./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test2-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version 4fc63b2a 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_9fef8711-67b8-4d84-84c7-0bce1555d2b6/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fef8711-67b8-4d84-84c7-0bce1555d2b6/bin/utaipan-verify-DbMuA5NWw2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fef8711-67b8-4d84-84c7-0bce1555d2b6/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fef8711-67b8-4d84-84c7-0bce1555d2b6/bin/utaipan-verify-DbMuA5NWw2/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test2-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fef8711-67b8-4d84-84c7-0bce1555d2b6/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-MemCleanup-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fef8711-67b8-4d84-84c7-0bce1555d2b6/bin/utaipan-verify-DbMuA5NWw2 --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 2a3326bc22943076798f4c55311213b2a5f9b1e03e68dc17c2ac5a3393252251 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:28:41,133 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:28:41,226 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fef8711-67b8-4d84-84c7-0bce1555d2b6/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-MemCleanup-32bit-Taipan_Default.epf [2024-11-02 12:28:41,235 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:28:41,235 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:28:41,284 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:28:41,284 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:28:41,285 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:28:41,286 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:28:41,289 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:28:41,290 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:28:41,290 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:28:41,291 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:28:41,291 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-02 12:28:41,291 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:28:41,292 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:28:41,296 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-02 12:28:41,296 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-02 12:28:41,307 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:28:41,307 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-02 12:28:41,307 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-02 12:28:41,309 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-02 12:28:41,310 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-02 12:28:41,311 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-02 12:28:41,311 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:28:41,312 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:28:41,312 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-02 12:28:41,312 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 12:28:41,313 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-02 12:28:41,313 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:28:41,314 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:28:41,314 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-02 12:28:41,315 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-02 12:28:41,315 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:28:41,315 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:28:41,315 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-02 12:28:41,316 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:28:41,316 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-02 12:28:41,316 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-02 12:28:41,316 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:28:41,316 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:28:41,317 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:28:41,317 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:28:41,317 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:28:41,318 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:28:41,318 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:28:41,319 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:28:41,319 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-02 12:28:41,319 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-02 12:28:41,319 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:28:41,319 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:28:41,319 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:28:41,320 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_9fef8711-67b8-4d84-84c7-0bce1555d2b6/bin/utaipan-verify-DbMuA5NWw2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fef8711-67b8-4d84-84c7-0bce1555d2b6/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2a3326bc22943076798f4c55311213b2a5f9b1e03e68dc17c2ac5a3393252251 [2024-11-02 12:28:41,603 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:28:41,630 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:28:41,634 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:28:41,635 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:28:41,636 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:28:41,637 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fef8711-67b8-4d84-84c7-0bce1555d2b6/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test2-2.i Unable to find full path for "g++" [2024-11-02 12:28:43,717 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:28:44,037 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:28:44,037 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fef8711-67b8-4d84-84c7-0bce1555d2b6/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test2-2.i [2024-11-02 12:28:44,068 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fef8711-67b8-4d84-84c7-0bce1555d2b6/bin/utaipan-verify-DbMuA5NWw2/data/3f2c992c3/3337566c274d411eabb53d1b3b8a72a1/FLAGbf1fe001b [2024-11-02 12:28:44,083 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fef8711-67b8-4d84-84c7-0bce1555d2b6/bin/utaipan-verify-DbMuA5NWw2/data/3f2c992c3/3337566c274d411eabb53d1b3b8a72a1 [2024-11-02 12:28:44,086 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:28:44,087 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:28:44,089 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:28:44,089 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:28:44,097 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:28:44,098 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:28:44" (1/1) ... [2024-11-02 12:28:44,099 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@140fbbc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:44, skipping insertion in model container [2024-11-02 12:28:44,099 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:28:44" (1/1) ... [2024-11-02 12:28:44,182 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:28:44,783 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-02 12:28:44,835 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-02 12:28:44,841 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-02 12:28:44,847 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-02 12:28:44,859 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-02 12:28:44,914 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-02 12:28:44,915 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-02 12:28:44,920 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-02 12:28:44,921 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-02 12:28:44,924 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-02 12:28:44,928 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-02 12:28:44,930 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-02 12:28:44,932 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-02 12:28:44,932 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-02 12:28:44,937 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-02 12:28:44,943 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:28:44,954 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) [2024-11-02 12:28:44,959 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1d8083b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:44, skipping insertion in model container [2024-11-02 12:28:44,959 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:28:44,960 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-11-02 12:28:44,962 INFO L158 Benchmark]: Toolchain (without parser) took 873.55ms. Allocated memory is still 130.0MB. Free memory was 90.5MB in the beginning and 67.1MB in the end (delta: 23.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-02 12:28:44,963 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 130.0MB. Free memory is still 97.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 12:28:44,963 INFO L158 Benchmark]: CACSL2BoogieTranslator took 871.10ms. Allocated memory is still 130.0MB. Free memory was 90.2MB in the beginning and 67.1MB in the end (delta: 23.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-02 12:28:44,965 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 130.0MB. Free memory is still 97.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 871.10ms. Allocated memory is still 130.0MB. Free memory was 90.2MB in the beginning and 67.1MB in the end (delta: 23.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 833]: 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_9fef8711-67b8-4d84-84c7-0bce1555d2b6/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fef8711-67b8-4d84-84c7-0bce1555d2b6/bin/utaipan-verify-DbMuA5NWw2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fef8711-67b8-4d84-84c7-0bce1555d2b6/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fef8711-67b8-4d84-84c7-0bce1555d2b6/bin/utaipan-verify-DbMuA5NWw2/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test2-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fef8711-67b8-4d84-84c7-0bce1555d2b6/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-MemCleanup-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fef8711-67b8-4d84-84c7-0bce1555d2b6/bin/utaipan-verify-DbMuA5NWw2 --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 2a3326bc22943076798f4c55311213b2a5f9b1e03e68dc17c2ac5a3393252251 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:28:47,124 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:28:47,218 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fef8711-67b8-4d84-84c7-0bce1555d2b6/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-MemCleanup-32bit-Taipan_Bitvector.epf [2024-11-02 12:28:47,224 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:28:47,225 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:28:47,282 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:28:47,283 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:28:47,283 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:28:47,284 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:28:47,284 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:28:47,285 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:28:47,285 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:28:47,286 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:28:47,288 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:28:47,288 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:28:47,289 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:28:47,289 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-02 12:28:47,290 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-02 12:28:47,294 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:28:47,294 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:28:47,295 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-02 12:28:47,295 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 12:28:47,296 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-02 12:28:47,296 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:28:47,296 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:28:47,296 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-02 12:28:47,297 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-02 12:28:47,298 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:28:47,298 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:28:47,298 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-02 12:28:47,300 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-02 12:28:47,300 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:28:47,300 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-02 12:28:47,300 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-02 12:28:47,301 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-02 12:28:47,301 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:28:47,302 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:28:47,302 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:28:47,303 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-02 12:28:47,303 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:28:47,303 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:28:47,304 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:28:47,304 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:28:47,304 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:28:47,304 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-02 12:28:47,305 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-02 12:28:47,305 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:28:47,305 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:28:47,305 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:28:47,305 INFO L153 SettingsManager]: * Logic for external solver=AUFBV 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_9fef8711-67b8-4d84-84c7-0bce1555d2b6/bin/utaipan-verify-DbMuA5NWw2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fef8711-67b8-4d84-84c7-0bce1555d2b6/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2a3326bc22943076798f4c55311213b2a5f9b1e03e68dc17c2ac5a3393252251 [2024-11-02 12:28:47,715 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:28:47,746 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:28:47,749 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:28:47,750 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:28:47,751 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:28:47,752 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fef8711-67b8-4d84-84c7-0bce1555d2b6/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test2-2.i Unable to find full path for "g++" [2024-11-02 12:28:49,997 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:28:50,389 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:28:50,390 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fef8711-67b8-4d84-84c7-0bce1555d2b6/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test2-2.i [2024-11-02 12:28:50,418 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fef8711-67b8-4d84-84c7-0bce1555d2b6/bin/utaipan-verify-DbMuA5NWw2/data/e29162c88/faf71a0949694a8b96b7d8b8cd185f63/FLAG1334c9482 [2024-11-02 12:28:50,438 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fef8711-67b8-4d84-84c7-0bce1555d2b6/bin/utaipan-verify-DbMuA5NWw2/data/e29162c88/faf71a0949694a8b96b7d8b8cd185f63 [2024-11-02 12:28:50,440 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:28:50,443 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:28:50,444 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:28:50,448 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:28:50,454 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:28:50,455 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:28:50" (1/1) ... [2024-11-02 12:28:50,457 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14b0f1b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:50, skipping insertion in model container [2024-11-02 12:28:50,457 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:28:50" (1/1) ... [2024-11-02 12:28:50,518 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:28:51,152 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-02 12:28:51,206 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-02 12:28:51,211 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-02 12:28:51,222 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-02 12:28:51,232 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-02 12:28:51,277 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-02 12:28:51,278 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-02 12:28:51,281 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-02 12:28:51,282 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-02 12:28:51,284 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-02 12:28:51,287 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-02 12:28:51,289 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-02 12:28:51,291 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-02 12:28:51,292 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-02 12:28:51,297 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-02 12:28:51,305 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:28:51,325 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-02 12:28:51,345 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:28:51,397 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-02 12:28:51,417 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-02 12:28:51,423 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-02 12:28:51,430 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-02 12:28:51,440 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-02 12:28:51,480 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-02 12:28:51,481 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-02 12:28:51,483 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-02 12:28:51,483 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-02 12:28:51,485 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-02 12:28:51,487 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-02 12:28:51,488 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-02 12:28:51,489 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-02 12:28:51,490 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-02 12:28:51,493 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-02 12:28:51,495 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:28:51,499 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:28:51,609 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:28:51,651 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:28:51,652 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:51 WrapperNode [2024-11-02 12:28:51,652 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:28:51,653 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:28:51,653 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:28:51,653 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:28:51,661 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:51" (1/1) ... [2024-11-02 12:28:51,689 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:51" (1/1) ... [2024-11-02 12:28:51,766 INFO L138 Inliner]: procedures = 211, calls = 280, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1063 [2024-11-02 12:28:51,770 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:28:51,771 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:28:51,771 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:28:51,771 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:28:51,786 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:51" (1/1) ... [2024-11-02 12:28:51,786 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:51" (1/1) ... [2024-11-02 12:28:51,802 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:51" (1/1) ... [2024-11-02 12:28:51,802 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:51" (1/1) ... [2024-11-02 12:28:51,880 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:51" (1/1) ... [2024-11-02 12:28:51,889 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:51" (1/1) ... [2024-11-02 12:28:51,893 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:51" (1/1) ... [2024-11-02 12:28:51,897 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:51" (1/1) ... [2024-11-02 12:28:51,905 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:28:51,905 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:28:51,906 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:28:51,906 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:28:51,910 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:51" (1/1) ... [2024-11-02 12:28:51,920 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:28:51,936 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fef8711-67b8-4d84-84c7-0bce1555d2b6/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:28:51,953 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fef8711-67b8-4d84-84c7-0bce1555d2b6/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:28:51,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fef8711-67b8-4d84-84c7-0bce1555d2b6/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:28:51,980 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-11-02 12:28:51,981 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-11-02 12:28:51,981 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-11-02 12:28:51,981 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-02 12:28:51,981 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2024-11-02 12:28:51,981 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2024-11-02 12:28:51,981 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-02 12:28:51,981 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-02 12:28:51,981 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-02 12:28:51,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-02 12:28:51,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-02 12:28:51,982 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-02 12:28:51,982 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-02 12:28:51,982 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-02 12:28:51,982 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:28:51,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-02 12:28:51,982 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:28:51,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:28:52,219 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:28:52,221 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:28:58,669 INFO L? ?]: Removed 137 outVars from TransFormulas that were not future-live. [2024-11-02 12:28:58,669 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:28:58,694 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:28:58,697 INFO L316 CfgBuilder]: Removed 63 assume(true) statements. [2024-11-02 12:28:58,698 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:28:58 BoogieIcfgContainer [2024-11-02 12:28:58,698 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:28:58,700 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:28:58,702 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:28:58,706 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:28:58,706 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:28:50" (1/3) ... [2024-11-02 12:28:58,707 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25b76412 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:28:58, skipping insertion in model container [2024-11-02 12:28:58,707 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:51" (2/3) ... [2024-11-02 12:28:58,708 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25b76412 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:28:58, skipping insertion in model container [2024-11-02 12:28:58,708 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:28:58" (3/3) ... [2024-11-02 12:28:58,709 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_SFH_test2-2.i [2024-11-02 12:28:58,729 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:28:58,729 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-02 12:28:58,789 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 12:28:58,795 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;@7682129c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 12:28:58,795 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-02 12:28:58,803 INFO L276 IsEmpty]: Start isEmpty. Operand has 217 states, 201 states have (on average 1.6616915422885572) internal successors, (334), 210 states have internal predecessors, (334), 10 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 6 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-02 12:28:58,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-02 12:28:58,815 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:28:58,816 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:28:58,817 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-02 12:28:58,821 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:28:58,821 INFO L85 PathProgramCache]: Analyzing trace with hash -1552170126, now seen corresponding path program 1 times [2024-11-02 12:28:58,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:28:58,836 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [282603845] [2024-11-02 12:28:58,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:28:58,836 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 [2024-11-02 12:28:58,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fef8711-67b8-4d84-84c7-0bce1555d2b6/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:28:58,840 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fef8711-67b8-4d84-84c7-0bce1555d2b6/bin/utaipan-verify-DbMuA5NWw2/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) [2024-11-02 12:28:58,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fef8711-67b8-4d84-84c7-0bce1555d2b6/bin/utaipan-verify-DbMuA5NWw2/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 [2024-11-02 12:28:59,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:28:59,092 INFO L255 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-02 12:28:59,098 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:28:59,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-02 12:28:59,113 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 12:28:59,114 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 12:28:59,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [282603845] [2024-11-02 12:28:59,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [282603845] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:28:59,115 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:28:59,116 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-02 12:28:59,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680359767] [2024-11-02 12:28:59,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:28:59,125 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-02 12:28:59,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 12:28:59,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-02 12:28:59,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-02 12:28:59,162 INFO L87 Difference]: Start difference. First operand has 217 states, 201 states have (on average 1.6616915422885572) internal successors, (334), 210 states have internal predecessors, (334), 10 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 6 states have call predecessors, (10), 10 states have call successors, (10) 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) [2024-11-02 12:28:59,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:28:59,211 INFO L93 Difference]: Finished difference Result 215 states and 282 transitions. [2024-11-02 12:28:59,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-02 12:28:59,214 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 [2024-11-02 12:28:59,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:28:59,228 INFO L225 Difference]: With dead ends: 215 [2024-11-02 12:28:59,228 INFO L226 Difference]: Without dead ends: 213 [2024-11-02 12:28:59,230 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 [2024-11-02 12:28:59,236 INFO L432 NwaCegarLoop]: 282 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, 282 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 [2024-11-02 12:28:59,237 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 282 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-02 12:28:59,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2024-11-02 12:28:59,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 213. [2024-11-02 12:28:59,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 199 states have (on average 1.3165829145728642) internal successors, (262), 206 states have internal predecessors, (262), 10 states have call successors, (10), 3 states have call predecessors, (10), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-02 12:28:59,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 280 transitions. [2024-11-02 12:28:59,306 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 280 transitions. Word has length 11 [2024-11-02 12:28:59,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:28:59,306 INFO L471 AbstractCegarLoop]: Abstraction has 213 states and 280 transitions. [2024-11-02 12:28:59,307 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) [2024-11-02 12:28:59,309 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 280 transitions. [2024-11-02 12:28:59,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-02 12:28:59,310 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:28:59,311 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:28:59,315 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fef8711-67b8-4d84-84c7-0bce1555d2b6/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2024-11-02 12:28:59,514 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fef8711-67b8-4d84-84c7-0bce1555d2b6/bin/utaipan-verify-DbMuA5NWw2/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 [2024-11-02 12:28:59,514 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-02 12:28:59,515 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:28:59,515 INFO L85 PathProgramCache]: Analyzing trace with hash -2024921328, now seen corresponding path program 1 times [2024-11-02 12:28:59,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:28:59,515 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [155764723] [2024-11-02 12:28:59,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:28:59,516 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 [2024-11-02 12:28:59,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fef8711-67b8-4d84-84c7-0bce1555d2b6/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:28:59,519 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fef8711-67b8-4d84-84c7-0bce1555d2b6/bin/utaipan-verify-DbMuA5NWw2/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) [2024-11-02 12:28:59,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fef8711-67b8-4d84-84c7-0bce1555d2b6/bin/utaipan-verify-DbMuA5NWw2/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 [2024-11-02 12:28:59,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:28:59,738 INFO L255 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-02 12:28:59,740 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:28:59,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-02 12:28:59,854 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 12:28:59,855 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 12:28:59,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [155764723] [2024-11-02 12:28:59,855 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [155764723] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:28:59,855 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:28:59,856 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-02 12:28:59,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004791687] [2024-11-02 12:28:59,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:28:59,857 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-02 12:28:59,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 12:28:59,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-02 12:28:59,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-02 12:28:59,859 INFO L87 Difference]: Start difference. First operand 213 states and 280 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) [2024-11-02 12:29:00,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:29:00,679 INFO L93 Difference]: Finished difference Result 345 states and 458 transitions. [2024-11-02 12:29:00,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-02 12:29:00,680 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 [2024-11-02 12:29:00,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:29:00,683 INFO L225 Difference]: With dead ends: 345 [2024-11-02 12:29:00,683 INFO L226 Difference]: Without dead ends: 345 [2024-11-02 12:29:00,683 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 [2024-11-02 12:29:00,684 INFO L432 NwaCegarLoop]: 268 mSDtfsCounter, 158 mSDsluCounter, 254 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 522 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-02 12:29:00,685 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [163 Valid, 522 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-02 12:29:00,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2024-11-02 12:29:00,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 313. [2024-11-02 12:29:00,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 313 states, 294 states have (on average 1.3231292517006803) internal successors, (389), 306 states have internal predecessors, (389), 15 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (13), 5 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-02 12:29:00,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 417 transitions. [2024-11-02 12:29:00,709 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 417 transitions. Word has length 13 [2024-11-02 12:29:00,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:29:00,720 INFO L471 AbstractCegarLoop]: Abstraction has 313 states and 417 transitions. [2024-11-02 12:29:00,720 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) [2024-11-02 12:29:00,721 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 417 transitions. [2024-11-02 12:29:00,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-02 12:29:00,721 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:29:00,721 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:29:00,728 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fef8711-67b8-4d84-84c7-0bce1555d2b6/bin/utaipan-verify-DbMuA5NWw2/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 [2024-11-02 12:29:00,922 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fef8711-67b8-4d84-84c7-0bce1555d2b6/bin/utaipan-verify-DbMuA5NWw2/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 [2024-11-02 12:29:00,922 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-02 12:29:00,923 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:29:00,923 INFO L85 PathProgramCache]: Analyzing trace with hash -2023074286, now seen corresponding path program 1 times [2024-11-02 12:29:00,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:29:00,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [124588772] [2024-11-02 12:29:00,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:29:00,924 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 [2024-11-02 12:29:00,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fef8711-67b8-4d84-84c7-0bce1555d2b6/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:29:00,927 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fef8711-67b8-4d84-84c7-0bce1555d2b6/bin/utaipan-verify-DbMuA5NWw2/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) [2024-11-02 12:29:00,929 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fef8711-67b8-4d84-84c7-0bce1555d2b6/bin/utaipan-verify-DbMuA5NWw2/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 [2024-11-02 12:29:01,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:29:01,126 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-02 12:29:01,128 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:29:01,160 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-02 12:29:01,161 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-02 12:29:01,162 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-02 12:29:01,173 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 [2024-11-02 12:29:01,266 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-02 12:29:01,266 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 [2024-11-02 12:29:01,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-02 12:29:01,294 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 12:29:01,294 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 12:29:01,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [124588772] [2024-11-02 12:29:01,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [124588772] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:29:01,295 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:29:01,295 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-02 12:29:01,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [787953832] [2024-11-02 12:29:01,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:29:01,296 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-02 12:29:01,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 12:29:01,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-02 12:29:01,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-02 12:29:01,297 INFO L87 Difference]: Start difference. First operand 313 states and 417 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) [2024-11-02 12:29:05,282 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-02 12:29:07,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:29:07,244 INFO L93 Difference]: Finished difference Result 427 states and 580 transitions. [2024-11-02 12:29:07,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-02 12:29:07,245 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 [2024-11-02 12:29:07,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:29:07,248 INFO L225 Difference]: With dead ends: 427 [2024-11-02 12:29:07,248 INFO L226 Difference]: Without dead ends: 427 [2024-11-02 12:29:07,249 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 [2024-11-02 12:29:07,250 INFO L432 NwaCegarLoop]: 248 mSDtfsCounter, 170 mSDsluCounter, 443 mSDsCounter, 0 mSdLazyCounter, 171 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 691 SdHoareTripleChecker+Invalid, 174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 171 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2024-11-02 12:29:07,251 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 691 Invalid, 174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 171 Invalid, 1 Unknown, 0 Unchecked, 5.9s Time] [2024-11-02 12:29:07,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 427 states. [2024-11-02 12:29:07,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 427 to 312. [2024-11-02 12:29:07,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 312 states, 293 states have (on average 1.3208191126279865) internal successors, (387), 305 states have internal predecessors, (387), 15 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (13), 5 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-02 12:29:07,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 415 transitions. [2024-11-02 12:29:07,278 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 415 transitions. Word has length 13 [2024-11-02 12:29:07,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:29:07,279 INFO L471 AbstractCegarLoop]: Abstraction has 312 states and 415 transitions. [2024-11-02 12:29:07,279 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) [2024-11-02 12:29:07,279 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 415 transitions. [2024-11-02 12:29:07,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-02 12:29:07,285 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:29:07,286 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] [2024-11-02 12:29:07,294 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fef8711-67b8-4d84-84c7-0bce1555d2b6/bin/utaipan-verify-DbMuA5NWw2/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 [2024-11-02 12:29:07,486 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fef8711-67b8-4d84-84c7-0bce1555d2b6/bin/utaipan-verify-DbMuA5NWw2/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 [2024-11-02 12:29:07,486 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-02 12:29:07,487 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:29:07,487 INFO L85 PathProgramCache]: Analyzing trace with hash 2040803695, now seen corresponding path program 1 times [2024-11-02 12:29:07,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:29:07,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [20216252] [2024-11-02 12:29:07,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:29:07,489 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 [2024-11-02 12:29:07,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fef8711-67b8-4d84-84c7-0bce1555d2b6/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:29:07,495 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fef8711-67b8-4d84-84c7-0bce1555d2b6/bin/utaipan-verify-DbMuA5NWw2/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) [2024-11-02 12:29:07,497 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fef8711-67b8-4d84-84c7-0bce1555d2b6/bin/utaipan-verify-DbMuA5NWw2/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 [2024-11-02 12:29:08,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:29:08,193 INFO L255 TraceCheckSpWp]: Trace formula consists of 501 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-02 12:29:08,202 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:29:08,249 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-02 12:29:08,249 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 12:29:08,249 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 12:29:08,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [20216252] [2024-11-02 12:29:08,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [20216252] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:29:08,250 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:29:08,250 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-02 12:29:08,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1619285090] [2024-11-02 12:29:08,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:29:08,251 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-02 12:29:08,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 12:29:08,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-02 12:29:08,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-02 12:29:08,253 INFO L87 Difference]: Start difference. First operand 312 states and 415 transitions. Second operand has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-02 12:29:08,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:29:08,458 INFO L93 Difference]: Finished difference Result 318 states and 405 transitions. [2024-11-02 12:29:08,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-02 12:29:08,459 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 84 [2024-11-02 12:29:08,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:29:08,461 INFO L225 Difference]: With dead ends: 318 [2024-11-02 12:29:08,461 INFO L226 Difference]: Without dead ends: 318 [2024-11-02 12:29:08,461 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-02 12:29:08,462 INFO L432 NwaCegarLoop]: 250 mSDtfsCounter, 30 mSDsluCounter, 481 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 731 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 [2024-11-02 12:29:08,463 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 731 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-02 12:29:08,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2024-11-02 12:29:08,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 318. [2024-11-02 12:29:08,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 318 states, 299 states have (on average 1.2608695652173914) internal successors, (377), 311 states have internal predecessors, (377), 15 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (13), 5 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-02 12:29:08,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 405 transitions. [2024-11-02 12:29:08,493 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 405 transitions. Word has length 84 [2024-11-02 12:29:08,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:29:08,493 INFO L471 AbstractCegarLoop]: Abstraction has 318 states and 405 transitions. [2024-11-02 12:29:08,494 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-02 12:29:08,494 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 405 transitions. [2024-11-02 12:29:08,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-02 12:29:08,500 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:29:08,500 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] [2024-11-02 12:29:08,515 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fef8711-67b8-4d84-84c7-0bce1555d2b6/bin/utaipan-verify-DbMuA5NWw2/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 [2024-11-02 12:29:08,701 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fef8711-67b8-4d84-84c7-0bce1555d2b6/bin/utaipan-verify-DbMuA5NWw2/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 [2024-11-02 12:29:08,704 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-02 12:29:08,707 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:29:08,707 INFO L85 PathProgramCache]: Analyzing trace with hash 2023992699, now seen corresponding path program 1 times [2024-11-02 12:29:08,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:29:08,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [144059183] [2024-11-02 12:29:08,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:29:08,709 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 [2024-11-02 12:29:08,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fef8711-67b8-4d84-84c7-0bce1555d2b6/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:29:08,716 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fef8711-67b8-4d84-84c7-0bce1555d2b6/bin/utaipan-verify-DbMuA5NWw2/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) [2024-11-02 12:29:08,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fef8711-67b8-4d84-84c7-0bce1555d2b6/bin/utaipan-verify-DbMuA5NWw2/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 [2024-11-02 12:29:09,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:29:09,369 INFO L255 TraceCheckSpWp]: Trace formula consists of 489 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-02 12:29:09,373 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:29:09,423 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-02 12:29:09,423 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 12:29:09,423 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 12:29:09,423 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [144059183] [2024-11-02 12:29:09,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [144059183] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:29:09,424 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:29:09,424 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-02 12:29:09,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941024369] [2024-11-02 12:29:09,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:29:09,425 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-02 12:29:09,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 12:29:09,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-02 12:29:09,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-02 12:29:09,426 INFO L87 Difference]: Start difference. First operand 318 states and 405 transitions. Second operand has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-02 12:29:09,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:29:09,484 INFO L93 Difference]: Finished difference Result 321 states and 409 transitions. [2024-11-02 12:29:09,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-02 12:29:09,485 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 84 [2024-11-02 12:29:09,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:29:09,487 INFO L225 Difference]: With dead ends: 321 [2024-11-02 12:29:09,488 INFO L226 Difference]: Without dead ends: 321 [2024-11-02 12:29:09,488 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-02 12:29:09,489 INFO L432 NwaCegarLoop]: 266 mSDtfsCounter, 0 mSDsluCounter, 528 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 794 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-02 12:29:09,490 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 794 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-02 12:29:09,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2024-11-02 12:29:09,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 321. [2024-11-02 12:29:09,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 321 states, 301 states have (on average 1.2624584717607974) internal successors, (380), 314 states have internal predecessors, (380), 15 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (14), 5 states have call predecessors, (14), 13 states have call successors, (14) [2024-11-02 12:29:09,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 321 states and 409 transitions. [2024-11-02 12:29:09,503 INFO L78 Accepts]: Start accepts. Automaton has 321 states and 409 transitions. Word has length 84 [2024-11-02 12:29:09,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:29:09,503 INFO L471 AbstractCegarLoop]: Abstraction has 321 states and 409 transitions. [2024-11-02 12:29:09,504 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-02 12:29:09,504 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 409 transitions. [2024-11-02 12:29:09,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-02 12:29:09,509 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:29:09,509 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:29:09,522 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fef8711-67b8-4d84-84c7-0bce1555d2b6/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2024-11-02 12:29:09,709 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fef8711-67b8-4d84-84c7-0bce1555d2b6/bin/utaipan-verify-DbMuA5NWw2/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 [2024-11-02 12:29:09,710 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-02 12:29:09,710 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:29:09,710 INFO L85 PathProgramCache]: Analyzing trace with hash -552381063, now seen corresponding path program 1 times [2024-11-02 12:29:09,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:29:09,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1014517473] [2024-11-02 12:29:09,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:29:09,712 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 [2024-11-02 12:29:09,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fef8711-67b8-4d84-84c7-0bce1555d2b6/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:29:09,715 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fef8711-67b8-4d84-84c7-0bce1555d2b6/bin/utaipan-verify-DbMuA5NWw2/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) [2024-11-02 12:29:09,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fef8711-67b8-4d84-84c7-0bce1555d2b6/bin/utaipan-verify-DbMuA5NWw2/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 [2024-11-02 12:29:10,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:29:10,302 INFO L255 TraceCheckSpWp]: Trace formula consists of 511 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-02 12:29:10,306 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:29:10,369 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-02 12:29:10,369 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-02 12:29:10,526 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-02 12:29:10,526 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 12:29:10,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1014517473] [2024-11-02 12:29:10,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1014517473] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-02 12:29:10,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [787364683] [2024-11-02 12:29:10,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:29:10,527 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-02 12:29:10,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fef8711-67b8-4d84-84c7-0bce1555d2b6/bin/utaipan-verify-DbMuA5NWw2/cvc4 [2024-11-02 12:29:10,531 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fef8711-67b8-4d84-84c7-0bce1555d2b6/bin/utaipan-verify-DbMuA5NWw2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-02 12:29:10,532 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fef8711-67b8-4d84-84c7-0bce1555d2b6/bin/utaipan-verify-DbMuA5NWw2/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-02 12:29:11,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:29:11,279 INFO L255 TraceCheckSpWp]: Trace formula consists of 511 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-02 12:29:11,282 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:29:11,609 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-02 12:29:11,609 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 12:29:11,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [787364683] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:29:11,610 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-02 12:29:11,610 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5, 5] total 10 [2024-11-02 12:29:11,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [643161665] [2024-11-02 12:29:11,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:29:11,611 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-02 12:29:11,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 12:29:11,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-02 12:29:11,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2024-11-02 12:29:11,612 INFO L87 Difference]: Start difference. First operand 321 states and 409 transitions. Second operand has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-02 12:29:14,099 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 [] [2024-11-02 12:29:16,106 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []