./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test1-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9ad7fb26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73d7cf15-6b84-4fe6-b163-205e53bfb2ea/bin/utaipan-aC7eJsxGYH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73d7cf15-6b84-4fe6-b163-205e53bfb2ea/bin/utaipan-aC7eJsxGYH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73d7cf15-6b84-4fe6-b163-205e53bfb2ea/bin/utaipan-aC7eJsxGYH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73d7cf15-6b84-4fe6-b163-205e53bfb2ea/bin/utaipan-aC7eJsxGYH/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test1-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73d7cf15-6b84-4fe6-b163-205e53bfb2ea/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73d7cf15-6b84-4fe6-b163-205e53bfb2ea/bin/utaipan-aC7eJsxGYH --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 8a34048511216dfe9a14f70dd929fd2de5a6eaf4560cb9e9e466dd0467a1d6d7 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-03 04:23:40,974 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 04:23:40,976 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 04:23:41,010 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 04:23:41,011 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 04:23:41,012 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 04:23:41,014 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 04:23:41,016 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 04:23:41,018 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 04:23:41,019 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 04:23:41,020 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 04:23:41,022 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 04:23:41,023 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 04:23:41,024 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 04:23:41,025 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 04:23:41,027 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 04:23:41,028 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 04:23:41,029 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 04:23:41,031 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 04:23:41,040 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 04:23:41,047 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 04:23:41,054 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 04:23:41,055 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 04:23:41,056 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 04:23:41,059 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 04:23:41,060 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 04:23:41,060 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 04:23:41,061 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 04:23:41,061 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 04:23:41,063 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 04:23:41,063 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 04:23:41,064 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 04:23:41,065 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 04:23:41,069 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 04:23:41,072 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 04:23:41,072 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 04:23:41,073 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 04:23:41,073 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 04:23:41,073 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 04:23:41,074 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 04:23:41,075 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 04:23:41,076 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73d7cf15-6b84-4fe6-b163-205e53bfb2ea/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-03 04:23:41,114 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 04:23:41,114 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 04:23:41,115 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-03 04:23:41,115 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-03 04:23:41,115 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-03 04:23:41,115 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-03 04:23:41,115 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-03 04:23:41,116 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-03 04:23:41,116 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-03 04:23:41,116 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-03 04:23:41,116 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-03 04:23:41,116 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-03 04:23:41,117 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-03 04:23:41,117 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-03 04:23:41,117 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-03 04:23:41,117 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 04:23:41,118 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-03 04:23:41,118 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-03 04:23:41,118 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-03 04:23:41,118 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 04:23:41,118 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-03 04:23:41,119 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 04:23:41,119 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-03 04:23:41,119 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-03 04:23:41,119 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-03 04:23:41,119 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-03 04:23:41,120 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 04:23:41,120 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-03 04:23:41,120 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 04:23:41,120 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 04:23:41,120 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 04:23:41,121 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 04:23:41,121 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 04:23:41,121 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-03 04:23:41,121 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-03 04:23:41,121 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-03 04:23:41,122 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-03 04:23:41,122 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 04:23:41,122 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-03 04:23:41,122 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_73d7cf15-6b84-4fe6-b163-205e53bfb2ea/bin/utaipan-aC7eJsxGYH/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73d7cf15-6b84-4fe6-b163-205e53bfb2ea/bin/utaipan-aC7eJsxGYH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8a34048511216dfe9a14f70dd929fd2de5a6eaf4560cb9e9e466dd0467a1d6d7 [2021-11-03 04:23:41,366 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 04:23:41,386 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 04:23:41,388 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 04:23:41,389 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 04:23:41,390 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 04:23:41,410 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73d7cf15-6b84-4fe6-b163-205e53bfb2ea/bin/utaipan-aC7eJsxGYH/../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test1-1.i [2021-11-03 04:23:41,469 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73d7cf15-6b84-4fe6-b163-205e53bfb2ea/bin/utaipan-aC7eJsxGYH/data/9fd75c4c6/855f406e464f479ebf1adbebf1d21567/FLAGa33325e70 [2021-11-03 04:23:42,006 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 04:23:42,006 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73d7cf15-6b84-4fe6-b163-205e53bfb2ea/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test1-1.i [2021-11-03 04:23:42,026 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73d7cf15-6b84-4fe6-b163-205e53bfb2ea/bin/utaipan-aC7eJsxGYH/data/9fd75c4c6/855f406e464f479ebf1adbebf1d21567/FLAGa33325e70 [2021-11-03 04:23:42,294 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73d7cf15-6b84-4fe6-b163-205e53bfb2ea/bin/utaipan-aC7eJsxGYH/data/9fd75c4c6/855f406e464f479ebf1adbebf1d21567 [2021-11-03 04:23:42,299 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 04:23:42,301 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 04:23:42,303 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 04:23:42,304 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 04:23:42,308 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 04:23:42,308 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:23:42" (1/1) ... [2021-11-03 04:23:42,310 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ad328b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:23:42, skipping insertion in model container [2021-11-03 04:23:42,310 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:23:42" (1/1) ... [2021-11-03 04:23:42,317 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 04:23:42,375 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 04:23:42,721 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73d7cf15-6b84-4fe6-b163-205e53bfb2ea/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test1-1.i[33021,33034] [2021-11-03 04:23:42,791 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 04:23:42,800 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-11-03 04:23:42,801 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1dc397fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:23:42, skipping insertion in model container [2021-11-03 04:23:42,801 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-03 04:23:42,801 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-03 04:23:42,803 INFO L168 Benchmark]: Toolchain (without parser) took 501.18 ms. Allocated memory is still 136.3 MB. Free memory was 98.7 MB in the beginning and 107.3 MB in the end (delta: -8.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-11-03 04:23:42,804 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 136.3 MB. Free memory is still 118.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-03 04:23:42,805 INFO L168 Benchmark]: CACSL2BoogieTranslator took 497.73 ms. Allocated memory is still 136.3 MB. Free memory was 98.5 MB in the beginning and 107.3 MB in the end (delta: -8.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-11-03 04:23:42,806 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 136.3 MB. Free memory is still 118.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 497.73 ms. Allocated memory is still 136.3 MB. Free memory was 98.5 MB in the beginning and 107.3 MB in the end (delta: -8.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 751]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. 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_73d7cf15-6b84-4fe6-b163-205e53bfb2ea/bin/utaipan-aC7eJsxGYH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73d7cf15-6b84-4fe6-b163-205e53bfb2ea/bin/utaipan-aC7eJsxGYH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73d7cf15-6b84-4fe6-b163-205e53bfb2ea/bin/utaipan-aC7eJsxGYH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73d7cf15-6b84-4fe6-b163-205e53bfb2ea/bin/utaipan-aC7eJsxGYH/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test1-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73d7cf15-6b84-4fe6-b163-205e53bfb2ea/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73d7cf15-6b84-4fe6-b163-205e53bfb2ea/bin/utaipan-aC7eJsxGYH --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 8a34048511216dfe9a14f70dd929fd2de5a6eaf4560cb9e9e466dd0467a1d6d7 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-03 04:23:44,887 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 04:23:44,890 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 04:23:44,919 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 04:23:44,920 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 04:23:44,921 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 04:23:44,923 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 04:23:44,926 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 04:23:44,928 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 04:23:44,929 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 04:23:44,930 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 04:23:44,932 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 04:23:44,932 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 04:23:44,933 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 04:23:44,935 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 04:23:44,937 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 04:23:44,938 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 04:23:44,939 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 04:23:44,945 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 04:23:44,948 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 04:23:44,954 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 04:23:44,956 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 04:23:44,958 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 04:23:44,960 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 04:23:44,965 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 04:23:44,970 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 04:23:44,970 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 04:23:44,971 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 04:23:44,972 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 04:23:44,973 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 04:23:44,974 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 04:23:44,975 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 04:23:44,976 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 04:23:44,977 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 04:23:44,985 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 04:23:44,986 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 04:23:44,987 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 04:23:44,987 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 04:23:44,987 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 04:23:44,989 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 04:23:44,990 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 04:23:44,991 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73d7cf15-6b84-4fe6-b163-205e53bfb2ea/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-03 04:23:45,033 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 04:23:45,033 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 04:23:45,034 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-03 04:23:45,034 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-03 04:23:45,035 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-03 04:23:45,035 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-03 04:23:45,035 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-03 04:23:45,035 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-03 04:23:45,035 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-03 04:23:45,037 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 04:23:45,038 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-03 04:23:45,038 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-03 04:23:45,038 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 04:23:45,038 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-03 04:23:45,039 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 04:23:45,039 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-03 04:23:45,039 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-03 04:23:45,039 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-03 04:23:45,039 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-03 04:23:45,040 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-03 04:23:45,040 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-03 04:23:45,040 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 04:23:45,040 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-03 04:23:45,041 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 04:23:45,041 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-03 04:23:45,041 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 04:23:45,041 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 04:23:45,042 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 04:23:45,042 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 04:23:45,042 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-03 04:23:45,042 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-03 04:23:45,042 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-03 04:23:45,043 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-03 04:23:45,043 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 04:23:45,043 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-03 04:23:45,043 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_73d7cf15-6b84-4fe6-b163-205e53bfb2ea/bin/utaipan-aC7eJsxGYH/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73d7cf15-6b84-4fe6-b163-205e53bfb2ea/bin/utaipan-aC7eJsxGYH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8a34048511216dfe9a14f70dd929fd2de5a6eaf4560cb9e9e466dd0467a1d6d7 [2021-11-03 04:23:45,459 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 04:23:45,494 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 04:23:45,495 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 04:23:45,496 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 04:23:45,498 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 04:23:45,498 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73d7cf15-6b84-4fe6-b163-205e53bfb2ea/bin/utaipan-aC7eJsxGYH/../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test1-1.i [2021-11-03 04:23:45,578 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73d7cf15-6b84-4fe6-b163-205e53bfb2ea/bin/utaipan-aC7eJsxGYH/data/6e06504da/3f1f64485e46481da9a25b74f26df22f/FLAGf837ea31d [2021-11-03 04:23:46,149 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 04:23:46,150 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73d7cf15-6b84-4fe6-b163-205e53bfb2ea/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test1-1.i [2021-11-03 04:23:46,165 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73d7cf15-6b84-4fe6-b163-205e53bfb2ea/bin/utaipan-aC7eJsxGYH/data/6e06504da/3f1f64485e46481da9a25b74f26df22f/FLAGf837ea31d [2021-11-03 04:23:46,432 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73d7cf15-6b84-4fe6-b163-205e53bfb2ea/bin/utaipan-aC7eJsxGYH/data/6e06504da/3f1f64485e46481da9a25b74f26df22f [2021-11-03 04:23:46,437 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 04:23:46,439 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 04:23:46,442 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 04:23:46,442 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 04:23:46,445 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 04:23:46,446 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:23:46" (1/1) ... [2021-11-03 04:23:46,447 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a9cf017 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:23:46, skipping insertion in model container [2021-11-03 04:23:46,447 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:23:46" (1/1) ... [2021-11-03 04:23:46,455 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 04:23:46,528 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 04:23:46,969 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73d7cf15-6b84-4fe6-b163-205e53bfb2ea/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test1-1.i[33021,33034] [2021-11-03 04:23:47,083 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 04:23:47,105 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-03 04:23:47,117 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 04:23:47,137 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73d7cf15-6b84-4fe6-b163-205e53bfb2ea/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test1-1.i[33021,33034] [2021-11-03 04:23:47,202 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 04:23:47,212 INFO L203 MainTranslator]: Completed pre-run [2021-11-03 04:23:47,241 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73d7cf15-6b84-4fe6-b163-205e53bfb2ea/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test1-1.i[33021,33034] [2021-11-03 04:23:47,305 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 04:23:47,358 INFO L208 MainTranslator]: Completed translation [2021-11-03 04:23:47,359 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:23:47 WrapperNode [2021-11-03 04:23:47,359 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-03 04:23:47,360 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-03 04:23:47,360 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-03 04:23:47,360 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-03 04:23:47,366 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:23:47" (1/1) ... [2021-11-03 04:23:47,396 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:23:47" (1/1) ... [2021-11-03 04:23:47,440 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-03 04:23:47,441 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-03 04:23:47,441 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-03 04:23:47,441 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-03 04:23:47,449 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:23:47" (1/1) ... [2021-11-03 04:23:47,450 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:23:47" (1/1) ... [2021-11-03 04:23:47,459 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:23:47" (1/1) ... [2021-11-03 04:23:47,459 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:23:47" (1/1) ... [2021-11-03 04:23:47,494 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:23:47" (1/1) ... [2021-11-03 04:23:47,519 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:23:47" (1/1) ... [2021-11-03 04:23:47,524 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:23:47" (1/1) ... [2021-11-03 04:23:47,532 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-03 04:23:47,532 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-03 04:23:47,533 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-03 04:23:47,533 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-03 04:23:47,533 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:23:47" (1/1) ... [2021-11-03 04:23:47,539 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 04:23:47,562 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73d7cf15-6b84-4fe6-b163-205e53bfb2ea/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 04:23:47,578 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73d7cf15-6b84-4fe6-b163-205e53bfb2ea/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-03 04:23:47,605 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73d7cf15-6b84-4fe6-b163-205e53bfb2ea/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-03 04:23:47,628 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-03 04:23:47,628 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-03 04:23:47,630 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-03 04:23:47,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-03 04:23:47,630 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-03 04:23:47,630 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-03 04:23:47,631 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-03 04:23:47,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-03 04:23:47,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-03 04:23:47,631 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-03 04:23:47,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-03 04:23:52,942 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-03 04:23:52,943 INFO L299 CfgBuilder]: Removed 63 assume(true) statements. [2021-11-03 04:23:52,944 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:23:52 BoogieIcfgContainer [2021-11-03 04:23:52,945 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-03 04:23:52,948 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-03 04:23:52,948 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-03 04:23:52,950 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-03 04:23:52,950 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 04:23:46" (1/3) ... [2021-11-03 04:23:52,951 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a073ffd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 04:23:52, skipping insertion in model container [2021-11-03 04:23:52,951 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:23:47" (2/3) ... [2021-11-03 04:23:52,952 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a073ffd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 04:23:52, skipping insertion in model container [2021-11-03 04:23:52,952 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:23:52" (3/3) ... [2021-11-03 04:23:52,955 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_JEN_test1-1.i [2021-11-03 04:23:52,960 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-03 04:23:52,960 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2021-11-03 04:23:53,015 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-03 04:23:53,023 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 [2021-11-03 04:23:53,023 INFO L340 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2021-11-03 04:23:53,046 INFO L276 IsEmpty]: Start isEmpty. Operand has 138 states, 127 states have (on average 1.7401574803149606) internal successors, (221), 137 states have internal predecessors, (221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:23:53,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-03 04:23:53,051 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:23:53,052 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:23:53,052 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 7 more)] === [2021-11-03 04:23:53,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:23:53,057 INFO L85 PathProgramCache]: Analyzing trace with hash -1407226647, now seen corresponding path program 1 times [2021-11-03 04:23:53,067 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:23:53,067 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [64459872] [2021-11-03 04:23:53,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:23:53,068 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:23:53,068 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73d7cf15-6b84-4fe6-b163-205e53bfb2ea/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:23:53,069 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73d7cf15-6b84-4fe6-b163-205e53bfb2ea/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:23:53,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73d7cf15-6b84-4fe6-b163-205e53bfb2ea/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-03 04:23:53,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:23:53,200 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-03 04:23:53,204 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:23:53,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:23:53,262 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:23:53,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:23:53,308 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:23:53,308 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [64459872] [2021-11-03 04:23:53,308 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [64459872] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:23:53,308 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:23:53,309 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-03 04:23:53,310 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1597608283] [2021-11-03 04:23:53,314 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-03 04:23:53,314 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:23:53,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-03 04:23:53,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-03 04:23:53,339 INFO L87 Difference]: Start difference. First operand has 138 states, 127 states have (on average 1.7401574803149606) internal successors, (221), 137 states have internal predecessors, (221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:23:53,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:23:53,370 INFO L93 Difference]: Finished difference Result 274 states and 440 transitions. [2021-11-03 04:23:53,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-03 04:23:53,371 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2021-11-03 04:23:53,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:23:53,381 INFO L225 Difference]: With dead ends: 274 [2021-11-03 04:23:53,381 INFO L226 Difference]: Without dead ends: 134 [2021-11-03 04:23:53,384 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-03 04:23:53,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2021-11-03 04:23:53,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2021-11-03 04:23:53,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 124 states have (on average 1.3870967741935485) internal successors, (172), 133 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:23:53,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 172 transitions. [2021-11-03 04:23:53,470 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 172 transitions. Word has length 8 [2021-11-03 04:23:53,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:23:53,471 INFO L470 AbstractCegarLoop]: Abstraction has 134 states and 172 transitions. [2021-11-03 04:23:53,472 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:23:53,474 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 172 transitions. [2021-11-03 04:23:53,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-03 04:23:53,475 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:23:53,475 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:23:53,492 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73d7cf15-6b84-4fe6-b163-205e53bfb2ea/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-03 04:23:53,688 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73d7cf15-6b84-4fe6-b163-205e53bfb2ea/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:23:53,690 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 7 more)] === [2021-11-03 04:23:53,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:23:53,693 INFO L85 PathProgramCache]: Analyzing trace with hash 569968710, now seen corresponding path program 1 times [2021-11-03 04:23:53,695 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:23:53,697 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2026916573] [2021-11-03 04:23:53,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:23:53,698 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:23:53,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73d7cf15-6b84-4fe6-b163-205e53bfb2ea/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:23:53,718 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73d7cf15-6b84-4fe6-b163-205e53bfb2ea/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:23:53,724 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73d7cf15-6b84-4fe6-b163-205e53bfb2ea/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-03 04:23:53,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:23:53,879 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-03 04:23:53,888 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:23:53,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:23:53,956 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:23:54,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:23:54,001 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:23:54,002 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2026916573] [2021-11-03 04:23:54,002 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2026916573] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:23:54,003 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:23:54,003 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-03 04:23:54,004 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613581120] [2021-11-03 04:23:54,005 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 04:23:54,005 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:23:54,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 04:23:54,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-03 04:23:54,008 INFO L87 Difference]: Start difference. First operand 134 states and 172 transitions. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:23:54,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:23:54,203 INFO L93 Difference]: Finished difference Result 267 states and 344 transitions. [2021-11-03 04:23:54,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 04:23:54,204 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2021-11-03 04:23:54,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:23:54,206 INFO L225 Difference]: With dead ends: 267 [2021-11-03 04:23:54,207 INFO L226 Difference]: Without dead ends: 222 [2021-11-03 04:23:54,208 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-03 04:23:54,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2021-11-03 04:23:54,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 222. [2021-11-03 04:23:54,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 222 states, 212 states have (on average 1.3537735849056605) internal successors, (287), 221 states have internal predecessors, (287), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:23:54,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 287 transitions. [2021-11-03 04:23:54,226 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 287 transitions. Word has length 8 [2021-11-03 04:23:54,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:23:54,227 INFO L470 AbstractCegarLoop]: Abstraction has 222 states and 287 transitions. [2021-11-03 04:23:54,227 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:23:54,227 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 287 transitions. [2021-11-03 04:23:54,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-03 04:23:54,233 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:23:54,233 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:23:54,249 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73d7cf15-6b84-4fe6-b163-205e53bfb2ea/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-03 04:23:54,450 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73d7cf15-6b84-4fe6-b163-205e53bfb2ea/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:23:54,451 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 7 more)] === [2021-11-03 04:23:54,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:23:54,458 INFO L85 PathProgramCache]: Analyzing trace with hash 2050695974, now seen corresponding path program 1 times [2021-11-03 04:23:54,470 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:23:54,471 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1697953069] [2021-11-03 04:23:54,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:23:54,473 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:23:54,474 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73d7cf15-6b84-4fe6-b163-205e53bfb2ea/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:23:54,478 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73d7cf15-6b84-4fe6-b163-205e53bfb2ea/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:23:54,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73d7cf15-6b84-4fe6-b163-205e53bfb2ea/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-03 04:23:54,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:23:54,889 INFO L263 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-03 04:23:54,895 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:23:55,237 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2021-11-03 04:23:55,238 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:23:55,592 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2021-11-03 04:23:55,593 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:23:55,593 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1697953069] [2021-11-03 04:23:55,593 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1697953069] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:23:55,593 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:23:55,594 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 5 [2021-11-03 04:23:55,594 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1041931850] [2021-11-03 04:23:55,595 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-03 04:23:55,595 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:23:55,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-03 04:23:55,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-03 04:23:55,596 INFO L87 Difference]: Start difference. First operand 222 states and 287 transitions. Second operand has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:23:55,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:23:55,729 INFO L93 Difference]: Finished difference Result 444 states and 580 transitions. [2021-11-03 04:23:55,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 04:23:55,730 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2021-11-03 04:23:55,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:23:55,738 INFO L225 Difference]: With dead ends: 444 [2021-11-03 04:23:55,738 INFO L226 Difference]: Without dead ends: 230 [2021-11-03 04:23:55,743 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 215 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-03 04:23:55,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2021-11-03 04:23:55,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 228. [2021-11-03 04:23:55,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 228 states, 218 states have (on average 1.2706422018348624) internal successors, (277), 227 states have internal predecessors, (277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:23:55,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 277 transitions. [2021-11-03 04:23:55,782 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 277 transitions. Word has length 110 [2021-11-03 04:23:55,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:23:55,782 INFO L470 AbstractCegarLoop]: Abstraction has 228 states and 277 transitions. [2021-11-03 04:23:55,783 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:23:55,784 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 277 transitions. [2021-11-03 04:23:55,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-03 04:23:55,794 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:23:55,794 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:23:55,824 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73d7cf15-6b84-4fe6-b163-205e53bfb2ea/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-03 04:23:56,020 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73d7cf15-6b84-4fe6-b163-205e53bfb2ea/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:23:56,022 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 7 more)] === [2021-11-03 04:23:56,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:23:56,024 INFO L85 PathProgramCache]: Analyzing trace with hash 1601617830, now seen corresponding path program 1 times [2021-11-03 04:23:56,031 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:23:56,032 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [728536248] [2021-11-03 04:23:56,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:23:56,034 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:23:56,035 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73d7cf15-6b84-4fe6-b163-205e53bfb2ea/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:23:56,038 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73d7cf15-6b84-4fe6-b163-205e53bfb2ea/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:23:56,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73d7cf15-6b84-4fe6-b163-205e53bfb2ea/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-03 04:23:56,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:23:56,494 INFO L263 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-03 04:23:56,500 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:23:56,900 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2021-11-03 04:23:56,900 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:23:57,616 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2021-11-03 04:23:57,616 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:23:57,616 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [728536248] [2021-11-03 04:23:57,617 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [728536248] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:23:57,617 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:23:57,617 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 7] imperfect sequences [] total 9 [2021-11-03 04:23:57,617 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636040053] [2021-11-03 04:23:57,618 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-03 04:23:57,618 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:23:57,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-03 04:23:57,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2021-11-03 04:23:57,619 INFO L87 Difference]: Start difference. First operand 228 states and 277 transitions. Second operand has 9 states, 9 states have (on average 12.333333333333334) internal successors, (111), 9 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:23:57,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:23:57,702 INFO L93 Difference]: Finished difference Result 413 states and 507 transitions. [2021-11-03 04:23:57,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 04:23:57,702 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.333333333333334) internal successors, (111), 9 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2021-11-03 04:23:57,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:23:57,704 INFO L225 Difference]: With dead ends: 413 [2021-11-03 04:23:57,704 INFO L226 Difference]: Without dead ends: 216 [2021-11-03 04:23:57,705 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 211 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2021-11-03 04:23:57,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2021-11-03 04:23:57,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 216. [2021-11-03 04:23:57,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216 states, 206 states have (on average 1.2475728155339805) internal successors, (257), 215 states have internal predecessors, (257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:23:57,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 257 transitions. [2021-11-03 04:23:57,718 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 257 transitions. Word has length 110 [2021-11-03 04:23:57,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:23:57,718 INFO L470 AbstractCegarLoop]: Abstraction has 216 states and 257 transitions. [2021-11-03 04:23:57,718 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.333333333333334) internal successors, (111), 9 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:23:57,719 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 257 transitions. [2021-11-03 04:23:57,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-03 04:23:57,723 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:23:57,723 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:23:57,744 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73d7cf15-6b84-4fe6-b163-205e53bfb2ea/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-03 04:23:57,940 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73d7cf15-6b84-4fe6-b163-205e53bfb2ea/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:23:57,942 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 7 more)] === [2021-11-03 04:23:57,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:23:57,944 INFO L85 PathProgramCache]: Analyzing trace with hash 1357916902, now seen corresponding path program 1 times [2021-11-03 04:23:57,949 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:23:57,951 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [934498231] [2021-11-03 04:23:57,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:23:57,953 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:23:57,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73d7cf15-6b84-4fe6-b163-205e53bfb2ea/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:23:57,957 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73d7cf15-6b84-4fe6-b163-205e53bfb2ea/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:23:58,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73d7cf15-6b84-4fe6-b163-205e53bfb2ea/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-03 04:23:58,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:23:58,428 INFO L263 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-03 04:23:58,433 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:23:58,925 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-03 04:23:58,925 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:23:59,431 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-03 04:23:59,432 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:23:59,432 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [934498231] [2021-11-03 04:23:59,432 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [934498231] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:23:59,432 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:23:59,432 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-03 04:23:59,433 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [114417142] [2021-11-03 04:23:59,433 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-03 04:23:59,433 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:23:59,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-03 04:23:59,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 04:23:59,434 INFO L87 Difference]: Start difference. First operand 216 states and 257 transitions. Second operand has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:23:59,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:23:59,907 INFO L93 Difference]: Finished difference Result 383 states and 462 transitions. [2021-11-03 04:23:59,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-03 04:23:59,909 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2021-11-03 04:23:59,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:23:59,911 INFO L225 Difference]: With dead ends: 383 [2021-11-03 04:23:59,911 INFO L226 Difference]: Without dead ends: 214 [2021-11-03 04:23:59,911 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 217 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 04:23:59,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2021-11-03 04:23:59,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 214. [2021-11-03 04:23:59,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 214 states, 204 states have (on average 1.2450980392156863) internal successors, (254), 213 states have internal predecessors, (254), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:23:59,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 254 transitions. [2021-11-03 04:23:59,922 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 254 transitions. Word has length 110 [2021-11-03 04:23:59,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:23:59,922 INFO L470 AbstractCegarLoop]: Abstraction has 214 states and 254 transitions. [2021-11-03 04:23:59,923 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:23:59,923 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 254 transitions. [2021-11-03 04:23:59,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2021-11-03 04:23:59,924 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:23:59,924 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:23:59,942 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73d7cf15-6b84-4fe6-b163-205e53bfb2ea/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (6)] Ended with exit code 0 [2021-11-03 04:24:00,142 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73d7cf15-6b84-4fe6-b163-205e53bfb2ea/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:24:00,144 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 7 more)] === [2021-11-03 04:24:00,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:24:00,147 INFO L85 PathProgramCache]: Analyzing trace with hash 1177328342, now seen corresponding path program 1 times [2021-11-03 04:24:00,151 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:24:00,153 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1411298164] [2021-11-03 04:24:00,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:24:00,154 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:24:00,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73d7cf15-6b84-4fe6-b163-205e53bfb2ea/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:24:00,168 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73d7cf15-6b84-4fe6-b163-205e53bfb2ea/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:24:00,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73d7cf15-6b84-4fe6-b163-205e53bfb2ea/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-03 04:24:00,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:24:00,811 INFO L263 TraceCheckSpWp]: Trace formula consists of 310 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-03 04:24:00,815 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:24:01,104 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-03 04:24:01,104 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:24:01,381 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-03 04:24:01,382 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:24:01,382 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1411298164] [2021-11-03 04:24:01,382 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1411298164] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:24:01,382 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:24:01,383 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-03 04:24:01,383 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540686117] [2021-11-03 04:24:01,390 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 04:24:01,390 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:24:01,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 04:24:01,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-03 04:24:01,391 INFO L87 Difference]: Start difference. First operand 214 states and 254 transitions. Second operand has 4 states, 4 states have (on average 26.5) internal successors, (106), 4 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:24:01,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:24:01,450 INFO L93 Difference]: Finished difference Result 393 states and 478 transitions. [2021-11-03 04:24:01,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 04:24:01,452 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 26.5) internal successors, (106), 4 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2021-11-03 04:24:01,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:24:01,455 INFO L225 Difference]: With dead ends: 393 [2021-11-03 04:24:01,455 INFO L226 Difference]: Without dead ends: 220 [2021-11-03 04:24:01,456 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 232 GetRequests, 230 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-03 04:24:01,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2021-11-03 04:24:01,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 220. [2021-11-03 04:24:01,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 220 states, 210 states have (on average 1.2380952380952381) internal successors, (260), 219 states have internal predecessors, (260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:24:01,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 260 transitions. [2021-11-03 04:24:01,468 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 260 transitions. Word has length 117 [2021-11-03 04:24:01,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:24:01,470 INFO L470 AbstractCegarLoop]: Abstraction has 220 states and 260 transitions. [2021-11-03 04:24:01,474 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 26.5) internal successors, (106), 4 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:24:01,474 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 260 transitions. [2021-11-03 04:24:01,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-11-03 04:24:01,475 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:24:01,475 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:24:01,499 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73d7cf15-6b84-4fe6-b163-205e53bfb2ea/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-03 04:24:01,696 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73d7cf15-6b84-4fe6-b163-205e53bfb2ea/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:24:01,697 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 7 more)] === [2021-11-03 04:24:01,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:24:01,699 INFO L85 PathProgramCache]: Analyzing trace with hash 1351948363, now seen corresponding path program 1 times [2021-11-03 04:24:01,703 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:24:01,704 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1331162953] [2021-11-03 04:24:01,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:24:01,705 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:24:01,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73d7cf15-6b84-4fe6-b163-205e53bfb2ea/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:24:01,710 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73d7cf15-6b84-4fe6-b163-205e53bfb2ea/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:24:01,761 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73d7cf15-6b84-4fe6-b163-205e53bfb2ea/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-03 04:24:02,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:24:02,373 INFO L263 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-03 04:24:02,375 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:24:02,713 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 37 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-03 04:24:02,713 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:24:03,103 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 37 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-03 04:24:03,104 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:24:03,104 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1331162953] [2021-11-03 04:24:03,104 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1331162953] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 04:24:03,104 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [867059593] [2021-11-03 04:24:03,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:24:03,104 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-03 04:24:03,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73d7cf15-6b84-4fe6-b163-205e53bfb2ea/bin/utaipan-aC7eJsxGYH/cvc4 [2021-11-03 04:24:03,110 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73d7cf15-6b84-4fe6-b163-205e53bfb2ea/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-03 04:24:03,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73d7cf15-6b84-4fe6-b163-205e53bfb2ea/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2021-11-03 04:24:04,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:24:04,037 INFO L263 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-03 04:24:04,040 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:24:04,330 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 37 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-03 04:24:04,330 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:24:04,606 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 37 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-03 04:24:04,606 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [867059593] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 04:24:04,606 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1593713083] [2021-11-03 04:24:04,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:24:04,606 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 04:24:04,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73d7cf15-6b84-4fe6-b163-205e53bfb2ea/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 04:24:04,608 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73d7cf15-6b84-4fe6-b163-205e53bfb2ea/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 04:24:04,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73d7cf15-6b84-4fe6-b163-205e53bfb2ea/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-11-03 04:24:05,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:24:05,304 INFO L263 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 04:24:05,306 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:24:05,773 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-03 04:24:05,774 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:24:06,247 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-03 04:24:06,247 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1593713083] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 04:24:06,247 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2021-11-03 04:24:06,248 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 14 [2021-11-03 04:24:06,248 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788869502] [2021-11-03 04:24:06,249 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-03 04:24:06,249 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:24:06,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-03 04:24:06,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2021-11-03 04:24:06,250 INFO L87 Difference]: Start difference. First operand 220 states and 260 transitions. Second operand has 14 states, 14 states have (on average 24.071428571428573) internal successors, (337), 14 states have internal predecessors, (337), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:24:09,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:24:09,711 INFO L93 Difference]: Finished difference Result 781 states and 960 transitions. [2021-11-03 04:24:09,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-11-03 04:24:09,712 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 24.071428571428573) internal successors, (337), 14 states have internal predecessors, (337), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-11-03 04:24:09,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:24:09,715 INFO L225 Difference]: With dead ends: 781 [2021-11-03 04:24:09,715 INFO L226 Difference]: Without dead ends: 604 [2021-11-03 04:24:09,717 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 754 GetRequests, 704 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 751 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=689, Invalid=1963, Unknown=0, NotChecked=0, Total=2652 [2021-11-03 04:24:09,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 604 states. [2021-11-03 04:24:09,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 604 to 604. [2021-11-03 04:24:09,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 604 states, 594 states have (on average 1.1851851851851851) internal successors, (704), 603 states have internal predecessors, (704), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:24:09,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 604 states and 704 transitions. [2021-11-03 04:24:09,742 INFO L78 Accepts]: Start accepts. Automaton has 604 states and 704 transitions. Word has length 120 [2021-11-03 04:24:09,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:24:09,742 INFO L470 AbstractCegarLoop]: Abstraction has 604 states and 704 transitions. [2021-11-03 04:24:09,743 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 24.071428571428573) internal successors, (337), 14 states have internal predecessors, (337), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:24:09,743 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states and 704 transitions. [2021-11-03 04:24:09,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2021-11-03 04:24:09,747 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:24:09,748 INFO L513 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:24:09,770 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73d7cf15-6b84-4fe6-b163-205e53bfb2ea/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-03 04:24:10,028 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73d7cf15-6b84-4fe6-b163-205e53bfb2ea/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-11-03 04:24:10,180 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73d7cf15-6b84-4fe6-b163-205e53bfb2ea/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2021-11-03 04:24:10,367 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73d7cf15-6b84-4fe6-b163-205e53bfb2ea/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73d7cf15-6b84-4fe6-b163-205e53bfb2ea/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73d7cf15-6b84-4fe6-b163-205e53bfb2ea/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt [2021-11-03 04:24:10,369 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 7 more)] === [2021-11-03 04:24:10,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:24:10,370 INFO L85 PathProgramCache]: Analyzing trace with hash -574302741, now seen corresponding path program 2 times [2021-11-03 04:24:10,376 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:24:10,376 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1802591673] [2021-11-03 04:24:10,377 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-03 04:24:10,378 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:24:10,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73d7cf15-6b84-4fe6-b163-205e53bfb2ea/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:24:10,382 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73d7cf15-6b84-4fe6-b163-205e53bfb2ea/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:24:10,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73d7cf15-6b84-4fe6-b163-205e53bfb2ea/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-11-03 04:24:11,513 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-03 04:24:11,513 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-03 04:24:11,580 INFO L263 TraceCheckSpWp]: Trace formula consists of 791 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-03 04:24:11,591 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:24:12,483 INFO L134 CoverageAnalysis]: Checked inductivity of 788 backedges. 181 proven. 21 refuted. 0 times theorem prover too weak. 586 trivial. 0 not checked. [2021-11-03 04:24:12,483 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:24:13,550 INFO L134 CoverageAnalysis]: Checked inductivity of 788 backedges. 181 proven. 21 refuted. 0 times theorem prover too weak. 586 trivial. 0 not checked. [2021-11-03 04:24:13,550 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:24:13,551 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1802591673] [2021-11-03 04:24:13,551 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1802591673] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 04:24:13,551 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1583375336] [2021-11-03 04:24:13,552 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-03 04:24:13,552 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-03 04:24:13,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73d7cf15-6b84-4fe6-b163-205e53bfb2ea/bin/utaipan-aC7eJsxGYH/cvc4 [2021-11-03 04:24:13,553 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73d7cf15-6b84-4fe6-b163-205e53bfb2ea/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-03 04:24:13,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73d7cf15-6b84-4fe6-b163-205e53bfb2ea/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2021-11-03 04:24:15,190 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-03 04:24:15,190 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-03 04:24:15,230 INFO L263 TraceCheckSpWp]: Trace formula consists of 791 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-03 04:24:15,237 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:24:15,909 INFO L134 CoverageAnalysis]: Checked inductivity of 788 backedges. 181 proven. 21 refuted. 0 times theorem prover too weak. 586 trivial. 0 not checked. [2021-11-03 04:24:15,909 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:24:16,673 INFO L134 CoverageAnalysis]: Checked inductivity of 788 backedges. 181 proven. 21 refuted. 0 times theorem prover too weak. 586 trivial. 0 not checked. [2021-11-03 04:24:16,673 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1583375336] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 04:24:16,673 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [889384756] [2021-11-03 04:24:16,673 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-03 04:24:16,674 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 04:24:16,674 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73d7cf15-6b84-4fe6-b163-205e53bfb2ea/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 04:24:16,675 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73d7cf15-6b84-4fe6-b163-205e53bfb2ea/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 04:24:16,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73d7cf15-6b84-4fe6-b163-205e53bfb2ea/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-11-03 04:24:18,051 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-03 04:24:18,051 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-03 04:24:18,118 INFO L263 TraceCheckSpWp]: Trace formula consists of 791 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-03 04:24:18,134 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:24:19,042 INFO L134 CoverageAnalysis]: Checked inductivity of 788 backedges. 181 proven. 6 refuted. 0 times theorem prover too weak. 601 trivial. 0 not checked. [2021-11-03 04:24:19,042 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:24:20,031 INFO L134 CoverageAnalysis]: Checked inductivity of 788 backedges. 181 proven. 6 refuted. 0 times theorem prover too weak. 601 trivial. 0 not checked. [2021-11-03 04:24:20,031 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [889384756] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 04:24:20,031 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2021-11-03 04:24:20,032 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9, 9, 6, 6] total 23 [2021-11-03 04:24:20,032 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116674199] [2021-11-03 04:24:20,033 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2021-11-03 04:24:20,033 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:24:20,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-11-03 04:24:20,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=156, Invalid=350, Unknown=0, NotChecked=0, Total=506 [2021-11-03 04:24:20,034 INFO L87 Difference]: Start difference. First operand 604 states and 704 transitions. Second operand has 23 states, 23 states have (on average 5.782608695652174) internal successors, (133), 23 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:24:22,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:24:22,682 INFO L93 Difference]: Finished difference Result 1733 states and 2131 transitions. [2021-11-03 04:24:22,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-03 04:24:22,684 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 5.782608695652174) internal successors, (133), 23 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 330 [2021-11-03 04:24:22,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:24:22,692 INFO L225 Difference]: With dead ends: 1733 [2021-11-03 04:24:22,693 INFO L226 Difference]: Without dead ends: 1176 [2021-11-03 04:24:22,694 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 1988 GetRequests, 1960 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 100 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=311, Invalid=559, Unknown=0, NotChecked=0, Total=870 [2021-11-03 04:24:22,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1176 states. [2021-11-03 04:24:22,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1176 to 724. [2021-11-03 04:24:22,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 724 states, 714 states have (on average 1.1624649859943978) internal successors, (830), 723 states have internal predecessors, (830), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:24:22,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 724 states to 724 states and 830 transitions. [2021-11-03 04:24:22,741 INFO L78 Accepts]: Start accepts. Automaton has 724 states and 830 transitions. Word has length 330 [2021-11-03 04:24:22,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:24:22,741 INFO L470 AbstractCegarLoop]: Abstraction has 724 states and 830 transitions. [2021-11-03 04:24:22,742 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 5.782608695652174) internal successors, (133), 23 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:24:22,742 INFO L276 IsEmpty]: Start isEmpty. Operand 724 states and 830 transitions. [2021-11-03 04:24:22,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2021-11-03 04:24:22,748 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:24:22,748 INFO L513 BasicCegarLoop]: trace histogram [14, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:24:22,816 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73d7cf15-6b84-4fe6-b163-205e53bfb2ea/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2021-11-03 04:24:23,018 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73d7cf15-6b84-4fe6-b163-205e53bfb2ea/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-11-03 04:24:23,185 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73d7cf15-6b84-4fe6-b163-205e53bfb2ea/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt (12)] Forceful destruction successful, exit code 0 [2021-11-03 04:24:23,363 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73d7cf15-6b84-4fe6-b163-205e53bfb2ea/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73d7cf15-6b84-4fe6-b163-205e53bfb2ea/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73d7cf15-6b84-4fe6-b163-205e53bfb2ea/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt [2021-11-03 04:24:23,364 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 7 more)] === [2021-11-03 04:24:23,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:24:23,366 INFO L85 PathProgramCache]: Analyzing trace with hash 890409067, now seen corresponding path program 3 times [2021-11-03 04:24:23,371 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:24:23,372 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1145870019] [2021-11-03 04:24:23,372 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-03 04:24:23,373 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:24:23,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73d7cf15-6b84-4fe6-b163-205e53bfb2ea/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:24:23,375 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73d7cf15-6b84-4fe6-b163-205e53bfb2ea/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:24:23,380 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73d7cf15-6b84-4fe6-b163-205e53bfb2ea/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process