./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test8-2.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_baf74dfa-da2f-4b12-ba49-f0616d199ee6/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf74dfa-da2f-4b12-ba49-f0616d199ee6/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf74dfa-da2f-4b12-ba49-f0616d199ee6/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf74dfa-da2f-4b12-ba49-f0616d199ee6/bin/utaipan-verify-YMUCfTKeje/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test8-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf74dfa-da2f-4b12-ba49-f0616d199ee6/bin/utaipan-verify-YMUCfTKeje/config/svcomp-MemCleanup-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf74dfa-da2f-4b12-ba49-f0616d199ee6/bin/utaipan-verify-YMUCfTKeje --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fe37ed55d149c65fede95413b0b499314c3ede2b9eb9a49f03115ea64cafc68c --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 07:03:08,066 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 07:03:08,191 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf74dfa-da2f-4b12-ba49-f0616d199ee6/bin/utaipan-verify-YMUCfTKeje/config/svcomp-MemCleanup-32bit-Taipan_Default.epf [2024-11-09 07:03:08,201 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 07:03:08,202 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 07:03:08,252 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 07:03:08,253 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 07:03:08,254 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 07:03:08,255 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 07:03:08,257 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 07:03:08,258 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 07:03:08,259 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 07:03:08,260 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 07:03:08,260 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 07:03:08,263 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 07:03:08,264 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 07:03:08,264 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 07:03:08,265 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 07:03:08,265 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 07:03:08,266 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 07:03:08,266 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 07:03:08,270 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 07:03:08,271 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 07:03:08,272 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 07:03:08,272 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 07:03:08,273 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 07:03:08,273 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 07:03:08,274 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 07:03:08,276 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 07:03:08,277 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 07:03:08,278 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 07:03:08,279 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-09 07:03:08,279 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-09 07:03:08,280 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 07:03:08,280 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 07:03:08,281 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 07:03:08,281 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 07:03:08,281 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 07:03:08,282 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 07:03:08,282 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 07:03:08,283 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 07:03:08,283 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 07:03:08,284 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 07:03:08,284 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 07:03:08,284 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 07:03:08,285 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 07:03:08,286 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 07:03:08,286 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 07:03:08,286 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 07:03:08,287 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 07:03:08,287 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 07:03:08,288 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 07:03:08,288 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf74dfa-da2f-4b12-ba49-f0616d199ee6/bin/utaipan-verify-YMUCfTKeje/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf74dfa-da2f-4b12-ba49-f0616d199ee6/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fe37ed55d149c65fede95413b0b499314c3ede2b9eb9a49f03115ea64cafc68c [2024-11-09 07:03:08,676 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 07:03:08,709 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 07:03:08,713 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 07:03:08,714 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 07:03:08,715 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 07:03:08,717 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf74dfa-da2f-4b12-ba49-f0616d199ee6/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test8-2.i Unable to find full path for "g++" [2024-11-09 07:03:11,353 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 07:03:11,862 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 07:03:11,862 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf74dfa-da2f-4b12-ba49-f0616d199ee6/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test8-2.i [2024-11-09 07:03:11,893 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf74dfa-da2f-4b12-ba49-f0616d199ee6/bin/utaipan-verify-YMUCfTKeje/data/39c8c1480/5ff1c1a18d3b478f966455d5c75928a8/FLAG1e2ad89bb [2024-11-09 07:03:11,921 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf74dfa-da2f-4b12-ba49-f0616d199ee6/bin/utaipan-verify-YMUCfTKeje/data/39c8c1480/5ff1c1a18d3b478f966455d5c75928a8 [2024-11-09 07:03:11,927 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 07:03:11,929 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 07:03:11,934 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 07:03:11,935 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 07:03:11,945 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 07:03:11,946 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 07:03:11" (1/1) ... [2024-11-09 07:03:11,948 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@688ac69b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:03:11, skipping insertion in model container [2024-11-09 07:03:11,948 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 07:03:11" (1/1) ... [2024-11-09 07:03:12,043 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 07:03:12,825 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 07:03:12,898 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 07:03:12,910 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 07:03:12,917 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 07:03:12,932 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 07:03:13,022 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 07:03:13,023 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 07:03:13,031 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 07:03:13,036 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 07:03:13,040 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 07:03:13,046 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 07:03:13,048 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 07:03:13,049 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 07:03:13,062 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 07:03:13,069 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 07:03:13,074 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 07:03:13,079 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 07:03:13,080 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 07:03:13,090 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 07:03:13,109 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 07:03:13,138 ERROR L321 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2024-11-09 07:03:13,139 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2618790a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:03:13, skipping insertion in model container [2024-11-09 07:03:13,139 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 07:03:13,141 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-11-09 07:03:13,144 INFO L158 Benchmark]: Toolchain (without parser) took 1213.11ms. Allocated memory was 125.8MB in the beginning and 180.4MB in the end (delta: 54.5MB). Free memory was 66.4MB in the beginning and 139.5MB in the end (delta: -73.1MB). Peak memory consumption was 23.2MB. Max. memory is 16.1GB. [2024-11-09 07:03:13,145 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 125.8MB. Free memory is still 62.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 07:03:13,147 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1205.98ms. Allocated memory was 125.8MB in the beginning and 180.4MB in the end (delta: 54.5MB). Free memory was 66.2MB in the beginning and 139.5MB in the end (delta: -73.3MB). Peak memory consumption was 23.2MB. Max. memory is 16.1GB. [2024-11-09 07:03:13,149 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 125.8MB. Free memory is still 62.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1205.98ms. Allocated memory was 125.8MB in the beginning and 180.4MB in the end (delta: 54.5MB). Free memory was 66.2MB in the beginning and 139.5MB in the end (delta: -73.3MB). Peak memory consumption was 23.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 778]: Unsupported Syntax Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf74dfa-da2f-4b12-ba49-f0616d199ee6/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf74dfa-da2f-4b12-ba49-f0616d199ee6/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf74dfa-da2f-4b12-ba49-f0616d199ee6/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf74dfa-da2f-4b12-ba49-f0616d199ee6/bin/utaipan-verify-YMUCfTKeje/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test8-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf74dfa-da2f-4b12-ba49-f0616d199ee6/bin/utaipan-verify-YMUCfTKeje/config/svcomp-MemCleanup-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf74dfa-da2f-4b12-ba49-f0616d199ee6/bin/utaipan-verify-YMUCfTKeje --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fe37ed55d149c65fede95413b0b499314c3ede2b9eb9a49f03115ea64cafc68c --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 07:03:16,222 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 07:03:16,361 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf74dfa-da2f-4b12-ba49-f0616d199ee6/bin/utaipan-verify-YMUCfTKeje/config/svcomp-MemCleanup-32bit-Taipan_Bitvector.epf [2024-11-09 07:03:16,372 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 07:03:16,373 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 07:03:16,428 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 07:03:16,429 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 07:03:16,430 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 07:03:16,431 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 07:03:16,433 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 07:03:16,433 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 07:03:16,434 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 07:03:16,434 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 07:03:16,435 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 07:03:16,435 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 07:03:16,435 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 07:03:16,436 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 07:03:16,437 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 07:03:16,437 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 07:03:16,438 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 07:03:16,438 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 07:03:16,439 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 07:03:16,439 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 07:03:16,439 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 07:03:16,440 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 07:03:16,440 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-09 07:03:16,441 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-09 07:03:16,441 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 07:03:16,441 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 07:03:16,442 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 07:03:16,442 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 07:03:16,442 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 07:03:16,443 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 07:03:16,443 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 07:03:16,444 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 07:03:16,444 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 07:03:16,444 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 07:03:16,445 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 07:03:16,445 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 07:03:16,445 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 07:03:16,446 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 07:03:16,446 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 07:03:16,447 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 07:03:16,447 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 07:03:16,448 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 07:03:16,448 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 07:03:16,448 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 07:03:16,448 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 07:03:16,449 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf74dfa-da2f-4b12-ba49-f0616d199ee6/bin/utaipan-verify-YMUCfTKeje/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf74dfa-da2f-4b12-ba49-f0616d199ee6/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fe37ed55d149c65fede95413b0b499314c3ede2b9eb9a49f03115ea64cafc68c [2024-11-09 07:03:17,012 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 07:03:17,056 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 07:03:17,061 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 07:03:17,063 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 07:03:17,064 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 07:03:17,066 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf74dfa-da2f-4b12-ba49-f0616d199ee6/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test8-2.i Unable to find full path for "g++" [2024-11-09 07:03:19,560 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 07:03:20,074 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 07:03:20,077 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf74dfa-da2f-4b12-ba49-f0616d199ee6/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test8-2.i [2024-11-09 07:03:20,126 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf74dfa-da2f-4b12-ba49-f0616d199ee6/bin/utaipan-verify-YMUCfTKeje/data/33cf539db/92520253db7d410e8cf954fee0e42ab8/FLAGb2ea213e7 [2024-11-09 07:03:20,154 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf74dfa-da2f-4b12-ba49-f0616d199ee6/bin/utaipan-verify-YMUCfTKeje/data/33cf539db/92520253db7d410e8cf954fee0e42ab8 [2024-11-09 07:03:20,157 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 07:03:20,158 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 07:03:20,160 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 07:03:20,160 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 07:03:20,169 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 07:03:20,170 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 07:03:20" (1/1) ... [2024-11-09 07:03:20,172 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26b9b564 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:03:20, skipping insertion in model container [2024-11-09 07:03:20,175 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 07:03:20" (1/1) ... [2024-11-09 07:03:20,283 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 07:03:21,023 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 07:03:21,103 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 07:03:21,116 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 07:03:21,124 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 07:03:21,143 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 07:03:21,233 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 07:03:21,234 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 07:03:21,241 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 07:03:21,245 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 07:03:21,251 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 07:03:21,258 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 07:03:21,262 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 07:03:21,263 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 07:03:21,274 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 07:03:21,281 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 07:03:21,290 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 07:03:21,292 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 07:03:21,295 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 07:03:21,305 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 07:03:21,317 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 07:03:21,348 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-09 07:03:21,368 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 07:03:21,430 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 07:03:21,477 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 07:03:21,482 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 07:03:21,486 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 07:03:21,494 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 07:03:21,522 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 07:03:21,522 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 07:03:21,525 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 07:03:21,526 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 07:03:21,529 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 07:03:21,531 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 07:03:21,532 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 07:03:21,533 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 07:03:21,538 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 07:03:21,540 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 07:03:21,542 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 07:03:21,543 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 07:03:21,544 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 07:03:21,548 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 07:03:21,551 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 07:03:21,556 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 07:03:21,746 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 07:03:21,820 INFO L204 MainTranslator]: Completed translation [2024-11-09 07:03:21,821 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:03:21 WrapperNode [2024-11-09 07:03:21,822 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 07:03:21,823 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 07:03:21,824 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 07:03:21,825 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 07:03:21,837 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:03:21" (1/1) ... [2024-11-09 07:03:21,901 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:03:21" (1/1) ... [2024-11-09 07:03:21,977 INFO L138 Inliner]: procedures = 180, calls = 342, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1137 [2024-11-09 07:03:21,978 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 07:03:21,979 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 07:03:21,979 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 07:03:21,979 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 07:03:21,997 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:03:21" (1/1) ... [2024-11-09 07:03:21,997 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:03:21" (1/1) ... [2024-11-09 07:03:22,014 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:03:21" (1/1) ... [2024-11-09 07:03:22,019 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:03:21" (1/1) ... [2024-11-09 07:03:22,106 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:03:21" (1/1) ... [2024-11-09 07:03:22,130 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:03:21" (1/1) ... [2024-11-09 07:03:22,136 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:03:21" (1/1) ... [2024-11-09 07:03:22,142 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:03:21" (1/1) ... [2024-11-09 07:03:22,152 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 07:03:22,153 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 07:03:22,173 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 07:03:22,173 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 07:03:22,174 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:03:21" (1/1) ... [2024-11-09 07:03:22,188 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 07:03:22,211 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf74dfa-da2f-4b12-ba49-f0616d199ee6/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 07:03:22,228 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf74dfa-da2f-4b12-ba49-f0616d199ee6/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 07:03:22,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf74dfa-da2f-4b12-ba49-f0616d199ee6/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 07:03:22,266 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-11-09 07:03:22,266 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-11-09 07:03:22,266 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-11-09 07:03:22,266 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-09 07:03:22,266 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 07:03:22,266 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 07:03:22,267 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2024-11-09 07:03:22,267 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2024-11-09 07:03:22,267 INFO L130 BoogieDeclarations]: Found specification of procedure test_int [2024-11-09 07:03:22,267 INFO L138 BoogieDeclarations]: Found implementation of procedure test_int [2024-11-09 07:03:22,268 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 07:03:22,268 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 07:03:22,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-09 07:03:22,268 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 07:03:22,268 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-09 07:03:22,269 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 07:03:22,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-09 07:03:22,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 07:03:22,269 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 07:03:22,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 07:03:22,615 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 07:03:22,618 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 07:03:31,347 INFO L? ?]: Removed 158 outVars from TransFormulas that were not future-live. [2024-11-09 07:03:31,347 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 07:03:31,370 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 07:03:31,370 INFO L316 CfgBuilder]: Removed 66 assume(true) statements. [2024-11-09 07:03:31,371 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:03:31 BoogieIcfgContainer [2024-11-09 07:03:31,371 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 07:03:31,374 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 07:03:31,374 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 07:03:31,378 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 07:03:31,378 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 07:03:20" (1/3) ... [2024-11-09 07:03:31,379 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ed9c956 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 07:03:31, skipping insertion in model container [2024-11-09 07:03:31,380 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:03:21" (2/3) ... [2024-11-09 07:03:31,380 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ed9c956 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 07:03:31, skipping insertion in model container [2024-11-09 07:03:31,380 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:03:31" (3/3) ... [2024-11-09 07:03:31,382 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_BER_test8-2.i [2024-11-09 07:03:31,404 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 07:03:31,405 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-09 07:03:31,501 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 07:03:31,512 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@49cee20b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 07:03:31,512 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-09 07:03:31,518 INFO L276 IsEmpty]: Start isEmpty. Operand has 271 states, 242 states have (on average 1.6570247933884297) internal successors, (401), 261 states have internal predecessors, (401), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 8 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-09 07:03:31,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-09 07:03:31,536 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:03:31,537 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:03:31,539 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-09 07:03:31,548 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:03:31,549 INFO L85 PathProgramCache]: Analyzing trace with hash 331682900, now seen corresponding path program 1 times [2024-11-09 07:03:31,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 07:03:31,570 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1824767628] [2024-11-09 07:03:31,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:03:31,571 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 07:03:31,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf74dfa-da2f-4b12-ba49-f0616d199ee6/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 07:03:31,575 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf74dfa-da2f-4b12-ba49-f0616d199ee6/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 07:03:31,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf74dfa-da2f-4b12-ba49-f0616d199ee6/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-09 07:03:31,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:03:31,877 INFO L255 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-09 07:03:31,884 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 07:03:31,896 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:03:31,897 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 07:03:31,898 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 07:03:31,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1824767628] [2024-11-09 07:03:31,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1824767628] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:03:31,899 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:03:31,899 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 07:03:31,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1473163820] [2024-11-09 07:03:31,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:03:31,908 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 07:03:31,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 07:03:31,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 07:03:31,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 07:03:31,962 INFO L87 Difference]: Start difference. First operand has 271 states, 242 states have (on average 1.6570247933884297) internal successors, (401), 261 states have internal predecessors, (401), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 8 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:03:32,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:03:32,036 INFO L93 Difference]: Finished difference Result 269 states and 370 transitions. [2024-11-09 07:03:32,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 07:03:32,039 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2024-11-09 07:03:32,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:03:32,058 INFO L225 Difference]: With dead ends: 269 [2024-11-09 07:03:32,059 INFO L226 Difference]: Without dead ends: 267 [2024-11-09 07:03:32,061 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 07:03:32,069 INFO L432 NwaCegarLoop]: 370 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 370 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 07:03:32,070 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 370 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 07:03:32,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267 states. [2024-11-09 07:03:32,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267 to 267. [2024-11-09 07:03:32,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 267 states, 240 states have (on average 1.3583333333333334) internal successors, (326), 257 states have internal predecessors, (326), 22 states have call successors, (22), 4 states have call predecessors, (22), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-09 07:03:32,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 368 transitions. [2024-11-09 07:03:32,147 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 368 transitions. Word has length 11 [2024-11-09 07:03:32,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:03:32,148 INFO L471 AbstractCegarLoop]: Abstraction has 267 states and 368 transitions. [2024-11-09 07:03:32,148 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:03:32,148 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 368 transitions. [2024-11-09 07:03:32,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 07:03:32,149 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:03:32,150 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:03:32,154 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf74dfa-da2f-4b12-ba49-f0616d199ee6/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-09 07:03:32,353 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf74dfa-da2f-4b12-ba49-f0616d199ee6/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 07:03:32,354 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-09 07:03:32,354 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:03:32,355 INFO L85 PathProgramCache]: Analyzing trace with hash -981662925, now seen corresponding path program 1 times [2024-11-09 07:03:32,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 07:03:32,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [859993846] [2024-11-09 07:03:32,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:03:32,356 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 07:03:32,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf74dfa-da2f-4b12-ba49-f0616d199ee6/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 07:03:32,363 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf74dfa-da2f-4b12-ba49-f0616d199ee6/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 07:03:32,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf74dfa-da2f-4b12-ba49-f0616d199ee6/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-09 07:03:32,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:03:32,647 INFO L255 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 07:03:32,650 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 07:03:32,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:03:32,825 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 07:03:32,825 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 07:03:32,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [859993846] [2024-11-09 07:03:32,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [859993846] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:03:32,826 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:03:32,826 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 07:03:32,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956974103] [2024-11-09 07:03:32,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:03:32,828 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:03:32,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 07:03:32,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:03:32,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:03:32,833 INFO L87 Difference]: Start difference. First operand 267 states and 368 transitions. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:03:34,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:03:34,103 INFO L93 Difference]: Finished difference Result 414 states and 563 transitions. [2024-11-09 07:03:34,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:03:34,108 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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 13 [2024-11-09 07:03:34,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:03:34,111 INFO L225 Difference]: With dead ends: 414 [2024-11-09 07:03:34,111 INFO L226 Difference]: Without dead ends: 414 [2024-11-09 07:03:34,112 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:03:34,113 INFO L432 NwaCegarLoop]: 348 mSDtfsCounter, 181 mSDsluCounter, 333 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 681 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-09 07:03:34,114 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [182 Valid, 681 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-09 07:03:34,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 414 states. [2024-11-09 07:03:34,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 414 to 381. [2024-11-09 07:03:34,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 381 states, 353 states have (on average 1.348441926345609) internal successors, (476), 370 states have internal predecessors, (476), 23 states have call successors, (23), 4 states have call predecessors, (23), 3 states have return successors, (21), 7 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-09 07:03:34,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 520 transitions. [2024-11-09 07:03:34,155 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 520 transitions. Word has length 13 [2024-11-09 07:03:34,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:03:34,155 INFO L471 AbstractCegarLoop]: Abstraction has 381 states and 520 transitions. [2024-11-09 07:03:34,155 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:03:34,156 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 520 transitions. [2024-11-09 07:03:34,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 07:03:34,156 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:03:34,156 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:03:34,164 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf74dfa-da2f-4b12-ba49-f0616d199ee6/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-09 07:03:34,357 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf74dfa-da2f-4b12-ba49-f0616d199ee6/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 07:03:34,358 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-09 07:03:34,359 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:03:34,359 INFO L85 PathProgramCache]: Analyzing trace with hash -979815883, now seen corresponding path program 1 times [2024-11-09 07:03:34,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 07:03:34,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [837335976] [2024-11-09 07:03:34,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:03:34,360 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 07:03:34,361 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf74dfa-da2f-4b12-ba49-f0616d199ee6/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 07:03:34,362 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf74dfa-da2f-4b12-ba49-f0616d199ee6/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 07:03:34,364 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf74dfa-da2f-4b12-ba49-f0616d199ee6/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-09 07:03:34,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:03:34,634 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 07:03:34,638 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 07:03:34,684 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 07:03:34,685 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 07:03:34,686 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 07:03:34,708 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 39 [2024-11-09 07:03:34,836 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 07:03:34,837 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 70 treesize of output 26 [2024-11-09 07:03:34,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:03:34,870 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 07:03:34,870 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 07:03:34,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [837335976] [2024-11-09 07:03:34,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [837335976] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:03:34,871 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:03:34,871 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 07:03:34,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2023715734] [2024-11-09 07:03:34,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:03:34,872 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 07:03:34,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 07:03:34,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 07:03:34,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 07:03:34,880 INFO L87 Difference]: Start difference. First operand 381 states and 520 transitions. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:03:39,403 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 07:03:43,430 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 07:03:44,740 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 07:03:45,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:03:45,066 INFO L93 Difference]: Finished difference Result 496 states and 677 transitions. [2024-11-09 07:03:45,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 07:03:45,068 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 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 13 [2024-11-09 07:03:45,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:03:45,071 INFO L225 Difference]: With dead ends: 496 [2024-11-09 07:03:45,071 INFO L226 Difference]: Without dead ends: 496 [2024-11-09 07:03:45,071 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 07:03:45,073 INFO L432 NwaCegarLoop]: 345 mSDtfsCounter, 183 mSDsluCounter, 622 mSDsCounter, 0 mSdLazyCounter, 191 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 967 SdHoareTripleChecker+Invalid, 194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 191 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.1s IncrementalHoareTripleChecker+Time [2024-11-09 07:03:45,073 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [184 Valid, 967 Invalid, 194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 191 Invalid, 1 Unknown, 0 Unchecked, 10.1s Time] [2024-11-09 07:03:45,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 496 states. [2024-11-09 07:03:45,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 496 to 380. [2024-11-09 07:03:45,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 380 states, 352 states have (on average 1.3465909090909092) internal successors, (474), 369 states have internal predecessors, (474), 23 states have call successors, (23), 4 states have call predecessors, (23), 3 states have return successors, (21), 7 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-09 07:03:45,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 518 transitions. [2024-11-09 07:03:45,105 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 518 transitions. Word has length 13 [2024-11-09 07:03:45,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:03:45,106 INFO L471 AbstractCegarLoop]: Abstraction has 380 states and 518 transitions. [2024-11-09 07:03:45,106 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:03:45,106 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 518 transitions. [2024-11-09 07:03:45,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-09 07:03:45,109 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:03:45,110 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:03:45,118 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf74dfa-da2f-4b12-ba49-f0616d199ee6/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-11-09 07:03:45,314 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf74dfa-da2f-4b12-ba49-f0616d199ee6/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 07:03:45,315 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-09 07:03:45,315 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:03:45,315 INFO L85 PathProgramCache]: Analyzing trace with hash 49755782, now seen corresponding path program 1 times [2024-11-09 07:03:45,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 07:03:45,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1176849200] [2024-11-09 07:03:45,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:03:45,318 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 07:03:45,319 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf74dfa-da2f-4b12-ba49-f0616d199ee6/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 07:03:45,322 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf74dfa-da2f-4b12-ba49-f0616d199ee6/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 07:03:45,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf74dfa-da2f-4b12-ba49-f0616d199ee6/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-09 07:03:45,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:03:45,990 INFO L255 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 07:03:45,995 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 07:03:46,058 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 07:03:46,059 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 07:03:46,059 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 07:03:46,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1176849200] [2024-11-09 07:03:46,059 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1176849200] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:03:46,060 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:03:46,060 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 07:03:46,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865372391] [2024-11-09 07:03:46,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:03:46,061 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 07:03:46,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 07:03:46,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 07:03:46,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 07:03:46,063 INFO L87 Difference]: Start difference. First operand 380 states and 518 transitions. Second operand has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 07:03:46,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:03:46,304 INFO L93 Difference]: Finished difference Result 384 states and 504 transitions. [2024-11-09 07:03:46,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 07:03:46,306 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 82 [2024-11-09 07:03:46,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:03:46,310 INFO L225 Difference]: With dead ends: 384 [2024-11-09 07:03:46,310 INFO L226 Difference]: Without dead ends: 384 [2024-11-09 07:03:46,311 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 07:03:46,316 INFO L432 NwaCegarLoop]: 336 mSDtfsCounter, 30 mSDsluCounter, 653 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 989 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 07:03:46,318 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 989 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 07:03:46,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 384 states. [2024-11-09 07:03:46,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 384 to 384. [2024-11-09 07:03:46,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 384 states, 356 states have (on average 1.2921348314606742) internal successors, (460), 373 states have internal predecessors, (460), 23 states have call successors, (23), 4 states have call predecessors, (23), 3 states have return successors, (21), 7 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-09 07:03:46,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 384 states and 504 transitions. [2024-11-09 07:03:46,350 INFO L78 Accepts]: Start accepts. Automaton has 384 states and 504 transitions. Word has length 82 [2024-11-09 07:03:46,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:03:46,351 INFO L471 AbstractCegarLoop]: Abstraction has 384 states and 504 transitions. [2024-11-09 07:03:46,351 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 07:03:46,352 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 504 transitions. [2024-11-09 07:03:46,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-09 07:03:46,354 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:03:46,355 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:03:46,366 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf74dfa-da2f-4b12-ba49-f0616d199ee6/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2024-11-09 07:03:46,555 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf74dfa-da2f-4b12-ba49-f0616d199ee6/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 07:03:46,556 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-09 07:03:46,556 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:03:46,556 INFO L85 PathProgramCache]: Analyzing trace with hash -1715050606, now seen corresponding path program 1 times [2024-11-09 07:03:46,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 07:03:46,557 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1778142899] [2024-11-09 07:03:46,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:03:46,558 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 07:03:46,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf74dfa-da2f-4b12-ba49-f0616d199ee6/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 07:03:46,560 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf74dfa-da2f-4b12-ba49-f0616d199ee6/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 07:03:46,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf74dfa-da2f-4b12-ba49-f0616d199ee6/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-11-09 07:03:47,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:03:47,199 INFO L255 TraceCheckSpWp]: Trace formula consists of 445 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 07:03:47,205 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 07:03:47,497 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 07:03:47,498 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 07:03:47,498 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 07:03:47,498 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1778142899] [2024-11-09 07:03:47,498 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1778142899] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:03:47,499 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:03:47,499 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 07:03:47,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1516428434] [2024-11-09 07:03:47,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:03:47,500 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 07:03:47,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 07:03:47,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 07:03:47,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 07:03:47,501 INFO L87 Difference]: Start difference. First operand 384 states and 504 transitions. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 07:03:47,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:03:47,647 INFO L93 Difference]: Finished difference Result 372 states and 484 transitions. [2024-11-09 07:03:47,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 07:03:47,648 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 82 [2024-11-09 07:03:47,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:03:47,651 INFO L225 Difference]: With dead ends: 372 [2024-11-09 07:03:47,651 INFO L226 Difference]: Without dead ends: 372 [2024-11-09 07:03:47,651 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 07:03:47,652 INFO L432 NwaCegarLoop]: 335 mSDtfsCounter, 0 mSDsluCounter, 651 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 986 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 07:03:47,653 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 986 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 07:03:47,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2024-11-09 07:03:47,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 372. [2024-11-09 07:03:47,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 372 states, 344 states have (on average 1.2790697674418605) internal successors, (440), 361 states have internal predecessors, (440), 23 states have call successors, (23), 4 states have call predecessors, (23), 3 states have return successors, (21), 7 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-09 07:03:47,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 484 transitions. [2024-11-09 07:03:47,670 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 484 transitions. Word has length 82 [2024-11-09 07:03:47,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:03:47,671 INFO L471 AbstractCegarLoop]: Abstraction has 372 states and 484 transitions. [2024-11-09 07:03:47,672 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 07:03:47,672 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 484 transitions. [2024-11-09 07:03:47,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-09 07:03:47,675 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:03:47,675 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:03:47,688 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf74dfa-da2f-4b12-ba49-f0616d199ee6/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2024-11-09 07:03:47,875 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf74dfa-da2f-4b12-ba49-f0616d199ee6/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 07:03:47,876 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-09 07:03:47,877 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:03:47,877 INFO L85 PathProgramCache]: Analyzing trace with hash 313535504, now seen corresponding path program 1 times [2024-11-09 07:03:47,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 07:03:47,879 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [138156828] [2024-11-09 07:03:47,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:03:47,880 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 07:03:47,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf74dfa-da2f-4b12-ba49-f0616d199ee6/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 07:03:47,884 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf74dfa-da2f-4b12-ba49-f0616d199ee6/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 07:03:47,885 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf74dfa-da2f-4b12-ba49-f0616d199ee6/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2024-11-09 07:03:48,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:03:48,584 INFO L255 TraceCheckSpWp]: Trace formula consists of 447 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 07:03:48,589 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 07:03:48,636 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:03:48,636 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 07:03:48,637 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 07:03:48,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [138156828] [2024-11-09 07:03:48,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [138156828] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:03:48,637 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:03:48,638 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 07:03:48,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033311211] [2024-11-09 07:03:48,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:03:48,639 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 07:03:48,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 07:03:48,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 07:03:48,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 07:03:48,641 INFO L87 Difference]: Start difference. First operand 372 states and 484 transitions. Second operand has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 07:03:48,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:03:48,723 INFO L93 Difference]: Finished difference Result 375 states and 488 transitions. [2024-11-09 07:03:48,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 07:03:48,724 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 82 [2024-11-09 07:03:48,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:03:48,727 INFO L225 Difference]: With dead ends: 375 [2024-11-09 07:03:48,727 INFO L226 Difference]: Without dead ends: 375 [2024-11-09 07:03:48,727 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 07:03:48,729 INFO L432 NwaCegarLoop]: 348 mSDtfsCounter, 0 mSDsluCounter, 692 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1040 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 07:03:48,729 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1040 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 07:03:48,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2024-11-09 07:03:48,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 375. [2024-11-09 07:03:48,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 375 states, 346 states have (on average 1.2803468208092486) internal successors, (443), 364 states have internal predecessors, (443), 23 states have call successors, (23), 4 states have call predecessors, (23), 4 states have return successors, (22), 7 states have call predecessors, (22), 21 states have call successors, (22) [2024-11-09 07:03:48,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 488 transitions. [2024-11-09 07:03:48,745 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 488 transitions. Word has length 82 [2024-11-09 07:03:48,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:03:48,746 INFO L471 AbstractCegarLoop]: Abstraction has 375 states and 488 transitions. [2024-11-09 07:03:48,746 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 07:03:48,747 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 488 transitions. [2024-11-09 07:03:48,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-09 07:03:48,751 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:03:48,751 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:03:48,766 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf74dfa-da2f-4b12-ba49-f0616d199ee6/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2024-11-09 07:03:48,952 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf74dfa-da2f-4b12-ba49-f0616d199ee6/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 07:03:48,953 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-09 07:03:48,953 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:03:48,954 INFO L85 PathProgramCache]: Analyzing trace with hash -1683970610, now seen corresponding path program 1 times [2024-11-09 07:03:48,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 07:03:48,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [455328308] [2024-11-09 07:03:48,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:03:48,955 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 07:03:48,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf74dfa-da2f-4b12-ba49-f0616d199ee6/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 07:03:48,959 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf74dfa-da2f-4b12-ba49-f0616d199ee6/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 07:03:48,962 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf74dfa-da2f-4b12-ba49-f0616d199ee6/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2024-11-09 07:03:49,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:03:49,630 INFO L255 TraceCheckSpWp]: Trace formula consists of 469 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 07:03:49,633 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 07:03:49,709 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 07:03:49,709 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 07:03:49,897 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-09 07:03:49,897 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 07:03:49,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [455328308] [2024-11-09 07:03:49,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [455328308] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 07:03:49,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [885270605] [2024-11-09 07:03:49,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:03:49,899 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 07:03:49,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf74dfa-da2f-4b12-ba49-f0616d199ee6/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 07:03:49,906 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf74dfa-da2f-4b12-ba49-f0616d199ee6/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 07:03:49,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf74dfa-da2f-4b12-ba49-f0616d199ee6/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-09 07:03:50,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:03:50,935 INFO L255 TraceCheckSpWp]: Trace formula consists of 469 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 07:03:50,939 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 07:03:50,975 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 07:03:50,975 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 07:03:51,054 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-09 07:03:51,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [885270605] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 07:03:51,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [276827792] [2024-11-09 07:03:51,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:03:51,056 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 07:03:51,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf74dfa-da2f-4b12-ba49-f0616d199ee6/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 07:03:51,059 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf74dfa-da2f-4b12-ba49-f0616d199ee6/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 07:03:51,062 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf74dfa-da2f-4b12-ba49-f0616d199ee6/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-09 07:03:51,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:03:51,708 INFO L255 TraceCheckSpWp]: Trace formula consists of 469 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 07:03:51,712 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 07:03:51,740 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-09 07:03:51,741 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 07:03:51,921 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-09 07:03:51,921 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [276827792] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 07:03:51,921 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2024-11-09 07:03:51,922 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 11 [2024-11-09 07:03:51,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [29184097] [2024-11-09 07:03:51,922 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2024-11-09 07:03:51,923 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-09 07:03:51,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 07:03:51,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-09 07:03:51,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2024-11-09 07:03:51,925 INFO L87 Difference]: Start difference. First operand 375 states and 488 transitions. Second operand has 11 states, 11 states have (on average 8.272727272727273) internal successors, (91), 11 states have internal predecessors, (91), 2 states have call successors, (7), 2 states have call predecessors, (7), 5 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-09 07:03:52,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:03:52,611 INFO L93 Difference]: Finished difference Result 390 states and 510 transitions. [2024-11-09 07:03:52,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-09 07:03:52,616 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.272727272727273) internal successors, (91), 11 states have internal predecessors, (91), 2 states have call successors, (7), 2 states have call predecessors, (7), 5 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 84 [2024-11-09 07:03:52,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:03:52,619 INFO L225 Difference]: With dead ends: 390 [2024-11-09 07:03:52,619 INFO L226 Difference]: Without dead ends: 390 [2024-11-09 07:03:52,620 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 507 GetRequests, 489 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=122, Invalid=258, Unknown=0, NotChecked=0, Total=380 [2024-11-09 07:03:52,621 INFO L432 NwaCegarLoop]: 347 mSDtfsCounter, 14 mSDsluCounter, 2063 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 2410 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 07:03:52,621 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 2410 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 07:03:52,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 390 states. [2024-11-09 07:03:52,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 390 to 386. [2024-11-09 07:03:52,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 386 states, 356 states have (on average 1.2949438202247192) internal successors, (461), 374 states have internal predecessors, (461), 23 states have call successors, (23), 5 states have call predecessors, (23), 5 states have return successors, (22), 7 states have call predecessors, (22), 21 states have call successors, (22) [2024-11-09 07:03:52,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 386 states and 506 transitions. [2024-11-09 07:03:52,638 INFO L78 Accepts]: Start accepts. Automaton has 386 states and 506 transitions. Word has length 84 [2024-11-09 07:03:52,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:03:52,639 INFO L471 AbstractCegarLoop]: Abstraction has 386 states and 506 transitions. [2024-11-09 07:03:52,640 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.272727272727273) internal successors, (91), 11 states have internal predecessors, (91), 2 states have call successors, (7), 2 states have call predecessors, (7), 5 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-09 07:03:52,640 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 506 transitions. [2024-11-09 07:03:52,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-09 07:03:52,643 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:03:52,646 INFO L215 NwaCegarLoop]: trace histogram [8, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:03:52,659 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf74dfa-da2f-4b12-ba49-f0616d199ee6/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2024-11-09 07:03:52,856 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf74dfa-da2f-4b12-ba49-f0616d199ee6/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-09 07:03:53,069 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf74dfa-da2f-4b12-ba49-f0616d199ee6/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-09 07:03:53,247 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf74dfa-da2f-4b12-ba49-f0616d199ee6/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf74dfa-da2f-4b12-ba49-f0616d199ee6/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf74dfa-da2f-4b12-ba49-f0616d199ee6/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 07:03:53,248 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-09 07:03:53,248 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:03:53,248 INFO L85 PathProgramCache]: Analyzing trace with hash -1589436144, now seen corresponding path program 2 times [2024-11-09 07:03:53,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 07:03:53,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1696445135] [2024-11-09 07:03:53,249 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 07:03:53,250 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 07:03:53,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf74dfa-da2f-4b12-ba49-f0616d199ee6/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 07:03:53,251 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf74dfa-da2f-4b12-ba49-f0616d199ee6/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 07:03:53,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf74dfa-da2f-4b12-ba49-f0616d199ee6/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2024-11-09 07:03:54,691 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-09 07:03:54,691 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 07:03:54,722 INFO L255 TraceCheckSpWp]: Trace formula consists of 535 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 07:03:54,726 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 07:03:54,912 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 28 proven. 10 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-09 07:03:54,914 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 07:03:55,342 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-09 07:03:55,343 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 07:03:55,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1696445135] [2024-11-09 07:03:55,343 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1696445135] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 07:03:55,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [638378815] [2024-11-09 07:03:55,343 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 07:03:55,343 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 07:03:55,344 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf74dfa-da2f-4b12-ba49-f0616d199ee6/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 07:03:55,345 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf74dfa-da2f-4b12-ba49-f0616d199ee6/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 07:03:55,348 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf74dfa-da2f-4b12-ba49-f0616d199ee6/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-09 07:04:01,938 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-09 07:04:01,938 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 07:04:01,964 INFO L255 TraceCheckSpWp]: Trace formula consists of 535 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 07:04:01,969 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 07:04:02,022 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 28 proven. 10 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-09 07:04:02,022 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 07:04:02,177 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-09 07:04:02,178 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [638378815] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 07:04:02,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [141376814] [2024-11-09 07:04:02,178 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 07:04:02,178 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 07:04:02,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf74dfa-da2f-4b12-ba49-f0616d199ee6/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 07:04:02,181 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf74dfa-da2f-4b12-ba49-f0616d199ee6/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 07:04:02,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf74dfa-da2f-4b12-ba49-f0616d199ee6/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-09 07:12:20,792 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-09 07:12:20,792 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 07:12:20,857 INFO L255 TraceCheckSpWp]: Trace formula consists of 535 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 07:12:20,861 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 07:12:21,008 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 27 proven. 10 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-09 07:12:21,008 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 07:12:21,601 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 27 proven. 10 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-09 07:12:21,602 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [141376814] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 07:12:21,602 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2024-11-09 07:12:21,602 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8, 8, 8, 8] total 22 [2024-11-09 07:12:21,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269022816] [2024-11-09 07:12:21,603 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2024-11-09 07:12:21,604 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-09 07:12:21,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 07:12:21,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-09 07:12:21,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=137, Invalid=325, Unknown=0, NotChecked=0, Total=462 [2024-11-09 07:12:21,606 INFO L87 Difference]: Start difference. First operand 386 states and 506 transitions. Second operand has 22 states, 22 states have (on average 4.681818181818182) internal successors, (103), 22 states have internal predecessors, (103), 2 states have call successors, (7), 2 states have call predecessors, (7), 6 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-09 07:12:23,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:12:23,364 INFO L93 Difference]: Finished difference Result 406 states and 535 transitions. [2024-11-09 07:12:23,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-09 07:12:23,366 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 4.681818181818182) internal successors, (103), 22 states have internal predecessors, (103), 2 states have call successors, (7), 2 states have call predecessors, (7), 6 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 90 [2024-11-09 07:12:23,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:12:23,369 INFO L225 Difference]: With dead ends: 406 [2024-11-09 07:12:23,369 INFO L226 Difference]: Without dead ends: 400 [2024-11-09 07:12:23,370 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 555 GetRequests, 514 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 340 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=505, Invalid=1301, Unknown=0, NotChecked=0, Total=1806 [2024-11-09 07:12:23,371 INFO L432 NwaCegarLoop]: 348 mSDtfsCounter, 25 mSDsluCounter, 3434 mSDsCounter, 0 mSdLazyCounter, 208 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 3782 SdHoareTripleChecker+Invalid, 233 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 208 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-09 07:12:23,372 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 3782 Invalid, 233 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 208 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-09 07:12:23,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 400 states. [2024-11-09 07:12:23,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 400 to 398. [2024-11-09 07:12:23,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 398 states, 368 states have (on average 1.298913043478261) internal successors, (478), 386 states have internal predecessors, (478), 23 states have call successors, (23), 5 states have call predecessors, (23), 5 states have return successors, (22), 7 states have call predecessors, (22), 21 states have call successors, (22) [2024-11-09 07:12:23,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 398 states and 523 transitions. [2024-11-09 07:12:23,395 INFO L78 Accepts]: Start accepts. Automaton has 398 states and 523 transitions. Word has length 90 [2024-11-09 07:12:23,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:12:23,396 INFO L471 AbstractCegarLoop]: Abstraction has 398 states and 523 transitions. [2024-11-09 07:12:23,396 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 4.681818181818182) internal successors, (103), 22 states have internal predecessors, (103), 2 states have call successors, (7), 2 states have call predecessors, (7), 6 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-09 07:12:23,396 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 523 transitions. [2024-11-09 07:12:23,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-09 07:12:23,398 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:12:23,398 INFO L215 NwaCegarLoop]: trace histogram [20, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:12:23,496 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf74dfa-da2f-4b12-ba49-f0616d199ee6/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-11-09 07:12:23,616 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf74dfa-da2f-4b12-ba49-f0616d199ee6/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (12)] Forceful destruction successful, exit code 0 [2024-11-09 07:12:23,815 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf74dfa-da2f-4b12-ba49-f0616d199ee6/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Ended with exit code 0 [2024-11-09 07:12:23,999 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf74dfa-da2f-4b12-ba49-f0616d199ee6/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf74dfa-da2f-4b12-ba49-f0616d199ee6/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf74dfa-da2f-4b12-ba49-f0616d199ee6/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 07:12:23,999 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-09 07:12:24,000 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:12:24,000 INFO L85 PathProgramCache]: Analyzing trace with hash -1534871408, now seen corresponding path program 3 times [2024-11-09 07:12:24,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 07:12:24,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1922479548] [2024-11-09 07:12:24,001 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-09 07:12:24,001 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 07:12:24,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf74dfa-da2f-4b12-ba49-f0616d199ee6/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 07:12:24,005 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf74dfa-da2f-4b12-ba49-f0616d199ee6/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 07:12:24,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf74dfa-da2f-4b12-ba49-f0616d199ee6/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2024-11-09 07:12:28,148 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2024-11-09 07:12:28,149 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 07:12:28,201 INFO L255 TraceCheckSpWp]: Trace formula consists of 645 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-09 07:12:28,206 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 07:12:28,862 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 123 proven. 55 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-11-09 07:12:28,862 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 07:12:30,522 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 123 proven. 55 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-11-09 07:12:30,522 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 07:12:30,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1922479548] [2024-11-09 07:12:30,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1922479548] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 07:12:30,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [639078351] [2024-11-09 07:12:30,523 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-09 07:12:30,523 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 07:12:30,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf74dfa-da2f-4b12-ba49-f0616d199ee6/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 07:12:30,528 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf74dfa-da2f-4b12-ba49-f0616d199ee6/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 07:12:30,530 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf74dfa-da2f-4b12-ba49-f0616d199ee6/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-09 07:13:05,149 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2024-11-09 07:13:05,149 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 07:13:05,257 INFO L255 TraceCheckSpWp]: Trace formula consists of 645 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-09 07:13:05,260 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 07:13:05,354 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 123 proven. 55 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-11-09 07:13:05,355 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 07:13:05,682 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 123 proven. 55 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-11-09 07:13:05,682 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [639078351] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 07:13:05,683 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1405438562] [2024-11-09 07:13:05,683 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-09 07:13:05,683 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 07:13:05,683 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf74dfa-da2f-4b12-ba49-f0616d199ee6/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 07:13:05,685 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf74dfa-da2f-4b12-ba49-f0616d199ee6/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 07:13:05,688 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf74dfa-da2f-4b12-ba49-f0616d199ee6/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process