./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/memsafety/test-memleak_nexttime.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfac3b34-1aa0-42b5-95f2-c3daa9d0c8da/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfac3b34-1aa0-42b5-95f2-c3daa9d0c8da/bin/utaipan-SDwSMHVbGG/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfac3b34-1aa0-42b5-95f2-c3daa9d0c8da/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfac3b34-1aa0-42b5-95f2-c3daa9d0c8da/bin/utaipan-SDwSMHVbGG/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/test-memleak_nexttime.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfac3b34-1aa0-42b5-95f2-c3daa9d0c8da/bin/utaipan-SDwSMHVbGG/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfac3b34-1aa0-42b5-95f2-c3daa9d0c8da/bin/utaipan-SDwSMHVbGG --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 0176377c3fa036d8b42b70bf41d842353f196a854b997aa0bf5f176a7ad1942b ............................................................................................................................................. 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_cfac3b34-1aa0-42b5-95f2-c3daa9d0c8da/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfac3b34-1aa0-42b5-95f2-c3daa9d0c8da/bin/utaipan-SDwSMHVbGG/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfac3b34-1aa0-42b5-95f2-c3daa9d0c8da/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfac3b34-1aa0-42b5-95f2-c3daa9d0c8da/bin/utaipan-SDwSMHVbGG/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/test-memleak_nexttime.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfac3b34-1aa0-42b5-95f2-c3daa9d0c8da/bin/utaipan-SDwSMHVbGG/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfac3b34-1aa0-42b5-95f2-c3daa9d0c8da/bin/utaipan-SDwSMHVbGG --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 0176377c3fa036d8b42b70bf41d842353f196a854b997aa0bf5f176a7ad1942b ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 04:48:11,426 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 04:48:11,429 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 04:48:11,489 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 04:48:11,490 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 04:48:11,494 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 04:48:11,496 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 04:48:11,500 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 04:48:11,503 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 04:48:11,510 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 04:48:11,511 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 04:48:11,513 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 04:48:11,514 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 04:48:11,517 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 04:48:11,519 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 04:48:11,523 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 04:48:11,525 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 04:48:11,527 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 04:48:11,529 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 04:48:11,538 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 04:48:11,540 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 04:48:11,542 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 04:48:11,545 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 04:48:11,547 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 04:48:11,557 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 04:48:11,558 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 04:48:11,559 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 04:48:11,561 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 04:48:11,562 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 04:48:11,564 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 04:48:11,565 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 04:48:11,566 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 04:48:11,568 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 04:48:11,570 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 04:48:11,573 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 04:48:11,573 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 04:48:11,574 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 04:48:11,574 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 04:48:11,575 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 04:48:11,576 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 04:48:11,578 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 04:48:11,579 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfac3b34-1aa0-42b5-95f2-c3daa9d0c8da/bin/utaipan-SDwSMHVbGG/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2021-10-29 04:48:11,630 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 04:48:11,630 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 04:48:11,633 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 04:48:11,633 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 04:48:11,633 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 04:48:11,634 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 04:48:11,634 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-29 04:48:11,635 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 04:48:11,635 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 04:48:11,635 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-29 04:48:11,637 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-29 04:48:11,637 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 04:48:11,638 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-29 04:48:11,638 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-29 04:48:11,638 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-29 04:48:11,640 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 04:48:11,640 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 04:48:11,641 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 04:48:11,641 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 04:48:11,642 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-29 04:48:11,642 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 04:48:11,642 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 04:48:11,643 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 04:48:11,643 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-29 04:48:11,643 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-29 04:48:11,644 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-29 04:48:11,646 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 04:48:11,646 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 04:48:11,646 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 04:48:11,647 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 04:48:11,647 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 04:48:11,648 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 04:48:11,648 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 04:48:11,649 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 04:48:11,649 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 04:48:11,649 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-29 04:48:11,650 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 04:48:11,650 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 04:48:11,650 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 04:48:11,651 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_cfac3b34-1aa0-42b5-95f2-c3daa9d0c8da/bin/utaipan-SDwSMHVbGG/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfac3b34-1aa0-42b5-95f2-c3daa9d0c8da/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0176377c3fa036d8b42b70bf41d842353f196a854b997aa0bf5f176a7ad1942b [2021-10-29 04:48:12,058 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 04:48:12,084 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 04:48:12,087 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 04:48:12,089 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 04:48:12,090 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 04:48:12,091 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfac3b34-1aa0-42b5-95f2-c3daa9d0c8da/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/memsafety/test-memleak_nexttime.i [2021-10-29 04:48:12,172 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfac3b34-1aa0-42b5-95f2-c3daa9d0c8da/bin/utaipan-SDwSMHVbGG/data/c64aebc5b/85be665b49b64b3baf9bbada0b32cc99/FLAG74cb7a401 [2021-10-29 04:48:12,825 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 04:48:12,833 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfac3b34-1aa0-42b5-95f2-c3daa9d0c8da/sv-benchmarks/c/memsafety/test-memleak_nexttime.i [2021-10-29 04:48:12,858 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfac3b34-1aa0-42b5-95f2-c3daa9d0c8da/bin/utaipan-SDwSMHVbGG/data/c64aebc5b/85be665b49b64b3baf9bbada0b32cc99/FLAG74cb7a401 [2021-10-29 04:48:13,089 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfac3b34-1aa0-42b5-95f2-c3daa9d0c8da/bin/utaipan-SDwSMHVbGG/data/c64aebc5b/85be665b49b64b3baf9bbada0b32cc99 [2021-10-29 04:48:13,092 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 04:48:13,094 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 04:48:13,100 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 04:48:13,101 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 04:48:13,105 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 04:48:13,106 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:48:13" (1/1) ... [2021-10-29 04:48:13,107 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@477b9c84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:48:13, skipping insertion in model container [2021-10-29 04:48:13,108 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:48:13" (1/1) ... [2021-10-29 04:48:13,116 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 04:48:13,171 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 04:48:13,674 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:48:13,698 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) [2021-10-29 04:48:13,699 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5f369668 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:48:13, skipping insertion in model container [2021-10-29 04:48:13,700 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 04:48:13,700 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-29 04:48:13,703 INFO L168 Benchmark]: Toolchain (without parser) took 606.90 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 46.6 MB in the beginning and 78.3 MB in the end (delta: -31.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 04:48:13,705 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 86.0 MB. Free memory is still 64.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:48:13,707 INFO L168 Benchmark]: CACSL2BoogieTranslator took 599.69 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 46.4 MB in the beginning and 78.3 MB in the end (delta: -31.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 04:48:13,710 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 86.0 MB. Free memory is still 64.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 599.69 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 46.4 MB in the beginning and 78.3 MB in the end (delta: -31.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 643]: 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-b2eff8b [2021-10-29 04:48:16,378 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 04:48:16,382 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 04:48:16,448 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 04:48:16,448 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 04:48:16,451 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 04:48:16,453 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 04:48:16,456 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 04:48:16,459 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 04:48:16,460 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 04:48:16,461 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 04:48:16,463 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 04:48:16,463 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 04:48:16,465 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 04:48:16,477 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 04:48:16,483 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 04:48:16,485 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 04:48:16,488 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 04:48:16,494 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 04:48:16,500 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 04:48:16,506 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 04:48:16,508 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 04:48:16,512 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 04:48:16,514 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 04:48:16,521 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 04:48:16,522 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 04:48:16,522 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 04:48:16,525 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 04:48:16,526 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 04:48:16,528 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 04:48:16,528 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 04:48:16,529 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 04:48:16,531 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 04:48:16,533 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 04:48:16,534 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 04:48:16,535 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 04:48:16,536 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 04:48:16,536 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 04:48:16,537 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 04:48:16,539 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 04:48:16,540 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 04:48:16,541 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfac3b34-1aa0-42b5-95f2-c3daa9d0c8da/bin/utaipan-SDwSMHVbGG/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2021-10-29 04:48:16,595 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 04:48:16,595 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 04:48:16,597 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 04:48:16,597 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 04:48:16,598 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 04:48:16,598 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 04:48:16,598 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 04:48:16,599 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 04:48:16,599 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 04:48:16,600 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 04:48:16,602 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 04:48:16,602 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 04:48:16,602 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 04:48:16,603 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-29 04:48:16,603 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 04:48:16,603 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 04:48:16,603 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 04:48:16,604 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-29 04:48:16,604 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-29 04:48:16,604 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-29 04:48:16,604 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 04:48:16,605 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 04:48:16,605 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-29 04:48:16,605 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-29 04:48:16,605 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 04:48:16,606 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 04:48:16,606 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 04:48:16,606 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-29 04:48:16,607 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 04:48:16,607 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 04:48:16,607 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 04:48:16,607 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 04:48:16,608 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-29 04:48:16,608 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-29 04:48:16,608 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 04:48:16,609 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 04:48:16,609 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_cfac3b34-1aa0-42b5-95f2-c3daa9d0c8da/bin/utaipan-SDwSMHVbGG/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfac3b34-1aa0-42b5-95f2-c3daa9d0c8da/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0176377c3fa036d8b42b70bf41d842353f196a854b997aa0bf5f176a7ad1942b [2021-10-29 04:48:17,020 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 04:48:17,053 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 04:48:17,058 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 04:48:17,060 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 04:48:17,060 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 04:48:17,062 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfac3b34-1aa0-42b5-95f2-c3daa9d0c8da/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/memsafety/test-memleak_nexttime.i [2021-10-29 04:48:17,164 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfac3b34-1aa0-42b5-95f2-c3daa9d0c8da/bin/utaipan-SDwSMHVbGG/data/a66aed340/8cf475c16284421d889b0b8e4e85db66/FLAG8910e335a [2021-10-29 04:48:17,914 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 04:48:17,916 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfac3b34-1aa0-42b5-95f2-c3daa9d0c8da/sv-benchmarks/c/memsafety/test-memleak_nexttime.i [2021-10-29 04:48:17,939 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfac3b34-1aa0-42b5-95f2-c3daa9d0c8da/bin/utaipan-SDwSMHVbGG/data/a66aed340/8cf475c16284421d889b0b8e4e85db66/FLAG8910e335a [2021-10-29 04:48:18,160 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfac3b34-1aa0-42b5-95f2-c3daa9d0c8da/bin/utaipan-SDwSMHVbGG/data/a66aed340/8cf475c16284421d889b0b8e4e85db66 [2021-10-29 04:48:18,165 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 04:48:18,167 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 04:48:18,170 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 04:48:18,170 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 04:48:18,174 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 04:48:18,175 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:48:18" (1/1) ... [2021-10-29 04:48:18,178 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@480c85b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:48:18, skipping insertion in model container [2021-10-29 04:48:18,179 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:48:18" (1/1) ... [2021-10-29 04:48:18,188 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 04:48:18,256 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 04:48:18,819 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:48:18,846 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-29 04:48:18,858 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 04:48:18,915 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:48:18,932 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 04:48:18,995 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:48:19,080 INFO L208 MainTranslator]: Completed translation [2021-10-29 04:48:19,080 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:48:19 WrapperNode [2021-10-29 04:48:19,081 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 04:48:19,082 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 04:48:19,082 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 04:48:19,083 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 04:48:19,091 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:48:19" (1/1) ... [2021-10-29 04:48:19,141 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:48:19" (1/1) ... [2021-10-29 04:48:19,189 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 04:48:19,190 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 04:48:19,191 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 04:48:19,191 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 04:48:19,202 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:48:19" (1/1) ... [2021-10-29 04:48:19,203 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:48:19" (1/1) ... [2021-10-29 04:48:19,227 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:48:19" (1/1) ... [2021-10-29 04:48:19,227 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:48:19" (1/1) ... [2021-10-29 04:48:19,240 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:48:19" (1/1) ... [2021-10-29 04:48:19,258 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:48:19" (1/1) ... [2021-10-29 04:48:19,262 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:48:19" (1/1) ... [2021-10-29 04:48:19,273 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 04:48:19,275 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 04:48:19,280 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 04:48:19,281 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 04:48:19,282 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:48:19" (1/1) ... [2021-10-29 04:48:19,291 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 04:48:19,313 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfac3b34-1aa0-42b5-95f2-c3daa9d0c8da/bin/utaipan-SDwSMHVbGG/z3 [2021-10-29 04:48:19,327 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfac3b34-1aa0-42b5-95f2-c3daa9d0c8da/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-29 04:48:19,347 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfac3b34-1aa0-42b5-95f2-c3daa9d0c8da/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-29 04:48:19,411 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-10-29 04:48:19,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-10-29 04:48:19,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-10-29 04:48:19,412 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-29 04:48:19,412 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 04:48:19,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-29 04:48:19,412 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-29 04:48:19,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-10-29 04:48:19,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-29 04:48:19,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-10-29 04:48:19,413 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 04:48:19,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 04:48:19,988 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 04:48:19,988 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-10-29 04:48:19,990 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:48:19 BoogieIcfgContainer [2021-10-29 04:48:19,991 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 04:48:19,993 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-29 04:48:19,993 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-29 04:48:19,996 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-29 04:48:19,996 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 04:48:18" (1/3) ... [2021-10-29 04:48:19,997 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34c5aeec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 04:48:19, skipping insertion in model container [2021-10-29 04:48:19,997 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:48:19" (2/3) ... [2021-10-29 04:48:19,998 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34c5aeec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 04:48:19, skipping insertion in model container [2021-10-29 04:48:19,998 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:48:19" (3/3) ... [2021-10-29 04:48:20,000 INFO L111 eAbstractionObserver]: Analyzing ICFG test-memleak_nexttime.i [2021-10-29 04:48:20,006 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-29 04:48:20,006 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 14 error locations. [2021-10-29 04:48:20,068 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-29 04:48:20,079 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, mAutomataTypeConcurrency=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 [2021-10-29 04:48:20,080 INFO L340 AbstractCegarLoop]: Starting to check reachability of 14 error locations. [2021-10-29 04:48:20,100 INFO L276 IsEmpty]: Start isEmpty. Operand has 38 states, 23 states have (on average 1.7826086956521738) internal successors, (41), 37 states have internal predecessors, (41), 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) [2021-10-29 04:48:20,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-10-29 04:48:20,126 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 04:48:20,128 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-10-29 04:48:20,129 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 11 more)] === [2021-10-29 04:48:20,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:48:20,137 INFO L85 PathProgramCache]: Analyzing trace with hash 29856, now seen corresponding path program 1 times [2021-10-29 04:48:20,152 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 04:48:20,152 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1433729960] [2021-10-29 04:48:20,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 04:48:20,154 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 04:48:20,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfac3b34-1aa0-42b5-95f2-c3daa9d0c8da/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 04:48:20,158 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfac3b34-1aa0-42b5-95f2-c3daa9d0c8da/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 04:48:20,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfac3b34-1aa0-42b5-95f2-c3daa9d0c8da/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-29 04:48:20,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:48:20,304 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-29 04:48:20,308 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:48:20,490 INFO L354 Elim1Store]: treesize reduction 77, result has 29.4 percent of original size [2021-10-29 04:48:20,491 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 3 case distinctions, treesize of input 15 treesize of output 37 [2021-10-29 04:48:20,841 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 27 treesize of output 23 [2021-10-29 04:48:20,925 INFO L354 Elim1Store]: treesize reduction 42, result has 33.3 percent of original size [2021-10-29 04:48:20,926 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 4 case distinctions, treesize of input 23 treesize of output 35 [2021-10-29 04:48:21,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:48:21,013 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 04:48:21,081 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 24 treesize of output 20 [2021-10-29 04:48:23,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:48:23,167 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 04:48:23,167 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1433729960] [2021-10-29 04:48:23,168 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1433729960] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 04:48:23,168 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 04:48:23,169 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 4 [2021-10-29 04:48:23,170 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [581325255] [2021-10-29 04:48:23,175 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-29 04:48:23,176 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 04:48:23,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-29 04:48:23,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=18, Unknown=1, NotChecked=0, Total=30 [2021-10-29 04:48:23,201 INFO L87 Difference]: Start difference. First operand has 38 states, 23 states have (on average 1.7826086956521738) internal successors, (41), 37 states have internal predecessors, (41), 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 6 states, 5 states have (on average 1.2) internal successors, (6), 5 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) [2021-10-29 04:48:23,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 04:48:23,553 INFO L93 Difference]: Finished difference Result 36 states and 39 transitions. [2021-10-29 04:48:23,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-29 04:48:23,555 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.2) internal successors, (6), 5 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 3 [2021-10-29 04:48:23,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 04:48:23,564 INFO L225 Difference]: With dead ends: 36 [2021-10-29 04:48:23,564 INFO L226 Difference]: Without dead ends: 34 [2021-10-29 04:48:23,566 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=17, Invalid=24, Unknown=1, NotChecked=0, Total=42 [2021-10-29 04:48:23,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2021-10-29 04:48:23,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2021-10-29 04:48:23,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 22 states have (on average 1.6818181818181819) internal successors, (37), 33 states have internal predecessors, (37), 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) [2021-10-29 04:48:23,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 37 transitions. [2021-10-29 04:48:23,606 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 37 transitions. Word has length 3 [2021-10-29 04:48:23,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 04:48:23,607 INFO L470 AbstractCegarLoop]: Abstraction has 34 states and 37 transitions. [2021-10-29 04:48:23,607 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.2) internal successors, (6), 5 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) [2021-10-29 04:48:23,607 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 37 transitions. [2021-10-29 04:48:23,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-29 04:48:23,608 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 04:48:23,608 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-10-29 04:48:23,626 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfac3b34-1aa0-42b5-95f2-c3daa9d0c8da/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-29 04:48:23,820 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfac3b34-1aa0-42b5-95f2-c3daa9d0c8da/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 04:48:23,821 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 11 more)] === [2021-10-29 04:48:23,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:48:23,821 INFO L85 PathProgramCache]: Analyzing trace with hash 925572, now seen corresponding path program 1 times [2021-10-29 04:48:23,822 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 04:48:23,822 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2053798185] [2021-10-29 04:48:23,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 04:48:23,823 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 04:48:23,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfac3b34-1aa0-42b5-95f2-c3daa9d0c8da/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 04:48:23,824 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfac3b34-1aa0-42b5-95f2-c3daa9d0c8da/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 04:48:23,827 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfac3b34-1aa0-42b5-95f2-c3daa9d0c8da/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-29 04:48:23,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:48:23,897 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-29 04:48:23,898 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:48:23,916 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 13 treesize of output 9 [2021-10-29 04:48:23,940 INFO L354 Elim1Store]: treesize reduction 12, result has 40.0 percent of original size [2021-10-29 04:48:23,941 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 14 [2021-10-29 04:48:23,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:48:23,991 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 04:48:24,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:48:24,033 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 04:48:24,033 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2053798185] [2021-10-29 04:48:24,034 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2053798185] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 04:48:24,034 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 04:48:24,034 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-29 04:48:24,035 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024431594] [2021-10-29 04:48:24,036 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-29 04:48:24,037 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 04:48:24,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-29 04:48:24,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 04:48:24,041 INFO L87 Difference]: Start difference. First operand 34 states and 37 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) [2021-10-29 04:48:24,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 04:48:24,157 INFO L93 Difference]: Finished difference Result 33 states and 36 transitions. [2021-10-29 04:48:24,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 04:48:24,158 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 [2021-10-29 04:48:24,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 04:48:24,159 INFO L225 Difference]: With dead ends: 33 [2021-10-29 04:48:24,159 INFO L226 Difference]: Without dead ends: 33 [2021-10-29 04:48:24,160 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 04:48:24,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2021-10-29 04:48:24,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2021-10-29 04:48:24,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 22 states have (on average 1.6363636363636365) internal successors, (36), 32 states have internal predecessors, (36), 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) [2021-10-29 04:48:24,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 36 transitions. [2021-10-29 04:48:24,168 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 36 transitions. Word has length 4 [2021-10-29 04:48:24,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 04:48:24,169 INFO L470 AbstractCegarLoop]: Abstraction has 33 states and 36 transitions. [2021-10-29 04:48:24,169 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) [2021-10-29 04:48:24,170 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 36 transitions. [2021-10-29 04:48:24,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-29 04:48:24,172 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 04:48:24,172 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2021-10-29 04:48:24,190 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfac3b34-1aa0-42b5-95f2-c3daa9d0c8da/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-29 04:48:24,386 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfac3b34-1aa0-42b5-95f2-c3daa9d0c8da/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 04:48:24,386 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 11 more)] === [2021-10-29 04:48:24,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:48:24,387 INFO L85 PathProgramCache]: Analyzing trace with hash 28692770, now seen corresponding path program 1 times [2021-10-29 04:48:24,388 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 04:48:24,388 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [9025946] [2021-10-29 04:48:24,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 04:48:24,389 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 04:48:24,389 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfac3b34-1aa0-42b5-95f2-c3daa9d0c8da/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 04:48:24,394 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfac3b34-1aa0-42b5-95f2-c3daa9d0c8da/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 04:48:24,457 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfac3b34-1aa0-42b5-95f2-c3daa9d0c8da/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-29 04:48:24,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:48:24,521 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-29 04:48:24,522 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:48:24,638 INFO L354 Elim1Store]: treesize reduction 33, result has 40.0 percent of original size [2021-10-29 04:48:24,639 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 28 treesize of output 42 [2021-10-29 04:48:24,759 INFO L354 Elim1Store]: treesize reduction 77, result has 29.4 percent of original size [2021-10-29 04:48:24,760 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 3 case distinctions, treesize of input 42 treesize of output 63 [2021-10-29 04:48:25,200 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 66 treesize of output 62 [2021-10-29 04:48:25,462 INFO L354 Elim1Store]: treesize reduction 85, result has 43.0 percent of original size [2021-10-29 04:48:25,463 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 7 case distinctions, treesize of input 62 treesize of output 115 [2021-10-29 04:48:25,588 INFO L354 Elim1Store]: treesize reduction 7, result has 85.7 percent of original size [2021-10-29 04:48:25,589 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 112 treesize of output 145 [2021-10-29 04:48:28,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:48:28,618 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 04:48:28,750 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 30 treesize of output 26 [2021-10-29 04:48:28,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:48:28,861 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 04:48:28,862 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [9025946] [2021-10-29 04:48:28,862 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [9025946] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 04:48:28,862 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 04:48:28,862 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 4 [2021-10-29 04:48:28,862 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1066997555] [2021-10-29 04:48:28,864 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-29 04:48:28,864 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 04:48:28,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-29 04:48:28,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-29 04:48:28,866 INFO L87 Difference]: Start difference. First operand 33 states and 36 transitions. Second operand has 6 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:48:34,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 04:48:34,079 INFO L93 Difference]: Finished difference Result 31 states and 34 transitions. [2021-10-29 04:48:34,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-29 04:48:34,081 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2021-10-29 04:48:34,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 04:48:34,082 INFO L225 Difference]: With dead ends: 31 [2021-10-29 04:48:34,082 INFO L226 Difference]: Without dead ends: 31 [2021-10-29 04:48:34,083 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-10-29 04:48:34,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2021-10-29 04:48:34,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2021-10-29 04:48:34,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 22 states have (on average 1.5454545454545454) internal successors, (34), 30 states have internal predecessors, (34), 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) [2021-10-29 04:48:34,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 34 transitions. [2021-10-29 04:48:34,087 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 34 transitions. Word has length 5 [2021-10-29 04:48:34,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 04:48:34,088 INFO L470 AbstractCegarLoop]: Abstraction has 31 states and 34 transitions. [2021-10-29 04:48:34,088 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:48:34,088 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 34 transitions. [2021-10-29 04:48:34,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-29 04:48:34,089 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 04:48:34,089 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-10-29 04:48:34,112 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfac3b34-1aa0-42b5-95f2-c3daa9d0c8da/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-29 04:48:34,311 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfac3b34-1aa0-42b5-95f2-c3daa9d0c8da/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 04:48:34,312 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 11 more)] === [2021-10-29 04:48:34,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:48:34,313 INFO L85 PathProgramCache]: Analyzing trace with hash 889475910, now seen corresponding path program 1 times [2021-10-29 04:48:34,313 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 04:48:34,313 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [841508537] [2021-10-29 04:48:34,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 04:48:34,313 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 04:48:34,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfac3b34-1aa0-42b5-95f2-c3daa9d0c8da/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 04:48:34,314 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfac3b34-1aa0-42b5-95f2-c3daa9d0c8da/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 04:48:34,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfac3b34-1aa0-42b5-95f2-c3daa9d0c8da/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-29 04:48:34,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:48:34,405 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-29 04:48:34,406 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:48:34,451 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 28 treesize of output 20 [2021-10-29 04:48:34,486 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-10-29 04:48:34,487 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 1 case distinctions, treesize of input 20 treesize of output 21 [2021-10-29 04:48:34,499 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 22 treesize of output 20 [2021-10-29 04:48:34,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:48:34,669 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 04:48:34,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:48:34,838 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 04:48:34,838 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [841508537] [2021-10-29 04:48:34,839 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [841508537] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 04:48:34,839 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 04:48:34,839 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-29 04:48:34,839 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [614372621] [2021-10-29 04:48:34,840 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-29 04:48:34,840 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 04:48:34,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-29 04:48:34,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 04:48:34,841 INFO L87 Difference]: Start difference. First operand 31 states and 34 transitions. Second operand has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 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) [2021-10-29 04:48:35,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 04:48:35,045 INFO L93 Difference]: Finished difference Result 30 states and 33 transitions. [2021-10-29 04:48:35,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-29 04:48:35,046 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 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 6 [2021-10-29 04:48:35,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 04:48:35,046 INFO L225 Difference]: With dead ends: 30 [2021-10-29 04:48:35,047 INFO L226 Difference]: Without dead ends: 30 [2021-10-29 04:48:35,047 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 04:48:35,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2021-10-29 04:48:35,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2021-10-29 04:48:35,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 22 states have (on average 1.5) internal successors, (33), 29 states have internal predecessors, (33), 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) [2021-10-29 04:48:35,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 33 transitions. [2021-10-29 04:48:35,051 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 33 transitions. Word has length 6 [2021-10-29 04:48:35,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 04:48:35,052 INFO L470 AbstractCegarLoop]: Abstraction has 30 states and 33 transitions. [2021-10-29 04:48:35,052 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 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) [2021-10-29 04:48:35,052 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 33 transitions. [2021-10-29 04:48:35,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-29 04:48:35,053 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 04:48:35,053 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 04:48:35,066 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfac3b34-1aa0-42b5-95f2-c3daa9d0c8da/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-29 04:48:35,261 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfac3b34-1aa0-42b5-95f2-c3daa9d0c8da/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 04:48:35,262 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 11 more)] === [2021-10-29 04:48:35,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:48:35,262 INFO L85 PathProgramCache]: Analyzing trace with hash -811376880, now seen corresponding path program 1 times [2021-10-29 04:48:35,263 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 04:48:35,263 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1642949230] [2021-10-29 04:48:35,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 04:48:35,263 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 04:48:35,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfac3b34-1aa0-42b5-95f2-c3daa9d0c8da/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 04:48:35,264 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfac3b34-1aa0-42b5-95f2-c3daa9d0c8da/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 04:48:35,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfac3b34-1aa0-42b5-95f2-c3daa9d0c8da/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-29 04:48:35,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:48:35,394 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-29 04:48:35,396 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:48:35,503 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:48:35,503 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 04:48:35,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:48:35,623 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 04:48:35,623 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1642949230] [2021-10-29 04:48:35,623 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1642949230] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 04:48:35,624 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 04:48:35,624 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-10-29 04:48:35,624 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1903958038] [2021-10-29 04:48:35,625 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-29 04:48:35,625 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 04:48:35,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-29 04:48:35,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-10-29 04:48:35,626 INFO L87 Difference]: Start difference. First operand 30 states and 33 transitions. Second operand has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 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) [2021-10-29 04:48:35,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 04:48:35,861 INFO L93 Difference]: Finished difference Result 34 states and 37 transitions. [2021-10-29 04:48:35,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-29 04:48:35,863 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 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 12 [2021-10-29 04:48:35,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 04:48:35,863 INFO L225 Difference]: With dead ends: 34 [2021-10-29 04:48:35,864 INFO L226 Difference]: Without dead ends: 34 [2021-10-29 04:48:35,864 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2021-10-29 04:48:35,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2021-10-29 04:48:35,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2021-10-29 04:48:35,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 26 states have (on average 1.4230769230769231) internal successors, (37), 33 states have internal predecessors, (37), 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) [2021-10-29 04:48:35,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 37 transitions. [2021-10-29 04:48:35,872 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 37 transitions. Word has length 12 [2021-10-29 04:48:35,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 04:48:35,873 INFO L470 AbstractCegarLoop]: Abstraction has 34 states and 37 transitions. [2021-10-29 04:48:35,875 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 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) [2021-10-29 04:48:35,875 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 37 transitions. [2021-10-29 04:48:35,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-29 04:48:35,876 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 04:48:35,876 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 04:48:35,894 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfac3b34-1aa0-42b5-95f2-c3daa9d0c8da/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-29 04:48:36,094 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfac3b34-1aa0-42b5-95f2-c3daa9d0c8da/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 04:48:36,094 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 11 more)] === [2021-10-29 04:48:36,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:48:36,095 INFO L85 PathProgramCache]: Analyzing trace with hash -277697776, now seen corresponding path program 1 times [2021-10-29 04:48:36,095 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 04:48:36,095 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1104491463] [2021-10-29 04:48:36,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 04:48:36,095 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 04:48:36,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfac3b34-1aa0-42b5-95f2-c3daa9d0c8da/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 04:48:36,097 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfac3b34-1aa0-42b5-95f2-c3daa9d0c8da/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 04:48:36,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfac3b34-1aa0-42b5-95f2-c3daa9d0c8da/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-29 04:48:36,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:48:36,194 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-29 04:48:36,196 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:48:36,402 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:48:36,402 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 04:48:36,647 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:48:36,648 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 04:48:36,648 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1104491463] [2021-10-29 04:48:36,648 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1104491463] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-29 04:48:36,649 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1560727617] [2021-10-29 04:48:36,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 04:48:36,649 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-29 04:48:36,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfac3b34-1aa0-42b5-95f2-c3daa9d0c8da/bin/utaipan-SDwSMHVbGG/cvc4 [2021-10-29 04:48:36,654 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfac3b34-1aa0-42b5-95f2-c3daa9d0c8da/bin/utaipan-SDwSMHVbGG/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-29 04:48:36,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfac3b34-1aa0-42b5-95f2-c3daa9d0c8da/bin/utaipan-SDwSMHVbGG/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2021-10-29 04:48:36,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:48:36,828 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-29 04:48:36,829 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:48:36,932 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:48:36,933 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 04:48:37,018 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:48:37,019 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1560727617] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-29 04:48:37,019 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [524280638] [2021-10-29 04:48:37,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 04:48:37,019 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-29 04:48:37,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfac3b34-1aa0-42b5-95f2-c3daa9d0c8da/bin/utaipan-SDwSMHVbGG/z3 [2021-10-29 04:48:37,022 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfac3b34-1aa0-42b5-95f2-c3daa9d0c8da/bin/utaipan-SDwSMHVbGG/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-29 04:48:37,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfac3b34-1aa0-42b5-95f2-c3daa9d0c8da/bin/utaipan-SDwSMHVbGG/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-10-29 04:48:37,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:48:37,143 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-29 04:48:37,144 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:48:37,283 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-29 04:48:37,283 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 04:48:37,420 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-29 04:48:37,420 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [524280638] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 04:48:37,420 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 4 imperfect interpolant sequences. [2021-10-29 04:48:37,420 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [6, 6, 6, 6] total 13 [2021-10-29 04:48:37,420 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [384669552] [2021-10-29 04:48:37,421 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-29 04:48:37,421 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 04:48:37,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-29 04:48:37,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2021-10-29 04:48:37,423 INFO L87 Difference]: Start difference. First operand 34 states and 37 transitions. Second operand has 6 states, 6 states have (on average 3.5) internal successors, (21), 6 states have internal predecessors, (21), 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) [2021-10-29 04:48:37,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 04:48:37,561 INFO L93 Difference]: Finished difference Result 36 states and 39 transitions. [2021-10-29 04:48:37,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-29 04:48:37,562 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.5) internal successors, (21), 6 states have internal predecessors, (21), 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 [2021-10-29 04:48:37,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 04:48:37,563 INFO L225 Difference]: With dead ends: 36 [2021-10-29 04:48:37,563 INFO L226 Difference]: Without dead ends: 36 [2021-10-29 04:48:37,564 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2021-10-29 04:48:37,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2021-10-29 04:48:37,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2021-10-29 04:48:37,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 28 states have (on average 1.3928571428571428) internal successors, (39), 35 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:48:37,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 39 transitions. [2021-10-29 04:48:37,569 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 39 transitions. Word has length 14 [2021-10-29 04:48:37,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 04:48:37,570 INFO L470 AbstractCegarLoop]: Abstraction has 36 states and 39 transitions. [2021-10-29 04:48:37,570 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.5) internal successors, (21), 6 states have internal predecessors, (21), 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) [2021-10-29 04:48:37,570 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 39 transitions. [2021-10-29 04:48:37,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-29 04:48:37,571 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 04:48:37,571 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 04:48:37,585 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfac3b34-1aa0-42b5-95f2-c3daa9d0c8da/bin/utaipan-SDwSMHVbGG/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2021-10-29 04:48:37,809 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfac3b34-1aa0-42b5-95f2-c3daa9d0c8da/bin/utaipan-SDwSMHVbGG/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-10-29 04:48:37,994 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfac3b34-1aa0-42b5-95f2-c3daa9d0c8da/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (7)] Ended with exit code 0 [2021-10-29 04:48:38,181 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfac3b34-1aa0-42b5-95f2-c3daa9d0c8da/bin/utaipan-SDwSMHVbGG/cvc4 --incremental --print-success --lang smt,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfac3b34-1aa0-42b5-95f2-c3daa9d0c8da/bin/utaipan-SDwSMHVbGG/z3 -smt2 -in SMTLIB2_COMPLIANT=true,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfac3b34-1aa0-42b5-95f2-c3daa9d0c8da/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 04:48:38,182 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 11 more)] === [2021-10-29 04:48:38,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:48:38,182 INFO L85 PathProgramCache]: Analyzing trace with hash -77863314, now seen corresponding path program 1 times [2021-10-29 04:48:38,183 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 04:48:38,183 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1422258742] [2021-10-29 04:48:38,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 04:48:38,183 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 04:48:38,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfac3b34-1aa0-42b5-95f2-c3daa9d0c8da/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 04:48:38,185 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfac3b34-1aa0-42b5-95f2-c3daa9d0c8da/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 04:48:38,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfac3b34-1aa0-42b5-95f2-c3daa9d0c8da/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-10-29 04:48:38,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:48:38,329 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-29 04:48:38,330 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:48:38,513 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-29 04:48:38,514 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 04:48:38,726 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-29 04:48:38,727 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 04:48:38,727 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1422258742] [2021-10-29 04:48:38,727 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1422258742] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-29 04:48:38,727 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1730735302] [2021-10-29 04:48:38,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 04:48:38,727 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-29 04:48:38,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfac3b34-1aa0-42b5-95f2-c3daa9d0c8da/bin/utaipan-SDwSMHVbGG/cvc4 [2021-10-29 04:48:38,728 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfac3b34-1aa0-42b5-95f2-c3daa9d0c8da/bin/utaipan-SDwSMHVbGG/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-29 04:48:38,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfac3b34-1aa0-42b5-95f2-c3daa9d0c8da/bin/utaipan-SDwSMHVbGG/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2021-10-29 04:48:38,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:48:38,928 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-29 04:48:38,929 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:48:39,050 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-29 04:48:39,050 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 04:48:39,128 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-29 04:48:39,128 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1730735302] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-29 04:48:39,128 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2068921536] [2021-10-29 04:48:39,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 04:48:39,128 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-29 04:48:39,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfac3b34-1aa0-42b5-95f2-c3daa9d0c8da/bin/utaipan-SDwSMHVbGG/z3 [2021-10-29 04:48:39,129 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfac3b34-1aa0-42b5-95f2-c3daa9d0c8da/bin/utaipan-SDwSMHVbGG/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-29 04:48:39,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfac3b34-1aa0-42b5-95f2-c3daa9d0c8da/bin/utaipan-SDwSMHVbGG/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-10-29 04:48:39,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:48:39,293 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-29 04:48:39,294 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:48:39,408 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-29 04:48:39,408 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 04:48:39,479 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-29 04:48:39,480 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2068921536] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-29 04:48:39,480 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2021-10-29 04:48:39,480 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6, 6, 6, 6] total 10 [2021-10-29 04:48:39,481 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799316588] [2021-10-29 04:48:39,481 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-10-29 04:48:39,482 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 04:48:39,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-29 04:48:39,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2021-10-29 04:48:39,483 INFO L87 Difference]: Start difference. First operand 36 states and 39 transitions. Second operand has 10 states, 10 states have (on average 2.3) internal successors, (23), 10 states have internal predecessors, (23), 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) [2021-10-29 04:48:39,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 04:48:39,890 INFO L93 Difference]: Finished difference Result 40 states and 43 transitions. [2021-10-29 04:48:39,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-29 04:48:39,891 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.3) internal successors, (23), 10 states have internal predecessors, (23), 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 15 [2021-10-29 04:48:39,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 04:48:39,892 INFO L225 Difference]: With dead ends: 40 [2021-10-29 04:48:39,892 INFO L226 Difference]: Without dead ends: 40 [2021-10-29 04:48:39,893 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-10-29 04:48:39,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2021-10-29 04:48:39,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2021-10-29 04:48:39,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 32 states have (on average 1.34375) internal successors, (43), 39 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) [2021-10-29 04:48:39,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 43 transitions. [2021-10-29 04:48:39,898 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 43 transitions. Word has length 15 [2021-10-29 04:48:39,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 04:48:39,898 INFO L470 AbstractCegarLoop]: Abstraction has 40 states and 43 transitions. [2021-10-29 04:48:39,898 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.3) internal successors, (23), 10 states have internal predecessors, (23), 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) [2021-10-29 04:48:39,898 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 43 transitions. [2021-10-29 04:48:39,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-29 04:48:39,899 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 04:48:39,899 INFO L513 BasicCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 04:48:39,902 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfac3b34-1aa0-42b5-95f2-c3daa9d0c8da/bin/utaipan-SDwSMHVbGG/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2021-10-29 04:48:40,108 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfac3b34-1aa0-42b5-95f2-c3daa9d0c8da/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-10-29 04:48:40,321 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfac3b34-1aa0-42b5-95f2-c3daa9d0c8da/bin/utaipan-SDwSMHVbGG/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2021-10-29 04:48:40,500 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfac3b34-1aa0-42b5-95f2-c3daa9d0c8da/bin/utaipan-SDwSMHVbGG/cvc4 --incremental --print-success --lang smt,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfac3b34-1aa0-42b5-95f2-c3daa9d0c8da/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfac3b34-1aa0-42b5-95f2-c3daa9d0c8da/bin/utaipan-SDwSMHVbGG/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-29 04:48:40,500 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 11 more)] === [2021-10-29 04:48:40,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:48:40,501 INFO L85 PathProgramCache]: Analyzing trace with hash -1212605842, now seen corresponding path program 2 times [2021-10-29 04:48:40,501 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 04:48:40,501 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1222648978] [2021-10-29 04:48:40,501 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-29 04:48:40,502 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 04:48:40,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfac3b34-1aa0-42b5-95f2-c3daa9d0c8da/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 04:48:40,503 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfac3b34-1aa0-42b5-95f2-c3daa9d0c8da/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 04:48:40,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfac3b34-1aa0-42b5-95f2-c3daa9d0c8da/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-10-29 04:48:40,656 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-10-29 04:48:40,656 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-29 04:48:40,661 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-29 04:48:40,663 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:48:40,805 INFO L354 Elim1Store]: treesize reduction 77, result has 29.4 percent of original size [2021-10-29 04:48:40,806 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 3 case distinctions, treesize of input 15 treesize of output 37 [2021-10-29 04:48:41,114 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 27 treesize of output 23 [2021-10-29 04:48:41,215 INFO L354 Elim1Store]: treesize reduction 42, result has 33.3 percent of original size [2021-10-29 04:48:41,215 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 4 case distinctions, treesize of input 23 treesize of output 35 [2021-10-29 04:48:41,725 INFO L354 Elim1Store]: treesize reduction 20, result has 28.6 percent of original size [2021-10-29 04:48:41,726 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 28 treesize of output 31 [2021-10-29 04:48:41,898 INFO L354 Elim1Store]: treesize reduction 26, result has 44.7 percent of original size [2021-10-29 04:48:41,898 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 37 treesize of output 52 [2021-10-29 04:48:42,234 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-29 04:48:42,235 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 04:48:44,496 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 47 treesize of output 39 [2021-10-29 04:48:44,546 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-29 04:48:44,546 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 04:48:44,546 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1222648978] [2021-10-29 04:48:44,546 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1222648978] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 04:48:44,546 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 04:48:44,547 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 4] imperfect sequences [] total 8 [2021-10-29 04:48:44,547 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [195021275] [2021-10-29 04:48:44,547 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-10-29 04:48:44,547 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 04:48:44,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-29 04:48:44,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=60, Unknown=1, NotChecked=0, Total=90 [2021-10-29 04:48:44,548 INFO L87 Difference]: Start difference. First operand 40 states and 43 transitions. Second operand has 10 states, 9 states have (on average 3.0) internal successors, (27), 9 states have internal predecessors, (27), 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) [2021-10-29 04:48:57,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 04:48:57,239 INFO L93 Difference]: Finished difference Result 39 states and 42 transitions. [2021-10-29 04:48:57,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-29 04:48:57,240 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.0) internal successors, (27), 9 states have internal predecessors, (27), 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 17 [2021-10-29 04:48:57,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 04:48:57,240 INFO L225 Difference]: With dead ends: 39 [2021-10-29 04:48:57,241 INFO L226 Difference]: Without dead ends: 39 [2021-10-29 04:48:57,241 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 22 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=51, Invalid=104, Unknown=1, NotChecked=0, Total=156 [2021-10-29 04:48:57,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2021-10-29 04:48:57,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2021-10-29 04:48:57,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 32 states have (on average 1.3125) internal successors, (42), 38 states have internal predecessors, (42), 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) [2021-10-29 04:48:57,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 42 transitions. [2021-10-29 04:48:57,246 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 42 transitions. Word has length 17 [2021-10-29 04:48:57,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 04:48:57,246 INFO L470 AbstractCegarLoop]: Abstraction has 39 states and 42 transitions. [2021-10-29 04:48:57,247 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.0) internal successors, (27), 9 states have internal predecessors, (27), 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) [2021-10-29 04:48:57,247 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 42 transitions. [2021-10-29 04:48:57,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-29 04:48:57,248 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 04:48:57,248 INFO L513 BasicCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 04:48:57,269 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfac3b34-1aa0-42b5-95f2-c3daa9d0c8da/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2021-10-29 04:48:57,449 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfac3b34-1aa0-42b5-95f2-c3daa9d0c8da/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 04:48:57,449 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 11 more)] === [2021-10-29 04:48:57,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:48:57,449 INFO L85 PathProgramCache]: Analyzing trace with hash -1378074960, now seen corresponding path program 1 times [2021-10-29 04:48:57,450 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 04:48:57,450 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [190226535] [2021-10-29 04:48:57,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 04:48:57,450 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 04:48:57,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfac3b34-1aa0-42b5-95f2-c3daa9d0c8da/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 04:48:57,451 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfac3b34-1aa0-42b5-95f2-c3daa9d0c8da/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 04:48:57,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfac3b34-1aa0-42b5-95f2-c3daa9d0c8da/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-10-29 04:48:57,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:48:57,770 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 12 conjunts are in the unsatisfiable core [2021-10-29 04:48:57,771 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:48:57,808 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 13 treesize of output 9 [2021-10-29 04:48:57,858 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-10-29 04:48:57,859 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 1 case distinctions, treesize of input 9 treesize of output 15 [2021-10-29 04:48:58,464 INFO L354 Elim1Store]: treesize reduction 20, result has 57.4 percent of original size [2021-10-29 04:48:58,465 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 19 treesize of output 40 [2021-10-29 04:48:58,764 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-29 04:48:58,765 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 04:48:59,742 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 45 treesize of output 37 [2021-10-29 04:48:59,751 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 297 treesize of output 291 [2021-10-29 04:49:00,246 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-29 04:49:00,246 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 04:49:00,246 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [190226535] [2021-10-29 04:49:00,246 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [190226535] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 04:49:00,247 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 04:49:00,247 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2021-10-29 04:49:00,247 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1121323139] [2021-10-29 04:49:00,247 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-10-29 04:49:00,247 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 04:49:00,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-29 04:49:00,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-10-29 04:49:00,248 INFO L87 Difference]: Start difference. First operand 39 states and 42 transitions. Second operand has 9 states, 8 states have (on average 3.875) internal successors, (31), 8 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) [2021-10-29 04:49:01,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 04:49:01,244 INFO L93 Difference]: Finished difference Result 38 states and 41 transitions. [2021-10-29 04:49:01,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-29 04:49:01,245 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 3.875) internal successors, (31), 8 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 19 [2021-10-29 04:49:01,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 04:49:01,246 INFO L225 Difference]: With dead ends: 38 [2021-10-29 04:49:01,246 INFO L226 Difference]: Without dead ends: 38 [2021-10-29 04:49:01,246 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 28 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-10-29 04:49:01,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2021-10-29 04:49:01,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2021-10-29 04:49:01,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 32 states have (on average 1.28125) internal successors, (41), 37 states have internal predecessors, (41), 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) [2021-10-29 04:49:01,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 41 transitions. [2021-10-29 04:49:01,250 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 41 transitions. Word has length 19 [2021-10-29 04:49:01,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 04:49:01,251 INFO L470 AbstractCegarLoop]: Abstraction has 38 states and 41 transitions. [2021-10-29 04:49:01,251 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 3.875) internal successors, (31), 8 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) [2021-10-29 04:49:01,251 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 41 transitions. [2021-10-29 04:49:01,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-29 04:49:01,252 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 04:49:01,252 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 04:49:01,267 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfac3b34-1aa0-42b5-95f2-c3daa9d0c8da/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2021-10-29 04:49:01,457 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfac3b34-1aa0-42b5-95f2-c3daa9d0c8da/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 04:49:01,458 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr8REQUIRES_VIOLATION === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 11 more)] === [2021-10-29 04:49:01,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:49:01,459 INFO L85 PathProgramCache]: Analyzing trace with hash 1689464347, now seen corresponding path program 1 times [2021-10-29 04:49:01,459 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 04:49:01,459 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [233744381] [2021-10-29 04:49:01,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 04:49:01,459 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 04:49:01,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfac3b34-1aa0-42b5-95f2-c3daa9d0c8da/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 04:49:01,460 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfac3b34-1aa0-42b5-95f2-c3daa9d0c8da/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 04:49:01,461 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfac3b34-1aa0-42b5-95f2-c3daa9d0c8da/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2021-10-29 04:49:01,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:49:01,759 INFO L263 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-29 04:49:01,761 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:49:01,809 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 [2021-10-29 04:49:01,907 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-10-29 04:49:01,907 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 04:49:02,032 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-10-29 04:49:02,032 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 04:49:02,033 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [233744381] [2021-10-29 04:49:02,033 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [233744381] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 04:49:02,033 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 04:49:02,033 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-29 04:49:02,033 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161379849] [2021-10-29 04:49:02,034 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-29 04:49:02,034 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 04:49:02,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-29 04:49:02,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 04:49:02,035 INFO L87 Difference]: Start difference. First operand 38 states and 41 transitions. Second operand has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 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) [2021-10-29 04:49:02,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 04:49:02,123 INFO L93 Difference]: Finished difference Result 37 states and 40 transitions. [2021-10-29 04:49:02,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 04:49:02,124 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 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 28 [2021-10-29 04:49:02,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 04:49:02,125 INFO L225 Difference]: With dead ends: 37 [2021-10-29 04:49:02,125 INFO L226 Difference]: Without dead ends: 37 [2021-10-29 04:49:02,126 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 04:49:02,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2021-10-29 04:49:02,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2021-10-29 04:49:02,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 32 states have (on average 1.25) internal successors, (40), 36 states have internal predecessors, (40), 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) [2021-10-29 04:49:02,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 40 transitions. [2021-10-29 04:49:02,129 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 40 transitions. Word has length 28 [2021-10-29 04:49:02,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 04:49:02,129 INFO L470 AbstractCegarLoop]: Abstraction has 37 states and 40 transitions. [2021-10-29 04:49:02,130 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 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) [2021-10-29 04:49:02,130 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 40 transitions. [2021-10-29 04:49:02,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-29 04:49:02,131 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 04:49:02,131 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 04:49:02,155 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfac3b34-1aa0-42b5-95f2-c3daa9d0c8da/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2021-10-29 04:49:02,342 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfac3b34-1aa0-42b5-95f2-c3daa9d0c8da/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 04:49:02,342 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr9REQUIRES_VIOLATION === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 11 more)] === [2021-10-29 04:49:02,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:49:02,342 INFO L85 PathProgramCache]: Analyzing trace with hash 1689464348, now seen corresponding path program 1 times [2021-10-29 04:49:02,343 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 04:49:02,343 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2017665355] [2021-10-29 04:49:02,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 04:49:02,343 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 04:49:02,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfac3b34-1aa0-42b5-95f2-c3daa9d0c8da/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 04:49:02,344 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfac3b34-1aa0-42b5-95f2-c3daa9d0c8da/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 04:49:02,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfac3b34-1aa0-42b5-95f2-c3daa9d0c8da/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2021-10-29 04:49:02,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:49:02,647 INFO L263 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-29 04:49:02,648 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:49:02,704 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 [2021-10-29 04:49:02,904 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-10-29 04:49:02,905 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 04:49:03,254 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-10-29 04:49:03,254 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 04:49:03,254 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2017665355] [2021-10-29 04:49:03,254 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2017665355] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 04:49:03,254 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 04:49:03,255 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-29 04:49:03,255 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380017577] [2021-10-29 04:49:03,255 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-29 04:49:03,256 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 04:49:03,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-29 04:49:03,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 04:49:03,257 INFO L87 Difference]: Start difference. First operand 37 states and 40 transitions. Second operand has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 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) [2021-10-29 04:49:03,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 04:49:03,389 INFO L93 Difference]: Finished difference Result 36 states and 39 transitions. [2021-10-29 04:49:03,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 04:49:03,391 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 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 28 [2021-10-29 04:49:03,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 04:49:03,391 INFO L225 Difference]: With dead ends: 36 [2021-10-29 04:49:03,391 INFO L226 Difference]: Without dead ends: 36 [2021-10-29 04:49:03,392 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 04:49:03,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2021-10-29 04:49:03,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2021-10-29 04:49:03,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 32 states have (on average 1.21875) internal successors, (39), 35 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:49:03,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 39 transitions. [2021-10-29 04:49:03,395 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 39 transitions. Word has length 28 [2021-10-29 04:49:03,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 04:49:03,396 INFO L470 AbstractCegarLoop]: Abstraction has 36 states and 39 transitions. [2021-10-29 04:49:03,396 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 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) [2021-10-29 04:49:03,396 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 39 transitions. [2021-10-29 04:49:03,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-10-29 04:49:03,397 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 04:49:03,397 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 04:49:03,422 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfac3b34-1aa0-42b5-95f2-c3daa9d0c8da/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2021-10-29 04:49:03,606 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfac3b34-1aa0-42b5-95f2-c3daa9d0c8da/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 04:49:03,606 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_FREE === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 11 more)] === [2021-10-29 04:49:03,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:49:03,607 INFO L85 PathProgramCache]: Analyzing trace with hash 833787226, now seen corresponding path program 1 times [2021-10-29 04:49:03,607 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 04:49:03,608 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1146663904] [2021-10-29 04:49:03,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 04:49:03,608 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 04:49:03,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfac3b34-1aa0-42b5-95f2-c3daa9d0c8da/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 04:49:03,610 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfac3b34-1aa0-42b5-95f2-c3daa9d0c8da/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 04:49:03,652 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfac3b34-1aa0-42b5-95f2-c3daa9d0c8da/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2021-10-29 04:49:04,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:49:04,111 INFO L263 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 35 conjunts are in the unsatisfiable core [2021-10-29 04:49:04,114 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:49:04,246 INFO L354 Elim1Store]: treesize reduction 77, result has 29.4 percent of original size [2021-10-29 04:49:04,246 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 3 case distinctions, treesize of input 15 treesize of output 37 [2021-10-29 04:49:04,577 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 27 treesize of output 23 [2021-10-29 04:49:04,661 INFO L354 Elim1Store]: treesize reduction 42, result has 33.3 percent of original size [2021-10-29 04:49:04,661 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 4 case distinctions, treesize of input 23 treesize of output 35 [2021-10-29 04:49:05,395 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2021-10-29 04:49:05,492 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2021-10-29 04:49:05,594 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2021-10-29 04:49:05,679 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2021-10-29 04:49:05,974 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 18 [2021-10-29 04:49:06,207 INFO L354 Elim1Store]: treesize reduction 20, result has 28.6 percent of original size [2021-10-29 04:49:06,207 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 56 treesize of output 59 [2021-10-29 04:49:06,446 INFO L354 Elim1Store]: treesize reduction 21, result has 16.0 percent of original size [2021-10-29 04:49:06,446 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 59 treesize of output 57 [2021-10-29 04:49:06,950 INFO L354 Elim1Store]: treesize reduction 33, result has 34.0 percent of original size [2021-10-29 04:49:06,951 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 42 treesize of output 35 [2021-10-29 04:49:07,126 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2021-10-29 04:49:07,221 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2021-10-29 04:49:07,267 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2021-10-29 04:49:07,508 INFO L354 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2021-10-29 04:49:07,508 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 22 [2021-10-29 04:49:07,690 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-10-29 04:49:07,691 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 14 [2021-10-29 04:49:07,746 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-10-29 04:49:07,746 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 04:49:08,015 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 04:49:08,018 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-10-29 04:49:13,361 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 04:49:13,362 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-10-29 04:49:15,386 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_DerPreprocessor_2 (_ BitVec 32)) (v_DerPreprocessor_1 (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_75| (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10| (_ BitVec 32))) (= (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.base| (let ((.cse0 (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.base|) (bvadd |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.offset| |ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10|) v_DerPreprocessor_2) (bvadd |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.offset| |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_75|) v_DerPreprocessor_1))) (store .cse0 |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.offset| (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.base| .cse0) |c_ULTIMATE.start_#Ultimate.C_memcpy_src.base|) |c_ULTIMATE.start_#Ultimate.C_memcpy_src.offset|)))) |c_ULTIMATE.start_main_~#p~1.base|) |c_ULTIMATE.start_main_~#p~1.offset|) (_ bv0 32))) is different from false [2021-10-29 04:49:15,408 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 04:49:15,409 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-10-29 04:49:21,753 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 04:49:21,755 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-10-29 04:49:36,645 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_DerPreprocessor_4 (_ BitVec 32)) (|v_ULTIMATE.start_main_~#p~1.base_32| (_ BitVec 32)) (v_DerPreprocessor_3 (_ BitVec 32)) (v_DerPreprocessor_2 (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_89| (_ BitVec 32)) (v_DerPreprocessor_1 (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_75| (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_82| (_ BitVec 32))) (or (not (= (_ bv0 1) (select |c_#valid| |v_ULTIMATE.start_main_~#p~1.base_32|))) (= (select (select (store |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~#p~1.base_32| (store (store (store (store (select |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~#p~1.base_32|) |ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10| v_DerPreprocessor_4) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_89| v_DerPreprocessor_3) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_82| v_DerPreprocessor_2) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_75| v_DerPreprocessor_1)) |c_~#a~0.base|) |c_~#a~0.offset|) (_ bv0 32)))) is different from false [2021-10-29 04:49:38,714 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_DerPreprocessor_4 (_ BitVec 32)) (|v_ULTIMATE.start_main_~#p~1.base_32| (_ BitVec 32)) (v_DerPreprocessor_3 (_ BitVec 32)) (v_DerPreprocessor_2 (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_89| (_ BitVec 32)) (v_DerPreprocessor_1 (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_75| (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_82| (_ BitVec 32))) (or (not (= (_ bv0 1) (select (store |c_#valid| |c_ULTIMATE.start_foo_~#p~0.base| (_ bv0 1)) |v_ULTIMATE.start_main_~#p~1.base_32|))) (= (select (select (store |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~#p~1.base_32| (store (store (store (store (select |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~#p~1.base_32|) |ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10| v_DerPreprocessor_4) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_89| v_DerPreprocessor_3) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_82| v_DerPreprocessor_2) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_75| v_DerPreprocessor_1)) |c_~#a~0.base|) |c_~#a~0.offset|) (_ bv0 32)))) is different from false [2021-10-29 04:49:40,844 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_DerPreprocessor_4 (_ BitVec 32)) (|v_ULTIMATE.start_main_~#p~1.base_32| (_ BitVec 32)) (v_DerPreprocessor_3 (_ BitVec 32)) (v_DerPreprocessor_2 (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_89| (_ BitVec 32)) (v_DerPreprocessor_1 (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_75| (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_82| (_ BitVec 32))) (or (= (select (select (let ((.cse0 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.base| (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.base|) (bvadd |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.offset| |c_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr12|) (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memcpy_src.base|) (bvadd |c_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr12| |c_ULTIMATE.start_#Ultimate.C_memcpy_src.offset|)))))) (store .cse0 |v_ULTIMATE.start_main_~#p~1.base_32| (store (store (store (store (select .cse0 |v_ULTIMATE.start_main_~#p~1.base_32|) |ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10| v_DerPreprocessor_4) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_89| v_DerPreprocessor_3) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_82| v_DerPreprocessor_2) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_75| v_DerPreprocessor_1))) |c_~#a~0.base|) |c_~#a~0.offset|) (_ bv0 32)) (not (= (_ bv0 1) (select (store |c_#valid| |c_ULTIMATE.start_foo_~#p~0.base| (_ bv0 1)) |v_ULTIMATE.start_main_~#p~1.base_32|))))) is different from false [2021-10-29 04:50:10,084 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 04:50:10,086 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-10-29 04:50:12,230 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_DerPreprocessor_5 (_ BitVec 32)) (v_DerPreprocessor_4 (_ BitVec 32)) (|v_ULTIMATE.start_main_~#p~1.base_32| (_ BitVec 32)) (v_DerPreprocessor_3 (_ BitVec 32)) (v_DerPreprocessor_2 (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_89| (_ BitVec 32)) (v_DerPreprocessor_1 (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_97| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_75| (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_82| (_ BitVec 32))) (or (= (select (select (let ((.cse0 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.base| (let ((.cse1 (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.base|) (bvadd |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.offset| |ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10|) v_DerPreprocessor_5))) (store .cse1 |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.offset| (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.base| .cse1) |c_ULTIMATE.start_#Ultimate.C_memcpy_src.base|) |c_ULTIMATE.start_#Ultimate.C_memcpy_src.offset|)))))) (store .cse0 |v_ULTIMATE.start_main_~#p~1.base_32| (store (store (store (store (select .cse0 |v_ULTIMATE.start_main_~#p~1.base_32|) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_97| v_DerPreprocessor_4) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_89| v_DerPreprocessor_3) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_82| v_DerPreprocessor_2) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_75| v_DerPreprocessor_1))) |c_~#a~0.base|) |c_~#a~0.offset|) (_ bv0 32)) (not (= (_ bv0 1) (select (store |c_#valid| |c_ULTIMATE.start_foo_~#p~0.base| (_ bv0 1)) |v_ULTIMATE.start_main_~#p~1.base_32|))))) is different from false [2021-10-29 04:50:12,261 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 04:50:12,273 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 108 [2021-10-29 04:50:14,402 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~#p~1.base_32| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_89| (_ BitVec 32)) (v_DerPreprocessor_6 (_ BitVec 32)) (v_DerPreprocessor_5 (_ BitVec 32)) (v_DerPreprocessor_4 (_ BitVec 32)) (v_DerPreprocessor_3 (_ BitVec 32)) (v_DerPreprocessor_2 (_ BitVec 32)) (v_DerPreprocessor_1 (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_97| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_75| (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_104| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_82| (_ BitVec 32))) (or (= (select (select (let ((.cse0 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.base| (let ((.cse1 (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.base|) (bvadd |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.offset| |ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10|) v_DerPreprocessor_6) (bvadd |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.offset| |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_104|) v_DerPreprocessor_5))) (store .cse1 |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.offset| (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.base| .cse1) |c_ULTIMATE.start_#Ultimate.C_memcpy_src.base|) |c_ULTIMATE.start_#Ultimate.C_memcpy_src.offset|)))))) (store .cse0 |v_ULTIMATE.start_main_~#p~1.base_32| (store (store (store (store (select .cse0 |v_ULTIMATE.start_main_~#p~1.base_32|) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_97| v_DerPreprocessor_4) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_89| v_DerPreprocessor_3) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_82| v_DerPreprocessor_2) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_75| v_DerPreprocessor_1))) |c_~#a~0.base|) |c_~#a~0.offset|) (_ bv0 32)) (not (= (_ bv0 1) (select (store |c_#valid| |c_ULTIMATE.start_foo_~#p~0.base| (_ bv0 1)) |v_ULTIMATE.start_main_~#p~1.base_32|))))) is different from false [2021-10-29 04:50:14,443 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 04:50:14,444 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 128 [2021-10-29 04:50:16,674 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~#p~1.base_32| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_89| (_ BitVec 32)) (v_DerPreprocessor_7 (_ BitVec 32)) (v_DerPreprocessor_6 (_ BitVec 32)) (v_DerPreprocessor_5 (_ BitVec 32)) (v_DerPreprocessor_4 (_ BitVec 32)) (v_DerPreprocessor_3 (_ BitVec 32)) (v_DerPreprocessor_2 (_ BitVec 32)) (v_DerPreprocessor_1 (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_111| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_97| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_75| (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_104| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_82| (_ BitVec 32))) (or (= (select (select (let ((.cse0 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.base| (let ((.cse1 (store (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.base|) (bvadd |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.offset| |ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10|) v_DerPreprocessor_7) (bvadd |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.offset| |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_111|) v_DerPreprocessor_6) (bvadd |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.offset| |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_104|) v_DerPreprocessor_5))) (store .cse1 |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.offset| (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.base| .cse1) |c_ULTIMATE.start_#Ultimate.C_memcpy_src.base|) |c_ULTIMATE.start_#Ultimate.C_memcpy_src.offset|)))))) (store .cse0 |v_ULTIMATE.start_main_~#p~1.base_32| (store (store (store (store (select .cse0 |v_ULTIMATE.start_main_~#p~1.base_32|) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_97| v_DerPreprocessor_4) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_89| v_DerPreprocessor_3) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_82| v_DerPreprocessor_2) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_75| v_DerPreprocessor_1))) |c_~#a~0.base|) |c_~#a~0.offset|) (_ bv0 32)) (not (= (_ bv0 1) (select (store |c_#valid| |c_ULTIMATE.start_foo_~#p~0.base| (_ bv0 1)) |v_ULTIMATE.start_main_~#p~1.base_32|))))) is different from false [2021-10-29 04:50:16,719 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 04:50:16,720 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 148 [2021-10-29 04:50:19,028 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~#p~1.base_32| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_89| (_ BitVec 32)) (v_DerPreprocessor_8 (_ BitVec 32)) (v_DerPreprocessor_7 (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_118| (_ BitVec 32)) (v_DerPreprocessor_6 (_ BitVec 32)) (v_DerPreprocessor_5 (_ BitVec 32)) (v_DerPreprocessor_4 (_ BitVec 32)) (v_DerPreprocessor_3 (_ BitVec 32)) (v_DerPreprocessor_2 (_ BitVec 32)) (v_DerPreprocessor_1 (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_111| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_97| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_75| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_104| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_82| (_ BitVec 32))) (or (= (select (select (let ((.cse0 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.base| (let ((.cse1 (store (store (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.base|) (bvadd |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.offset| |c_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10|) v_DerPreprocessor_8) (bvadd |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.offset| |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_118|) v_DerPreprocessor_7) (bvadd |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.offset| |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_111|) v_DerPreprocessor_6) (bvadd |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.offset| |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_104|) v_DerPreprocessor_5))) (store .cse1 |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.offset| (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.base| .cse1) |c_ULTIMATE.start_#Ultimate.C_memcpy_src.base|) |c_ULTIMATE.start_#Ultimate.C_memcpy_src.offset|)))))) (store .cse0 |v_ULTIMATE.start_main_~#p~1.base_32| (store (store (store (store (select .cse0 |v_ULTIMATE.start_main_~#p~1.base_32|) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_97| v_DerPreprocessor_4) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_89| v_DerPreprocessor_3) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_82| v_DerPreprocessor_2) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_75| v_DerPreprocessor_1))) |c_~#a~0.base|) |c_~#a~0.offset|) (_ bv0 32)) (not (= (_ bv0 1) (select (store |c_#valid| |c_ULTIMATE.start_foo_~#p~0.base| (_ bv0 1)) |v_ULTIMATE.start_main_~#p~1.base_32|))))) is different from false [2021-10-29 04:50:21,313 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~#p~1.base_32| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_89| (_ BitVec 32)) (v_DerPreprocessor_8 (_ BitVec 32)) (v_DerPreprocessor_7 (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_118| (_ BitVec 32)) (v_DerPreprocessor_6 (_ BitVec 32)) (v_DerPreprocessor_5 (_ BitVec 32)) (v_DerPreprocessor_4 (_ BitVec 32)) (v_DerPreprocessor_3 (_ BitVec 32)) (v_DerPreprocessor_2 (_ BitVec 32)) (v_DerPreprocessor_1 (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_111| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_97| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_75| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_104| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_82| (_ BitVec 32))) (or (not (= (_ bv0 1) (select (store |c_#valid| |c_ULTIMATE.start_foo_~#p~0.base| (_ bv0 1)) |v_ULTIMATE.start_main_~#p~1.base_32|))) (= (select (select (let ((.cse0 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.base| (let ((.cse1 (store (store (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.base|) |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.offset| v_DerPreprocessor_8) (bvadd |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.offset| |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_118|) v_DerPreprocessor_7) (bvadd |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.offset| |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_111|) v_DerPreprocessor_6) (bvadd |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.offset| |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_104|) v_DerPreprocessor_5))) (store .cse1 |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.offset| (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.base| .cse1) |c_ULTIMATE.start_#Ultimate.C_memcpy_src.base|) |c_ULTIMATE.start_#Ultimate.C_memcpy_src.offset|)))))) (store .cse0 |v_ULTIMATE.start_main_~#p~1.base_32| (store (store (store (store (select .cse0 |v_ULTIMATE.start_main_~#p~1.base_32|) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_97| v_DerPreprocessor_4) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_89| v_DerPreprocessor_3) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_82| v_DerPreprocessor_2) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_75| v_DerPreprocessor_1))) |c_~#a~0.base|) |c_~#a~0.offset|) (_ bv0 32)))) is different from false [2021-10-29 04:50:24,938 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 122337 treesize of output 121309 [2021-10-29 04:50:39,174 WARN L207 SmtUtils]: Spent 13.45 s on a formula simplification. DAG size of input: 438 DAG size of output: 438 [2021-10-29 04:50:39,205 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 117209 treesize of output 117201 [2021-10-29 04:50:39,848 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 04:50:39,849 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1146663904] [2021-10-29 04:50:39,849 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: BigInteger out of long range [2021-10-29 04:50:39,849 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1593249149] [2021-10-29 04:50:39,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 04:50:39,850 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-29 04:50:39,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfac3b34-1aa0-42b5-95f2-c3daa9d0c8da/bin/utaipan-SDwSMHVbGG/cvc4 [2021-10-29 04:50:39,861 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfac3b34-1aa0-42b5-95f2-c3daa9d0c8da/bin/utaipan-SDwSMHVbGG/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-29 04:50:39,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfac3b34-1aa0-42b5-95f2-c3daa9d0c8da/bin/utaipan-SDwSMHVbGG/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2021-10-29 04:50:40,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:50:40,843 INFO L263 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 33 conjunts are in the unsatisfiable core [2021-10-29 04:50:40,846 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:50:41,011 INFO L354 Elim1Store]: treesize reduction 77, result has 29.4 percent of original size [2021-10-29 04:50:41,011 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 3 case distinctions, treesize of input 15 treesize of output 37 [2021-10-29 04:50:41,336 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-10-29 04:50:41,338 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 16 treesize of output 16 [2021-10-29 04:50:43,296 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2021-10-29 04:50:43,374 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2021-10-29 04:50:43,451 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2021-10-29 04:50:43,529 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2021-10-29 04:50:43,790 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 18 [2021-10-29 04:50:44,009 INFO L354 Elim1Store]: treesize reduction 12, result has 40.0 percent of original size [2021-10-29 04:50:44,010 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 25 treesize of output 30 [2021-10-29 04:50:44,138 INFO L354 Elim1Store]: treesize reduction 21, result has 16.0 percent of original size [2021-10-29 04:50:44,139 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 57 treesize of output 55 [2021-10-29 04:50:44,613 INFO L354 Elim1Store]: treesize reduction 33, result has 34.0 percent of original size [2021-10-29 04:50:44,614 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 42 treesize of output 35 [2021-10-29 04:50:44,715 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2021-10-29 04:50:44,796 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2021-10-29 04:50:44,849 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2021-10-29 04:50:44,973 INFO L354 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2021-10-29 04:50:44,974 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 22 [2021-10-29 04:50:45,118 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-10-29 04:50:45,118 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 14 [2021-10-29 04:50:45,124 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-10-29 04:50:45,125 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 04:50:45,179 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 04:50:45,180 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-10-29 04:50:47,375 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 04:50:47,375 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-10-29 04:51:06,065 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 04:51:06,066 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-10-29 04:51:14,508 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 04:51:14,509 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-10-29 04:51:28,133 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_DerPreprocessor_4 (_ BitVec 32)) (v_DerPreprocessor_3 (_ BitVec 32)) (v_DerPreprocessor_2 (_ BitVec 32)) (|v_ULTIMATE.start_main_~#p~1.base_34| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_89| (_ BitVec 32)) (v_DerPreprocessor_1 (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_75| (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_82| (_ BitVec 32))) (or (= (select (select (store |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~#p~1.base_34| (store (store (store (store (select |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~#p~1.base_34|) |ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10| v_DerPreprocessor_4) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_89| v_DerPreprocessor_3) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_82| v_DerPreprocessor_2) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_75| v_DerPreprocessor_1)) |c_~#a~0.base|) |c_~#a~0.offset|) (_ bv0 32)) (not (= (_ bv0 1) (bvneg (bvneg (select |c_#valid| |v_ULTIMATE.start_main_~#p~1.base_34|))))))) is different from false [2021-10-29 04:51:30,184 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_DerPreprocessor_4 (_ BitVec 32)) (v_DerPreprocessor_3 (_ BitVec 32)) (v_DerPreprocessor_2 (_ BitVec 32)) (|v_ULTIMATE.start_main_~#p~1.base_34| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_89| (_ BitVec 32)) (v_DerPreprocessor_1 (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_75| (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_82| (_ BitVec 32))) (or (not (= (_ bv0 1) (bvneg (bvneg (bvneg (bvneg (select (store |c_#valid| |c_ULTIMATE.start_foo_~#p~0.base| (_ bv0 1)) |v_ULTIMATE.start_main_~#p~1.base_34|))))))) (= (select (select (store |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~#p~1.base_34| (store (store (store (store (select |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~#p~1.base_34|) |ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10| v_DerPreprocessor_4) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_89| v_DerPreprocessor_3) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_82| v_DerPreprocessor_2) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_75| v_DerPreprocessor_1)) |c_~#a~0.base|) |c_~#a~0.offset|) (_ bv0 32)))) is different from false [2021-10-29 04:51:32,278 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_DerPreprocessor_4 (_ BitVec 32)) (v_DerPreprocessor_3 (_ BitVec 32)) (v_DerPreprocessor_2 (_ BitVec 32)) (|v_ULTIMATE.start_main_~#p~1.base_34| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_89| (_ BitVec 32)) (v_DerPreprocessor_1 (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_75| (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_82| (_ BitVec 32))) (or (= (select (select (let ((.cse0 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.base| (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.base|) (bvadd |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.offset| |c_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr12|) (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memcpy_src.base|) (bvadd |c_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr12| |c_ULTIMATE.start_#Ultimate.C_memcpy_src.offset|)))))) (store .cse0 |v_ULTIMATE.start_main_~#p~1.base_34| (store (store (store (store (select .cse0 |v_ULTIMATE.start_main_~#p~1.base_34|) |ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10| v_DerPreprocessor_4) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_89| v_DerPreprocessor_3) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_82| v_DerPreprocessor_2) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_75| v_DerPreprocessor_1))) |c_~#a~0.base|) |c_~#a~0.offset|) (_ bv0 32)) (not (= (_ bv0 1) (bvneg (bvneg (bvneg (bvneg (select (store |c_#valid| |c_ULTIMATE.start_foo_~#p~0.base| (_ bv0 1)) |v_ULTIMATE.start_main_~#p~1.base_34|))))))))) is different from false [2021-10-29 04:51:34,366 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_DerPreprocessor_4 (_ BitVec 32)) (v_DerPreprocessor_3 (_ BitVec 32)) (v_DerPreprocessor_2 (_ BitVec 32)) (|v_ULTIMATE.start_main_~#p~1.base_34| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_89| (_ BitVec 32)) (v_DerPreprocessor_1 (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_75| (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_82| (_ BitVec 32))) (or (not (= (_ bv0 1) (bvneg (bvneg (bvneg (bvneg (select (store |c_#valid| |c_ULTIMATE.start_foo_~#p~0.base| (_ bv0 1)) |v_ULTIMATE.start_main_~#p~1.base_34|))))))) (= (_ bv0 32) (select (select (let ((.cse0 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.base| (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.base|) |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.offset| (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memcpy_src.base|) |c_ULTIMATE.start_#Ultimate.C_memcpy_src.offset|))))) (store .cse0 |v_ULTIMATE.start_main_~#p~1.base_34| (store (store (store (store (select .cse0 |v_ULTIMATE.start_main_~#p~1.base_34|) |ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10| v_DerPreprocessor_4) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_89| v_DerPreprocessor_3) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_82| v_DerPreprocessor_2) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_75| v_DerPreprocessor_1))) |c_~#a~0.base|) |c_~#a~0.offset|)))) is different from false [2021-10-29 04:51:34,386 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 04:51:34,387 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-10-29 04:51:36,497 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_DerPreprocessor_4 (_ BitVec 32)) (v_DerPreprocessor_3 (_ BitVec 32)) (v_DerPreprocessor_2 (_ BitVec 32)) (|v_ULTIMATE.start_main_~#p~1.base_34| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_89| (_ BitVec 32)) (v_DerPreprocessor_1 (_ BitVec 32)) (v_DerPreprocessor_13 (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_75| (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_157| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_82| (_ BitVec 32))) (or (not (= (_ bv0 1) (bvneg (bvneg (bvneg (bvneg (select (store |c_#valid| |c_ULTIMATE.start_foo_~#p~0.base| (_ bv0 1)) |v_ULTIMATE.start_main_~#p~1.base_34|))))))) (= (select (select (let ((.cse0 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.base| (let ((.cse1 (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.base|) (bvadd |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.offset| |ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10|) v_DerPreprocessor_13))) (store .cse1 |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.offset| (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.base| .cse1) |c_ULTIMATE.start_#Ultimate.C_memcpy_src.base|) |c_ULTIMATE.start_#Ultimate.C_memcpy_src.offset|)))))) (store .cse0 |v_ULTIMATE.start_main_~#p~1.base_34| (store (store (store (store (select .cse0 |v_ULTIMATE.start_main_~#p~1.base_34|) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_157| v_DerPreprocessor_4) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_89| v_DerPreprocessor_3) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_82| v_DerPreprocessor_2) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_75| v_DerPreprocessor_1))) |c_~#a~0.base|) |c_~#a~0.offset|) (_ bv0 32)))) is different from false [2021-10-29 04:51:36,522 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 04:51:36,523 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 112 [2021-10-29 04:51:38,667 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~#p~1.base_34| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_89| (_ BitVec 32)) (v_DerPreprocessor_4 (_ BitVec 32)) (v_DerPreprocessor_3 (_ BitVec 32)) (v_DerPreprocessor_2 (_ BitVec 32)) (v_DerPreprocessor_1 (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_164| (_ BitVec 32)) (v_DerPreprocessor_13 (_ BitVec 32)) (v_DerPreprocessor_14 (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_75| (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_157| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_82| (_ BitVec 32))) (or (= (select (select (let ((.cse0 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.base| (let ((.cse1 (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.base|) (bvadd |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.offset| |ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10|) v_DerPreprocessor_14) (bvadd |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.offset| |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_164|) v_DerPreprocessor_13))) (store .cse1 |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.offset| (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.base| .cse1) |c_ULTIMATE.start_#Ultimate.C_memcpy_src.base|) |c_ULTIMATE.start_#Ultimate.C_memcpy_src.offset|)))))) (store .cse0 |v_ULTIMATE.start_main_~#p~1.base_34| (store (store (store (store (select .cse0 |v_ULTIMATE.start_main_~#p~1.base_34|) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_157| v_DerPreprocessor_4) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_89| v_DerPreprocessor_3) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_82| v_DerPreprocessor_2) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_75| v_DerPreprocessor_1))) |c_~#a~0.base|) |c_~#a~0.offset|) (_ bv0 32)) (not (= (_ bv0 1) (bvneg (bvneg (bvneg (bvneg (select (store |c_#valid| |c_ULTIMATE.start_foo_~#p~0.base| (_ bv0 1)) |v_ULTIMATE.start_main_~#p~1.base_34|))))))))) is different from false [2021-10-29 04:51:38,707 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 04:51:38,709 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 132 [2021-10-29 04:51:40,933 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_171| (_ BitVec 32)) (|v_ULTIMATE.start_main_~#p~1.base_34| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_89| (_ BitVec 32)) (v_DerPreprocessor_4 (_ BitVec 32)) (v_DerPreprocessor_3 (_ BitVec 32)) (v_DerPreprocessor_2 (_ BitVec 32)) (v_DerPreprocessor_1 (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_164| (_ BitVec 32)) (v_DerPreprocessor_13 (_ BitVec 32)) (v_DerPreprocessor_14 (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_75| (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_157| (_ BitVec 32)) (v_DerPreprocessor_15 (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_82| (_ BitVec 32))) (or (= (select (select (let ((.cse0 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.base| (let ((.cse1 (store (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.base|) (bvadd |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.offset| |ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10|) v_DerPreprocessor_15) (bvadd |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.offset| |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_171|) v_DerPreprocessor_14) (bvadd |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.offset| |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_164|) v_DerPreprocessor_13))) (store .cse1 |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.offset| (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.base| .cse1) |c_ULTIMATE.start_#Ultimate.C_memcpy_src.base|) |c_ULTIMATE.start_#Ultimate.C_memcpy_src.offset|)))))) (store .cse0 |v_ULTIMATE.start_main_~#p~1.base_34| (store (store (store (store (select .cse0 |v_ULTIMATE.start_main_~#p~1.base_34|) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_157| v_DerPreprocessor_4) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_89| v_DerPreprocessor_3) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_82| v_DerPreprocessor_2) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_75| v_DerPreprocessor_1))) |c_~#a~0.base|) |c_~#a~0.offset|) (_ bv0 32)) (not (= (_ bv0 1) (bvneg (bvneg (bvneg (bvneg (select (store |c_#valid| |c_ULTIMATE.start_foo_~#p~0.base| (_ bv0 1)) |v_ULTIMATE.start_main_~#p~1.base_34|))))))))) is different from false [2021-10-29 04:51:40,972 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 04:51:40,973 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 152 [2021-10-29 04:51:43,252 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_171| (_ BitVec 32)) (|v_ULTIMATE.start_main_~#p~1.base_34| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_89| (_ BitVec 32)) (v_DerPreprocessor_4 (_ BitVec 32)) (v_DerPreprocessor_3 (_ BitVec 32)) (v_DerPreprocessor_2 (_ BitVec 32)) (v_DerPreprocessor_1 (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_164| (_ BitVec 32)) (v_DerPreprocessor_13 (_ BitVec 32)) (v_DerPreprocessor_14 (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_178| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_75| (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_157| (_ BitVec 32)) (v_DerPreprocessor_15 (_ BitVec 32)) (v_DerPreprocessor_16 (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_82| (_ BitVec 32))) (or (not (= (_ bv0 1) (bvneg (bvneg (bvneg (bvneg (select (store |c_#valid| |c_ULTIMATE.start_foo_~#p~0.base| (_ bv0 1)) |v_ULTIMATE.start_main_~#p~1.base_34|))))))) (= (select (select (let ((.cse0 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.base| (let ((.cse1 (store (store (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.base|) (bvadd |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.offset| |ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10|) v_DerPreprocessor_16) (bvadd |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.offset| |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_178|) v_DerPreprocessor_15) (bvadd |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.offset| |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_171|) v_DerPreprocessor_14) (bvadd |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.offset| |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_164|) v_DerPreprocessor_13))) (store .cse1 |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.offset| (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.base| .cse1) |c_ULTIMATE.start_#Ultimate.C_memcpy_src.base|) |c_ULTIMATE.start_#Ultimate.C_memcpy_src.offset|)))))) (store .cse0 |v_ULTIMATE.start_main_~#p~1.base_34| (store (store (store (store (select .cse0 |v_ULTIMATE.start_main_~#p~1.base_34|) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_157| v_DerPreprocessor_4) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_89| v_DerPreprocessor_3) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_82| v_DerPreprocessor_2) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_75| v_DerPreprocessor_1))) |c_~#a~0.base|) |c_~#a~0.offset|) (_ bv0 32)))) is different from false [2021-10-29 04:51:44,585 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 04:51:44,585 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 166 treesize of output 170 [2021-10-29 04:51:50,292 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_171| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_89| (_ BitVec 32)) (v_DerPreprocessor_4 (_ BitVec 32)) (v_DerPreprocessor_3 (_ BitVec 32)) (v_DerPreprocessor_2 (_ BitVec 32)) (v_DerPreprocessor_1 (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_164| (_ BitVec 32)) (v_DerPreprocessor_13 (_ BitVec 32)) (v_DerPreprocessor_14 (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_178| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_75| (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_157| (_ BitVec 32)) (v_DerPreprocessor_15 (_ BitVec 32)) (v_DerPreprocessor_16 (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_82| (_ BitVec 32))) (= (select (select (let ((.cse0 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.base| (let ((.cse1 (store (store (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.base|) (bvadd |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.offset| |ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10|) v_DerPreprocessor_16) (bvadd |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.offset| |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_178|) v_DerPreprocessor_15) (bvadd |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.offset| |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_171|) v_DerPreprocessor_14) (bvadd |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.offset| |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_164|) v_DerPreprocessor_13))) (store .cse1 |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.offset| (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.base| .cse1) |c_ULTIMATE.start_#Ultimate.C_memcpy_src.base|) |c_ULTIMATE.start_#Ultimate.C_memcpy_src.offset|)))))) (store .cse0 |c_ULTIMATE.start_foo_~#p~0.base| (store (store (store (store (select .cse0 |c_ULTIMATE.start_foo_~#p~0.base|) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_157| v_DerPreprocessor_4) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_89| v_DerPreprocessor_3) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_82| v_DerPreprocessor_2) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_75| v_DerPreprocessor_1))) |c_~#a~0.base|) |c_~#a~0.offset|) (_ bv0 32))) (forall ((|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_171| (_ BitVec 32)) (|v_ULTIMATE.start_main_~#p~1.base_34| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_89| (_ BitVec 32)) (v_DerPreprocessor_4 (_ BitVec 32)) (v_DerPreprocessor_3 (_ BitVec 32)) (v_DerPreprocessor_2 (_ BitVec 32)) (v_DerPreprocessor_1 (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_164| (_ BitVec 32)) (v_DerPreprocessor_13 (_ BitVec 32)) (v_DerPreprocessor_14 (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_178| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_75| (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_157| (_ BitVec 32)) (v_DerPreprocessor_15 (_ BitVec 32)) (v_DerPreprocessor_16 (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_82| (_ BitVec 32))) (or (= |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.base| |v_ULTIMATE.start_main_~#p~1.base_34|) (= (select (select (let ((.cse2 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.base| (let ((.cse3 (store (store (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.base|) (bvadd |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.offset| |ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10|) v_DerPreprocessor_16) (bvadd |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.offset| |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_178|) v_DerPreprocessor_15) (bvadd |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.offset| |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_171|) v_DerPreprocessor_14) (bvadd |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.offset| |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_164|) v_DerPreprocessor_13))) (store .cse3 |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.offset| (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.base| .cse3) |c_ULTIMATE.start_#Ultimate.C_memcpy_src.base|) |c_ULTIMATE.start_#Ultimate.C_memcpy_src.offset|)))))) (store .cse2 |v_ULTIMATE.start_main_~#p~1.base_34| (store (store (store (store (select .cse2 |v_ULTIMATE.start_main_~#p~1.base_34|) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_157| v_DerPreprocessor_4) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_89| v_DerPreprocessor_3) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_82| v_DerPreprocessor_2) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_75| v_DerPreprocessor_1))) |c_~#a~0.base|) |c_~#a~0.offset|) (_ bv0 32))))) is different from false [2021-10-29 04:51:50,823 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 109749 treesize of output 108689 [2021-10-29 04:52:06,213 WARN L207 SmtUtils]: Spent 12.84 s on a formula simplification. DAG size of input: 521 DAG size of output: 521 [2021-10-29 04:52:06,222 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: BigInteger out of long range [2021-10-29 04:52:06,223 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1106741059] [2021-10-29 04:52:06,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 04:52:06,223 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-29 04:52:06,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfac3b34-1aa0-42b5-95f2-c3daa9d0c8da/bin/utaipan-SDwSMHVbGG/z3 [2021-10-29 04:52:06,230 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfac3b34-1aa0-42b5-95f2-c3daa9d0c8da/bin/utaipan-SDwSMHVbGG/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-29 04:52:06,272 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfac3b34-1aa0-42b5-95f2-c3daa9d0c8da/bin/utaipan-SDwSMHVbGG/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2021-10-29 04:52:06,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:52:06,793 INFO L263 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 33 conjunts are in the unsatisfiable core [2021-10-29 04:52:06,796 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:52:06,966 INFO L354 Elim1Store]: treesize reduction 77, result has 29.4 percent of original size [2021-10-29 04:52:06,966 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 3 case distinctions, treesize of input 15 treesize of output 37 [2021-10-29 04:52:07,204 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-10-29 04:52:07,204 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 13 treesize of output 13 [2021-10-29 04:52:07,572 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2021-10-29 04:52:07,684 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2021-10-29 04:52:07,769 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2021-10-29 04:52:07,828 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2021-10-29 04:52:07,976 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 18 [2021-10-29 04:52:08,065 INFO L354 Elim1Store]: treesize reduction 12, result has 40.0 percent of original size [2021-10-29 04:52:08,065 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 32 [2021-10-29 04:52:08,191 INFO L354 Elim1Store]: treesize reduction 21, result has 16.0 percent of original size [2021-10-29 04:52:08,191 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 63 treesize of output 61 [2021-10-29 04:52:08,645 INFO L354 Elim1Store]: treesize reduction 33, result has 34.0 percent of original size [2021-10-29 04:52:08,645 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 42 treesize of output 35 [2021-10-29 04:52:08,751 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2021-10-29 04:52:08,818 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2021-10-29 04:52:08,866 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2021-10-29 04:52:09,038 INFO L354 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2021-10-29 04:52:09,038 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 22 [2021-10-29 04:52:09,147 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-10-29 04:52:09,148 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 14 [2021-10-29 04:52:09,154 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-10-29 04:52:09,155 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 04:52:09,222 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 04:52:09,223 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-10-29 04:52:11,877 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 04:52:11,878 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-10-29 04:52:25,778 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 04:52:25,779 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-10-29 04:52:27,816 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_DerPreprocessor_19 (_ BitVec 32)) (v_DerPreprocessor_10 (_ BitVec 32)) (v_DerPreprocessor_1 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_135| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_202| (_ BitVec 32))) (= (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.base| (let ((.cse0 (store (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.base|) (bvadd |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.offset| |ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10|) v_DerPreprocessor_19) (bvadd |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.offset| |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_202|) v_DerPreprocessor_10) (bvadd |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.offset| |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_135|) v_DerPreprocessor_1))) (store .cse0 |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.offset| (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.base| .cse0) |c_ULTIMATE.start_#Ultimate.C_memcpy_src.base|) |c_ULTIMATE.start_#Ultimate.C_memcpy_src.offset|)))) |c_ULTIMATE.start_main_~#p~1.base|) |c_ULTIMATE.start_main_~#p~1.offset|) (_ bv0 32))) is different from false [2021-10-29 04:52:27,876 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 04:52:27,877 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-10-29 04:52:42,587 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~#p~1.base_36| (_ BitVec 32)) (v_DerPreprocessor_4 (_ BitVec 32)) (v_DerPreprocessor_3 (_ BitVec 32)) (v_DerPreprocessor_2 (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_89| (_ BitVec 32)) (v_DerPreprocessor_1 (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_75| (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_82| (_ BitVec 32))) (or (not (= (_ bv0 1) (select |c_#valid| |v_ULTIMATE.start_main_~#p~1.base_36|))) (= (select (select (store |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~#p~1.base_36| (store (store (store (store (select |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~#p~1.base_36|) |ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10| v_DerPreprocessor_4) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_89| v_DerPreprocessor_3) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_82| v_DerPreprocessor_2) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_75| v_DerPreprocessor_1)) |c_~#a~0.base|) |c_~#a~0.offset|) (_ bv0 32)))) is different from false [2021-10-29 04:52:44,651 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~#p~1.base_36| (_ BitVec 32)) (v_DerPreprocessor_4 (_ BitVec 32)) (v_DerPreprocessor_3 (_ BitVec 32)) (v_DerPreprocessor_2 (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_89| (_ BitVec 32)) (v_DerPreprocessor_1 (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_75| (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_82| (_ BitVec 32))) (or (not (= (_ bv0 1) (bvneg (select (store |c_#valid| |c_ULTIMATE.start_foo_~#p~0.base| (_ bv0 1)) |v_ULTIMATE.start_main_~#p~1.base_36|)))) (= (select (select (store |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~#p~1.base_36| (store (store (store (store (select |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~#p~1.base_36|) |ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10| v_DerPreprocessor_4) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_89| v_DerPreprocessor_3) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_82| v_DerPreprocessor_2) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_75| v_DerPreprocessor_1)) |c_~#a~0.base|) |c_~#a~0.offset|) (_ bv0 32)))) is different from false [2021-10-29 04:52:46,771 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~#p~1.base_36| (_ BitVec 32)) (v_DerPreprocessor_4 (_ BitVec 32)) (v_DerPreprocessor_3 (_ BitVec 32)) (v_DerPreprocessor_2 (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_89| (_ BitVec 32)) (v_DerPreprocessor_1 (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_75| (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_82| (_ BitVec 32))) (or (not (= (_ bv0 1) (bvneg (select (store |c_#valid| |c_ULTIMATE.start_foo_~#p~0.base| (_ bv0 1)) |v_ULTIMATE.start_main_~#p~1.base_36|)))) (= (select (select (let ((.cse0 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.base| (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.base|) (bvadd |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.offset| |c_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr12|) (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memcpy_src.base|) (bvadd |c_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr12| |c_ULTIMATE.start_#Ultimate.C_memcpy_src.offset|)))))) (store .cse0 |v_ULTIMATE.start_main_~#p~1.base_36| (store (store (store (store (select .cse0 |v_ULTIMATE.start_main_~#p~1.base_36|) |ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10| v_DerPreprocessor_4) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_89| v_DerPreprocessor_3) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_82| v_DerPreprocessor_2) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_75| v_DerPreprocessor_1))) |c_~#a~0.base|) |c_~#a~0.offset|) (_ bv0 32)))) is different from false [2021-10-29 04:53:19,224 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 04:53:19,225 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-10-29 04:53:21,296 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_217| (_ BitVec 32)) (v_DerPreprocessor_4 (_ BitVec 32)) (|v_ULTIMATE.start_main_~#p~1.base_32| (_ BitVec 32)) (v_DerPreprocessor_3 (_ BitVec 32)) (v_DerPreprocessor_21 (_ BitVec 32)) (v_DerPreprocessor_2 (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_89| (_ BitVec 32)) (v_DerPreprocessor_1 (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_75| (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_82| (_ BitVec 32))) (or (not (= (_ bv0 1) (select (store |c_#valid| |c_ULTIMATE.start_foo_~#p~0.base| (_ bv0 1)) |v_ULTIMATE.start_main_~#p~1.base_32|))) (= (select (select (let ((.cse0 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.base| (let ((.cse1 (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.base|) (bvadd |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.offset| |ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10|) v_DerPreprocessor_21))) (store .cse1 |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.offset| (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.base| .cse1) |c_ULTIMATE.start_#Ultimate.C_memcpy_src.base|) |c_ULTIMATE.start_#Ultimate.C_memcpy_src.offset|)))))) (store .cse0 |v_ULTIMATE.start_main_~#p~1.base_32| (store (store (store (store (select .cse0 |v_ULTIMATE.start_main_~#p~1.base_32|) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_217| v_DerPreprocessor_4) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_89| v_DerPreprocessor_3) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_82| v_DerPreprocessor_2) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_75| v_DerPreprocessor_1))) |c_~#a~0.base|) |c_~#a~0.offset|) (_ bv0 32)))) is different from false [2021-10-29 04:53:21,326 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 04:53:21,327 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 108 [2021-10-29 04:53:23,445 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~#p~1.base_32| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_89| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_217| (_ BitVec 32)) (v_DerPreprocessor_4 (_ BitVec 32)) (v_DerPreprocessor_3 (_ BitVec 32)) (v_DerPreprocessor_21 (_ BitVec 32)) (v_DerPreprocessor_2 (_ BitVec 32)) (v_DerPreprocessor_1 (_ BitVec 32)) (v_DerPreprocessor_22 (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_75| (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_224| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_82| (_ BitVec 32))) (or (= (_ bv0 32) (select (select (let ((.cse0 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.base| (let ((.cse1 (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.base|) (bvadd |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.offset| |ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10|) v_DerPreprocessor_22) (bvadd |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.offset| |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_224|) v_DerPreprocessor_21))) (store .cse1 |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.offset| (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.base| .cse1) |c_ULTIMATE.start_#Ultimate.C_memcpy_src.base|) |c_ULTIMATE.start_#Ultimate.C_memcpy_src.offset|)))))) (store .cse0 |v_ULTIMATE.start_main_~#p~1.base_32| (store (store (store (store (select .cse0 |v_ULTIMATE.start_main_~#p~1.base_32|) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_217| v_DerPreprocessor_4) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_89| v_DerPreprocessor_3) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_82| v_DerPreprocessor_2) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_75| v_DerPreprocessor_1))) |c_~#a~0.base|) |c_~#a~0.offset|)) (not (= (_ bv0 1) (select (store |c_#valid| |c_ULTIMATE.start_foo_~#p~0.base| (_ bv0 1)) |v_ULTIMATE.start_main_~#p~1.base_32|))))) is different from false [2021-10-29 04:53:23,480 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 04:53:23,481 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 128 [2021-10-29 04:53:25,706 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~#p~1.base_32| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_89| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_217| (_ BitVec 32)) (v_DerPreprocessor_4 (_ BitVec 32)) (v_DerPreprocessor_3 (_ BitVec 32)) (v_DerPreprocessor_21 (_ BitVec 32)) (v_DerPreprocessor_2 (_ BitVec 32)) (v_DerPreprocessor_1 (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_231| (_ BitVec 32)) (v_DerPreprocessor_22 (_ BitVec 32)) (v_DerPreprocessor_23 (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_75| (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_224| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_82| (_ BitVec 32))) (or (= (select (select (let ((.cse0 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.base| (let ((.cse1 (store (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.base|) (bvadd |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.offset| |ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10|) v_DerPreprocessor_23) (bvadd |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.offset| |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_231|) v_DerPreprocessor_22) (bvadd |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.offset| |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_224|) v_DerPreprocessor_21))) (store .cse1 |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.offset| (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.base| .cse1) |c_ULTIMATE.start_#Ultimate.C_memcpy_src.base|) |c_ULTIMATE.start_#Ultimate.C_memcpy_src.offset|)))))) (store .cse0 |v_ULTIMATE.start_main_~#p~1.base_32| (store (store (store (store (select .cse0 |v_ULTIMATE.start_main_~#p~1.base_32|) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_217| v_DerPreprocessor_4) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_89| v_DerPreprocessor_3) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_82| v_DerPreprocessor_2) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_75| v_DerPreprocessor_1))) |c_~#a~0.base|) |c_~#a~0.offset|) (_ bv0 32)) (not (= (_ bv0 1) (select (store |c_#valid| |c_ULTIMATE.start_foo_~#p~0.base| (_ bv0 1)) |v_ULTIMATE.start_main_~#p~1.base_32|))))) is different from false [2021-10-29 04:53:25,752 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 04:53:25,754 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 148 [2021-10-29 04:53:28,021 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~#p~1.base_32| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_89| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_238| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_217| (_ BitVec 32)) (v_DerPreprocessor_4 (_ BitVec 32)) (v_DerPreprocessor_3 (_ BitVec 32)) (v_DerPreprocessor_21 (_ BitVec 32)) (v_DerPreprocessor_2 (_ BitVec 32)) (v_DerPreprocessor_1 (_ BitVec 32)) (v_DerPreprocessor_24 (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_231| (_ BitVec 32)) (v_DerPreprocessor_22 (_ BitVec 32)) (v_DerPreprocessor_23 (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_75| (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_224| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_82| (_ BitVec 32))) (or (= (select (select (let ((.cse0 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.base| (let ((.cse1 (store (store (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.base|) (bvadd |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.offset| |ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10|) v_DerPreprocessor_24) (bvadd |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.offset| |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_238|) v_DerPreprocessor_23) (bvadd |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.offset| |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_231|) v_DerPreprocessor_22) (bvadd |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.offset| |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_224|) v_DerPreprocessor_21))) (store .cse1 |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.offset| (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.base| .cse1) |c_ULTIMATE.start_#Ultimate.C_memcpy_src.base|) |c_ULTIMATE.start_#Ultimate.C_memcpy_src.offset|)))))) (store .cse0 |v_ULTIMATE.start_main_~#p~1.base_32| (store (store (store (store (select .cse0 |v_ULTIMATE.start_main_~#p~1.base_32|) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_217| v_DerPreprocessor_4) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_89| v_DerPreprocessor_3) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_82| v_DerPreprocessor_2) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_75| v_DerPreprocessor_1))) |c_~#a~0.base|) |c_~#a~0.offset|) (_ bv0 32)) (not (= (_ bv0 1) (select (store |c_#valid| |c_ULTIMATE.start_foo_~#p~0.base| (_ bv0 1)) |v_ULTIMATE.start_main_~#p~1.base_32|))))) is different from false [2021-10-29 04:53:29,259 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 04:53:29,260 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 162 treesize of output 166 [2021-10-29 04:53:32,631 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~#p~1.base_32| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_89| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_238| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_217| (_ BitVec 32)) (v_DerPreprocessor_4 (_ BitVec 32)) (v_DerPreprocessor_3 (_ BitVec 32)) (v_DerPreprocessor_21 (_ BitVec 32)) (v_DerPreprocessor_2 (_ BitVec 32)) (v_DerPreprocessor_1 (_ BitVec 32)) (v_DerPreprocessor_24 (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_231| (_ BitVec 32)) (v_DerPreprocessor_22 (_ BitVec 32)) (v_DerPreprocessor_23 (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_75| (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_224| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_82| (_ BitVec 32))) (or (and (= |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.base| |v_ULTIMATE.start_main_~#p~1.base_32|) (not (= |c_ULTIMATE.start_foo_~#p~0.base| |v_ULTIMATE.start_main_~#p~1.base_32|))) (= (select (select (let ((.cse0 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.base| (let ((.cse1 (store (store (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.base|) (bvadd |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.offset| |ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10|) v_DerPreprocessor_24) (bvadd |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.offset| |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_238|) v_DerPreprocessor_23) (bvadd |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.offset| |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_231|) v_DerPreprocessor_22) (bvadd |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.offset| |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_224|) v_DerPreprocessor_21))) (store .cse1 |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.offset| (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.base| .cse1) |c_ULTIMATE.start_#Ultimate.C_memcpy_src.base|) |c_ULTIMATE.start_#Ultimate.C_memcpy_src.offset|)))))) (store .cse0 |v_ULTIMATE.start_main_~#p~1.base_32| (store (store (store (store (select .cse0 |v_ULTIMATE.start_main_~#p~1.base_32|) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_217| v_DerPreprocessor_4) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_89| v_DerPreprocessor_3) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_82| v_DerPreprocessor_2) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_75| v_DerPreprocessor_1))) |c_~#a~0.base|) |c_~#a~0.offset|) (_ bv0 32)))) is different from false [2021-10-29 04:53:32,742 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 52338 treesize of output 51822 [2021-10-29 04:53:37,663 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: BigInteger out of long range [2021-10-29 04:53:37,664 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 0 imperfect interpolant sequences. [2021-10-29 04:53:37,664 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [] total 0 [2021-10-29 04:53:37,664 ERROR L172 FreeRefinementEngine]: Strategy WALRUS failed to provide any proof altough trace is infeasible [2021-10-29 04:53:37,664 INFO L627 BasicCegarLoop]: Counterexample might be feasible [2021-10-29 04:53:37,672 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_FREE [2021-10-29 04:53:37,674 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE [2021-10-29 04:53:37,675 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE [2021-10-29 04:53:37,675 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE [2021-10-29 04:53:37,675 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE [2021-10-29 04:53:37,675 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE [2021-10-29 04:53:37,676 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE [2021-10-29 04:53:37,676 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE [2021-10-29 04:53:37,676 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE [2021-10-29 04:53:37,676 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8REQUIRES_VIOLATION [2021-10-29 04:53:37,677 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9REQUIRES_VIOLATION [2021-10-29 04:53:37,677 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_FREE [2021-10-29 04:53:37,677 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_FREE [2021-10-29 04:53:37,677 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_LEAK [2021-10-29 04:53:37,697 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfac3b34-1aa0-42b5-95f2-c3daa9d0c8da/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (17)] Forceful destruction successful, exit code 0 [2021-10-29 04:53:37,902 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfac3b34-1aa0-42b5-95f2-c3daa9d0c8da/bin/utaipan-SDwSMHVbGG/cvc4 --incremental --print-success --lang smt (18)] Forceful destruction successful, exit code 0 [2021-10-29 04:53:38,120 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfac3b34-1aa0-42b5-95f2-c3daa9d0c8da/bin/utaipan-SDwSMHVbGG/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2021-10-29 04:53:38,293 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfac3b34-1aa0-42b5-95f2-c3daa9d0c8da/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3,18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfac3b34-1aa0-42b5-95f2-c3daa9d0c8da/bin/utaipan-SDwSMHVbGG/cvc4 --incremental --print-success --lang smt,19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfac3b34-1aa0-42b5-95f2-c3daa9d0c8da/bin/utaipan-SDwSMHVbGG/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-29 04:53:38,297 INFO L731 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 04:53:38,300 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-29 04:53:38,319 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 04:53:38 BoogieIcfgContainer [2021-10-29 04:53:38,319 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-29 04:53:38,320 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 04:53:38,321 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 04:53:38,321 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 04:53:38,321 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:48:19" (3/4) ... [2021-10-29 04:53:38,326 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-29 04:53:38,327 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 04:53:38,328 INFO L168 Benchmark]: Toolchain (without parser) took 320160.18 ms. Allocated memory was 58.7 MB in the beginning and 408.9 MB in the end (delta: 350.2 MB). Free memory was 35.2 MB in the beginning and 229.3 MB in the end (delta: -194.1 MB). Peak memory consumption was 155.0 MB. Max. memory is 16.1 GB. [2021-10-29 04:53:38,328 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 58.7 MB. Free memory is still 39.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:53:38,329 INFO L168 Benchmark]: CACSL2BoogieTranslator took 911.43 ms. Allocated memory was 58.7 MB in the beginning and 77.6 MB in the end (delta: 18.9 MB). Free memory was 34.9 MB in the beginning and 46.8 MB in the end (delta: -11.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-29 04:53:38,329 INFO L168 Benchmark]: Boogie Procedure Inliner took 106.92 ms. Allocated memory is still 77.6 MB. Free memory was 46.7 MB in the beginning and 44.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 04:53:38,329 INFO L168 Benchmark]: Boogie Preprocessor took 83.58 ms. Allocated memory is still 77.6 MB. Free memory was 44.6 MB in the beginning and 42.9 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 04:53:38,330 INFO L168 Benchmark]: RCFGBuilder took 716.00 ms. Allocated memory is still 77.6 MB. Free memory was 42.9 MB in the beginning and 48.1 MB in the end (delta: -5.2 MB). Peak memory consumption was 7.8 MB. Max. memory is 16.1 GB. [2021-10-29 04:53:38,331 INFO L168 Benchmark]: TraceAbstraction took 318326.95 ms. Allocated memory was 77.6 MB in the beginning and 408.9 MB in the end (delta: 331.4 MB). Free memory was 47.8 MB in the beginning and 229.3 MB in the end (delta: -181.5 MB). Peak memory consumption was 246.7 MB. Max. memory is 16.1 GB. [2021-10-29 04:53:38,331 INFO L168 Benchmark]: Witness Printer took 6.39 ms. Allocated memory is still 408.9 MB. Free memory is still 229.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:53:38,342 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 58.7 MB. Free memory is still 39.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 911.43 ms. Allocated memory was 58.7 MB in the beginning and 77.6 MB in the end (delta: 18.9 MB). Free memory was 34.9 MB in the beginning and 46.8 MB in the end (delta: -11.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 106.92 ms. Allocated memory is still 77.6 MB. Free memory was 46.7 MB in the beginning and 44.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 83.58 ms. Allocated memory is still 77.6 MB. Free memory was 44.6 MB in the beginning and 42.9 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 716.00 ms. Allocated memory is still 77.6 MB. Free memory was 42.9 MB in the beginning and 48.1 MB in the end (delta: -5.2 MB). Peak memory consumption was 7.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 318326.95 ms. Allocated memory was 77.6 MB in the beginning and 408.9 MB in the end (delta: 331.4 MB). Free memory was 47.8 MB in the beginning and 229.3 MB in the end (delta: -181.5 MB). Peak memory consumption was 246.7 MB. Max. memory is 16.1 GB. * Witness Printer took 6.39 ms. Allocated memory is still 408.9 MB. Free memory is still 229.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 651]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: unable to decide satisfiability of path constraint. Possible FailurePath: [L640] char a[sizeof(int*)]; [L643] int *p = (int *)malloc(10); [L643] int *p = (int *)malloc(10); [L643] int *p = (int *)malloc(10); [L649] void *p; [L651] EXPR \read(*p) [L651] free(p) - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 651]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 651]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 651]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 651]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 646]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 38 locations, 14 error locations. Started 1 CEGAR loops. OverallTime: 318.2s, OverallIterations: 12, TraceHistogramMax: 4, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 20.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 194 SDtfs, 418 SDslu, 269 SDs, 0 SdLazy, 507 SolverSat, 63 SolverUnsat, 7 SolverUnknown, 0 SolverNotchecked, 19.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 399 GetRequests, 333 SyntacticMatches, 3 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 6.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=40occurred in iteration=7, InterpolantAutomatonStates: 52, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 11 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 112.7s InterpolantComputationTime, 238 NumberOfCodeBlocks, 233 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 416 ConstructedInterpolants, 66 QuantifiedInterpolants, 3771 SizeOfPredicates, 81 NumberOfNonLiveVariables, 1454 ConjunctsInSsa, 117 ConjunctsInUnsatCore, 31 InterpolantComputations, 20 PerfectInterpolantSequences, 156/196 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 [2021-10-29 04:53:38,417 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfac3b34-1aa0-42b5-95f2-c3daa9d0c8da/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...