./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test8-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version 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_3c04e38d-dce6-4117-8b4b-617bd9b761de/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c04e38d-dce6-4117-8b4b-617bd9b761de/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c04e38d-dce6-4117-8b4b-617bd9b761de/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c04e38d-dce6-4117-8b4b-617bd9b761de/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test8-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c04e38d-dce6-4117-8b4b-617bd9b761de/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-MemCleanup-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c04e38d-dce6-4117-8b4b-617bd9b761de/bin/uautomizer-verify-4GaUIPS5ZU --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3b6a7e09bdf002daf4e1e371c35be311dd644a61b41d9b32022b9ee835751b90 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 21:56:39,678 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 21:56:39,780 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c04e38d-dce6-4117-8b4b-617bd9b761de/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-MemCleanup-32bit-Automizer_Default.epf [2024-10-31 21:56:39,788 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 21:56:39,789 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 21:56:39,827 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 21:56:39,828 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 21:56:39,829 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 21:56:39,829 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 21:56:39,830 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 21:56:39,830 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 21:56:39,830 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 21:56:39,831 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 21:56:39,832 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 21:56:39,832 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 21:56:39,833 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 21:56:39,833 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 21:56:39,839 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 21:56:39,840 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 21:56:39,840 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 21:56:39,840 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 21:56:39,841 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 21:56:39,841 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-10-31 21:56:39,842 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-10-31 21:56:39,842 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 21:56:39,850 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 21:56:39,851 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-31 21:56:39,851 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 21:56:39,852 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 21:56:39,852 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 21:56:39,853 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 21:56:39,853 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 21:56:39,854 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 21:56:39,854 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 21:56:39,856 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 21:56:39,856 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 21:56:39,857 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 21:56:39,857 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 21:56:39,858 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 21:56:39,858 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 21:56:39,858 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 21:56:39,861 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 21:56:39,862 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 21:56:39,862 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 21:56:39,863 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 21:56:39,863 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c04e38d-dce6-4117-8b4b-617bd9b761de/bin/uautomizer-verify-4GaUIPS5ZU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c04e38d-dce6-4117-8b4b-617bd9b761de/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3b6a7e09bdf002daf4e1e371c35be311dd644a61b41d9b32022b9ee835751b90 [2024-10-31 21:56:40,254 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 21:56:40,287 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 21:56:40,291 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 21:56:40,293 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 21:56:40,294 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 21:56:40,296 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c04e38d-dce6-4117-8b4b-617bd9b761de/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test8-1.i Unable to find full path for "g++" [2024-10-31 21:56:42,516 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 21:56:42,900 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 21:56:42,900 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c04e38d-dce6-4117-8b4b-617bd9b761de/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test8-1.i [2024-10-31 21:56:42,926 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c04e38d-dce6-4117-8b4b-617bd9b761de/bin/uautomizer-verify-4GaUIPS5ZU/data/7a4617b62/cf41aa7503e04e12a2874743da99df86/FLAG2c6833c3d [2024-10-31 21:56:42,939 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c04e38d-dce6-4117-8b4b-617bd9b761de/bin/uautomizer-verify-4GaUIPS5ZU/data/7a4617b62/cf41aa7503e04e12a2874743da99df86 [2024-10-31 21:56:42,941 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 21:56:42,943 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 21:56:42,944 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 21:56:42,945 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 21:56:42,950 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 21:56:42,951 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 09:56:42" (1/1) ... [2024-10-31 21:56:42,952 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@263a683 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:42, skipping insertion in model container [2024-10-31 21:56:42,952 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 09:56:42" (1/1) ... [2024-10-31 21:56:43,020 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 21:56:43,611 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 21:56:43,652 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 21:56:43,660 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 21:56:43,672 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 21:56:43,680 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 21:56:43,723 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 21:56:43,724 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 21:56:43,727 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 21:56:43,728 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 21:56:43,731 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 21:56:43,733 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 21:56:43,734 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 21:56:43,736 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 21:56:43,747 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 21:56:43,770 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) [2024-10-31 21:56:43,770 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4d493f7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:43, skipping insertion in model container [2024-10-31 21:56:43,771 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 21:56:43,771 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-10-31 21:56:43,775 INFO L158 Benchmark]: Toolchain (without parser) took 829.26ms. Allocated memory is still 157.3MB. Free memory was 121.6MB in the beginning and 98.1MB in the end (delta: 23.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-10-31 21:56:43,776 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 157.3MB. Free memory is still 125.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 21:56:43,777 INFO L158 Benchmark]: CACSL2BoogieTranslator took 826.65ms. Allocated memory is still 157.3MB. Free memory was 121.1MB in the beginning and 98.1MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-10-31 21:56:43,779 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 157.3MB. Free memory is still 125.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 826.65ms. Allocated memory is still 157.3MB. Free memory was 121.1MB in the beginning and 98.1MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 778]: Unsupported Syntax Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c04e38d-dce6-4117-8b4b-617bd9b761de/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c04e38d-dce6-4117-8b4b-617bd9b761de/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c04e38d-dce6-4117-8b4b-617bd9b761de/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c04e38d-dce6-4117-8b4b-617bd9b761de/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test8-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c04e38d-dce6-4117-8b4b-617bd9b761de/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c04e38d-dce6-4117-8b4b-617bd9b761de/bin/uautomizer-verify-4GaUIPS5ZU --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3b6a7e09bdf002daf4e1e371c35be311dd644a61b41d9b32022b9ee835751b90 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 21:56:46,461 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 21:56:46,564 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c04e38d-dce6-4117-8b4b-617bd9b761de/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf [2024-10-31 21:56:46,571 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 21:56:46,572 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 21:56:46,614 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 21:56:46,616 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 21:56:46,616 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 21:56:46,617 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 21:56:46,619 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 21:56:46,620 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 21:56:46,621 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 21:56:46,621 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 21:56:46,622 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 21:56:46,622 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 21:56:46,623 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 21:56:46,623 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 21:56:46,624 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 21:56:46,624 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 21:56:46,624 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 21:56:46,625 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 21:56:46,629 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 21:56:46,629 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-10-31 21:56:46,629 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-10-31 21:56:46,630 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 21:56:46,630 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 21:56:46,630 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-31 21:56:46,631 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-31 21:56:46,631 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 21:56:46,631 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-31 21:56:46,631 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 21:56:46,632 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 21:56:46,632 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 21:56:46,632 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 21:56:46,634 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 21:56:46,634 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 21:56:46,635 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 21:56:46,635 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 21:56:46,636 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 21:56:46,636 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 21:56:46,636 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 21:56:46,637 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-31 21:56:46,637 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-31 21:56:46,637 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 21:56:46,637 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 21:56:46,638 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 21:56:46,638 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 21:56:46,638 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-31 21:56:46,638 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c04e38d-dce6-4117-8b4b-617bd9b761de/bin/uautomizer-verify-4GaUIPS5ZU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c04e38d-dce6-4117-8b4b-617bd9b761de/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3b6a7e09bdf002daf4e1e371c35be311dd644a61b41d9b32022b9ee835751b90 [2024-10-31 21:56:47,029 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 21:56:47,062 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 21:56:47,065 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 21:56:47,067 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 21:56:47,067 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 21:56:47,069 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c04e38d-dce6-4117-8b4b-617bd9b761de/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test8-1.i Unable to find full path for "g++" [2024-10-31 21:56:49,476 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 21:56:49,820 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 21:56:49,824 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c04e38d-dce6-4117-8b4b-617bd9b761de/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test8-1.i [2024-10-31 21:56:49,849 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c04e38d-dce6-4117-8b4b-617bd9b761de/bin/uautomizer-verify-4GaUIPS5ZU/data/b5659f5b4/4e6d6e9b91544a3986740b110fd5bf10/FLAGb82eaaa65 [2024-10-31 21:56:49,874 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c04e38d-dce6-4117-8b4b-617bd9b761de/bin/uautomizer-verify-4GaUIPS5ZU/data/b5659f5b4/4e6d6e9b91544a3986740b110fd5bf10 [2024-10-31 21:56:49,877 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 21:56:49,881 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 21:56:49,885 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 21:56:49,886 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 21:56:49,893 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 21:56:49,894 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 09:56:49" (1/1) ... [2024-10-31 21:56:49,895 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21125944 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:49, skipping insertion in model container [2024-10-31 21:56:49,896 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 09:56:49" (1/1) ... [2024-10-31 21:56:50,007 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 21:56:50,597 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 21:56:50,636 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 21:56:50,648 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 21:56:50,654 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 21:56:50,665 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 21:56:50,705 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 21:56:50,705 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 21:56:50,708 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 21:56:50,709 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 21:56:50,712 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 21:56:50,714 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 21:56:50,715 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 21:56:50,716 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 21:56:50,732 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 21:56:50,758 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-10-31 21:56:50,789 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 21:56:50,846 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 21:56:50,891 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 21:56:50,897 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 21:56:50,901 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 21:56:50,910 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 21:56:50,957 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 21:56:50,958 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 21:56:50,961 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 21:56:50,962 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 21:56:50,968 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 21:56:50,970 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 21:56:50,971 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 21:56:50,972 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 21:56:50,987 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 21:56:50,993 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 21:56:51,097 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 21:56:51,139 INFO L204 MainTranslator]: Completed translation [2024-10-31 21:56:51,139 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:51 WrapperNode [2024-10-31 21:56:51,140 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 21:56:51,141 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 21:56:51,141 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 21:56:51,141 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 21:56:51,148 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:51" (1/1) ... [2024-10-31 21:56:51,184 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:51" (1/1) ... [2024-10-31 21:56:51,247 INFO L138 Inliner]: procedures = 180, calls = 291, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1018 [2024-10-31 21:56:51,247 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 21:56:51,248 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 21:56:51,248 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 21:56:51,248 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 21:56:51,260 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:51" (1/1) ... [2024-10-31 21:56:51,260 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:51" (1/1) ... [2024-10-31 21:56:51,284 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:51" (1/1) ... [2024-10-31 21:56:51,397 INFO L175 MemorySlicer]: Split 256 memory accesses to 3 slices as follows [2, 34, 220]. 86 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 54 writes are split as follows [0, 4, 50]. [2024-10-31 21:56:51,397 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:51" (1/1) ... [2024-10-31 21:56:51,397 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:51" (1/1) ... [2024-10-31 21:56:51,461 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:51" (1/1) ... [2024-10-31 21:56:51,485 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:51" (1/1) ... [2024-10-31 21:56:51,509 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:51" (1/1) ... [2024-10-31 21:56:51,522 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:51" (1/1) ... [2024-10-31 21:56:51,544 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 21:56:51,545 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 21:56:51,548 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 21:56:51,548 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 21:56:51,549 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:51" (1/1) ... [2024-10-31 21:56:51,565 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 21:56:51,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c04e38d-dce6-4117-8b4b-617bd9b761de/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:51,609 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c04e38d-dce6-4117-8b4b-617bd9b761de/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:51,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c04e38d-dce6-4117-8b4b-617bd9b761de/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 21:56:51,645 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-10-31 21:56:51,645 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-10-31 21:56:51,645 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-10-31 21:56:51,646 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-10-31 21:56:51,647 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-10-31 21:56:51,647 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-10-31 21:56:51,647 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-10-31 21:56:51,648 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-10-31 21:56:51,648 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-31 21:56:51,648 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-31 21:56:51,648 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-10-31 21:56:51,648 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-10-31 21:56:51,648 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-10-31 21:56:51,648 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-10-31 21:56:51,649 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-10-31 21:56:51,649 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-10-31 21:56:51,649 INFO L130 BoogieDeclarations]: Found specification of procedure test_int [2024-10-31 21:56:51,649 INFO L138 BoogieDeclarations]: Found implementation of procedure test_int [2024-10-31 21:56:51,649 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-31 21:56:51,649 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 21:56:51,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-31 21:56:51,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-31 21:56:51,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-31 21:56:51,650 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-31 21:56:51,650 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-31 21:56:51,650 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-31 21:56:51,650 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-31 21:56:51,651 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-31 21:56:51,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-10-31 21:56:51,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-10-31 21:56:51,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-10-31 21:56:51,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-10-31 21:56:51,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-10-31 21:56:51,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-10-31 21:56:51,653 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 21:56:51,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 21:56:51,951 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 21:56:51,953 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 21:57:00,668 INFO L? ?]: Removed 142 outVars from TransFormulas that were not future-live. [2024-10-31 21:57:00,668 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 21:57:00,694 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 21:57:00,696 INFO L316 CfgBuilder]: Removed 62 assume(true) statements. [2024-10-31 21:57:00,696 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 09:57:00 BoogieIcfgContainer [2024-10-31 21:57:00,697 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 21:57:00,699 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 21:57:00,699 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 21:57:00,702 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 21:57:00,703 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 09:56:49" (1/3) ... [2024-10-31 21:57:00,704 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3037309 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 09:57:00, skipping insertion in model container [2024-10-31 21:57:00,705 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:51" (2/3) ... [2024-10-31 21:57:00,705 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3037309 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 09:57:00, skipping insertion in model container [2024-10-31 21:57:00,706 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 09:57:00" (3/3) ... [2024-10-31 21:57:00,708 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_JEN_test8-1.i [2024-10-31 21:57:00,727 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 21:57:00,728 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-10-31 21:57:00,794 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 21:57:00,802 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@7ac6eb0d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 21:57:00,802 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-10-31 21:57:00,808 INFO L276 IsEmpty]: Start isEmpty. Operand has 237 states, 208 states have (on average 1.6682692307692308) internal successors, (347), 227 states have internal predecessors, (347), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 8 states have call predecessors, (22), 22 states have call successors, (22) [2024-10-31 21:57:00,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-10-31 21:57:00,815 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:57:00,816 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:57:00,816 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-10-31 21:57:00,822 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:57:00,822 INFO L85 PathProgramCache]: Analyzing trace with hash -1628734314, now seen corresponding path program 1 times [2024-10-31 21:57:00,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-31 21:57:00,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1933238726] [2024-10-31 21:57:00,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:57:00,838 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 [2024-10-31 21:57:00,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c04e38d-dce6-4117-8b4b-617bd9b761de/bin/uautomizer-verify-4GaUIPS5ZU/mathsat [2024-10-31 21:57:00,842 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c04e38d-dce6-4117-8b4b-617bd9b761de/bin/uautomizer-verify-4GaUIPS5ZU/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) [2024-10-31 21:57:00,848 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c04e38d-dce6-4117-8b4b-617bd9b761de/bin/uautomizer-verify-4GaUIPS5ZU/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 [2024-10-31 21:57:01,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:57:01,102 INFO L255 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-10-31 21:57:01,108 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:57:01,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:57:01,116 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 21:57:01,116 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-31 21:57:01,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1933238726] [2024-10-31 21:57:01,117 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1933238726] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:57:01,119 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:57:01,119 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 21:57:01,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004606156] [2024-10-31 21:57:01,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:57:01,126 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-31 21:57:01,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-31 21:57:01,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-31 21:57:01,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-31 21:57:01,204 INFO L87 Difference]: Start difference. First operand has 237 states, 208 states have (on average 1.6682692307692308) internal successors, (347), 227 states have internal predecessors, (347), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 8 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:57:01,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:57:01,270 INFO L93 Difference]: Finished difference Result 235 states and 320 transitions. [2024-10-31 21:57:01,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-31 21:57:01,301 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-10-31 21:57:01,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 21:57:01,324 INFO L225 Difference]: With dead ends: 235 [2024-10-31 21:57:01,324 INFO L226 Difference]: Without dead ends: 233 [2024-10-31 21:57:01,326 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-31 21:57:01,330 INFO L432 NwaCegarLoop]: 320 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, 320 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 [2024-10-31 21:57:01,332 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 320 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 21:57:01,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2024-10-31 21:57:01,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 233. [2024-10-31 21:57:01,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 233 states, 206 states have (on average 1.3398058252427185) internal successors, (276), 223 states have internal predecessors, (276), 22 states have call successors, (22), 4 states have call predecessors, (22), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) [2024-10-31 21:57:01,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 318 transitions. [2024-10-31 21:57:01,425 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 318 transitions. Word has length 7 [2024-10-31 21:57:01,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 21:57:01,425 INFO L471 AbstractCegarLoop]: Abstraction has 233 states and 318 transitions. [2024-10-31 21:57:01,425 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:57:01,425 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 318 transitions. [2024-10-31 21:57:01,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-10-31 21:57:01,426 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:57:01,426 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:57:01,432 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c04e38d-dce6-4117-8b4b-617bd9b761de/bin/uautomizer-verify-4GaUIPS5ZU/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-10-31 21:57:01,628 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c04e38d-dce6-4117-8b4b-617bd9b761de/bin/uautomizer-verify-4GaUIPS5ZU/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 [2024-10-31 21:57:01,629 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-10-31 21:57:01,630 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:57:01,630 INFO L85 PathProgramCache]: Analyzing trace with hash 1529756569, now seen corresponding path program 1 times [2024-10-31 21:57:01,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-31 21:57:01,631 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1970653281] [2024-10-31 21:57:01,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:57:01,631 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 [2024-10-31 21:57:01,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c04e38d-dce6-4117-8b4b-617bd9b761de/bin/uautomizer-verify-4GaUIPS5ZU/mathsat [2024-10-31 21:57:01,634 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c04e38d-dce6-4117-8b4b-617bd9b761de/bin/uautomizer-verify-4GaUIPS5ZU/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) [2024-10-31 21:57:01,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c04e38d-dce6-4117-8b4b-617bd9b761de/bin/uautomizer-verify-4GaUIPS5ZU/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 [2024-10-31 21:57:01,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:57:01,878 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-31 21:57:01,881 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:57:01,916 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-31 21:57:01,917 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-31 21:57:01,918 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-31 21:57:01,930 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 [2024-10-31 21:57:02,081 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-31 21:57:02,084 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 [2024-10-31 21:57:02,146 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:57:02,146 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 21:57:02,146 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-31 21:57:02,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1970653281] [2024-10-31 21:57:02,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1970653281] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:57:02,147 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:57:02,147 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-31 21:57:02,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066686940] [2024-10-31 21:57:02,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:57:02,154 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 21:57:02,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-31 21:57:02,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 21:57:02,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-31 21:57:02,160 INFO L87 Difference]: Start difference. First operand 233 states and 318 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:57:03,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:57:03,299 INFO L93 Difference]: Finished difference Result 415 states and 557 transitions. [2024-10-31 21:57:03,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-31 21:57:03,300 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2024-10-31 21:57:03,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 21:57:03,304 INFO L225 Difference]: With dead ends: 415 [2024-10-31 21:57:03,305 INFO L226 Difference]: Without dead ends: 415 [2024-10-31 21:57:03,305 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-31 21:57:03,307 INFO L432 NwaCegarLoop]: 325 mSDtfsCounter, 225 mSDsluCounter, 614 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 230 SdHoareTripleChecker+Valid, 939 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-31 21:57:03,308 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [230 Valid, 939 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-31 21:57:03,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 415 states. [2024-10-31 21:57:03,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 415 to 235. [2024-10-31 21:57:03,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 235 states, 208 states have (on average 1.3365384615384615) internal successors, (278), 225 states have internal predecessors, (278), 22 states have call successors, (22), 4 states have call predecessors, (22), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) [2024-10-31 21:57:03,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 320 transitions. [2024-10-31 21:57:03,338 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 320 transitions. Word has length 9 [2024-10-31 21:57:03,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 21:57:03,338 INFO L471 AbstractCegarLoop]: Abstraction has 235 states and 320 transitions. [2024-10-31 21:57:03,339 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:57:03,339 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 320 transitions. [2024-10-31 21:57:03,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-10-31 21:57:03,342 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:57:03,342 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:57:03,349 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c04e38d-dce6-4117-8b4b-617bd9b761de/bin/uautomizer-verify-4GaUIPS5ZU/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)] Forceful destruction successful, exit code 0 [2024-10-31 21:57:03,543 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c04e38d-dce6-4117-8b4b-617bd9b761de/bin/uautomizer-verify-4GaUIPS5ZU/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 [2024-10-31 21:57:03,544 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-10-31 21:57:03,545 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:57:03,545 INFO L85 PathProgramCache]: Analyzing trace with hash -1164520091, now seen corresponding path program 1 times [2024-10-31 21:57:03,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-31 21:57:03,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [558077867] [2024-10-31 21:57:03,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:57:03,553 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 [2024-10-31 21:57:03,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c04e38d-dce6-4117-8b4b-617bd9b761de/bin/uautomizer-verify-4GaUIPS5ZU/mathsat [2024-10-31 21:57:03,555 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c04e38d-dce6-4117-8b4b-617bd9b761de/bin/uautomizer-verify-4GaUIPS5ZU/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) [2024-10-31 21:57:03,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c04e38d-dce6-4117-8b4b-617bd9b761de/bin/uautomizer-verify-4GaUIPS5ZU/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 [2024-10-31 21:57:04,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:57:04,123 INFO L255 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-31 21:57:04,129 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:57:04,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:57:04,209 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 21:57:04,209 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-31 21:57:04,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [558077867] [2024-10-31 21:57:04,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [558077867] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:57:04,209 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:57:04,209 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-31 21:57:04,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2125744663] [2024-10-31 21:57:04,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:57:04,212 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 21:57:04,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-31 21:57:04,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 21:57:04,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-31 21:57:04,214 INFO L87 Difference]: Start difference. First operand 235 states and 320 transitions. Second operand has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:57:04,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:57:04,473 INFO L93 Difference]: Finished difference Result 238 states and 315 transitions. [2024-10-31 21:57:04,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-31 21:57:04,474 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2024-10-31 21:57:04,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 21:57:04,475 INFO L225 Difference]: With dead ends: 238 [2024-10-31 21:57:04,475 INFO L226 Difference]: Without dead ends: 238 [2024-10-31 21:57:04,476 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-31 21:57:04,476 INFO L432 NwaCegarLoop]: 288 mSDtfsCounter, 30 mSDsluCounter, 557 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 845 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 [2024-10-31 21:57:04,477 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 845 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-31 21:57:04,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2024-10-31 21:57:04,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 238. [2024-10-31 21:57:04,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 238 states, 211 states have (on average 1.2938388625592416) internal successors, (273), 228 states have internal predecessors, (273), 22 states have call successors, (22), 4 states have call predecessors, (22), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) [2024-10-31 21:57:04,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 315 transitions. [2024-10-31 21:57:04,511 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 315 transitions. Word has length 67 [2024-10-31 21:57:04,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 21:57:04,511 INFO L471 AbstractCegarLoop]: Abstraction has 238 states and 315 transitions. [2024-10-31 21:57:04,511 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:57:04,511 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 315 transitions. [2024-10-31 21:57:04,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-10-31 21:57:04,513 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:57:04,513 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:57:04,524 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c04e38d-dce6-4117-8b4b-617bd9b761de/bin/uautomizer-verify-4GaUIPS5ZU/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 [2024-10-31 21:57:04,716 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c04e38d-dce6-4117-8b4b-617bd9b761de/bin/uautomizer-verify-4GaUIPS5ZU/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 [2024-10-31 21:57:04,717 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-10-31 21:57:04,717 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:57:04,717 INFO L85 PathProgramCache]: Analyzing trace with hash -1186406695, now seen corresponding path program 1 times [2024-10-31 21:57:04,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-31 21:57:04,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1884106612] [2024-10-31 21:57:04,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:57:04,719 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 [2024-10-31 21:57:04,719 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c04e38d-dce6-4117-8b4b-617bd9b761de/bin/uautomizer-verify-4GaUIPS5ZU/mathsat [2024-10-31 21:57:04,727 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c04e38d-dce6-4117-8b4b-617bd9b761de/bin/uautomizer-verify-4GaUIPS5ZU/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) [2024-10-31 21:57:04,735 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c04e38d-dce6-4117-8b4b-617bd9b761de/bin/uautomizer-verify-4GaUIPS5ZU/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 [2024-10-31 21:57:05,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:57:05,265 INFO L255 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-31 21:57:05,269 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:57:05,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:57:05,519 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 21:57:05,519 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-31 21:57:05,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1884106612] [2024-10-31 21:57:05,520 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1884106612] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:57:05,521 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:57:05,521 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 21:57:05,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1876063542] [2024-10-31 21:57:05,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:57:05,525 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-31 21:57:05,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-31 21:57:05,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-31 21:57:05,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-31 21:57:05,526 INFO L87 Difference]: Start difference. First operand 238 states and 315 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:57:05,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:57:05,722 INFO L93 Difference]: Finished difference Result 232 states and 305 transitions. [2024-10-31 21:57:05,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-31 21:57:05,723 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2024-10-31 21:57:05,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 21:57:05,727 INFO L225 Difference]: With dead ends: 232 [2024-10-31 21:57:05,727 INFO L226 Difference]: Without dead ends: 232 [2024-10-31 21:57:05,728 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-31 21:57:05,732 INFO L432 NwaCegarLoop]: 287 mSDtfsCounter, 0 mSDsluCounter, 831 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1118 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-31 21:57:05,732 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1118 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-31 21:57:05,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2024-10-31 21:57:05,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 232. [2024-10-31 21:57:05,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 232 states, 205 states have (on average 1.2829268292682927) internal successors, (263), 222 states have internal predecessors, (263), 22 states have call successors, (22), 4 states have call predecessors, (22), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) [2024-10-31 21:57:05,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 305 transitions. [2024-10-31 21:57:05,754 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 305 transitions. Word has length 67 [2024-10-31 21:57:05,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 21:57:05,754 INFO L471 AbstractCegarLoop]: Abstraction has 232 states and 305 transitions. [2024-10-31 21:57:05,754 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:57:05,754 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 305 transitions. [2024-10-31 21:57:05,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-10-31 21:57:05,759 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:57:05,759 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:57:05,768 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c04e38d-dce6-4117-8b4b-617bd9b761de/bin/uautomizer-verify-4GaUIPS5ZU/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 [2024-10-31 21:57:05,960 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c04e38d-dce6-4117-8b4b-617bd9b761de/bin/uautomizer-verify-4GaUIPS5ZU/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 [2024-10-31 21:57:05,960 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-10-31 21:57:05,961 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:57:05,961 INFO L85 PathProgramCache]: Analyzing trace with hash -792039909, now seen corresponding path program 1 times [2024-10-31 21:57:05,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-31 21:57:05,962 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2037384018] [2024-10-31 21:57:05,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:57:05,962 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 [2024-10-31 21:57:05,962 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c04e38d-dce6-4117-8b4b-617bd9b761de/bin/uautomizer-verify-4GaUIPS5ZU/mathsat [2024-10-31 21:57:05,965 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c04e38d-dce6-4117-8b4b-617bd9b761de/bin/uautomizer-verify-4GaUIPS5ZU/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) [2024-10-31 21:57:05,973 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c04e38d-dce6-4117-8b4b-617bd9b761de/bin/uautomizer-verify-4GaUIPS5ZU/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 [2024-10-31 21:57:06,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:57:06,458 INFO L255 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-31 21:57:06,462 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:57:07,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:57:07,012 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 21:57:07,012 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-31 21:57:07,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2037384018] [2024-10-31 21:57:07,013 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2037384018] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:57:07,013 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:57:07,013 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 21:57:07,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1619690222] [2024-10-31 21:57:07,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:57:07,014 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 21:57:07,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-31 21:57:07,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 21:57:07,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 21:57:07,015 INFO L87 Difference]: Start difference. First operand 232 states and 305 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:57:07,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:57:07,832 INFO L93 Difference]: Finished difference Result 341 states and 436 transitions. [2024-10-31 21:57:07,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 21:57:07,833 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2024-10-31 21:57:07,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 21:57:07,835 INFO L225 Difference]: With dead ends: 341 [2024-10-31 21:57:07,835 INFO L226 Difference]: Without dead ends: 341 [2024-10-31 21:57:07,836 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 21:57:07,840 INFO L432 NwaCegarLoop]: 347 mSDtfsCounter, 89 mSDsluCounter, 280 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 627 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-31 21:57:07,840 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 627 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-31 21:57:07,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states. [2024-10-31 21:57:07,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 336. [2024-10-31 21:57:07,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 336 states, 308 states have (on average 1.2597402597402598) internal successors, (388), 325 states have internal predecessors, (388), 23 states have call successors, (23), 4 states have call predecessors, (23), 3 states have return successors, (21), 7 states have call predecessors, (21), 21 states have call successors, (21) [2024-10-31 21:57:07,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 336 states and 432 transitions. [2024-10-31 21:57:07,856 INFO L78 Accepts]: Start accepts. Automaton has 336 states and 432 transitions. Word has length 67 [2024-10-31 21:57:07,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 21:57:07,856 INFO L471 AbstractCegarLoop]: Abstraction has 336 states and 432 transitions. [2024-10-31 21:57:07,856 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:57:07,856 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 432 transitions. [2024-10-31 21:57:07,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-10-31 21:57:07,858 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:57:07,858 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:57:07,869 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c04e38d-dce6-4117-8b4b-617bd9b761de/bin/uautomizer-verify-4GaUIPS5ZU/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2024-10-31 21:57:08,059 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c04e38d-dce6-4117-8b4b-617bd9b761de/bin/uautomizer-verify-4GaUIPS5ZU/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 [2024-10-31 21:57:08,059 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-10-31 21:57:08,059 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:57:08,060 INFO L85 PathProgramCache]: Analyzing trace with hash -175733518, now seen corresponding path program 1 times [2024-10-31 21:57:08,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-31 21:57:08,061 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [283629201] [2024-10-31 21:57:08,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:57:08,061 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 [2024-10-31 21:57:08,061 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c04e38d-dce6-4117-8b4b-617bd9b761de/bin/uautomizer-verify-4GaUIPS5ZU/mathsat [2024-10-31 21:57:08,064 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c04e38d-dce6-4117-8b4b-617bd9b761de/bin/uautomizer-verify-4GaUIPS5ZU/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) [2024-10-31 21:57:08,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c04e38d-dce6-4117-8b4b-617bd9b761de/bin/uautomizer-verify-4GaUIPS5ZU/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 [2024-10-31 21:57:08,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:57:08,587 INFO L255 TraceCheckSpWp]: Trace formula consists of 454 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-31 21:57:08,591 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:57:08,655 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:57:08,655 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 21:57:08,656 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-31 21:57:08,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [283629201] [2024-10-31 21:57:08,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [283629201] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:57:08,656 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:57:08,656 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-31 21:57:08,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710942862] [2024-10-31 21:57:08,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:57:08,657 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 21:57:08,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-31 21:57:08,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 21:57:08,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-31 21:57:08,662 INFO L87 Difference]: Start difference. First operand 336 states and 432 transitions. Second operand has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-31 21:57:08,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:57:08,726 INFO L93 Difference]: Finished difference Result 339 states and 436 transitions. [2024-10-31 21:57:08,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-31 21:57:08,728 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 82 [2024-10-31 21:57:08,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 21:57:08,730 INFO L225 Difference]: With dead ends: 339 [2024-10-31 21:57:08,730 INFO L226 Difference]: Without dead ends: 339 [2024-10-31 21:57:08,731 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-31 21:57:08,734 INFO L432 NwaCegarLoop]: 300 mSDtfsCounter, 0 mSDsluCounter, 596 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 896 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 21:57:08,735 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 896 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 21:57:08,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2024-10-31 21:57:08,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 339. [2024-10-31 21:57:08,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 339 states, 310 states have (on average 1.261290322580645) internal successors, (391), 328 states have internal predecessors, (391), 23 states have call successors, (23), 4 states have call predecessors, (23), 4 states have return successors, (22), 7 states have call predecessors, (22), 21 states have call successors, (22) [2024-10-31 21:57:08,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 339 states and 436 transitions. [2024-10-31 21:57:08,746 INFO L78 Accepts]: Start accepts. Automaton has 339 states and 436 transitions. Word has length 82 [2024-10-31 21:57:08,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 21:57:08,746 INFO L471 AbstractCegarLoop]: Abstraction has 339 states and 436 transitions. [2024-10-31 21:57:08,746 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-31 21:57:08,758 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 436 transitions. [2024-10-31 21:57:08,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-10-31 21:57:08,760 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:57:08,760 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] [2024-10-31 21:57:08,772 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c04e38d-dce6-4117-8b4b-617bd9b761de/bin/uautomizer-verify-4GaUIPS5ZU/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2024-10-31 21:57:08,960 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c04e38d-dce6-4117-8b4b-617bd9b761de/bin/uautomizer-verify-4GaUIPS5ZU/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 [2024-10-31 21:57:08,961 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-10-31 21:57:08,961 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:57:08,962 INFO L85 PathProgramCache]: Analyzing trace with hash 796595184, now seen corresponding path program 1 times [2024-10-31 21:57:08,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-31 21:57:08,962 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1072198372] [2024-10-31 21:57:08,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:57:08,963 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 [2024-10-31 21:57:08,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c04e38d-dce6-4117-8b4b-617bd9b761de/bin/uautomizer-verify-4GaUIPS5ZU/mathsat [2024-10-31 21:57:08,966 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c04e38d-dce6-4117-8b4b-617bd9b761de/bin/uautomizer-verify-4GaUIPS5ZU/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) [2024-10-31 21:57:08,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c04e38d-dce6-4117-8b4b-617bd9b761de/bin/uautomizer-verify-4GaUIPS5ZU/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2024-10-31 21:57:09,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:57:09,540 INFO L255 TraceCheckSpWp]: Trace formula consists of 476 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-31 21:57:09,544 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:57:09,625 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-31 21:57:09,625 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 21:57:09,835 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-31 21:57:09,836 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-31 21:57:09,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1072198372] [2024-10-31 21:57:09,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1072198372] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 21:57:09,836 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-31 21:57:09,836 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-10-31 21:57:09,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788255355] [2024-10-31 21:57:09,837 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-31 21:57:09,839 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-31 21:57:09,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-31 21:57:09,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-31 21:57:09,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-10-31 21:57:09,840 INFO L87 Difference]: Start difference. First operand 339 states and 436 transitions. Second operand has 8 states, 8 states have (on average 10.625) internal successors, (85), 8 states have internal predecessors, (85), 2 states have call successors, (6), 2 states have call predecessors, (6), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-31 21:57:10,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:57:10,160 INFO L93 Difference]: Finished difference Result 350 states and 452 transitions. [2024-10-31 21:57:10,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-31 21:57:10,161 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.625) internal successors, (85), 8 states have internal predecessors, (85), 2 states have call successors, (6), 2 states have call predecessors, (6), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 84 [2024-10-31 21:57:10,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 21:57:10,163 INFO L225 Difference]: With dead ends: 350 [2024-10-31 21:57:10,163 INFO L226 Difference]: Without dead ends: 350 [2024-10-31 21:57:10,164 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=44, Invalid=66, Unknown=0, NotChecked=0, Total=110 [2024-10-31 21:57:10,164 INFO L432 NwaCegarLoop]: 300 mSDtfsCounter, 4 mSDsluCounter, 894 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 1194 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-31 21:57:10,165 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 1194 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-31 21:57:10,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2024-10-31 21:57:10,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 348. [2024-10-31 21:57:10,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 348 states, 318 states have (on average 1.2735849056603774) internal successors, (405), 336 states have internal predecessors, (405), 23 states have call successors, (23), 5 states have call predecessors, (23), 5 states have return successors, (22), 7 states have call predecessors, (22), 21 states have call successors, (22) [2024-10-31 21:57:10,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 450 transitions. [2024-10-31 21:57:10,175 INFO L78 Accepts]: Start accepts. Automaton has 348 states and 450 transitions. Word has length 84 [2024-10-31 21:57:10,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 21:57:10,176 INFO L471 AbstractCegarLoop]: Abstraction has 348 states and 450 transitions. [2024-10-31 21:57:10,176 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.625) internal successors, (85), 8 states have internal predecessors, (85), 2 states have call successors, (6), 2 states have call predecessors, (6), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-31 21:57:10,176 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 450 transitions. [2024-10-31 21:57:10,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-10-31 21:57:10,178 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:57:10,178 INFO L215 NwaCegarLoop]: trace histogram [6, 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] [2024-10-31 21:57:10,190 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c04e38d-dce6-4117-8b4b-617bd9b761de/bin/uautomizer-verify-4GaUIPS5ZU/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Ended with exit code 0 [2024-10-31 21:57:10,378 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c04e38d-dce6-4117-8b4b-617bd9b761de/bin/uautomizer-verify-4GaUIPS5ZU/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 [2024-10-31 21:57:10,379 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-10-31 21:57:10,379 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:57:10,380 INFO L85 PathProgramCache]: Analyzing trace with hash 1063743762, now seen corresponding path program 2 times [2024-10-31 21:57:10,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-31 21:57:10,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [673221245] [2024-10-31 21:57:10,381 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-31 21:57:10,381 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 [2024-10-31 21:57:10,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c04e38d-dce6-4117-8b4b-617bd9b761de/bin/uautomizer-verify-4GaUIPS5ZU/mathsat [2024-10-31 21:57:10,384 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c04e38d-dce6-4117-8b4b-617bd9b761de/bin/uautomizer-verify-4GaUIPS5ZU/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) [2024-10-31 21:57:10,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c04e38d-dce6-4117-8b4b-617bd9b761de/bin/uautomizer-verify-4GaUIPS5ZU/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2024-10-31 21:57:11,532 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-31 21:57:11,533 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-31 21:57:11,559 INFO L255 TraceCheckSpWp]: Trace formula consists of 520 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-31 21:57:11,573 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:57:11,725 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 18 proven. 10 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-31 21:57:11,726 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 21:57:12,124 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-31 21:57:12,125 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-31 21:57:12,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [673221245] [2024-10-31 21:57:12,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [673221245] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 21:57:12,125 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-31 21:57:12,126 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2024-10-31 21:57:12,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1465522970] [2024-10-31 21:57:12,126 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-31 21:57:12,127 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-31 21:57:12,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-31 21:57:12,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-31 21:57:12,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2024-10-31 21:57:12,128 INFO L87 Difference]: Start difference. First operand 348 states and 450 transitions. Second operand has 14 states, 14 states have (on average 6.5) internal successors, (91), 14 states have internal predecessors, (91), 2 states have call successors, (6), 2 states have call predecessors, (6), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4)