./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/pthread-memsafety/list1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cf700-e49f-4c93-9892-590e0983acc2/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cf700-e49f-4c93-9892-590e0983acc2/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cf700-e49f-4c93-9892-590e0983acc2/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cf700-e49f-4c93-9892-590e0983acc2/bin/utaipan-q2qaUkNPG8/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-memsafety/list1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cf700-e49f-4c93-9892-590e0983acc2/bin/utaipan-q2qaUkNPG8/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cf700-e49f-4c93-9892-590e0983acc2/bin/utaipan-q2qaUkNPG8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e41652bc5d5e6ecf5f01d273023c8e2664e3cb5e ............................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cf700-e49f-4c93-9892-590e0983acc2/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cf700-e49f-4c93-9892-590e0983acc2/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cf700-e49f-4c93-9892-590e0983acc2/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cf700-e49f-4c93-9892-590e0983acc2/bin/utaipan-q2qaUkNPG8/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-memsafety/list1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cf700-e49f-4c93-9892-590e0983acc2/bin/utaipan-q2qaUkNPG8/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cf700-e49f-4c93-9892-590e0983acc2/bin/utaipan-q2qaUkNPG8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e41652bc5d5e6ecf5f01d273023c8e2664e3cb5e ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 07:20:25,235 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 07:20:25,236 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 07:20:25,285 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 07:20:25,286 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 07:20:25,290 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 07:20:25,292 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 07:20:25,296 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 07:20:25,299 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 07:20:25,306 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 07:20:25,308 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 07:20:25,310 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 07:20:25,310 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 07:20:25,313 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 07:20:25,316 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 07:20:25,322 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 07:20:25,324 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 07:20:25,325 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 07:20:25,328 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 07:20:25,337 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 07:20:25,339 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 07:20:25,340 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 07:20:25,345 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 07:20:25,346 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 07:20:25,354 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 07:20:25,355 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 07:20:25,355 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 07:20:25,358 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 07:20:25,359 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 07:20:25,360 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 07:20:25,361 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 07:20:25,362 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 07:20:25,364 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 07:20:25,366 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 07:20:25,367 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 07:20:25,367 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 07:20:25,369 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 07:20:25,369 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 07:20:25,369 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 07:20:25,370 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 07:20:25,371 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 07:20:25,372 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cf700-e49f-4c93-9892-590e0983acc2/bin/utaipan-q2qaUkNPG8/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2021-10-13 07:20:25,422 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 07:20:25,424 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 07:20:25,425 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 07:20:25,432 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 07:20:25,433 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 07:20:25,433 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 07:20:25,433 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-13 07:20:25,433 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 07:20:25,434 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 07:20:25,434 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-13 07:20:25,435 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-13 07:20:25,435 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 07:20:25,435 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-13 07:20:25,436 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-13 07:20:25,436 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-13 07:20:25,437 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 07:20:25,437 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 07:20:25,437 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 07:20:25,437 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 07:20:25,438 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 07:20:25,438 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 07:20:25,438 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 07:20:25,438 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 07:20:25,439 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-13 07:20:25,439 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-13 07:20:25,439 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-13 07:20:25,441 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 07:20:25,441 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 07:20:25,441 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 07:20:25,441 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 07:20:25,442 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 07:20:25,442 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 07:20:25,442 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:20:25,443 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 07:20:25,443 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 07:20:25,443 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-13 07:20:25,443 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 07:20:25,443 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 07:20:25,444 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 07:20:25,444 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_219cf700-e49f-4c93-9892-590e0983acc2/bin/utaipan-q2qaUkNPG8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cf700-e49f-4c93-9892-590e0983acc2/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e41652bc5d5e6ecf5f01d273023c8e2664e3cb5e [2021-10-13 07:20:25,760 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 07:20:25,784 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 07:20:25,787 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 07:20:25,788 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 07:20:25,789 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 07:20:25,790 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cf700-e49f-4c93-9892-590e0983acc2/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/pthread-memsafety/list1.i [2021-10-13 07:20:25,886 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cf700-e49f-4c93-9892-590e0983acc2/bin/utaipan-q2qaUkNPG8/data/58ffff30d/74a7fbea537340dbbb89167b5af6dba1/FLAG6893e332d [2021-10-13 07:20:26,487 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 07:20:26,488 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cf700-e49f-4c93-9892-590e0983acc2/sv-benchmarks/c/pthread-memsafety/list1.i [2021-10-13 07:20:26,504 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cf700-e49f-4c93-9892-590e0983acc2/bin/utaipan-q2qaUkNPG8/data/58ffff30d/74a7fbea537340dbbb89167b5af6dba1/FLAG6893e332d [2021-10-13 07:20:26,735 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cf700-e49f-4c93-9892-590e0983acc2/bin/utaipan-q2qaUkNPG8/data/58ffff30d/74a7fbea537340dbbb89167b5af6dba1 [2021-10-13 07:20:26,737 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 07:20:26,738 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 07:20:26,742 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 07:20:26,742 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 07:20:26,746 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 07:20:26,746 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:20:26" (1/1) ... [2021-10-13 07:20:26,748 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ef71056 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:20:26, skipping insertion in model container [2021-10-13 07:20:26,748 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:20:26" (1/1) ... [2021-10-13 07:20:26,758 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 07:20:26,812 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:20:27,307 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:20:27,317 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) [2021-10-13 07:20:27,317 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5e940c79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:20:27, skipping insertion in model container [2021-10-13 07:20:27,318 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 07:20:27,318 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-13 07:20:27,320 INFO L168 Benchmark]: Toolchain (without parser) took 581.04 ms. Allocated memory is still 111.1 MB. Free memory was 75.6 MB in the beginning and 82.2 MB in the end (delta: -6.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 07:20:27,321 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 81.8 MB. Free memory is still 37.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:20:27,322 INFO L168 Benchmark]: CACSL2BoogieTranslator took 576.16 ms. Allocated memory is still 111.1 MB. Free memory was 75.6 MB in the beginning and 82.2 MB in the end (delta: -6.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 07:20:27,324 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 81.8 MB. Free memory is still 37.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 576.16 ms. Allocated memory is still 111.1 MB. Free memory was 75.6 MB in the beginning and 82.2 MB in the end (delta: -6.6 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: 1048]: 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... ### Bit-precise run ### This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 07:20:29,547 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 07:20:29,549 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 07:20:29,588 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 07:20:29,588 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 07:20:29,593 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 07:20:29,597 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 07:20:29,606 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 07:20:29,610 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 07:20:29,618 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 07:20:29,620 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 07:20:29,622 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 07:20:29,622 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 07:20:29,624 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 07:20:29,625 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 07:20:29,627 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 07:20:29,628 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 07:20:29,630 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 07:20:29,632 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 07:20:29,635 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 07:20:29,637 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 07:20:29,639 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 07:20:29,641 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 07:20:29,642 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 07:20:29,646 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 07:20:29,647 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 07:20:29,647 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 07:20:29,649 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 07:20:29,649 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 07:20:29,651 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 07:20:29,651 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 07:20:29,652 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 07:20:29,653 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 07:20:29,654 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 07:20:29,656 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 07:20:29,656 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 07:20:29,657 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 07:20:29,657 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 07:20:29,658 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 07:20:29,659 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 07:20:29,660 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 07:20:29,661 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cf700-e49f-4c93-9892-590e0983acc2/bin/utaipan-q2qaUkNPG8/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2021-10-13 07:20:29,691 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 07:20:29,691 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 07:20:29,692 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 07:20:29,693 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 07:20:29,693 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 07:20:29,693 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 07:20:29,694 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 07:20:29,694 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 07:20:29,695 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 07:20:29,697 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 07:20:29,698 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 07:20:29,698 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 07:20:29,698 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 07:20:29,699 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 07:20:29,699 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 07:20:29,699 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 07:20:29,700 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 07:20:29,700 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-13 07:20:29,700 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-13 07:20:29,700 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-13 07:20:29,701 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 07:20:29,701 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 07:20:29,701 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-13 07:20:29,701 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-13 07:20:29,702 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 07:20:29,702 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 07:20:29,702 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 07:20:29,702 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 07:20:29,703 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 07:20:29,703 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:20:29,703 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 07:20:29,704 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 07:20:29,704 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-13 07:20:29,705 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-13 07:20:29,705 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 07:20:29,705 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 07:20:29,706 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_219cf700-e49f-4c93-9892-590e0983acc2/bin/utaipan-q2qaUkNPG8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cf700-e49f-4c93-9892-590e0983acc2/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e41652bc5d5e6ecf5f01d273023c8e2664e3cb5e [2021-10-13 07:20:30,124 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 07:20:30,164 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 07:20:30,167 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 07:20:30,169 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 07:20:30,170 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 07:20:30,171 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cf700-e49f-4c93-9892-590e0983acc2/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/pthread-memsafety/list1.i [2021-10-13 07:20:30,236 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cf700-e49f-4c93-9892-590e0983acc2/bin/utaipan-q2qaUkNPG8/data/85db72aeb/1b8888a1119540fea399cfc2859a4f0a/FLAG962575ef7 [2021-10-13 07:20:30,849 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 07:20:30,850 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cf700-e49f-4c93-9892-590e0983acc2/sv-benchmarks/c/pthread-memsafety/list1.i [2021-10-13 07:20:30,879 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cf700-e49f-4c93-9892-590e0983acc2/bin/utaipan-q2qaUkNPG8/data/85db72aeb/1b8888a1119540fea399cfc2859a4f0a/FLAG962575ef7 [2021-10-13 07:20:31,117 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cf700-e49f-4c93-9892-590e0983acc2/bin/utaipan-q2qaUkNPG8/data/85db72aeb/1b8888a1119540fea399cfc2859a4f0a [2021-10-13 07:20:31,120 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 07:20:31,121 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 07:20:31,123 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 07:20:31,123 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 07:20:31,130 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 07:20:31,131 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:20:31" (1/1) ... [2021-10-13 07:20:31,134 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37ae9d39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:20:31, skipping insertion in model container [2021-10-13 07:20:31,135 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:20:31" (1/1) ... [2021-10-13 07:20:31,143 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 07:20:31,213 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:20:31,855 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:20:31,879 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-13 07:20:31,897 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:20:31,948 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:20:31,958 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 07:20:32,019 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:20:32,119 INFO L208 MainTranslator]: Completed translation [2021-10-13 07:20:32,120 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:20:32 WrapperNode [2021-10-13 07:20:32,120 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 07:20:32,121 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 07:20:32,122 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 07:20:32,122 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 07:20:32,130 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:20:32" (1/1) ... [2021-10-13 07:20:32,181 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:20:32" (1/1) ... [2021-10-13 07:20:32,230 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 07:20:32,231 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 07:20:32,231 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 07:20:32,231 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 07:20:32,241 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:20:32" (1/1) ... [2021-10-13 07:20:32,241 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:20:32" (1/1) ... [2021-10-13 07:20:32,257 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:20:32" (1/1) ... [2021-10-13 07:20:32,257 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:20:32" (1/1) ... [2021-10-13 07:20:32,275 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:20:32" (1/1) ... [2021-10-13 07:20:32,290 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:20:32" (1/1) ... [2021-10-13 07:20:32,293 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:20:32" (1/1) ... [2021-10-13 07:20:32,306 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 07:20:32,308 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 07:20:32,308 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 07:20:32,308 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 07:20:32,309 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:20:32" (1/1) ... [2021-10-13 07:20:32,322 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:20:32,334 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cf700-e49f-4c93-9892-590e0983acc2/bin/utaipan-q2qaUkNPG8/z3 [2021-10-13 07:20:32,351 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cf700-e49f-4c93-9892-590e0983acc2/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 07:20:32,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cf700-e49f-4c93-9892-590e0983acc2/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 07:20:32,406 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-13 07:20:32,406 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 07:20:32,406 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-13 07:20:32,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-13 07:20:32,407 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-13 07:20:32,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-10-13 07:20:32,407 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-13 07:20:32,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-13 07:20:32,408 INFO L130 BoogieDeclarations]: Found specification of procedure delete [2021-10-13 07:20:32,408 INFO L138 BoogieDeclarations]: Found implementation of procedure delete [2021-10-13 07:20:32,408 INFO L130 BoogieDeclarations]: Found specification of procedure build [2021-10-13 07:20:32,409 INFO L138 BoogieDeclarations]: Found implementation of procedure build [2021-10-13 07:20:32,409 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 07:20:32,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 07:20:32,411 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-13 07:20:33,085 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 07:20:33,085 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-10-13 07:20:33,087 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:20:33 BoogieIcfgContainer [2021-10-13 07:20:33,088 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 07:20:33,090 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 07:20:33,090 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 07:20:33,093 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 07:20:33,093 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:20:31" (1/3) ... [2021-10-13 07:20:33,094 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78a7160b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:20:33, skipping insertion in model container [2021-10-13 07:20:33,094 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:20:32" (2/3) ... [2021-10-13 07:20:33,095 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78a7160b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:20:33, skipping insertion in model container [2021-10-13 07:20:33,095 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:20:33" (3/3) ... [2021-10-13 07:20:33,096 INFO L111 eAbstractionObserver]: Analyzing ICFG list1.i [2021-10-13 07:20:33,102 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 07:20:33,103 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 38 error locations. [2021-10-13 07:20:33,103 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-13 07:20:33,144 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_#in~plist.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,144 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_#in~plist.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,144 WARN L313 ript$VariableManager]: TermVariabe buildThread1of1ForFork0_~plist.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,145 WARN L313 ript$VariableManager]: TermVariabe buildThread1of1ForFork0_~plist.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,145 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_#in~plist.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,145 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_#in~plist.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,145 WARN L313 ript$VariableManager]: TermVariabe buildThread1of1ForFork0_~plist.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,145 WARN L313 ript$VariableManager]: TermVariabe buildThread1of1ForFork0_~plist.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,146 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_~#list~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,146 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_~#list~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,146 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_~#list~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,146 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_~#list~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,147 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_~#list~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,147 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_~#list~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,147 WARN L313 ript$VariableManager]: TermVariabe buildThread1of1ForFork0_~plist.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,147 WARN L313 ript$VariableManager]: TermVariabe buildThread1of1ForFork0_~plist.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,148 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_~#list~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,148 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_~#list~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,148 WARN L313 ript$VariableManager]: TermVariabe buildThread1of1ForFork0_~plist.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,148 WARN L313 ript$VariableManager]: TermVariabe buildThread1of1ForFork0_~plist.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,148 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_~#list~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,149 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_~#list~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,149 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_append_#in~plist.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,149 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_append_#in~plist.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,149 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_~#list~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,149 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_~#list~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,150 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_append_#in~plist.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,150 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_append_#in~plist.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,150 WARN L313 ript$VariableManager]: TermVariabe buildThread1of1ForFork0_append_~elem~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,150 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_append_#t~ite8.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,150 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_append_#t~malloc2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,151 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_append_#t~mem4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,151 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_append_#t~malloc2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,151 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_append_#t~ite8.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,151 WARN L313 ript$VariableManager]: TermVariabe buildThread1of1ForFork0_append_~plist.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,151 WARN L313 ript$VariableManager]: TermVariabe buildThread1of1ForFork0_append_~elem~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,152 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_append_#t~mem3.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,152 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_append_#t~mem4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,152 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_append_#t~mem6.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,152 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_append_#t~mem5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,152 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_append_#t~mem5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,153 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_append_#t~malloc7.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,153 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_append_#t~mem6.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,153 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_append_#t~mem3.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,153 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_append_#t~malloc7.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,153 WARN L313 ript$VariableManager]: TermVariabe buildThread1of1ForFork0_append_~plist.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,154 WARN L313 ript$VariableManager]: TermVariabe buildThread1of1ForFork0_append_~elem~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,154 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_append_#t~ite8.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,154 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_append_#t~malloc2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,154 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_append_#t~mem4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,154 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_append_#t~malloc2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,154 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_append_#t~ite8.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,155 WARN L313 ript$VariableManager]: TermVariabe buildThread1of1ForFork0_append_~plist.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,155 WARN L313 ript$VariableManager]: TermVariabe buildThread1of1ForFork0_append_~elem~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,156 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_append_#t~mem3.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,156 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_append_#t~mem4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,157 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_append_#t~mem6.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,157 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_append_#t~mem5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,157 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_append_#t~mem5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,157 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_append_#t~malloc7.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,157 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_append_#t~mem6.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,157 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_append_#t~mem3.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,158 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_append_#t~malloc7.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,171 WARN L313 ript$VariableManager]: TermVariabe buildThread1of1ForFork0_append_~plist.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,172 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,172 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,172 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,172 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,172 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_append_#in~plist.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,173 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_append_#in~plist.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,173 WARN L313 ript$VariableManager]: TermVariabe buildThread1of1ForFork0_append_~plist.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,173 WARN L313 ript$VariableManager]: TermVariabe buildThread1of1ForFork0_append_~plist.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,173 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_append_#in~plist.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,173 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_append_#in~plist.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,174 WARN L313 ript$VariableManager]: TermVariabe buildThread1of1ForFork0_append_~plist.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,174 WARN L313 ript$VariableManager]: TermVariabe buildThread1of1ForFork0_append_~plist.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,174 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_append_#t~malloc2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,174 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_append_#t~malloc2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,175 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_append_#t~malloc2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,175 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_append_#t~malloc2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,175 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_append_#t~malloc2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,176 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_append_#t~malloc2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,177 WARN L313 ript$VariableManager]: TermVariabe buildThread1of1ForFork0_append_~elem~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,179 WARN L313 ript$VariableManager]: TermVariabe buildThread1of1ForFork0_append_~elem~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,179 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_append_#t~malloc2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,179 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_append_#t~malloc2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,180 WARN L313 ript$VariableManager]: TermVariabe buildThread1of1ForFork0_append_~elem~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,181 WARN L313 ript$VariableManager]: TermVariabe buildThread1of1ForFork0_append_~elem~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,181 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_append_#t~malloc2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,181 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_append_#t~malloc2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,182 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_append_#t~malloc2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,182 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_append_#t~malloc2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,188 WARN L313 ript$VariableManager]: TermVariabe buildThread1of1ForFork0_append_~plist.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,188 WARN L313 ript$VariableManager]: TermVariabe buildThread1of1ForFork0_append_~plist.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,188 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_append_#t~mem3.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,188 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_append_#t~mem3.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,188 WARN L313 ript$VariableManager]: TermVariabe buildThread1of1ForFork0_append_~plist.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,189 WARN L313 ript$VariableManager]: TermVariabe buildThread1of1ForFork0_append_~plist.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,189 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_append_#t~mem3.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,189 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_append_#t~mem3.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,189 WARN L313 ript$VariableManager]: TermVariabe buildThread1of1ForFork0_append_~plist.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,189 WARN L313 ript$VariableManager]: TermVariabe buildThread1of1ForFork0_append_~plist.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,189 WARN L313 ript$VariableManager]: TermVariabe buildThread1of1ForFork0_append_~plist.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,190 WARN L313 ript$VariableManager]: TermVariabe buildThread1of1ForFork0_append_~plist.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,190 WARN L313 ript$VariableManager]: TermVariabe buildThread1of1ForFork0_append_~plist.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,190 WARN L313 ript$VariableManager]: TermVariabe buildThread1of1ForFork0_append_~plist.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,190 WARN L313 ript$VariableManager]: TermVariabe buildThread1of1ForFork0_append_~elem~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,190 WARN L313 ript$VariableManager]: TermVariabe buildThread1of1ForFork0_append_~elem~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,190 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_append_#t~mem3.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,191 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_append_#t~mem3.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,192 WARN L313 ript$VariableManager]: TermVariabe buildThread1of1ForFork0_append_~elem~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,192 WARN L313 ript$VariableManager]: TermVariabe buildThread1of1ForFork0_append_~elem~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,192 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_append_#t~mem3.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,192 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_append_#t~mem3.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,192 WARN L313 ript$VariableManager]: TermVariabe buildThread1of1ForFork0_append_~elem~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,193 WARN L313 ript$VariableManager]: TermVariabe buildThread1of1ForFork0_append_~elem~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,193 WARN L313 ript$VariableManager]: TermVariabe buildThread1of1ForFork0_append_~elem~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,193 WARN L313 ript$VariableManager]: TermVariabe buildThread1of1ForFork0_append_~elem~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,193 WARN L313 ript$VariableManager]: TermVariabe buildThread1of1ForFork0_append_~elem~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,193 WARN L313 ript$VariableManager]: TermVariabe buildThread1of1ForFork0_append_~elem~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,193 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_append_#t~mem3.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,194 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_append_#t~mem3.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,194 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_append_#t~mem3.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,194 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_append_#t~mem3.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,194 WARN L313 ript$VariableManager]: TermVariabe buildThread1of1ForFork0_append_~elem~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,194 WARN L313 ript$VariableManager]: TermVariabe buildThread1of1ForFork0_append_~elem~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,194 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_append_#t~mem4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,194 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_append_#t~mem4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,195 WARN L313 ript$VariableManager]: TermVariabe buildThread1of1ForFork0_append_~elem~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,195 WARN L313 ript$VariableManager]: TermVariabe buildThread1of1ForFork0_append_~elem~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,195 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_append_#t~mem4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,195 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_append_#t~mem4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,195 WARN L313 ript$VariableManager]: TermVariabe buildThread1of1ForFork0_append_~elem~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,195 WARN L313 ript$VariableManager]: TermVariabe buildThread1of1ForFork0_append_~elem~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,196 WARN L313 ript$VariableManager]: TermVariabe buildThread1of1ForFork0_append_~elem~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,196 WARN L313 ript$VariableManager]: TermVariabe buildThread1of1ForFork0_append_~elem~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,196 WARN L313 ript$VariableManager]: TermVariabe buildThread1of1ForFork0_append_~elem~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,196 WARN L313 ript$VariableManager]: TermVariabe buildThread1of1ForFork0_append_~elem~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,196 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_append_#t~mem4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,196 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_append_#t~mem4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,197 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_append_#t~mem4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,197 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_append_#t~mem4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,197 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_append_#t~mem4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,197 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_append_#t~mem4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,197 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_append_#t~mem4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,197 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_append_#t~mem4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,198 WARN L313 ript$VariableManager]: TermVariabe buildThread1of1ForFork0_append_~elem~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,198 WARN L313 ript$VariableManager]: TermVariabe buildThread1of1ForFork0_append_~elem~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,198 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_append_#t~mem5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,198 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_append_#t~mem5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,198 WARN L313 ript$VariableManager]: TermVariabe buildThread1of1ForFork0_append_~elem~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,198 WARN L313 ript$VariableManager]: TermVariabe buildThread1of1ForFork0_append_~elem~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,198 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_append_#t~mem5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,199 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_append_#t~mem5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,200 WARN L313 ript$VariableManager]: TermVariabe buildThread1of1ForFork0_append_~elem~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,200 WARN L313 ript$VariableManager]: TermVariabe buildThread1of1ForFork0_append_~elem~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,202 WARN L313 ript$VariableManager]: TermVariabe buildThread1of1ForFork0_append_~elem~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,202 WARN L313 ript$VariableManager]: TermVariabe buildThread1of1ForFork0_append_~elem~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,202 WARN L313 ript$VariableManager]: TermVariabe buildThread1of1ForFork0_append_~elem~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,203 WARN L313 ript$VariableManager]: TermVariabe buildThread1of1ForFork0_append_~elem~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,203 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_append_#t~malloc7.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,203 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_append_#t~malloc7.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,203 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_append_#t~malloc7.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,203 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_append_#t~malloc7.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,203 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_append_#t~mem5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,204 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_append_#t~mem5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,204 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_append_#t~mem6.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,204 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_append_#t~mem6.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,204 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_append_#t~mem5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,204 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_append_#t~mem5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,204 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_append_#t~mem6.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,204 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_append_#t~mem6.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,205 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_append_#t~mem5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,205 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_append_#t~mem5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,205 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_append_#t~mem5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,206 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_append_#t~mem5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,206 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_append_#t~mem5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,206 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_append_#t~mem5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,206 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_append_#t~malloc7.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,206 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_append_#t~malloc7.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,206 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_append_#t~ite8.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,207 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_append_#t~ite8.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,207 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_append_#t~malloc7.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,207 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_append_#t~malloc7.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,208 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_append_#t~ite8.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,208 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_append_#t~ite8.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,208 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_append_#t~mem6.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,208 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_append_#t~mem6.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,208 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_append_#t~ite8.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,208 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_append_#t~ite8.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,208 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_append_#t~mem6.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,209 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_append_#t~mem6.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,209 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_append_#t~ite8.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,209 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_append_#t~ite8.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,209 WARN L313 ript$VariableManager]: TermVariabe buildThread1of1ForFork0_append_~elem~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,209 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_append_#t~ite8.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,209 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_append_#t~ite8.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,209 WARN L313 ript$VariableManager]: TermVariabe buildThread1of1ForFork0_append_~elem~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,210 WARN L313 ript$VariableManager]: TermVariabe buildThread1of1ForFork0_append_~elem~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,210 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_append_#t~ite8.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,210 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_append_#t~ite8.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,210 WARN L313 ript$VariableManager]: TermVariabe buildThread1of1ForFork0_append_~elem~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,210 WARN L313 ript$VariableManager]: TermVariabe buildThread1of1ForFork0_append_~elem~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,210 WARN L313 ript$VariableManager]: TermVariabe buildThread1of1ForFork0_append_~elem~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,211 WARN L313 ript$VariableManager]: TermVariabe buildThread1of1ForFork0_append_~elem~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,211 WARN L313 ript$VariableManager]: TermVariabe buildThread1of1ForFork0_append_~elem~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,211 WARN L313 ript$VariableManager]: TermVariabe buildThread1of1ForFork0_append_~elem~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,211 WARN L313 ript$VariableManager]: TermVariabe buildThread1of1ForFork0_append_~elem~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,211 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_append_#t~mem4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,213 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_append_#t~mem4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,217 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_append_#t~mem4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,217 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_append_#t~mem4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,217 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_append_#t~ite8.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,218 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_append_#t~ite8.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,218 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_append_#t~ite8.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,218 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_append_#t~ite8.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,218 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_append_#t~mem5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,218 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_append_#t~mem5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,218 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_append_#t~mem5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,220 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_append_#t~mem5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,221 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_append_#t~mem6.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,221 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_append_#t~mem6.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,221 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_append_#t~mem6.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,221 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_append_#t~mem6.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,221 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_append_#t~malloc7.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,221 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_append_#t~malloc7.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,221 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_append_#t~malloc7.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,221 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_append_#t~malloc7.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,222 WARN L313 ript$VariableManager]: TermVariabe buildThread1of1ForFork0_append_~elem~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,222 WARN L313 ript$VariableManager]: TermVariabe buildThread1of1ForFork0_append_~elem~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,222 WARN L313 ript$VariableManager]: TermVariabe buildThread1of1ForFork0_append_~plist.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,222 WARN L313 ript$VariableManager]: TermVariabe buildThread1of1ForFork0_append_~plist.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,222 WARN L313 ript$VariableManager]: TermVariabe buildThread1of1ForFork0_append_~elem~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,222 WARN L313 ript$VariableManager]: TermVariabe buildThread1of1ForFork0_append_~elem~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,223 WARN L313 ript$VariableManager]: TermVariabe buildThread1of1ForFork0_append_~plist.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,223 WARN L313 ript$VariableManager]: TermVariabe buildThread1of1ForFork0_append_~plist.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,223 WARN L313 ript$VariableManager]: TermVariabe buildThread1of1ForFork0_append_~plist.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,223 WARN L313 ript$VariableManager]: TermVariabe buildThread1of1ForFork0_append_~plist.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,223 WARN L313 ript$VariableManager]: TermVariabe buildThread1of1ForFork0_append_~plist.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,223 WARN L313 ript$VariableManager]: TermVariabe buildThread1of1ForFork0_append_~plist.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,224 WARN L313 ript$VariableManager]: TermVariabe buildThread1of1ForFork0_append_~plist.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,224 WARN L313 ript$VariableManager]: TermVariabe buildThread1of1ForFork0_append_~plist.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,224 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,224 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,224 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,224 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,224 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,225 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,225 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,225 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,226 WARN L313 ript$VariableManager]: TermVariabe |deleteThread1of1ForFork1_#in~plist.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,227 WARN L313 ript$VariableManager]: TermVariabe |deleteThread1of1ForFork1_#in~plist.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,227 WARN L313 ript$VariableManager]: TermVariabe deleteThread1of1ForFork1_~plist.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,227 WARN L313 ript$VariableManager]: TermVariabe deleteThread1of1ForFork1_~plist.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,227 WARN L313 ript$VariableManager]: TermVariabe |deleteThread1of1ForFork1_#in~plist.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,228 WARN L313 ript$VariableManager]: TermVariabe |deleteThread1of1ForFork1_#in~plist.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,228 WARN L313 ript$VariableManager]: TermVariabe deleteThread1of1ForFork1_~plist.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,228 WARN L313 ript$VariableManager]: TermVariabe deleteThread1of1ForFork1_~plist.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,228 WARN L313 ript$VariableManager]: TermVariabe deleteThread1of1ForFork1_~plist.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,228 WARN L313 ript$VariableManager]: TermVariabe deleteThread1of1ForFork1_~plist.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,229 WARN L313 ript$VariableManager]: TermVariabe deleteThread1of1ForFork1_~list~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,229 WARN L313 ript$VariableManager]: TermVariabe deleteThread1of1ForFork1_~list~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,229 WARN L313 ript$VariableManager]: TermVariabe deleteThread1of1ForFork1_~plist.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,229 WARN L313 ript$VariableManager]: TermVariabe deleteThread1of1ForFork1_~plist.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,229 WARN L313 ript$VariableManager]: TermVariabe deleteThread1of1ForFork1_~list~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,229 WARN L313 ript$VariableManager]: TermVariabe deleteThread1of1ForFork1_~list~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,229 WARN L313 ript$VariableManager]: TermVariabe deleteThread1of1ForFork1_~list~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,230 WARN L313 ript$VariableManager]: TermVariabe deleteThread1of1ForFork1_~list~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,230 WARN L313 ript$VariableManager]: TermVariabe deleteThread1of1ForFork1_~list~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,230 WARN L313 ript$VariableManager]: TermVariabe deleteThread1of1ForFork1_~list~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,230 WARN L313 ript$VariableManager]: TermVariabe deleteThread1of1ForFork1_~list~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,230 WARN L313 ript$VariableManager]: TermVariabe deleteThread1of1ForFork1_~list~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,230 WARN L313 ript$VariableManager]: TermVariabe deleteThread1of1ForFork1_~list~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,230 WARN L313 ript$VariableManager]: TermVariabe deleteThread1of1ForFork1_~list~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,230 WARN L313 ript$VariableManager]: TermVariabe deleteThread1of1ForFork1_~list~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,231 WARN L313 ript$VariableManager]: TermVariabe deleteThread1of1ForFork1_~list~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,231 WARN L313 ript$VariableManager]: TermVariabe |deleteThread1of1ForFork1_#t~mem10.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,231 WARN L313 ript$VariableManager]: TermVariabe |deleteThread1of1ForFork1_#t~mem10.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,232 WARN L313 ript$VariableManager]: TermVariabe deleteThread1of1ForFork1_~list~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,232 WARN L313 ript$VariableManager]: TermVariabe deleteThread1of1ForFork1_~list~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,232 WARN L313 ript$VariableManager]: TermVariabe |deleteThread1of1ForFork1_#t~mem10.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,232 WARN L313 ript$VariableManager]: TermVariabe |deleteThread1of1ForFork1_#t~mem10.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,232 WARN L313 ript$VariableManager]: TermVariabe deleteThread1of1ForFork1_~list~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,232 WARN L313 ript$VariableManager]: TermVariabe deleteThread1of1ForFork1_~list~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,232 WARN L313 ript$VariableManager]: TermVariabe deleteThread1of1ForFork1_~list~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,233 WARN L313 ript$VariableManager]: TermVariabe deleteThread1of1ForFork1_~list~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,233 WARN L313 ript$VariableManager]: TermVariabe deleteThread1of1ForFork1_~list~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,233 WARN L313 ript$VariableManager]: TermVariabe deleteThread1of1ForFork1_~list~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,233 WARN L313 ript$VariableManager]: TermVariabe deleteThread1of1ForFork1_~list~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,234 WARN L313 ript$VariableManager]: TermVariabe deleteThread1of1ForFork1_~list~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,234 WARN L313 ript$VariableManager]: TermVariabe deleteThread1of1ForFork1_~list~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,234 WARN L313 ript$VariableManager]: TermVariabe deleteThread1of1ForFork1_~list~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,235 WARN L313 ript$VariableManager]: TermVariabe deleteThread1of1ForFork1_~list~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,235 WARN L313 ript$VariableManager]: TermVariabe deleteThread1of1ForFork1_~list~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,235 WARN L313 ript$VariableManager]: TermVariabe deleteThread1of1ForFork1_~list~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,235 WARN L313 ript$VariableManager]: TermVariabe deleteThread1of1ForFork1_~list~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,235 WARN L313 ript$VariableManager]: TermVariabe |deleteThread1of1ForFork1_#t~mem10.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,235 WARN L313 ript$VariableManager]: TermVariabe |deleteThread1of1ForFork1_#t~mem10.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,236 WARN L313 ript$VariableManager]: TermVariabe deleteThread1of1ForFork1_~next~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,236 WARN L313 ript$VariableManager]: TermVariabe deleteThread1of1ForFork1_~next~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,236 WARN L313 ript$VariableManager]: TermVariabe |deleteThread1of1ForFork1_#t~mem10.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,236 WARN L313 ript$VariableManager]: TermVariabe |deleteThread1of1ForFork1_#t~mem10.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,236 WARN L313 ript$VariableManager]: TermVariabe deleteThread1of1ForFork1_~next~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,236 WARN L313 ript$VariableManager]: TermVariabe deleteThread1of1ForFork1_~next~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,236 WARN L313 ript$VariableManager]: TermVariabe |deleteThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,236 WARN L313 ript$VariableManager]: TermVariabe |deleteThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,237 WARN L313 ript$VariableManager]: TermVariabe |deleteThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,237 WARN L313 ript$VariableManager]: TermVariabe |deleteThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,237 WARN L313 ript$VariableManager]: TermVariabe deleteThread1of1ForFork1_~list~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,237 WARN L313 ript$VariableManager]: TermVariabe deleteThread1of1ForFork1_~list~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,237 WARN L313 ript$VariableManager]: TermVariabe |deleteThread1of1ForFork1_#t~mem12.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,237 WARN L313 ript$VariableManager]: TermVariabe |deleteThread1of1ForFork1_#t~mem12.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,237 WARN L313 ript$VariableManager]: TermVariabe deleteThread1of1ForFork1_~list~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,238 WARN L313 ript$VariableManager]: TermVariabe deleteThread1of1ForFork1_~list~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,238 WARN L313 ript$VariableManager]: TermVariabe |deleteThread1of1ForFork1_#t~mem12.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,238 WARN L313 ript$VariableManager]: TermVariabe |deleteThread1of1ForFork1_#t~mem12.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,238 WARN L313 ript$VariableManager]: TermVariabe deleteThread1of1ForFork1_~list~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,238 WARN L313 ript$VariableManager]: TermVariabe deleteThread1of1ForFork1_~list~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,238 WARN L313 ript$VariableManager]: TermVariabe deleteThread1of1ForFork1_~list~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,238 WARN L313 ript$VariableManager]: TermVariabe deleteThread1of1ForFork1_~list~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,239 WARN L313 ript$VariableManager]: TermVariabe deleteThread1of1ForFork1_~list~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,239 WARN L313 ript$VariableManager]: TermVariabe deleteThread1of1ForFork1_~list~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,239 WARN L313 ript$VariableManager]: TermVariabe |deleteThread1of1ForFork1_#t~mem10.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,239 WARN L313 ript$VariableManager]: TermVariabe |deleteThread1of1ForFork1_#t~mem10.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,239 WARN L313 ript$VariableManager]: TermVariabe |deleteThread1of1ForFork1_#t~mem10.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,239 WARN L313 ript$VariableManager]: TermVariabe |deleteThread1of1ForFork1_#t~mem10.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,242 WARN L313 ript$VariableManager]: TermVariabe |deleteThread1of1ForFork1_#t~mem12.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,242 WARN L313 ript$VariableManager]: TermVariabe |deleteThread1of1ForFork1_#t~mem12.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,242 WARN L313 ript$VariableManager]: TermVariabe deleteThread1of1ForFork1_~next~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,242 WARN L313 ript$VariableManager]: TermVariabe deleteThread1of1ForFork1_~next~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,243 WARN L313 ript$VariableManager]: TermVariabe |deleteThread1of1ForFork1_#t~mem12.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,243 WARN L313 ript$VariableManager]: TermVariabe |deleteThread1of1ForFork1_#t~mem12.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,243 WARN L313 ript$VariableManager]: TermVariabe deleteThread1of1ForFork1_~next~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,243 WARN L313 ript$VariableManager]: TermVariabe deleteThread1of1ForFork1_~next~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,243 WARN L313 ript$VariableManager]: TermVariabe deleteThread1of1ForFork1_~list~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,243 WARN L313 ript$VariableManager]: TermVariabe deleteThread1of1ForFork1_~list~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,243 WARN L313 ript$VariableManager]: TermVariabe |deleteThread1of1ForFork1_#t~mem11.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,243 WARN L313 ript$VariableManager]: TermVariabe |deleteThread1of1ForFork1_#t~mem11.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,244 WARN L313 ript$VariableManager]: TermVariabe deleteThread1of1ForFork1_~list~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,244 WARN L313 ript$VariableManager]: TermVariabe deleteThread1of1ForFork1_~list~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,244 WARN L313 ript$VariableManager]: TermVariabe |deleteThread1of1ForFork1_#t~mem11.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,248 WARN L313 ript$VariableManager]: TermVariabe |deleteThread1of1ForFork1_#t~mem11.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,248 WARN L313 ript$VariableManager]: TermVariabe deleteThread1of1ForFork1_~list~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,248 WARN L313 ript$VariableManager]: TermVariabe deleteThread1of1ForFork1_~list~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,248 WARN L313 ript$VariableManager]: TermVariabe deleteThread1of1ForFork1_~list~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,249 WARN L313 ript$VariableManager]: TermVariabe deleteThread1of1ForFork1_~list~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,249 WARN L313 ript$VariableManager]: TermVariabe deleteThread1of1ForFork1_~list~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,249 WARN L313 ript$VariableManager]: TermVariabe deleteThread1of1ForFork1_~list~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,249 WARN L313 ript$VariableManager]: TermVariabe |deleteThread1of1ForFork1_#t~mem12.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,249 WARN L313 ript$VariableManager]: TermVariabe |deleteThread1of1ForFork1_#t~mem12.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,249 WARN L313 ript$VariableManager]: TermVariabe |deleteThread1of1ForFork1_#t~mem12.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,249 WARN L313 ript$VariableManager]: TermVariabe |deleteThread1of1ForFork1_#t~mem12.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,250 WARN L313 ript$VariableManager]: TermVariabe |deleteThread1of1ForFork1_#t~mem11.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,250 WARN L313 ript$VariableManager]: TermVariabe |deleteThread1of1ForFork1_#t~mem11.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,250 WARN L313 ript$VariableManager]: TermVariabe |deleteThread1of1ForFork1_#t~mem11.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,250 WARN L313 ript$VariableManager]: TermVariabe |deleteThread1of1ForFork1_#t~mem11.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,250 WARN L313 ript$VariableManager]: TermVariabe deleteThread1of1ForFork1_~list~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,250 WARN L313 ript$VariableManager]: TermVariabe deleteThread1of1ForFork1_~list~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,250 WARN L313 ript$VariableManager]: TermVariabe deleteThread1of1ForFork1_~list~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,251 WARN L313 ript$VariableManager]: TermVariabe deleteThread1of1ForFork1_~list~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,251 WARN L313 ript$VariableManager]: TermVariabe |deleteThread1of1ForFork1_#t~mem11.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,251 WARN L313 ript$VariableManager]: TermVariabe |deleteThread1of1ForFork1_#t~mem11.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,251 WARN L313 ript$VariableManager]: TermVariabe |deleteThread1of1ForFork1_#t~mem11.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,251 WARN L313 ript$VariableManager]: TermVariabe |deleteThread1of1ForFork1_#t~mem11.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,251 WARN L313 ript$VariableManager]: TermVariabe deleteThread1of1ForFork1_~list~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,252 WARN L313 ript$VariableManager]: TermVariabe deleteThread1of1ForFork1_~list~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,252 WARN L313 ript$VariableManager]: TermVariabe deleteThread1of1ForFork1_~list~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,252 WARN L313 ript$VariableManager]: TermVariabe deleteThread1of1ForFork1_~list~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,252 WARN L313 ript$VariableManager]: TermVariabe |deleteThread1of1ForFork1_#t~mem11.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,252 WARN L313 ript$VariableManager]: TermVariabe |deleteThread1of1ForFork1_#t~mem11.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,252 WARN L313 ript$VariableManager]: TermVariabe |deleteThread1of1ForFork1_#t~mem11.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,252 WARN L313 ript$VariableManager]: TermVariabe |deleteThread1of1ForFork1_#t~mem11.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,253 WARN L313 ript$VariableManager]: TermVariabe deleteThread1of1ForFork1_~list~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,253 WARN L313 ript$VariableManager]: TermVariabe deleteThread1of1ForFork1_~list~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,253 WARN L313 ript$VariableManager]: TermVariabe deleteThread1of1ForFork1_~list~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,253 WARN L313 ript$VariableManager]: TermVariabe deleteThread1of1ForFork1_~list~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,253 WARN L313 ript$VariableManager]: TermVariabe |deleteThread1of1ForFork1_#t~mem11.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,253 WARN L313 ript$VariableManager]: TermVariabe |deleteThread1of1ForFork1_#t~mem11.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,254 WARN L313 ript$VariableManager]: TermVariabe deleteThread1of1ForFork1_~list~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,254 WARN L313 ript$VariableManager]: TermVariabe deleteThread1of1ForFork1_~list~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,254 WARN L313 ript$VariableManager]: TermVariabe |deleteThread1of1ForFork1_#t~mem11.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,254 WARN L313 ript$VariableManager]: TermVariabe |deleteThread1of1ForFork1_#t~mem11.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,255 WARN L313 ript$VariableManager]: TermVariabe |deleteThread1of1ForFork1_#t~mem11.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,255 WARN L313 ript$VariableManager]: TermVariabe |deleteThread1of1ForFork1_#t~mem11.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,256 WARN L313 ript$VariableManager]: TermVariabe deleteThread1of1ForFork1_~next~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,256 WARN L313 ript$VariableManager]: TermVariabe deleteThread1of1ForFork1_~next~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,256 WARN L313 ript$VariableManager]: TermVariabe deleteThread1of1ForFork1_~list~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,256 WARN L313 ript$VariableManager]: TermVariabe deleteThread1of1ForFork1_~list~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,256 WARN L313 ript$VariableManager]: TermVariabe deleteThread1of1ForFork1_~next~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,256 WARN L313 ript$VariableManager]: TermVariabe deleteThread1of1ForFork1_~next~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,256 WARN L313 ript$VariableManager]: TermVariabe deleteThread1of1ForFork1_~list~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,256 WARN L313 ript$VariableManager]: TermVariabe deleteThread1of1ForFork1_~list~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,257 WARN L313 ript$VariableManager]: TermVariabe deleteThread1of1ForFork1_~list~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,257 WARN L313 ript$VariableManager]: TermVariabe deleteThread1of1ForFork1_~list~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,257 WARN L313 ript$VariableManager]: TermVariabe deleteThread1of1ForFork1_~list~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,257 WARN L313 ript$VariableManager]: TermVariabe deleteThread1of1ForFork1_~list~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,257 WARN L313 ript$VariableManager]: TermVariabe deleteThread1of1ForFork1_~list~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,257 WARN L313 ript$VariableManager]: TermVariabe deleteThread1of1ForFork1_~list~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,257 WARN L313 ript$VariableManager]: TermVariabe deleteThread1of1ForFork1_~list~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,258 WARN L313 ript$VariableManager]: TermVariabe deleteThread1of1ForFork1_~list~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,258 WARN L313 ript$VariableManager]: TermVariabe deleteThread1of1ForFork1_~list~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,258 WARN L313 ript$VariableManager]: TermVariabe deleteThread1of1ForFork1_~list~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,258 WARN L313 ript$VariableManager]: TermVariabe deleteThread1of1ForFork1_~list~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,258 WARN L313 ript$VariableManager]: TermVariabe deleteThread1of1ForFork1_~list~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,258 WARN L313 ript$VariableManager]: TermVariabe deleteThread1of1ForFork1_~list~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,259 WARN L313 ript$VariableManager]: TermVariabe deleteThread1of1ForFork1_~list~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,259 WARN L313 ript$VariableManager]: TermVariabe deleteThread1of1ForFork1_~next~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,259 WARN L313 ript$VariableManager]: TermVariabe deleteThread1of1ForFork1_~next~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,259 WARN L313 ript$VariableManager]: TermVariabe deleteThread1of1ForFork1_~list~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,259 WARN L313 ript$VariableManager]: TermVariabe deleteThread1of1ForFork1_~list~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,259 WARN L313 ript$VariableManager]: TermVariabe deleteThread1of1ForFork1_~next~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,259 WARN L313 ript$VariableManager]: TermVariabe deleteThread1of1ForFork1_~next~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,259 WARN L313 ript$VariableManager]: TermVariabe deleteThread1of1ForFork1_~list~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,260 WARN L313 ript$VariableManager]: TermVariabe deleteThread1of1ForFork1_~list~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,265 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_append_#t~mem4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,265 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_append_#t~mem3.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,268 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_append_#in~plist.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,269 WARN L313 ript$VariableManager]: TermVariabe buildThread1of1ForFork0_append_~plist.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,269 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_~#list~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,269 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_~#list~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,269 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_append_#t~mem6.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,269 WARN L313 ript$VariableManager]: TermVariabe buildThread1of1ForFork0_~plist.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,269 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_append_#t~mem6.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,269 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_append_#t~mem5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,270 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_append_#t~mem4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,270 WARN L313 ript$VariableManager]: TermVariabe buildThread1of1ForFork0_~plist.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,270 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_append_#t~malloc2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,270 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_append_#t~malloc7.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,270 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_append_#t~malloc2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,270 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_append_#t~ite8.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,270 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,271 WARN L313 ript$VariableManager]: TermVariabe buildThread1of1ForFork0_append_~elem~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,271 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_append_#t~mem3.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,271 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_append_#t~malloc7.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,271 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_append_#t~ite8.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,271 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,271 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,271 WARN L313 ript$VariableManager]: TermVariabe buildThread1of1ForFork0_append_~elem~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,272 WARN L313 ript$VariableManager]: TermVariabe buildThread1of1ForFork0_append_~plist.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,272 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_append_#t~mem5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,272 WARN L313 ript$VariableManager]: TermVariabe |buildThread1of1ForFork0_append_#in~plist.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,277 WARN L313 ript$VariableManager]: TermVariabe deleteThread1of1ForFork1_~plist.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,278 WARN L313 ript$VariableManager]: TermVariabe |deleteThread1of1ForFork1_#t~mem11.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,278 WARN L313 ript$VariableManager]: TermVariabe deleteThread1of1ForFork1_~list~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,278 WARN L313 ript$VariableManager]: TermVariabe |deleteThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,279 WARN L313 ript$VariableManager]: TermVariabe |deleteThread1of1ForFork1_#t~mem12.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,279 WARN L313 ript$VariableManager]: TermVariabe deleteThread1of1ForFork1_~list~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,279 WARN L313 ript$VariableManager]: TermVariabe deleteThread1of1ForFork1_~next~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,279 WARN L313 ript$VariableManager]: TermVariabe deleteThread1of1ForFork1_~plist.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,279 WARN L313 ript$VariableManager]: TermVariabe |deleteThread1of1ForFork1_#t~mem10.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,279 WARN L313 ript$VariableManager]: TermVariabe |deleteThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,279 WARN L313 ript$VariableManager]: TermVariabe deleteThread1of1ForFork1_~next~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,279 WARN L313 ript$VariableManager]: TermVariabe |deleteThread1of1ForFork1_#t~mem11.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,280 WARN L313 ript$VariableManager]: TermVariabe |deleteThread1of1ForFork1_#t~mem12.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,280 WARN L313 ript$VariableManager]: TermVariabe |deleteThread1of1ForFork1_#t~mem10.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,280 WARN L313 ript$VariableManager]: TermVariabe deleteThread1of1ForFork1_~next~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,280 WARN L313 ript$VariableManager]: TermVariabe deleteThread1of1ForFork1_~next~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:20:33,286 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-10-13 07:20:33,342 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 07:20:33,347 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=false, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, 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 [2021-10-13 07:20:33,347 INFO L340 AbstractCegarLoop]: Starting to check reachability of 69 error locations. [2021-10-13 07:20:33,363 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-10-13 07:20:33,374 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 146 places, 145 transitions, 306 flow [2021-10-13 07:20:33,377 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 146 places, 145 transitions, 306 flow [2021-10-13 07:20:33,379 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 146 places, 145 transitions, 306 flow [2021-10-13 07:20:33,429 INFO L129 PetriNetUnfolder]: 6/143 cut-off events. [2021-10-13 07:20:33,429 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-10-13 07:20:33,432 INFO L84 FinitePrefix]: Finished finitePrefix Result has 152 conditions, 143 events. 6/143 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 362 event pairs, 0 based on Foata normal form. 0/99 useless extension candidates. Maximal degree in co-relation 82. Up to 3 conditions per place. [2021-10-13 07:20:33,437 INFO L116 LiptonReduction]: Number of co-enabled transitions 940 [2021-10-13 07:21:01,424 INFO L131 LiptonReduction]: Checked pairs total: 1763 [2021-10-13 07:21:01,424 INFO L133 LiptonReduction]: Total number of compositions: 192 [2021-10-13 07:21:01,446 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 65 places, 63 transitions, 142 flow [2021-10-13 07:21:01,472 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 170 states, 74 states have (on average 4.094594594594595) internal successors, (303), 169 states have internal predecessors, (303), 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) [2021-10-13 07:21:01,474 INFO L276 IsEmpty]: Start isEmpty. Operand has 170 states, 74 states have (on average 4.094594594594595) internal successors, (303), 169 states have internal predecessors, (303), 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) [2021-10-13 07:21:01,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2021-10-13 07:21:01,479 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:21:01,480 INFO L512 BasicCegarLoop]: trace histogram [1] [2021-10-13 07:21:01,480 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATION === [buildErr0REQUIRES_VIOLATION, buildErr1REQUIRES_VIOLATION, buildErr2REQUIRES_VIOLATION, buildErr3REQUIRES_VIOLATION, buildErr4REQUIRES_VIOLATION (and 64 more)] === [2021-10-13 07:21:01,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:21:01,489 INFO L82 PathProgramCache]: Analyzing trace with hash 627, now seen corresponding path program 1 times [2021-10-13 07:21:01,503 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:21:01,504 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1175526551] [2021-10-13 07:21:01,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:21:01,505 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:21:01,505 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cf700-e49f-4c93-9892-590e0983acc2/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:21:01,510 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cf700-e49f-4c93-9892-590e0983acc2/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:21:01,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cf700-e49f-4c93-9892-590e0983acc2/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-13 07:21:01,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:21:01,596 INFO L263 TraceCheckSpWp]: Trace formula consists of 3 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-13 07:21:01,599 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:21:01,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:21:01,604 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:21:01,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:21:01,605 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:21:01,605 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1175526551] [2021-10-13 07:21:01,606 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1175526551] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:21:01,606 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:21:01,606 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0, 0] imperfect sequences [] total 0 [2021-10-13 07:21:01,608 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025931970] [2021-10-13 07:21:01,614 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-13 07:21:01,614 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:21:01,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-13 07:21:01,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-13 07:21:01,633 INFO L87 Difference]: Start difference. First operand has 170 states, 74 states have (on average 4.094594594594595) internal successors, (303), 169 states have internal predecessors, (303), 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, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 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) [2021-10-13 07:21:01,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:21:01,649 INFO L93 Difference]: Finished difference Result 136 states and 241 transitions. [2021-10-13 07:21:01,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-13 07:21:01,650 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 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 1 [2021-10-13 07:21:01,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:21:01,660 INFO L225 Difference]: With dead ends: 136 [2021-10-13 07:21:01,660 INFO L226 Difference]: Without dead ends: 136 [2021-10-13 07:21:01,663 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-13 07:21:01,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2021-10-13 07:21:01,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136. [2021-10-13 07:21:01,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 66 states have (on average 3.6515151515151514) internal successors, (241), 135 states have internal predecessors, (241), 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) [2021-10-13 07:21:01,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 241 transitions. [2021-10-13 07:21:01,740 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 241 transitions. Word has length 1 [2021-10-13 07:21:01,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:21:01,741 INFO L470 AbstractCegarLoop]: Abstraction has 136 states and 241 transitions. [2021-10-13 07:21:01,741 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 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) [2021-10-13 07:21:01,741 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 241 transitions. [2021-10-13 07:21:01,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-10-13 07:21:01,742 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:21:01,742 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-10-13 07:21:01,757 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cf700-e49f-4c93-9892-590e0983acc2/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-13 07:21:01,952 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cf700-e49f-4c93-9892-590e0983acc2/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:21:01,953 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2REQUIRES_VIOLATION === [buildErr0REQUIRES_VIOLATION, buildErr1REQUIRES_VIOLATION, buildErr2REQUIRES_VIOLATION, buildErr3REQUIRES_VIOLATION, buildErr4REQUIRES_VIOLATION (and 64 more)] === [2021-10-13 07:21:01,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:21:01,954 INFO L82 PathProgramCache]: Analyzing trace with hash 617655, now seen corresponding path program 1 times [2021-10-13 07:21:01,958 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:21:01,960 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1530027641] [2021-10-13 07:21:01,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:21:01,960 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:21:01,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cf700-e49f-4c93-9892-590e0983acc2/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:21:01,961 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cf700-e49f-4c93-9892-590e0983acc2/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:21:02,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cf700-e49f-4c93-9892-590e0983acc2/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-13 07:21:02,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:21:02,092 INFO L263 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 07:21:02,093 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:21:02,193 INFO L354 Elim1Store]: treesize reduction 34, result has 38.2 percent of original size [2021-10-13 07:21:02,194 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 12 treesize of output 26 [2021-10-13 07:21:02,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:21:02,313 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:21:02,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:21:02,326 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:21:02,327 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1530027641] [2021-10-13 07:21:02,327 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1530027641] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:21:02,327 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:21:02,327 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1, 1] imperfect sequences [] total 1 [2021-10-13 07:21:02,327 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977601725] [2021-10-13 07:21:02,329 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 07:21:02,329 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:21:02,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 07:21:02,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 07:21:02,330 INFO L87 Difference]: Start difference. First operand 136 states and 241 transitions. Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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) [2021-10-13 07:21:02,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:21:02,603 INFO L93 Difference]: Finished difference Result 146 states and 254 transitions. [2021-10-13 07:21:02,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 07:21:02,604 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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 3 [2021-10-13 07:21:02,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:21:02,606 INFO L225 Difference]: With dead ends: 146 [2021-10-13 07:21:02,606 INFO L226 Difference]: Without dead ends: 146 [2021-10-13 07:21:02,607 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 28.2ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 07:21:02,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2021-10-13 07:21:02,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 121. [2021-10-13 07:21:02,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 60 states have (on average 3.5) internal successors, (210), 120 states have internal predecessors, (210), 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) [2021-10-13 07:21:02,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 210 transitions. [2021-10-13 07:21:02,633 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 210 transitions. Word has length 3 [2021-10-13 07:21:02,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:21:02,633 INFO L470 AbstractCegarLoop]: Abstraction has 121 states and 210 transitions. [2021-10-13 07:21:02,634 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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) [2021-10-13 07:21:02,634 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 210 transitions. [2021-10-13 07:21:02,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-10-13 07:21:02,634 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:21:02,634 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-10-13 07:21:02,654 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cf700-e49f-4c93-9892-590e0983acc2/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-13 07:21:02,846 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cf700-e49f-4c93-9892-590e0983acc2/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:21:02,846 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3REQUIRES_VIOLATION === [buildErr0REQUIRES_VIOLATION, buildErr1REQUIRES_VIOLATION, buildErr2REQUIRES_VIOLATION, buildErr3REQUIRES_VIOLATION, buildErr4REQUIRES_VIOLATION (and 64 more)] === [2021-10-13 07:21:02,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:21:02,847 INFO L82 PathProgramCache]: Analyzing trace with hash 617656, now seen corresponding path program 1 times [2021-10-13 07:21:02,847 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:21:02,848 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1922362848] [2021-10-13 07:21:02,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:21:02,848 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:21:02,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cf700-e49f-4c93-9892-590e0983acc2/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:21:02,850 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cf700-e49f-4c93-9892-590e0983acc2/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:21:02,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cf700-e49f-4c93-9892-590e0983acc2/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-13 07:21:02,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:21:02,941 INFO L263 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-13 07:21:02,942 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:21:03,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:21:03,013 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:21:03,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:21:03,050 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:21:03,051 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1922362848] [2021-10-13 07:21:03,051 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1922362848] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:21:03,051 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:21:03,051 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1, 1] imperfect sequences [] total 1 [2021-10-13 07:21:03,051 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1746541918] [2021-10-13 07:21:03,052 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 07:21:03,052 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:21:03,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 07:21:03,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 07:21:03,053 INFO L87 Difference]: Start difference. First operand 121 states and 210 transitions. Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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) [2021-10-13 07:21:03,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:21:03,755 INFO L93 Difference]: Finished difference Result 207 states and 353 transitions. [2021-10-13 07:21:03,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 07:21:03,756 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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 3 [2021-10-13 07:21:03,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:21:03,757 INFO L225 Difference]: With dead ends: 207 [2021-10-13 07:21:03,757 INFO L226 Difference]: Without dead ends: 207 [2021-10-13 07:21:03,758 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 20.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 07:21:03,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2021-10-13 07:21:03,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 120. [2021-10-13 07:21:03,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 59 states have (on average 3.5254237288135593) internal successors, (208), 119 states have internal predecessors, (208), 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) [2021-10-13 07:21:03,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 208 transitions. [2021-10-13 07:21:03,769 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 208 transitions. Word has length 3 [2021-10-13 07:21:03,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:21:03,770 INFO L470 AbstractCegarLoop]: Abstraction has 120 states and 208 transitions. [2021-10-13 07:21:03,770 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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) [2021-10-13 07:21:03,770 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 208 transitions. [2021-10-13 07:21:03,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-13 07:21:03,771 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:21:03,771 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-10-13 07:21:03,800 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cf700-e49f-4c93-9892-590e0983acc2/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-13 07:21:03,985 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cf700-e49f-4c93-9892-590e0983acc2/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:21:03,985 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting buildErr0REQUIRES_VIOLATION === [buildErr0REQUIRES_VIOLATION, buildErr1REQUIRES_VIOLATION, buildErr2REQUIRES_VIOLATION, buildErr3REQUIRES_VIOLATION, buildErr4REQUIRES_VIOLATION (and 64 more)] === [2021-10-13 07:21:03,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:21:03,986 INFO L82 PathProgramCache]: Analyzing trace with hash 19148252, now seen corresponding path program 1 times [2021-10-13 07:21:03,986 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:21:03,986 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [226184334] [2021-10-13 07:21:03,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:21:03,987 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:21:03,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cf700-e49f-4c93-9892-590e0983acc2/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:21:03,987 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cf700-e49f-4c93-9892-590e0983acc2/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:21:03,988 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cf700-e49f-4c93-9892-590e0983acc2/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-13 07:21:04,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:21:04,095 INFO L263 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-13 07:21:04,096 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:21:04,109 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-10-13 07:21:04,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:21:04,117 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:21:04,146 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:21:04,147 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:21:04,147 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [226184334] [2021-10-13 07:21:04,147 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [226184334] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:21:04,147 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:21:04,147 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-13 07:21:04,148 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801459364] [2021-10-13 07:21:04,148 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 07:21:04,148 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:21:04,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 07:21:04,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 07:21:04,150 INFO L87 Difference]: Start difference. First operand 120 states and 208 transitions. Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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) [2021-10-13 07:21:04,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:21:04,365 INFO L93 Difference]: Finished difference Result 142 states and 247 transitions. [2021-10-13 07:21:04,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 07:21:04,366 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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 4 [2021-10-13 07:21:04,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:21:04,367 INFO L225 Difference]: With dead ends: 142 [2021-10-13 07:21:04,368 INFO L226 Difference]: Without dead ends: 142 [2021-10-13 07:21:04,368 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 14.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 07:21:04,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2021-10-13 07:21:04,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 117. [2021-10-13 07:21:04,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 58 states have (on average 3.5) internal successors, (203), 116 states have internal predecessors, (203), 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) [2021-10-13 07:21:04,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 203 transitions. [2021-10-13 07:21:04,377 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 203 transitions. Word has length 4 [2021-10-13 07:21:04,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:21:04,378 INFO L470 AbstractCegarLoop]: Abstraction has 117 states and 203 transitions. [2021-10-13 07:21:04,378 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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) [2021-10-13 07:21:04,378 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 203 transitions. [2021-10-13 07:21:04,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-13 07:21:04,379 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:21:04,379 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-10-13 07:21:04,397 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cf700-e49f-4c93-9892-590e0983acc2/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-13 07:21:04,590 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cf700-e49f-4c93-9892-590e0983acc2/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:21:04,590 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3REQUIRES_VIOLATION === [buildErr0REQUIRES_VIOLATION, buildErr1REQUIRES_VIOLATION, buildErr2REQUIRES_VIOLATION, buildErr3REQUIRES_VIOLATION, buildErr4REQUIRES_VIOLATION (and 64 more)] === [2021-10-13 07:21:04,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:21:04,591 INFO L82 PathProgramCache]: Analyzing trace with hash 19148216, now seen corresponding path program 1 times [2021-10-13 07:21:04,591 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:21:04,591 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [254601898] [2021-10-13 07:21:04,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:21:04,591 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:21:04,592 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cf700-e49f-4c93-9892-590e0983acc2/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:21:04,592 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cf700-e49f-4c93-9892-590e0983acc2/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:21:04,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cf700-e49f-4c93-9892-590e0983acc2/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-13 07:21:04,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:21:04,715 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-13 07:21:04,716 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:21:04,772 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-10-13 07:21:04,773 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 11 [2021-10-13 07:21:04,898 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-10-13 07:21:04,898 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 19 [2021-10-13 07:21:04,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:21:04,932 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:21:05,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:21:05,102 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:21:05,102 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [254601898] [2021-10-13 07:21:05,102 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [254601898] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:21:05,102 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:21:05,102 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1, 2] imperfect sequences [] total 3 [2021-10-13 07:21:05,103 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760860923] [2021-10-13 07:21:05,103 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 07:21:05,103 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:21:05,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 07:21:05,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-10-13 07:21:05,104 INFO L87 Difference]: Start difference. First operand 117 states and 203 transitions. Second operand has 5 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:21:06,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:21:06,184 INFO L93 Difference]: Finished difference Result 106 states and 181 transitions. [2021-10-13 07:21:06,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 07:21:06,185 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2021-10-13 07:21:06,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:21:06,186 INFO L225 Difference]: With dead ends: 106 [2021-10-13 07:21:06,186 INFO L226 Difference]: Without dead ends: 106 [2021-10-13 07:21:06,186 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 148.2ms TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-10-13 07:21:06,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2021-10-13 07:21:06,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 104. [2021-10-13 07:21:06,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 53 states have (on average 3.3207547169811322) internal successors, (176), 103 states have internal predecessors, (176), 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) [2021-10-13 07:21:06,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 176 transitions. [2021-10-13 07:21:06,192 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 176 transitions. Word has length 4 [2021-10-13 07:21:06,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:21:06,192 INFO L470 AbstractCegarLoop]: Abstraction has 104 states and 176 transitions. [2021-10-13 07:21:06,192 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:21:06,193 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 176 transitions. [2021-10-13 07:21:06,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-13 07:21:06,193 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:21:06,193 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-10-13 07:21:06,204 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cf700-e49f-4c93-9892-590e0983acc2/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (6)] Ended with exit code 0 [2021-10-13 07:21:06,393 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cf700-e49f-4c93-9892-590e0983acc2/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:21:06,394 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting buildErr1REQUIRES_VIOLATION === [buildErr0REQUIRES_VIOLATION, buildErr1REQUIRES_VIOLATION, buildErr2REQUIRES_VIOLATION, buildErr3REQUIRES_VIOLATION, buildErr4REQUIRES_VIOLATION (and 64 more)] === [2021-10-13 07:21:06,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:21:06,394 INFO L82 PathProgramCache]: Analyzing trace with hash 19148249, now seen corresponding path program 1 times [2021-10-13 07:21:06,394 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:21:06,394 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [708913762] [2021-10-13 07:21:06,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:21:06,395 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:21:06,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cf700-e49f-4c93-9892-590e0983acc2/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:21:06,396 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cf700-e49f-4c93-9892-590e0983acc2/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:21:06,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cf700-e49f-4c93-9892-590e0983acc2/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-13 07:21:06,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:21:06,521 INFO L263 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-13 07:21:06,522 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:21:06,568 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-10-13 07:21:06,574 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-10-13 07:21:06,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:21:06,595 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:21:08,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:21:08,164 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:21:08,165 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [708913762] [2021-10-13 07:21:08,165 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [708913762] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:21:08,165 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:21:08,165 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-13 07:21:08,165 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792890624] [2021-10-13 07:21:08,166 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 07:21:08,166 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:21:08,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 07:21:08,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:21:08,167 INFO L87 Difference]: Start difference. First operand 104 states and 176 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:21:12,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:21:12,615 INFO L93 Difference]: Finished difference Result 153 states and 261 transitions. [2021-10-13 07:21:12,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 07:21:12,616 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2021-10-13 07:21:12,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:21:12,617 INFO L225 Difference]: With dead ends: 153 [2021-10-13 07:21:12,617 INFO L226 Difference]: Without dead ends: 153 [2021-10-13 07:21:12,618 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1486.6ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:21:12,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2021-10-13 07:21:12,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 102. [2021-10-13 07:21:12,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 52 states have (on average 3.326923076923077) internal successors, (173), 101 states have internal predecessors, (173), 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) [2021-10-13 07:21:12,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 173 transitions. [2021-10-13 07:21:12,623 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 173 transitions. Word has length 4 [2021-10-13 07:21:12,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:21:12,624 INFO L470 AbstractCegarLoop]: Abstraction has 102 states and 173 transitions. [2021-10-13 07:21:12,624 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:21:12,624 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 173 transitions. [2021-10-13 07:21:12,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-13 07:21:12,624 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:21:12,624 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2021-10-13 07:21:12,642 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cf700-e49f-4c93-9892-590e0983acc2/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-10-13 07:21:12,825 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cf700-e49f-4c93-9892-590e0983acc2/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:21:12,827 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting buildErr8REQUIRES_VIOLATION === [buildErr0REQUIRES_VIOLATION, buildErr1REQUIRES_VIOLATION, buildErr2REQUIRES_VIOLATION, buildErr3REQUIRES_VIOLATION, buildErr4REQUIRES_VIOLATION (and 64 more)] === [2021-10-13 07:21:12,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:21:12,827 INFO L82 PathProgramCache]: Analyzing trace with hash 593596307, now seen corresponding path program 1 times [2021-10-13 07:21:12,827 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:21:12,828 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1528632992] [2021-10-13 07:21:12,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:21:12,828 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:21:12,828 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cf700-e49f-4c93-9892-590e0983acc2/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:21:12,829 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cf700-e49f-4c93-9892-590e0983acc2/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:21:12,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cf700-e49f-4c93-9892-590e0983acc2/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-10-13 07:21:12,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:21:12,916 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 19 conjunts are in the unsatisfiable core [2021-10-13 07:21:12,917 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:21:13,074 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:21:13,074 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:21:13,156 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 24 [2021-10-13 07:21:13,163 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 12 [2021-10-13 07:21:13,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:21:13,183 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:21:13,186 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1528632992] [2021-10-13 07:21:13,187 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1528632992] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:21:13,187 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:21:13,187 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 5 [2021-10-13 07:21:13,187 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971402587] [2021-10-13 07:21:13,188 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-13 07:21:13,188 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:21:13,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-13 07:21:13,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-10-13 07:21:13,189 INFO L87 Difference]: Start difference. First operand 102 states and 173 transitions. Second operand has 7 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 6 states have internal predecessors, (7), 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) [2021-10-13 07:21:13,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:21:13,678 INFO L93 Difference]: Finished difference Result 114 states and 195 transitions. [2021-10-13 07:21:13,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-13 07:21:13,679 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 6 states have internal predecessors, (7), 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 5 [2021-10-13 07:21:13,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:21:13,680 INFO L225 Difference]: With dead ends: 114 [2021-10-13 07:21:13,680 INFO L226 Difference]: Without dead ends: 114 [2021-10-13 07:21:13,680 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 187.0ms TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-10-13 07:21:13,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2021-10-13 07:21:13,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 106. [2021-10-13 07:21:13,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 56 states have (on average 3.1964285714285716) internal successors, (179), 105 states have internal predecessors, (179), 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) [2021-10-13 07:21:13,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 179 transitions. [2021-10-13 07:21:13,686 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 179 transitions. Word has length 5 [2021-10-13 07:21:13,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:21:13,686 INFO L470 AbstractCegarLoop]: Abstraction has 106 states and 179 transitions. [2021-10-13 07:21:13,686 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 6 states have internal predecessors, (7), 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) [2021-10-13 07:21:13,686 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 179 transitions. [2021-10-13 07:21:13,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-13 07:21:13,687 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:21:13,687 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:21:13,705 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cf700-e49f-4c93-9892-590e0983acc2/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (8)] Ended with exit code 0 [2021-10-13 07:21:13,898 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cf700-e49f-4c93-9892-590e0983acc2/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:21:13,899 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting buildErr12REQUIRES_VIOLATION === [buildErr0REQUIRES_VIOLATION, buildErr1REQUIRES_VIOLATION, buildErr2REQUIRES_VIOLATION, buildErr3REQUIRES_VIOLATION, buildErr4REQUIRES_VIOLATION (and 64 more)] === [2021-10-13 07:21:13,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:21:13,899 INFO L82 PathProgramCache]: Analyzing trace with hash -784648766, now seen corresponding path program 1 times [2021-10-13 07:21:13,899 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:21:13,899 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [19982516] [2021-10-13 07:21:13,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:21:13,900 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:21:13,900 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cf700-e49f-4c93-9892-590e0983acc2/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:21:13,900 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cf700-e49f-4c93-9892-590e0983acc2/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:21:13,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cf700-e49f-4c93-9892-590e0983acc2/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-10-13 07:21:14,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:21:14,062 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-13 07:21:14,063 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:21:14,148 INFO L354 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2021-10-13 07:21:14,148 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 28 [2021-10-13 07:21:14,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:21:14,196 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:21:18,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:21:18,283 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:21:18,284 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [19982516] [2021-10-13 07:21:18,284 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [19982516] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:21:18,284 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:21:18,284 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-13 07:21:18,284 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1007534053] [2021-10-13 07:21:18,285 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 07:21:18,285 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:21:18,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 07:21:18,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=8, Unknown=2, NotChecked=0, Total=20 [2021-10-13 07:21:18,286 INFO L87 Difference]: Start difference. First operand 106 states and 179 transitions. Second operand has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 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) [2021-10-13 07:21:18,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:21:18,558 INFO L93 Difference]: Finished difference Result 131 states and 223 transitions. [2021-10-13 07:21:18,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 07:21:18,559 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 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 7 [2021-10-13 07:21:18,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:21:18,560 INFO L225 Difference]: With dead ends: 131 [2021-10-13 07:21:18,560 INFO L226 Difference]: Without dead ends: 131 [2021-10-13 07:21:18,560 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 4055.3ms TimeCoverageRelationStatistics Valid=10, Invalid=8, Unknown=2, NotChecked=0, Total=20 [2021-10-13 07:21:18,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2021-10-13 07:21:18,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 104. [2021-10-13 07:21:18,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 55 states have (on average 3.2) internal successors, (176), 103 states have internal predecessors, (176), 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) [2021-10-13 07:21:18,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 176 transitions. [2021-10-13 07:21:18,565 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 176 transitions. Word has length 7 [2021-10-13 07:21:18,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:21:18,565 INFO L470 AbstractCegarLoop]: Abstraction has 104 states and 176 transitions. [2021-10-13 07:21:18,565 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 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) [2021-10-13 07:21:18,566 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 176 transitions. [2021-10-13 07:21:18,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-13 07:21:18,566 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:21:18,566 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:21:18,584 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cf700-e49f-4c93-9892-590e0983acc2/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (9)] Ended with exit code 0 [2021-10-13 07:21:18,776 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cf700-e49f-4c93-9892-590e0983acc2/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:21:18,776 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting buildErr13REQUIRES_VIOLATION === [buildErr0REQUIRES_VIOLATION, buildErr1REQUIRES_VIOLATION, buildErr2REQUIRES_VIOLATION, buildErr3REQUIRES_VIOLATION, buildErr4REQUIRES_VIOLATION (and 64 more)] === [2021-10-13 07:21:18,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:21:18,777 INFO L82 PathProgramCache]: Analyzing trace with hash -784648765, now seen corresponding path program 1 times [2021-10-13 07:21:18,777 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:21:18,777 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1211384618] [2021-10-13 07:21:18,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:21:18,777 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:21:18,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cf700-e49f-4c93-9892-590e0983acc2/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:21:18,778 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cf700-e49f-4c93-9892-590e0983acc2/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:21:18,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cf700-e49f-4c93-9892-590e0983acc2/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-10-13 07:21:18,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:21:18,917 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-13 07:21:18,918 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:21:19,035 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-10-13 07:21:19,035 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 31 [2021-10-13 07:21:19,052 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-10-13 07:21:19,053 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 28 [2021-10-13 07:21:19,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:21:19,119 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:21:22,626 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 40 [2021-10-13 07:21:22,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:21:22,636 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:21:22,636 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1211384618] [2021-10-13 07:21:22,637 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1211384618] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:21:22,637 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:21:22,637 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 3] imperfect sequences [] total 6 [2021-10-13 07:21:22,637 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71142001] [2021-10-13 07:21:22,637 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-13 07:21:22,638 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:21:22,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-13 07:21:22,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=26, Unknown=1, NotChecked=0, Total=42 [2021-10-13 07:21:22,648 INFO L87 Difference]: Start difference. First operand 104 states and 176 transitions. Second operand has 7 states, 6 states have (on average 2.0) internal successors, (12), 7 states have internal predecessors, (12), 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) [2021-10-13 07:21:27,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:21:27,620 INFO L93 Difference]: Finished difference Result 264 states and 453 transitions. [2021-10-13 07:21:27,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-13 07:21:27,621 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.0) internal successors, (12), 7 states have internal predecessors, (12), 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 7 [2021-10-13 07:21:27,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:21:27,623 INFO L225 Difference]: With dead ends: 264 [2021-10-13 07:21:27,623 INFO L226 Difference]: Without dead ends: 264 [2021-10-13 07:21:27,623 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 7578.7ms TimeCoverageRelationStatistics Valid=52, Invalid=79, Unknown=1, NotChecked=0, Total=132 [2021-10-13 07:21:27,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2021-10-13 07:21:27,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 102. [2021-10-13 07:21:27,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 54 states have (on average 3.2037037037037037) internal successors, (173), 101 states have internal predecessors, (173), 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) [2021-10-13 07:21:27,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 173 transitions. [2021-10-13 07:21:27,629 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 173 transitions. Word has length 7 [2021-10-13 07:21:27,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:21:27,630 INFO L470 AbstractCegarLoop]: Abstraction has 102 states and 173 transitions. [2021-10-13 07:21:27,630 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.0) internal successors, (12), 7 states have internal predecessors, (12), 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) [2021-10-13 07:21:27,630 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 173 transitions. [2021-10-13 07:21:27,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-13 07:21:27,631 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:21:27,631 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:21:27,652 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cf700-e49f-4c93-9892-590e0983acc2/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-10-13 07:21:27,843 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cf700-e49f-4c93-9892-590e0983acc2/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:21:27,843 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting buildErr10REQUIRES_VIOLATION === [buildErr0REQUIRES_VIOLATION, buildErr1REQUIRES_VIOLATION, buildErr2REQUIRES_VIOLATION, buildErr3REQUIRES_VIOLATION, buildErr4REQUIRES_VIOLATION (and 64 more)] === [2021-10-13 07:21:27,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:21:27,844 INFO L82 PathProgramCache]: Analyzing trace with hash -784648996, now seen corresponding path program 1 times [2021-10-13 07:21:27,844 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:21:27,844 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1473167827] [2021-10-13 07:21:27,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:21:27,844 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:21:27,845 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cf700-e49f-4c93-9892-590e0983acc2/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:21:27,845 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cf700-e49f-4c93-9892-590e0983acc2/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:21:27,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cf700-e49f-4c93-9892-590e0983acc2/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-10-13 07:21:27,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:21:27,981 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-13 07:21:27,982 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:21:28,006 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-10-13 07:21:28,066 INFO L354 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2021-10-13 07:21:28,066 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 28 [2021-10-13 07:21:28,109 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:21:28,110 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:21:30,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:21:30,192 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:21:30,192 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1473167827] [2021-10-13 07:21:30,192 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1473167827] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:21:30,192 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:21:30,192 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-13 07:21:30,193 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416981863] [2021-10-13 07:21:30,193 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 07:21:30,193 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:21:30,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 07:21:30,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=9, Unknown=1, NotChecked=0, Total=20 [2021-10-13 07:21:30,194 INFO L87 Difference]: Start difference. First operand 102 states and 173 transitions. Second operand has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 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) [2021-10-13 07:21:30,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:21:30,498 INFO L93 Difference]: Finished difference Result 127 states and 217 transitions. [2021-10-13 07:21:30,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 07:21:30,499 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 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 7 [2021-10-13 07:21:30,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:21:30,500 INFO L225 Difference]: With dead ends: 127 [2021-10-13 07:21:30,500 INFO L226 Difference]: Without dead ends: 127 [2021-10-13 07:21:30,500 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 2046.2ms TimeCoverageRelationStatistics Valid=10, Invalid=9, Unknown=1, NotChecked=0, Total=20 [2021-10-13 07:21:30,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2021-10-13 07:21:30,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 100. [2021-10-13 07:21:30,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 53 states have (on average 3.207547169811321) internal successors, (170), 99 states have internal predecessors, (170), 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) [2021-10-13 07:21:30,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 170 transitions. [2021-10-13 07:21:30,504 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 170 transitions. Word has length 7 [2021-10-13 07:21:30,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:21:30,504 INFO L470 AbstractCegarLoop]: Abstraction has 100 states and 170 transitions. [2021-10-13 07:21:30,504 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 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) [2021-10-13 07:21:30,504 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 170 transitions. [2021-10-13 07:21:30,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-13 07:21:30,505 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:21:30,505 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:21:30,516 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cf700-e49f-4c93-9892-590e0983acc2/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-10-13 07:21:30,705 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cf700-e49f-4c93-9892-590e0983acc2/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:21:30,706 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting buildErr11REQUIRES_VIOLATION === [buildErr0REQUIRES_VIOLATION, buildErr1REQUIRES_VIOLATION, buildErr2REQUIRES_VIOLATION, buildErr3REQUIRES_VIOLATION, buildErr4REQUIRES_VIOLATION (and 64 more)] === [2021-10-13 07:21:30,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:21:30,706 INFO L82 PathProgramCache]: Analyzing trace with hash -784648995, now seen corresponding path program 1 times [2021-10-13 07:21:30,706 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:21:30,706 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [894843714] [2021-10-13 07:21:30,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:21:30,706 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:21:30,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cf700-e49f-4c93-9892-590e0983acc2/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:21:30,707 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cf700-e49f-4c93-9892-590e0983acc2/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:21:30,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cf700-e49f-4c93-9892-590e0983acc2/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-10-13 07:21:30,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:21:30,840 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-13 07:21:30,841 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:21:30,872 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-10-13 07:21:30,883 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-10-13 07:21:30,966 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-10-13 07:21:30,966 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 29 [2021-10-13 07:21:30,979 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-10-13 07:21:30,979 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 26 [2021-10-13 07:21:31,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:21:31,033 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:21:33,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:21:33,342 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:21:33,342 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [894843714] [2021-10-13 07:21:33,342 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [894843714] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:21:33,342 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:21:33,342 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2021-10-13 07:21:33,342 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283241283] [2021-10-13 07:21:33,343 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-13 07:21:33,343 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:21:33,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-13 07:21:33,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=16, Unknown=1, NotChecked=0, Total=30 [2021-10-13 07:21:33,343 INFO L87 Difference]: Start difference. First operand 100 states and 170 transitions. Second operand has 6 states, 5 states have (on average 2.2) internal successors, (11), 6 states have internal predecessors, (11), 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) [2021-10-13 07:21:33,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:21:33,739 INFO L93 Difference]: Finished difference Result 125 states and 214 transitions. [2021-10-13 07:21:33,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 07:21:33,740 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.2) internal successors, (11), 6 states have internal predecessors, (11), 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 7 [2021-10-13 07:21:33,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:21:33,742 INFO L225 Difference]: With dead ends: 125 [2021-10-13 07:21:33,742 INFO L226 Difference]: Without dead ends: 125 [2021-10-13 07:21:33,742 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2242.4ms TimeCoverageRelationStatistics Valid=19, Invalid=22, Unknown=1, NotChecked=0, Total=42 [2021-10-13 07:21:33,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2021-10-13 07:21:33,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 98. [2021-10-13 07:21:33,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 52 states have (on average 3.2115384615384617) internal successors, (167), 97 states have internal predecessors, (167), 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) [2021-10-13 07:21:33,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 167 transitions. [2021-10-13 07:21:33,747 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 167 transitions. Word has length 7 [2021-10-13 07:21:33,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:21:33,747 INFO L470 AbstractCegarLoop]: Abstraction has 98 states and 167 transitions. [2021-10-13 07:21:33,747 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.2) internal successors, (11), 6 states have internal predecessors, (11), 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) [2021-10-13 07:21:33,748 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 167 transitions. [2021-10-13 07:21:33,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-13 07:21:33,748 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:21:33,748 INFO L512 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:21:33,766 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cf700-e49f-4c93-9892-590e0983acc2/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-10-13 07:21:33,949 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cf700-e49f-4c93-9892-590e0983acc2/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:21:33,949 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting buildErr8REQUIRES_VIOLATION === [buildErr0REQUIRES_VIOLATION, buildErr1REQUIRES_VIOLATION, buildErr2REQUIRES_VIOLATION, buildErr3REQUIRES_VIOLATION, buildErr4REQUIRES_VIOLATION (and 64 more)] === [2021-10-13 07:21:33,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:21:33,949 INFO L82 PathProgramCache]: Analyzing trace with hash 2029301084, now seen corresponding path program 1 times [2021-10-13 07:21:33,950 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:21:33,950 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1337928710] [2021-10-13 07:21:33,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:21:33,950 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:21:33,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cf700-e49f-4c93-9892-590e0983acc2/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:21:33,951 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cf700-e49f-4c93-9892-590e0983acc2/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:21:33,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cf700-e49f-4c93-9892-590e0983acc2/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-10-13 07:21:34,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:21:34,133 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 16 conjunts are in the unsatisfiable core [2021-10-13 07:21:34,134 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:21:34,185 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-10-13 07:21:34,296 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 17 [2021-10-13 07:21:34,356 INFO L354 Elim1Store]: treesize reduction 24, result has 33.3 percent of original size [2021-10-13 07:21:34,356 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 34 [2021-10-13 07:21:34,448 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:21:34,448 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:21:34,510 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 40 [2021-10-13 07:21:34,815 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:21:34,815 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:21:34,815 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1337928710] [2021-10-13 07:21:34,815 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1337928710] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-13 07:21:34,816 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [86744523] [2021-10-13 07:21:34,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:21:34,816 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-13 07:21:34,816 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cf700-e49f-4c93-9892-590e0983acc2/bin/utaipan-q2qaUkNPG8/cvc4 [2021-10-13 07:21:34,823 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cf700-e49f-4c93-9892-590e0983acc2/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-13 07:21:34,829 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cf700-e49f-4c93-9892-590e0983acc2/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2021-10-13 07:21:35,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:21:35,159 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 17 conjunts are in the unsatisfiable core [2021-10-13 07:21:35,161 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:21:35,220 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-10-13 07:21:35,384 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 17 [2021-10-13 07:21:35,474 INFO L354 Elim1Store]: treesize reduction 24, result has 33.3 percent of original size [2021-10-13 07:21:35,475 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 34 [2021-10-13 07:21:35,620 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:21:35,620 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:21:35,681 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 38 [2021-10-13 07:21:35,786 INFO L354 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2021-10-13 07:21:35,786 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 38 [2021-10-13 07:21:35,861 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:21:35,862 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [86744523] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-13 07:21:35,862 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1089184590] [2021-10-13 07:21:35,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:21:35,862 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 07:21:35,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cf700-e49f-4c93-9892-590e0983acc2/bin/utaipan-q2qaUkNPG8/z3 [2021-10-13 07:21:35,867 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cf700-e49f-4c93-9892-590e0983acc2/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 07:21:35,891 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cf700-e49f-4c93-9892-590e0983acc2/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2021-10-13 07:21:36,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:21:36,029 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 16 conjunts are in the unsatisfiable core [2021-10-13 07:21:36,030 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:21:36,086 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 17 [2021-10-13 07:21:36,136 INFO L354 Elim1Store]: treesize reduction 27, result has 43.8 percent of original size [2021-10-13 07:21:36,137 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 45 [2021-10-13 07:21:36,291 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:21:36,292 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:21:40,378 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 54 [2021-10-13 07:21:54,794 INFO L354 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2021-10-13 07:21:54,794 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 76 treesize of output 74 [2021-10-13 07:21:54,928 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:21:54,929 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1089184590] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-13 07:21:54,929 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2021-10-13 07:21:54,929 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6, 5, 5, 5] total 17 [2021-10-13 07:21:54,929 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2109631393] [2021-10-13 07:21:54,929 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-10-13 07:21:54,930 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:21:54,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-10-13 07:21:54,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=235, Unknown=8, NotChecked=0, Total=306 [2021-10-13 07:21:54,931 INFO L87 Difference]: Start difference. First operand 98 states and 167 transitions. Second operand has 18 states, 17 states have (on average 1.8235294117647058) internal successors, (31), 18 states have internal predecessors, (31), 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) [2021-10-13 07:21:57,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:21:57,887 INFO L93 Difference]: Finished difference Result 133 states and 223 transitions. [2021-10-13 07:21:57,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-13 07:21:57,888 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 1.8235294117647058) internal successors, (31), 18 states have internal predecessors, (31), 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 10 [2021-10-13 07:21:57,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:21:57,889 INFO L225 Difference]: With dead ends: 133 [2021-10-13 07:21:57,889 INFO L226 Difference]: Without dead ends: 133 [2021-10-13 07:21:57,889 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 33 SyntacticMatches, 5 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 124 ImplicationChecksByTransitivity, 19051.7ms TimeCoverageRelationStatistics Valid=106, Invalid=306, Unknown=8, NotChecked=0, Total=420 [2021-10-13 07:21:57,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2021-10-13 07:21:57,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 96. [2021-10-13 07:21:57,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 51 states have (on average 3.215686274509804) internal successors, (164), 95 states have internal predecessors, (164), 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) [2021-10-13 07:21:57,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 164 transitions. [2021-10-13 07:21:57,892 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 164 transitions. Word has length 10 [2021-10-13 07:21:57,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:21:57,893 INFO L470 AbstractCegarLoop]: Abstraction has 96 states and 164 transitions. [2021-10-13 07:21:57,893 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 1.8235294117647058) internal successors, (31), 18 states have internal predecessors, (31), 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) [2021-10-13 07:21:57,893 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 164 transitions. [2021-10-13 07:21:57,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-13 07:21:57,894 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:21:57,894 INFO L512 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:21:57,917 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cf700-e49f-4c93-9892-590e0983acc2/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2021-10-13 07:21:58,104 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cf700-e49f-4c93-9892-590e0983acc2/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (14)] Forceful destruction successful, exit code 0 [2021-10-13 07:21:58,310 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cf700-e49f-4c93-9892-590e0983acc2/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2021-10-13 07:21:58,502 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cf700-e49f-4c93-9892-590e0983acc2/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cf700-e49f-4c93-9892-590e0983acc2/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cf700-e49f-4c93-9892-590e0983acc2/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:21:58,502 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting buildErr9REQUIRES_VIOLATION === [buildErr0REQUIRES_VIOLATION, buildErr1REQUIRES_VIOLATION, buildErr2REQUIRES_VIOLATION, buildErr3REQUIRES_VIOLATION, buildErr4REQUIRES_VIOLATION (and 64 more)] === [2021-10-13 07:21:58,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:21:58,503 INFO L82 PathProgramCache]: Analyzing trace with hash 2029301086, now seen corresponding path program 1 times [2021-10-13 07:21:58,503 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:21:58,503 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1104436068] [2021-10-13 07:21:58,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:21:58,503 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:21:58,503 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cf700-e49f-4c93-9892-590e0983acc2/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:21:58,504 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cf700-e49f-4c93-9892-590e0983acc2/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:21:58,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cf700-e49f-4c93-9892-590e0983acc2/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2021-10-13 07:21:58,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:21:58,752 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 24 conjunts are in the unsatisfiable core [2021-10-13 07:21:58,753 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:21:58,836 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-10-13 07:21:59,011 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 22 [2021-10-13 07:21:59,026 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-10-13 07:21:59,167 INFO L354 Elim1Store]: treesize reduction 52, result has 22.4 percent of original size [2021-10-13 07:21:59,167 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 62 treesize of output 67 [2021-10-13 07:21:59,181 INFO L354 Elim1Store]: treesize reduction 4, result has 66.7 percent of original size [2021-10-13 07:21:59,181 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 61 treesize of output 61 [2021-10-13 07:21:59,271 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:21:59,271 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:22:00,785 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 106 treesize of output 102 [2021-10-13 07:22:00,790 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 151 treesize of output 135 [2021-10-13 07:22:03,538 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_buildThread1of1ForFork0_append_~elem~0.base_196 (_ BitVec 32))) (or (not (= (_ bv0 1) (bvneg (select |c_#valid| v_buildThread1of1ForFork0_append_~elem~0.base_196)))) (let ((.cse0 (bvadd c_buildThread1of1ForFork0_append_~elem~0.offset (_ bv8 32)))) (and (bvule .cse0 (select (store |c_#length| v_buildThread1of1ForFork0_append_~elem~0.base_196 (_ bv8 32)) c_buildThread1of1ForFork0_append_~elem~0.base)) (= c_buildThread1of1ForFork0_append_~plist.base |c_buildThread1of1ForFork0_~#list~0.base|) (bvule (bvadd (_ bv4 32) c_buildThread1of1ForFork0_append_~elem~0.offset) .cse0) (= c_buildThread1of1ForFork0_append_~plist.offset |c_buildThread1of1ForFork0_~#list~0.offset|))))) is different from false [2021-10-13 07:22:03,611 INFO L354 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2021-10-13 07:22:03,611 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 50 treesize of output 49 [2021-10-13 07:22:03,797 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 22 [2021-10-13 07:22:03,893 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:22:03,893 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:22:03,894 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1104436068] [2021-10-13 07:22:03,894 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1104436068] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-13 07:22:03,894 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [961354477] [2021-10-13 07:22:03,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:22:03,894 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-13 07:22:03,894 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cf700-e49f-4c93-9892-590e0983acc2/bin/utaipan-q2qaUkNPG8/cvc4 [2021-10-13 07:22:03,895 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cf700-e49f-4c93-9892-590e0983acc2/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-13 07:22:03,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cf700-e49f-4c93-9892-590e0983acc2/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2021-10-13 07:22:04,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:22:04,206 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 26 conjunts are in the unsatisfiable core [2021-10-13 07:22:04,208 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:22:04,235 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-10-13 07:22:04,250 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-10-13 07:22:04,395 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-10-13 07:22:04,395 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 29 [2021-10-13 07:22:04,413 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-10-13 07:22:04,414 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 26 [2021-10-13 07:22:04,719 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 31 [2021-10-13 07:22:04,748 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-10-13 07:22:04,918 INFO L354 Elim1Store]: treesize reduction 52, result has 22.4 percent of original size [2021-10-13 07:22:04,918 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 71 treesize of output 76 [2021-10-13 07:22:04,930 INFO L354 Elim1Store]: treesize reduction 4, result has 66.7 percent of original size [2021-10-13 07:22:04,931 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 70 treesize of output 70 [2021-10-13 07:22:05,062 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:22:05,062 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:22:05,435 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 106 treesize of output 102 [2021-10-13 07:22:05,439 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 151 treesize of output 135 [2021-10-13 07:22:06,115 INFO L354 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2021-10-13 07:22:06,116 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 42 treesize of output 41 [2021-10-13 07:22:08,718 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_buildThread1of1ForFork0_append_~elem~0.base_196 (_ BitVec 32)) (|v_buildThread1of1ForFork0_append_#t~malloc7.base_120| (_ BitVec 32))) (or (= v_buildThread1of1ForFork0_append_~elem~0.base_196 c_buildThread1of1ForFork0_append_~elem~0.base) (let ((.cse0 (bvadd c_buildThread1of1ForFork0_append_~elem~0.offset (_ bv8 32)))) (and (= c_buildThread1of1ForFork0_append_~plist.base |c_buildThread1of1ForFork0_~#list~0.base|) (bvule (bvadd (_ bv4 32) c_buildThread1of1ForFork0_append_~elem~0.offset) .cse0) (= c_buildThread1of1ForFork0_append_~plist.offset |c_buildThread1of1ForFork0_~#list~0.offset|) (bvule .cse0 (select (store (store |c_#length| |v_buildThread1of1ForFork0_append_#t~malloc7.base_120| (_ bv8 32)) v_buildThread1of1ForFork0_append_~elem~0.base_196 (_ bv8 32)) c_buildThread1of1ForFork0_append_~elem~0.base)))) (not (= (_ bv0 1) (bvneg (bvneg (select |c_#valid| |v_buildThread1of1ForFork0_append_#t~malloc7.base_120|))))))) is different from false [2021-10-13 07:22:08,986 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 1 not checked. [2021-10-13 07:22:08,986 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [961354477] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-13 07:22:08,987 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1609744661] [2021-10-13 07:22:08,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:22:08,987 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 07:22:08,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cf700-e49f-4c93-9892-590e0983acc2/bin/utaipan-q2qaUkNPG8/z3 [2021-10-13 07:22:08,987 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cf700-e49f-4c93-9892-590e0983acc2/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 07:22:08,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cf700-e49f-4c93-9892-590e0983acc2/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2021-10-13 07:22:09,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:22:09,186 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 22 conjunts are in the unsatisfiable core [2021-10-13 07:22:09,187 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:22:09,398 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-10-13 07:22:09,405 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 22 [2021-10-13 07:22:09,530 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-10-13 07:22:09,530 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 59 treesize of output 61 [2021-10-13 07:22:09,547 INFO L354 Elim1Store]: treesize reduction 4, result has 66.7 percent of original size [2021-10-13 07:22:09,548 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 58 treesize of output 58 [2021-10-13 07:22:09,665 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:22:09,665 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:22:09,889 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 106 treesize of output 102 [2021-10-13 07:22:09,895 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 151 treesize of output 135 [2021-10-13 07:22:10,572 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 58 [2021-10-13 07:22:10,597 INFO L354 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2021-10-13 07:22:10,598 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 58 treesize of output 57 [2021-10-13 07:22:10,741 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:22:10,741 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1609744661] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-13 07:22:10,742 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2021-10-13 07:22:10,742 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 7, 6, 5, 5] total 23 [2021-10-13 07:22:10,742 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85834420] [2021-10-13 07:22:10,742 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2021-10-13 07:22:10,742 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:22:10,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-10-13 07:22:10,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=356, Unknown=2, NotChecked=82, Total=552 [2021-10-13 07:22:10,743 INFO L87 Difference]: Start difference. First operand 96 states and 164 transitions. Second operand has 24 states, 23 states have (on average 1.6521739130434783) internal successors, (38), 24 states have internal predecessors, (38), 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) [2021-10-13 07:22:23,896 WARN L207 SmtUtils]: Spent 7.38 s on a formula simplification. DAG size of input: 69 DAG size of output: 52 [2021-10-13 07:22:29,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:22:29,697 INFO L93 Difference]: Finished difference Result 130 states and 226 transitions. [2021-10-13 07:22:29,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-13 07:22:29,698 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 1.6521739130434783) internal successors, (38), 24 states have internal predecessors, (38), 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 10 [2021-10-13 07:22:29,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:22:29,699 INFO L225 Difference]: With dead ends: 130 [2021-10-13 07:22:29,699 INFO L226 Difference]: Without dead ends: 130 [2021-10-13 07:22:29,700 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 31 SyntacticMatches, 6 SemanticMatches, 26 ConstructedPredicates, 2 IntricatePredicates, 1 DeprecatedPredicates, 230 ImplicationChecksByTransitivity, 22529.3ms TimeCoverageRelationStatistics Valid=188, Invalid=468, Unknown=2, NotChecked=98, Total=756 [2021-10-13 07:22:29,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2021-10-13 07:22:29,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 94. [2021-10-13 07:22:29,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 50 states have (on average 3.22) internal successors, (161), 93 states have internal predecessors, (161), 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) [2021-10-13 07:22:29,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 161 transitions. [2021-10-13 07:22:29,703 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 161 transitions. Word has length 10 [2021-10-13 07:22:29,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:22:29,704 INFO L470 AbstractCegarLoop]: Abstraction has 94 states and 161 transitions. [2021-10-13 07:22:29,704 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 1.6521739130434783) internal successors, (38), 24 states have internal predecessors, (38), 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) [2021-10-13 07:22:29,704 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 161 transitions. [2021-10-13 07:22:29,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-13 07:22:29,705 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:22:29,705 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:22:29,716 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cf700-e49f-4c93-9892-590e0983acc2/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2021-10-13 07:22:29,916 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cf700-e49f-4c93-9892-590e0983acc2/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2021-10-13 07:22:30,135 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cf700-e49f-4c93-9892-590e0983acc2/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2021-10-13 07:22:30,314 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cf700-e49f-4c93-9892-590e0983acc2/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3,17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cf700-e49f-4c93-9892-590e0983acc2/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt,18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cf700-e49f-4c93-9892-590e0983acc2/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 07:22:30,314 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr5REQUIRES_VIOLATION === [buildErr0REQUIRES_VIOLATION, buildErr1REQUIRES_VIOLATION, buildErr2REQUIRES_VIOLATION, buildErr3REQUIRES_VIOLATION, buildErr4REQUIRES_VIOLATION (and 64 more)] === [2021-10-13 07:22:30,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:22:30,314 INFO L82 PathProgramCache]: Analyzing trace with hash -81900508, now seen corresponding path program 1 times [2021-10-13 07:22:30,315 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:22:30,315 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1455668901] [2021-10-13 07:22:30,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:22:30,315 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:22:30,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cf700-e49f-4c93-9892-590e0983acc2/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:22:30,316 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cf700-e49f-4c93-9892-590e0983acc2/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:22:30,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cf700-e49f-4c93-9892-590e0983acc2/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2021-10-13 07:22:30,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:22:30,552 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-13 07:22:30,553 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:22:30,624 INFO L354 Elim1Store]: treesize reduction 34, result has 38.2 percent of original size [2021-10-13 07:22:30,624 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 35 [2021-10-13 07:22:30,645 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-10-13 07:22:30,645 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 36 [2021-10-13 07:22:30,920 INFO L354 Elim1Store]: treesize reduction 18, result has 63.3 percent of original size [2021-10-13 07:22:30,921 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 74 [2021-10-13 07:22:30,957 INFO L354 Elim1Store]: treesize reduction 36, result has 23.4 percent of original size [2021-10-13 07:22:30,957 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 71 treesize of output 76 [2021-10-13 07:22:31,681 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 35 [2021-10-13 07:22:31,794 INFO L354 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2021-10-13 07:22:31,795 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 35 treesize of output 55 [2021-10-13 07:22:33,930 INFO L354 Elim1Store]: treesize reduction 92, result has 26.4 percent of original size [2021-10-13 07:22:33,930 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 62 treesize of output 85 [2021-10-13 07:22:33,958 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-10-13 07:22:33,958 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 82 treesize of output 82 [2021-10-13 07:22:35,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:22:35,883 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:22:40,383 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 28 [2021-10-13 07:22:44,954 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_buildThread1of1ForFork0_append_~elem~0.base_202 (_ BitVec 32)) (|v_buildThread1of1ForFork0_append_#t~ite8.base_141| (_ BitVec 32)) (|v_buildThread1of1ForFork0_~#list~0.base_59| (_ BitVec 32))) (or (not (= (_ bv0 1) (bvneg (bvneg (select |c_#valid| |v_buildThread1of1ForFork0_~#list~0.base_59|))))) (= |v_buildThread1of1ForFork0_append_#t~ite8.base_141| v_buildThread1of1ForFork0_append_~elem~0.base_202) (let ((.cse0 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~#id2~0.offset|))) (and (bvule .cse0 (select (store (store (store |c_#length| |v_buildThread1of1ForFork0_~#list~0.base_59| (_ bv4 32)) v_buildThread1of1ForFork0_append_~elem~0.base_202 (_ bv8 32)) |v_buildThread1of1ForFork0_append_#t~ite8.base_141| (_ bv8 32)) |c_ULTIMATE.start_main_~#id2~0.base|)) (bvule |c_ULTIMATE.start_main_~#id2~0.offset| .cse0))))) is different from false [2021-10-13 07:22:45,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:22:45,184 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:22:45,184 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1455668901] [2021-10-13 07:22:45,184 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1455668901] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:22:45,184 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:22:45,184 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 8 [2021-10-13 07:22:45,184 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1446654099] [2021-10-13 07:22:45,185 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-10-13 07:22:45,185 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:22:45,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-13 07:22:45,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=41, Unknown=4, NotChecked=14, Total=90 [2021-10-13 07:22:45,186 INFO L87 Difference]: Start difference. First operand 94 states and 161 transitions. Second operand has 10 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 9 states have internal predecessors, (22), 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) [2021-10-13 07:22:46,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:22:46,452 INFO L93 Difference]: Finished difference Result 82 states and 128 transitions. [2021-10-13 07:22:46,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-13 07:22:46,454 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 9 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-10-13 07:22:46,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:22:46,454 INFO L225 Difference]: With dead ends: 82 [2021-10-13 07:22:46,454 INFO L226 Difference]: Without dead ends: 82 [2021-10-13 07:22:46,455 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 9003.6ms TimeCoverageRelationStatistics Valid=62, Invalid=94, Unknown=4, NotChecked=22, Total=182 [2021-10-13 07:22:46,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2021-10-13 07:22:46,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 73. [2021-10-13 07:22:46,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 52 states have (on average 2.25) internal successors, (117), 72 states have internal predecessors, (117), 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) [2021-10-13 07:22:46,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 117 transitions. [2021-10-13 07:22:46,458 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 117 transitions. Word has length 11 [2021-10-13 07:22:46,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:22:46,458 INFO L470 AbstractCegarLoop]: Abstraction has 73 states and 117 transitions. [2021-10-13 07:22:46,459 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 9 states have internal predecessors, (22), 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) [2021-10-13 07:22:46,459 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 117 transitions. [2021-10-13 07:22:46,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-13 07:22:46,460 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:22:46,460 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:22:46,469 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cf700-e49f-4c93-9892-590e0983acc2/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (19)] Forceful destruction successful, exit code 0 [2021-10-13 07:22:46,666 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cf700-e49f-4c93-9892-590e0983acc2/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:22:46,666 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting deleteErr5ASSERT_VIOLATIONMEMORY_FREE === [buildErr0REQUIRES_VIOLATION, buildErr1REQUIRES_VIOLATION, buildErr2REQUIRES_VIOLATION, buildErr3REQUIRES_VIOLATION, buildErr4REQUIRES_VIOLATION (and 64 more)] === [2021-10-13 07:22:46,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:22:46,666 INFO L82 PathProgramCache]: Analyzing trace with hash -1396964481, now seen corresponding path program 1 times [2021-10-13 07:22:46,666 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:22:46,667 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2040314171] [2021-10-13 07:22:46,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:22:46,667 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:22:46,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cf700-e49f-4c93-9892-590e0983acc2/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:22:46,668 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cf700-e49f-4c93-9892-590e0983acc2/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:22:46,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cf700-e49f-4c93-9892-590e0983acc2/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2021-10-13 07:22:46,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:22:46,928 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-13 07:22:46,930 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:22:47,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:22:47,082 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:22:47,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:22:47,202 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:22:47,202 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2040314171] [2021-10-13 07:22:47,202 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2040314171] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:22:47,202 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:22:47,202 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-13 07:22:47,203 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1345825996] [2021-10-13 07:22:47,203 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 07:22:47,203 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:22:47,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 07:22:47,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:22:47,204 INFO L87 Difference]: Start difference. First operand 73 states and 117 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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) [2021-10-13 07:22:47,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:22:47,249 INFO L93 Difference]: Finished difference Result 50 states and 81 transitions. [2021-10-13 07:22:47,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 07:22:47,250 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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 13 [2021-10-13 07:22:47,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:22:47,251 INFO L225 Difference]: With dead ends: 50 [2021-10-13 07:22:47,251 INFO L226 Difference]: Without dead ends: 50 [2021-10-13 07:22:47,251 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 42.9ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-13 07:22:47,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2021-10-13 07:22:47,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2021-10-13 07:22:47,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 40 states have (on average 2.025) internal successors, (81), 49 states have internal predecessors, (81), 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) [2021-10-13 07:22:47,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 81 transitions. [2021-10-13 07:22:47,254 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 81 transitions. Word has length 13 [2021-10-13 07:22:47,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:22:47,254 INFO L470 AbstractCegarLoop]: Abstraction has 50 states and 81 transitions. [2021-10-13 07:22:47,255 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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) [2021-10-13 07:22:47,255 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 81 transitions. [2021-10-13 07:22:47,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-13 07:22:47,256 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:22:47,256 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:22:47,266 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cf700-e49f-4c93-9892-590e0983acc2/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (20)] Ended with exit code 0 [2021-10-13 07:22:47,462 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cf700-e49f-4c93-9892-590e0983acc2/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:22:47,462 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting deleteErr12ASSERT_VIOLATIONMEMORY_FREE === [buildErr0REQUIRES_VIOLATION, buildErr1REQUIRES_VIOLATION, buildErr2REQUIRES_VIOLATION, buildErr3REQUIRES_VIOLATION, buildErr4REQUIRES_VIOLATION (and 64 more)] === [2021-10-13 07:22:47,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:22:47,462 INFO L82 PathProgramCache]: Analyzing trace with hash -356227676, now seen corresponding path program 1 times [2021-10-13 07:22:47,462 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:22:47,463 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1116450358] [2021-10-13 07:22:47,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:22:47,463 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:22:47,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cf700-e49f-4c93-9892-590e0983acc2/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:22:47,465 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cf700-e49f-4c93-9892-590e0983acc2/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:22:47,466 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cf700-e49f-4c93-9892-590e0983acc2/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (21)] Waiting until timeout for monitored process [2021-10-13 07:22:47,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:22:47,711 INFO L263 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-13 07:22:47,712 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:22:47,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:22:47,794 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:22:47,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:22:47,856 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:22:47,856 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1116450358] [2021-10-13 07:22:47,857 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1116450358] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:22:47,857 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:22:47,857 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-13 07:22:47,857 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170574341] [2021-10-13 07:22:47,858 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 07:22:47,858 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:22:47,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 07:22:47,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 07:22:47,859 INFO L87 Difference]: Start difference. First operand 50 states and 81 transitions. Second operand has 5 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:22:47,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:22:47,947 INFO L93 Difference]: Finished difference Result 52 states and 84 transitions. [2021-10-13 07:22:47,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 07:22:47,948 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2021-10-13 07:22:47,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:22:47,949 INFO L225 Difference]: With dead ends: 52 [2021-10-13 07:22:47,949 INFO L226 Difference]: Without dead ends: 52 [2021-10-13 07:22:47,949 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 52.6ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-13 07:22:47,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2021-10-13 07:22:47,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 50. [2021-10-13 07:22:47,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 40 states have (on average 2.1) internal successors, (84), 49 states have internal predecessors, (84), 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) [2021-10-13 07:22:47,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 84 transitions. [2021-10-13 07:22:47,952 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 84 transitions. Word has length 14 [2021-10-13 07:22:47,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:22:47,953 INFO L470 AbstractCegarLoop]: Abstraction has 50 states and 84 transitions. [2021-10-13 07:22:47,953 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:22:47,953 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 84 transitions. [2021-10-13 07:22:47,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-13 07:22:47,954 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:22:47,954 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:22:47,964 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cf700-e49f-4c93-9892-590e0983acc2/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (21)] Forceful destruction successful, exit code 0 [2021-10-13 07:22:48,158 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cf700-e49f-4c93-9892-590e0983acc2/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:22:48,158 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting deleteErr11REQUIRES_VIOLATION === [buildErr0REQUIRES_VIOLATION, buildErr1REQUIRES_VIOLATION, buildErr2REQUIRES_VIOLATION, buildErr3REQUIRES_VIOLATION, buildErr4REQUIRES_VIOLATION (and 64 more)] === [2021-10-13 07:22:48,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:22:48,158 INFO L82 PathProgramCache]: Analyzing trace with hash -356227800, now seen corresponding path program 1 times [2021-10-13 07:22:48,158 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:22:48,159 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2144714426] [2021-10-13 07:22:48,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:22:48,159 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:22:48,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cf700-e49f-4c93-9892-590e0983acc2/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:22:48,160 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cf700-e49f-4c93-9892-590e0983acc2/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:22:48,161 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cf700-e49f-4c93-9892-590e0983acc2/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (22)] Waiting until timeout for monitored process [2021-10-13 07:22:48,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:22:48,410 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-13 07:22:48,411 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:22:48,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:22:48,501 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:22:48,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:22:48,570 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:22:48,570 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2144714426] [2021-10-13 07:22:48,570 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2144714426] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:22:48,570 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:22:48,570 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-13 07:22:48,571 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [197106533] [2021-10-13 07:22:48,571 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 07:22:48,571 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:22:48,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 07:22:48,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 07:22:48,572 INFO L87 Difference]: Start difference. First operand 50 states and 84 transitions. Second operand has 5 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:22:48,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:22:48,644 INFO L93 Difference]: Finished difference Result 30 states and 43 transitions. [2021-10-13 07:22:48,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 07:22:48,644 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2021-10-13 07:22:48,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:22:48,645 INFO L225 Difference]: With dead ends: 30 [2021-10-13 07:22:48,645 INFO L226 Difference]: Without dead ends: 30 [2021-10-13 07:22:48,645 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 74.2ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-13 07:22:48,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2021-10-13 07:22:48,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2021-10-13 07:22:48,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 29 states have (on average 1.4827586206896552) internal successors, (43), 29 states have internal predecessors, (43), 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) [2021-10-13 07:22:48,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 43 transitions. [2021-10-13 07:22:48,647 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 43 transitions. Word has length 14 [2021-10-13 07:22:48,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:22:48,648 INFO L470 AbstractCegarLoop]: Abstraction has 30 states and 43 transitions. [2021-10-13 07:22:48,648 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:22:48,648 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 43 transitions. [2021-10-13 07:22:48,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-13 07:22:48,649 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:22:48,649 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:22:48,666 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cf700-e49f-4c93-9892-590e0983acc2/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (22)] Forceful destruction successful, exit code 0 [2021-10-13 07:22:48,849 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cf700-e49f-4c93-9892-590e0983acc2/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:22:48,850 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK === [buildErr0REQUIRES_VIOLATION, buildErr1REQUIRES_VIOLATION, buildErr2REQUIRES_VIOLATION, buildErr3REQUIRES_VIOLATION, buildErr4REQUIRES_VIOLATION (and 64 more)] === [2021-10-13 07:22:48,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:22:48,850 INFO L82 PathProgramCache]: Analyzing trace with hash 490193806, now seen corresponding path program 1 times [2021-10-13 07:22:48,850 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:22:48,850 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [85878945] [2021-10-13 07:22:48,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:22:48,851 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:22:48,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cf700-e49f-4c93-9892-590e0983acc2/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:22:48,852 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cf700-e49f-4c93-9892-590e0983acc2/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:22:48,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cf700-e49f-4c93-9892-590e0983acc2/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (23)] Waiting until timeout for monitored process [2021-10-13 07:22:49,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 07:22:49,243 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 07:22:49,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 07:22:49,492 INFO L133 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2021-10-13 07:22:49,492 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-13 07:22:49,493 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 07:22:49,495 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location buildErr0REQUIRES_VIOLATION [2021-10-13 07:22:49,495 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location buildErr1REQUIRES_VIOLATION [2021-10-13 07:22:49,495 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location buildErr2REQUIRES_VIOLATION [2021-10-13 07:22:49,496 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location buildErr3REQUIRES_VIOLATION [2021-10-13 07:22:49,496 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location buildErr4REQUIRES_VIOLATION [2021-10-13 07:22:49,496 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location buildErr5REQUIRES_VIOLATION [2021-10-13 07:22:49,496 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location buildErr6REQUIRES_VIOLATION [2021-10-13 07:22:49,496 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location buildErr7REQUIRES_VIOLATION [2021-10-13 07:22:49,496 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location buildErr8REQUIRES_VIOLATION [2021-10-13 07:22:49,497 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location buildErr9REQUIRES_VIOLATION [2021-10-13 07:22:49,497 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location buildErr10REQUIRES_VIOLATION [2021-10-13 07:22:49,497 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location buildErr11REQUIRES_VIOLATION [2021-10-13 07:22:49,497 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location buildErr12REQUIRES_VIOLATION [2021-10-13 07:22:49,497 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location buildErr13REQUIRES_VIOLATION [2021-10-13 07:22:49,498 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0REQUIRES_VIOLATION [2021-10-13 07:22:49,498 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1REQUIRES_VIOLATION [2021-10-13 07:22:49,498 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2REQUIRES_VIOLATION [2021-10-13 07:22:49,498 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3REQUIRES_VIOLATION [2021-10-13 07:22:49,498 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4REQUIRES_VIOLATION [2021-10-13 07:22:49,498 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5REQUIRES_VIOLATION [2021-10-13 07:22:49,499 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6REQUIRES_VIOLATION [2021-10-13 07:22:49,499 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7REQUIRES_VIOLATION [2021-10-13 07:22:49,499 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-13 07:22:49,499 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION [2021-10-13 07:22:49,499 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location deleteErr0REQUIRES_VIOLATION [2021-10-13 07:22:49,499 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location deleteErr1REQUIRES_VIOLATION [2021-10-13 07:22:49,500 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location deleteErr10REQUIRES_VIOLATION [2021-10-13 07:22:49,500 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location deleteErr11REQUIRES_VIOLATION [2021-10-13 07:22:49,500 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location deleteErr2REQUIRES_VIOLATION [2021-10-13 07:22:49,500 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location deleteErr3REQUIRES_VIOLATION [2021-10-13 07:22:49,500 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location deleteErr4ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 07:22:49,501 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location deleteErr12ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 07:22:49,501 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location deleteErr5ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 07:22:49,501 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location deleteErr13ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 07:22:49,501 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location deleteErr6ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 07:22:49,501 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location deleteErr14ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 07:22:49,502 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location deleteErr7ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 07:22:49,502 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location deleteErr8ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 07:22:49,502 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location deleteErr9ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 07:22:49,502 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location buildErr0REQUIRES_VIOLATION [2021-10-13 07:22:49,502 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location buildErr1REQUIRES_VIOLATION [2021-10-13 07:22:49,503 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location buildErr2REQUIRES_VIOLATION [2021-10-13 07:22:49,503 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location buildErr3REQUIRES_VIOLATION [2021-10-13 07:22:49,503 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location buildErr4REQUIRES_VIOLATION [2021-10-13 07:22:49,503 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location buildErr5REQUIRES_VIOLATION [2021-10-13 07:22:49,503 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location buildErr6REQUIRES_VIOLATION [2021-10-13 07:22:49,508 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location buildErr7REQUIRES_VIOLATION [2021-10-13 07:22:49,509 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location buildErr8REQUIRES_VIOLATION [2021-10-13 07:22:49,509 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location buildErr9REQUIRES_VIOLATION [2021-10-13 07:22:49,509 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location buildErr10REQUIRES_VIOLATION [2021-10-13 07:22:49,509 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location buildErr11REQUIRES_VIOLATION [2021-10-13 07:22:49,509 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location buildErr12REQUIRES_VIOLATION [2021-10-13 07:22:49,509 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location buildErr13REQUIRES_VIOLATION [2021-10-13 07:22:49,510 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location deleteErr0REQUIRES_VIOLATION [2021-10-13 07:22:49,510 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location deleteErr1REQUIRES_VIOLATION [2021-10-13 07:22:49,510 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location deleteErr10REQUIRES_VIOLATION [2021-10-13 07:22:49,510 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location deleteErr11REQUIRES_VIOLATION [2021-10-13 07:22:49,510 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location deleteErr2REQUIRES_VIOLATION [2021-10-13 07:22:49,511 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location deleteErr3REQUIRES_VIOLATION [2021-10-13 07:22:49,511 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location deleteErr4ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 07:22:49,511 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location deleteErr12ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 07:22:49,511 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location deleteErr5ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 07:22:49,511 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location deleteErr13ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 07:22:49,512 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location deleteErr6ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 07:22:49,512 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location deleteErr14ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 07:22:49,512 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location deleteErr7ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 07:22:49,512 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location deleteErr8ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 07:22:49,512 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location deleteErr9ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 07:22:49,533 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cf700-e49f-4c93-9892-590e0983acc2/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (23)] Forceful destruction successful, exit code 0 [2021-10-13 07:22:49,727 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cf700-e49f-4c93-9892-590e0983acc2/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:22:49,733 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-13 07:22:49,733 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 07:22:49,788 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 07:22:49 BasicIcfg [2021-10-13 07:22:49,788 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 07:22:49,789 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 07:22:49,789 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 07:22:49,789 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 07:22:49,789 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:20:33" (3/4) ... [2021-10-13 07:22:49,791 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-13 07:22:49,792 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 07:22:49,793 INFO L168 Benchmark]: Toolchain (without parser) took 138671.01 ms. Allocated memory was 73.4 MB in the beginning and 109.1 MB in the end (delta: 35.7 MB). Free memory was 56.1 MB in the beginning and 73.8 MB in the end (delta: -17.7 MB). Peak memory consumption was 16.7 MB. Max. memory is 16.1 GB. [2021-10-13 07:22:49,793 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 73.4 MB. Free memory is still 55.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:22:49,793 INFO L168 Benchmark]: CACSL2BoogieTranslator took 997.34 ms. Allocated memory is still 73.4 MB. Free memory was 55.9 MB in the beginning and 35.0 MB in the end (delta: 20.9 MB). Peak memory consumption was 20.4 MB. Max. memory is 16.1 GB. [2021-10-13 07:22:49,794 INFO L168 Benchmark]: Boogie Procedure Inliner took 108.54 ms. Allocated memory was 73.4 MB in the beginning and 90.2 MB in the end (delta: 16.8 MB). Free memory was 35.0 MB in the beginning and 71.4 MB in the end (delta: -36.4 MB). Peak memory consumption was 5.0 MB. Max. memory is 16.1 GB. [2021-10-13 07:22:49,794 INFO L168 Benchmark]: Boogie Preprocessor took 76.15 ms. Allocated memory is still 90.2 MB. Free memory was 71.4 MB in the beginning and 69.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 07:22:49,794 INFO L168 Benchmark]: RCFGBuilder took 780.26 ms. Allocated memory is still 90.2 MB. Free memory was 69.3 MB in the beginning and 50.9 MB in the end (delta: 18.4 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2021-10-13 07:22:49,795 INFO L168 Benchmark]: TraceAbstraction took 136698.52 ms. Allocated memory was 90.2 MB in the beginning and 109.1 MB in the end (delta: 18.9 MB). Free memory was 50.5 MB in the beginning and 74.8 MB in the end (delta: -24.4 MB). Peak memory consumption was 49.1 MB. Max. memory is 16.1 GB. [2021-10-13 07:22:49,795 INFO L168 Benchmark]: Witness Printer took 3.05 ms. Allocated memory is still 109.1 MB. Free memory is still 73.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:22:49,797 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 73.4 MB. Free memory is still 55.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 997.34 ms. Allocated memory is still 73.4 MB. Free memory was 55.9 MB in the beginning and 35.0 MB in the end (delta: 20.9 MB). Peak memory consumption was 20.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 108.54 ms. Allocated memory was 73.4 MB in the beginning and 90.2 MB in the end (delta: 16.8 MB). Free memory was 35.0 MB in the beginning and 71.4 MB in the end (delta: -36.4 MB). Peak memory consumption was 5.0 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 76.15 ms. Allocated memory is still 90.2 MB. Free memory was 71.4 MB in the beginning and 69.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 780.26 ms. Allocated memory is still 90.2 MB. Free memory was 69.3 MB in the beginning and 50.9 MB in the end (delta: 18.4 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 136698.52 ms. Allocated memory was 90.2 MB in the beginning and 109.1 MB in the end (delta: 18.9 MB). Free memory was 50.5 MB in the beginning and 74.8 MB in the end (delta: -24.4 MB). Peak memory consumption was 49.1 MB. Max. memory is 16.1 GB. * Witness Printer took 3.05 ms. Allocated memory is still 109.1 MB. Free memory is still 73.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 28047.4ms, 146 PlacesBefore, 65 PlacesAfterwards, 145 TransitionsBefore, 63 TransitionsAfterwards, 940 CoEnabledTransitionPairs, 6 FixpointIterations, 42 TrivialSequentialCompositions, 144 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 1 ChoiceCompositions, 192 TotalNumberOfCompositions, 1763 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1256, positive: 1148, positive conditional: 0, positive unconditional: 1148, negative: 108, negative conditional: 0, negative unconditional: 108, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 553, positive: 520, positive conditional: 0, positive unconditional: 520, negative: 33, negative conditional: 0, negative unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 553, positive: 505, positive conditional: 0, positive unconditional: 505, negative: 48, negative conditional: 0, negative unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 48, positive: 15, positive conditional: 0, positive unconditional: 15, negative: 33, negative conditional: 0, negative unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 478, positive: 138, positive conditional: 0, positive unconditional: 138, negative: 340, negative conditional: 0, negative unconditional: 340, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1256, positive: 628, positive conditional: 0, positive unconditional: 628, negative: 75, negative conditional: 0, negative unconditional: 75, unknown: 553, unknown conditional: 0, unknown unconditional: 553] , Statistics on independence cache: Total cache size (in pairs): 29, Positive cache size: 16, Positive conditional cache size: 0, Positive unconditional cache size: 16, Negative cache size: 13, Negative conditional cache size: 0, Negative unconditional cache size: 13 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1069]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 1069. Possible FailurePath: [L1070] 0 pthread_t id1, id2; [L1071] 0 struct item *list = ((void *)0); [L1072] FCALL, FORK 0 pthread_create(&id1, ((void *)0), build, list) [L1048] 1 struct item *list = (struct item *)plist; [L1073] 0 \read(id1) [L1042] 1 struct item *elem = malloc(sizeof *elem); [L1043] EXPR 1 \read(**plist) [L1043] 1 elem->next = *plist [L1044] EXPR 1 elem->next [L1044] EXPR 1 (elem->next) ? elem->next->data : malloc(sizeof *elem) [L1044] EXPR 1 (elem->next) ? elem->next->data : malloc(sizeof *elem) [L1044] 1 elem->data = (elem->next) ? elem->next->data : malloc(sizeof *elem) [L1045] 1 *plist = elem [L1051] COND FALSE 1 !(__VERIFIER_nondet_int()) [L1073] FCALL, JOIN 1 pthread_join(id1, ((void *)0)) [L1074] FCALL, FORK 0 pthread_create(&id2, ((void *)0), delete, list) VAL [plist={0:0}] [L1075] 0 \read(id2) VAL [plist={0:0}] [L1055] 2 struct item *list = (struct item *)plist; [L1056] COND FALSE 2 !(\read(*list)) VAL [list={0:0}, plist={0:0}, plist={0:0}] [L1062] COND FALSE 2 !(\read(*list)) [L1075] FCALL, JOIN 2 pthread_join(id2, ((void *)0)) VAL [\result={0:0}, list={0:0}, plist={0:0}, plist={0:0}] [L1076] 0 return 0; [L1076] 0 return 0; [L1076] 0 return 0; - UnprovableResult [Line: 1043]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1043]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1043]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1043]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1044]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1044]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1044]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1044]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1044]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1044]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1044]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1044]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1045]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1045]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1072]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1072]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1073]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1073]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1074]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1074]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1075]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1075]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1072]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 1074]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 1057]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1057]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1063]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1063]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1058]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1058]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1058]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1064]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1058]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1064]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1058]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1064]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1059]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1059]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1059]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 232 locations, 69 error locations. Started 1 CEGAR loops. OverallTime: 136388.9ms, OverallIterations: 18, TraceHistogramMax: 2, EmptinessCheckTime: 17.3ms, AutomataDifference: 36644.9ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 28124.8ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 340 SDtfs, 1291 SDslu, 289 SDs, 0 SdLazy, 1207 SolverSat, 234 SolverUnsat, 4 SolverUnknown, 0 SolverNotchecked, 15269.6ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 317 GetRequests, 196 SyntacticMatches, 14 SemanticMatches, 107 ConstructedPredicates, 3 IntricatePredicates, 1 DeprecatedPredicates, 373 ImplicationChecksByTransitivity, 68563.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=170occurred in iteration=0, InterpolantAutomatonStates: 85, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 158.4ms AutomataMinimizationTime, 17 MinimizatonAttempts, 525 StatesRemovedByMinimization, 14 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 237.8ms SsaConstructionTime, 1579.7ms SatisfiabilityAnalysisTime, 62423.2ms InterpolantComputationTime, 181 NumberOfCodeBlocks, 181 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 286 ConstructedInterpolants, 60 QuantifiedInterpolants, 3388 SizeOfPredicates, 139 NumberOfNonLiveVariables, 1766 ConjunctsInSsa, 220 ConjunctsInUnsatCore, 42 InterpolantComputations, 30 PerfectInterpolantSequences, 12/24 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-10-13 07:22:49,846 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_219cf700-e49f-4c93-9892-590e0983acc2/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...