./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test8-1.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_3510b49f-9b25-41de-9c0a-41ecd49aeca2/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3510b49f-9b25-41de-9c0a-41ecd49aeca2/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_3510b49f-9b25-41de-9c0a-41ecd49aeca2/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3510b49f-9b25-41de-9c0a-41ecd49aeca2/bin/utaipan-verify-sOmjnqqW8E/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test8-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3510b49f-9b25-41de-9c0a-41ecd49aeca2/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_3510b49f-9b25-41de-9c0a-41ecd49aeca2/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 ca0a592612bf67ed64c0cb4dbe07151d7191a8039e0f3c4eacc12cd10ecaa237 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 04:56:38,893 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 04:56:39,003 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3510b49f-9b25-41de-9c0a-41ecd49aeca2/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-MemCleanup-32bit-Taipan_Default.epf [2024-11-14 04:56:39,013 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 04:56:39,014 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 04:56:39,049 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 04:56:39,050 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 04:56:39,050 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 04:56:39,050 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 04:56:39,051 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 04:56:39,051 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 04:56:39,051 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 04:56:39,051 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 04:56:39,051 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 04:56:39,051 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 04:56:39,051 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 04:56:39,052 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 04:56:39,052 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 04:56:39,052 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 04:56:39,052 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 04:56:39,052 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 04:56:39,054 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 04:56:39,055 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-14 04:56:39,055 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-14 04:56:39,055 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 04:56:39,055 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 04:56:39,055 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 04:56:39,055 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 04:56:39,056 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 04:56:39,056 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 04:56:39,056 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 04:56:39,056 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-14 04:56:39,056 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-14 04:56:39,056 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 04:56:39,056 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 04:56:39,056 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-14 04:56:39,057 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 04:56:39,057 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-14 04:56:39,057 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 04:56:39,057 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 04:56:39,057 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 04:56:39,057 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 04:56:39,057 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 04:56:39,057 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 04:56:39,059 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:56:39,059 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 04:56:39,059 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 04:56:39,059 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 04:56:39,059 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 04:56:39,059 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 04:56:39,059 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 04:56:39,059 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 04:56:39,060 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_3510b49f-9b25-41de-9c0a-41ecd49aeca2/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 -> ca0a592612bf67ed64c0cb4dbe07151d7191a8039e0f3c4eacc12cd10ecaa237 [2024-11-14 04:56:39,452 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 04:56:39,470 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 04:56:39,478 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 04:56:39,479 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 04:56:39,480 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 04:56:39,481 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3510b49f-9b25-41de-9c0a-41ecd49aeca2/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test8-1.i Unable to find full path for "g++" [2024-11-14 04:56:41,857 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 04:56:42,299 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 04:56:42,300 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3510b49f-9b25-41de-9c0a-41ecd49aeca2/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test8-1.i [2024-11-14 04:56:42,328 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3510b49f-9b25-41de-9c0a-41ecd49aeca2/bin/utaipan-verify-sOmjnqqW8E/data/28b22fb4a/ce2b549bbbbc42aa8f0dc1cd4a864faf/FLAG31aec66b6 [2024-11-14 04:56:42,427 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3510b49f-9b25-41de-9c0a-41ecd49aeca2/bin/utaipan-verify-sOmjnqqW8E/data/28b22fb4a/ce2b549bbbbc42aa8f0dc1cd4a864faf [2024-11-14 04:56:42,430 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 04:56:42,432 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 04:56:42,434 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 04:56:42,434 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 04:56:42,439 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 04:56:42,441 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:56:42" (1/1) ... [2024-11-14 04:56:42,442 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3978e517 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:56:42, skipping insertion in model container [2024-11-14 04:56:42,442 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:56:42" (1/1) ... [2024-11-14 04:56:42,499 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 04:56:43,031 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 04:56:43,074 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 04:56:43,079 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 04:56:43,084 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 04:56:43,094 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 04:56:43,168 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 04:56:43,169 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 04:56:43,172 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 04:56:43,172 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 04:56:43,180 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 04:56:43,184 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 04:56:43,185 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 04:56:43,186 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 04:56:43,202 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:56:43,227 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 04:56:43,229 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3aacdd9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:56:43, skipping insertion in model container [2024-11-14 04:56:43,230 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 04:56:43,231 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-11-14 04:56:43,234 INFO L158 Benchmark]: Toolchain (without parser) took 800.72ms. Allocated memory is still 117.4MB. Free memory was 89.8MB in the beginning and 70.5MB in the end (delta: 19.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-14 04:56:43,238 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 83.9MB. Free memory is still 39.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:56:43,239 INFO L158 Benchmark]: CACSL2BoogieTranslator took 797.56ms. Allocated memory is still 117.4MB. Free memory was 89.8MB in the beginning and 70.5MB in the end (delta: 19.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-14 04:56:43,242 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42ms. Allocated memory is still 83.9MB. Free memory is still 39.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 797.56ms. Allocated memory is still 117.4MB. Free memory was 89.8MB in the beginning and 70.5MB in the end (delta: 19.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 778]: 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_3510b49f-9b25-41de-9c0a-41ecd49aeca2/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3510b49f-9b25-41de-9c0a-41ecd49aeca2/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_3510b49f-9b25-41de-9c0a-41ecd49aeca2/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3510b49f-9b25-41de-9c0a-41ecd49aeca2/bin/utaipan-verify-sOmjnqqW8E/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test8-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3510b49f-9b25-41de-9c0a-41ecd49aeca2/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_3510b49f-9b25-41de-9c0a-41ecd49aeca2/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 ca0a592612bf67ed64c0cb4dbe07151d7191a8039e0f3c4eacc12cd10ecaa237 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 04:56:46,410 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 04:56:46,558 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3510b49f-9b25-41de-9c0a-41ecd49aeca2/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-MemCleanup-32bit-Taipan_Bitvector.epf [2024-11-14 04:56:46,572 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 04:56:46,575 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 04:56:46,648 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 04:56:46,649 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 04:56:46,649 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 04:56:46,649 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 04:56:46,649 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 04:56:46,650 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 04:56:46,650 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 04:56:46,650 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 04:56:46,650 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 04:56:46,650 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 04:56:46,650 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 04:56:46,652 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-14 04:56:46,652 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-14 04:56:46,653 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 04:56:46,653 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 04:56:46,653 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 04:56:46,653 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 04:56:46,653 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 04:56:46,653 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 04:56:46,653 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 04:56:46,653 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-14 04:56:46,653 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-14 04:56:46,653 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 04:56:46,654 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 04:56:46,654 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-14 04:56:46,654 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-14 04:56:46,654 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 04:56:46,654 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-14 04:56:46,654 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-14 04:56:46,654 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 04:56:46,654 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 04:56:46,654 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 04:56:46,654 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 04:56:46,655 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-14 04:56:46,655 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 04:56:46,655 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 04:56:46,655 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:56:46,655 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 04:56:46,655 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 04:56:46,655 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-14 04:56:46,655 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-14 04:56:46,656 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 04:56:46,657 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 04:56:46,657 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_3510b49f-9b25-41de-9c0a-41ecd49aeca2/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 -> ca0a592612bf67ed64c0cb4dbe07151d7191a8039e0f3c4eacc12cd10ecaa237 [2024-11-14 04:56:47,033 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 04:56:47,043 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 04:56:47,046 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 04:56:47,048 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 04:56:47,048 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 04:56:47,049 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3510b49f-9b25-41de-9c0a-41ecd49aeca2/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test8-1.i Unable to find full path for "g++" [2024-11-14 04:56:49,364 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 04:56:49,843 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 04:56:49,844 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3510b49f-9b25-41de-9c0a-41ecd49aeca2/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test8-1.i [2024-11-14 04:56:49,881 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3510b49f-9b25-41de-9c0a-41ecd49aeca2/bin/utaipan-verify-sOmjnqqW8E/data/a67f35a6e/52fc4013db3242578d2d1a470881a3c6/FLAGa68e6ec97 [2024-11-14 04:56:49,898 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3510b49f-9b25-41de-9c0a-41ecd49aeca2/bin/utaipan-verify-sOmjnqqW8E/data/a67f35a6e/52fc4013db3242578d2d1a470881a3c6 [2024-11-14 04:56:49,900 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 04:56:49,901 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 04:56:49,903 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 04:56:49,903 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 04:56:49,908 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 04:56:49,909 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:56:49" (1/1) ... [2024-11-14 04:56:49,910 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bb367c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:56:49, skipping insertion in model container [2024-11-14 04:56:49,911 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:56:49" (1/1) ... [2024-11-14 04:56:49,968 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 04:56:50,669 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 04:56:50,742 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 04:56:50,748 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 04:56:50,754 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 04:56:50,766 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 04:56:50,821 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 04:56:50,821 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 04:56:50,825 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 04:56:50,825 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 04:56:50,828 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 04:56:50,830 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 04:56:50,832 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 04:56:50,833 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 04:56:50,847 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:56:50,871 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-14 04:56:50,883 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 04:56:50,939 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 04:56:50,963 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 04:56:50,968 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 04:56:50,976 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 04:56:50,988 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 04:56:51,041 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 04:56:51,044 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 04:56:51,048 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 04:56:51,048 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 04:56:51,051 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 04:56:51,052 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 04:56:51,053 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 04:56:51,054 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 04:56:51,061 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:56:51,065 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 04:56:51,205 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:56:51,260 INFO L204 MainTranslator]: Completed translation [2024-11-14 04:56:51,261 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:56:51 WrapperNode [2024-11-14 04:56:51,261 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 04:56:51,262 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 04:56:51,262 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 04:56:51,262 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 04:56:51,275 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:56:51" (1/1) ... [2024-11-14 04:56:51,331 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:56:51" (1/1) ... [2024-11-14 04:56:51,416 INFO L138 Inliner]: procedures = 180, calls = 291, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 984 [2024-11-14 04:56:51,416 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 04:56:51,417 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 04:56:51,417 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 04:56:51,417 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 04:56:51,425 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:56:51" (1/1) ... [2024-11-14 04:56:51,426 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:56:51" (1/1) ... [2024-11-14 04:56:51,434 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:56:51" (1/1) ... [2024-11-14 04:56:51,434 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:56:51" (1/1) ... [2024-11-14 04:56:51,475 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:56:51" (1/1) ... [2024-11-14 04:56:51,485 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:56:51" (1/1) ... [2024-11-14 04:56:51,489 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:56:51" (1/1) ... [2024-11-14 04:56:51,493 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:56:51" (1/1) ... [2024-11-14 04:56:51,500 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 04:56:51,501 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 04:56:51,501 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 04:56:51,502 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 04:56:51,503 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:56:51" (1/1) ... [2024-11-14 04:56:51,509 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:56:51,533 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3510b49f-9b25-41de-9c0a-41ecd49aeca2/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:56:51,554 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3510b49f-9b25-41de-9c0a-41ecd49aeca2/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 04:56:51,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3510b49f-9b25-41de-9c0a-41ecd49aeca2/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 04:56:51,594 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-11-14 04:56:51,595 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-11-14 04:56:51,595 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-11-14 04:56:51,595 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-14 04:56:51,595 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-14 04:56:51,595 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-14 04:56:51,595 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2024-11-14 04:56:51,597 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2024-11-14 04:56:51,598 INFO L130 BoogieDeclarations]: Found specification of procedure test_int [2024-11-14 04:56:51,598 INFO L138 BoogieDeclarations]: Found implementation of procedure test_int [2024-11-14 04:56:51,598 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-14 04:56:51,598 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 04:56:51,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-14 04:56:51,598 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-14 04:56:51,598 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-14 04:56:51,598 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-14 04:56:51,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-14 04:56:51,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-14 04:56:51,598 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 04:56:51,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 04:56:51,914 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 04:56:51,918 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 04:56:58,797 INFO L? ?]: Removed 136 outVars from TransFormulas that were not future-live. [2024-11-14 04:56:58,798 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 04:56:58,827 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 04:56:58,827 INFO L316 CfgBuilder]: Removed 62 assume(true) statements. [2024-11-14 04:56:58,828 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:56:58 BoogieIcfgContainer [2024-11-14 04:56:58,828 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 04:56:58,836 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 04:56:58,836 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 04:56:58,843 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 04:56:58,843 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 04:56:49" (1/3) ... [2024-11-14 04:56:58,844 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7db6bace and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:56:58, skipping insertion in model container [2024-11-14 04:56:58,844 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:56:51" (2/3) ... [2024-11-14 04:56:58,845 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7db6bace and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:56:58, skipping insertion in model container [2024-11-14 04:56:58,845 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:56:58" (3/3) ... [2024-11-14 04:56:58,847 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_SAX_test8-1.i [2024-11-14 04:56:58,867 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 04:56:58,870 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG uthash_SAX_test8-1.i that has 5 procedures, 236 locations, 1 initial locations, 35 loop locations, and 2 error locations. [2024-11-14 04:56:58,934 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 04:56:58,951 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;@51ecc094, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 04:56:58,951 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-14 04:56:58,957 INFO L276 IsEmpty]: Start isEmpty. Operand has 236 states, 207 states have (on average 1.671497584541063) internal successors, (346), 226 states have internal predecessors, (346), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 8 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-14 04:56:58,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-14 04:56:58,965 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:56:58,966 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:56:58,966 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-14 04:56:58,972 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:56:58,973 INFO L85 PathProgramCache]: Analyzing trace with hash 864367499, now seen corresponding path program 1 times [2024-11-14 04:56:58,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:56:58,989 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2140845906] [2024-11-14 04:56:58,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:56:58,992 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 04:56:58,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3510b49f-9b25-41de-9c0a-41ecd49aeca2/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:56:58,999 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3510b49f-9b25-41de-9c0a-41ecd49aeca2/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 04:56:59,002 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3510b49f-9b25-41de-9c0a-41ecd49aeca2/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 04:56:59,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:56:59,307 INFO L255 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-14 04:56:59,312 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:56:59,325 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 04:56:59,325 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:56:59,326 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:56:59,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2140845906] [2024-11-14 04:56:59,327 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2140845906] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:56:59,327 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:56:59,328 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 04:56:59,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2018359093] [2024-11-14 04:56:59,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:56:59,335 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-14 04:56:59,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:56:59,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-14 04:56:59,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 04:56:59,371 INFO L87 Difference]: Start difference. First operand has 236 states, 207 states have (on average 1.671497584541063) internal successors, (346), 226 states have internal predecessors, (346), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 8 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:56:59,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:56:59,416 INFO L93 Difference]: Finished difference Result 234 states and 319 transitions. [2024-11-14 04:56:59,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 04:56:59,421 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-11-14 04:56:59,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:56:59,436 INFO L225 Difference]: With dead ends: 234 [2024-11-14 04:56:59,437 INFO L226 Difference]: Without dead ends: 232 [2024-11-14 04:56:59,440 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 04:56:59,444 INFO L432 NwaCegarLoop]: 319 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 319 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-14 04:56:59,447 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 319 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 04:56:59,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2024-11-14 04:56:59,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 232. [2024-11-14 04:56:59,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 232 states, 205 states have (on average 1.3414634146341464) internal successors, (275), 222 states have internal predecessors, (275), 22 states have call successors, (22), 4 states have call predecessors, (22), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-14 04:56:59,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 317 transitions. [2024-11-14 04:56:59,552 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 317 transitions. Word has length 7 [2024-11-14 04:56:59,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:56:59,553 INFO L471 AbstractCegarLoop]: Abstraction has 232 states and 317 transitions. [2024-11-14 04:56:59,553 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:56:59,554 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 317 transitions. [2024-11-14 04:56:59,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-14 04:56:59,555 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:56:59,555 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:56:59,561 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3510b49f-9b25-41de-9c0a-41ecd49aeca2/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)] Forceful destruction successful, exit code 0 [2024-11-14 04:56:59,759 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3510b49f-9b25-41de-9c0a-41ecd49aeca2/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 04:56:59,759 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-14 04:56:59,760 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:56:59,761 INFO L85 PathProgramCache]: Analyzing trace with hash 762209627, now seen corresponding path program 1 times [2024-11-14 04:56:59,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:56:59,762 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1265648374] [2024-11-14 04:56:59,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:56:59,763 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 04:56:59,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3510b49f-9b25-41de-9c0a-41ecd49aeca2/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:56:59,769 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3510b49f-9b25-41de-9c0a-41ecd49aeca2/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 04:56:59,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3510b49f-9b25-41de-9c0a-41ecd49aeca2/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 04:57:00,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:57:00,121 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-14 04:57:00,124 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:57:00,166 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-14 04:57:00,168 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-14 04:57:00,169 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-14 04:57:00,186 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 39 [2024-11-14 04:57:00,375 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 04:57:00,375 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 70 treesize of output 26 [2024-11-14 04:57:00,411 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 04:57:00,412 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:57:00,413 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:57:00,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1265648374] [2024-11-14 04:57:00,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1265648374] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:57:00,413 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:57:00,414 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 04:57:00,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642734172] [2024-11-14 04:57:00,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:57:00,417 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 04:57:00,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:57:00,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 04:57:00,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 04:57:00,418 INFO L87 Difference]: Start difference. First operand 232 states and 317 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:57:05,906 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:57:09,297 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:57:09,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:57:09,735 INFO L93 Difference]: Finished difference Result 353 states and 477 transitions. [2024-11-14 04:57:09,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 04:57:09,736 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2024-11-14 04:57:09,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:57:09,739 INFO L225 Difference]: With dead ends: 353 [2024-11-14 04:57:09,740 INFO L226 Difference]: Without dead ends: 353 [2024-11-14 04:57:09,740 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-14 04:57:09,741 INFO L432 NwaCegarLoop]: 288 mSDtfsCounter, 149 mSDsluCounter, 523 mSDsCounter, 0 mSdLazyCounter, 169 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 811 SdHoareTripleChecker+Invalid, 172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 169 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.2s IncrementalHoareTripleChecker+Time [2024-11-14 04:57:09,741 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [150 Valid, 811 Invalid, 172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 169 Invalid, 1 Unknown, 0 Unchecked, 9.2s Time] [2024-11-14 04:57:09,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 353 states. [2024-11-14 04:57:09,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 353 to 234. [2024-11-14 04:57:09,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 234 states, 207 states have (on average 1.3381642512077294) internal successors, (277), 224 states have internal predecessors, (277), 22 states have call successors, (22), 4 states have call predecessors, (22), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-14 04:57:09,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 319 transitions. [2024-11-14 04:57:09,773 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 319 transitions. Word has length 9 [2024-11-14 04:57:09,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:57:09,773 INFO L471 AbstractCegarLoop]: Abstraction has 234 states and 319 transitions. [2024-11-14 04:57:09,774 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:57:09,774 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 319 transitions. [2024-11-14 04:57:09,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-14 04:57:09,776 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:57:09,777 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] [2024-11-14 04:57:09,780 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3510b49f-9b25-41de-9c0a-41ecd49aeca2/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)] Ended with exit code 0 [2024-11-14 04:57:09,977 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3510b49f-9b25-41de-9c0a-41ecd49aeca2/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 04:57:09,978 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-14 04:57:09,978 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:57:09,978 INFO L85 PathProgramCache]: Analyzing trace with hash -174015391, now seen corresponding path program 1 times [2024-11-14 04:57:09,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:57:09,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1445571299] [2024-11-14 04:57:09,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:57:09,980 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 04:57:09,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3510b49f-9b25-41de-9c0a-41ecd49aeca2/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:57:09,984 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3510b49f-9b25-41de-9c0a-41ecd49aeca2/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 04:57:09,986 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3510b49f-9b25-41de-9c0a-41ecd49aeca2/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 04:57:10,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:57:10,487 INFO L255 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-14 04:57:10,491 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:57:10,565 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 04:57:10,565 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:57:10,565 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:57:10,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1445571299] [2024-11-14 04:57:10,565 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1445571299] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:57:10,565 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:57:10,565 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 04:57:10,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2117159509] [2024-11-14 04:57:10,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:57:10,566 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 04:57:10,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:57:10,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 04:57:10,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 04:57:10,567 INFO L87 Difference]: Start difference. First operand 234 states and 319 transitions. Second operand has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:57:10,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:57:10,774 INFO L93 Difference]: Finished difference Result 237 states and 314 transitions. [2024-11-14 04:57:10,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 04:57:10,775 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2024-11-14 04:57:10,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:57:10,777 INFO L225 Difference]: With dead ends: 237 [2024-11-14 04:57:10,778 INFO L226 Difference]: Without dead ends: 237 [2024-11-14 04:57:10,778 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-14 04:57:10,779 INFO L432 NwaCegarLoop]: 285 mSDtfsCounter, 33 mSDsluCounter, 554 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 839 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-14 04:57:10,779 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 839 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-14 04:57:10,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2024-11-14 04:57:10,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 237. [2024-11-14 04:57:10,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 237 states, 210 states have (on average 1.2952380952380953) internal successors, (272), 227 states have internal predecessors, (272), 22 states have call successors, (22), 4 states have call predecessors, (22), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-14 04:57:10,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 314 transitions. [2024-11-14 04:57:10,796 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 314 transitions. Word has length 67 [2024-11-14 04:57:10,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:57:10,797 INFO L471 AbstractCegarLoop]: Abstraction has 237 states and 314 transitions. [2024-11-14 04:57:10,797 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:57:10,797 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 314 transitions. [2024-11-14 04:57:10,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-14 04:57:10,800 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:57:10,800 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] [2024-11-14 04:57:10,812 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3510b49f-9b25-41de-9c0a-41ecd49aeca2/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)] Forceful destruction successful, exit code 0 [2024-11-14 04:57:11,000 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3510b49f-9b25-41de-9c0a-41ecd49aeca2/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 04:57:11,001 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-14 04:57:11,001 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:57:11,001 INFO L85 PathProgramCache]: Analyzing trace with hash 1318239953, now seen corresponding path program 1 times [2024-11-14 04:57:11,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:57:11,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1372074768] [2024-11-14 04:57:11,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:57:11,003 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 04:57:11,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3510b49f-9b25-41de-9c0a-41ecd49aeca2/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:57:11,008 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3510b49f-9b25-41de-9c0a-41ecd49aeca2/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 04:57:11,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3510b49f-9b25-41de-9c0a-41ecd49aeca2/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 04:57:11,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:57:11,566 INFO L255 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-14 04:57:11,571 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:57:11,811 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 04:57:11,811 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:57:11,811 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:57:11,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1372074768] [2024-11-14 04:57:11,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1372074768] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:57:11,812 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:57:11,812 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 04:57:11,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478773291] [2024-11-14 04:57:11,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:57:11,813 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-14 04:57:11,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:57:11,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-14 04:57:11,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-14 04:57:11,814 INFO L87 Difference]: Start difference. First operand 237 states and 314 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:57:12,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:57:12,030 INFO L93 Difference]: Finished difference Result 231 states and 304 transitions. [2024-11-14 04:57:12,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 04:57:12,030 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2024-11-14 04:57:12,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:57:12,032 INFO L225 Difference]: With dead ends: 231 [2024-11-14 04:57:12,032 INFO L226 Difference]: Without dead ends: 231 [2024-11-14 04:57:12,033 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 63 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 04:57:12,034 INFO L432 NwaCegarLoop]: 286 mSDtfsCounter, 2 mSDsluCounter, 828 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 1114 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-14 04:57:12,034 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 1114 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-14 04:57:12,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2024-11-14 04:57:12,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 231. [2024-11-14 04:57:12,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 231 states, 204 states have (on average 1.2843137254901962) internal successors, (262), 221 states have internal predecessors, (262), 22 states have call successors, (22), 4 states have call predecessors, (22), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-14 04:57:12,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 304 transitions. [2024-11-14 04:57:12,050 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 304 transitions. Word has length 67 [2024-11-14 04:57:12,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:57:12,051 INFO L471 AbstractCegarLoop]: Abstraction has 231 states and 304 transitions. [2024-11-14 04:57:12,051 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:57:12,051 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 304 transitions. [2024-11-14 04:57:12,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-14 04:57:12,053 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:57:12,053 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] [2024-11-14 04:57:12,062 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3510b49f-9b25-41de-9c0a-41ecd49aeca2/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)] Ended with exit code 0 [2024-11-14 04:57:12,258 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3510b49f-9b25-41de-9c0a-41ecd49aeca2/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 04:57:12,258 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-14 04:57:12,259 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:57:12,259 INFO L85 PathProgramCache]: Analyzing trace with hash -181193961, now seen corresponding path program 1 times [2024-11-14 04:57:12,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:57:12,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1831175057] [2024-11-14 04:57:12,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:57:12,260 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 04:57:12,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3510b49f-9b25-41de-9c0a-41ecd49aeca2/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:57:12,265 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3510b49f-9b25-41de-9c0a-41ecd49aeca2/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 04:57:12,268 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3510b49f-9b25-41de-9c0a-41ecd49aeca2/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 04:57:12,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:57:12,798 INFO L255 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-14 04:57:12,802 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:57:13,397 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 04:57:13,397 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:57:13,397 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:57:13,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1831175057] [2024-11-14 04:57:13,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1831175057] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:57:13,398 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:57:13,398 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 04:57:13,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1227851188] [2024-11-14 04:57:13,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:57:13,398 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 04:57:13,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:57:13,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 04:57:13,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 04:57:13,401 INFO L87 Difference]: Start difference. First operand 231 states and 304 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:57:14,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:57:14,134 INFO L93 Difference]: Finished difference Result 340 states and 435 transitions. [2024-11-14 04:57:14,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 04:57:14,134 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2024-11-14 04:57:14,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:57:14,137 INFO L225 Difference]: With dead ends: 340 [2024-11-14 04:57:14,137 INFO L226 Difference]: Without dead ends: 340 [2024-11-14 04:57:14,138 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 65 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 04:57:14,138 INFO L432 NwaCegarLoop]: 349 mSDtfsCounter, 89 mSDsluCounter, 279 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 628 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-14 04:57:14,139 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 628 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-14 04:57:14,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2024-11-14 04:57:14,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 335. [2024-11-14 04:57:14,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 335 states, 307 states have (on average 1.260586319218241) internal successors, (387), 324 states have internal predecessors, (387), 23 states have call successors, (23), 4 states have call predecessors, (23), 3 states have return successors, (21), 7 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-14 04:57:14,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 431 transitions. [2024-11-14 04:57:14,165 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 431 transitions. Word has length 67 [2024-11-14 04:57:14,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:57:14,165 INFO L471 AbstractCegarLoop]: Abstraction has 335 states and 431 transitions. [2024-11-14 04:57:14,165 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:57:14,166 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 431 transitions. [2024-11-14 04:57:14,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-14 04:57:14,168 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:57:14,169 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] [2024-11-14 04:57:14,177 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3510b49f-9b25-41de-9c0a-41ecd49aeca2/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 04:57:14,369 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3510b49f-9b25-41de-9c0a-41ecd49aeca2/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 04:57:14,369 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-14 04:57:14,370 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:57:14,370 INFO L85 PathProgramCache]: Analyzing trace with hash 1998559167, now seen corresponding path program 1 times [2024-11-14 04:57:14,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:57:14,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [694049034] [2024-11-14 04:57:14,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:57:14,371 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 04:57:14,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3510b49f-9b25-41de-9c0a-41ecd49aeca2/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:57:14,373 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3510b49f-9b25-41de-9c0a-41ecd49aeca2/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 04:57:14,376 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3510b49f-9b25-41de-9c0a-41ecd49aeca2/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 04:57:14,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:57:15,017 INFO L255 TraceCheckSpWp]: Trace formula consists of 455 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-14 04:57:15,022 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:57:15,072 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:57:15,073 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:57:15,073 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:57:15,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [694049034] [2024-11-14 04:57:15,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [694049034] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:57:15,073 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:57:15,073 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 04:57:15,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1999444828] [2024-11-14 04:57:15,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:57:15,074 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 04:57:15,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:57:15,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 04:57:15,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 04:57:15,075 INFO L87 Difference]: Start difference. First operand 335 states and 431 transitions. Second operand has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-14 04:57:15,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:57:15,146 INFO L93 Difference]: Finished difference Result 338 states and 435 transitions. [2024-11-14 04:57:15,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 04:57:15,147 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 82 [2024-11-14 04:57:15,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:57:15,150 INFO L225 Difference]: With dead ends: 338 [2024-11-14 04:57:15,150 INFO L226 Difference]: Without dead ends: 338 [2024-11-14 04:57:15,150 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 79 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 04:57:15,151 INFO L432 NwaCegarLoop]: 299 mSDtfsCounter, 0 mSDsluCounter, 594 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 893 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 04:57:15,155 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 893 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 04:57:15,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2024-11-14 04:57:15,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 338. [2024-11-14 04:57:15,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 338 states, 309 states have (on average 1.2621359223300972) internal successors, (390), 327 states have internal predecessors, (390), 23 states have call successors, (23), 4 states have call predecessors, (23), 4 states have return successors, (22), 7 states have call predecessors, (22), 21 states have call successors, (22) [2024-11-14 04:57:15,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 435 transitions. [2024-11-14 04:57:15,184 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 435 transitions. Word has length 82 [2024-11-14 04:57:15,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:57:15,187 INFO L471 AbstractCegarLoop]: Abstraction has 338 states and 435 transitions. [2024-11-14 04:57:15,187 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-14 04:57:15,187 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 435 transitions. [2024-11-14 04:57:15,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-14 04:57:15,190 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:57:15,190 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] [2024-11-14 04:57:15,204 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3510b49f-9b25-41de-9c0a-41ecd49aeca2/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 04:57:15,390 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3510b49f-9b25-41de-9c0a-41ecd49aeca2/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 04:57:15,391 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-14 04:57:15,391 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:57:15,391 INFO L85 PathProgramCache]: Analyzing trace with hash -927015555, now seen corresponding path program 1 times [2024-11-14 04:57:15,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:57:15,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2141848017] [2024-11-14 04:57:15,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:57:15,392 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 04:57:15,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3510b49f-9b25-41de-9c0a-41ecd49aeca2/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:57:15,394 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3510b49f-9b25-41de-9c0a-41ecd49aeca2/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 04:57:15,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3510b49f-9b25-41de-9c0a-41ecd49aeca2/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)] Waiting until timeout for monitored process [2024-11-14 04:57:16,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:57:16,031 INFO L255 TraceCheckSpWp]: Trace formula consists of 477 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-14 04:57:16,036 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:57:16,100 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-14 04:57:16,100 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:57:16,274 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-14 04:57:16,275 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:57:16,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2141848017] [2024-11-14 04:57:16,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2141848017] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 04:57:16,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1634121146] [2024-11-14 04:57:16,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:57:16,276 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-14 04:57:16,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3510b49f-9b25-41de-9c0a-41ecd49aeca2/bin/utaipan-verify-sOmjnqqW8E/cvc4 [2024-11-14 04:57:16,288 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3510b49f-9b25-41de-9c0a-41ecd49aeca2/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-14 04:57:16,292 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3510b49f-9b25-41de-9c0a-41ecd49aeca2/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-14 04:57:17,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:57:17,369 INFO L255 TraceCheckSpWp]: Trace formula consists of 477 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-14 04:57:17,373 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:57:17,423 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-14 04:57:17,424 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:57:17,518 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-14 04:57:17,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1634121146] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 04:57:17,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1887425574] [2024-11-14 04:57:17,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:57:17,519 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:57:17,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3510b49f-9b25-41de-9c0a-41ecd49aeca2/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:57:17,521 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3510b49f-9b25-41de-9c0a-41ecd49aeca2/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 04:57:17,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3510b49f-9b25-41de-9c0a-41ecd49aeca2/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-14 04:57:18,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:57:18,137 INFO L255 TraceCheckSpWp]: Trace formula consists of 477 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-14 04:57:18,141 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:57:18,173 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-14 04:57:18,173 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:57:18,394 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-14 04:57:18,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1887425574] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 04:57:18,395 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2024-11-14 04:57:18,395 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 11 [2024-11-14 04:57:18,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375641619] [2024-11-14 04:57:18,395 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2024-11-14 04:57:18,396 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-14 04:57:18,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:57:18,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-14 04:57:18,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2024-11-14 04:57:18,398 INFO L87 Difference]: Start difference. First operand 338 states and 435 transitions. Second operand has 11 states, 11 states have (on average 8.272727272727273) internal successors, (91), 11 states have internal predecessors, (91), 2 states have call successors, (7), 2 states have call predecessors, (7), 5 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-14 04:57:18,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:57:18,968 INFO L93 Difference]: Finished difference Result 353 states and 457 transitions. [2024-11-14 04:57:18,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-14 04:57:18,971 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.272727272727273) internal successors, (91), 11 states have internal predecessors, (91), 2 states have call successors, (7), 2 states have call predecessors, (7), 5 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 84 [2024-11-14 04:57:18,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:57:18,975 INFO L225 Difference]: With dead ends: 353 [2024-11-14 04:57:18,976 INFO L226 Difference]: Without dead ends: 353 [2024-11-14 04:57:18,976 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 507 GetRequests, 489 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=122, Invalid=258, Unknown=0, NotChecked=0, Total=380 [2024-11-14 04:57:18,977 INFO L432 NwaCegarLoop]: 298 mSDtfsCounter, 13 mSDsluCounter, 1473 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 1771 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-14 04:57:18,978 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 1771 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-14 04:57:18,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 353 states. [2024-11-14 04:57:18,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 353 to 349. [2024-11-14 04:57:18,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 349 states, 319 states have (on average 1.2789968652037618) internal successors, (408), 337 states have internal predecessors, (408), 23 states have call successors, (23), 5 states have call predecessors, (23), 5 states have return successors, (22), 7 states have call predecessors, (22), 21 states have call successors, (22) [2024-11-14 04:57:18,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 349 states and 453 transitions. [2024-11-14 04:57:18,996 INFO L78 Accepts]: Start accepts. Automaton has 349 states and 453 transitions. Word has length 84 [2024-11-14 04:57:18,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:57:18,997 INFO L471 AbstractCegarLoop]: Abstraction has 349 states and 453 transitions. [2024-11-14 04:57:18,997 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.272727272727273) internal successors, (91), 11 states have internal predecessors, (91), 2 states have call successors, (7), 2 states have call predecessors, (7), 5 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-14 04:57:18,998 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 453 transitions. [2024-11-14 04:57:18,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-14 04:57:18,999 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:57:19,000 INFO L215 NwaCegarLoop]: trace histogram [8, 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] [2024-11-14 04:57:19,012 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3510b49f-9b25-41de-9c0a-41ecd49aeca2/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)] Ended with exit code 0 [2024-11-14 04:57:19,207 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3510b49f-9b25-41de-9c0a-41ecd49aeca2/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-14 04:57:19,429 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3510b49f-9b25-41de-9c0a-41ecd49aeca2/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-14 04:57:19,601 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3510b49f-9b25-41de-9c0a-41ecd49aeca2/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3510b49f-9b25-41de-9c0a-41ecd49aeca2/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3510b49f-9b25-41de-9c0a-41ecd49aeca2/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:57:19,602 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-14 04:57:19,603 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:57:19,603 INFO L85 PathProgramCache]: Analyzing trace with hash 179609023, now seen corresponding path program 2 times [2024-11-14 04:57:19,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:57:19,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [954749152] [2024-11-14 04:57:19,604 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-14 04:57:19,604 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 04:57:19,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3510b49f-9b25-41de-9c0a-41ecd49aeca2/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:57:19,607 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3510b49f-9b25-41de-9c0a-41ecd49aeca2/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 04:57:19,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3510b49f-9b25-41de-9c0a-41ecd49aeca2/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 04:57:21,343 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-14 04:57:21,343 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-14 04:57:21,372 INFO L255 TraceCheckSpWp]: Trace formula consists of 543 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-14 04:57:21,375 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:57:21,496 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 28 proven. 10 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-14 04:57:21,497 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:57:21,793 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-14 04:57:21,793 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:57:21,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [954749152] [2024-11-14 04:57:21,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [954749152] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 04:57:21,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [711892034] [2024-11-14 04:57:21,794 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-14 04:57:21,794 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-14 04:57:21,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3510b49f-9b25-41de-9c0a-41ecd49aeca2/bin/utaipan-verify-sOmjnqqW8E/cvc4 [2024-11-14 04:57:21,798 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3510b49f-9b25-41de-9c0a-41ecd49aeca2/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-14 04:57:21,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3510b49f-9b25-41de-9c0a-41ecd49aeca2/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-14 04:57:26,137 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-14 04:57:26,137 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-14 04:57:26,161 INFO L255 TraceCheckSpWp]: Trace formula consists of 543 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-14 04:57:26,164 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:57:26,212 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 28 proven. 10 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-14 04:57:26,213 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:57:26,343 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-14 04:57:26,343 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [711892034] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 04:57:26,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1458877822] [2024-11-14 04:57:26,343 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-14 04:57:26,343 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:57:26,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3510b49f-9b25-41de-9c0a-41ecd49aeca2/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:57:26,346 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3510b49f-9b25-41de-9c0a-41ecd49aeca2/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 04:57:26,348 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3510b49f-9b25-41de-9c0a-41ecd49aeca2/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process