./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_nondet_test2-2.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_9b48cfa8-872c-436a-8190-a060442ad075/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b48cfa8-872c-436a-8190-a060442ad075/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_9b48cfa8-872c-436a-8190-a060442ad075/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b48cfa8-872c-436a-8190-a060442ad075/bin/uautomizer-verify-jihMAELWvX/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_nondet_test2-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b48cfa8-872c-436a-8190-a060442ad075/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_9b48cfa8-872c-436a-8190-a060442ad075/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 0fdcb64865aeb8184805095bc8dbe7392078d445cf902388dac9d1ca4533bb8c --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 16:25:38,588 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 16:25:38,673 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b48cfa8-872c-436a-8190-a060442ad075/bin/uautomizer-verify-jihMAELWvX/config/svcomp-MemCleanup-32bit-Automizer_Default.epf [2024-11-08 16:25:38,679 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 16:25:38,679 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 16:25:38,703 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 16:25:38,704 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 16:25:38,704 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 16:25:38,705 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 16:25:38,705 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 16:25:38,706 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 16:25:38,706 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 16:25:38,707 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 16:25:38,707 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 16:25:38,707 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 16:25:38,708 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 16:25:38,708 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 16:25:38,709 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 16:25:38,709 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 16:25:38,709 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 16:25:38,710 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 16:25:38,711 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 16:25:38,711 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-08 16:25:38,711 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-08 16:25:38,712 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 16:25:38,712 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 16:25:38,712 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 16:25:38,713 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 16:25:38,713 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 16:25:38,713 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 16:25:38,714 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 16:25:38,714 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 16:25:38,718 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 16:25:38,718 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 16:25:38,719 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 16:25:38,719 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 16:25:38,719 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:25:38,720 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 16:25:38,720 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 16:25:38,720 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 16:25:38,721 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 16:25:38,721 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 16:25:38,721 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 16:25:38,722 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 16:25:38,722 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 16:25:38,722 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_9b48cfa8-872c-436a-8190-a060442ad075/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b48cfa8-872c-436a-8190-a060442ad075/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0fdcb64865aeb8184805095bc8dbe7392078d445cf902388dac9d1ca4533bb8c [2024-11-08 16:25:39,005 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 16:25:39,032 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 16:25:39,036 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 16:25:39,038 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 16:25:39,039 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 16:25:39,040 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b48cfa8-872c-436a-8190-a060442ad075/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_nondet_test2-2.i Unable to find full path for "g++" [2024-11-08 16:25:41,133 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 16:25:41,425 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 16:25:41,425 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b48cfa8-872c-436a-8190-a060442ad075/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_nondet_test2-2.i [2024-11-08 16:25:41,443 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b48cfa8-872c-436a-8190-a060442ad075/bin/uautomizer-verify-jihMAELWvX/data/66e3d32d3/f133ad94c81b4ee6a37938abb35a5571/FLAG3f2542475 [2024-11-08 16:25:41,460 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b48cfa8-872c-436a-8190-a060442ad075/bin/uautomizer-verify-jihMAELWvX/data/66e3d32d3/f133ad94c81b4ee6a37938abb35a5571 [2024-11-08 16:25:41,463 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 16:25:41,464 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 16:25:41,466 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 16:25:41,466 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 16:25:41,472 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 16:25:41,473 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:25:41" (1/1) ... [2024-11-08 16:25:41,475 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@dd434e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:25:41, skipping insertion in model container [2024-11-08 16:25:41,475 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:25:41" (1/1) ... [2024-11-08 16:25:41,537 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 16:25:42,167 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 16:25:42,206 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 16:25:42,214 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 16:25:42,218 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 16:25:42,229 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 16:25:42,270 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 16:25:42,273 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 16:25:42,277 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 16:25:42,277 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 16:25:42,280 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 16:25:42,283 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 16:25:42,285 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 16:25:42,286 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 16:25:42,288 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 16:25:42,292 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 16:25:42,300 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:25:42,320 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 16:25:42,324 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@28e79d01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:25:42, skipping insertion in model container [2024-11-08 16:25:42,326 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 16:25:42,326 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-11-08 16:25:42,328 INFO L158 Benchmark]: Toolchain (without parser) took 863.23ms. Allocated memory is still 159.4MB. Free memory was 116.7MB in the beginning and 93.0MB in the end (delta: 23.7MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-08 16:25:42,329 INFO L158 Benchmark]: CDTParser took 0.96ms. Allocated memory is still 109.1MB. Free memory is still 78.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 16:25:42,329 INFO L158 Benchmark]: CACSL2BoogieTranslator took 860.45ms. Allocated memory is still 159.4MB. Free memory was 116.7MB in the beginning and 93.0MB in the end (delta: 23.7MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-08 16:25:42,332 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.96ms. Allocated memory is still 109.1MB. Free memory is still 78.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 860.45ms. Allocated memory is still 159.4MB. Free memory was 116.7MB in the beginning and 93.0MB in the end (delta: 23.7MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 831]: 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_9b48cfa8-872c-436a-8190-a060442ad075/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b48cfa8-872c-436a-8190-a060442ad075/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_9b48cfa8-872c-436a-8190-a060442ad075/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b48cfa8-872c-436a-8190-a060442ad075/bin/uautomizer-verify-jihMAELWvX/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_nondet_test2-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b48cfa8-872c-436a-8190-a060442ad075/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_9b48cfa8-872c-436a-8190-a060442ad075/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 0fdcb64865aeb8184805095bc8dbe7392078d445cf902388dac9d1ca4533bb8c --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 16:25:44,773 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 16:25:44,876 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b48cfa8-872c-436a-8190-a060442ad075/bin/uautomizer-verify-jihMAELWvX/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf [2024-11-08 16:25:44,885 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 16:25:44,886 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 16:25:44,928 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 16:25:44,929 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 16:25:44,930 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 16:25:44,931 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 16:25:44,933 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 16:25:44,934 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 16:25:44,934 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 16:25:44,935 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 16:25:44,935 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 16:25:44,936 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 16:25:44,940 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 16:25:44,940 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 16:25:44,940 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 16:25:44,941 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 16:25:44,941 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 16:25:44,941 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 16:25:44,943 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 16:25:44,944 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-08 16:25:44,944 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-08 16:25:44,944 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 16:25:44,945 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 16:25:44,945 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 16:25:44,945 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 16:25:44,946 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 16:25:44,946 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 16:25:44,947 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 16:25:44,947 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 16:25:44,948 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 16:25:44,948 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 16:25:44,948 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 16:25:44,949 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 16:25:44,949 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 16:25:44,949 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 16:25:44,949 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:25:44,950 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 16:25:44,950 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 16:25:44,952 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-08 16:25:44,952 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 16:25:44,952 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 16:25:44,953 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 16:25:44,953 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 16:25:44,953 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 16:25:44,954 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_9b48cfa8-872c-436a-8190-a060442ad075/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b48cfa8-872c-436a-8190-a060442ad075/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0fdcb64865aeb8184805095bc8dbe7392078d445cf902388dac9d1ca4533bb8c [2024-11-08 16:25:45,362 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 16:25:45,389 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 16:25:45,392 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 16:25:45,394 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 16:25:45,396 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 16:25:45,397 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b48cfa8-872c-436a-8190-a060442ad075/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_nondet_test2-2.i Unable to find full path for "g++" [2024-11-08 16:25:47,574 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 16:25:47,930 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 16:25:47,934 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b48cfa8-872c-436a-8190-a060442ad075/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_nondet_test2-2.i [2024-11-08 16:25:47,965 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b48cfa8-872c-436a-8190-a060442ad075/bin/uautomizer-verify-jihMAELWvX/data/d98c81d07/0c267a77187d4ed3be65f0b2dc812b54/FLAG2804fc31e [2024-11-08 16:25:47,988 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b48cfa8-872c-436a-8190-a060442ad075/bin/uautomizer-verify-jihMAELWvX/data/d98c81d07/0c267a77187d4ed3be65f0b2dc812b54 [2024-11-08 16:25:47,991 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 16:25:47,992 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 16:25:47,995 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 16:25:47,995 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 16:25:48,003 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 16:25:48,003 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:25:47" (1/1) ... [2024-11-08 16:25:48,004 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@611ec643 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:25:48, skipping insertion in model container [2024-11-08 16:25:48,005 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:25:47" (1/1) ... [2024-11-08 16:25:48,082 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 16:25:48,700 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 16:25:48,754 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 16:25:48,767 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 16:25:48,775 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 16:25:48,791 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 16:25:48,850 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 16:25:48,854 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 16:25:48,857 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 16:25:48,860 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 16:25:48,863 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 16:25:48,867 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 16:25:48,872 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 16:25:48,874 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 16:25:48,876 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 16:25:48,884 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 16:25:48,893 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:25:48,906 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-08 16:25:48,921 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 16:25:48,959 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 16:25:48,975 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 16:25:48,977 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 16:25:48,980 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 16:25:48,985 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 16:25:49,006 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 16:25:49,007 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 16:25:49,009 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 16:25:49,010 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 16:25:49,011 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 16:25:49,013 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 16:25:49,014 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 16:25:49,015 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 16:25:49,025 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 16:25:49,030 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 16:25:49,032 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:25:49,036 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 16:25:49,123 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:25:49,186 INFO L204 MainTranslator]: Completed translation [2024-11-08 16:25:49,186 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:25:49 WrapperNode [2024-11-08 16:25:49,187 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 16:25:49,188 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 16:25:49,188 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 16:25:49,189 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 16:25:49,197 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:25:49" (1/1) ... [2024-11-08 16:25:49,231 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:25:49" (1/1) ... [2024-11-08 16:25:49,299 INFO L138 Inliner]: procedures = 210, calls = 273, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1005 [2024-11-08 16:25:49,299 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 16:25:49,300 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 16:25:49,300 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 16:25:49,300 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 16:25:49,314 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:25:49" (1/1) ... [2024-11-08 16:25:49,314 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:25:49" (1/1) ... [2024-11-08 16:25:49,333 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:25:49" (1/1) ... [2024-11-08 16:25:49,440 INFO L175 MemorySlicer]: Split 254 memory accesses to 3 slices as follows [2, 218, 34]. 86 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 54 writes are split as follows [0, 50, 4]. [2024-11-08 16:25:49,440 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:25:49" (1/1) ... [2024-11-08 16:25:49,441 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:25:49" (1/1) ... [2024-11-08 16:25:49,503 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:25:49" (1/1) ... [2024-11-08 16:25:49,522 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:25:49" (1/1) ... [2024-11-08 16:25:49,526 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:25:49" (1/1) ... [2024-11-08 16:25:49,537 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:25:49" (1/1) ... [2024-11-08 16:25:49,545 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 16:25:49,546 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 16:25:49,546 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 16:25:49,546 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 16:25:49,547 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:25:49" (1/1) ... [2024-11-08 16:25:49,557 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:25:49,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b48cfa8-872c-436a-8190-a060442ad075/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:25:49,589 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b48cfa8-872c-436a-8190-a060442ad075/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 16:25:49,592 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b48cfa8-872c-436a-8190-a060442ad075/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 16:25:49,623 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-08 16:25:49,623 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-08 16:25:49,623 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-08 16:25:49,624 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-08 16:25:49,624 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-08 16:25:49,624 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-08 16:25:49,624 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-08 16:25:49,624 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-08 16:25:49,624 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-08 16:25:49,624 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-08 16:25:49,625 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-08 16:25:49,625 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-08 16:25:49,625 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 16:25:49,625 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-08 16:25:49,625 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-08 16:25:49,625 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-08 16:25:49,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-08 16:25:49,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-08 16:25:49,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-08 16:25:49,626 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 16:25:49,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-08 16:25:49,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-08 16:25:49,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-08 16:25:49,627 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-08 16:25:49,627 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 16:25:49,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-08 16:25:49,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-08 16:25:49,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-08 16:25:49,628 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 16:25:49,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 16:25:49,853 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 16:25:49,855 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 16:25:59,027 INFO L? ?]: Removed 138 outVars from TransFormulas that were not future-live. [2024-11-08 16:25:59,027 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 16:25:59,053 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 16:25:59,055 INFO L316 CfgBuilder]: Removed 58 assume(true) statements. [2024-11-08 16:25:59,055 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:25:59 BoogieIcfgContainer [2024-11-08 16:25:59,056 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 16:25:59,059 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 16:25:59,061 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 16:25:59,064 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 16:25:59,065 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 04:25:47" (1/3) ... [2024-11-08 16:25:59,066 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a502eed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:25:59, skipping insertion in model container [2024-11-08 16:25:59,066 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:25:49" (2/3) ... [2024-11-08 16:25:59,067 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a502eed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:25:59, skipping insertion in model container [2024-11-08 16:25:59,069 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:25:59" (3/3) ... [2024-11-08 16:25:59,070 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_OAT_nondet_test2-2.i [2024-11-08 16:25:59,091 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 16:25:59,092 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-08 16:25:59,168 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 16:25:59,177 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;@43f034da, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 16:25:59,178 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-08 16:25:59,184 INFO L276 IsEmpty]: Start isEmpty. Operand has 204 states, 197 states have (on average 1.649746192893401) internal successors, (325), 199 states have internal predecessors, (325), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-08 16:25:59,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-08 16:25:59,192 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:25:59,192 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-08 16:25:59,193 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-08 16:25:59,200 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:25:59,202 INFO L85 PathProgramCache]: Analyzing trace with hash 1665194, now seen corresponding path program 1 times [2024-11-08 16:25:59,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:25:59,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [770749390] [2024-11-08 16:25:59,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:25:59,218 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:25:59,218 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b48cfa8-872c-436a-8190-a060442ad075/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:25:59,220 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b48cfa8-872c-436a-8190-a060442ad075/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 16:25:59,222 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b48cfa8-872c-436a-8190-a060442ad075/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-08 16:25:59,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:25:59,451 INFO L255 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-08 16:25:59,458 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:25:59,597 WARN L873 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_main_~#i~0#1.base_16| (_ BitVec 32))) (and (= (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#i~0#1.base_16| (_ bv0 1)) |c_#valid|) (= (_ bv0 1) (select |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#i~0#1.base_16|)))) is different from true [2024-11-08 16:25:59,598 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 16:25:59,599 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 16:25:59,600 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:25:59,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [770749390] [2024-11-08 16:25:59,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [770749390] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:25:59,601 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:25:59,601 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 16:25:59,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543058573] [2024-11-08 16:25:59,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:25:59,633 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 16:25:59,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:25:59,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 16:25:59,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=4, Unknown=1, NotChecked=2, Total=12 [2024-11-08 16:25:59,672 INFO L87 Difference]: Start difference. First operand has 204 states, 197 states have (on average 1.649746192893401) internal successors, (325), 199 states have internal predecessors, (325), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 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 16:26:04,005 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 16:26:04,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:26:04,882 INFO L93 Difference]: Finished difference Result 304 states and 401 transitions. [2024-11-08 16:26:04,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 16:26:04,891 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 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 16:26:04,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:26:04,899 INFO L225 Difference]: With dead ends: 304 [2024-11-08 16:26:04,900 INFO L226 Difference]: Without dead ends: 301 [2024-11-08 16:26:04,901 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=4, Unknown=1, NotChecked=2, Total=12 [2024-11-08 16:26:04,906 INFO L432 NwaCegarLoop]: 258 mSDtfsCounter, 131 mSDsluCounter, 245 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 503 SdHoareTripleChecker+Invalid, 433 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 402 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2024-11-08 16:26:04,907 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 503 Invalid, 433 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 30 Invalid, 1 Unknown, 402 Unchecked, 5.1s Time] [2024-11-08 16:26:04,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2024-11-08 16:26:04,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 201. [2024-11-08 16:26:04,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 201 states, 195 states have (on average 1.317948717948718) internal successors, (257), 196 states have internal predecessors, (257), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-08 16:26:04,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 263 transitions. [2024-11-08 16:26:04,954 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 263 transitions. Word has length 4 [2024-11-08 16:26:04,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:26:04,954 INFO L471 AbstractCegarLoop]: Abstraction has 201 states and 263 transitions. [2024-11-08 16:26:04,955 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 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 16:26:04,955 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 263 transitions. [2024-11-08 16:26:04,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-08 16:26:04,956 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:26:04,956 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:26:04,974 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b48cfa8-872c-436a-8190-a060442ad075/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-08 16:26:05,160 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b48cfa8-872c-436a-8190-a060442ad075/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:26:05,161 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-08 16:26:05,161 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:26:05,161 INFO L85 PathProgramCache]: Analyzing trace with hash -2040372314, now seen corresponding path program 1 times [2024-11-08 16:26:05,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:26:05,162 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [838648024] [2024-11-08 16:26:05,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:26:05,163 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:26:05,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b48cfa8-872c-436a-8190-a060442ad075/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:26:05,165 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b48cfa8-872c-436a-8190-a060442ad075/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 16:26:05,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b48cfa8-872c-436a-8190-a060442ad075/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-08 16:26:05,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:26:05,359 INFO L255 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 16:26:05,361 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:26:05,500 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 16:26:05,500 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 16:26:05,501 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:26:05,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [838648024] [2024-11-08 16:26:05,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [838648024] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:26:05,501 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:26:05,502 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 16:26:05,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [562412423] [2024-11-08 16:26:05,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:26:05,503 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 16:26:05,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:26:05,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 16:26:05,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:26:05,505 INFO L87 Difference]: Start difference. First operand 201 states and 263 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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 16:26:06,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:26:06,407 INFO L93 Difference]: Finished difference Result 326 states and 426 transitions. [2024-11-08 16:26:06,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 16:26:06,408 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2024-11-08 16:26:06,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:26:06,411 INFO L225 Difference]: With dead ends: 326 [2024-11-08 16:26:06,411 INFO L226 Difference]: Without dead ends: 326 [2024-11-08 16:26:06,411 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 12 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 16:26:06,413 INFO L432 NwaCegarLoop]: 251 mSDtfsCounter, 154 mSDsluCounter, 236 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 487 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-08 16:26:06,413 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 487 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-08 16:26:06,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326 states. [2024-11-08 16:26:06,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326 to 292. [2024-11-08 16:26:06,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 292 states, 286 states have (on average 1.3181818181818181) internal successors, (377), 287 states have internal predecessors, (377), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-08 16:26:06,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 383 transitions. [2024-11-08 16:26:06,455 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 383 transitions. Word has length 14 [2024-11-08 16:26:06,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:26:06,456 INFO L471 AbstractCegarLoop]: Abstraction has 292 states and 383 transitions. [2024-11-08 16:26:06,456 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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 16:26:06,456 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 383 transitions. [2024-11-08 16:26:06,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-08 16:26:06,459 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:26:06,459 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:26:06,479 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b48cfa8-872c-436a-8190-a060442ad075/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-08 16:26:06,660 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b48cfa8-872c-436a-8190-a060442ad075/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:26:06,660 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-08 16:26:06,661 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:26:06,661 INFO L85 PathProgramCache]: Analyzing trace with hash -2038525272, now seen corresponding path program 1 times [2024-11-08 16:26:06,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:26:06,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [384557884] [2024-11-08 16:26:06,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:26:06,662 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:26:06,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b48cfa8-872c-436a-8190-a060442ad075/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:26:06,665 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b48cfa8-872c-436a-8190-a060442ad075/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 16:26:06,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b48cfa8-872c-436a-8190-a060442ad075/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-08 16:26:06,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:26:06,872 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-08 16:26:06,876 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:26:07,058 WARN L873 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_main_~#i~0#1.base_17| (_ BitVec 32))) (and (= |c_#valid| (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#i~0#1.base_17| (_ bv0 1))) (= (_ bv0 1) (select |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#i~0#1.base_17|)))) is different from true [2024-11-08 16:26:07,058 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 16:26:07,059 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 16:26:07,059 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:26:07,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [384557884] [2024-11-08 16:26:07,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [384557884] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:26:07,060 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:26:07,060 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 16:26:07,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451752078] [2024-11-08 16:26:07,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:26:07,061 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 16:26:07,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:26:07,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 16:26:07,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=4, Unknown=1, NotChecked=2, Total=12 [2024-11-08 16:26:07,062 INFO L87 Difference]: Start difference. First operand 292 states and 383 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 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 16:26:11,311 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 16:26:14,342 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.95s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 16:26:14,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:26:14,343 INFO L93 Difference]: Finished difference Result 372 states and 486 transitions. [2024-11-08 16:26:14,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 16:26:14,349 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2024-11-08 16:26:14,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:26:14,351 INFO L225 Difference]: With dead ends: 372 [2024-11-08 16:26:14,351 INFO L226 Difference]: Without dead ends: 370 [2024-11-08 16:26:14,352 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=4, Unknown=1, NotChecked=2, Total=12 [2024-11-08 16:26:14,353 INFO L432 NwaCegarLoop]: 256 mSDtfsCounter, 94 mSDsluCounter, 244 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 500 SdHoareTripleChecker+Invalid, 397 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 369 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2024-11-08 16:26:14,354 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 500 Invalid, 397 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 1 Unknown, 369 Unchecked, 7.3s Time] [2024-11-08 16:26:14,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states. [2024-11-08 16:26:14,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 343. [2024-11-08 16:26:14,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 343 states, 337 states have (on average 1.314540059347181) internal successors, (443), 338 states have internal predecessors, (443), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-08 16:26:14,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 343 states and 449 transitions. [2024-11-08 16:26:14,379 INFO L78 Accepts]: Start accepts. Automaton has 343 states and 449 transitions. Word has length 14 [2024-11-08 16:26:14,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:26:14,380 INFO L471 AbstractCegarLoop]: Abstraction has 343 states and 449 transitions. [2024-11-08 16:26:14,380 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 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 16:26:14,380 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 449 transitions. [2024-11-08 16:26:14,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-08 16:26:14,381 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:26:14,382 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] [2024-11-08 16:26:14,405 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b48cfa8-872c-436a-8190-a060442ad075/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-08 16:26:14,582 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b48cfa8-872c-436a-8190-a060442ad075/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:26:14,583 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-08 16:26:14,583 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:26:14,583 INFO L85 PathProgramCache]: Analyzing trace with hash -767927061, now seen corresponding path program 1 times [2024-11-08 16:26:14,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:26:14,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [386789354] [2024-11-08 16:26:14,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:26:14,584 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:26:14,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b48cfa8-872c-436a-8190-a060442ad075/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:26:14,587 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b48cfa8-872c-436a-8190-a060442ad075/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 16:26:14,590 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b48cfa8-872c-436a-8190-a060442ad075/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-08 16:26:14,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:26:14,791 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-08 16:26:14,794 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:26:14,960 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 16:26:14,961 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 16:26:14,961 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:26:14,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [386789354] [2024-11-08 16:26:14,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [386789354] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:26:14,962 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:26:14,962 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 16:26:14,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [381555244] [2024-11-08 16:26:14,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:26:14,963 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 16:26:14,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:26:14,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 16:26:14,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 16:26:14,965 INFO L87 Difference]: Start difference. First operand 343 states and 449 transitions. Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 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 16:26:19,366 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 16:26:21,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:26:21,733 INFO L93 Difference]: Finished difference Result 378 states and 492 transitions. [2024-11-08 16:26:21,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 16:26:21,737 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 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 24 [2024-11-08 16:26:21,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:26:21,739 INFO L225 Difference]: With dead ends: 378 [2024-11-08 16:26:21,739 INFO L226 Difference]: Without dead ends: 374 [2024-11-08 16:26:21,739 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 21 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 16:26:21,740 INFO L432 NwaCegarLoop]: 285 mSDtfsCounter, 156 mSDsluCounter, 483 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 768 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2024-11-08 16:26:21,741 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [156 Valid, 768 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 87 Invalid, 1 Unknown, 0 Unchecked, 6.7s Time] [2024-11-08 16:26:21,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 374 states. [2024-11-08 16:26:21,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 374 to 340. [2024-11-08 16:26:21,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 340 states, 334 states have (on average 1.31437125748503) internal successors, (439), 335 states have internal predecessors, (439), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-08 16:26:21,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 445 transitions. [2024-11-08 16:26:21,755 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 445 transitions. Word has length 24 [2024-11-08 16:26:21,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:26:21,756 INFO L471 AbstractCegarLoop]: Abstraction has 340 states and 445 transitions. [2024-11-08 16:26:21,756 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 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 16:26:21,756 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 445 transitions. [2024-11-08 16:26:21,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-08 16:26:21,757 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:26:21,758 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:26:21,779 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b48cfa8-872c-436a-8190-a060442ad075/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-08 16:26:21,958 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b48cfa8-872c-436a-8190-a060442ad075/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:26:21,959 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-08 16:26:21,959 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:26:21,959 INFO L85 PathProgramCache]: Analyzing trace with hash 2146183694, now seen corresponding path program 1 times [2024-11-08 16:26:21,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:26:21,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1195491787] [2024-11-08 16:26:21,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:26:21,960 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:26:21,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b48cfa8-872c-436a-8190-a060442ad075/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:26:21,962 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b48cfa8-872c-436a-8190-a060442ad075/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 16:26:21,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b48cfa8-872c-436a-8190-a060442ad075/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-08 16:26:22,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:26:22,185 INFO L255 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 16:26:22,188 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:26:22,208 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 16:26:22,208 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 16:26:22,209 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:26:22,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1195491787] [2024-11-08 16:26:22,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1195491787] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:26:22,209 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:26:22,209 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 16:26:22,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814075825] [2024-11-08 16:26:22,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:26:22,210 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 16:26:22,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:26:22,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 16:26:22,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:26:22,212 INFO L87 Difference]: Start difference. First operand 340 states and 445 transitions. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 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 16:26:22,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:26:22,366 INFO L93 Difference]: Finished difference Result 400 states and 505 transitions. [2024-11-08 16:26:22,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 16:26:22,367 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 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 49 [2024-11-08 16:26:22,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:26:22,369 INFO L225 Difference]: With dead ends: 400 [2024-11-08 16:26:22,369 INFO L226 Difference]: Without dead ends: 400 [2024-11-08 16:26:22,369 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 47 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 16:26:22,370 INFO L432 NwaCegarLoop]: 243 mSDtfsCounter, 8 mSDsluCounter, 228 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 471 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 16:26:22,371 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 471 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 16:26:22,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 400 states. [2024-11-08 16:26:22,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 400 to 400. [2024-11-08 16:26:22,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 400 states, 394 states have (on average 1.266497461928934) internal successors, (499), 395 states have internal predecessors, (499), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-08 16:26:22,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 400 states and 505 transitions. [2024-11-08 16:26:22,385 INFO L78 Accepts]: Start accepts. Automaton has 400 states and 505 transitions. Word has length 49 [2024-11-08 16:26:22,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:26:22,386 INFO L471 AbstractCegarLoop]: Abstraction has 400 states and 505 transitions. [2024-11-08 16:26:22,386 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 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 16:26:22,386 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 505 transitions. [2024-11-08 16:26:22,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-08 16:26:22,388 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:26:22,388 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:26:22,410 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b48cfa8-872c-436a-8190-a060442ad075/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-08 16:26:22,588 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b48cfa8-872c-436a-8190-a060442ad075/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:26:22,589 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-08 16:26:22,589 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:26:22,589 INFO L85 PathProgramCache]: Analyzing trace with hash 2123551440, now seen corresponding path program 1 times [2024-11-08 16:26:22,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:26:22,590 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1433049622] [2024-11-08 16:26:22,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:26:22,590 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:26:22,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b48cfa8-872c-436a-8190-a060442ad075/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:26:22,593 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b48cfa8-872c-436a-8190-a060442ad075/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 16:26:22,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b48cfa8-872c-436a-8190-a060442ad075/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-08 16:26:22,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:26:22,843 INFO L255 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 16:26:22,857 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:26:22,896 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 16:26:22,896 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 16:26:22,896 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:26:22,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1433049622] [2024-11-08 16:26:22,897 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1433049622] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:26:22,897 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:26:22,897 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 16:26:22,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864347277] [2024-11-08 16:26:22,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:26:22,898 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 16:26:22,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:26:22,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 16:26:22,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 16:26:22,899 INFO L87 Difference]: Start difference. First operand 400 states and 505 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 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 16:26:23,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:26:23,065 INFO L93 Difference]: Finished difference Result 346 states and 415 transitions. [2024-11-08 16:26:23,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 16:26:23,066 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 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 49 [2024-11-08 16:26:23,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:26:23,067 INFO L225 Difference]: With dead ends: 346 [2024-11-08 16:26:23,067 INFO L226 Difference]: Without dead ends: 346 [2024-11-08 16:26:23,068 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 46 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 16:26:23,068 INFO L432 NwaCegarLoop]: 228 mSDtfsCounter, 32 mSDsluCounter, 442 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 670 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 16:26:23,071 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 670 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 16:26:23,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2024-11-08 16:26:23,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 346. [2024-11-08 16:26:23,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 346 states, 340 states have (on average 1.2029411764705882) internal successors, (409), 341 states have internal predecessors, (409), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-08 16:26:23,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 346 states and 415 transitions. [2024-11-08 16:26:23,083 INFO L78 Accepts]: Start accepts. Automaton has 346 states and 415 transitions. Word has length 49 [2024-11-08 16:26:23,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:26:23,084 INFO L471 AbstractCegarLoop]: Abstraction has 346 states and 415 transitions. [2024-11-08 16:26:23,084 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 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 16:26:23,084 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 415 transitions. [2024-11-08 16:26:23,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-08 16:26:23,091 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:26:23,091 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:26:23,114 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b48cfa8-872c-436a-8190-a060442ad075/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-08 16:26:23,291 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b48cfa8-872c-436a-8190-a060442ad075/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:26:23,292 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-08 16:26:23,292 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:26:23,293 INFO L85 PathProgramCache]: Analyzing trace with hash -798853758, now seen corresponding path program 1 times [2024-11-08 16:26:23,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:26:23,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [207930428] [2024-11-08 16:26:23,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:26:23,294 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:26:23,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b48cfa8-872c-436a-8190-a060442ad075/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:26:23,299 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b48cfa8-872c-436a-8190-a060442ad075/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 16:26:23,300 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b48cfa8-872c-436a-8190-a060442ad075/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-08 16:26:23,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:26:23,536 INFO L255 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 16:26:23,540 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:26:23,568 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 16:26:23,569 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 16:26:23,570 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 16:26:23,582 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 39 [2024-11-08 16:26:23,712 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 16:26:23,713 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 70 treesize of output 26 [2024-11-08 16:26:23,820 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 16:26:23,820 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 16:26:23,821 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:26:23,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [207930428] [2024-11-08 16:26:23,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [207930428] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:26:23,825 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:26:23,826 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 16:26:23,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348526530] [2024-11-08 16:26:23,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:26:23,826 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 16:26:23,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:26:23,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 16:26:23,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 16:26:23,828 INFO L87 Difference]: Start difference. First operand 346 states and 415 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 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 16:26:24,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:26:24,612 INFO L93 Difference]: Finished difference Result 348 states and 428 transitions. [2024-11-08 16:26:24,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 16:26:24,614 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 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 49 [2024-11-08 16:26:24,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:26:24,616 INFO L225 Difference]: With dead ends: 348 [2024-11-08 16:26:24,616 INFO L226 Difference]: Without dead ends: 345 [2024-11-08 16:26:24,617 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-08 16:26:24,618 INFO L432 NwaCegarLoop]: 243 mSDtfsCounter, 112 mSDsluCounter, 703 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 946 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-08 16:26:24,618 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 946 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-08 16:26:24,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2024-11-08 16:26:24,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 297. [2024-11-08 16:26:24,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 297 states, 291 states have (on average 1.2268041237113403) internal successors, (357), 292 states have internal predecessors, (357), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-08 16:26:24,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 363 transitions. [2024-11-08 16:26:24,631 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 363 transitions. Word has length 49 [2024-11-08 16:26:24,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:26:24,631 INFO L471 AbstractCegarLoop]: Abstraction has 297 states and 363 transitions. [2024-11-08 16:26:24,632 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 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 16:26:24,632 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 363 transitions. [2024-11-08 16:26:24,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-08 16:26:24,634 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:26:24,635 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:26:24,663 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b48cfa8-872c-436a-8190-a060442ad075/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-08 16:26:24,835 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b48cfa8-872c-436a-8190-a060442ad075/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:26:24,836 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-08 16:26:24,836 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:26:24,836 INFO L85 PathProgramCache]: Analyzing trace with hash -768185630, now seen corresponding path program 1 times [2024-11-08 16:26:24,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:26:24,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [712347767] [2024-11-08 16:26:24,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:26:24,837 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:26:24,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b48cfa8-872c-436a-8190-a060442ad075/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:26:24,839 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b48cfa8-872c-436a-8190-a060442ad075/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 16:26:24,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b48cfa8-872c-436a-8190-a060442ad075/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-08 16:26:25,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:26:25,429 INFO L255 TraceCheckSpWp]: Trace formula consists of 500 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 16:26:25,434 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:26:25,471 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 16:26:25,472 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 16:26:25,472 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:26:25,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [712347767] [2024-11-08 16:26:25,472 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [712347767] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:26:25,472 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:26:25,473 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 16:26:25,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296892974] [2024-11-08 16:26:25,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:26:25,473 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 16:26:25,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:26:25,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 16:26:25,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:26:25,479 INFO L87 Difference]: Start difference. First operand 297 states and 363 transitions. Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-08 16:26:25,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:26:25,641 INFO L93 Difference]: Finished difference Result 337 states and 403 transitions. [2024-11-08 16:26:25,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 16:26:25,642 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 85 [2024-11-08 16:26:25,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:26:25,643 INFO L225 Difference]: With dead ends: 337 [2024-11-08 16:26:25,644 INFO L226 Difference]: Without dead ends: 337 [2024-11-08 16:26:25,644 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 83 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 16:26:25,645 INFO L432 NwaCegarLoop]: 230 mSDtfsCounter, 8 mSDsluCounter, 215 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 445 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 16:26:25,645 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 445 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 16:26:25,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2024-11-08 16:26:25,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 337. [2024-11-08 16:26:25,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 337 states, 331 states have (on average 1.1993957703927491) internal successors, (397), 332 states have internal predecessors, (397), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-08 16:26:25,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 337 states and 403 transitions. [2024-11-08 16:26:25,655 INFO L78 Accepts]: Start accepts. Automaton has 337 states and 403 transitions. Word has length 85 [2024-11-08 16:26:25,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:26:25,656 INFO L471 AbstractCegarLoop]: Abstraction has 337 states and 403 transitions. [2024-11-08 16:26:25,656 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-08 16:26:25,656 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 403 transitions. [2024-11-08 16:26:25,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-08 16:26:25,658 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:26:25,658 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:26:25,689 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b48cfa8-872c-436a-8190-a060442ad075/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-08 16:26:25,858 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b48cfa8-872c-436a-8190-a060442ad075/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:26:25,859 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-08 16:26:25,859 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:26:25,859 INFO L85 PathProgramCache]: Analyzing trace with hash -2029102880, now seen corresponding path program 1 times [2024-11-08 16:26:25,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:26:25,860 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1482474931] [2024-11-08 16:26:25,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:26:25,860 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:26:25,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b48cfa8-872c-436a-8190-a060442ad075/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:26:25,862 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b48cfa8-872c-436a-8190-a060442ad075/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 16:26:25,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b48cfa8-872c-436a-8190-a060442ad075/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-08 16:26:26,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:26:26,409 INFO L255 TraceCheckSpWp]: Trace formula consists of 502 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 16:26:26,413 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:26:26,781 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 16:26:26,781 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 16:26:26,782 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:26:26,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1482474931] [2024-11-08 16:26:26,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1482474931] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:26:26,782 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:26:26,782 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 16:26:26,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [127503541] [2024-11-08 16:26:26,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:26:26,783 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 16:26:26,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:26:26,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 16:26:26,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 16:26:26,785 INFO L87 Difference]: Start difference. First operand 337 states and 403 transitions. Second operand has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-08 16:26:31,318 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 16:26:35,326 WARN L539 Checker$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 16:26:38,813 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 16:26:39,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:26:39,811 INFO L93 Difference]: Finished difference Result 357 states and 439 transitions. [2024-11-08 16:26:39,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 16:26:39,814 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 85 [2024-11-08 16:26:39,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:26:39,816 INFO L225 Difference]: With dead ends: 357 [2024-11-08 16:26:39,816 INFO L226 Difference]: Without dead ends: 357 [2024-11-08 16:26:39,816 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 83 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 16:26:39,817 INFO L432 NwaCegarLoop]: 258 mSDtfsCounter, 432 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 6 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 432 SdHoareTripleChecker+Valid, 423 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.0s IncrementalHoareTripleChecker+Time [2024-11-08 16:26:39,818 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [432 Valid, 423 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 93 Invalid, 2 Unknown, 0 Unchecked, 13.0s Time] [2024-11-08 16:26:39,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 357 states. [2024-11-08 16:26:39,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 357 to 287. [2024-11-08 16:26:39,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 281 states have (on average 1.2135231316725978) internal successors, (341), 282 states have internal predecessors, (341), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-08 16:26:39,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 347 transitions. [2024-11-08 16:26:39,840 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 347 transitions. Word has length 85 [2024-11-08 16:26:39,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:26:39,841 INFO L471 AbstractCegarLoop]: Abstraction has 287 states and 347 transitions. [2024-11-08 16:26:39,841 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-08 16:26:39,841 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 347 transitions. [2024-11-08 16:26:39,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-08 16:26:39,843 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:26:39,843 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:26:39,872 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b48cfa8-872c-436a-8190-a060442ad075/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-08 16:26:40,043 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b48cfa8-872c-436a-8190-a060442ad075/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:26:40,044 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-08 16:26:40,044 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:26:40,045 INFO L85 PathProgramCache]: Analyzing trace with hash 542227747, now seen corresponding path program 1 times [2024-11-08 16:26:40,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:26:40,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2044412176] [2024-11-08 16:26:40,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:26:40,046 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:26:40,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b48cfa8-872c-436a-8190-a060442ad075/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:26:40,048 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b48cfa8-872c-436a-8190-a060442ad075/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 16:26:40,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b48cfa8-872c-436a-8190-a060442ad075/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-08 16:26:40,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:26:40,670 INFO L255 TraceCheckSpWp]: Trace formula consists of 532 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 16:26:40,676 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:26:40,738 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 16:26:40,742 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 16:26:40,742 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:26:40,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2044412176] [2024-11-08 16:26:40,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2044412176] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:26:40,743 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:26:40,743 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 16:26:40,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700605023] [2024-11-08 16:26:40,743 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:26:40,743 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 16:26:40,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:26:40,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 16:26:40,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 16:26:40,745 INFO L87 Difference]: Start difference. First operand 287 states and 347 transitions. Second operand has 4 states, 4 states have (on average 22.0) internal successors, (88), 4 states have internal predecessors, (88), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-08 16:26:40,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:26:40,917 INFO L93 Difference]: Finished difference Result 251 states and 287 transitions. [2024-11-08 16:26:40,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 16:26:40,918 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.0) internal successors, (88), 4 states have internal predecessors, (88), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 95 [2024-11-08 16:26:40,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:26:40,920 INFO L225 Difference]: With dead ends: 251 [2024-11-08 16:26:40,920 INFO L226 Difference]: Without dead ends: 251 [2024-11-08 16:26:40,920 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 92 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 16:26:40,921 INFO L432 NwaCegarLoop]: 213 mSDtfsCounter, 32 mSDsluCounter, 412 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 625 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 16:26:40,922 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 625 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 16:26:40,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2024-11-08 16:26:40,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 251. [2024-11-08 16:26:40,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 251 states, 245 states have (on average 1.146938775510204) internal successors, (281), 246 states have internal predecessors, (281), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-08 16:26:40,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 287 transitions. [2024-11-08 16:26:40,931 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 287 transitions. Word has length 95 [2024-11-08 16:26:40,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:26:40,931 INFO L471 AbstractCegarLoop]: Abstraction has 251 states and 287 transitions. [2024-11-08 16:26:40,931 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.0) internal successors, (88), 4 states have internal predecessors, (88), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-08 16:26:40,932 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 287 transitions. [2024-11-08 16:26:40,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-08 16:26:40,933 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:26:40,934 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:26:40,967 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b48cfa8-872c-436a-8190-a060442ad075/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-08 16:26:41,134 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b48cfa8-872c-436a-8190-a060442ad075/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:26:41,135 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-08 16:26:41,136 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:26:41,136 INFO L85 PathProgramCache]: Analyzing trace with hash -67737551, now seen corresponding path program 1 times [2024-11-08 16:26:41,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:26:41,138 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1217184137] [2024-11-08 16:26:41,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:26:41,138 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:26:41,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b48cfa8-872c-436a-8190-a060442ad075/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:26:41,140 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b48cfa8-872c-436a-8190-a060442ad075/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 16:26:41,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b48cfa8-872c-436a-8190-a060442ad075/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-08 16:26:41,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:26:41,808 INFO L255 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-08 16:26:41,812 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:26:41,916 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-08 16:26:41,916 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 16:26:41,916 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:26:41,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1217184137] [2024-11-08 16:26:41,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1217184137] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:26:41,917 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:26:41,917 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 16:26:41,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1776711982] [2024-11-08 16:26:41,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:26:41,918 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 16:26:41,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:26:41,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 16:26:41,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 16:26:41,920 INFO L87 Difference]: Start difference. First operand 251 states and 287 transitions. Second operand has 4 states, 4 states have (on average 21.75) internal successors, (87), 4 states have internal predecessors, (87), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-08 16:26:46,857 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 16:26:50,864 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 16:26:54,598 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 16:26:56,652 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 16:26:57,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:26:57,703 INFO L93 Difference]: Finished difference Result 253 states and 288 transitions. [2024-11-08 16:26:57,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 16:26:57,706 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.75) internal successors, (87), 4 states have internal predecessors, (87), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 95 [2024-11-08 16:26:57,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:26:57,708 INFO L225 Difference]: With dead ends: 253 [2024-11-08 16:26:57,708 INFO L226 Difference]: Without dead ends: 253 [2024-11-08 16:26:57,708 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 92 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 16:26:57,709 INFO L432 NwaCegarLoop]: 203 mSDtfsCounter, 209 mSDsluCounter, 207 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 3 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 212 SdHoareTripleChecker+Valid, 410 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.8s IncrementalHoareTripleChecker+Time [2024-11-08 16:26:57,710 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [212 Valid, 410 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 81 Invalid, 2 Unknown, 0 Unchecked, 15.8s Time] [2024-11-08 16:26:57,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2024-11-08 16:26:57,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 251. [2024-11-08 16:26:57,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 251 states, 245 states have (on average 1.1428571428571428) internal successors, (280), 246 states have internal predecessors, (280), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-08 16:26:57,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 286 transitions. [2024-11-08 16:26:57,719 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 286 transitions. Word has length 95 [2024-11-08 16:26:57,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:26:57,720 INFO L471 AbstractCegarLoop]: Abstraction has 251 states and 286 transitions. [2024-11-08 16:26:57,720 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.75) internal successors, (87), 4 states have internal predecessors, (87), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-08 16:26:57,720 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 286 transitions. [2024-11-08 16:26:57,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-08 16:26:57,722 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:26:57,722 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:26:57,747 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b48cfa8-872c-436a-8190-a060442ad075/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-11-08 16:26:57,922 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b48cfa8-872c-436a-8190-a060442ad075/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:26:57,923 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-08 16:26:57,923 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:26:57,923 INFO L85 PathProgramCache]: Analyzing trace with hash -65890509, now seen corresponding path program 1 times [2024-11-08 16:26:57,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:26:57,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1749441500] [2024-11-08 16:26:57,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:26:57,924 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:26:57,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b48cfa8-872c-436a-8190-a060442ad075/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:26:57,925 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b48cfa8-872c-436a-8190-a060442ad075/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 16:26:57,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b48cfa8-872c-436a-8190-a060442ad075/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-08 16:26:58,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:26:58,573 INFO L255 TraceCheckSpWp]: Trace formula consists of 517 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 16:26:58,576 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:26:58,648 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 16:26:58,648 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 16:26:58,649 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:26:58,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1749441500] [2024-11-08 16:26:58,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1749441500] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:26:58,649 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:26:58,649 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 16:26:58,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176798526] [2024-11-08 16:26:58,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:26:58,650 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 16:26:58,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:26:58,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 16:26:58,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 16:26:58,651 INFO L87 Difference]: Start difference. First operand 251 states and 286 transitions. Second operand has 4 states, 4 states have (on average 22.75) internal successors, (91), 4 states have internal predecessors, (91), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-08 16:26:58,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:26:58,718 INFO L93 Difference]: Finished difference Result 254 states and 290 transitions. [2024-11-08 16:26:58,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 16:26:58,719 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.75) internal successors, (91), 4 states have internal predecessors, (91), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 95 [2024-11-08 16:26:58,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:26:58,724 INFO L225 Difference]: With dead ends: 254 [2024-11-08 16:26:58,724 INFO L226 Difference]: Without dead ends: 254 [2024-11-08 16:26:58,725 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 92 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 16:26:58,726 INFO L432 NwaCegarLoop]: 231 mSDtfsCounter, 0 mSDsluCounter, 458 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 689 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 16:26:58,726 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 689 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 16:26:58,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2024-11-08 16:26:58,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 254. [2024-11-08 16:26:58,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 254 states, 247 states have (on average 1.145748987854251) internal successors, (283), 249 states have internal predecessors, (283), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-08 16:26:58,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 290 transitions. [2024-11-08 16:26:58,737 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 290 transitions. Word has length 95 [2024-11-08 16:26:58,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:26:58,738 INFO L471 AbstractCegarLoop]: Abstraction has 254 states and 290 transitions. [2024-11-08 16:26:58,738 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.75) internal successors, (91), 4 states have internal predecessors, (91), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-08 16:26:58,739 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 290 transitions. [2024-11-08 16:26:58,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-08 16:26:58,741 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:26:58,741 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:26:58,773 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b48cfa8-872c-436a-8190-a060442ad075/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-11-08 16:26:58,941 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b48cfa8-872c-436a-8190-a060442ad075/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:26:58,942 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-08 16:26:58,942 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:26:58,942 INFO L85 PathProgramCache]: Analyzing trace with hash -754061231, now seen corresponding path program 1 times [2024-11-08 16:26:58,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:26:58,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1145740569] [2024-11-08 16:26:58,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:26:58,943 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:26:58,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b48cfa8-872c-436a-8190-a060442ad075/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:26:58,945 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b48cfa8-872c-436a-8190-a060442ad075/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 16:26:58,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b48cfa8-872c-436a-8190-a060442ad075/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-08 16:26:59,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:26:59,649 INFO L255 TraceCheckSpWp]: Trace formula consists of 539 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 16:26:59,653 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:26:59,732 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-08 16:26:59,733 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 16:26:59,940 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-08 16:26:59,941 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:26:59,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1145740569] [2024-11-08 16:26:59,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1145740569] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 16:26:59,941 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-08 16:26:59,942 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-11-08 16:26:59,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [148306194] [2024-11-08 16:26:59,942 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-08 16:26:59,943 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-08 16:26:59,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:26:59,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-08 16:26:59,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-08 16:26:59,945 INFO L87 Difference]: Start difference. First operand 254 states and 290 transitions. Second operand has 8 states, 8 states have (on average 12.125) internal successors, (97), 8 states have internal predecessors, (97), 1 states have call successors, (2), 1 states have call predecessors, (2), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-08 16:27:00,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:27:00,239 INFO L93 Difference]: Finished difference Result 265 states and 307 transitions. [2024-11-08 16:27:00,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-08 16:27:00,243 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.125) internal successors, (97), 8 states have internal predecessors, (97), 1 states have call successors, (2), 1 states have call predecessors, (2), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 97 [2024-11-08 16:27:00,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:27:00,244 INFO L225 Difference]: With dead ends: 265 [2024-11-08 16:27:00,245 INFO L226 Difference]: Without dead ends: 265 [2024-11-08 16:27:00,245 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=44, Invalid=66, Unknown=0, NotChecked=0, Total=110 [2024-11-08 16:27:00,246 INFO L432 NwaCegarLoop]: 230 mSDtfsCounter, 5 mSDsluCounter, 459 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 689 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 16:27:00,246 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 689 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 16:27:00,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2024-11-08 16:27:00,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 263. [2024-11-08 16:27:00,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 263 states, 255 states have (on average 1.1647058823529413) internal successors, (297), 257 states have internal predecessors, (297), 3 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2024-11-08 16:27:00,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 263 states and 305 transitions. [2024-11-08 16:27:00,257 INFO L78 Accepts]: Start accepts. Automaton has 263 states and 305 transitions. Word has length 97 [2024-11-08 16:27:00,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:27:00,257 INFO L471 AbstractCegarLoop]: Abstraction has 263 states and 305 transitions. [2024-11-08 16:27:00,258 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.125) internal successors, (97), 8 states have internal predecessors, (97), 1 states have call successors, (2), 1 states have call predecessors, (2), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-08 16:27:00,258 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 305 transitions. [2024-11-08 16:27:00,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-08 16:27:00,259 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:27:00,260 INFO L215 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:27:00,296 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b48cfa8-872c-436a-8190-a060442ad075/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-08 16:27:00,460 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b48cfa8-872c-436a-8190-a060442ad075/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:27:00,460 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-08 16:27:00,461 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:27:00,461 INFO L85 PathProgramCache]: Analyzing trace with hash 631882163, now seen corresponding path program 2 times [2024-11-08 16:27:00,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:27:00,462 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1423438290] [2024-11-08 16:27:00,462 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-08 16:27:00,462 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:27:00,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b48cfa8-872c-436a-8190-a060442ad075/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:27:00,463 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b48cfa8-872c-436a-8190-a060442ad075/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 16:27:00,464 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b48cfa8-872c-436a-8190-a060442ad075/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-08 16:27:01,153 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-08 16:27:01,153 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-08 16:27:01,166 INFO L255 TraceCheckSpWp]: Trace formula consists of 583 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 16:27:01,170 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:27:01,944 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 16:27:01,945 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 16:27:01,945 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 16:27:01,949 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 39 [2024-11-08 16:27:02,062 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 16:27:02,063 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 70 treesize of output 26 [2024-11-08 16:27:02,108 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 16:27:02,108 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 16:27:02,108 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:27:02,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1423438290] [2024-11-08 16:27:02,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1423438290] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:27:02,109 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:27:02,109 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 16:27:02,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322554418] [2024-11-08 16:27:02,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:27:02,110 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 16:27:02,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:27:02,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 16:27:02,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-11-08 16:27:02,111 INFO L87 Difference]: Start difference. First operand 263 states and 305 transitions. Second operand has 6 states, 6 states have (on average 14.833333333333334) internal successors, (89), 6 states have internal predecessors, (89), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-08 16:27:02,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:27:02,616 INFO L93 Difference]: Finished difference Result 332 states and 382 transitions. [2024-11-08 16:27:02,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 16:27:02,617 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.833333333333334) internal successors, (89), 6 states have internal predecessors, (89), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 101 [2024-11-08 16:27:02,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:27:02,619 INFO L225 Difference]: With dead ends: 332 [2024-11-08 16:27:02,619 INFO L226 Difference]: Without dead ends: 332 [2024-11-08 16:27:02,619 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2024-11-08 16:27:02,620 INFO L432 NwaCegarLoop]: 224 mSDtfsCounter, 303 mSDsluCounter, 432 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 304 SdHoareTripleChecker+Valid, 656 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-08 16:27:02,621 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [304 Valid, 656 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-08 16:27:02,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2024-11-08 16:27:02,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 265. [2024-11-08 16:27:02,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 265 states, 257 states have (on average 1.1634241245136188) internal successors, (299), 259 states have internal predecessors, (299), 3 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2024-11-08 16:27:02,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 307 transitions. [2024-11-08 16:27:02,633 INFO L78 Accepts]: Start accepts. Automaton has 265 states and 307 transitions. Word has length 101 [2024-11-08 16:27:02,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:27:02,634 INFO L471 AbstractCegarLoop]: Abstraction has 265 states and 307 transitions. [2024-11-08 16:27:02,634 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.833333333333334) internal successors, (89), 6 states have internal predecessors, (89), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-08 16:27:02,634 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 307 transitions. [2024-11-08 16:27:02,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-08 16:27:02,636 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:27:02,636 INFO L215 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:27:02,667 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b48cfa8-872c-436a-8190-a060442ad075/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-11-08 16:27:02,836 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b48cfa8-872c-436a-8190-a060442ad075/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:27:02,837 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-08 16:27:02,837 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:27:02,837 INFO L85 PathProgramCache]: Analyzing trace with hash 1237219579, now seen corresponding path program 1 times [2024-11-08 16:27:02,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:27:02,839 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [727782611] [2024-11-08 16:27:02,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:27:02,839 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:27:02,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b48cfa8-872c-436a-8190-a060442ad075/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:27:02,841 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b48cfa8-872c-436a-8190-a060442ad075/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 16:27:02,843 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b48cfa8-872c-436a-8190-a060442ad075/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-08 16:27:03,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:27:03,620 INFO L255 TraceCheckSpWp]: Trace formula consists of 615 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-08 16:27:03,623 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:27:03,756 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 20 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-08 16:27:03,757 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 16:27:04,001 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 2 proven. 20 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-08 16:27:04,001 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:27:04,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [727782611] [2024-11-08 16:27:04,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [727782611] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 16:27:04,002 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-08 16:27:04,002 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2024-11-08 16:27:04,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1109428466] [2024-11-08 16:27:04,003 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-08 16:27:04,003 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-08 16:27:04,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:27:04,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-08 16:27:04,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-11-08 16:27:04,005 INFO L87 Difference]: Start difference. First operand 265 states and 307 transitions. Second operand has 10 states, 10 states have (on average 13.6) internal successors, (136), 10 states have internal predecessors, (136), 2 states have call successors, (3), 2 states have call predecessors, (3), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-08 16:27:04,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:27:04,504 INFO L93 Difference]: Finished difference Result 273 states and 317 transitions. [2024-11-08 16:27:04,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-08 16:27:04,505 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 13.6) internal successors, (136), 10 states have internal predecessors, (136), 2 states have call successors, (3), 2 states have call predecessors, (3), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 134 [2024-11-08 16:27:04,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:27:04,507 INFO L225 Difference]: With dead ends: 273 [2024-11-08 16:27:04,507 INFO L226 Difference]: Without dead ends: 271 [2024-11-08 16:27:04,507 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 271 GetRequests, 258 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 16:27:04,508 INFO L432 NwaCegarLoop]: 232 mSDtfsCounter, 5 mSDsluCounter, 691 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 923 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-08 16:27:04,509 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 923 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-08 16:27:04,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states. [2024-11-08 16:27:04,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 269. [2024-11-08 16:27:04,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 269 states, 261 states have (on average 1.1685823754789273) internal successors, (305), 263 states have internal predecessors, (305), 3 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-08 16:27:04,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 312 transitions. [2024-11-08 16:27:04,521 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 312 transitions. Word has length 134 [2024-11-08 16:27:04,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:27:04,522 INFO L471 AbstractCegarLoop]: Abstraction has 269 states and 312 transitions. [2024-11-08 16:27:04,522 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 13.6) internal successors, (136), 10 states have internal predecessors, (136), 2 states have call successors, (3), 2 states have call predecessors, (3), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-08 16:27:04,522 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 312 transitions. [2024-11-08 16:27:04,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-08 16:27:04,532 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:27:04,532 INFO L215 NwaCegarLoop]: trace histogram [10, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:27:04,568 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b48cfa8-872c-436a-8190-a060442ad075/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-08 16:27:04,732 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b48cfa8-872c-436a-8190-a060442ad075/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:27:04,733 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-08 16:27:04,733 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:27:04,733 INFO L85 PathProgramCache]: Analyzing trace with hash 383031035, now seen corresponding path program 2 times [2024-11-08 16:27:04,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:27:04,734 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1852315484] [2024-11-08 16:27:04,735 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-08 16:27:04,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:27:04,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b48cfa8-872c-436a-8190-a060442ad075/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:27:04,736 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b48cfa8-872c-436a-8190-a060442ad075/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 16:27:04,737 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b48cfa8-872c-436a-8190-a060442ad075/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-08 16:27:05,640 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-08 16:27:05,641 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-08 16:27:05,669 INFO L255 TraceCheckSpWp]: Trace formula consists of 659 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 16:27:05,673 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:27:05,874 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 39 proven. 10 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-08 16:27:05,874 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 16:27:06,440 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 39 proven. 10 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-08 16:27:06,440 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:27:06,440 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1852315484] [2024-11-08 16:27:06,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1852315484] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 16:27:06,441 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-08 16:27:06,441 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2024-11-08 16:27:06,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302004826] [2024-11-08 16:27:06,441 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-08 16:27:06,442 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-08 16:27:06,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:27:06,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-08 16:27:06,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2024-11-08 16:27:06,443 INFO L87 Difference]: Start difference. First operand 269 states and 312 transitions. Second operand has 14 states, 14 states have (on average 9.714285714285714) internal successors, (136), 14 states have internal predecessors, (136), 1 states have call successors, (2), 1 states have call predecessors, (2), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-08 16:27:07,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:27:07,178 INFO L93 Difference]: Finished difference Result 281 states and 328 transitions. [2024-11-08 16:27:07,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-08 16:27:07,179 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 9.714285714285714) internal successors, (136), 14 states have internal predecessors, (136), 1 states have call successors, (2), 1 states have call predecessors, (2), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 138 [2024-11-08 16:27:07,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:27:07,180 INFO L225 Difference]: With dead ends: 281 [2024-11-08 16:27:07,180 INFO L226 Difference]: Without dead ends: 277 [2024-11-08 16:27:07,181 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 283 GetRequests, 262 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=182, Invalid=324, Unknown=0, NotChecked=0, Total=506 [2024-11-08 16:27:07,181 INFO L432 NwaCegarLoop]: 231 mSDtfsCounter, 8 mSDsluCounter, 1147 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 1378 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-08 16:27:07,182 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 1378 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-08 16:27:07,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2024-11-08 16:27:07,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 275. [2024-11-08 16:27:07,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 275 states, 267 states have (on average 1.1797752808988764) internal successors, (315), 269 states have internal predecessors, (315), 3 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-08 16:27:07,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 322 transitions. [2024-11-08 16:27:07,191 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 322 transitions. Word has length 138 [2024-11-08 16:27:07,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:27:07,191 INFO L471 AbstractCegarLoop]: Abstraction has 275 states and 322 transitions. [2024-11-08 16:27:07,191 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 9.714285714285714) internal successors, (136), 14 states have internal predecessors, (136), 1 states have call successors, (2), 1 states have call predecessors, (2), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-08 16:27:07,192 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 322 transitions. [2024-11-08 16:27:07,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-08 16:27:07,194 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:27:07,194 INFO L215 NwaCegarLoop]: trace histogram [16, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:27:07,231 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b48cfa8-872c-436a-8190-a060442ad075/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-11-08 16:27:07,394 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b48cfa8-872c-436a-8190-a060442ad075/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:27:07,395 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-08 16:27:07,395 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:27:07,395 INFO L85 PathProgramCache]: Analyzing trace with hash 768241851, now seen corresponding path program 3 times [2024-11-08 16:27:07,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:27:07,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1795334260] [2024-11-08 16:27:07,396 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-08 16:27:07,396 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:27:07,396 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b48cfa8-872c-436a-8190-a060442ad075/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:27:07,397 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b48cfa8-872c-436a-8190-a060442ad075/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 16:27:07,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b48cfa8-872c-436a-8190-a060442ad075/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process