./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test4-3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4d3a75-ed70-49fb-8f40-c4c072cef2f5/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4d3a75-ed70-49fb-8f40-c4c072cef2f5/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4d3a75-ed70-49fb-8f40-c4c072cef2f5/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4d3a75-ed70-49fb-8f40-c4c072cef2f5/bin/utaipan-verify-sOmjnqqW8E/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test4-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4d3a75-ed70-49fb-8f40-c4c072cef2f5/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-MemCleanup-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4d3a75-ed70-49fb-8f40-c4c072cef2f5/bin/utaipan-verify-sOmjnqqW8E --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f41a78d87834195eab5eb2e1b786d665ee0f261c86aa89f4e0ae15aff9e9d1ee --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 04:08:34,511 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 04:08:34,607 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4d3a75-ed70-49fb-8f40-c4c072cef2f5/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-MemCleanup-32bit-Taipan_Default.epf [2024-11-14 04:08:34,614 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 04:08:34,614 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 04:08:34,647 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 04:08:34,647 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 04:08:34,648 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 04:08:34,648 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 04:08:34,649 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 04:08:34,649 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 04:08:34,649 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 04:08:34,649 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 04:08:34,649 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 04:08:34,650 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 04:08:34,650 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 04:08:34,650 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 04:08:34,650 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 04:08:34,650 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 04:08:34,650 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 04:08:34,651 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 04:08:34,651 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 04:08:34,651 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-14 04:08:34,651 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-14 04:08:34,651 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 04:08:34,652 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 04:08:34,652 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 04:08:34,652 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 04:08:34,652 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 04:08:34,652 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 04:08:34,652 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 04:08:34,652 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-14 04:08:34,652 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-14 04:08:34,653 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 04:08:34,653 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 04:08:34,653 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-14 04:08:34,654 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 04:08:34,654 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-14 04:08:34,654 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 04:08:34,654 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 04:08:34,654 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 04:08:34,655 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 04:08:34,655 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 04:08:34,655 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 04:08:34,655 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:08:34,655 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 04:08:34,656 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 04:08:34,656 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 04:08:34,656 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 04:08:34,656 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 04:08:34,656 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 04:08:34,656 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 04:08:34,657 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_dd4d3a75-ed70-49fb-8f40-c4c072cef2f5/bin/utaipan-verify-sOmjnqqW8E Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness 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-memcleanup) ) 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 -> f41a78d87834195eab5eb2e1b786d665ee0f261c86aa89f4e0ae15aff9e9d1ee [2024-11-14 04:08:35,075 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 04:08:35,090 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 04:08:35,095 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 04:08:35,097 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 04:08:35,097 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 04:08:35,101 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4d3a75-ed70-49fb-8f40-c4c072cef2f5/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test4-3.i Unable to find full path for "g++" [2024-11-14 04:08:37,393 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 04:08:38,022 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 04:08:38,022 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4d3a75-ed70-49fb-8f40-c4c072cef2f5/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test4-3.i [2024-11-14 04:08:38,057 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4d3a75-ed70-49fb-8f40-c4c072cef2f5/bin/utaipan-verify-sOmjnqqW8E/data/4106c550e/e1585a4fe7444d6fa684d8e933e8ee1b/FLAG6bffd3162 [2024-11-14 04:08:38,082 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4d3a75-ed70-49fb-8f40-c4c072cef2f5/bin/utaipan-verify-sOmjnqqW8E/data/4106c550e/e1585a4fe7444d6fa684d8e933e8ee1b [2024-11-14 04:08:38,085 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 04:08:38,088 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 04:08:38,092 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 04:08:38,093 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 04:08:38,099 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 04:08:38,100 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:08:38" (1/1) ... [2024-11-14 04:08:38,101 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6932d67f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:08:38, skipping insertion in model container [2024-11-14 04:08:38,102 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:08:38" (1/1) ... [2024-11-14 04:08:38,178 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 04:08:38,929 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 04:08:38,998 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 04:08:39,012 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 04:08:39,019 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 04:08:39,032 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 04:08:39,077 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 04:08:39,080 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 04:08:39,084 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 04:08:39,092 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 04:08:39,106 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 04:08:39,107 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 04:08:39,111 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 04:08:39,113 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 04:08:39,114 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 04:08:39,115 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 04:08:39,122 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 04:08:39,124 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 04:08:39,125 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 04:08:39,126 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 04:08:39,132 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 04:08:39,139 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:08:39,159 ERROR L321 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2024-11-14 04:08:39,160 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@497824a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:08:39, skipping insertion in model container [2024-11-14 04:08:39,160 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 04:08:39,160 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-11-14 04:08:39,166 INFO L158 Benchmark]: Toolchain (without parser) took 1073.44ms. Allocated memory is still 142.6MB. Free memory was 107.9MB in the beginning and 86.2MB in the end (delta: 21.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-14 04:08:39,166 INFO L158 Benchmark]: CDTParser took 1.54ms. Allocated memory is still 167.8MB. Free memory is still 105.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:08:39,167 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1068.30ms. Allocated memory is still 142.6MB. Free memory was 107.9MB in the beginning and 86.2MB in the end (delta: 21.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-14 04:08:39,168 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.54ms. Allocated memory is still 167.8MB. Free memory is still 105.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1068.30ms. Allocated memory is still 142.6MB. Free memory was 107.9MB in the beginning and 86.2MB in the end (delta: 21.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 769]: Unsupported Syntax Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4d3a75-ed70-49fb-8f40-c4c072cef2f5/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4d3a75-ed70-49fb-8f40-c4c072cef2f5/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4d3a75-ed70-49fb-8f40-c4c072cef2f5/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4d3a75-ed70-49fb-8f40-c4c072cef2f5/bin/utaipan-verify-sOmjnqqW8E/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test4-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4d3a75-ed70-49fb-8f40-c4c072cef2f5/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-MemCleanup-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4d3a75-ed70-49fb-8f40-c4c072cef2f5/bin/utaipan-verify-sOmjnqqW8E --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f41a78d87834195eab5eb2e1b786d665ee0f261c86aa89f4e0ae15aff9e9d1ee --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 04:08:42,469 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 04:08:42,600 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4d3a75-ed70-49fb-8f40-c4c072cef2f5/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-MemCleanup-32bit-Taipan_Bitvector.epf [2024-11-14 04:08:42,612 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 04:08:42,615 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 04:08:42,664 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 04:08:42,666 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 04:08:42,666 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 04:08:42,667 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 04:08:42,667 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 04:08:42,668 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 04:08:42,669 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 04:08:42,669 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 04:08:42,669 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 04:08:42,669 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 04:08:42,670 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 04:08:42,670 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-14 04:08:42,670 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-14 04:08:42,670 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 04:08:42,670 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 04:08:42,670 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 04:08:42,670 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 04:08:42,671 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 04:08:42,671 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 04:08:42,671 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 04:08:42,671 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-14 04:08:42,671 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-14 04:08:42,671 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 04:08:42,671 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 04:08:42,671 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-14 04:08:42,671 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-14 04:08:42,671 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 04:08:42,671 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-14 04:08:42,671 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-14 04:08:42,672 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 04:08:42,672 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 04:08:42,672 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 04:08:42,673 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 04:08:42,674 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-14 04:08:42,674 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 04:08:42,674 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 04:08:42,674 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:08:42,674 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 04:08:42,675 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 04:08:42,675 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-14 04:08:42,676 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-14 04:08:42,676 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 04:08:42,676 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 04:08:42,676 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_dd4d3a75-ed70-49fb-8f40-c4c072cef2f5/bin/utaipan-verify-sOmjnqqW8E Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness 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-memcleanup) ) 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 -> f41a78d87834195eab5eb2e1b786d665ee0f261c86aa89f4e0ae15aff9e9d1ee [2024-11-14 04:08:43,044 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 04:08:43,062 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 04:08:43,067 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 04:08:43,069 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 04:08:43,070 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 04:08:43,072 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4d3a75-ed70-49fb-8f40-c4c072cef2f5/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test4-3.i Unable to find full path for "g++" [2024-11-14 04:08:45,630 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 04:08:46,164 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 04:08:46,165 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4d3a75-ed70-49fb-8f40-c4c072cef2f5/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test4-3.i [2024-11-14 04:08:46,201 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4d3a75-ed70-49fb-8f40-c4c072cef2f5/bin/utaipan-verify-sOmjnqqW8E/data/e3e0e5b95/d653498918f645baa975bc2ae29625c1/FLAG215c73fb5 [2024-11-14 04:08:46,232 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4d3a75-ed70-49fb-8f40-c4c072cef2f5/bin/utaipan-verify-sOmjnqqW8E/data/e3e0e5b95/d653498918f645baa975bc2ae29625c1 [2024-11-14 04:08:46,235 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 04:08:46,238 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 04:08:46,240 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 04:08:46,240 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 04:08:46,246 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 04:08:46,247 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:08:46" (1/1) ... [2024-11-14 04:08:46,250 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40314bec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:08:46, skipping insertion in model container [2024-11-14 04:08:46,251 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:08:46" (1/1) ... [2024-11-14 04:08:46,329 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 04:08:46,994 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 04:08:47,062 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 04:08:47,071 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 04:08:47,085 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 04:08:47,109 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 04:08:47,167 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 04:08:47,175 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 04:08:47,184 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 04:08:47,200 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 04:08:47,220 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 04:08:47,221 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 04:08:47,225 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 04:08:47,227 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 04:08:47,229 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 04:08:47,230 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 04:08:47,238 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 04:08:47,240 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 04:08:47,241 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 04:08:47,242 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 04:08:47,249 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 04:08:47,256 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:08:47,273 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-14 04:08:47,292 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 04:08:47,339 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 04:08:47,370 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 04:08:47,373 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 04:08:47,377 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 04:08:47,385 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 04:08:47,418 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 04:08:47,421 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 04:08:47,424 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 04:08:47,430 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 04:08:47,454 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 04:08:47,455 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 04:08:47,461 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 04:08:47,462 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 04:08:47,466 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 04:08:47,466 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 04:08:47,479 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 04:08:47,480 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 04:08:47,481 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 04:08:47,484 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 04:08:47,490 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 04:08:47,496 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:08:47,506 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 04:08:47,649 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:08:47,704 INFO L204 MainTranslator]: Completed translation [2024-11-14 04:08:47,705 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:08:47 WrapperNode [2024-11-14 04:08:47,706 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 04:08:47,707 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 04:08:47,708 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 04:08:47,708 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 04:08:47,718 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:08:47" (1/1) ... [2024-11-14 04:08:47,770 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:08:47" (1/1) ... [2024-11-14 04:08:47,876 INFO L138 Inliner]: procedures = 179, calls = 435, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1428 [2024-11-14 04:08:47,877 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 04:08:47,878 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 04:08:47,878 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 04:08:47,878 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 04:08:47,887 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:08:47" (1/1) ... [2024-11-14 04:08:47,887 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:08:47" (1/1) ... [2024-11-14 04:08:47,902 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:08:47" (1/1) ... [2024-11-14 04:08:47,902 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:08:47" (1/1) ... [2024-11-14 04:08:47,981 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:08:47" (1/1) ... [2024-11-14 04:08:48,004 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:08:47" (1/1) ... [2024-11-14 04:08:48,017 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:08:47" (1/1) ... [2024-11-14 04:08:48,026 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:08:47" (1/1) ... [2024-11-14 04:08:48,048 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 04:08:48,049 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 04:08:48,050 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 04:08:48,050 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 04:08:48,051 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:08:47" (1/1) ... [2024-11-14 04:08:48,064 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:08:48,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4d3a75-ed70-49fb-8f40-c4c072cef2f5/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:08:48,099 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4d3a75-ed70-49fb-8f40-c4c072cef2f5/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 04:08:48,104 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4d3a75-ed70-49fb-8f40-c4c072cef2f5/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 04:08:48,148 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-11-14 04:08:48,148 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-14 04:08:48,148 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-14 04:08:48,149 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-14 04:08:48,149 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2024-11-14 04:08:48,151 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2024-11-14 04:08:48,151 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-14 04:08:48,151 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 04:08:48,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-14 04:08:48,151 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-14 04:08:48,151 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-14 04:08:48,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-14 04:08:48,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-14 04:08:48,152 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 04:08:48,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 04:08:48,555 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 04:08:48,558 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 04:09:03,102 INFO L? ?]: Removed 206 outVars from TransFormulas that were not future-live. [2024-11-14 04:09:03,103 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 04:09:03,127 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 04:09:03,127 INFO L316 CfgBuilder]: Removed 77 assume(true) statements. [2024-11-14 04:09:03,127 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:09:03 BoogieIcfgContainer [2024-11-14 04:09:03,128 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 04:09:03,131 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 04:09:03,131 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 04:09:03,137 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 04:09:03,137 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 04:08:46" (1/3) ... [2024-11-14 04:09:03,138 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c32ec88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:09:03, skipping insertion in model container [2024-11-14 04:09:03,138 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:08:47" (2/3) ... [2024-11-14 04:09:03,138 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c32ec88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:09:03, skipping insertion in model container [2024-11-14 04:09:03,139 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:09:03" (3/3) ... [2024-11-14 04:09:03,140 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_SAX_test4-3.i [2024-11-14 04:09:03,159 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 04:09:03,161 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG uthash_SAX_test4-3.i that has 3 procedures, 270 locations, 1 initial locations, 44 loop locations, and 2 error locations. [2024-11-14 04:09:03,219 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 04:09:03,234 INFO L333 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, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@473eddff, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 04:09:03,235 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-14 04:09:03,241 INFO L276 IsEmpty]: Start isEmpty. Operand has 270 states, 249 states have (on average 1.6666666666666667) internal successors, (415), 261 states have internal predecessors, (415), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-14 04:09:03,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-14 04:09:03,250 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:09:03,251 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:09:03,252 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-14 04:09:03,256 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:09:03,256 INFO L85 PathProgramCache]: Analyzing trace with hash 1627508310, now seen corresponding path program 1 times [2024-11-14 04:09:03,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:09:03,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [902790614] [2024-11-14 04:09:03,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:09:03,269 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 04:09:03,269 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4d3a75-ed70-49fb-8f40-c4c072cef2f5/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:09:03,272 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4d3a75-ed70-49fb-8f40-c4c072cef2f5/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 04:09:03,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4d3a75-ed70-49fb-8f40-c4c072cef2f5/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-14 04:09:03,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:09:03,579 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-14 04:09:03,585 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:09:03,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:09:03,643 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:09:03,643 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:09:03,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [902790614] [2024-11-14 04:09:03,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [902790614] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:09:03,646 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:09:03,646 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 04:09:03,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [904962093] [2024-11-14 04:09:03,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:09:03,654 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 04:09:03,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:09:03,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 04:09:03,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 04:09:03,695 INFO L87 Difference]: Start difference. First operand has 270 states, 249 states have (on average 1.6666666666666667) internal successors, (415), 261 states have internal predecessors, (415), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:09:04,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:09:04,109 INFO L93 Difference]: Finished difference Result 443 states and 586 transitions. [2024-11-14 04:09:04,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 04:09:04,112 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2024-11-14 04:09:04,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:09:04,125 INFO L225 Difference]: With dead ends: 443 [2024-11-14 04:09:04,125 INFO L226 Difference]: Without dead ends: 441 [2024-11-14 04:09:04,127 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 04:09:04,131 INFO L432 NwaCegarLoop]: 361 mSDtfsCounter, 213 mSDsluCounter, 354 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 219 SdHoareTripleChecker+Valid, 715 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-14 04:09:04,132 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [219 Valid, 715 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-14 04:09:04,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 441 states. [2024-11-14 04:09:04,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 441 to 268. [2024-11-14 04:09:04,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 268 states, 248 states have (on average 1.3185483870967742) internal successors, (327), 259 states have internal predecessors, (327), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-14 04:09:04,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 359 transitions. [2024-11-14 04:09:04,242 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 359 transitions. Word has length 11 [2024-11-14 04:09:04,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:09:04,243 INFO L471 AbstractCegarLoop]: Abstraction has 268 states and 359 transitions. [2024-11-14 04:09:04,243 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:09:04,243 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 359 transitions. [2024-11-14 04:09:04,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-14 04:09:04,255 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:09:04,255 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:09:04,261 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4d3a75-ed70-49fb-8f40-c4c072cef2f5/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-14 04:09:04,456 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4d3a75-ed70-49fb-8f40-c4c072cef2f5/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 04:09:04,457 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-14 04:09:04,458 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:09:04,458 INFO L85 PathProgramCache]: Analyzing trace with hash -1064913440, now seen corresponding path program 1 times [2024-11-14 04:09:04,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:09:04,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [801879558] [2024-11-14 04:09:04,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:09:04,466 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 04:09:04,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4d3a75-ed70-49fb-8f40-c4c072cef2f5/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:09:04,469 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4d3a75-ed70-49fb-8f40-c4c072cef2f5/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 04:09:04,473 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4d3a75-ed70-49fb-8f40-c4c072cef2f5/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-14 04:09:05,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:09:05,516 INFO L255 TraceCheckSpWp]: Trace formula consists of 538 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-14 04:09:05,523 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:09:05,634 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:09:05,634 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:09:05,635 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:09:05,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [801879558] [2024-11-14 04:09:05,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [801879558] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:09:05,635 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:09:05,635 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 04:09:05,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188911530] [2024-11-14 04:09:05,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:09:05,637 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-14 04:09:05,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:09:05,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-14 04:09:05,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-14 04:09:05,639 INFO L87 Difference]: Start difference. First operand 268 states and 359 transitions. Second operand has 5 states, 5 states have (on average 23.2) internal successors, (116), 5 states have internal predecessors, (116), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:09:05,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:09:05,884 INFO L93 Difference]: Finished difference Result 271 states and 354 transitions. [2024-11-14 04:09:05,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 04:09:05,885 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.2) internal successors, (116), 5 states have internal predecessors, (116), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2024-11-14 04:09:05,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:09:05,887 INFO L225 Difference]: With dead ends: 271 [2024-11-14 04:09:05,887 INFO L226 Difference]: Without dead ends: 271 [2024-11-14 04:09:05,888 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-14 04:09:05,889 INFO L432 NwaCegarLoop]: 327 mSDtfsCounter, 12 mSDsluCounter, 952 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 1279 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-14 04:09:05,889 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 1279 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-14 04:09:05,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states. [2024-11-14 04:09:05,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 271. [2024-11-14 04:09:05,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 271 states, 251 states have (on average 1.2828685258964143) internal successors, (322), 262 states have internal predecessors, (322), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-14 04:09:05,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 271 states and 354 transitions. [2024-11-14 04:09:05,909 INFO L78 Accepts]: Start accepts. Automaton has 271 states and 354 transitions. Word has length 117 [2024-11-14 04:09:05,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:09:05,910 INFO L471 AbstractCegarLoop]: Abstraction has 271 states and 354 transitions. [2024-11-14 04:09:05,910 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.2) internal successors, (116), 5 states have internal predecessors, (116), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:09:05,910 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 354 transitions. [2024-11-14 04:09:05,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-14 04:09:05,915 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:09:05,915 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:09:05,929 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4d3a75-ed70-49fb-8f40-c4c072cef2f5/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2024-11-14 04:09:06,119 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4d3a75-ed70-49fb-8f40-c4c072cef2f5/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 04:09:06,121 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-14 04:09:06,122 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:09:06,122 INFO L85 PathProgramCache]: Analyzing trace with hash -889787410, now seen corresponding path program 1 times [2024-11-14 04:09:06,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:09:06,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1061064281] [2024-11-14 04:09:06,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:09:06,124 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 04:09:06,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4d3a75-ed70-49fb-8f40-c4c072cef2f5/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:09:06,127 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4d3a75-ed70-49fb-8f40-c4c072cef2f5/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 04:09:06,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4d3a75-ed70-49fb-8f40-c4c072cef2f5/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-14 04:09:07,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:09:07,045 INFO L255 TraceCheckSpWp]: Trace formula consists of 524 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-14 04:09:07,055 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:09:07,292 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:09:07,292 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:09:07,292 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:09:07,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1061064281] [2024-11-14 04:09:07,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1061064281] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:09:07,293 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:09:07,293 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 04:09:07,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006822871] [2024-11-14 04:09:07,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:09:07,294 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-14 04:09:07,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:09:07,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-14 04:09:07,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-14 04:09:07,297 INFO L87 Difference]: Start difference. First operand 271 states and 354 transitions. Second operand has 5 states, 5 states have (on average 23.2) internal successors, (116), 5 states have internal predecessors, (116), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:09:07,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:09:07,452 INFO L93 Difference]: Finished difference Result 265 states and 344 transitions. [2024-11-14 04:09:07,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 04:09:07,454 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.2) internal successors, (116), 5 states have internal predecessors, (116), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2024-11-14 04:09:07,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:09:07,456 INFO L225 Difference]: With dead ends: 265 [2024-11-14 04:09:07,456 INFO L226 Difference]: Without dead ends: 265 [2024-11-14 04:09:07,457 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-14 04:09:07,459 INFO L432 NwaCegarLoop]: 327 mSDtfsCounter, 4 mSDsluCounter, 635 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 962 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 04:09:07,460 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 962 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 04:09:07,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2024-11-14 04:09:07,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 265. [2024-11-14 04:09:07,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 265 states, 245 states have (on average 1.273469387755102) internal successors, (312), 256 states have internal predecessors, (312), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-14 04:09:07,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 344 transitions. [2024-11-14 04:09:07,496 INFO L78 Accepts]: Start accepts. Automaton has 265 states and 344 transitions. Word has length 117 [2024-11-14 04:09:07,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:09:07,499 INFO L471 AbstractCegarLoop]: Abstraction has 265 states and 344 transitions. [2024-11-14 04:09:07,500 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.2) internal successors, (116), 5 states have internal predecessors, (116), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:09:07,500 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 344 transitions. [2024-11-14 04:09:07,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-14 04:09:07,508 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:09:07,508 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:09:07,531 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4d3a75-ed70-49fb-8f40-c4c072cef2f5/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-11-14 04:09:07,709 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4d3a75-ed70-49fb-8f40-c4c072cef2f5/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 04:09:07,709 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-14 04:09:07,710 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:09:07,710 INFO L85 PathProgramCache]: Analyzing trace with hash 467222378, now seen corresponding path program 1 times [2024-11-14 04:09:07,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:09:07,712 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [271959755] [2024-11-14 04:09:07,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:09:07,712 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 04:09:07,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4d3a75-ed70-49fb-8f40-c4c072cef2f5/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:09:07,719 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4d3a75-ed70-49fb-8f40-c4c072cef2f5/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 04:09:07,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4d3a75-ed70-49fb-8f40-c4c072cef2f5/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-14 04:09:08,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:09:08,598 INFO L255 TraceCheckSpWp]: Trace formula consists of 528 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-14 04:09:08,604 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:09:09,091 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:09:09,091 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:09:09,092 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:09:09,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [271959755] [2024-11-14 04:09:09,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [271959755] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:09:09,092 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:09:09,092 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 04:09:09,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672436622] [2024-11-14 04:09:09,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:09:09,093 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 04:09:09,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:09:09,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 04:09:09,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 04:09:09,095 INFO L87 Difference]: Start difference. First operand 265 states and 344 transitions. Second operand has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:09:10,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:09:10,373 INFO L93 Difference]: Finished difference Result 354 states and 450 transitions. [2024-11-14 04:09:10,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 04:09:10,382 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2024-11-14 04:09:10,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:09:10,385 INFO L225 Difference]: With dead ends: 354 [2024-11-14 04:09:10,385 INFO L226 Difference]: Without dead ends: 354 [2024-11-14 04:09:10,385 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 04:09:10,389 INFO L432 NwaCegarLoop]: 366 mSDtfsCounter, 68 mSDsluCounter, 322 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 688 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-14 04:09:10,390 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 688 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-14 04:09:10,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2024-11-14 04:09:10,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 301. [2024-11-14 04:09:10,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 281 states have (on average 1.2384341637010676) internal successors, (348), 292 states have internal predecessors, (348), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-14 04:09:10,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 380 transitions. [2024-11-14 04:09:10,412 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 380 transitions. Word has length 117 [2024-11-14 04:09:10,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:09:10,416 INFO L471 AbstractCegarLoop]: Abstraction has 301 states and 380 transitions. [2024-11-14 04:09:10,416 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:09:10,416 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 380 transitions. [2024-11-14 04:09:10,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-14 04:09:10,425 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:09:10,425 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:09:10,436 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4d3a75-ed70-49fb-8f40-c4c072cef2f5/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2024-11-14 04:09:10,626 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4d3a75-ed70-49fb-8f40-c4c072cef2f5/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 04:09:10,626 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-14 04:09:10,627 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:09:10,627 INFO L85 PathProgramCache]: Analyzing trace with hash 535041804, now seen corresponding path program 1 times [2024-11-14 04:09:10,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:09:10,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1364130176] [2024-11-14 04:09:10,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:09:10,628 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 04:09:10,629 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4d3a75-ed70-49fb-8f40-c4c072cef2f5/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:09:10,631 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4d3a75-ed70-49fb-8f40-c4c072cef2f5/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 04:09:10,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4d3a75-ed70-49fb-8f40-c4c072cef2f5/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-11-14 04:09:11,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:09:11,608 INFO L255 TraceCheckSpWp]: Trace formula consists of 657 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-14 04:09:11,629 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:09:11,701 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:09:11,701 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:09:11,702 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:09:11,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1364130176] [2024-11-14 04:09:11,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1364130176] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:09:11,702 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:09:11,702 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 04:09:11,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [33928127] [2024-11-14 04:09:11,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:09:11,703 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 04:09:11,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:09:11,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 04:09:11,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 04:09:11,706 INFO L87 Difference]: Start difference. First operand 301 states and 380 transitions. Second operand has 4 states, 4 states have (on average 31.75) internal successors, (127), 4 states have internal predecessors, (127), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-14 04:09:11,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:09:11,810 INFO L93 Difference]: Finished difference Result 304 states and 385 transitions. [2024-11-14 04:09:11,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 04:09:11,811 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 31.75) internal successors, (127), 4 states have internal predecessors, (127), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 132 [2024-11-14 04:09:11,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:09:11,814 INFO L225 Difference]: With dead ends: 304 [2024-11-14 04:09:11,815 INFO L226 Difference]: Without dead ends: 304 [2024-11-14 04:09:11,816 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 04:09:11,817 INFO L432 NwaCegarLoop]: 339 mSDtfsCounter, 0 mSDsluCounter, 671 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1010 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 04:09:11,819 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1010 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 04:09:11,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2024-11-14 04:09:11,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 304. [2024-11-14 04:09:11,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 304 states, 283 states have (on average 1.2402826855123674) internal successors, (351), 295 states have internal predecessors, (351), 16 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (18), 7 states have call predecessors, (18), 16 states have call successors, (18) [2024-11-14 04:09:11,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 385 transitions. [2024-11-14 04:09:11,848 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 385 transitions. Word has length 132 [2024-11-14 04:09:11,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:09:11,849 INFO L471 AbstractCegarLoop]: Abstraction has 304 states and 385 transitions. [2024-11-14 04:09:11,849 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 31.75) internal successors, (127), 4 states have internal predecessors, (127), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-14 04:09:11,849 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 385 transitions. [2024-11-14 04:09:11,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-14 04:09:11,855 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:09:11,855 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:09:11,870 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4d3a75-ed70-49fb-8f40-c4c072cef2f5/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2024-11-14 04:09:12,056 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4d3a75-ed70-49fb-8f40-c4c072cef2f5/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 04:09:12,056 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-14 04:09:12,057 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:09:12,057 INFO L85 PathProgramCache]: Analyzing trace with hash -2075254226, now seen corresponding path program 1 times [2024-11-14 04:09:12,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:09:12,058 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1553008347] [2024-11-14 04:09:12,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:09:12,058 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 04:09:12,058 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4d3a75-ed70-49fb-8f40-c4c072cef2f5/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:09:12,060 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4d3a75-ed70-49fb-8f40-c4c072cef2f5/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 04:09:12,062 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4d3a75-ed70-49fb-8f40-c4c072cef2f5/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2024-11-14 04:09:13,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:09:13,089 INFO L255 TraceCheckSpWp]: Trace formula consists of 679 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-14 04:09:13,093 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:09:13,181 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-14 04:09:13,181 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:09:13,390 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-14 04:09:13,391 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:09:13,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1553008347] [2024-11-14 04:09:13,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1553008347] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 04:09:13,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [832881719] [2024-11-14 04:09:13,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:09:13,392 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-14 04:09:13,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4d3a75-ed70-49fb-8f40-c4c072cef2f5/bin/utaipan-verify-sOmjnqqW8E/cvc4 [2024-11-14 04:09:13,411 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4d3a75-ed70-49fb-8f40-c4c072cef2f5/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-14 04:09:13,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4d3a75-ed70-49fb-8f40-c4c072cef2f5/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-14 04:09:14,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:09:14,709 INFO L255 TraceCheckSpWp]: Trace formula consists of 679 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-14 04:09:14,714 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:09:14,791 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-14 04:09:14,791 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:09:14,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [832881719] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:09:14,792 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-14 04:09:14,792 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5, 5] total 9 [2024-11-14 04:09:14,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618861420] [2024-11-14 04:09:14,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:09:14,793 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 04:09:14,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:09:14,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 04:09:14,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-14 04:09:14,794 INFO L87 Difference]: Start difference. First operand 304 states and 385 transitions. Second operand has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-14 04:09:14,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:09:14,978 INFO L93 Difference]: Finished difference Result 324 states and 405 transitions. [2024-11-14 04:09:14,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 04:09:14,979 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 134 [2024-11-14 04:09:14,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:09:14,981 INFO L225 Difference]: With dead ends: 324 [2024-11-14 04:09:14,981 INFO L226 Difference]: Without dead ends: 324 [2024-11-14 04:09:14,982 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 399 GetRequests, 392 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-14 04:09:14,983 INFO L432 NwaCegarLoop]: 323 mSDtfsCounter, 6 mSDsluCounter, 308 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 631 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-14 04:09:14,983 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 631 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-14 04:09:14,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2024-11-14 04:09:14,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 324. [2024-11-14 04:09:14,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 324 states, 303 states have (on average 1.2244224422442245) internal successors, (371), 315 states have internal predecessors, (371), 16 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (18), 7 states have call predecessors, (18), 16 states have call successors, (18) [2024-11-14 04:09:14,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 405 transitions. [2024-11-14 04:09:14,998 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 405 transitions. Word has length 134 [2024-11-14 04:09:14,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:09:14,999 INFO L471 AbstractCegarLoop]: Abstraction has 324 states and 405 transitions. [2024-11-14 04:09:14,999 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-14 04:09:14,999 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 405 transitions. [2024-11-14 04:09:15,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-14 04:09:15,001 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:09:15,004 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:09:15,014 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4d3a75-ed70-49fb-8f40-c4c072cef2f5/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0 [2024-11-14 04:09:15,210 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4d3a75-ed70-49fb-8f40-c4c072cef2f5/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-14 04:09:15,405 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4d3a75-ed70-49fb-8f40-c4c072cef2f5/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4d3a75-ed70-49fb-8f40-c4c072cef2f5/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt [2024-11-14 04:09:15,405 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-14 04:09:15,406 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:09:15,406 INFO L85 PathProgramCache]: Analyzing trace with hash 280551024, now seen corresponding path program 1 times [2024-11-14 04:09:15,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:09:15,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [20075653] [2024-11-14 04:09:15,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:09:15,407 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 04:09:15,407 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4d3a75-ed70-49fb-8f40-c4c072cef2f5/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:09:15,412 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4d3a75-ed70-49fb-8f40-c4c072cef2f5/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 04:09:15,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4d3a75-ed70-49fb-8f40-c4c072cef2f5/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2024-11-14 04:09:16,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:09:16,503 INFO L255 TraceCheckSpWp]: Trace formula consists of 681 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-14 04:09:16,508 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:09:16,581 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-14 04:09:16,582 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:09:16,734 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-14 04:09:16,734 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:09:16,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [20075653] [2024-11-14 04:09:16,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [20075653] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 04:09:16,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1339873043] [2024-11-14 04:09:16,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:09:16,737 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-14 04:09:16,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4d3a75-ed70-49fb-8f40-c4c072cef2f5/bin/utaipan-verify-sOmjnqqW8E/cvc4 [2024-11-14 04:09:16,743 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4d3a75-ed70-49fb-8f40-c4c072cef2f5/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-14 04:09:16,744 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4d3a75-ed70-49fb-8f40-c4c072cef2f5/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-14 04:09:17,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:09:18,000 INFO L255 TraceCheckSpWp]: Trace formula consists of 681 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-14 04:09:18,004 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:09:19,055 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-14 04:09:19,055 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:09:19,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1339873043] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:09:19,055 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-14 04:09:19,055 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5, 5] total 9 [2024-11-14 04:09:19,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944381301] [2024-11-14 04:09:19,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:09:19,056 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 04:09:19,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:09:19,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 04:09:19,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-14 04:09:19,057 INFO L87 Difference]: Start difference. First operand 324 states and 405 transitions. Second operand has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-14 04:09:19,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:09:19,685 INFO L93 Difference]: Finished difference Result 427 states and 534 transitions. [2024-11-14 04:09:19,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 04:09:19,693 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 134 [2024-11-14 04:09:19,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:09:19,700 INFO L225 Difference]: With dead ends: 427 [2024-11-14 04:09:19,700 INFO L226 Difference]: Without dead ends: 427 [2024-11-14 04:09:19,701 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 399 GetRequests, 392 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-14 04:09:19,702 INFO L432 NwaCegarLoop]: 342 mSDtfsCounter, 46 mSDsluCounter, 334 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 676 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-14 04:09:19,704 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 676 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-14 04:09:19,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 427 states. [2024-11-14 04:09:19,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 427 to 427. [2024-11-14 04:09:19,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 427 states, 403 states have (on average 1.2233250620347396) internal successors, (493), 415 states have internal predecessors, (493), 19 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (22), 10 states have call predecessors, (22), 19 states have call successors, (22) [2024-11-14 04:09:19,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 427 states and 534 transitions. [2024-11-14 04:09:19,731 INFO L78 Accepts]: Start accepts. Automaton has 427 states and 534 transitions. Word has length 134 [2024-11-14 04:09:19,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:09:19,732 INFO L471 AbstractCegarLoop]: Abstraction has 427 states and 534 transitions. [2024-11-14 04:09:19,732 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-14 04:09:19,733 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 534 transitions. [2024-11-14 04:09:19,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-14 04:09:19,737 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:09:19,737 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:09:19,747 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4d3a75-ed70-49fb-8f40-c4c072cef2f5/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2024-11-14 04:09:19,949 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4d3a75-ed70-49fb-8f40-c4c072cef2f5/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Ended with exit code 0 [2024-11-14 04:09:20,138 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4d3a75-ed70-49fb-8f40-c4c072cef2f5/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4d3a75-ed70-49fb-8f40-c4c072cef2f5/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 04:09:20,138 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-14 04:09:20,138 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:09:20,139 INFO L85 PathProgramCache]: Analyzing trace with hash 447145429, now seen corresponding path program 1 times [2024-11-14 04:09:20,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:09:20,140 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [682438863] [2024-11-14 04:09:20,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:09:20,140 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 04:09:20,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4d3a75-ed70-49fb-8f40-c4c072cef2f5/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:09:20,143 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4d3a75-ed70-49fb-8f40-c4c072cef2f5/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 04:09:20,146 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4d3a75-ed70-49fb-8f40-c4c072cef2f5/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2024-11-14 04:09:21,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:09:21,432 INFO L255 TraceCheckSpWp]: Trace formula consists of 832 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-14 04:09:21,436 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:09:21,508 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 22 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-14 04:09:21,509 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:09:21,680 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 1 proven. 19 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-14 04:09:21,681 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:09:21,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [682438863] [2024-11-14 04:09:21,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [682438863] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 04:09:21,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [58913109] [2024-11-14 04:09:21,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:09:21,682 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-14 04:09:21,682 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4d3a75-ed70-49fb-8f40-c4c072cef2f5/bin/utaipan-verify-sOmjnqqW8E/cvc4 [2024-11-14 04:09:21,684 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4d3a75-ed70-49fb-8f40-c4c072cef2f5/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-14 04:09:21,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4d3a75-ed70-49fb-8f40-c4c072cef2f5/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-14 04:09:23,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:09:23,197 INFO L255 TraceCheckSpWp]: Trace formula consists of 832 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-14 04:09:23,201 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:09:23,284 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-14 04:09:23,285 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:09:23,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [58913109] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:09:23,285 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-14 04:09:23,285 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5, 5] total 10 [2024-11-14 04:09:23,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314706655] [2024-11-14 04:09:23,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:09:23,286 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 04:09:23,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:09:23,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 04:09:23,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2024-11-14 04:09:23,287 INFO L87 Difference]: Start difference. First operand 427 states and 534 transitions. Second operand has 4 states, 4 states have (on average 33.5) internal successors, (134), 4 states have internal predecessors, (134), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-14 04:09:23,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:09:23,470 INFO L93 Difference]: Finished difference Result 393 states and 478 transitions. [2024-11-14 04:09:23,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 04:09:23,471 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 33.5) internal successors, (134), 4 states have internal predecessors, (134), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 151 [2024-11-14 04:09:23,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:09:23,474 INFO L225 Difference]: With dead ends: 393 [2024-11-14 04:09:23,474 INFO L226 Difference]: Without dead ends: 393 [2024-11-14 04:09:23,474 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 451 GetRequests, 442 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2024-11-14 04:09:23,475 INFO L432 NwaCegarLoop]: 310 mSDtfsCounter, 32 mSDsluCounter, 606 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 916 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 04:09:23,475 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 916 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 04:09:23,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 393 states. [2024-11-14 04:09:23,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 393 to 393. [2024-11-14 04:09:23,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 393 states, 369 states have (on average 1.184281842818428) internal successors, (437), 381 states have internal predecessors, (437), 19 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (22), 10 states have call predecessors, (22), 19 states have call successors, (22) [2024-11-14 04:09:23,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 478 transitions. [2024-11-14 04:09:23,493 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 478 transitions. Word has length 151 [2024-11-14 04:09:23,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:09:23,493 INFO L471 AbstractCegarLoop]: Abstraction has 393 states and 478 transitions. [2024-11-14 04:09:23,494 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 33.5) internal successors, (134), 4 states have internal predecessors, (134), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-14 04:09:23,494 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 478 transitions. [2024-11-14 04:09:23,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-14 04:09:23,496 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:09:23,496 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:09:23,513 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4d3a75-ed70-49fb-8f40-c4c072cef2f5/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Ended with exit code 0 [2024-11-14 04:09:23,704 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4d3a75-ed70-49fb-8f40-c4c072cef2f5/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-11-14 04:09:23,897 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4d3a75-ed70-49fb-8f40-c4c072cef2f5/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4d3a75-ed70-49fb-8f40-c4c072cef2f5/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt [2024-11-14 04:09:23,897 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-14 04:09:23,898 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:09:23,898 INFO L85 PathProgramCache]: Analyzing trace with hash 12937827, now seen corresponding path program 1 times [2024-11-14 04:09:23,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:09:23,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1895259685] [2024-11-14 04:09:23,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:09:23,899 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 04:09:23,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4d3a75-ed70-49fb-8f40-c4c072cef2f5/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:09:23,901 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4d3a75-ed70-49fb-8f40-c4c072cef2f5/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 04:09:23,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4d3a75-ed70-49fb-8f40-c4c072cef2f5/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2024-11-14 04:09:25,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:09:25,032 INFO L255 TraceCheckSpWp]: Trace formula consists of 818 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-14 04:09:25,038 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:09:25,113 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 22 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-14 04:09:25,113 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:09:25,311 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 1 proven. 19 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-14 04:09:25,312 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:09:25,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1895259685] [2024-11-14 04:09:25,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1895259685] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 04:09:25,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1763256502] [2024-11-14 04:09:25,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:09:25,312 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-14 04:09:25,313 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4d3a75-ed70-49fb-8f40-c4c072cef2f5/bin/utaipan-verify-sOmjnqqW8E/cvc4 [2024-11-14 04:09:25,315 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4d3a75-ed70-49fb-8f40-c4c072cef2f5/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-14 04:09:25,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4d3a75-ed70-49fb-8f40-c4c072cef2f5/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-14 04:09:27,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:09:27,206 INFO L255 TraceCheckSpWp]: Trace formula consists of 818 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-14 04:09:27,209 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:09:27,240 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 22 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-14 04:09:27,241 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:09:27,332 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 1 proven. 19 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-14 04:09:27,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1763256502] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 04:09:27,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [81538995] [2024-11-14 04:09:27,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:09:27,333 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:09:27,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4d3a75-ed70-49fb-8f40-c4c072cef2f5/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:09:27,336 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4d3a75-ed70-49fb-8f40-c4c072cef2f5/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 04:09:27,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4d3a75-ed70-49fb-8f40-c4c072cef2f5/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-14 04:09:28,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:09:28,402 INFO L255 TraceCheckSpWp]: Trace formula consists of 818 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-14 04:09:28,405 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:09:28,966 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-14 04:09:28,966 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:09:29,691 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-14 04:09:29,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [81538995] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 04:09:29,691 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2024-11-14 04:09:29,691 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 4, 4] total 12 [2024-11-14 04:09:29,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475104452] [2024-11-14 04:09:29,692 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2024-11-14 04:09:29,693 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-14 04:09:29,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:09:29,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-14 04:09:29,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2024-11-14 04:09:29,695 INFO L87 Difference]: Start difference. First operand 393 states and 478 transitions. Second operand has 12 states, 12 states have (on average 31.5) internal successors, (378), 12 states have internal predecessors, (378), 4 states have call successors, (16), 2 states have call predecessors, (16), 4 states have return successors, (16), 3 states have call predecessors, (16), 4 states have call successors, (16) [2024-11-14 04:09:31,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:09:31,342 INFO L93 Difference]: Finished difference Result 800 states and 973 transitions. [2024-11-14 04:09:31,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-14 04:09:31,343 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 31.5) internal successors, (378), 12 states have internal predecessors, (378), 4 states have call successors, (16), 2 states have call predecessors, (16), 4 states have return successors, (16), 3 states have call predecessors, (16), 4 states have call successors, (16) Word has length 151 [2024-11-14 04:09:31,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:09:31,347 INFO L225 Difference]: With dead ends: 800 [2024-11-14 04:09:31,347 INFO L226 Difference]: Without dead ends: 800 [2024-11-14 04:09:31,348 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 905 GetRequests, 891 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2024-11-14 04:09:31,348 INFO L432 NwaCegarLoop]: 563 mSDtfsCounter, 725 mSDsluCounter, 2757 mSDsCounter, 0 mSdLazyCounter, 184 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 745 SdHoareTripleChecker+Valid, 3320 SdHoareTripleChecker+Invalid, 243 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-14 04:09:31,349 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [745 Valid, 3320 Invalid, 243 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 184 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-14 04:09:31,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 800 states. [2024-11-14 04:09:31,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 800 to 798. [2024-11-14 04:09:31,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 798 states, 758 states have (on average 1.1715039577836412) internal successors, (888), 770 states have internal predecessors, (888), 34 states have call successors, (34), 3 states have call predecessors, (34), 4 states have return successors, (42), 25 states have call predecessors, (42), 34 states have call successors, (42) [2024-11-14 04:09:31,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 798 states to 798 states and 964 transitions. [2024-11-14 04:09:31,380 INFO L78 Accepts]: Start accepts. Automaton has 798 states and 964 transitions. Word has length 151 [2024-11-14 04:09:31,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:09:31,381 INFO L471 AbstractCegarLoop]: Abstraction has 798 states and 964 transitions. [2024-11-14 04:09:31,381 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 31.5) internal successors, (378), 12 states have internal predecessors, (378), 4 states have call successors, (16), 2 states have call predecessors, (16), 4 states have return successors, (16), 3 states have call predecessors, (16), 4 states have call successors, (16) [2024-11-14 04:09:31,382 INFO L276 IsEmpty]: Start isEmpty. Operand 798 states and 964 transitions. [2024-11-14 04:09:31,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 478 [2024-11-14 04:09:31,393 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:09:31,394 INFO L215 NwaCegarLoop]: trace histogram [12, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:09:31,433 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4d3a75-ed70-49fb-8f40-c4c072cef2f5/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-11-14 04:09:31,606 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4d3a75-ed70-49fb-8f40-c4c072cef2f5/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Ended with exit code 0 [2024-11-14 04:09:31,808 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4d3a75-ed70-49fb-8f40-c4c072cef2f5/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-11-14 04:09:31,995 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4d3a75-ed70-49fb-8f40-c4c072cef2f5/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4d3a75-ed70-49fb-8f40-c4c072cef2f5/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4d3a75-ed70-49fb-8f40-c4c072cef2f5/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt [2024-11-14 04:09:31,995 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-14 04:09:31,996 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:09:31,996 INFO L85 PathProgramCache]: Analyzing trace with hash 638422335, now seen corresponding path program 1 times [2024-11-14 04:09:31,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:09:31,998 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1324530328] [2024-11-14 04:09:31,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:09:31,998 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 04:09:31,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4d3a75-ed70-49fb-8f40-c4c072cef2f5/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:09:32,001 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4d3a75-ed70-49fb-8f40-c4c072cef2f5/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 04:09:32,002 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4d3a75-ed70-49fb-8f40-c4c072cef2f5/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2024-11-14 04:09:34,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:09:34,750 INFO L255 TraceCheckSpWp]: Trace formula consists of 2337 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-14 04:09:34,788 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:09:34,916 INFO L134 CoverageAnalysis]: Checked inductivity of 766 backedges. 176 proven. 10 refuted. 0 times theorem prover too weak. 580 trivial. 0 not checked. [2024-11-14 04:09:34,916 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:09:35,273 INFO L134 CoverageAnalysis]: Checked inductivity of 766 backedges. 112 proven. 71 refuted. 0 times theorem prover too weak. 583 trivial. 0 not checked. [2024-11-14 04:09:35,273 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:09:35,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1324530328] [2024-11-14 04:09:35,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1324530328] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 04:09:35,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1070886456] [2024-11-14 04:09:35,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:09:35,274 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-14 04:09:35,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4d3a75-ed70-49fb-8f40-c4c072cef2f5/bin/utaipan-verify-sOmjnqqW8E/cvc4 [2024-11-14 04:09:35,276 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4d3a75-ed70-49fb-8f40-c4c072cef2f5/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-14 04:09:35,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4d3a75-ed70-49fb-8f40-c4c072cef2f5/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-11-14 04:09:39,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:09:39,750 INFO L255 TraceCheckSpWp]: Trace formula consists of 2337 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-14 04:09:39,776 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:09:39,839 INFO L134 CoverageAnalysis]: Checked inductivity of 766 backedges. 176 proven. 10 refuted. 0 times theorem prover too weak. 580 trivial. 0 not checked. [2024-11-14 04:09:39,840 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:09:40,021 INFO L134 CoverageAnalysis]: Checked inductivity of 766 backedges. 112 proven. 71 refuted. 0 times theorem prover too weak. 583 trivial. 0 not checked. [2024-11-14 04:09:40,021 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1070886456] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 04:09:40,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1343699653] [2024-11-14 04:09:40,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:09:40,022 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:09:40,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4d3a75-ed70-49fb-8f40-c4c072cef2f5/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:09:40,024 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4d3a75-ed70-49fb-8f40-c4c072cef2f5/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 04:09:40,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4d3a75-ed70-49fb-8f40-c4c072cef2f5/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-14 04:09:42,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:09:42,331 INFO L255 TraceCheckSpWp]: Trace formula consists of 2337 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-14 04:09:42,339 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:09:42,454 INFO L134 CoverageAnalysis]: Checked inductivity of 766 backedges. 205 proven. 3 refuted. 0 times theorem prover too weak. 558 trivial. 0 not checked. [2024-11-14 04:09:42,454 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:09:42,763 INFO L134 CoverageAnalysis]: Checked inductivity of 766 backedges. 129 proven. 31 refuted. 0 times theorem prover too weak. 606 trivial. 0 not checked. [2024-11-14 04:09:42,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1343699653] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 04:09:42,763 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2024-11-14 04:09:42,764 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8, 8, 6, 6] total 20 [2024-11-14 04:09:42,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741205528] [2024-11-14 04:09:42,764 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2024-11-14 04:09:42,766 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-14 04:09:42,766 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:09:42,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-14 04:09:42,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=115, Invalid=265, Unknown=0, NotChecked=0, Total=380 [2024-11-14 04:09:42,769 INFO L87 Difference]: Start difference. First operand 798 states and 964 transitions. Second operand has 20 states, 20 states have (on average 10.0) internal successors, (200), 20 states have internal predecessors, (200), 2 states have call successors, (9), 2 states have call predecessors, (9), 6 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-14 04:09:44,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:09:44,296 INFO L93 Difference]: Finished difference Result 820 states and 1009 transitions. [2024-11-14 04:09:44,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-14 04:09:44,297 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 10.0) internal successors, (200), 20 states have internal predecessors, (200), 2 states have call successors, (9), 2 states have call predecessors, (9), 6 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 477 [2024-11-14 04:09:44,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:09:44,301 INFO L225 Difference]: With dead ends: 820 [2024-11-14 04:09:44,301 INFO L226 Difference]: Without dead ends: 814 [2024-11-14 04:09:44,302 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2875 GetRequests, 2838 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 277 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=403, Invalid=1079, Unknown=0, NotChecked=0, Total=1482 [2024-11-14 04:09:44,303 INFO L432 NwaCegarLoop]: 326 mSDtfsCounter, 24 mSDsluCounter, 2554 mSDsCounter, 0 mSdLazyCounter, 242 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 2880 SdHoareTripleChecker+Invalid, 291 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 242 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-14 04:09:44,304 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 2880 Invalid, 291 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 242 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-14 04:09:44,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 814 states. [2024-11-14 04:09:44,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 814 to 810. [2024-11-14 04:09:44,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 810 states, 770 states have (on average 1.174025974025974) internal successors, (904), 782 states have internal predecessors, (904), 34 states have call successors, (34), 3 states have call predecessors, (34), 4 states have return successors, (42), 25 states have call predecessors, (42), 34 states have call successors, (42) [2024-11-14 04:09:44,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 810 states to 810 states and 980 transitions. [2024-11-14 04:09:44,333 INFO L78 Accepts]: Start accepts. Automaton has 810 states and 980 transitions. Word has length 477 [2024-11-14 04:09:44,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:09:44,334 INFO L471 AbstractCegarLoop]: Abstraction has 810 states and 980 transitions. [2024-11-14 04:09:44,334 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 10.0) internal successors, (200), 20 states have internal predecessors, (200), 2 states have call successors, (9), 2 states have call predecessors, (9), 6 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-14 04:09:44,334 INFO L276 IsEmpty]: Start isEmpty. Operand 810 states and 980 transitions. [2024-11-14 04:09:44,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 502 [2024-11-14 04:09:44,348 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:09:44,348 INFO L215 NwaCegarLoop]: trace histogram [36, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:09:44,416 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4d3a75-ed70-49fb-8f40-c4c072cef2f5/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-11-14 04:09:44,585 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4d3a75-ed70-49fb-8f40-c4c072cef2f5/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-11-14 04:09:44,779 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4d3a75-ed70-49fb-8f40-c4c072cef2f5/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Ended with exit code 0 [2024-11-14 04:09:44,949 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4d3a75-ed70-49fb-8f40-c4c072cef2f5/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4d3a75-ed70-49fb-8f40-c4c072cef2f5/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt,16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4d3a75-ed70-49fb-8f40-c4c072cef2f5/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 04:09:44,949 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-14 04:09:44,950 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:09:44,950 INFO L85 PathProgramCache]: Analyzing trace with hash -1905972545, now seen corresponding path program 2 times [2024-11-14 04:09:44,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:09:44,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1502535407] [2024-11-14 04:09:44,952 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-14 04:09:44,952 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 04:09:44,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4d3a75-ed70-49fb-8f40-c4c072cef2f5/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:09:44,954 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4d3a75-ed70-49fb-8f40-c4c072cef2f5/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 04:09:44,999 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4d3a75-ed70-49fb-8f40-c4c072cef2f5/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2024-11-14 04:09:47,938 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-14 04:09:47,938 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-14 04:09:48,038 INFO L255 TraceCheckSpWp]: Trace formula consists of 2601 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-14 04:09:48,049 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:09:48,407 INFO L134 CoverageAnalysis]: Checked inductivity of 1426 backedges. 440 proven. 55 refuted. 0 times theorem prover too weak. 931 trivial. 0 not checked. [2024-11-14 04:09:48,407 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:09:49,412 INFO L134 CoverageAnalysis]: Checked inductivity of 1426 backedges. 112 proven. 380 refuted. 0 times theorem prover too weak. 934 trivial. 0 not checked. [2024-11-14 04:09:49,412 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:09:49,412 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1502535407] [2024-11-14 04:09:49,412 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1502535407] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 04:09:49,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1915646695] [2024-11-14 04:09:49,413 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-14 04:09:49,413 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-14 04:09:49,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4d3a75-ed70-49fb-8f40-c4c072cef2f5/bin/utaipan-verify-sOmjnqqW8E/cvc4 [2024-11-14 04:09:49,415 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4d3a75-ed70-49fb-8f40-c4c072cef2f5/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-14 04:09:49,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4d3a75-ed70-49fb-8f40-c4c072cef2f5/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-11-14 04:09:54,559 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-14 04:09:54,560 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-14 04:09:54,693 INFO L255 TraceCheckSpWp]: Trace formula consists of 2601 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-14 04:09:54,703 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:09:54,789 INFO L134 CoverageAnalysis]: Checked inductivity of 1426 backedges. 440 proven. 55 refuted. 0 times theorem prover too weak. 931 trivial. 0 not checked. [2024-11-14 04:09:54,789 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:09:55,072 INFO L134 CoverageAnalysis]: Checked inductivity of 1426 backedges. 112 proven. 380 refuted. 0 times theorem prover too weak. 934 trivial. 0 not checked. [2024-11-14 04:09:55,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1915646695] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 04:09:55,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [807084559] [2024-11-14 04:09:55,073 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-14 04:09:55,073 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:09:55,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4d3a75-ed70-49fb-8f40-c4c072cef2f5/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:09:55,076 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4d3a75-ed70-49fb-8f40-c4c072cef2f5/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 04:09:55,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4d3a75-ed70-49fb-8f40-c4c072cef2f5/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-14 04:09:58,036 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-14 04:09:58,036 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-14 04:09:58,124 INFO L255 TraceCheckSpWp]: Trace formula consists of 2601 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-14 04:09:58,131 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:09:59,997 INFO L134 CoverageAnalysis]: Checked inductivity of 1426 backedges. 0 proven. 628 refuted. 0 times theorem prover too weak. 798 trivial. 0 not checked. [2024-11-14 04:09:59,997 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:10:02,224 INFO L134 CoverageAnalysis]: Checked inductivity of 1426 backedges. 0 proven. 628 refuted. 0 times theorem prover too weak. 798 trivial. 0 not checked. [2024-11-14 04:10:02,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [807084559] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 04:10:02,224 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2024-11-14 04:10:02,225 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14, 14, 7, 7] total 36 [2024-11-14 04:10:02,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [471249549] [2024-11-14 04:10:02,226 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2024-11-14 04:10:02,228 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2024-11-14 04:10:02,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:10:02,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2024-11-14 04:10:02,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=238, Invalid=1022, Unknown=0, NotChecked=0, Total=1260 [2024-11-14 04:10:02,232 INFO L87 Difference]: Start difference. First operand 810 states and 980 transitions. Second operand has 36 states, 36 states have (on average 29.833333333333332) internal successors, (1074), 36 states have internal predecessors, (1074), 4 states have call successors, (16), 2 states have call predecessors, (16), 4 states have return successors, (16), 3 states have call predecessors, (16), 4 states have call successors, (16) [2024-11-14 04:10:15,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:10:15,717 INFO L93 Difference]: Finished difference Result 1875 states and 2263 transitions. [2024-11-14 04:10:15,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-11-14 04:10:15,719 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 36 states have (on average 29.833333333333332) internal successors, (1074), 36 states have internal predecessors, (1074), 4 states have call successors, (16), 2 states have call predecessors, (16), 4 states have return successors, (16), 3 states have call predecessors, (16), 4 states have call successors, (16) Word has length 501 [2024-11-14 04:10:15,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:10:15,729 INFO L225 Difference]: With dead ends: 1875 [2024-11-14 04:10:15,730 INFO L226 Difference]: Without dead ends: 1871 [2024-11-14 04:10:15,731 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3029 GetRequests, 2970 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 310 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=821, Invalid=2839, Unknown=0, NotChecked=0, Total=3660 [2024-11-14 04:10:15,733 INFO L432 NwaCegarLoop]: 1220 mSDtfsCounter, 2138 mSDsluCounter, 19092 mSDsCounter, 0 mSdLazyCounter, 1539 mSolverCounterSat, 345 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2182 SdHoareTripleChecker+Valid, 20312 SdHoareTripleChecker+Invalid, 1884 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 345 IncrementalHoareTripleChecker+Valid, 1539 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.6s IncrementalHoareTripleChecker+Time [2024-11-14 04:10:15,733 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2182 Valid, 20312 Invalid, 1884 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [345 Valid, 1539 Invalid, 0 Unknown, 0 Unchecked, 10.6s Time] [2024-11-14 04:10:15,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1871 states. [2024-11-14 04:10:15,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1871 to 1869. [2024-11-14 04:10:15,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1869 states, 1793 states have (on average 1.1533742331288344) internal successors, (2068), 1805 states have internal predecessors, (2068), 70 states have call successors, (70), 3 states have call predecessors, (70), 4 states have return successors, (90), 61 states have call predecessors, (90), 70 states have call successors, (90) [2024-11-14 04:10:15,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1869 states to 1869 states and 2228 transitions. [2024-11-14 04:10:15,800 INFO L78 Accepts]: Start accepts. Automaton has 1869 states and 2228 transitions. Word has length 501 [2024-11-14 04:10:15,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:10:15,801 INFO L471 AbstractCegarLoop]: Abstraction has 1869 states and 2228 transitions. [2024-11-14 04:10:15,802 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 29.833333333333332) internal successors, (1074), 36 states have internal predecessors, (1074), 4 states have call successors, (16), 2 states have call predecessors, (16), 4 states have return successors, (16), 3 states have call predecessors, (16), 4 states have call successors, (16) [2024-11-14 04:10:15,802 INFO L276 IsEmpty]: Start isEmpty. Operand 1869 states and 2228 transitions. [2024-11-14 04:10:15,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1168 [2024-11-14 04:10:15,821 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:10:15,823 INFO L215 NwaCegarLoop]: trace histogram [66, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:10:15,860 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4d3a75-ed70-49fb-8f40-c4c072cef2f5/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (20)] Forceful destruction successful, exit code 0 [2024-11-14 04:10:16,066 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4d3a75-ed70-49fb-8f40-c4c072cef2f5/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Ended with exit code 0 [2024-11-14 04:10:16,288 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4d3a75-ed70-49fb-8f40-c4c072cef2f5/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2024-11-14 04:10:16,424 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4d3a75-ed70-49fb-8f40-c4c072cef2f5/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt,19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4d3a75-ed70-49fb-8f40-c4c072cef2f5/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4d3a75-ed70-49fb-8f40-c4c072cef2f5/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:10:16,424 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-14 04:10:16,425 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:10:16,425 INFO L85 PathProgramCache]: Analyzing trace with hash 652119615, now seen corresponding path program 3 times [2024-11-14 04:10:16,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:10:16,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1502366975] [2024-11-14 04:10:16,429 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-14 04:10:16,430 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 04:10:16,430 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4d3a75-ed70-49fb-8f40-c4c072cef2f5/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:10:16,432 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4d3a75-ed70-49fb-8f40-c4c072cef2f5/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 04:10:16,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4d3a75-ed70-49fb-8f40-c4c072cef2f5/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (22)] Waiting until timeout for monitored process