46:03,274 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 951 [2021-11-19 15:46:03,348 INFO L446 ElimStorePlain]: Different costs {0=[v_~__CS_thread~0.offset_51, v_~__CS_thread~0.base_51], 30=[|v_#length_39|], 525=[|v_#valid_104|]} [2021-11-19 15:46:03,444 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 26 [2021-11-19 15:46:03,445 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:03,446 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-19 15:46:03,447 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:03,449 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-19 15:46:03,450 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-19 15:46:03,452 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 15:46:03,534 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:03,606 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 26 [2021-11-19 15:46:03,607 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:03,608 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-19 15:46:03,608 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:03,609 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-19 15:46:03,610 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-19 15:46:03,610 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 15:46:03,682 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:03,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:03,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:03,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:03,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:03,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:03,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:03,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:03,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:03,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:03,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:03,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:03,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:03,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:03,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:03,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:03,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:04,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:04,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:04,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:04,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:04,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:04,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:04,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:04,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:04,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:04,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:04,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:04,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:04,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:04,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:04,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:04,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:04,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:04,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:04,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:04,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:04,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:04,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:04,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:04,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:04,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:04,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:04,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:04,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:04,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:04,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:04,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:04,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:04,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:04,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:04,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:04,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:04,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:04,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:04,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:04,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:04,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:04,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:04,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:04,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:04,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:04,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:04,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:04,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:04,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:04,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:04,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:04,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:04,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:04,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:05,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:05,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:05,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:05,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:05,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:05,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:05,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:05,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:05,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:05,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:05,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:05,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:05,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:05,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:05,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:05,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:05,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:05,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:05,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:05,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:05,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:05,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:05,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:05,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:05,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:05,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:05,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:05,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:05,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:05,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:05,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:05,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:05,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:05,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:05,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:05,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:05,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:05,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:05,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:05,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:05,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:05,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:05,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:05,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:05,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:05,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:05,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:05,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:05,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:05,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:05,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:05,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:05,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:05,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:05,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:05,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:05,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:05,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:05,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:05,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:05,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:05,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:05,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:05,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:05,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:05,850 INFO L244 Elim1Store]: Index analysis took 2110 ms [2021-11-19 15:46:05,865 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 157 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 92 [2021-11-19 15:46:05,867 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:05,870 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 86 [2021-11-19 15:46:05,872 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:05,873 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 86 [2021-11-19 15:46:05,874 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-19 15:46:05,874 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 15:46:05,946 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:05,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:05,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:05,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:05,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:05,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:05,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:05,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:05,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:06,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:06,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:06,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:06,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:06,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:06,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:06,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:06,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:06,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:06,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:06,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:06,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:06,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:06,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:06,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:06,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:06,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:06,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:06,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:06,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:06,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:06,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:06,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:06,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:06,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:06,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:06,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:06,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:06,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:06,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:06,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:06,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:06,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:06,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:06,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:06,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:06,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:06,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:06,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:06,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:06,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:06,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:06,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:06,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:06,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:06,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:06,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:06,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:06,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:06,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:06,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:06,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:06,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:06,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:06,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:06,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:06,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:06,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:06,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:06,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:06,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:06,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:06,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:06,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:06,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:06,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:06,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:06,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:06,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:06,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:06,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:06,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:06,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:06,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:06,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:06,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:06,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:06,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:06,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:06,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:06,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:06,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:06,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:06,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:06,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:06,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:06,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:06,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:06,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:06,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:06,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:06,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:06,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:06,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:06,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:06,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:06,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:06,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:06,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:06,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:06,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:06,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:06,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:06,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:06,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:06,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:06,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:06,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:06,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:06,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:06,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:06,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:06,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:06,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:06,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:06,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:06,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:06,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:06,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:06,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:06,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:06,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:06,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:06,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:06,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:06,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:06,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:06,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:06,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:06,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:06,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:06,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:06,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:06,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:06,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:06,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:06,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:06,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:06,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:06,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:06,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:06,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:06,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:06,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:06,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:06,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:06,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:06,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:06,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:06,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:06,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:06,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:06,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:06,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:06,628 INFO L244 Elim1Store]: Index analysis took 287 ms [2021-11-19 15:46:07,325 INFO L354 Elim1Store]: treesize reduction 1082, result has 4.9 percent of original size [2021-11-19 15:46:07,326 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 18 select indices, 18 select index equivalence classes, 114 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 61 case distinctions, treesize of input 295 treesize of output 301 [2021-11-19 15:46:07,336 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:07,357 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 247 [2021-11-19 15:46:07,363 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:07,373 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 247 [2021-11-19 15:46:07,374 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-19 15:46:07,375 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 15:46:07,496 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:07,505 INFO L446 ElimStorePlain]: Different costs {0=[|v_#memory_$Pointer$.offset_238|, |v_#memory_$Pointer$.base_238|], 6=[|v_#memory_int_216|]} [2021-11-19 15:46:07,567 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2021-11-19 15:46:07,568 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:07,568 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-11-19 15:46:07,569 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:07,569 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-11-19 15:46:07,569 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-11-19 15:46:07,570 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 15:46:07,681 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:07,740 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2021-11-19 15:46:07,740 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:07,741 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-11-19 15:46:07,741 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:07,742 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-11-19 15:46:07,742 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-11-19 15:46:07,743 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 15:46:07,894 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:07,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:07,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:07,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:07,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:07,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:07,971 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 98 [2021-11-19 15:46:07,972 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:07,976 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 107 [2021-11-19 15:46:07,977 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:07,978 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 107 [2021-11-19 15:46:07,978 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-11-19 15:46:07,979 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 15:46:08,106 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:08,139 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:08,171 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 772 [2021-11-19 15:46:08,175 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-1 vars, 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-19 15:46:08,175 INFO L247 ElimStorePlain]: Needed 8 recursive calls to eliminate 7 variables, input treesize:941, output treesize:772 [2021-11-19 15:46:08,263 INFO L180 QuantifierPusher]: treesize reduction 3, result has 99.7 percent of original size [2021-11-19 15:46:08,270 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 15:46:08,271 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:08,272 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 15:46:08,272 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:08,273 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-19 15:46:08,275 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-19 15:46:08,275 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 15:46:08,276 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:08,276 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 15:46:08,277 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:08,277 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-19 15:46:08,278 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-19 15:46:08,279 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 15:46:08,280 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:08,280 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 15:46:08,281 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:08,281 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-19 15:46:08,282 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-19 15:46:08,282 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 15:46:08,283 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:08,284 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 15:46:08,284 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:08,285 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-19 15:46:08,286 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-19 15:46:08,288 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 15:46:08,289 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:08,289 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-19 15:46:08,291 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 15:46:08,292 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:08,293 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 15:46:08,293 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:08,294 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-19 15:46:08,294 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-19 15:46:08,295 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 15:46:08,295 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:08,296 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 15:46:08,296 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:08,297 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-19 15:46:08,298 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-19 15:46:08,298 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 15:46:08,299 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:08,301 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 15:46:08,304 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:08,305 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-19 15:46:08,306 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-19 15:46:08,307 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 15:46:08,308 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:08,309 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 15:46:08,309 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:08,310 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-19 15:46:08,310 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-19 15:46:08,311 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 15:46:08,311 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:08,312 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-19 15:46:08,340 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 15:46:08,341 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:08,342 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 15:46:08,343 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:08,344 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 192 [2021-11-19 15:46:08,345 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 193 [2021-11-19 15:46:08,348 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 15:46:08,350 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:08,352 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 15:46:08,353 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:08,354 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 192 [2021-11-19 15:46:08,355 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 193 [2021-11-19 15:46:08,356 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 15:46:08,358 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:08,360 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 15:46:08,360 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:08,361 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 192 [2021-11-19 15:46:08,362 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 193 [2021-11-19 15:46:08,363 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 15:46:08,364 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:08,366 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 15:46:08,367 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:08,368 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 192 [2021-11-19 15:46:08,370 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 193 [2021-11-19 15:46:08,371 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 15:46:08,373 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:08,376 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 15:46:08,378 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:08,380 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 370 [2021-11-19 15:46:08,382 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 371 [2021-11-19 15:46:08,385 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 15:46:08,387 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:08,390 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 402 [2021-11-19 15:46:08,441 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1180 [2021-11-19 15:46:08,465 INFO L446 ElimStorePlain]: Different costs {2=[|v_#memory_$Pointer$.offset_50|, |v_#memory_$Pointer$.base_50|, |v_#memory_$Pointer$.offset_48|, |v_#memory_$Pointer$.base_49|, |v_#memory_$Pointer$.offset_49|, |v_#memory_$Pointer$.base_48|], 3=[|v_#memory_$Pointer$.offset_239|, |v_#memory_$Pointer$.base_239|], 55=[|v_#memory_int_217|]} [2021-11-19 15:46:08,500 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:08,502 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-19 15:46:08,503 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:08,503 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 15:46:08,504 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:08,504 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-19 15:46:08,505 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-19 15:46:08,506 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:08,506 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 15:46:08,507 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:08,507 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-19 15:46:08,508 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-19 15:46:08,508 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-11-19 15:46:08,509 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 15:46:08,643 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:08,672 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:08,676 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-19 15:46:08,677 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:08,678 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 15:46:08,678 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:08,679 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-19 15:46:08,680 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-19 15:46:08,680 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:08,681 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 15:46:08,682 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:08,682 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-19 15:46:08,683 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-19 15:46:08,683 INFO L550 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-11-19 15:46:08,685 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 15:46:08,832 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:08,868 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:08,872 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 95 [2021-11-19 15:46:08,872 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:08,873 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 15:46:08,873 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:08,874 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 95 [2021-11-19 15:46:08,874 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-11-19 15:46:08,875 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:08,875 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 15:46:08,876 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:08,876 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 95 [2021-11-19 15:46:08,877 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-11-19 15:46:08,877 INFO L550 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-11-19 15:46:08,878 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 15:46:08,997 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:09,041 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:09,042 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 95 [2021-11-19 15:46:09,043 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:09,043 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 15:46:09,043 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:09,044 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 95 [2021-11-19 15:46:09,044 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-11-19 15:46:09,045 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:09,045 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 15:46:09,046 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:09,046 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 95 [2021-11-19 15:46:09,047 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-11-19 15:46:09,047 INFO L550 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-11-19 15:46:09,048 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 15:46:09,169 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:09,199 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:09,200 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 191 [2021-11-19 15:46:09,201 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:09,201 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 15:46:09,202 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:09,202 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 191 [2021-11-19 15:46:09,203 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 192 [2021-11-19 15:46:09,204 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:09,204 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 15:46:09,205 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:09,205 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 191 [2021-11-19 15:46:09,206 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 192 [2021-11-19 15:46:09,206 INFO L550 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-11-19 15:46:09,207 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 15:46:09,306 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:09,332 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:09,333 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 191 [2021-11-19 15:46:09,333 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:09,334 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 15:46:09,334 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:09,335 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 191 [2021-11-19 15:46:09,339 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 192 [2021-11-19 15:46:09,340 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:09,340 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 15:46:09,341 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:09,341 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 191 [2021-11-19 15:46:09,342 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 192 [2021-11-19 15:46:09,342 INFO L550 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-11-19 15:46:09,343 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 15:46:09,456 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:09,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:09,546 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 12 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 198 treesize of output 117 [2021-11-19 15:46:09,547 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:09,548 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 15:46:09,550 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:09,550 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 15:46:09,551 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:09,552 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-19 15:46:09,552 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-11-19 15:46:09,552 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 15:46:09,553 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:09,554 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 114 [2021-11-19 15:46:09,554 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 115 [2021-11-19 15:46:09,675 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-19 15:46:09,677 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:09,677 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-19 15:46:09,678 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:09,678 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-19 15:46:09,679 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-11-19 15:46:09,680 FATAL L? ?]: Ignoring exception! java.lang.UnsupportedOperationException: SIMPLIFY_QUICK does not support simplification with respect to context at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:175) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplifyWithStatistics(SmtUtils.java:259) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.eliminateOne(ElimStorePlain.java:625) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.doElimAllRec(ElimStorePlain.java:520) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.doElimOneRec(ElimStorePlain.java:301) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.eliminateOne(ElimStorePlain.java:607) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.doElimAllRec(ElimStorePlain.java:520) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.startRecursiveElimination(ElimStorePlain.java:242) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:402) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.quantifier(PartialQuantifierElimination.java:228) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools$EliminatingTermDomainOperationProvider.newQuantifier(SymbolicTools.java:279) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools$EliminatingTermDomainOperationProvider.projectExistentially(SymbolicTools.java:267) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.TermDomainOperationProvider.projectExistentially(TermDomainOperationProvider.java:1) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateTransformer.strongestPostcondition(PredicateTransformer.java:131) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools.post(SymbolicTools.java:116) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretInternal(DagInterpreter.java:227) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:209) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:187) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:165) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:123) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:136) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpret(IcfgInterpreter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:102) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:268) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) 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) [2021-11-19 15:46:09,681 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-19 15:46:09,682 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2021-11-19 15:46:09,682 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874476282] [2021-11-19 15:46:09,682 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-19 15:46:09,683 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-19 15:46:09,683 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 15:46:09,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-19 15:46:09,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-11-19 15:46:09,684 INFO L87 Difference]: Start difference. First operand 145 states and 220 transitions. Second operand has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 7 states have internal predecessors, (38), 1 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2021-11-19 15:46:11,755 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 15:46:11,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 15:46:11,924 INFO L93 Difference]: Finished difference Result 291 states and 444 transitions. [2021-11-19 15:46:11,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 15:46:11,924 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 7 states have internal predecessors, (38), 1 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 73 [2021-11-19 15:46:11,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 15:46:11,927 INFO L225 Difference]: With dead ends: 291 [2021-11-19 15:46:11,927 INFO L226 Difference]: Without dead ends: 148 [2021-11-19 15:46:11,928 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-11-19 15:46:11,931 INFO L933 BasicCegarLoop]: 193 mSDtfsCounter, 0 mSDsluCounter, 426 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 577 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-11-19 15:46:11,931 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 577 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 75 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2021-11-19 15:46:11,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2021-11-19 15:46:11,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 148. [2021-11-19 15:46:11,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 89 states have (on average 1.3370786516853932) internal successors, (119), 89 states have internal predecessors, (119), 52 states have call successors, (52), 6 states have call predecessors, (52), 6 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2021-11-19 15:46:11,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 223 transitions. [2021-11-19 15:46:11,952 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 223 transitions. Word has length 73 [2021-11-19 15:46:11,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 15:46:11,952 INFO L470 AbstractCegarLoop]: Abstraction has 148 states and 223 transitions. [2021-11-19 15:46:11,953 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 7 states have internal predecessors, (38), 1 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2021-11-19 15:46:11,953 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 223 transitions. [2021-11-19 15:46:11,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-11-19 15:46:11,956 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 15:46:11,956 INFO L514 BasicCegarLoop]: trace histogram [14, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 15:46:11,979 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19b8c34e-d76c-4e7d-bcf8-5f9cf8ca2ffd/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-11-19 15:46:12,161 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19b8c34e-d76c-4e7d-bcf8-5f9cf8ca2ffd/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 15:46:12,161 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 15:46:12,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 15:46:12,161 INFO L85 PathProgramCache]: Analyzing trace with hash -858226756, now seen corresponding path program 2 times [2021-11-19 15:46:12,162 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 15:46:12,162 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061526476] [2021-11-19 15:46:12,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 15:46:12,162 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 15:46:12,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 15:46:12,280 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2021-11-19 15:46:12,281 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 15:46:12,281 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1061526476] [2021-11-19 15:46:12,281 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1061526476] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-19 15:46:12,281 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [3657181] [2021-11-19 15:46:12,281 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-19 15:46:12,281 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 15:46:12,282 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19b8c34e-d76c-4e7d-bcf8-5f9cf8ca2ffd/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 15:46:12,283 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19b8c34e-d76c-4e7d-bcf8-5f9cf8ca2ffd/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 15:46:12,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19b8c34e-d76c-4e7d-bcf8-5f9cf8ca2ffd/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-19 15:46:12,459 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2021-11-19 15:46:12,459 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-19 15:46:12,462 INFO L263 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-19 15:46:12,466 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 15:46:12,755 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 193 trivial. 0 not checked. [2021-11-19 15:46:12,756 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 15:46:13,050 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 193 trivial. 0 not checked. [2021-11-19 15:46:13,050 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [3657181] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 15:46:13,051 INFO L186 FreeRefinementEngine]: Found 2 perfect and 1 imperfect interpolant sequences. [2021-11-19 15:46:13,051 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [4] total 7 [2021-11-19 15:46:13,051 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [657795851] [2021-11-19 15:46:13,051 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 15:46:13,052 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 15:46:13,052 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 15:46:13,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 15:46:13,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-19 15:46:13,053 INFO L87 Difference]: Start difference. First operand 148 states and 223 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2021-11-19 15:46:15,111 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 15:46:15,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 15:46:15,462 INFO L93 Difference]: Finished difference Result 286 states and 441 transitions. [2021-11-19 15:46:15,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 15:46:15,463 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 76 [2021-11-19 15:46:15,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 15:46:15,467 INFO L225 Difference]: With dead ends: 286 [2021-11-19 15:46:15,467 INFO L226 Difference]: Without dead ends: 253 [2021-11-19 15:46:15,468 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 148 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-11-19 15:46:15,468 INFO L933 BasicCegarLoop]: 265 mSDtfsCounter, 157 mSDsluCounter, 716 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 14 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 917 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-11-19 15:46:15,469 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [157 Valid, 917 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 101 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2021-11-19 15:46:15,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2021-11-19 15:46:15,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 252. [2021-11-19 15:46:15,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 252 states, 150 states have (on average 1.3733333333333333) internal successors, (206), 151 states have internal predecessors, (206), 89 states have call successors, (89), 12 states have call predecessors, (89), 12 states have return successors, (97), 88 states have call predecessors, (97), 89 states have call successors, (97) [2021-11-19 15:46:15,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 252 states and 392 transitions. [2021-11-19 15:46:15,534 INFO L78 Accepts]: Start accepts. Automaton has 252 states and 392 transitions. Word has length 76 [2021-11-19 15:46:15,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 15:46:15,535 INFO L470 AbstractCegarLoop]: Abstraction has 252 states and 392 transitions. [2021-11-19 15:46:15,535 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2021-11-19 15:46:15,535 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 392 transitions. [2021-11-19 15:46:15,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2021-11-19 15:46:15,547 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 15:46:15,548 INFO L514 BasicCegarLoop]: trace histogram [19, 5, 5, 5, 5, 4, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 15:46:15,586 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19b8c34e-d76c-4e7d-bcf8-5f9cf8ca2ffd/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-19 15:46:15,767 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19b8c34e-d76c-4e7d-bcf8-5f9cf8ca2ffd/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-11-19 15:46:15,768 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 15:46:15,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 15:46:15,768 INFO L85 PathProgramCache]: Analyzing trace with hash -1931864922, now seen corresponding path program 1 times [2021-11-19 15:46:15,768 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 15:46:15,768 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1394954227] [2021-11-19 15:46:15,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 15:46:15,769 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 15:46:15,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 15:46:15,905 INFO L134 CoverageAnalysis]: Checked inductivity of 393 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2021-11-19 15:46:15,906 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 15:46:15,906 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1394954227] [2021-11-19 15:46:15,906 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1394954227] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-19 15:46:15,906 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [346085218] [2021-11-19 15:46:15,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 15:46:15,906 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 15:46:15,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19b8c34e-d76c-4e7d-bcf8-5f9cf8ca2ffd/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 15:46:15,912 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19b8c34e-d76c-4e7d-bcf8-5f9cf8ca2ffd/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 15:46:15,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19b8c34e-d76c-4e7d-bcf8-5f9cf8ca2ffd/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-19 15:46:16,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 15:46:16,162 INFO L263 TraceCheckSpWp]: Trace formula consists of 722 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-19 15:46:16,168 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 15:46:16,500 INFO L134 CoverageAnalysis]: Checked inductivity of 393 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 382 trivial. 0 not checked. [2021-11-19 15:46:16,500 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 15:46:16,871 INFO L134 CoverageAnalysis]: Checked inductivity of 393 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 382 trivial. 0 not checked. [2021-11-19 15:46:16,871 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [346085218] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 15:46:16,871 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1515876802] [2021-11-19 15:46:16,880 INFO L159 IcfgInterpreter]: Started Sifa with 73 locations of interest [2021-11-19 15:46:16,888 INFO L166 IcfgInterpreter]: Building call graph [2021-11-19 15:46:16,889 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-19 15:46:16,889 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-19 15:46:16,889 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-19 15:46:16,954 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:16,956 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 15:46:16,957 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:16,957 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-11-19 15:46:16,958 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 15:46:16,958 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:16,958 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-19 15:46:16,959 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 15:46:16,960 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:16,960 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-19 15:46:16,961 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 15:46:16,964 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:16,965 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 108 [2021-11-19 15:46:16,965 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 15:46:16,966 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:16,966 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-11-19 15:46:16,967 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 15:46:16,967 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:16,968 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-19 15:46:16,969 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 15:46:16,971 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:16,972 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 454 [2021-11-19 15:46:16,994 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 951 [2021-11-19 15:46:17,019 INFO L446 ElimStorePlain]: Different costs {0=[v_~__CS_thread~0.base_56, v_~__CS_thread~0.offset_56], 30=[|v_#length_42|], 525=[|v_#valid_107|]} [2021-11-19 15:46:17,071 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 26 [2021-11-19 15:46:17,072 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:17,073 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-19 15:46:17,073 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:17,074 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-19 15:46:17,074 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-19 15:46:17,075 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 15:46:17,124 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:17,199 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 26 [2021-11-19 15:46:17,199 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:17,200 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-19 15:46:17,201 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:17,201 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-19 15:46:17,201 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-19 15:46:17,202 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 15:46:17,252 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:17,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:17,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:17,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:17,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:17,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:17,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:17,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:17,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:17,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:17,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:17,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:17,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:17,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:17,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:17,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:17,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:17,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:17,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:17,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:17,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:17,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:17,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:17,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:17,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:17,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:17,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:17,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:17,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:17,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:17,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:17,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:17,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:17,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:17,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:17,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:17,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:17,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:17,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:17,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:18,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:18,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:18,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:18,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:18,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:18,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:18,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:18,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:18,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:18,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:18,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:18,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:18,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:18,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:18,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:18,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:18,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:18,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:18,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:18,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:18,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:18,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:18,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:18,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:18,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:18,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:18,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:18,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:18,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:18,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:18,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:18,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:18,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:18,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:18,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:18,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:18,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:18,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:18,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:18,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:18,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:18,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:18,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:18,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:18,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:18,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:18,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:18,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:18,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:18,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:18,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:18,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:18,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:18,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:18,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:19,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:19,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:19,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:19,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:19,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:19,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:19,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:19,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:19,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:19,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:19,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:19,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:19,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:19,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:19,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:19,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:19,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:19,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:19,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:19,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:19,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:19,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:19,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:19,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:19,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:19,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:19,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:19,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:19,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:19,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:19,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:19,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:19,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:19,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:19,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:19,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:19,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:19,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:19,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:19,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:19,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:19,554 INFO L244 Elim1Store]: Index analysis took 2248 ms [2021-11-19 15:46:19,586 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 157 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 92 [2021-11-19 15:46:19,587 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:19,590 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 86 [2021-11-19 15:46:19,591 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:19,592 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 86 [2021-11-19 15:46:19,592 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-19 15:46:19,593 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 15:46:19,650 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:19,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:19,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:19,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:19,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:19,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:19,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:19,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:19,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:19,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:19,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:19,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:19,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:19,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:19,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:19,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:19,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:19,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:19,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:19,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:19,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:19,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:19,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:19,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:19,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:19,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:19,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:19,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:19,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:19,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:19,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:19,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:19,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:19,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:19,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:19,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:19,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:19,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:19,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:19,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:19,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:19,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:19,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:19,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:19,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:19,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:19,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:19,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:19,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:19,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:19,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:19,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:19,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:19,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:19,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:19,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:19,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:19,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:19,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:19,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:19,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:19,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:19,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:19,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:19,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:20,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:20,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:20,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:20,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:20,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:20,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:20,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:20,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:20,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:20,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:20,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:20,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:20,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:20,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:20,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:20,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:20,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:20,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:20,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:20,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:20,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:20,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:20,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:20,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:20,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:20,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:20,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:20,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:20,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:20,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:20,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:20,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:20,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:20,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:20,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:20,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:20,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:20,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:20,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:20,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:20,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:20,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:20,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:20,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:20,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:20,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:20,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:20,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:20,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:20,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:20,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:20,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:20,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:20,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:20,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:20,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:20,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:20,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:20,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:20,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:20,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:20,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:20,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:20,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:20,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:20,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:20,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:20,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:20,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:20,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:20,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:20,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:20,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:20,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:20,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:20,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:20,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:20,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:20,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:20,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:20,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:20,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:20,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:20,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:20,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:20,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:20,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:20,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:20,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:20,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:20,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:20,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:20,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:20,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:20,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:20,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:20,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:20,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:20,365 INFO L244 Elim1Store]: Index analysis took 309 ms [2021-11-19 15:46:21,142 INFO L354 Elim1Store]: treesize reduction 1082, result has 4.9 percent of original size [2021-11-19 15:46:21,143 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 18 select indices, 18 select index equivalence classes, 114 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 61 case distinctions, treesize of input 295 treesize of output 301 [2021-11-19 15:46:21,151 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:21,172 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 247 [2021-11-19 15:46:21,178 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:21,186 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 247 [2021-11-19 15:46:21,187 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-19 15:46:21,188 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 15:46:21,284 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:21,291 INFO L446 ElimStorePlain]: Different costs {0=[|v_#memory_$Pointer$.offset_258|, |v_#memory_$Pointer$.base_258|], 6=[|v_#memory_int_236|]} [2021-11-19 15:46:21,330 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2021-11-19 15:46:21,330 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:21,331 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-11-19 15:46:21,331 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:21,331 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-11-19 15:46:21,332 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-11-19 15:46:21,332 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 15:46:21,430 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:21,464 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2021-11-19 15:46:21,464 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:21,465 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-11-19 15:46:21,465 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:21,466 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-11-19 15:46:21,467 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-11-19 15:46:21,468 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 15:46:21,577 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:21,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:21,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:21,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:21,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:21,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:21,640 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 98 [2021-11-19 15:46:21,641 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:21,645 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 107 [2021-11-19 15:46:21,646 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:21,646 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 107 [2021-11-19 15:46:21,647 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-11-19 15:46:21,647 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 15:46:21,748 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:21,777 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:21,807 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 772 [2021-11-19 15:46:21,810 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-1 vars, 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-19 15:46:21,810 INFO L247 ElimStorePlain]: Needed 8 recursive calls to eliminate 7 variables, input treesize:941, output treesize:772 [2021-11-19 15:46:21,864 INFO L180 QuantifierPusher]: treesize reduction 3, result has 99.7 percent of original size [2021-11-19 15:46:21,867 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 15:46:21,870 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:21,871 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 15:46:21,871 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:21,872 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-19 15:46:21,872 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-19 15:46:21,873 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 15:46:21,873 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:21,874 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 15:46:21,874 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:21,874 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-19 15:46:21,875 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-19 15:46:21,875 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 15:46:21,876 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:21,877 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 15:46:21,877 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:21,878 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-19 15:46:21,878 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-19 15:46:21,879 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 15:46:21,880 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:21,881 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 15:46:21,881 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:21,882 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-19 15:46:21,882 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-19 15:46:21,883 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 15:46:21,883 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:21,884 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-19 15:46:21,885 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 15:46:21,886 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:21,886 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 15:46:21,887 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:21,887 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-19 15:46:21,888 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-19 15:46:21,888 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 15:46:21,889 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:21,889 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 15:46:21,907 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:21,907 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-19 15:46:21,908 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-19 15:46:21,908 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 15:46:21,909 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:21,909 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 15:46:21,910 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:21,910 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-19 15:46:21,911 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-19 15:46:21,912 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 15:46:21,913 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:21,914 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 15:46:21,915 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:21,915 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-19 15:46:21,920 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-19 15:46:21,921 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 15:46:21,922 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:21,923 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-19 15:46:21,936 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 15:46:21,937 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:21,938 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 15:46:21,939 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:21,939 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 192 [2021-11-19 15:46:21,940 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 193 [2021-11-19 15:46:21,941 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 15:46:21,942 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:21,943 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 15:46:21,943 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:21,944 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 192 [2021-11-19 15:46:21,945 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 193 [2021-11-19 15:46:21,945 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 15:46:21,946 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:21,947 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 15:46:21,948 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:21,948 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 192 [2021-11-19 15:46:21,949 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 193 [2021-11-19 15:46:21,950 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 15:46:21,951 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:21,952 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 15:46:21,954 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:21,955 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 192 [2021-11-19 15:46:21,957 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 193 [2021-11-19 15:46:21,957 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 15:46:21,959 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:21,960 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 15:46:21,962 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:21,963 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 370 [2021-11-19 15:46:21,965 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 371 [2021-11-19 15:46:21,967 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 15:46:21,969 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:21,971 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 402 [2021-11-19 15:46:22,008 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1180 [2021-11-19 15:46:22,030 INFO L446 ElimStorePlain]: Different costs {2=[|v_#memory_$Pointer$.offset_50|, |v_#memory_$Pointer$.base_50|, |v_#memory_$Pointer$.offset_48|, |v_#memory_$Pointer$.base_49|, |v_#memory_$Pointer$.offset_49|, |v_#memory_$Pointer$.base_48|], 3=[|v_#memory_$Pointer$.offset_259|, |v_#memory_$Pointer$.base_259|], 55=[|v_#memory_int_237|]} [2021-11-19 15:46:22,072 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:22,073 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-19 15:46:22,074 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:22,074 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 15:46:22,075 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:22,075 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-19 15:46:22,076 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-19 15:46:22,076 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:22,077 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 15:46:22,077 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:22,078 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-19 15:46:22,078 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-19 15:46:22,078 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-11-19 15:46:22,079 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 15:46:22,198 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:22,231 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:22,232 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-19 15:46:22,232 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:22,233 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 15:46:22,234 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:22,234 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-19 15:46:22,235 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-19 15:46:22,235 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:22,236 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 15:46:22,236 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:22,237 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-19 15:46:22,237 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-19 15:46:22,238 INFO L550 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-11-19 15:46:22,239 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 15:46:22,349 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:22,383 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:22,384 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 95 [2021-11-19 15:46:22,389 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:22,389 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 15:46:22,390 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:22,390 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 95 [2021-11-19 15:46:22,390 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-11-19 15:46:22,391 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:22,391 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 15:46:22,392 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:22,393 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 95 [2021-11-19 15:46:22,393 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-11-19 15:46:22,393 INFO L550 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-11-19 15:46:22,394 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 15:46:22,525 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:22,557 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:22,558 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 95 [2021-11-19 15:46:22,559 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:22,559 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 15:46:22,560 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:22,560 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 95 [2021-11-19 15:46:22,560 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-11-19 15:46:22,561 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:22,561 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 15:46:22,563 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:22,564 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 95 [2021-11-19 15:46:22,564 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-11-19 15:46:22,565 INFO L550 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-11-19 15:46:22,565 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 15:46:22,685 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:22,718 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:22,719 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 191 [2021-11-19 15:46:22,720 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:22,720 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 15:46:22,720 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:22,721 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 191 [2021-11-19 15:46:22,727 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 192 [2021-11-19 15:46:22,727 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:22,728 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 15:46:22,729 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:22,729 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 191 [2021-11-19 15:46:22,730 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 192 [2021-11-19 15:46:22,730 INFO L550 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-11-19 15:46:22,731 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 15:46:22,836 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:22,868 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:22,869 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 191 [2021-11-19 15:46:22,870 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:22,870 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 15:46:22,870 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:22,871 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 191 [2021-11-19 15:46:22,871 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 192 [2021-11-19 15:46:22,872 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:22,872 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 15:46:22,873 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:22,873 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 191 [2021-11-19 15:46:22,873 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 192 [2021-11-19 15:46:22,874 INFO L550 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-11-19 15:46:22,874 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 15:46:22,994 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:23,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 15:46:23,083 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 12 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 198 treesize of output 117 [2021-11-19 15:46:23,083 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:23,084 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 15:46:23,085 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:23,085 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 15:46:23,085 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:23,086 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-19 15:46:23,086 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-11-19 15:46:23,086 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 15:46:23,087 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:23,087 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 114 [2021-11-19 15:46:23,089 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 115 [2021-11-19 15:46:23,181 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-19 15:46:23,181 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:23,182 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-19 15:46:23,182 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:23,183 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-19 15:46:23,183 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-11-19 15:46:23,183 FATAL L? ?]: Ignoring exception! java.lang.UnsupportedOperationException: SIMPLIFY_QUICK does not support simplification with respect to context at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:175) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplifyWithStatistics(SmtUtils.java:259) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.eliminateOne(ElimStorePlain.java:625) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.doElimAllRec(ElimStorePlain.java:520) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.doElimOneRec(ElimStorePlain.java:301) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.eliminateOne(ElimStorePlain.java:607) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.doElimAllRec(ElimStorePlain.java:520) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.startRecursiveElimination(ElimStorePlain.java:242) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:402) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.quantifier(PartialQuantifierElimination.java:228) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools$EliminatingTermDomainOperationProvider.newQuantifier(SymbolicTools.java:279) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools$EliminatingTermDomainOperationProvider.projectExistentially(SymbolicTools.java:267) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.TermDomainOperationProvider.projectExistentially(TermDomainOperationProvider.java:1) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateTransformer.strongestPostcondition(PredicateTransformer.java:131) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools.post(SymbolicTools.java:116) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretInternal(DagInterpreter.java:227) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:209) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:187) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:165) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:123) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:136) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpret(IcfgInterpreter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:102) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:268) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-19 15:46:23,183 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-19 15:46:23,184 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 7, 7] total 9 [2021-11-19 15:46:23,184 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1766725178] [2021-11-19 15:46:23,184 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-19 15:46:23,185 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 15:46:23,185 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 15:46:23,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 15:46:23,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2021-11-19 15:46:23,186 INFO L87 Difference]: Start difference. First operand 252 states and 392 transitions. Second operand has 9 states, 9 states have (on average 8.0) internal successors, (72), 9 states have internal predecessors, (72), 2 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2021-11-19 15:46:25,435 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 15:46:25,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 15:46:25,636 INFO L93 Difference]: Finished difference Result 510 states and 794 transitions. [2021-11-19 15:46:25,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-19 15:46:25,637 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.0) internal successors, (72), 9 states have internal predecessors, (72), 2 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) Word has length 129 [2021-11-19 15:46:25,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 15:46:25,640 INFO L225 Difference]: With dead ends: 510 [2021-11-19 15:46:25,640 INFO L226 Difference]: Without dead ends: 260 [2021-11-19 15:46:25,643 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 270 GetRequests, 252 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=126, Invalid=216, Unknown=0, NotChecked=0, Total=342 [2021-11-19 15:46:25,643 INFO L933 BasicCegarLoop]: 192 mSDtfsCounter, 4 mSDsluCounter, 639 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 18 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 768 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-11-19 15:46:25,644 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4 Valid, 768 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 101 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2021-11-19 15:46:25,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2021-11-19 15:46:25,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 260. [2021-11-19 15:46:25,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 260 states, 158 states have (on average 1.360759493670886) internal successors, (215), 159 states have internal predecessors, (215), 89 states have call successors, (89), 12 states have call predecessors, (89), 12 states have return successors, (97), 88 states have call predecessors, (97), 89 states have call successors, (97) [2021-11-19 15:46:25,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 401 transitions. [2021-11-19 15:46:25,670 INFO L78 Accepts]: Start accepts. Automaton has 260 states and 401 transitions. Word has length 129 [2021-11-19 15:46:25,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 15:46:25,670 INFO L470 AbstractCegarLoop]: Abstraction has 260 states and 401 transitions. [2021-11-19 15:46:25,671 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.0) internal successors, (72), 9 states have internal predecessors, (72), 2 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2021-11-19 15:46:25,671 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 401 transitions. [2021-11-19 15:46:25,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2021-11-19 15:46:25,675 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 15:46:25,676 INFO L514 BasicCegarLoop]: trace histogram [19, 10, 5, 5, 5, 5, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 15:46:25,715 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19b8c34e-d76c-4e7d-bcf8-5f9cf8ca2ffd/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-19 15:46:25,901 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19b8c34e-d76c-4e7d-bcf8-5f9cf8ca2ffd/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-11-19 15:46:25,901 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 15:46:25,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 15:46:25,901 INFO L85 PathProgramCache]: Analyzing trace with hash 1177286014, now seen corresponding path program 2 times [2021-11-19 15:46:25,901 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 15:46:25,902 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1012642573] [2021-11-19 15:46:25,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 15:46:25,902 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 15:46:26,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 15:46:26,227 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 451 trivial. 0 not checked. [2021-11-19 15:46:26,228 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 15:46:26,228 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1012642573] [2021-11-19 15:46:26,228 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1012642573] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 15:46:26,228 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 15:46:26,228 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-19 15:46:26,229 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [570435539] [2021-11-19 15:46:26,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 15:46:26,229 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 15:46:26,229 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 15:46:26,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 15:46:26,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-19 15:46:26,230 INFO L87 Difference]: Start difference. First operand 260 states and 401 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 4 states have call successors, (22), 1 states have call predecessors, (22), 2 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) [2021-11-19 15:46:28,281 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 15:46:28,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 15:46:28,568 INFO L93 Difference]: Finished difference Result 465 states and 725 transitions. [2021-11-19 15:46:28,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-19 15:46:28,569 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 4 states have call successors, (22), 1 states have call predecessors, (22), 2 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) Word has length 137 [2021-11-19 15:46:28,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 15:46:28,575 INFO L225 Difference]: With dead ends: 465 [2021-11-19 15:46:28,575 INFO L226 Difference]: Without dead ends: 426 [2021-11-19 15:46:28,576 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-19 15:46:28,577 INFO L933 BasicCegarLoop]: 214 mSDtfsCounter, 177 mSDsluCounter, 369 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 22 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 197 SdHoareTripleChecker+Valid, 544 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-11-19 15:46:28,577 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [197 Valid, 544 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 109 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2021-11-19 15:46:28,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 426 states. [2021-11-19 15:46:28,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 426 to 416. [2021-11-19 15:46:28,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 416 states, 250 states have (on average 1.356) internal successors, (339), 255 states have internal predecessors, (339), 142 states have call successors, (142), 20 states have call predecessors, (142), 23 states have return successors, (173), 140 states have call predecessors, (173), 142 states have call successors, (173) [2021-11-19 15:46:28,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 416 states and 654 transitions. [2021-11-19 15:46:28,624 INFO L78 Accepts]: Start accepts. Automaton has 416 states and 654 transitions. Word has length 137 [2021-11-19 15:46:28,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 15:46:28,625 INFO L470 AbstractCegarLoop]: Abstraction has 416 states and 654 transitions. [2021-11-19 15:46:28,625 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 4 states have call successors, (22), 1 states have call predecessors, (22), 2 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) [2021-11-19 15:46:28,625 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 654 transitions. [2021-11-19 15:46:28,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2021-11-19 15:46:28,631 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 15:46:28,631 INFO L514 BasicCegarLoop]: trace histogram [19, 10, 5, 5, 5, 5, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 15:46:28,631 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2021-11-19 15:46:28,632 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 15:46:28,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 15:46:28,632 INFO L85 PathProgramCache]: Analyzing trace with hash -595856233, now seen corresponding path program 1 times [2021-11-19 15:46:28,632 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 15:46:28,633 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [276716465] [2021-11-19 15:46:28,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 15:46:28,633 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 15:46:28,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 15:46:28,891 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 451 trivial. 0 not checked. [2021-11-19 15:46:28,891 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 15:46:28,892 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [276716465] [2021-11-19 15:46:28,892 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [276716465] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 15:46:28,892 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 15:46:28,892 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-19 15:46:28,892 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1292065401] [2021-11-19 15:46:28,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 15:46:28,893 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 15:46:28,893 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 15:46:28,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 15:46:28,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-19 15:46:28,894 INFO L87 Difference]: Start difference. First operand 416 states and 654 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 4 states have call successors, (22), 1 states have call predecessors, (22), 2 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) [2021-11-19 15:46:30,940 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 15:46:31,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 15:46:31,247 INFO L93 Difference]: Finished difference Result 730 states and 1130 transitions. [2021-11-19 15:46:31,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-19 15:46:31,248 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 4 states have call successors, (22), 1 states have call predecessors, (22), 2 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) Word has length 137 [2021-11-19 15:46:31,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 15:46:31,253 INFO L225 Difference]: With dead ends: 730 [2021-11-19 15:46:31,253 INFO L226 Difference]: Without dead ends: 422 [2021-11-19 15:46:31,255 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-19 15:46:31,256 INFO L933 BasicCegarLoop]: 220 mSDtfsCounter, 178 mSDsluCounter, 375 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 20 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 198 SdHoareTripleChecker+Valid, 555 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-11-19 15:46:31,256 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [198 Valid, 555 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 110 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2021-11-19 15:46:31,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 422 states. [2021-11-19 15:46:31,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 422 to 412. [2021-11-19 15:46:31,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 412 states, 247 states have (on average 1.3562753036437247) internal successors, (335), 252 states have internal predecessors, (335), 141 states have call successors, (141), 20 states have call predecessors, (141), 23 states have return successors, (167), 139 states have call predecessors, (167), 141 states have call successors, (167) [2021-11-19 15:46:31,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 643 transitions. [2021-11-19 15:46:31,291 INFO L78 Accepts]: Start accepts. Automaton has 412 states and 643 transitions. Word has length 137 [2021-11-19 15:46:31,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 15:46:31,292 INFO L470 AbstractCegarLoop]: Abstraction has 412 states and 643 transitions. [2021-11-19 15:46:31,292 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 4 states have call successors, (22), 1 states have call predecessors, (22), 2 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) [2021-11-19 15:46:31,292 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 643 transitions. [2021-11-19 15:46:31,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2021-11-19 15:46:31,298 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 15:46:31,298 INFO L514 BasicCegarLoop]: trace histogram [19, 10, 5, 5, 5, 5, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 15:46:31,298 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2021-11-19 15:46:31,299 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 15:46:31,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 15:46:31,299 INFO L85 PathProgramCache]: Analyzing trace with hash -236116518, now seen corresponding path program 1 times [2021-11-19 15:46:31,299 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 15:46:31,300 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263484147] [2021-11-19 15:46:31,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 15:46:31,300 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 15:46:31,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 15:46:31,469 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 451 trivial. 0 not checked. [2021-11-19 15:46:31,470 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 15:46:31,470 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1263484147] [2021-11-19 15:46:31,470 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1263484147] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 15:46:31,470 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 15:46:31,470 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-19 15:46:31,471 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064625513] [2021-11-19 15:46:31,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 15:46:31,472 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 15:46:31,472 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 15:46:31,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 15:46:31,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-19 15:46:31,473 INFO L87 Difference]: Start difference. First operand 412 states and 643 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 4 states have call successors, (22), 1 states have call predecessors, (22), 2 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) [2021-11-19 15:46:33,519 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 15:46:33,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 15:46:33,822 INFO L93 Difference]: Finished difference Result 738 states and 1139 transitions. [2021-11-19 15:46:33,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-19 15:46:33,823 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 4 states have call successors, (22), 1 states have call predecessors, (22), 2 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) Word has length 137 [2021-11-19 15:46:33,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 15:46:33,828 INFO L225 Difference]: With dead ends: 738 [2021-11-19 15:46:33,828 INFO L226 Difference]: Without dead ends: 418 [2021-11-19 15:46:33,830 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-19 15:46:33,831 INFO L933 BasicCegarLoop]: 224 mSDtfsCounter, 181 mSDsluCounter, 378 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 20 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 201 SdHoareTripleChecker+Valid, 562 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-11-19 15:46:33,831 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [201 Valid, 562 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 107 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2021-11-19 15:46:33,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 418 states. [2021-11-19 15:46:33,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 418 to 408. [2021-11-19 15:46:33,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 408 states, 244 states have (on average 1.3565573770491803) internal successors, (331), 249 states have internal predecessors, (331), 140 states have call successors, (140), 20 states have call predecessors, (140), 23 states have return successors, (161), 138 states have call predecessors, (161), 140 states have call successors, (161) [2021-11-19 15:46:33,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 408 states and 632 transitions. [2021-11-19 15:46:33,866 INFO L78 Accepts]: Start accepts. Automaton has 408 states and 632 transitions. Word has length 137 [2021-11-19 15:46:33,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 15:46:33,867 INFO L470 AbstractCegarLoop]: Abstraction has 408 states and 632 transitions. [2021-11-19 15:46:33,867 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 4 states have call successors, (22), 1 states have call predecessors, (22), 2 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) [2021-11-19 15:46:33,867 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 632 transitions. [2021-11-19 15:46:33,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2021-11-19 15:46:33,873 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 15:46:33,873 INFO L514 BasicCegarLoop]: trace histogram [19, 10, 5, 5, 5, 5, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 15:46:33,874 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2021-11-19 15:46:33,874 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 15:46:33,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 15:46:33,875 INFO L85 PathProgramCache]: Analyzing trace with hash -82431454, now seen corresponding path program 1 times [2021-11-19 15:46:33,875 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 15:46:33,875 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717331448] [2021-11-19 15:46:33,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 15:46:33,875 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 15:46:33,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 15:46:34,042 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 451 trivial. 0 not checked. [2021-11-19 15:46:34,042 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 15:46:34,043 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [717331448] [2021-11-19 15:46:34,043 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [717331448] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 15:46:34,043 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 15:46:34,043 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-19 15:46:34,043 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175177929] [2021-11-19 15:46:34,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 15:46:34,044 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 15:46:34,044 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 15:46:34,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 15:46:34,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-19 15:46:34,045 INFO L87 Difference]: Start difference. First operand 408 states and 632 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 4 states have call successors, (22), 1 states have call predecessors, (22), 2 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) [2021-11-19 15:46:36,097 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 15:46:36,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 15:46:36,390 INFO L93 Difference]: Finished difference Result 746 states and 1148 transitions. [2021-11-19 15:46:36,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-19 15:46:36,390 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 4 states have call successors, (22), 1 states have call predecessors, (22), 2 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) Word has length 137 [2021-11-19 15:46:36,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 15:46:36,394 INFO L225 Difference]: With dead ends: 746 [2021-11-19 15:46:36,395 INFO L226 Difference]: Without dead ends: 368 [2021-11-19 15:46:36,398 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-19 15:46:36,398 INFO L933 BasicCegarLoop]: 229 mSDtfsCounter, 182 mSDsluCounter, 381 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 18 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 202 SdHoareTripleChecker+Valid, 570 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-11-19 15:46:36,399 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [202 Valid, 570 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 106 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2021-11-19 15:46:36,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2021-11-19 15:46:36,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 362. [2021-11-19 15:46:36,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 362 states, 218 states have (on average 1.2935779816513762) internal successors, (282), 221 states have internal predecessors, (282), 121 states have call successors, (121), 20 states have call predecessors, (121), 22 states have return successors, (137), 120 states have call predecessors, (137), 121 states have call successors, (137) [2021-11-19 15:46:36,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 540 transitions. [2021-11-19 15:46:36,430 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 540 transitions. Word has length 137 [2021-11-19 15:46:36,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 15:46:36,430 INFO L470 AbstractCegarLoop]: Abstraction has 362 states and 540 transitions. [2021-11-19 15:46:36,431 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 4 states have call successors, (22), 1 states have call predecessors, (22), 2 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) [2021-11-19 15:46:36,431 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 540 transitions. [2021-11-19 15:46:36,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2021-11-19 15:46:36,435 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 15:46:36,436 INFO L514 BasicCegarLoop]: trace histogram [19, 10, 5, 5, 5, 5, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 15:46:36,436 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2021-11-19 15:46:36,436 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 15:46:36,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 15:46:36,437 INFO L85 PathProgramCache]: Analyzing trace with hash 232144525, now seen corresponding path program 1 times [2021-11-19 15:46:36,437 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 15:46:36,437 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [906917378] [2021-11-19 15:46:36,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 15:46:36,437 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 15:46:36,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 15:46:36,601 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 451 trivial. 0 not checked. [2021-11-19 15:46:36,602 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 15:46:36,602 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [906917378] [2021-11-19 15:46:36,602 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [906917378] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 15:46:36,602 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 15:46:36,602 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-19 15:46:36,603 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1851146886] [2021-11-19 15:46:36,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 15:46:36,603 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 15:46:36,603 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 15:46:36,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 15:46:36,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-19 15:46:36,604 INFO L87 Difference]: Start difference. First operand 362 states and 540 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 4 states have call successors, (22), 1 states have call predecessors, (22), 2 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) [2021-11-19 15:46:38,670 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 15:46:38,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 15:46:38,890 INFO L93 Difference]: Finished difference Result 372 states and 559 transitions. [2021-11-19 15:46:38,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-19 15:46:38,891 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 4 states have call successors, (22), 1 states have call predecessors, (22), 2 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) Word has length 137 [2021-11-19 15:46:38,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 15:46:38,894 INFO L225 Difference]: With dead ends: 372 [2021-11-19 15:46:38,894 INFO L226 Difference]: Without dead ends: 280 [2021-11-19 15:46:38,895 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-19 15:46:38,896 INFO L933 BasicCegarLoop]: 192 mSDtfsCounter, 40 mSDsluCounter, 388 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 540 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-11-19 15:46:38,896 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [43 Valid, 540 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 95 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2021-11-19 15:46:38,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states. [2021-11-19 15:46:38,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 276. [2021-11-19 15:46:38,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 276 states, 167 states have (on average 1.3353293413173652) internal successors, (223), 170 states have internal predecessors, (223), 91 states have call successors, (91), 15 states have call predecessors, (91), 17 states have return successors, (114), 90 states have call predecessors, (114), 91 states have call successors, (114) [2021-11-19 15:46:38,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 428 transitions. [2021-11-19 15:46:38,919 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 428 transitions. Word has length 137 [2021-11-19 15:46:38,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 15:46:38,919 INFO L470 AbstractCegarLoop]: Abstraction has 276 states and 428 transitions. [2021-11-19 15:46:38,919 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 4 states have call successors, (22), 1 states have call predecessors, (22), 2 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) [2021-11-19 15:46:38,919 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 428 transitions. [2021-11-19 15:46:38,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2021-11-19 15:46:38,924 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 15:46:38,924 INFO L514 BasicCegarLoop]: trace histogram [22, 10, 8, 8, 8, 8, 5, 2, 2, 2, 2, 2, 2, 2, 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, 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, 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] [2021-11-19 15:46:38,925 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2021-11-19 15:46:38,925 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 15:46:38,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 15:46:38,925 INFO L85 PathProgramCache]: Analyzing trace with hash 1873397565, now seen corresponding path program 1 times [2021-11-19 15:46:38,926 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 15:46:38,926 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782583781] [2021-11-19 15:46:38,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 15:46:38,926 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 15:46:47,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 15:46:47,515 INFO L134 CoverageAnalysis]: Checked inductivity of 674 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 655 trivial. 0 not checked. [2021-11-19 15:46:47,516 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 15:46:47,516 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [782583781] [2021-11-19 15:46:47,516 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [782583781] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-19 15:46:47,516 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1817133486] [2021-11-19 15:46:47,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 15:46:47,516 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 15:46:47,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19b8c34e-d76c-4e7d-bcf8-5f9cf8ca2ffd/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 15:46:47,525 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19b8c34e-d76c-4e7d-bcf8-5f9cf8ca2ffd/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 15:46:47,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19b8c34e-d76c-4e7d-bcf8-5f9cf8ca2ffd/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-19 15:46:47,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 15:46:47,863 INFO L263 TraceCheckSpWp]: Trace formula consists of 1271 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-19 15:46:47,874 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 15:46:47,881 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 26 [2021-11-19 15:46:48,152 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 41 [2021-11-19 15:46:48,219 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 16 [2021-11-19 15:46:48,324 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:48,325 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 190 [2021-11-19 15:46:48,333 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:48,335 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 215 [2021-11-19 15:46:48,338 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:48,344 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 288 [2021-11-19 15:46:48,669 INFO L354 Elim1Store]: treesize reduction 263, result has 30.1 percent of original size [2021-11-19 15:46:48,669 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 288 treesize of output 207 [2021-11-19 15:46:48,765 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:48,766 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 207 treesize of output 248 [2021-11-19 15:46:48,778 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:48,783 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 249 [2021-11-19 15:46:48,822 INFO L354 Elim1Store]: treesize reduction 45, result has 29.7 percent of original size [2021-11-19 15:46:48,822 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 249 treesize of output 221 [2021-11-19 15:46:48,835 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:48,837 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 206 [2021-11-19 15:46:48,844 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:46:48,846 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 173 [2021-11-19 15:46:48,853 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 173 treesize of output 165 [2021-11-19 15:46:48,854 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-19 15:46:48,964 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2021-11-19 15:46:49,099 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2021-11-19 15:46:49,490 INFO L354 Elim1Store]: treesize reduction 60, result has 48.3 percent of original size [2021-11-19 15:46:49,491 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 34 treesize of output 78 [2021-11-19 15:46:50,696 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 75 [2021-11-19 15:46:50,702 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 75 treesize of output 69 [2021-11-19 15:46:51,090 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 114 treesize of output 92 [2021-11-19 15:46:51,098 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-11-19 15:46:51,098 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 89 treesize of output 1 [2021-11-19 15:46:51,214 INFO L134 CoverageAnalysis]: Checked inductivity of 674 backedges. 230 proven. 55 refuted. 0 times theorem prover too weak. 389 trivial. 0 not checked. [2021-11-19 15:46:51,214 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 15:46:51,495 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 24 treesize of output 20 [2021-11-19 15:46:51,498 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 16 treesize of output 12 [2021-11-19 15:47:05,373 INFO L354 Elim1Store]: treesize reduction 253, result has 36.3 percent of original size [2021-11-19 15:47:05,374 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 5 case distinctions, treesize of input 988 treesize of output 565 [2021-11-19 15:47:05,405 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Some non-self update cases but no top-level DER relation [2021-11-19 15:47:05,405 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1915198517] [2021-11-19 15:47:05,410 INFO L159 IcfgInterpreter]: Started Sifa with 87 locations of interest [2021-11-19 15:47:05,410 INFO L166 IcfgInterpreter]: Building call graph [2021-11-19 15:47:05,411 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-19 15:47:05,412 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-19 15:47:05,412 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-19 15:47:05,472 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:47:05,473 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 15:47:05,474 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:47:05,474 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-11-19 15:47:05,475 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 15:47:05,475 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:47:05,476 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-19 15:47:05,476 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 15:47:05,476 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:47:05,477 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-19 15:47:05,490 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 15:47:05,491 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:47:05,492 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 108 [2021-11-19 15:47:05,494 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 15:47:05,495 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:47:05,496 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 454 [2021-11-19 15:47:05,496 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 15:47:05,497 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:47:05,497 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-11-19 15:47:05,498 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 15:47:05,500 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 15:47:05,500 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-19 15:47:05,510 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 951 [2021-11-19 15:47:05,515 FATAL L? ?]: Ignoring exception! java.lang.IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.smtlibutils.IncrementalPlicationChecker@45ebf469 at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.lock(ManagedScript.java:82) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.IncrementalPlicationChecker.assertLhs(IncrementalPlicationChecker.java:103) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.IncrementalPlicationChecker.checkPlication(IncrementalPlicationChecker.java:135) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.arrays.ArrayIndexEqualityManager.(ArrayIndexEqualityManager.java:92) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.computeCostEstimation(ElimStorePlain.java:571) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.doElimAllRec(ElimStorePlain.java:444) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.startRecursiveElimination(ElimStorePlain.java:242) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:402) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.quantifier(PartialQuantifierElimination.java:228) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools$EliminatingTermDomainOperationProvider.newQuantifier(SymbolicTools.java:279) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools$EliminatingTermDomainOperationProvider.projectExistentially(SymbolicTools.java:267) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.TermDomainOperationProvider.projectExistentially(TermDomainOperationProvider.java:1) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateTransformer.strongestPostcondition(PredicateTransformer.java:131) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools.post(SymbolicTools.java:116) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretInternal(DagInterpreter.java:227) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:209) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:187) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:165) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:123) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:136) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpret(IcfgInterpreter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:102) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:268) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) 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) [2021-11-19 15:47:05,517 INFO L186 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2021-11-19 15:47:05,517 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2021-11-19 15:47:05,517 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079157029] [2021-11-19 15:47:05,518 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2021-11-19 15:47:05,519 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-19 15:47:05,520 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 15:47:05,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-19 15:47:05,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=322, Unknown=0, NotChecked=0, Total=380 [2021-11-19 15:47:05,521 INFO L87 Difference]: Start difference. First operand 276 states and 428 transitions. Second operand has 10 states, 9 states have (on average 7.0) internal successors, (63), 9 states have internal predecessors, (63), 7 states have call successors, (31), 3 states have call predecessors, (31), 4 states have return successors, (31), 6 states have call predecessors, (31), 7 states have call successors, (31) [2021-11-19 15:47:05,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 15:47:05,522 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 342 GetRequests, 323 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 109 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=58, Invalid=322, Unknown=0, NotChecked=0, Total=380 [2021-11-19 15:47:05,522 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-19 15:47:05,523 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 0 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 15:47:05,561 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19b8c34e-d76c-4e7d-bcf8-5f9cf8ca2ffd/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2021-11-19 15:47:05,737 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19b8c34e-d76c-4e7d-bcf8-5f9cf8ca2ffd/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2021-11-19 15:47:05,737 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.smtlibutils.IncrementalPlicationChecker@45ebf469 at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.lock(ManagedScript.java:82) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.assertCodeBlock(IncrementalHoareTripleChecker.java:359) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.prepareAssertionStackAndAddTransition(IncrementalHoareTripleChecker.java:206) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.checkInternal(IncrementalHoareTripleChecker.java:131) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.ChainingHoareTripleChecker$ProtectedHtc.checkInternal(ChainingHoareTripleChecker.java:436) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.ChainingHoareTripleChecker.checkInternal(ChainingHoareTripleChecker.java:98) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.CachingHoareTripleChecker.checkInternal(CachingHoareTripleChecker.java:95) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton$InternalSuccessorComputationHelper.computeSuccWithSolver(AbstractInterpolantAutomaton.java:357) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.chooseFalseSuccessor2(BasicAbstractInterpolantAutomaton.java:107) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:73) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:233) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.TotalizeNwa.internalSuccessors(TotalizeNwa.java:213) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ComplementDeterministicNwa.internalSuccessors(ComplementDeterministicNwa.java:121) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:216) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:208) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.addInternalsAndSuccessors(NestedWordAutomatonReachableStates.java:1058) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.(NestedWordAutomatonReachableStates.java:960) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates.(NestedWordAutomatonReachableStates.java:182) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.computeDifference(Difference.java:137) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.(Difference.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.computeAutomataDifference(BasicCegarLoop.java:868) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.refineAbstraction(BasicCegarLoop.java:784) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.refineAbstractionInternal(AbstractCegarLoop.java:462) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:420) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) 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) [2021-11-19 15:47:05,739 INFO L158 Benchmark]: Toolchain (without parser) took 73461.66ms. Allocated memory was 96.5MB in the beginning and 604.0MB in the end (delta: 507.5MB). Free memory was 61.5MB in the beginning and 548.0MB in the end (delta: -486.5MB). Peak memory consumption was 21.7MB. Max. memory is 16.1GB. [2021-11-19 15:47:05,739 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 96.5MB. Free memory is still 48.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 15:47:05,739 INFO L158 Benchmark]: CACSL2BoogieTranslator took 650.40ms. Allocated memory was 96.5MB in the beginning and 132.1MB in the end (delta: 35.7MB). Free memory was 61.3MB in the beginning and 89.9MB in the end (delta: -28.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-19 15:47:05,739 INFO L158 Benchmark]: Boogie Procedure Inliner took 131.68ms. Allocated memory is still 132.1MB. Free memory was 89.9MB in the beginning and 85.0MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-19 15:47:05,740 INFO L158 Benchmark]: Boogie Preprocessor took 120.81ms. Allocated memory is still 132.1MB. Free memory was 85.0MB in the beginning and 81.5MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-19 15:47:05,740 INFO L158 Benchmark]: RCFGBuilder took 3469.98ms. Allocated memory is still 132.1MB. Free memory was 81.5MB in the beginning and 99.3MB in the end (delta: -17.7MB). Peak memory consumption was 52.2MB. Max. memory is 16.1GB. [2021-11-19 15:47:05,740 INFO L158 Benchmark]: TraceAbstraction took 69083.06ms. Allocated memory was 132.1MB in the beginning and 604.0MB in the end (delta: 471.9MB). Free memory was 98.4MB in the beginning and 548.0MB in the end (delta: -449.6MB). Peak memory consumption was 22.3MB. Max. memory is 16.1GB. [2021-11-19 15:47:05,741 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 96.5MB. Free memory is still 48.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 650.40ms. Allocated memory was 96.5MB in the beginning and 132.1MB in the end (delta: 35.7MB). Free memory was 61.3MB in the beginning and 89.9MB in the end (delta: -28.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 131.68ms. Allocated memory is still 132.1MB. Free memory was 89.9MB in the beginning and 85.0MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 120.81ms. Allocated memory is still 132.1MB. Free memory was 85.0MB in the beginning and 81.5MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 3469.98ms. Allocated memory is still 132.1MB. Free memory was 81.5MB in the beginning and 99.3MB in the end (delta: -17.7MB). Peak memory consumption was 52.2MB. Max. memory is 16.1GB. * TraceAbstraction took 69083.06ms. Allocated memory was 132.1MB in the beginning and 604.0MB in the end (delta: 471.9MB). Free memory was 98.4MB in the beginning and 548.0MB in the end (delta: -449.6MB). Peak memory consumption was 22.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.smtlibutils.IncrementalPlicationChecker@45ebf469 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.smtlibutils.IncrementalPlicationChecker@45ebf469: de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.lock(ManagedScript.java:82) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-19 15:47:05,764 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19b8c34e-d76c-4e7d-bcf8-5f9cf8ca2ffd/bin/utaipan-UbGMyvGFUs/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_19b8c34e-d76c-4e7d-bcf8-5f9cf8ca2ffd/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19b8c34e-d76c-4e7d-bcf8-5f9cf8ca2ffd/bin/utaipan-UbGMyvGFUs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19b8c34e-d76c-4e7d-bcf8-5f9cf8ca2ffd/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19b8c34e-d76c-4e7d-bcf8-5f9cf8ca2ffd/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/seq-pthread/cs_read_write_lock-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19b8c34e-d76c-4e7d-bcf8-5f9cf8ca2ffd/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19b8c34e-d76c-4e7d-bcf8-5f9cf8ca2ffd/bin/utaipan-UbGMyvGFUs --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 e288cdaba4e30d81bab26ec9691518934a309caacc3b94b192fd690548484ff4 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 15:47:08,183 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 15:47:08,185 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 15:47:08,230 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 15:47:08,231 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 15:47:08,232 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 15:47:08,234 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 15:47:08,236 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 15:47:08,239 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 15:47:08,240 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 15:47:08,241 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 15:47:08,243 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 15:47:08,243 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 15:47:08,245 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 15:47:08,246 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 15:47:08,248 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 15:47:08,249 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 15:47:08,250 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 15:47:08,253 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 15:47:08,255 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 15:47:08,257 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 15:47:08,259 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 15:47:08,261 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 15:47:08,262 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 15:47:08,266 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 15:47:08,266 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 15:47:08,267 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 15:47:08,268 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 15:47:08,269 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 15:47:08,270 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 15:47:08,270 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 15:47:08,271 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 15:47:08,272 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 15:47:08,273 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 15:47:08,275 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 15:47:08,275 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 15:47:08,276 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 15:47:08,276 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 15:47:08,277 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 15:47:08,278 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 15:47:08,278 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 15:47:08,279 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19b8c34e-d76c-4e7d-bcf8-5f9cf8ca2ffd/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-19 15:47:08,305 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 15:47:08,305 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 15:47:08,306 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 15:47:08,306 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 15:47:08,306 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 15:47:08,307 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 15:47:08,307 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 15:47:08,307 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 15:47:08,307 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 15:47:08,307 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 15:47:08,308 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 15:47:08,309 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-19 15:47:08,309 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-19 15:47:08,309 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 15:47:08,309 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 15:47:08,310 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 15:47:08,310 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 15:47:08,310 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 15:47:08,310 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-19 15:47:08,310 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-19 15:47:08,311 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-19 15:47:08,311 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 15:47:08,311 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 15:47:08,311 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 15:47:08,312 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 15:47:08,312 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 15:47:08,312 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 15:47:08,312 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 15:47:08,313 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 15:47:08,313 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 15:47:08,313 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 15:47:08,313 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-19 15:47:08,314 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-19 15:47:08,314 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 15:47:08,314 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 15:47:08,314 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 15:47:08,314 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_19b8c34e-d76c-4e7d-bcf8-5f9cf8ca2ffd/bin/utaipan-UbGMyvGFUs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19b8c34e-d76c-4e7d-bcf8-5f9cf8ca2ffd/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e288cdaba4e30d81bab26ec9691518934a309caacc3b94b192fd690548484ff4 [2021-11-19 15:47:08,711 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 15:47:08,739 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 15:47:08,743 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 15:47:08,746 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 15:47:08,749 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 15:47:08,751 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19b8c34e-d76c-4e7d-bcf8-5f9cf8ca2ffd/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/seq-pthread/cs_read_write_lock-1.i [2021-11-19 15:47:08,838 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19b8c34e-d76c-4e7d-bcf8-5f9cf8ca2ffd/bin/utaipan-UbGMyvGFUs/data/bc99b2613/11f8a8d845d348ec9e4096ae655070fe/FLAG7586faec5 [2021-11-19 15:47:09,488 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 15:47:09,495 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19b8c34e-d76c-4e7d-bcf8-5f9cf8ca2ffd/sv-benchmarks/c/seq-pthread/cs_read_write_lock-1.i [2021-11-19 15:47:09,516 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19b8c34e-d76c-4e7d-bcf8-5f9cf8ca2ffd/bin/utaipan-UbGMyvGFUs/data/bc99b2613/11f8a8d845d348ec9e4096ae655070fe/FLAG7586faec5 [2021-11-19 15:47:09,704 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19b8c34e-d76c-4e7d-bcf8-5f9cf8ca2ffd/bin/utaipan-UbGMyvGFUs/data/bc99b2613/11f8a8d845d348ec9e4096ae655070fe [2021-11-19 15:47:09,707 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 15:47:09,708 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 15:47:09,714 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 15:47:09,714 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 15:47:09,718 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 15:47:09,719 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:47:09" (1/1) ... [2021-11-19 15:47:09,720 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12f59c13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:47:09, skipping insertion in model container [2021-11-19 15:47:09,720 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:47:09" (1/1) ... [2021-11-19 15:47:09,728 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 15:47:09,776 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 15:47:10,190 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_19b8c34e-d76c-4e7d-bcf8-5f9cf8ca2ffd/sv-benchmarks/c/seq-pthread/cs_read_write_lock-1.i[23614,23627] [2021-11-19 15:47:10,384 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 15:47:10,404 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 15:47:10,436 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_19b8c34e-d76c-4e7d-bcf8-5f9cf8ca2ffd/sv-benchmarks/c/seq-pthread/cs_read_write_lock-1.i[23614,23627] [2021-11-19 15:47:10,500 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 15:47:10,544 INFO L208 MainTranslator]: Completed translation [2021-11-19 15:47:10,544 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:47:10 WrapperNode [2021-11-19 15:47:10,544 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 15:47:10,546 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 15:47:10,546 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 15:47:10,546 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 15:47:10,554 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:47:10" (1/1) ... [2021-11-19 15:47:10,584 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:47:10" (1/1) ... [2021-11-19 15:47:10,654 INFO L137 Inliner]: procedures = 151, calls = 289, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 577 [2021-11-19 15:47:10,654 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 15:47:10,655 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 15:47:10,655 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 15:47:10,656 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 15:47:10,665 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:47:10" (1/1) ... [2021-11-19 15:47:10,665 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:47:10" (1/1) ... [2021-11-19 15:47:10,674 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:47:10" (1/1) ... [2021-11-19 15:47:10,675 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:47:10" (1/1) ... [2021-11-19 15:47:10,705 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:47:10" (1/1) ... [2021-11-19 15:47:10,712 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:47:10" (1/1) ... [2021-11-19 15:47:10,717 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:47:10" (1/1) ... [2021-11-19 15:47:10,724 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 15:47:10,725 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 15:47:10,726 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 15:47:10,726 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 15:47:10,727 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:47:10" (1/1) ... [2021-11-19 15:47:10,734 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 15:47:10,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19b8c34e-d76c-4e7d-bcf8-5f9cf8ca2ffd/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 15:47:10,774 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19b8c34e-d76c-4e7d-bcf8-5f9cf8ca2ffd/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 15:47:10,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19b8c34e-d76c-4e7d-bcf8-5f9cf8ca2ffd/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 15:47:10,826 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-19 15:47:10,826 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-19 15:47:10,827 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-19 15:47:10,827 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-19 15:47:10,827 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 15:47:10,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-19 15:47:10,828 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-19 15:47:10,828 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_create [2021-11-19 15:47:10,828 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_create [2021-11-19 15:47:10,828 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-19 15:47:10,828 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_join [2021-11-19 15:47:10,829 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_join [2021-11-19 15:47:10,829 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~$Pointer$ [2021-11-19 15:47:10,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~$Pointer$ [2021-11-19 15:47:10,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-19 15:47:10,830 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-19 15:47:10,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-19 15:47:10,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-19 15:47:10,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-19 15:47:10,831 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_cs [2021-11-19 15:47:10,831 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_cs [2021-11-19 15:47:10,832 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_assume [2021-11-19 15:47:10,832 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_assume [2021-11-19 15:47:10,832 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 15:47:10,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 15:47:11,095 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 15:47:11,097 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 15:47:11,588 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##42: assume !(0bv32 != ~zero_extendFrom8To32(~__CS_ret~0)); [2021-11-19 15:47:11,589 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##41: assume 0bv32 != ~zero_extendFrom8To32(~__CS_ret~0);reader_#res#1.base, reader_#res#1.offset := 0bv32, 0bv32; [2021-11-19 15:47:14,444 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 15:47:14,481 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 15:47:14,481 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-19 15:47:14,482 ERROR L335 CfgBuilder]: Unexpected successor node of atomic block begin: L696 is neither atomic block end nor a sink node. [2021-11-19 15:47:14,483 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:304) 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) [2021-11-19 15:47:14,488 INFO L158 Benchmark]: Toolchain (without parser) took 4778.47ms. Allocated memory was 71.3MB in the beginning and 100.7MB in the end (delta: 29.4MB). Free memory was 51.3MB in the beginning and 52.0MB in the end (delta: -723.5kB). Peak memory consumption was 40.8MB. Max. memory is 16.1GB. [2021-11-19 15:47:14,488 INFO L158 Benchmark]: CDTParser took 0.71ms. Allocated memory is still 71.3MB. Free memory was 52.6MB in the beginning and 52.5MB in the end (delta: 95.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 15:47:14,489 INFO L158 Benchmark]: CACSL2BoogieTranslator took 830.74ms. Allocated memory is still 71.3MB. Free memory was 51.1MB in the beginning and 35.4MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-19 15:47:14,490 INFO L158 Benchmark]: Boogie Procedure Inliner took 109.06ms. Allocated memory was 71.3MB in the beginning and 100.7MB in the end (delta: 29.4MB). Free memory was 35.4MB in the beginning and 80.9MB in the end (delta: -45.5MB). Peak memory consumption was 9.0MB. Max. memory is 16.1GB. [2021-11-19 15:47:14,491 INFO L158 Benchmark]: Boogie Preprocessor took 69.39ms. Allocated memory is still 100.7MB. Free memory was 80.9MB in the beginning and 76.2MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-19 15:47:14,492 INFO L158 Benchmark]: RCFGBuilder took 3760.49ms. Allocated memory is still 100.7MB. Free memory was 76.2MB in the beginning and 52.0MB in the end (delta: 24.2MB). Peak memory consumption was 36.9MB. Max. memory is 16.1GB. [2021-11-19 15:47:14,495 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.71ms. Allocated memory is still 71.3MB. Free memory was 52.6MB in the beginning and 52.5MB in the end (delta: 95.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 830.74ms. Allocated memory is still 71.3MB. Free memory was 51.1MB in the beginning and 35.4MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 109.06ms. Allocated memory was 71.3MB in the beginning and 100.7MB in the end (delta: 29.4MB). Free memory was 35.4MB in the beginning and 80.9MB in the end (delta: -45.5MB). Peak memory consumption was 9.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 69.39ms. Allocated memory is still 100.7MB. Free memory was 80.9MB in the beginning and 76.2MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 3760.49ms. Allocated memory is still 100.7MB. Free memory was 76.2MB in the beginning and 52.0MB in the end (delta: 24.2MB). Peak memory consumption was 36.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:304) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-19 15:47:14,542 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19b8c34e-d76c-4e7d-bcf8-5f9cf8ca2ffd/bin/utaipan-UbGMyvGFUs/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 Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?