./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test8-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f578484c-5a45-40f4-b4c6-6afd0e430ae8/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f578484c-5a45-40f4-b4c6-6afd0e430ae8/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f578484c-5a45-40f4-b4c6-6afd0e430ae8/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f578484c-5a45-40f4-b4c6-6afd0e430ae8/bin/utaipan-verify-YMUCfTKeje/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test8-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f578484c-5a45-40f4-b4c6-6afd0e430ae8/bin/utaipan-verify-YMUCfTKeje/config/svcomp-MemCleanup-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f578484c-5a45-40f4-b4c6-6afd0e430ae8/bin/utaipan-verify-YMUCfTKeje --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 3b6a7e09bdf002daf4e1e371c35be311dd644a61b41d9b32022b9ee835751b90 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 05:42:50,204 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 05:42:50,342 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f578484c-5a45-40f4-b4c6-6afd0e430ae8/bin/utaipan-verify-YMUCfTKeje/config/svcomp-MemCleanup-32bit-Taipan_Default.epf [2024-11-09 05:42:50,350 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 05:42:50,352 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 05:42:50,405 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 05:42:50,408 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 05:42:50,409 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 05:42:50,410 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 05:42:50,411 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 05:42:50,413 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 05:42:50,414 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 05:42:50,415 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 05:42:50,415 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 05:42:50,415 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 05:42:50,416 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 05:42:50,416 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 05:42:50,417 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 05:42:50,417 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 05:42:50,417 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 05:42:50,422 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 05:42:50,423 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 05:42:50,423 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 05:42:50,424 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 05:42:50,425 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 05:42:50,426 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 05:42:50,426 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 05:42:50,427 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 05:42:50,427 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 05:42:50,427 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 05:42:50,428 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 05:42:50,428 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-09 05:42:50,428 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-09 05:42:50,429 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 05:42:50,430 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 05:42:50,430 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 05:42:50,431 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 05:42:50,431 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 05:42:50,432 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 05:42:50,432 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 05:42:50,432 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 05:42:50,433 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 05:42:50,433 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 05:42:50,433 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 05:42:50,434 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:42:50,434 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 05:42:50,435 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 05:42:50,435 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 05:42:50,435 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 05:42:50,435 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 05:42:50,436 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 05:42:50,436 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 05:42:50,436 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f578484c-5a45-40f4-b4c6-6afd0e430ae8/bin/utaipan-verify-YMUCfTKeje/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f578484c-5a45-40f4-b4c6-6afd0e430ae8/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3b6a7e09bdf002daf4e1e371c35be311dd644a61b41d9b32022b9ee835751b90 [2024-11-09 05:42:50,793 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 05:42:50,855 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 05:42:50,860 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 05:42:50,862 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 05:42:50,863 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 05:42:50,865 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f578484c-5a45-40f4-b4c6-6afd0e430ae8/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test8-1.i Unable to find full path for "g++" [2024-11-09 05:42:53,206 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 05:42:53,663 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 05:42:53,663 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f578484c-5a45-40f4-b4c6-6afd0e430ae8/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test8-1.i [2024-11-09 05:42:53,689 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f578484c-5a45-40f4-b4c6-6afd0e430ae8/bin/utaipan-verify-YMUCfTKeje/data/bac48bc97/24617ef8c7ad4d29b3136720469d5ba5/FLAG5c947045b [2024-11-09 05:42:53,788 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f578484c-5a45-40f4-b4c6-6afd0e430ae8/bin/utaipan-verify-YMUCfTKeje/data/bac48bc97/24617ef8c7ad4d29b3136720469d5ba5 [2024-11-09 05:42:53,791 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 05:42:53,793 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 05:42:53,795 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 05:42:53,795 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 05:42:53,806 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 05:42:53,807 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:42:53" (1/1) ... [2024-11-09 05:42:53,808 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6300a986 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:42:53, skipping insertion in model container [2024-11-09 05:42:53,808 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:42:53" (1/1) ... [2024-11-09 05:42:53,875 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 05:42:54,469 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 05:42:54,509 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 05:42:54,515 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 05:42:54,519 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 05:42:54,528 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 05:42:54,569 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 05:42:54,569 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 05:42:54,573 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 05:42:54,574 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 05:42:54,580 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 05:42:54,584 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 05:42:54,586 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 05:42:54,587 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 05:42:54,600 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:42:54,613 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) [2024-11-09 05:42:54,614 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3e3ad5ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:42:54, skipping insertion in model container [2024-11-09 05:42:54,615 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 05:42:54,615 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-11-09 05:42:54,618 INFO L158 Benchmark]: Toolchain (without parser) took 823.47ms. Allocated memory is still 178.3MB. Free memory was 148.6MB in the beginning and 124.6MB in the end (delta: 24.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-09 05:42:54,618 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 117.4MB. Free memory is still 91.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 05:42:54,619 INFO L158 Benchmark]: CACSL2BoogieTranslator took 820.32ms. Allocated memory is still 178.3MB. Free memory was 148.0MB in the beginning and 124.6MB in the end (delta: 23.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-09 05:42:54,621 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 117.4MB. Free memory is still 91.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 820.32ms. Allocated memory is still 178.3MB. Free memory was 148.0MB in the beginning and 124.6MB in the end (delta: 23.5MB). Peak memory consumption was 23.1MB. 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/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f578484c-5a45-40f4-b4c6-6afd0e430ae8/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f578484c-5a45-40f4-b4c6-6afd0e430ae8/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f578484c-5a45-40f4-b4c6-6afd0e430ae8/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f578484c-5a45-40f4-b4c6-6afd0e430ae8/bin/utaipan-verify-YMUCfTKeje/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test8-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f578484c-5a45-40f4-b4c6-6afd0e430ae8/bin/utaipan-verify-YMUCfTKeje/config/svcomp-MemCleanup-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f578484c-5a45-40f4-b4c6-6afd0e430ae8/bin/utaipan-verify-YMUCfTKeje --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 3b6a7e09bdf002daf4e1e371c35be311dd644a61b41d9b32022b9ee835751b90 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 05:42:57,148 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 05:42:57,267 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f578484c-5a45-40f4-b4c6-6afd0e430ae8/bin/utaipan-verify-YMUCfTKeje/config/svcomp-MemCleanup-32bit-Taipan_Bitvector.epf [2024-11-09 05:42:57,274 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 05:42:57,275 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 05:42:57,327 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 05:42:57,329 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 05:42:57,330 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 05:42:57,331 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 05:42:57,332 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 05:42:57,332 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 05:42:57,333 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 05:42:57,333 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 05:42:57,334 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 05:42:57,337 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 05:42:57,337 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 05:42:57,338 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 05:42:57,338 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 05:42:57,339 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 05:42:57,339 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 05:42:57,339 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 05:42:57,341 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 05:42:57,342 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 05:42:57,342 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 05:42:57,346 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 05:42:57,346 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-09 05:42:57,346 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-09 05:42:57,347 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 05:42:57,347 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 05:42:57,347 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 05:42:57,348 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 05:42:57,348 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 05:42:57,348 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 05:42:57,349 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 05:42:57,349 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 05:42:57,349 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 05:42:57,349 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 05:42:57,350 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 05:42:57,350 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 05:42:57,350 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 05:42:57,350 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 05:42:57,355 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:42:57,356 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 05:42:57,356 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 05:42:57,356 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 05:42:57,357 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 05:42:57,357 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 05:42:57,357 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 05:42:57,358 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f578484c-5a45-40f4-b4c6-6afd0e430ae8/bin/utaipan-verify-YMUCfTKeje/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f578484c-5a45-40f4-b4c6-6afd0e430ae8/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3b6a7e09bdf002daf4e1e371c35be311dd644a61b41d9b32022b9ee835751b90 [2024-11-09 05:42:57,822 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 05:42:57,856 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 05:42:57,861 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 05:42:57,862 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 05:42:57,863 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 05:42:57,864 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f578484c-5a45-40f4-b4c6-6afd0e430ae8/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test8-1.i Unable to find full path for "g++" [2024-11-09 05:43:00,147 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 05:43:00,606 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 05:43:00,607 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f578484c-5a45-40f4-b4c6-6afd0e430ae8/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test8-1.i [2024-11-09 05:43:00,624 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f578484c-5a45-40f4-b4c6-6afd0e430ae8/bin/utaipan-verify-YMUCfTKeje/data/4090d04f5/222e2694ae784265967b94551bfd4f48/FLAGe80b79778 [2024-11-09 05:43:00,751 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f578484c-5a45-40f4-b4c6-6afd0e430ae8/bin/utaipan-verify-YMUCfTKeje/data/4090d04f5/222e2694ae784265967b94551bfd4f48 [2024-11-09 05:43:00,754 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 05:43:00,756 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 05:43:00,757 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 05:43:00,758 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 05:43:00,765 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 05:43:00,766 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:43:00" (1/1) ... [2024-11-09 05:43:00,767 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c189264 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:43:00, skipping insertion in model container [2024-11-09 05:43:00,767 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:43:00" (1/1) ... [2024-11-09 05:43:00,870 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 05:43:01,580 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 05:43:01,640 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 05:43:01,663 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 05:43:01,677 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 05:43:01,713 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 05:43:01,789 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 05:43:01,790 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 05:43:01,796 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 05:43:01,796 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 05:43:01,800 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 05:43:01,806 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 05:43:01,809 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 05:43:01,810 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 05:43:01,831 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:43:01,860 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-09 05:43:01,885 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 05:43:01,933 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 05:43:01,960 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 05:43:01,966 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 05:43:01,972 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 05:43:01,981 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 05:43:02,004 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 05:43:02,005 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 05:43:02,007 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 05:43:02,008 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 05:43:02,011 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 05:43:02,012 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 05:43:02,013 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 05:43:02,014 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 05:43:02,020 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:43:02,025 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 05:43:02,133 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:43:02,187 INFO L204 MainTranslator]: Completed translation [2024-11-09 05:43:02,188 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:43:02 WrapperNode [2024-11-09 05:43:02,188 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 05:43:02,189 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 05:43:02,190 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 05:43:02,190 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 05:43:02,199 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:43:02" (1/1) ... [2024-11-09 05:43:02,261 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:43:02" (1/1) ... [2024-11-09 05:43:02,354 INFO L138 Inliner]: procedures = 180, calls = 291, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 984 [2024-11-09 05:43:02,355 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 05:43:02,356 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 05:43:02,356 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 05:43:02,356 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 05:43:02,368 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:43:02" (1/1) ... [2024-11-09 05:43:02,368 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:43:02" (1/1) ... [2024-11-09 05:43:02,388 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:43:02" (1/1) ... [2024-11-09 05:43:02,388 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:43:02" (1/1) ... [2024-11-09 05:43:02,474 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:43:02" (1/1) ... [2024-11-09 05:43:02,489 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:43:02" (1/1) ... [2024-11-09 05:43:02,501 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:43:02" (1/1) ... [2024-11-09 05:43:02,507 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:43:02" (1/1) ... [2024-11-09 05:43:02,524 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 05:43:02,526 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 05:43:02,526 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 05:43:02,526 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 05:43:02,527 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:43:02" (1/1) ... [2024-11-09 05:43:02,554 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:43:02,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f578484c-5a45-40f4-b4c6-6afd0e430ae8/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:43:02,611 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f578484c-5a45-40f4-b4c6-6afd0e430ae8/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 05:43:02,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f578484c-5a45-40f4-b4c6-6afd0e430ae8/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 05:43:02,646 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-11-09 05:43:02,646 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-11-09 05:43:02,646 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-11-09 05:43:02,647 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-09 05:43:02,647 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 05:43:02,647 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 05:43:02,647 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2024-11-09 05:43:02,647 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2024-11-09 05:43:02,648 INFO L130 BoogieDeclarations]: Found specification of procedure test_int [2024-11-09 05:43:02,648 INFO L138 BoogieDeclarations]: Found implementation of procedure test_int [2024-11-09 05:43:02,648 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 05:43:02,648 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 05:43:02,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-09 05:43:02,649 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 05:43:02,649 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-09 05:43:02,649 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 05:43:02,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-09 05:43:02,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 05:43:02,650 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 05:43:02,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 05:43:02,913 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 05:43:02,915 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 05:43:09,673 INFO L? ?]: Removed 138 outVars from TransFormulas that were not future-live. [2024-11-09 05:43:09,674 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 05:43:09,706 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 05:43:09,706 INFO L316 CfgBuilder]: Removed 58 assume(true) statements. [2024-11-09 05:43:09,706 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:43:09 BoogieIcfgContainer [2024-11-09 05:43:09,707 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 05:43:09,709 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 05:43:09,709 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 05:43:09,712 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 05:43:09,713 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 05:43:00" (1/3) ... [2024-11-09 05:43:09,713 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@86f45f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:43:09, skipping insertion in model container [2024-11-09 05:43:09,714 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:43:02" (2/3) ... [2024-11-09 05:43:09,714 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@86f45f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:43:09, skipping insertion in model container [2024-11-09 05:43:09,714 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:43:09" (3/3) ... [2024-11-09 05:43:09,715 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_JEN_test8-1.i [2024-11-09 05:43:09,748 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 05:43:09,749 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-09 05:43:09,806 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 05:43:09,813 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;@3f4acdee, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 05:43:09,814 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-09 05:43:09,819 INFO L276 IsEmpty]: Start isEmpty. Operand has 240 states, 211 states have (on average 1.6587677725118484) internal successors, (350), 230 states have internal predecessors, (350), 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) [2024-11-09 05:43:09,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-09 05:43:09,832 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:43:09,833 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:43:09,833 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-09 05:43:09,839 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:43:09,839 INFO L85 PathProgramCache]: Analyzing trace with hash 866278095, now seen corresponding path program 1 times [2024-11-09 05:43:09,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:43:09,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [409150798] [2024-11-09 05:43:09,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:43:09,855 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 [2024-11-09 05:43:09,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f578484c-5a45-40f4-b4c6-6afd0e430ae8/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:43:09,857 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f578484c-5a45-40f4-b4c6-6afd0e430ae8/bin/utaipan-verify-YMUCfTKeje/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) [2024-11-09 05:43:09,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f578484c-5a45-40f4-b4c6-6afd0e430ae8/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 05:43:10,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:43:10,069 INFO L255 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-09 05:43:10,076 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:43:10,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:43:10,086 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:43:10,087 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 05:43:10,089 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [409150798] [2024-11-09 05:43:10,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [409150798] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:43:10,090 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:43:10,090 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 05:43:10,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486626627] [2024-11-09 05:43:10,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:43:10,099 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 05:43:10,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 05:43:10,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 05:43:10,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 05:43:10,152 INFO L87 Difference]: Start difference. First operand has 240 states, 211 states have (on average 1.6587677725118484) internal successors, (350), 230 states have internal predecessors, (350), 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) [2024-11-09 05:43:10,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:43:10,214 INFO L93 Difference]: Finished difference Result 238 states and 327 transitions. [2024-11-09 05:43:10,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 05:43:10,220 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 [2024-11-09 05:43:10,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:43:10,239 INFO L225 Difference]: With dead ends: 238 [2024-11-09 05:43:10,239 INFO L226 Difference]: Without dead ends: 236 [2024-11-09 05:43:10,242 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 [2024-11-09 05:43:10,248 INFO L432 NwaCegarLoop]: 327 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, 327 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 [2024-11-09 05:43:10,250 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 327 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 05:43:10,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2024-11-09 05:43:10,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 236. [2024-11-09 05:43:10,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 236 states, 209 states have (on average 1.354066985645933) internal successors, (283), 226 states have internal predecessors, (283), 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) [2024-11-09 05:43:10,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 325 transitions. [2024-11-09 05:43:10,345 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 325 transitions. Word has length 7 [2024-11-09 05:43:10,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:43:10,345 INFO L471 AbstractCegarLoop]: Abstraction has 236 states and 325 transitions. [2024-11-09 05:43:10,346 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) [2024-11-09 05:43:10,346 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 325 transitions. [2024-11-09 05:43:10,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-09 05:43:10,346 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:43:10,346 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:43:10,354 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f578484c-5a45-40f4-b4c6-6afd0e430ae8/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-09 05:43:10,547 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f578484c-5a45-40f4-b4c6-6afd0e430ae8/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 05:43:10,548 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-09 05:43:10,548 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:43:10,548 INFO L85 PathProgramCache]: Analyzing trace with hash 764118301, now seen corresponding path program 1 times [2024-11-09 05:43:10,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:43:10,549 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1807651419] [2024-11-09 05:43:10,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:43:10,550 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 [2024-11-09 05:43:10,550 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f578484c-5a45-40f4-b4c6-6afd0e430ae8/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:43:10,554 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f578484c-5a45-40f4-b4c6-6afd0e430ae8/bin/utaipan-verify-YMUCfTKeje/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) [2024-11-09 05:43:10,557 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f578484c-5a45-40f4-b4c6-6afd0e430ae8/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 05:43:10,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:43:10,818 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 05:43:10,839 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:43:10,887 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 05:43:10,888 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 05:43:10,889 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 05:43:10,908 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 [2024-11-09 05:43:11,025 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 05:43:11,026 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 [2024-11-09 05:43:11,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:43:11,055 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:43:11,056 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 05:43:11,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1807651419] [2024-11-09 05:43:11,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1807651419] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:43:11,057 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:43:11,058 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 05:43:11,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159185491] [2024-11-09 05:43:11,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:43:11,061 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 05:43:11,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 05:43:11,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 05:43:11,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 05:43:11,063 INFO L87 Difference]: Start difference. First operand 236 states and 325 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) [2024-11-09 05:43:16,801 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:43:20,097 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:43:20,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:43:20,441 INFO L93 Difference]: Finished difference Result 360 states and 491 transitions. [2024-11-09 05:43:20,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 05:43:20,443 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 [2024-11-09 05:43:20,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:43:20,446 INFO L225 Difference]: With dead ends: 360 [2024-11-09 05:43:20,446 INFO L226 Difference]: Without dead ends: 360 [2024-11-09 05:43:20,447 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 [2024-11-09 05:43:20,448 INFO L432 NwaCegarLoop]: 296 mSDtfsCounter, 155 mSDsluCounter, 539 mSDsCounter, 0 mSdLazyCounter, 169 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 835 SdHoareTripleChecker+Invalid, 172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 169 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.3s IncrementalHoareTripleChecker+Time [2024-11-09 05:43:20,449 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [156 Valid, 835 Invalid, 172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 169 Invalid, 1 Unknown, 0 Unchecked, 9.3s Time] [2024-11-09 05:43:20,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2024-11-09 05:43:20,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 238. [2024-11-09 05:43:20,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 238 states, 211 states have (on average 1.3507109004739337) internal successors, (285), 228 states have internal predecessors, (285), 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) [2024-11-09 05:43:20,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 327 transitions. [2024-11-09 05:43:20,491 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 327 transitions. Word has length 9 [2024-11-09 05:43:20,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:43:20,491 INFO L471 AbstractCegarLoop]: Abstraction has 238 states and 327 transitions. [2024-11-09 05:43:20,492 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) [2024-11-09 05:43:20,492 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 327 transitions. [2024-11-09 05:43:20,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-09 05:43:20,494 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:43:20,497 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] [2024-11-09 05:43:20,503 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f578484c-5a45-40f4-b4c6-6afd0e430ae8/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 05:43:20,698 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f578484c-5a45-40f4-b4c6-6afd0e430ae8/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 05:43:20,698 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-09 05:43:20,699 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:43:20,699 INFO L85 PathProgramCache]: Analyzing trace with hash 728414997, now seen corresponding path program 1 times [2024-11-09 05:43:20,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:43:20,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1660155721] [2024-11-09 05:43:20,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:43:20,702 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 [2024-11-09 05:43:20,702 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f578484c-5a45-40f4-b4c6-6afd0e430ae8/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:43:20,706 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f578484c-5a45-40f4-b4c6-6afd0e430ae8/bin/utaipan-verify-YMUCfTKeje/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) [2024-11-09 05:43:20,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f578484c-5a45-40f4-b4c6-6afd0e430ae8/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 05:43:21,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:43:21,216 INFO L255 TraceCheckSpWp]: Trace formula consists of 328 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 05:43:21,219 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:43:21,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:43:21,291 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:43:21,291 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 05:43:21,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1660155721] [2024-11-09 05:43:21,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1660155721] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:43:21,291 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:43:21,292 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 05:43:21,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387108087] [2024-11-09 05:43:21,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:43:21,293 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 05:43:21,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 05:43:21,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 05:43:21,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 05:43:21,294 INFO L87 Difference]: Start difference. First operand 238 states and 327 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) [2024-11-09 05:43:21,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:43:21,523 INFO L93 Difference]: Finished difference Result 240 states and 320 transitions. [2024-11-09 05:43:21,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 05:43:21,524 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 [2024-11-09 05:43:21,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:43:21,526 INFO L225 Difference]: With dead ends: 240 [2024-11-09 05:43:21,526 INFO L226 Difference]: Without dead ends: 240 [2024-11-09 05:43:21,527 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 [2024-11-09 05:43:21,528 INFO L432 NwaCegarLoop]: 293 mSDtfsCounter, 30 mSDsluCounter, 567 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 860 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 05:43:21,529 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 860 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 05:43:21,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2024-11-09 05:43:21,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 240. [2024-11-09 05:43:21,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 240 states, 213 states have (on average 1.3051643192488263) internal successors, (278), 230 states have internal predecessors, (278), 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) [2024-11-09 05:43:21,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 320 transitions. [2024-11-09 05:43:21,546 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 320 transitions. Word has length 67 [2024-11-09 05:43:21,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:43:21,546 INFO L471 AbstractCegarLoop]: Abstraction has 240 states and 320 transitions. [2024-11-09 05:43:21,547 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) [2024-11-09 05:43:21,547 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 320 transitions. [2024-11-09 05:43:21,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-09 05:43:21,549 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:43:21,549 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] [2024-11-09 05:43:21,560 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f578484c-5a45-40f4-b4c6-6afd0e430ae8/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 05:43:21,750 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f578484c-5a45-40f4-b4c6-6afd0e430ae8/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 05:43:21,751 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-09 05:43:21,752 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:43:21,752 INFO L85 PathProgramCache]: Analyzing trace with hash -650570871, now seen corresponding path program 1 times [2024-11-09 05:43:21,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:43:21,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [749900359] [2024-11-09 05:43:21,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:43:21,754 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 [2024-11-09 05:43:21,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f578484c-5a45-40f4-b4c6-6afd0e430ae8/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:43:21,758 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f578484c-5a45-40f4-b4c6-6afd0e430ae8/bin/utaipan-verify-YMUCfTKeje/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) [2024-11-09 05:43:21,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f578484c-5a45-40f4-b4c6-6afd0e430ae8/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 05:43:22,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:43:22,214 INFO L255 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 05:43:22,218 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:43:22,435 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:43:22,435 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:43:22,436 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 05:43:22,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [749900359] [2024-11-09 05:43:22,436 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [749900359] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:43:22,437 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:43:22,437 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 05:43:22,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159066720] [2024-11-09 05:43:22,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:43:22,438 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 05:43:22,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 05:43:22,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 05:43:22,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 05:43:22,439 INFO L87 Difference]: Start difference. First operand 240 states and 320 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) [2024-11-09 05:43:22,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:43:22,594 INFO L93 Difference]: Finished difference Result 234 states and 310 transitions. [2024-11-09 05:43:22,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 05:43:22,595 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 [2024-11-09 05:43:22,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:43:22,597 INFO L225 Difference]: With dead ends: 234 [2024-11-09 05:43:22,597 INFO L226 Difference]: Without dead ends: 234 [2024-11-09 05:43:22,597 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 [2024-11-09 05:43:22,598 INFO L432 NwaCegarLoop]: 292 mSDtfsCounter, 0 mSDsluCounter, 565 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 857 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:43:22,599 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 857 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 05:43:22,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2024-11-09 05:43:22,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 234. [2024-11-09 05:43:22,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 234 states, 207 states have (on average 1.2946859903381642) internal successors, (268), 224 states have internal predecessors, (268), 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) [2024-11-09 05:43:22,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 310 transitions. [2024-11-09 05:43:22,613 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 310 transitions. Word has length 67 [2024-11-09 05:43:22,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:43:22,614 INFO L471 AbstractCegarLoop]: Abstraction has 234 states and 310 transitions. [2024-11-09 05:43:22,614 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) [2024-11-09 05:43:22,615 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 310 transitions. [2024-11-09 05:43:22,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-09 05:43:22,617 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:43:22,617 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] [2024-11-09 05:43:22,626 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f578484c-5a45-40f4-b4c6-6afd0e430ae8/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 05:43:22,817 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f578484c-5a45-40f4-b4c6-6afd0e430ae8/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 05:43:22,818 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-09 05:43:22,818 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:43:22,818 INFO L85 PathProgramCache]: Analyzing trace with hash -256204085, now seen corresponding path program 1 times [2024-11-09 05:43:22,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:43:22,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2073667163] [2024-11-09 05:43:22,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:43:22,820 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 [2024-11-09 05:43:22,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f578484c-5a45-40f4-b4c6-6afd0e430ae8/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:43:22,823 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f578484c-5a45-40f4-b4c6-6afd0e430ae8/bin/utaipan-verify-YMUCfTKeje/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) [2024-11-09 05:43:22,824 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f578484c-5a45-40f4-b4c6-6afd0e430ae8/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 05:43:23,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:43:23,242 INFO L255 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 05:43:23,246 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:43:23,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:43:23,771 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:43:23,771 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 05:43:23,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2073667163] [2024-11-09 05:43:23,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2073667163] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:43:23,773 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:43:23,773 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 05:43:23,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256689376] [2024-11-09 05:43:23,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:43:23,774 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:43:23,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 05:43:23,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:43:23,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:43:23,776 INFO L87 Difference]: Start difference. First operand 234 states and 310 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) [2024-11-09 05:43:24,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:43:24,735 INFO L93 Difference]: Finished difference Result 344 states and 443 transitions. [2024-11-09 05:43:24,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:43:24,736 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 [2024-11-09 05:43:24,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:43:24,739 INFO L225 Difference]: With dead ends: 344 [2024-11-09 05:43:24,739 INFO L226 Difference]: Without dead ends: 344 [2024-11-09 05:43:24,739 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 [2024-11-09 05:43:24,740 INFO L432 NwaCegarLoop]: 354 mSDtfsCounter, 91 mSDsluCounter, 285 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 639 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-09 05:43:24,741 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 639 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-09 05:43:24,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344 states. [2024-11-09 05:43:24,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344 to 339. [2024-11-09 05:43:24,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 339 states, 311 states have (on average 1.270096463022508) internal successors, (395), 328 states have internal predecessors, (395), 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) [2024-11-09 05:43:24,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 339 states and 439 transitions. [2024-11-09 05:43:24,758 INFO L78 Accepts]: Start accepts. Automaton has 339 states and 439 transitions. Word has length 67 [2024-11-09 05:43:24,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:43:24,759 INFO L471 AbstractCegarLoop]: Abstraction has 339 states and 439 transitions. [2024-11-09 05:43:24,759 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) [2024-11-09 05:43:24,759 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 439 transitions. [2024-11-09 05:43:24,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-09 05:43:24,762 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:43:24,763 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] [2024-11-09 05:43:24,780 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f578484c-5a45-40f4-b4c6-6afd0e430ae8/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 05:43:24,963 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f578484c-5a45-40f4-b4c6-6afd0e430ae8/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 05:43:24,964 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-09 05:43:24,964 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:43:24,964 INFO L85 PathProgramCache]: Analyzing trace with hash -292409452, now seen corresponding path program 1 times [2024-11-09 05:43:24,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:43:24,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1130655884] [2024-11-09 05:43:24,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:43:24,966 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 [2024-11-09 05:43:24,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f578484c-5a45-40f4-b4c6-6afd0e430ae8/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:43:24,969 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f578484c-5a45-40f4-b4c6-6afd0e430ae8/bin/utaipan-verify-YMUCfTKeje/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) [2024-11-09 05:43:24,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f578484c-5a45-40f4-b4c6-6afd0e430ae8/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 05:43:25,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:43:25,559 INFO L255 TraceCheckSpWp]: Trace formula consists of 447 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 05:43:25,563 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:43:25,616 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:43:25,616 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:43:25,617 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 05:43:25,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1130655884] [2024-11-09 05:43:25,617 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1130655884] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:43:25,617 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:43:25,618 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 05:43:25,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1735765497] [2024-11-09 05:43:25,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:43:25,619 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 05:43:25,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 05:43:25,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 05:43:25,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 05:43:25,625 INFO L87 Difference]: Start difference. First operand 339 states and 439 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) [2024-11-09 05:43:25,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:43:25,691 INFO L93 Difference]: Finished difference Result 342 states and 443 transitions. [2024-11-09 05:43:25,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 05:43:25,695 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 [2024-11-09 05:43:25,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:43:25,698 INFO L225 Difference]: With dead ends: 342 [2024-11-09 05:43:25,698 INFO L226 Difference]: Without dead ends: 342 [2024-11-09 05:43:25,698 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 [2024-11-09 05:43:25,699 INFO L432 NwaCegarLoop]: 305 mSDtfsCounter, 0 mSDsluCounter, 606 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 911 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 [2024-11-09 05:43:25,700 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 911 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 05:43:25,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2024-11-09 05:43:25,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 342. [2024-11-09 05:43:25,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 342 states, 313 states have (on average 1.2715654952076678) internal successors, (398), 331 states have internal predecessors, (398), 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) [2024-11-09 05:43:25,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 443 transitions. [2024-11-09 05:43:25,720 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 443 transitions. Word has length 82 [2024-11-09 05:43:25,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:43:25,721 INFO L471 AbstractCegarLoop]: Abstraction has 342 states and 443 transitions. [2024-11-09 05:43:25,721 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) [2024-11-09 05:43:25,721 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 443 transitions. [2024-11-09 05:43:25,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-09 05:43:25,724 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:43:25,724 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] [2024-11-09 05:43:25,737 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f578484c-5a45-40f4-b4c6-6afd0e430ae8/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 05:43:25,925 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f578484c-5a45-40f4-b4c6-6afd0e430ae8/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 05:43:25,925 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-09 05:43:25,926 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:43:25,926 INFO L85 PathProgramCache]: Analyzing trace with hash 929990482, now seen corresponding path program 1 times [2024-11-09 05:43:25,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:43:25,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1687361876] [2024-11-09 05:43:25,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:43:25,927 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 [2024-11-09 05:43:25,928 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f578484c-5a45-40f4-b4c6-6afd0e430ae8/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:43:25,931 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f578484c-5a45-40f4-b4c6-6afd0e430ae8/bin/utaipan-verify-YMUCfTKeje/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) [2024-11-09 05:43:25,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f578484c-5a45-40f4-b4c6-6afd0e430ae8/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 05:43:26,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:43:26,555 INFO L255 TraceCheckSpWp]: Trace formula consists of 469 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 05:43:26,559 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:43:26,624 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 05:43:26,625 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:43:26,790 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-09 05:43:26,790 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 05:43:26,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1687361876] [2024-11-09 05:43:26,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1687361876] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:43:26,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [647296635] [2024-11-09 05:43:26,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:43:26,792 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 05:43:26,792 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f578484c-5a45-40f4-b4c6-6afd0e430ae8/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 05:43:26,796 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f578484c-5a45-40f4-b4c6-6afd0e430ae8/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 05:43:26,806 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f578484c-5a45-40f4-b4c6-6afd0e430ae8/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-09 05:43:27,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:43:27,770 INFO L255 TraceCheckSpWp]: Trace formula consists of 469 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 05:43:27,773 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:43:27,801 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 05:43:27,801 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:43:27,875 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-09 05:43:27,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [647296635] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:43:27,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1257434195] [2024-11-09 05:43:27,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:43:27,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:43:27,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f578484c-5a45-40f4-b4c6-6afd0e430ae8/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:43:27,881 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f578484c-5a45-40f4-b4c6-6afd0e430ae8/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:43:27,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f578484c-5a45-40f4-b4c6-6afd0e430ae8/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-09 05:43:28,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:43:28,497 INFO L255 TraceCheckSpWp]: Trace formula consists of 469 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 05:43:28,501 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:43:28,528 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-09 05:43:28,529 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:43:28,696 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-09 05:43:28,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1257434195] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:43:28,697 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2024-11-09 05:43:28,697 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 11 [2024-11-09 05:43:28,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1847705571] [2024-11-09 05:43:28,698 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2024-11-09 05:43:28,699 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-09 05:43:28,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 05:43:28,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-09 05:43:28,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2024-11-09 05:43:28,701 INFO L87 Difference]: Start difference. First operand 342 states and 443 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) [2024-11-09 05:43:29,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:43:29,176 INFO L93 Difference]: Finished difference Result 357 states and 465 transitions. [2024-11-09 05:43:29,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-09 05:43:29,188 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 [2024-11-09 05:43:29,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:43:29,191 INFO L225 Difference]: With dead ends: 357 [2024-11-09 05:43:29,191 INFO L226 Difference]: Without dead ends: 357 [2024-11-09 05:43:29,194 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 507 GetRequests, 489 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=122, Invalid=258, Unknown=0, NotChecked=0, Total=380 [2024-11-09 05:43:29,195 INFO L432 NwaCegarLoop]: 304 mSDtfsCounter, 13 mSDsluCounter, 1502 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 1806 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 05:43:29,196 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 1806 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 05:43:29,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 357 states. [2024-11-09 05:43:29,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 357 to 353. [2024-11-09 05:43:29,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 353 states, 323 states have (on average 1.2879256965944272) internal successors, (416), 341 states have internal predecessors, (416), 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) [2024-11-09 05:43:29,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 461 transitions. [2024-11-09 05:43:29,218 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 461 transitions. Word has length 84 [2024-11-09 05:43:29,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:43:29,221 INFO L471 AbstractCegarLoop]: Abstraction has 353 states and 461 transitions. [2024-11-09 05:43:29,221 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) [2024-11-09 05:43:29,221 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 461 transitions. [2024-11-09 05:43:29,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-09 05:43:29,226 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:43:29,227 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] [2024-11-09 05:43:29,261 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f578484c-5a45-40f4-b4c6-6afd0e430ae8/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-09 05:43:29,439 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f578484c-5a45-40f4-b4c6-6afd0e430ae8/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 05:43:29,633 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f578484c-5a45-40f4-b4c6-6afd0e430ae8/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-09 05:43:29,828 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f578484c-5a45-40f4-b4c6-6afd0e430ae8/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f578484c-5a45-40f4-b4c6-6afd0e430ae8/bin/utaipan-verify-YMUCfTKeje/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_f578484c-5a45-40f4-b4c6-6afd0e430ae8/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt [2024-11-09 05:43:29,828 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-09 05:43:29,829 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:43:29,829 INFO L85 PathProgramCache]: Analyzing trace with hash 1020438676, now seen corresponding path program 2 times [2024-11-09 05:43:29,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:43:29,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1994211907] [2024-11-09 05:43:29,830 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 05:43:29,830 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 [2024-11-09 05:43:29,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f578484c-5a45-40f4-b4c6-6afd0e430ae8/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:43:29,831 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f578484c-5a45-40f4-b4c6-6afd0e430ae8/bin/utaipan-verify-YMUCfTKeje/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) [2024-11-09 05:43:29,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f578484c-5a45-40f4-b4c6-6afd0e430ae8/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 05:43:30,951 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-09 05:43:30,952 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 05:43:30,978 INFO L255 TraceCheckSpWp]: Trace formula consists of 535 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 05:43:30,982 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:43:31,148 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 28 proven. 10 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-09 05:43:31,148 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:43:31,508 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-09 05:43:31,508 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 05:43:31,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1994211907] [2024-11-09 05:43:31,509 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1994211907] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:43:31,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [773695827] [2024-11-09 05:43:31,509 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 05:43:31,509 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 05:43:31,509 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f578484c-5a45-40f4-b4c6-6afd0e430ae8/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 05:43:31,510 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f578484c-5a45-40f4-b4c6-6afd0e430ae8/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 05:43:31,512 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f578484c-5a45-40f4-b4c6-6afd0e430ae8/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-09 05:43:48,789 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-09 05:43:48,790 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 05:43:48,847 INFO L255 TraceCheckSpWp]: Trace formula consists of 535 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 05:43:48,850 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:43:48,892 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 28 proven. 10 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-09 05:43:48,892 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:43:49,064 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-09 05:43:49,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [773695827] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:43:49,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2052225756] [2024-11-09 05:43:49,065 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 05:43:49,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:43:49,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f578484c-5a45-40f4-b4c6-6afd0e430ae8/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:43:49,070 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f578484c-5a45-40f4-b4c6-6afd0e430ae8/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:43:49,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f578484c-5a45-40f4-b4c6-6afd0e430ae8/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-09 05:52:42,131 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-09 05:52:42,131 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 05:52:42,192 INFO L255 TraceCheckSpWp]: Trace formula consists of 535 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 05:52:42,196 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:52:42,334 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 27 proven. 10 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-09 05:52:42,334 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:52:42,844 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 27 proven. 10 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-09 05:52:42,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2052225756] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:52:42,845 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2024-11-09 05:52:42,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8, 8, 8, 8] total 22 [2024-11-09 05:52:42,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182480274] [2024-11-09 05:52:42,846 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2024-11-09 05:52:42,847 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-09 05:52:42,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 05:52:42,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-09 05:52:42,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=137, Invalid=325, Unknown=0, NotChecked=0, Total=462 [2024-11-09 05:52:42,849 INFO L87 Difference]: Start difference. First operand 353 states and 461 transitions. Second operand has 22 states, 22 states have (on average 4.681818181818182) internal successors, (103), 22 states have internal predecessors, (103), 2 states have call successors, (7), 2 states have call predecessors, (7), 6 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-09 05:52:44,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:52:44,553 INFO L93 Difference]: Finished difference Result 373 states and 490 transitions. [2024-11-09 05:52:44,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-09 05:52:44,554 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 4.681818181818182) internal successors, (103), 22 states have internal predecessors, (103), 2 states have call successors, (7), 2 states have call predecessors, (7), 6 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 90 [2024-11-09 05:52:44,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:52:44,556 INFO L225 Difference]: With dead ends: 373 [2024-11-09 05:52:44,558 INFO L226 Difference]: Without dead ends: 367 [2024-11-09 05:52:44,559 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 555 GetRequests, 514 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 340 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=505, Invalid=1301, Unknown=0, NotChecked=0, Total=1806 [2024-11-09 05:52:44,560 INFO L432 NwaCegarLoop]: 305 mSDtfsCounter, 25 mSDsluCounter, 3313 mSDsCounter, 0 mSdLazyCounter, 229 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 3618 SdHoareTripleChecker+Invalid, 254 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 229 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-09 05:52:44,561 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 3618 Invalid, 254 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 229 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-09 05:52:44,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 367 states. [2024-11-09 05:52:44,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 367 to 365. [2024-11-09 05:52:44,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 365 states, 335 states have (on average 1.2925373134328357) internal successors, (433), 353 states have internal predecessors, (433), 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) [2024-11-09 05:52:44,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 365 states and 478 transitions. [2024-11-09 05:52:44,580 INFO L78 Accepts]: Start accepts. Automaton has 365 states and 478 transitions. Word has length 90 [2024-11-09 05:52:44,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:52:44,581 INFO L471 AbstractCegarLoop]: Abstraction has 365 states and 478 transitions. [2024-11-09 05:52:44,581 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 4.681818181818182) internal successors, (103), 22 states have internal predecessors, (103), 2 states have call successors, (7), 2 states have call predecessors, (7), 6 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-09 05:52:44,581 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 478 transitions. [2024-11-09 05:52:44,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-09 05:52:44,583 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:52:44,583 INFO L215 NwaCegarLoop]: trace histogram [20, 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] [2024-11-09 05:52:44,601 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f578484c-5a45-40f4-b4c6-6afd0e430ae8/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (12)] Forceful destruction successful, exit code 0 [2024-11-09 05:52:44,845 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f578484c-5a45-40f4-b4c6-6afd0e430ae8/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-11-09 05:52:44,996 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f578484c-5a45-40f4-b4c6-6afd0e430ae8/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Ended with exit code 0 [2024-11-09 05:52:45,184 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f578484c-5a45-40f4-b4c6-6afd0e430ae8/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f578484c-5a45-40f4-b4c6-6afd0e430ae8/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f578484c-5a45-40f4-b4c6-6afd0e430ae8/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 05:52:45,185 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-09 05:52:45,190 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:52:45,190 INFO L85 PathProgramCache]: Analyzing trace with hash 714343956, now seen corresponding path program 3 times [2024-11-09 05:52:45,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:52:45,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1355733753] [2024-11-09 05:52:45,191 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-09 05:52:45,191 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 [2024-11-09 05:52:45,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f578484c-5a45-40f4-b4c6-6afd0e430ae8/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:52:45,194 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f578484c-5a45-40f4-b4c6-6afd0e430ae8/bin/utaipan-verify-YMUCfTKeje/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) [2024-11-09 05:52:45,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f578484c-5a45-40f4-b4c6-6afd0e430ae8/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2024-11-09 05:52:49,065 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2024-11-09 05:52:49,065 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 05:52:49,102 INFO L255 TraceCheckSpWp]: Trace formula consists of 645 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-09 05:52:49,105 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:52:49,479 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 123 proven. 55 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-11-09 05:52:49,479 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:52:50,630 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 123 proven. 55 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-11-09 05:52:50,630 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 05:52:50,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1355733753] [2024-11-09 05:52:50,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1355733753] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:52:50,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [999858919] [2024-11-09 05:52:50,631 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-09 05:52:50,631 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 05:52:50,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f578484c-5a45-40f4-b4c6-6afd0e430ae8/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 05:52:50,632 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f578484c-5a45-40f4-b4c6-6afd0e430ae8/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 05:52:50,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f578484c-5a45-40f4-b4c6-6afd0e430ae8/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-09 05:53:22,424 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2024-11-09 05:53:22,424 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 05:53:22,493 INFO L255 TraceCheckSpWp]: Trace formula consists of 645 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-09 05:53:22,498 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:53:22,728 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 123 proven. 55 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-11-09 05:53:22,728 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:53:23,160 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 123 proven. 55 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-11-09 05:53:23,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [999858919] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:53:23,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1831440546] [2024-11-09 05:53:23,162 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-09 05:53:23,162 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:53:23,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f578484c-5a45-40f4-b4c6-6afd0e430ae8/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:53:23,164 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f578484c-5a45-40f4-b4c6-6afd0e430ae8/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:53:23,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f578484c-5a45-40f4-b4c6-6afd0e430ae8/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process