./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_nondet_test4-3.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_3c058c76-cccb-4129-bf4c-9a94557ebb52/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c058c76-cccb-4129-bf4c-9a94557ebb52/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c058c76-cccb-4129-bf4c-9a94557ebb52/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c058c76-cccb-4129-bf4c-9a94557ebb52/bin/uautomizer-verify-jihMAELWvX/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_nondet_test4-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c058c76-cccb-4129-bf4c-9a94557ebb52/bin/uautomizer-verify-jihMAELWvX/config/svcomp-MemCleanup-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c058c76-cccb-4129-bf4c-9a94557ebb52/bin/uautomizer-verify-jihMAELWvX --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 87dd09ebbd7004650762949ef44f5f810b259dfe76e04f61193dc727167eb435 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 19:16:18,950 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:16:19,032 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c058c76-cccb-4129-bf4c-9a94557ebb52/bin/uautomizer-verify-jihMAELWvX/config/svcomp-MemCleanup-32bit-Automizer_Default.epf [2024-11-08 19:16:19,037 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 19:16:19,037 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 19:16:19,075 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:16:19,076 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 19:16:19,079 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 19:16:19,079 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 19:16:19,080 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 19:16:19,080 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 19:16:19,080 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 19:16:19,081 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:16:19,081 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:16:19,082 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 19:16:19,082 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:16:19,085 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 19:16:19,086 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 19:16:19,086 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 19:16:19,089 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 19:16:19,089 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:16:19,090 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 19:16:19,092 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-08 19:16:19,093 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-08 19:16:19,093 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 19:16:19,093 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 19:16:19,093 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 19:16:19,094 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:16:19,094 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 19:16:19,094 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 19:16:19,094 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 19:16:19,094 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:16:19,095 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:16:19,095 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 19:16:19,095 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 19:16:19,095 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 19:16:19,096 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 19:16:19,096 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:16:19,097 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 19:16:19,106 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 19:16:19,106 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 19:16:19,106 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 19:16:19,107 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 19:16:19,107 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 19:16:19,108 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 19:16:19,108 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_3c058c76-cccb-4129-bf4c-9a94557ebb52/bin/uautomizer-verify-jihMAELWvX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c058c76-cccb-4129-bf4c-9a94557ebb52/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 87dd09ebbd7004650762949ef44f5f810b259dfe76e04f61193dc727167eb435 [2024-11-08 19:16:19,427 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:16:19,453 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:16:19,455 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:16:19,457 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:16:19,458 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:16:19,461 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c058c76-cccb-4129-bf4c-9a94557ebb52/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_nondet_test4-3.i Unable to find full path for "g++" [2024-11-08 19:16:21,396 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:16:21,728 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:16:21,729 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c058c76-cccb-4129-bf4c-9a94557ebb52/sv-benchmarks/c/uthash-2.0.2/uthash_BER_nondet_test4-3.i [2024-11-08 19:16:21,746 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c058c76-cccb-4129-bf4c-9a94557ebb52/bin/uautomizer-verify-jihMAELWvX/data/e4f21dc2f/16070b5b649146c3bebd34bc3d148cf3/FLAG9daa4ba49 [2024-11-08 19:16:21,761 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c058c76-cccb-4129-bf4c-9a94557ebb52/bin/uautomizer-verify-jihMAELWvX/data/e4f21dc2f/16070b5b649146c3bebd34bc3d148cf3 [2024-11-08 19:16:21,763 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:16:21,765 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:16:21,766 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:16:21,766 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:16:21,772 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:16:21,773 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:16:21" (1/1) ... [2024-11-08 19:16:21,775 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@306f9ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:16:21, skipping insertion in model container [2024-11-08 19:16:21,775 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:16:21" (1/1) ... [2024-11-08 19:16:21,843 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:16:22,325 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 19:16:22,356 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 19:16:22,360 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 19:16:22,364 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 19:16:22,372 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 19:16:22,433 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 19:16:22,438 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 19:16:22,444 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 19:16:22,456 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 19:16:22,473 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 19:16:22,474 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 19:16:22,477 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 19:16:22,478 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 19:16:22,480 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 19:16:22,481 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 19:16:22,486 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 19:16:22,487 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 19:16:22,488 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 19:16:22,490 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 19:16:22,494 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 19:16:22,506 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:16:22,527 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) [2024-11-08 19:16:22,528 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3ca822b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:16:22, skipping insertion in model container [2024-11-08 19:16:22,528 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 19:16:22,529 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-11-08 19:16:22,534 INFO L158 Benchmark]: Toolchain (without parser) took 768.40ms. Allocated memory is still 155.2MB. Free memory was 114.3MB in the beginning and 88.7MB in the end (delta: 25.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-08 19:16:22,535 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 155.2MB. Free memory is still 123.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:16:22,536 INFO L158 Benchmark]: CACSL2BoogieTranslator took 762.63ms. Allocated memory is still 155.2MB. Free memory was 114.3MB in the beginning and 88.7MB in the end (delta: 25.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-08 19:16:22,539 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 155.2MB. Free memory is still 123.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 762.63ms. Allocated memory is still 155.2MB. Free memory was 114.3MB in the beginning and 88.7MB in the end (delta: 25.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 757]: 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_3c058c76-cccb-4129-bf4c-9a94557ebb52/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c058c76-cccb-4129-bf4c-9a94557ebb52/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c058c76-cccb-4129-bf4c-9a94557ebb52/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c058c76-cccb-4129-bf4c-9a94557ebb52/bin/uautomizer-verify-jihMAELWvX/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_nondet_test4-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c058c76-cccb-4129-bf4c-9a94557ebb52/bin/uautomizer-verify-jihMAELWvX/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c058c76-cccb-4129-bf4c-9a94557ebb52/bin/uautomizer-verify-jihMAELWvX --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 87dd09ebbd7004650762949ef44f5f810b259dfe76e04f61193dc727167eb435 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 19:16:24,745 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:16:24,812 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c058c76-cccb-4129-bf4c-9a94557ebb52/bin/uautomizer-verify-jihMAELWvX/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf [2024-11-08 19:16:24,817 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 19:16:24,818 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 19:16:24,841 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:16:24,842 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 19:16:24,842 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 19:16:24,843 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 19:16:24,843 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 19:16:24,844 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 19:16:24,844 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 19:16:24,845 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:16:24,845 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:16:24,845 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 19:16:24,846 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:16:24,846 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 19:16:24,846 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 19:16:24,847 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 19:16:24,847 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 19:16:24,847 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:16:24,848 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 19:16:24,848 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-08 19:16:24,848 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-08 19:16:24,849 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 19:16:24,849 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 19:16:24,849 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 19:16:24,850 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 19:16:24,850 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:16:24,850 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 19:16:24,851 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 19:16:24,851 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 19:16:24,851 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 19:16:24,852 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:16:24,852 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:16:24,852 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 19:16:24,852 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 19:16:24,853 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 19:16:24,853 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 19:16:24,853 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:16:24,854 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 19:16:24,854 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-08 19:16:24,854 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 19:16:24,855 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 19:16:24,855 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 19:16:24,855 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 19:16:24,855 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 19:16:24,856 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_3c058c76-cccb-4129-bf4c-9a94557ebb52/bin/uautomizer-verify-jihMAELWvX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c058c76-cccb-4129-bf4c-9a94557ebb52/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 87dd09ebbd7004650762949ef44f5f810b259dfe76e04f61193dc727167eb435 [2024-11-08 19:16:25,222 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:16:25,246 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:16:25,251 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:16:25,253 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:16:25,255 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:16:25,256 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c058c76-cccb-4129-bf4c-9a94557ebb52/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_nondet_test4-3.i Unable to find full path for "g++" [2024-11-08 19:16:27,336 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:16:27,696 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:16:27,697 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c058c76-cccb-4129-bf4c-9a94557ebb52/sv-benchmarks/c/uthash-2.0.2/uthash_BER_nondet_test4-3.i [2024-11-08 19:16:27,714 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c058c76-cccb-4129-bf4c-9a94557ebb52/bin/uautomizer-verify-jihMAELWvX/data/af32af638/6b2bdf6cc052425999066701df41efc0/FLAGa11da184f [2024-11-08 19:16:27,730 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c058c76-cccb-4129-bf4c-9a94557ebb52/bin/uautomizer-verify-jihMAELWvX/data/af32af638/6b2bdf6cc052425999066701df41efc0 [2024-11-08 19:16:27,734 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:16:27,735 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:16:27,738 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:16:27,739 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:16:27,745 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:16:27,746 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:16:27" (1/1) ... [2024-11-08 19:16:27,747 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61859ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:16:27, skipping insertion in model container [2024-11-08 19:16:27,747 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:16:27" (1/1) ... [2024-11-08 19:16:27,822 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:16:28,478 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 19:16:28,530 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 19:16:28,539 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 19:16:28,548 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 19:16:28,564 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 19:16:28,621 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 19:16:28,624 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 19:16:28,627 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 19:16:28,633 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 19:16:28,645 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 19:16:28,646 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 19:16:28,649 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 19:16:28,651 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 19:16:28,652 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 19:16:28,653 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 19:16:28,665 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 19:16:28,666 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 19:16:28,671 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 19:16:28,672 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 19:16:28,681 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 19:16:28,690 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:16:28,715 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-08 19:16:28,736 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:16:28,776 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 19:16:28,806 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 19:16:28,812 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 19:16:28,819 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 19:16:28,828 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 19:16:28,870 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 19:16:28,876 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 19:16:28,878 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 19:16:28,886 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 19:16:28,897 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 19:16:28,898 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 19:16:28,900 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 19:16:28,900 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 19:16:28,901 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 19:16:28,902 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 19:16:28,905 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 19:16:28,906 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 19:16:28,907 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 19:16:28,909 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 19:16:28,911 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 19:16:28,916 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:16:28,923 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 19:16:29,049 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:16:29,096 INFO L204 MainTranslator]: Completed translation [2024-11-08 19:16:29,098 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:16:29 WrapperNode [2024-11-08 19:16:29,098 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 19:16:29,100 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 19:16:29,100 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 19:16:29,100 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 19:16:29,108 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:16:29" (1/1) ... [2024-11-08 19:16:29,162 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:16:29" (1/1) ... [2024-11-08 19:16:29,260 INFO L138 Inliner]: procedures = 179, calls = 425, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1388 [2024-11-08 19:16:29,260 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 19:16:29,261 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 19:16:29,261 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 19:16:29,261 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 19:16:29,278 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:16:29" (1/1) ... [2024-11-08 19:16:29,278 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:16:29" (1/1) ... [2024-11-08 19:16:29,297 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:16:29" (1/1) ... [2024-11-08 19:16:29,478 INFO L175 MemorySlicer]: Split 403 memory accesses to 2 slices as follows [401, 2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [0, 2]. The 98 writes are split as follows [98, 0]. [2024-11-08 19:16:29,482 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:16:29" (1/1) ... [2024-11-08 19:16:29,483 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:16:29" (1/1) ... [2024-11-08 19:16:29,552 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:16:29" (1/1) ... [2024-11-08 19:16:29,565 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:16:29" (1/1) ... [2024-11-08 19:16:29,570 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:16:29" (1/1) ... [2024-11-08 19:16:29,576 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:16:29" (1/1) ... [2024-11-08 19:16:29,588 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 19:16:29,593 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 19:16:29,593 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 19:16:29,593 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 19:16:29,594 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:16:29" (1/1) ... [2024-11-08 19:16:29,606 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 19:16:29,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c058c76-cccb-4129-bf4c-9a94557ebb52/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:16:29,636 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c058c76-cccb-4129-bf4c-9a94557ebb52/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 19:16:29,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c058c76-cccb-4129-bf4c-9a94557ebb52/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 19:16:29,670 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-08 19:16:29,670 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-08 19:16:29,671 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-08 19:16:29,671 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-08 19:16:29,671 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-08 19:16:29,671 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-08 19:16:29,671 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-08 19:16:29,671 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-08 19:16:29,672 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-08 19:16:29,672 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 19:16:29,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-08 19:16:29,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-08 19:16:29,672 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-08 19:16:29,672 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-08 19:16:29,673 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 19:16:29,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-08 19:16:29,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-08 19:16:29,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-08 19:16:29,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-08 19:16:29,673 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 19:16:29,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 19:16:29,962 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 19:16:29,964 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 19:16:45,941 INFO L? ?]: Removed 209 outVars from TransFormulas that were not future-live. [2024-11-08 19:16:45,941 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 19:16:45,965 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 19:16:45,966 INFO L316 CfgBuilder]: Removed 70 assume(true) statements. [2024-11-08 19:16:45,966 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:16:45 BoogieIcfgContainer [2024-11-08 19:16:45,966 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 19:16:45,969 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 19:16:45,969 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 19:16:45,973 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 19:16:45,973 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 07:16:27" (1/3) ... [2024-11-08 19:16:45,974 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42b99c6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 07:16:45, skipping insertion in model container [2024-11-08 19:16:45,974 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:16:29" (2/3) ... [2024-11-08 19:16:45,974 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42b99c6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 07:16:45, skipping insertion in model container [2024-11-08 19:16:45,974 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:16:45" (3/3) ... [2024-11-08 19:16:45,976 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_BER_nondet_test4-3.i [2024-11-08 19:16:45,994 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 19:16:45,994 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-08 19:16:46,064 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 19:16:46,074 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=PETRI_NET, 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;@6364e829, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 19:16:46,074 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-08 19:16:46,080 INFO L276 IsEmpty]: Start isEmpty. Operand has 256 states, 246 states have (on average 1.6422764227642277) internal successors, (404), 248 states have internal predecessors, (404), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-08 19:16:46,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-08 19:16:46,089 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:16:46,090 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-08 19:16:46,090 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-08 19:16:46,098 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:16:46,098 INFO L85 PathProgramCache]: Analyzing trace with hash 1419110, now seen corresponding path program 1 times [2024-11-08 19:16:46,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:16:46,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [886095425] [2024-11-08 19:16:46,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:16:46,111 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:16:46,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c058c76-cccb-4129-bf4c-9a94557ebb52/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:16:46,112 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c058c76-cccb-4129-bf4c-9a94557ebb52/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 19:16:46,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c058c76-cccb-4129-bf4c-9a94557ebb52/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-08 19:16:46,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:16:46,456 INFO L255 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 19:16:46,462 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:16:46,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:16:46,497 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:16:46,498 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:16:46,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [886095425] [2024-11-08 19:16:46,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [886095425] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:16:46,499 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:16:46,500 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 19:16:46,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [119991243] [2024-11-08 19:16:46,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:16:46,507 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 19:16:46,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:16:46,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 19:16:46,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 19:16:46,541 INFO L87 Difference]: Start difference. First operand has 256 states, 246 states have (on average 1.6422764227642277) internal successors, (404), 248 states have internal predecessors, (404), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 19:16:50,642 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 19:16:54,712 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 19:16:54,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:16:54,959 INFO L93 Difference]: Finished difference Result 321 states and 426 transitions. [2024-11-08 19:16:54,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 19:16:54,968 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2024-11-08 19:16:54,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:16:54,978 INFO L225 Difference]: With dead ends: 321 [2024-11-08 19:16:54,978 INFO L226 Difference]: Without dead ends: 317 [2024-11-08 19:16:54,980 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 19:16:54,983 INFO L432 NwaCegarLoop]: 365 mSDtfsCounter, 86 mSDsluCounter, 318 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 683 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.4s IncrementalHoareTripleChecker+Time [2024-11-08 19:16:54,984 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 683 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 2 Unknown, 0 Unchecked, 8.4s Time] [2024-11-08 19:16:55,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2024-11-08 19:16:55,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 267. [2024-11-08 19:16:55,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 267 states, 258 states have (on average 1.3255813953488371) internal successors, (342), 259 states have internal predecessors, (342), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-08 19:16:55,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 354 transitions. [2024-11-08 19:16:55,041 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 354 transitions. Word has length 4 [2024-11-08 19:16:55,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:16:55,042 INFO L471 AbstractCegarLoop]: Abstraction has 267 states and 354 transitions. [2024-11-08 19:16:55,042 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 19:16:55,042 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 354 transitions. [2024-11-08 19:16:55,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-08 19:16:55,043 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:16:55,043 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:16:55,062 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c058c76-cccb-4129-bf4c-9a94557ebb52/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-08 19:16:55,244 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c058c76-cccb-4129-bf4c-9a94557ebb52/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:16:55,245 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-08 19:16:55,245 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:16:55,246 INFO L85 PathProgramCache]: Analyzing trace with hash -638269940, now seen corresponding path program 1 times [2024-11-08 19:16:55,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:16:55,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2146650571] [2024-11-08 19:16:55,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:16:55,247 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:16:55,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c058c76-cccb-4129-bf4c-9a94557ebb52/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:16:55,249 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c058c76-cccb-4129-bf4c-9a94557ebb52/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 19:16:55,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c058c76-cccb-4129-bf4c-9a94557ebb52/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-08 19:16:55,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:16:55,455 INFO L255 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-08 19:16:55,457 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:16:55,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:16:55,562 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:16:55,565 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:16:55,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2146650571] [2024-11-08 19:16:55,566 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2146650571] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:16:55,566 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:16:55,566 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 19:16:55,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [46401749] [2024-11-08 19:16:55,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:16:55,567 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 19:16:55,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:16:55,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 19:16:55,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 19:16:55,568 INFO L87 Difference]: Start difference. First operand 267 states and 354 transitions. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 19:17:00,263 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 19:17:04,437 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 19:17:05,772 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 19:17:10,750 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 19:17:11,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:17:11,045 INFO L93 Difference]: Finished difference Result 389 states and 513 transitions. [2024-11-08 19:17:11,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 19:17:11,050 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2024-11-08 19:17:11,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:17:11,053 INFO L225 Difference]: With dead ends: 389 [2024-11-08 19:17:11,053 INFO L226 Difference]: Without dead ends: 389 [2024-11-08 19:17:11,053 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 19:17:11,058 INFO L432 NwaCegarLoop]: 330 mSDtfsCounter, 164 mSDsluCounter, 585 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 915 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.4s IncrementalHoareTripleChecker+Time [2024-11-08 19:17:11,059 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [167 Valid, 915 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 80 Invalid, 3 Unknown, 0 Unchecked, 15.4s Time] [2024-11-08 19:17:11,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389 states. [2024-11-08 19:17:11,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 389 to 389. [2024-11-08 19:17:11,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 389 states, 377 states have (on average 1.312997347480106) internal successors, (495), 378 states have internal predecessors, (495), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-08 19:17:11,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 513 transitions. [2024-11-08 19:17:11,091 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 513 transitions. Word has length 12 [2024-11-08 19:17:11,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:17:11,092 INFO L471 AbstractCegarLoop]: Abstraction has 389 states and 513 transitions. [2024-11-08 19:17:11,092 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 19:17:11,092 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 513 transitions. [2024-11-08 19:17:11,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 19:17:11,093 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:17:11,094 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] [2024-11-08 19:17:11,113 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c058c76-cccb-4129-bf4c-9a94557ebb52/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-08 19:17:11,294 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c058c76-cccb-4129-bf4c-9a94557ebb52/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:17:11,295 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-08 19:17:11,295 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:17:11,296 INFO L85 PathProgramCache]: Analyzing trace with hash 1011406855, now seen corresponding path program 1 times [2024-11-08 19:17:11,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:17:11,296 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1454189051] [2024-11-08 19:17:11,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:17:11,297 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:17:11,297 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c058c76-cccb-4129-bf4c-9a94557ebb52/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:17:11,299 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c058c76-cccb-4129-bf4c-9a94557ebb52/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 19:17:11,301 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c058c76-cccb-4129-bf4c-9a94557ebb52/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-08 19:17:11,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:17:11,506 INFO L255 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-08 19:17:11,509 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:17:11,685 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:17:11,685 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:17:11,685 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:17:11,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1454189051] [2024-11-08 19:17:11,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1454189051] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:17:11,690 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:17:11,690 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 19:17:11,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587673600] [2024-11-08 19:17:11,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:17:11,691 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 19:17:11,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:17:11,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 19:17:11,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 19:17:11,692 INFO L87 Difference]: Start difference. First operand 389 states and 513 transitions. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 19:17:16,016 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 19:17:20,523 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 19:17:23,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:17:23,231 INFO L93 Difference]: Finished difference Result 440 states and 579 transitions. [2024-11-08 19:17:23,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 19:17:23,235 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2024-11-08 19:17:23,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:17:23,237 INFO L225 Difference]: With dead ends: 440 [2024-11-08 19:17:23,237 INFO L226 Difference]: Without dead ends: 434 [2024-11-08 19:17:23,237 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-08 19:17:23,238 INFO L432 NwaCegarLoop]: 321 mSDtfsCounter, 128 mSDsluCounter, 566 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 5 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 887 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.5s IncrementalHoareTripleChecker+Time [2024-11-08 19:17:23,239 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 887 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 106 Invalid, 2 Unknown, 0 Unchecked, 11.5s Time] [2024-11-08 19:17:23,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2024-11-08 19:17:23,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 380. [2024-11-08 19:17:23,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 380 states, 368 states have (on average 1.309782608695652) internal successors, (482), 369 states have internal predecessors, (482), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-08 19:17:23,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 500 transitions. [2024-11-08 19:17:23,257 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 500 transitions. Word has length 27 [2024-11-08 19:17:23,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:17:23,258 INFO L471 AbstractCegarLoop]: Abstraction has 380 states and 500 transitions. [2024-11-08 19:17:23,258 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 19:17:23,258 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 500 transitions. [2024-11-08 19:17:23,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-08 19:17:23,263 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:17:23,263 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:17:23,284 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c058c76-cccb-4129-bf4c-9a94557ebb52/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-08 19:17:23,464 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c058c76-cccb-4129-bf4c-9a94557ebb52/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:17:23,464 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-08 19:17:23,465 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:17:23,465 INFO L85 PathProgramCache]: Analyzing trace with hash -1942671008, now seen corresponding path program 1 times [2024-11-08 19:17:23,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:17:23,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [303892701] [2024-11-08 19:17:23,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:17:23,468 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:17:23,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c058c76-cccb-4129-bf4c-9a94557ebb52/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:17:23,470 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c058c76-cccb-4129-bf4c-9a94557ebb52/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 19:17:23,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c058c76-cccb-4129-bf4c-9a94557ebb52/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-08 19:17:24,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:17:24,266 INFO L255 TraceCheckSpWp]: Trace formula consists of 797 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 19:17:24,273 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:17:24,417 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-08 19:17:24,418 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:17:24,418 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:17:24,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [303892701] [2024-11-08 19:17:24,418 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [303892701] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:17:24,419 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:17:24,419 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 19:17:24,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852790656] [2024-11-08 19:17:24,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:17:24,423 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 19:17:24,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:17:24,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 19:17:24,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 19:17:24,425 INFO L87 Difference]: Start difference. First operand 380 states and 500 transitions. Second operand has 4 states, 4 states have (on average 33.0) internal successors, (132), 4 states have internal predecessors, (132), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-08 19:17:24,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:17:24,615 INFO L93 Difference]: Finished difference Result 398 states and 506 transitions. [2024-11-08 19:17:24,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 19:17:24,616 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 33.0) internal successors, (132), 4 states have internal predecessors, (132), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 149 [2024-11-08 19:17:24,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:17:24,617 INFO L225 Difference]: With dead ends: 398 [2024-11-08 19:17:24,617 INFO L226 Difference]: Without dead ends: 398 [2024-11-08 19:17:24,618 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-08 19:17:24,619 INFO L432 NwaCegarLoop]: 302 mSDtfsCounter, 22 mSDsluCounter, 581 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 883 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 19:17:24,619 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 883 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 19:17:24,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 398 states. [2024-11-08 19:17:24,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 398 to 396. [2024-11-08 19:17:24,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 396 states, 384 states have (on average 1.265625) internal successors, (486), 385 states have internal predecessors, (486), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-08 19:17:24,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 396 states and 504 transitions. [2024-11-08 19:17:24,652 INFO L78 Accepts]: Start accepts. Automaton has 396 states and 504 transitions. Word has length 149 [2024-11-08 19:17:24,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:17:24,652 INFO L471 AbstractCegarLoop]: Abstraction has 396 states and 504 transitions. [2024-11-08 19:17:24,658 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 33.0) internal successors, (132), 4 states have internal predecessors, (132), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-08 19:17:24,659 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 504 transitions. [2024-11-08 19:17:24,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-08 19:17:24,667 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:17:24,667 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:17:24,704 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c058c76-cccb-4129-bf4c-9a94557ebb52/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-08 19:17:24,867 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c058c76-cccb-4129-bf4c-9a94557ebb52/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:17:24,868 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-08 19:17:24,868 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:17:24,868 INFO L85 PathProgramCache]: Analyzing trace with hash 1490462686, now seen corresponding path program 1 times [2024-11-08 19:17:24,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:17:24,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [198467723] [2024-11-08 19:17:24,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:17:24,870 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:17:24,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c058c76-cccb-4129-bf4c-9a94557ebb52/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:17:24,871 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c058c76-cccb-4129-bf4c-9a94557ebb52/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 19:17:24,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c058c76-cccb-4129-bf4c-9a94557ebb52/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-08 19:17:25,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:17:25,644 INFO L255 TraceCheckSpWp]: Trace formula consists of 799 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 19:17:25,650 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:17:25,687 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 19:17:25,687 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:17:25,687 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:17:25,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [198467723] [2024-11-08 19:17:25,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [198467723] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:17:25,688 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:17:25,688 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 19:17:25,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1404116949] [2024-11-08 19:17:25,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:17:25,689 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 19:17:25,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:17:25,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 19:17:25,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 19:17:25,691 INFO L87 Difference]: Start difference. First operand 396 states and 504 transitions. Second operand has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-08 19:17:25,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:17:25,878 INFO L93 Difference]: Finished difference Result 436 states and 544 transitions. [2024-11-08 19:17:25,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 19:17:25,879 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 149 [2024-11-08 19:17:25,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:17:25,881 INFO L225 Difference]: With dead ends: 436 [2024-11-08 19:17:25,881 INFO L226 Difference]: Without dead ends: 436 [2024-11-08 19:17:25,882 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 19:17:25,882 INFO L432 NwaCegarLoop]: 303 mSDtfsCounter, 8 mSDsluCounter, 288 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 591 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 19:17:25,883 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 591 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 19:17:25,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 436 states. [2024-11-08 19:17:25,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 436 to 436. [2024-11-08 19:17:25,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 436 states, 424 states have (on average 1.240566037735849) internal successors, (526), 425 states have internal predecessors, (526), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-08 19:17:25,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 436 states and 544 transitions. [2024-11-08 19:17:25,915 INFO L78 Accepts]: Start accepts. Automaton has 436 states and 544 transitions. Word has length 149 [2024-11-08 19:17:25,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:17:25,917 INFO L471 AbstractCegarLoop]: Abstraction has 436 states and 544 transitions. [2024-11-08 19:17:25,917 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-08 19:17:25,919 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 544 transitions. [2024-11-08 19:17:25,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-08 19:17:25,921 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:17:25,922 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:17:25,958 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c058c76-cccb-4129-bf4c-9a94557ebb52/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-08 19:17:26,122 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c058c76-cccb-4129-bf4c-9a94557ebb52/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:17:26,123 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-08 19:17:26,123 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:17:26,123 INFO L85 PathProgramCache]: Analyzing trace with hash 1907859292, now seen corresponding path program 1 times [2024-11-08 19:17:26,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:17:26,124 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1054004957] [2024-11-08 19:17:26,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:17:26,125 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:17:26,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c058c76-cccb-4129-bf4c-9a94557ebb52/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:17:26,126 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c058c76-cccb-4129-bf4c-9a94557ebb52/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 19:17:26,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c058c76-cccb-4129-bf4c-9a94557ebb52/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-08 19:17:26,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:17:26,847 INFO L255 TraceCheckSpWp]: Trace formula consists of 801 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 19:17:26,864 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:17:27,545 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-08 19:17:27,546 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:17:27,546 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:17:27,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1054004957] [2024-11-08 19:17:27,546 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1054004957] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:17:27,546 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:17:27,546 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 19:17:27,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1333055339] [2024-11-08 19:17:27,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:17:27,547 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 19:17:27,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:17:27,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 19:17:27,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 19:17:27,549 INFO L87 Difference]: Start difference. First operand 436 states and 544 transitions. Second operand has 4 states, 4 states have (on average 33.0) internal successors, (132), 4 states have internal predecessors, (132), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-08 19:17:32,075 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 19:17:36,081 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 19:17:41,098 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 19:17:45,104 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 19:17:47,182 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 19:17:53,142 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 19:17:54,996 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 19:17:55,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:17:55,265 INFO L93 Difference]: Finished difference Result 445 states and 553 transitions. [2024-11-08 19:17:55,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 19:17:55,266 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 33.0) internal successors, (132), 4 states have internal predecessors, (132), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 149 [2024-11-08 19:17:55,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:17:55,268 INFO L225 Difference]: With dead ends: 445 [2024-11-08 19:17:55,268 INFO L226 Difference]: Without dead ends: 445 [2024-11-08 19:17:55,269 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-08 19:17:55,269 INFO L432 NwaCegarLoop]: 390 mSDtfsCounter, 315 mSDsluCounter, 319 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 7 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 316 SdHoareTripleChecker+Valid, 709 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.7s IncrementalHoareTripleChecker+Time [2024-11-08 19:17:55,270 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [316 Valid, 709 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 137 Invalid, 5 Unknown, 0 Unchecked, 27.7s Time] [2024-11-08 19:17:55,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 445 states. [2024-11-08 19:17:55,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 445 to 438. [2024-11-08 19:17:55,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 438 states, 426 states have (on average 1.2370892018779343) internal successors, (527), 427 states have internal predecessors, (527), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-08 19:17:55,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 438 states and 545 transitions. [2024-11-08 19:17:55,292 INFO L78 Accepts]: Start accepts. Automaton has 438 states and 545 transitions. Word has length 149 [2024-11-08 19:17:55,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:17:55,292 INFO L471 AbstractCegarLoop]: Abstraction has 438 states and 545 transitions. [2024-11-08 19:17:55,293 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 33.0) internal successors, (132), 4 states have internal predecessors, (132), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-08 19:17:55,293 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 545 transitions. [2024-11-08 19:17:55,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-08 19:17:55,298 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:17:55,299 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:17:55,327 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c058c76-cccb-4129-bf4c-9a94557ebb52/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-08 19:17:55,499 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c058c76-cccb-4129-bf4c-9a94557ebb52/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:17:55,500 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-08 19:17:55,500 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:17:55,501 INFO L85 PathProgramCache]: Analyzing trace with hash 251746828, now seen corresponding path program 1 times [2024-11-08 19:17:55,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:17:55,502 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1041534563] [2024-11-08 19:17:55,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:17:55,504 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:17:55,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c058c76-cccb-4129-bf4c-9a94557ebb52/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:17:55,507 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c058c76-cccb-4129-bf4c-9a94557ebb52/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 19:17:55,509 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c058c76-cccb-4129-bf4c-9a94557ebb52/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-08 19:17:56,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:17:56,351 INFO L255 TraceCheckSpWp]: Trace formula consists of 799 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 19:17:56,357 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:17:56,422 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 19:17:56,423 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:17:56,423 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:17:56,423 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1041534563] [2024-11-08 19:17:56,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1041534563] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:17:56,424 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:17:56,424 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 19:17:56,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292639046] [2024-11-08 19:17:56,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:17:56,425 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 19:17:56,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:17:56,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 19:17:56,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 19:17:56,426 INFO L87 Difference]: Start difference. First operand 438 states and 545 transitions. Second operand has 4 states, 4 states have (on average 33.75) internal successors, (135), 4 states have internal predecessors, (135), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-08 19:17:56,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:17:56,628 INFO L93 Difference]: Finished difference Result 402 states and 485 transitions. [2024-11-08 19:17:56,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 19:17:56,629 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 33.75) internal successors, (135), 4 states have internal predecessors, (135), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 149 [2024-11-08 19:17:56,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:17:56,631 INFO L225 Difference]: With dead ends: 402 [2024-11-08 19:17:56,631 INFO L226 Difference]: Without dead ends: 402 [2024-11-08 19:17:56,631 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-08 19:17:56,632 INFO L432 NwaCegarLoop]: 288 mSDtfsCounter, 32 mSDsluCounter, 562 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 850 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 19:17:56,633 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 850 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 19:17:56,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 402 states. [2024-11-08 19:17:56,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 402 to 402. [2024-11-08 19:17:56,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 402 states, 390 states have (on average 1.1974358974358974) internal successors, (467), 391 states have internal predecessors, (467), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-08 19:17:56,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 402 states and 485 transitions. [2024-11-08 19:17:56,644 INFO L78 Accepts]: Start accepts. Automaton has 402 states and 485 transitions. Word has length 149 [2024-11-08 19:17:56,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:17:56,644 INFO L471 AbstractCegarLoop]: Abstraction has 402 states and 485 transitions. [2024-11-08 19:17:56,645 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 33.75) internal successors, (135), 4 states have internal predecessors, (135), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-08 19:17:56,645 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 485 transitions. [2024-11-08 19:17:56,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-08 19:17:56,647 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:17:56,647 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:17:56,676 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c058c76-cccb-4129-bf4c-9a94557ebb52/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-08 19:17:56,848 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c058c76-cccb-4129-bf4c-9a94557ebb52/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:17:56,848 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-08 19:17:56,849 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:17:56,849 INFO L85 PathProgramCache]: Analyzing trace with hash -2005685734, now seen corresponding path program 1 times [2024-11-08 19:17:56,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:17:56,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [478881282] [2024-11-08 19:17:56,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:17:56,850 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:17:56,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c058c76-cccb-4129-bf4c-9a94557ebb52/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:17:56,851 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c058c76-cccb-4129-bf4c-9a94557ebb52/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 19:17:56,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c058c76-cccb-4129-bf4c-9a94557ebb52/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-08 19:17:57,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:17:57,655 INFO L255 TraceCheckSpWp]: Trace formula consists of 785 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 19:17:57,660 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:17:57,753 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-08 19:17:57,753 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:17:57,754 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:17:57,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [478881282] [2024-11-08 19:17:57,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [478881282] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:17:57,754 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:17:57,754 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 19:17:57,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176529165] [2024-11-08 19:17:57,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:17:57,755 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 19:17:57,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:17:57,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 19:17:57,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-08 19:17:57,757 INFO L87 Difference]: Start difference. First operand 402 states and 485 transitions. Second operand has 5 states, 5 states have (on average 26.4) internal successors, (132), 5 states have internal predecessors, (132), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-08 19:17:57,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:17:57,888 INFO L93 Difference]: Finished difference Result 378 states and 447 transitions. [2024-11-08 19:17:57,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 19:17:57,889 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 26.4) internal successors, (132), 5 states have internal predecessors, (132), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 149 [2024-11-08 19:17:57,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:17:57,891 INFO L225 Difference]: With dead ends: 378 [2024-11-08 19:17:57,891 INFO L226 Difference]: Without dead ends: 378 [2024-11-08 19:17:57,891 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-08 19:17:57,892 INFO L432 NwaCegarLoop]: 284 mSDtfsCounter, 30 mSDsluCounter, 556 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 840 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 19:17:57,892 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 840 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 19:17:57,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378 states. [2024-11-08 19:17:57,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 378. [2024-11-08 19:17:57,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 378 states, 366 states have (on average 1.1721311475409837) internal successors, (429), 367 states have internal predecessors, (429), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-08 19:17:57,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 378 states and 447 transitions. [2024-11-08 19:17:57,903 INFO L78 Accepts]: Start accepts. Automaton has 378 states and 447 transitions. Word has length 149 [2024-11-08 19:17:57,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:17:57,903 INFO L471 AbstractCegarLoop]: Abstraction has 378 states and 447 transitions. [2024-11-08 19:17:57,903 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 26.4) internal successors, (132), 5 states have internal predecessors, (132), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-08 19:17:57,904 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 447 transitions. [2024-11-08 19:17:57,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-08 19:17:57,905 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:17:57,906 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:17:57,941 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c058c76-cccb-4129-bf4c-9a94557ebb52/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-08 19:17:58,106 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c058c76-cccb-4129-bf4c-9a94557ebb52/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:17:58,106 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-08 19:17:58,107 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:17:58,107 INFO L85 PathProgramCache]: Analyzing trace with hash 1417674918, now seen corresponding path program 1 times [2024-11-08 19:17:58,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:17:58,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1895911685] [2024-11-08 19:17:58,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:17:58,108 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:17:58,108 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c058c76-cccb-4129-bf4c-9a94557ebb52/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:17:58,110 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c058c76-cccb-4129-bf4c-9a94557ebb52/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 19:17:58,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c058c76-cccb-4129-bf4c-9a94557ebb52/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-08 19:17:58,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:17:58,973 INFO L255 TraceCheckSpWp]: Trace formula consists of 773 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 19:17:58,976 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:17:59,031 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 19:17:59,031 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:17:59,032 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:17:59,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1895911685] [2024-11-08 19:17:59,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1895911685] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:17:59,032 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:17:59,032 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 19:17:59,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [561018935] [2024-11-08 19:17:59,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:17:59,033 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 19:17:59,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:17:59,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 19:17:59,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 19:17:59,035 INFO L87 Difference]: Start difference. First operand 378 states and 447 transitions. Second operand has 4 states, 4 states have (on average 34.5) internal successors, (138), 4 states have internal predecessors, (138), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-08 19:17:59,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:17:59,131 INFO L93 Difference]: Finished difference Result 381 states and 453 transitions. [2024-11-08 19:17:59,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 19:17:59,132 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 34.5) internal successors, (138), 4 states have internal predecessors, (138), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 149 [2024-11-08 19:17:59,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:17:59,135 INFO L225 Difference]: With dead ends: 381 [2024-11-08 19:17:59,136 INFO L226 Difference]: Without dead ends: 381 [2024-11-08 19:17:59,136 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 19:17:59,137 INFO L432 NwaCegarLoop]: 299 mSDtfsCounter, 0 mSDsluCounter, 591 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 890 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 19:17:59,137 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 890 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 19:17:59,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2024-11-08 19:17:59,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 381. [2024-11-08 19:17:59,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 381 states, 368 states have (on average 1.173913043478261) internal successors, (432), 370 states have internal predecessors, (432), 9 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (12), 9 states have call predecessors, (12), 9 states have call successors, (12) [2024-11-08 19:17:59,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 453 transitions. [2024-11-08 19:17:59,149 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 453 transitions. Word has length 149 [2024-11-08 19:17:59,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:17:59,149 INFO L471 AbstractCegarLoop]: Abstraction has 381 states and 453 transitions. [2024-11-08 19:17:59,150 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 34.5) internal successors, (138), 4 states have internal predecessors, (138), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-08 19:17:59,150 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 453 transitions. [2024-11-08 19:17:59,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-08 19:17:59,152 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:17:59,152 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:17:59,181 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c058c76-cccb-4129-bf4c-9a94557ebb52/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-08 19:17:59,352 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c058c76-cccb-4129-bf4c-9a94557ebb52/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:17:59,353 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-08 19:17:59,353 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:17:59,354 INFO L85 PathProgramCache]: Analyzing trace with hash -38990238, now seen corresponding path program 1 times [2024-11-08 19:17:59,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:17:59,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1542963770] [2024-11-08 19:17:59,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:17:59,355 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:17:59,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c058c76-cccb-4129-bf4c-9a94557ebb52/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:17:59,357 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c058c76-cccb-4129-bf4c-9a94557ebb52/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 19:17:59,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c058c76-cccb-4129-bf4c-9a94557ebb52/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-08 19:18:00,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:18:00,260 INFO L255 TraceCheckSpWp]: Trace formula consists of 817 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 19:18:00,265 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:18:00,344 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 35 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-08 19:18:00,344 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 19:18:00,569 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 7 proven. 13 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-08 19:18:00,569 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:18:00,569 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1542963770] [2024-11-08 19:18:00,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1542963770] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 19:18:00,570 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-08 19:18:00,570 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-11-08 19:18:00,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44126984] [2024-11-08 19:18:00,570 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-08 19:18:00,571 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-08 19:18:00,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:18:00,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-08 19:18:00,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-08 19:18:00,572 INFO L87 Difference]: Start difference. First operand 381 states and 453 transitions. Second operand has 8 states, 8 states have (on average 18.125) internal successors, (145), 8 states have internal predecessors, (145), 2 states have call successors, (6), 2 states have call predecessors, (6), 4 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-08 19:18:00,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:18:00,901 INFO L93 Difference]: Finished difference Result 392 states and 474 transitions. [2024-11-08 19:18:00,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-08 19:18:00,902 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 18.125) internal successors, (145), 8 states have internal predecessors, (145), 2 states have call successors, (6), 2 states have call predecessors, (6), 4 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 153 [2024-11-08 19:18:00,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:18:00,904 INFO L225 Difference]: With dead ends: 392 [2024-11-08 19:18:00,904 INFO L226 Difference]: Without dead ends: 392 [2024-11-08 19:18:00,904 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 307 GetRequests, 298 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=44, Invalid=66, Unknown=0, NotChecked=0, Total=110 [2024-11-08 19:18:00,905 INFO L432 NwaCegarLoop]: 297 mSDtfsCounter, 4 mSDsluCounter, 878 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 1175 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 19:18:00,905 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 1175 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 19:18:00,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 392 states. [2024-11-08 19:18:00,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 392 to 390. [2024-11-08 19:18:00,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 390 states, 376 states have (on average 1.1861702127659575) internal successors, (446), 378 states have internal predecessors, (446), 9 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (15), 9 states have call predecessors, (15), 9 states have call successors, (15) [2024-11-08 19:18:00,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 390 states and 470 transitions. [2024-11-08 19:18:00,935 INFO L78 Accepts]: Start accepts. Automaton has 390 states and 470 transitions. Word has length 153 [2024-11-08 19:18:00,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:18:00,936 INFO L471 AbstractCegarLoop]: Abstraction has 390 states and 470 transitions. [2024-11-08 19:18:00,936 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 18.125) internal successors, (145), 8 states have internal predecessors, (145), 2 states have call successors, (6), 2 states have call predecessors, (6), 4 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-08 19:18:00,936 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 470 transitions. [2024-11-08 19:18:00,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-11-08 19:18:00,938 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:18:00,939 INFO L215 NwaCegarLoop]: trace histogram [12, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:18:00,972 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c058c76-cccb-4129-bf4c-9a94557ebb52/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-08 19:18:01,139 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c058c76-cccb-4129-bf4c-9a94557ebb52/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:18:01,140 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-08 19:18:01,140 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:18:01,140 INFO L85 PathProgramCache]: Analyzing trace with hash 1880284902, now seen corresponding path program 2 times [2024-11-08 19:18:01,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:18:01,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [276601838] [2024-11-08 19:18:01,141 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-08 19:18:01,141 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:18:01,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c058c76-cccb-4129-bf4c-9a94557ebb52/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:18:01,142 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c058c76-cccb-4129-bf4c-9a94557ebb52/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 19:18:01,143 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c058c76-cccb-4129-bf4c-9a94557ebb52/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-08 19:18:02,045 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-08 19:18:02,045 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-08 19:18:02,066 INFO L255 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-08 19:18:02,071 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:18:02,203 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 49 proven. 3 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2024-11-08 19:18:02,203 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 19:18:02,516 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 1 proven. 48 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2024-11-08 19:18:02,516 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:18:02,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [276601838] [2024-11-08 19:18:02,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [276601838] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 19:18:02,517 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-08 19:18:02,517 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2024-11-08 19:18:02,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964679445] [2024-11-08 19:18:02,517 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-08 19:18:02,518 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-08 19:18:02,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:18:02,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-08 19:18:02,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-11-08 19:18:02,519 INFO L87 Difference]: Start difference. First operand 390 states and 470 transitions. Second operand has 10 states, 10 states have (on average 14.7) internal successors, (147), 10 states have internal predecessors, (147), 2 states have call successors, (7), 2 states have call predecessors, (7), 4 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-08 19:18:03,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:18:03,147 INFO L93 Difference]: Finished difference Result 398 states and 480 transitions. [2024-11-08 19:18:03,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-08 19:18:03,148 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 14.7) internal successors, (147), 10 states have internal predecessors, (147), 2 states have call successors, (7), 2 states have call predecessors, (7), 4 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) Word has length 161 [2024-11-08 19:18:03,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:18:03,150 INFO L225 Difference]: With dead ends: 398 [2024-11-08 19:18:03,151 INFO L226 Difference]: Without dead ends: 396 [2024-11-08 19:18:03,151 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 325 GetRequests, 312 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=80, Invalid=130, Unknown=0, NotChecked=0, Total=210 [2024-11-08 19:18:03,152 INFO L432 NwaCegarLoop]: 299 mSDtfsCounter, 6 mSDsluCounter, 888 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 1187 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-08 19:18:03,152 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 1187 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-08 19:18:03,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2024-11-08 19:18:03,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 394. [2024-11-08 19:18:03,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 394 states, 380 states have (on average 1.1894736842105262) internal successors, (452), 382 states have internal predecessors, (452), 9 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (12), 9 states have call predecessors, (12), 9 states have call successors, (12) [2024-11-08 19:18:03,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 473 transitions. [2024-11-08 19:18:03,164 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 473 transitions. Word has length 161 [2024-11-08 19:18:03,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:18:03,165 INFO L471 AbstractCegarLoop]: Abstraction has 394 states and 473 transitions. [2024-11-08 19:18:03,165 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 14.7) internal successors, (147), 10 states have internal predecessors, (147), 2 states have call successors, (7), 2 states have call predecessors, (7), 4 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-08 19:18:03,165 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 473 transitions. [2024-11-08 19:18:03,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-11-08 19:18:03,167 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:18:03,167 INFO L215 NwaCegarLoop]: trace histogram [20, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:18:03,203 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c058c76-cccb-4129-bf4c-9a94557ebb52/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-11-08 19:18:03,368 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c058c76-cccb-4129-bf4c-9a94557ebb52/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:18:03,369 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-08 19:18:03,369 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:18:03,369 INFO L85 PathProgramCache]: Analyzing trace with hash 1249832550, now seen corresponding path program 3 times [2024-11-08 19:18:03,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:18:03,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [703622661] [2024-11-08 19:18:03,371 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-08 19:18:03,371 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:18:03,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c058c76-cccb-4129-bf4c-9a94557ebb52/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:18:03,373 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c058c76-cccb-4129-bf4c-9a94557ebb52/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 19:18:03,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c058c76-cccb-4129-bf4c-9a94557ebb52/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process