./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test8-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e3561-4a34-4012-8903-07f42a780270/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e3561-4a34-4012-8903-07f42a780270/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e3561-4a34-4012-8903-07f42a780270/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e3561-4a34-4012-8903-07f42a780270/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test8-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e3561-4a34-4012-8903-07f42a780270/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-MemCleanup-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e3561-4a34-4012-8903-07f42a780270/bin/uautomizer-verify-aQ6SnzHsRB --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 b6c6a722152c52daf4f5e799c877f12032a99023b4a9ea1a935c1ce634969e85 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 20:25:24,191 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 20:25:24,289 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e3561-4a34-4012-8903-07f42a780270/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-MemCleanup-32bit-Automizer_Default.epf [2024-11-27 20:25:24,303 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 20:25:24,304 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 20:25:24,334 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 20:25:24,335 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 20:25:24,335 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 20:25:24,335 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-27 20:25:24,336 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-27 20:25:24,336 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 20:25:24,336 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 20:25:24,336 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 20:25:24,336 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 20:25:24,337 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 20:25:24,337 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 20:25:24,337 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-27 20:25:24,337 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-27 20:25:24,337 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-27 20:25:24,337 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-27 20:25:24,338 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 20:25:24,338 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-27 20:25:24,338 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-27 20:25:24,338 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-27 20:25:24,338 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 20:25:24,338 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-27 20:25:24,339 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-27 20:25:24,339 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-27 20:25:24,339 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-27 20:25:24,339 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 20:25:24,339 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 20:25:24,339 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 20:25:24,339 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-27 20:25:24,340 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:25:24,340 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 20:25:24,340 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 20:25:24,340 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:25:24,340 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 20:25:24,340 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:25:24,340 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 20:25:24,340 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 20:25:24,341 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:25:24,341 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 20:25:24,341 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 20:25:24,341 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-27 20:25:24,341 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-27 20:25:24,341 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 20:25:24,341 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-27 20:25:24,341 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-27 20:25:24,341 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-27 20:25:24,341 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_ba0e3561-4a34-4012-8903-07f42a780270/bin/uautomizer-verify-aQ6SnzHsRB 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 -> b6c6a722152c52daf4f5e799c877f12032a99023b4a9ea1a935c1ce634969e85 [2024-11-27 20:25:24,677 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 20:25:24,689 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 20:25:24,694 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 20:25:24,695 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 20:25:24,695 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 20:25:24,697 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e3561-4a34-4012-8903-07f42a780270/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test8-1.i [2024-11-27 20:25:27,793 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e3561-4a34-4012-8903-07f42a780270/bin/uautomizer-verify-aQ6SnzHsRB/data/47fc32a38/384c945ab77a4c10bbb9099910b9b428/FLAG9d83525eb [2024-11-27 20:25:28,146 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 20:25:28,147 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e3561-4a34-4012-8903-07f42a780270/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test8-1.i [2024-11-27 20:25:28,169 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e3561-4a34-4012-8903-07f42a780270/bin/uautomizer-verify-aQ6SnzHsRB/data/47fc32a38/384c945ab77a4c10bbb9099910b9b428/FLAG9d83525eb [2024-11-27 20:25:28,186 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e3561-4a34-4012-8903-07f42a780270/bin/uautomizer-verify-aQ6SnzHsRB/data/47fc32a38/384c945ab77a4c10bbb9099910b9b428 [2024-11-27 20:25:28,188 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 20:25:28,190 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 20:25:28,192 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 20:25:28,192 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 20:25:28,197 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 20:25:28,198 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:25:28" (1/1) ... [2024-11-27 20:25:28,199 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@307759f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:25:28, skipping insertion in model container [2024-11-27 20:25:28,200 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:25:28" (1/1) ... [2024-11-27 20:25:28,260 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 20:25:28,735 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-27 20:25:28,783 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-27 20:25:28,788 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-27 20:25:28,792 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-27 20:25:28,800 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-27 20:25:28,841 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-27 20:25:28,842 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-27 20:25:28,845 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-27 20:25:28,845 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-27 20:25:28,852 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-27 20:25:28,854 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-27 20:25:28,859 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-27 20:25:28,864 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-27 20:25:28,880 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:25:28,908 ERROR L321 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2024-11-27 20:25:28,909 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6e6ab8df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:25:28, skipping insertion in model container [2024-11-27 20:25:28,909 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 20:25:28,910 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-11-27 20:25:28,912 INFO L158 Benchmark]: Toolchain (without parser) took 720.80ms. Allocated memory is still 117.4MB. Free memory was 90.6MB in the beginning and 71.1MB in the end (delta: 19.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-27 20:25:28,912 INFO L158 Benchmark]: CDTParser took 0.79ms. Allocated memory is still 117.4MB. Free memory is still 73.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:25:28,913 INFO L158 Benchmark]: CACSL2BoogieTranslator took 717.67ms. Allocated memory is still 117.4MB. Free memory was 90.3MB in the beginning and 71.1MB in the end (delta: 19.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-27 20:25:28,917 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.79ms. Allocated memory is still 117.4MB. Free memory is still 73.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 717.67ms. Allocated memory is still 117.4MB. Free memory was 90.3MB in the beginning and 71.1MB in the end (delta: 19.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 778]: Unsupported Syntax Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e3561-4a34-4012-8903-07f42a780270/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e3561-4a34-4012-8903-07f42a780270/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e3561-4a34-4012-8903-07f42a780270/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e3561-4a34-4012-8903-07f42a780270/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test8-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e3561-4a34-4012-8903-07f42a780270/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e3561-4a34-4012-8903-07f42a780270/bin/uautomizer-verify-aQ6SnzHsRB --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 b6c6a722152c52daf4f5e799c877f12032a99023b4a9ea1a935c1ce634969e85 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 20:25:31,645 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 20:25:31,759 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e3561-4a34-4012-8903-07f42a780270/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf [2024-11-27 20:25:31,766 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 20:25:31,766 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 20:25:31,811 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 20:25:31,813 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 20:25:31,813 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 20:25:31,814 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-27 20:25:31,814 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-27 20:25:31,815 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 20:25:31,815 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 20:25:31,816 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 20:25:31,816 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 20:25:31,817 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 20:25:31,817 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 20:25:31,817 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-27 20:25:31,818 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-27 20:25:31,818 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-27 20:25:31,818 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-27 20:25:31,818 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 20:25:31,818 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-27 20:25:31,818 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-27 20:25:31,818 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-27 20:25:31,818 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 20:25:31,819 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-27 20:25:31,819 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-27 20:25:31,819 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-27 20:25:31,819 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-27 20:25:31,819 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-27 20:25:31,820 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-27 20:25:31,820 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 20:25:31,820 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 20:25:31,820 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 20:25:31,820 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-27 20:25:31,821 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:25:31,821 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 20:25:31,821 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 20:25:31,821 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:25:31,821 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 20:25:31,821 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:25:31,822 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 20:25:31,822 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 20:25:31,822 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:25:31,822 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 20:25:31,823 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 20:25:31,823 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-27 20:25:31,823 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-27 20:25:31,823 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 20:25:31,823 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-27 20:25:31,823 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-27 20:25:31,824 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-27 20:25:31,824 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_ba0e3561-4a34-4012-8903-07f42a780270/bin/uautomizer-verify-aQ6SnzHsRB 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 -> b6c6a722152c52daf4f5e799c877f12032a99023b4a9ea1a935c1ce634969e85 [2024-11-27 20:25:32,162 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 20:25:32,172 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 20:25:32,175 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 20:25:32,178 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 20:25:32,178 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 20:25:32,179 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e3561-4a34-4012-8903-07f42a780270/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test8-1.i [2024-11-27 20:25:35,204 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e3561-4a34-4012-8903-07f42a780270/bin/uautomizer-verify-aQ6SnzHsRB/data/2d7a6e8dd/6ef44285288b4411b8f138704b48074f/FLAG824d9210f [2024-11-27 20:25:35,625 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 20:25:35,626 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e3561-4a34-4012-8903-07f42a780270/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test8-1.i [2024-11-27 20:25:35,651 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e3561-4a34-4012-8903-07f42a780270/bin/uautomizer-verify-aQ6SnzHsRB/data/2d7a6e8dd/6ef44285288b4411b8f138704b48074f/FLAG824d9210f [2024-11-27 20:25:35,671 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e3561-4a34-4012-8903-07f42a780270/bin/uautomizer-verify-aQ6SnzHsRB/data/2d7a6e8dd/6ef44285288b4411b8f138704b48074f [2024-11-27 20:25:35,675 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 20:25:35,676 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 20:25:35,681 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 20:25:35,681 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 20:25:35,688 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 20:25:35,689 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:25:35" (1/1) ... [2024-11-27 20:25:35,689 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55d68096 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:25:35, skipping insertion in model container [2024-11-27 20:25:35,690 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:25:35" (1/1) ... [2024-11-27 20:25:35,754 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 20:25:36,380 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-27 20:25:36,426 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-27 20:25:36,441 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-27 20:25:36,447 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-27 20:25:36,457 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-27 20:25:36,520 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-27 20:25:36,521 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-27 20:25:36,529 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-27 20:25:36,530 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-27 20:25:36,534 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-27 20:25:36,536 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-27 20:25:36,538 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-27 20:25:36,539 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-27 20:25:36,549 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:25:36,573 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-27 20:25:36,588 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 20:25:36,640 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-27 20:25:36,661 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-27 20:25:36,665 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-27 20:25:36,668 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-27 20:25:36,676 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-27 20:25:36,719 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-27 20:25:36,720 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-27 20:25:36,731 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-27 20:25:36,731 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-27 20:25:36,737 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-27 20:25:36,739 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-27 20:25:36,755 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-27 20:25:36,756 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-27 20:25:36,773 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:25:36,777 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 20:25:36,916 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:25:36,966 INFO L204 MainTranslator]: Completed translation [2024-11-27 20:25:36,966 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:25:36 WrapperNode [2024-11-27 20:25:36,967 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 20:25:36,967 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 20:25:36,968 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 20:25:36,968 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 20:25:36,978 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:25:36" (1/1) ... [2024-11-27 20:25:37,015 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:25:36" (1/1) ... [2024-11-27 20:25:37,070 INFO L138 Inliner]: procedures = 180, calls = 291, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 984 [2024-11-27 20:25:37,070 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 20:25:37,071 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 20:25:37,071 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 20:25:37,071 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 20:25:37,085 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:25:36" (1/1) ... [2024-11-27 20:25:37,085 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:25:36" (1/1) ... [2024-11-27 20:25:37,093 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:25:36" (1/1) ... [2024-11-27 20:25:37,165 INFO L175 MemorySlicer]: Split 256 memory accesses to 3 slices as follows [2, 220, 34]. 86 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 54 writes are split as follows [0, 50, 4]. [2024-11-27 20:25:37,165 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:25:36" (1/1) ... [2024-11-27 20:25:37,165 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:25:36" (1/1) ... [2024-11-27 20:25:37,247 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:25:36" (1/1) ... [2024-11-27 20:25:37,249 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:25:36" (1/1) ... [2024-11-27 20:25:37,262 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:25:36" (1/1) ... [2024-11-27 20:25:37,266 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:25:36" (1/1) ... [2024-11-27 20:25:37,270 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:25:36" (1/1) ... [2024-11-27 20:25:37,279 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 20:25:37,280 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 20:25:37,280 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 20:25:37,280 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 20:25:37,281 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:25:36" (1/1) ... [2024-11-27 20:25:37,288 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:25:37,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e3561-4a34-4012-8903-07f42a780270/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:25:37,332 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e3561-4a34-4012-8903-07f42a780270/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-27 20:25:37,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e3561-4a34-4012-8903-07f42a780270/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-27 20:25:37,360 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-11-27 20:25:37,360 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-11-27 20:25:37,361 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-27 20:25:37,361 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-27 20:25:37,361 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-27 20:25:37,361 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-27 20:25:37,361 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-27 20:25:37,361 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-27 20:25:37,361 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-27 20:25:37,361 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-27 20:25:37,361 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-27 20:25:37,361 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-27 20:25:37,361 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-27 20:25:37,361 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-27 20:25:37,361 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-27 20:25:37,362 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-27 20:25:37,362 INFO L130 BoogieDeclarations]: Found specification of procedure test_int [2024-11-27 20:25:37,362 INFO L138 BoogieDeclarations]: Found implementation of procedure test_int [2024-11-27 20:25:37,362 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-27 20:25:37,362 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 20:25:37,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-27 20:25:37,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-27 20:25:37,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-27 20:25:37,363 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-27 20:25:37,363 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-27 20:25:37,363 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-27 20:25:37,363 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-27 20:25:37,363 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-27 20:25:37,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-27 20:25:37,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-27 20:25:37,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-27 20:25:37,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-27 20:25:37,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-27 20:25:37,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-27 20:25:37,364 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 20:25:37,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 20:25:37,612 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 20:25:37,615 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 20:25:46,286 INFO L? ?]: Removed 142 outVars from TransFormulas that were not future-live. [2024-11-27 20:25:46,287 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 20:25:46,306 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 20:25:46,307 INFO L312 CfgBuilder]: Removed 35 assume(true) statements. [2024-11-27 20:25:46,307 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:25:46 BoogieIcfgContainer [2024-11-27 20:25:46,307 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 20:25:46,309 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 20:25:46,309 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 20:25:46,333 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 20:25:46,335 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 08:25:35" (1/3) ... [2024-11-27 20:25:46,335 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@607939c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 08:25:46, skipping insertion in model container [2024-11-27 20:25:46,336 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:25:36" (2/3) ... [2024-11-27 20:25:46,336 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@607939c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 08:25:46, skipping insertion in model container [2024-11-27 20:25:46,340 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:25:46" (3/3) ... [2024-11-27 20:25:46,342 INFO L128 eAbstractionObserver]: Analyzing ICFG uthash_FNV_test8-1.i [2024-11-27 20:25:46,358 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 20:25:46,362 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG uthash_FNV_test8-1.i that has 7 procedures, 250 locations, 1 initial locations, 37 loop locations, and 2 error locations. [2024-11-27 20:25:46,426 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-27 20:25:46,440 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;@45f404a6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 20:25:46,441 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-27 20:25:46,449 INFO L276 IsEmpty]: Start isEmpty. Operand has 242 states, 213 states have (on average 1.6525821596244132) internal successors, (352), 232 states have internal predecessors, (352), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 8 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-27 20:25:46,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-27 20:25:46,455 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:25:46,456 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:25:46,457 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-27 20:25:46,462 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:25:46,463 INFO L85 PathProgramCache]: Analyzing trace with hash -1609629347, now seen corresponding path program 1 times [2024-11-27 20:25:46,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 20:25:46,479 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [257855446] [2024-11-27 20:25:46,479 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:25:46,480 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:25:46,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e3561-4a34-4012-8903-07f42a780270/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:25:46,484 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e3561-4a34-4012-8903-07f42a780270/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:25:46,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e3561-4a34-4012-8903-07f42a780270/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-27 20:25:46,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:25:46,719 INFO L256 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-27 20:25:46,726 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:25:46,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:25:46,737 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:25:46,737 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 20:25:46,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [257855446] [2024-11-27 20:25:46,738 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [257855446] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:25:46,738 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:25:46,739 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:25:46,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [836640933] [2024-11-27 20:25:46,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:25:46,745 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-27 20:25:46,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 20:25:46,769 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-27 20:25:46,770 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-27 20:25:46,772 INFO L87 Difference]: Start difference. First operand has 242 states, 213 states have (on average 1.6525821596244132) internal successors, (352), 232 states have internal predecessors, (352), 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) [2024-11-27 20:25:46,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:25:46,808 INFO L93 Difference]: Finished difference Result 240 states and 325 transitions. [2024-11-27 20:25:46,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 20:25:46,810 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 [2024-11-27 20:25:46,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:25:46,819 INFO L225 Difference]: With dead ends: 240 [2024-11-27 20:25:46,820 INFO L226 Difference]: Without dead ends: 238 [2024-11-27 20:25:46,822 INFO L434 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 [2024-11-27 20:25:46,825 INFO L435 NwaCegarLoop]: 325 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, 325 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 20:25:46,826 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 325 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 20:25:46,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2024-11-27 20:25:46,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 238. [2024-11-27 20:25:46,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 238 states, 211 states have (on average 1.3317535545023698) internal successors, (281), 228 states have internal predecessors, (281), 22 states have call successors, (22), 4 states have call predecessors, (22), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-27 20:25:46,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 323 transitions. [2024-11-27 20:25:46,882 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 323 transitions. Word has length 7 [2024-11-27 20:25:46,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:25:46,883 INFO L471 AbstractCegarLoop]: Abstraction has 238 states and 323 transitions. [2024-11-27 20:25:46,883 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) [2024-11-27 20:25:46,883 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 323 transitions. [2024-11-27 20:25:46,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-27 20:25:46,884 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:25:46,884 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:25:46,895 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e3561-4a34-4012-8903-07f42a780270/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-27 20:25:47,084 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e3561-4a34-4012-8903-07f42a780270/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:25:47,085 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-27 20:25:47,086 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:25:47,086 INFO L85 PathProgramCache]: Analyzing trace with hash 1606103501, now seen corresponding path program 1 times [2024-11-27 20:25:47,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 20:25:47,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1171714324] [2024-11-27 20:25:47,088 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:25:47,088 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:25:47,088 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e3561-4a34-4012-8903-07f42a780270/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:25:47,090 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e3561-4a34-4012-8903-07f42a780270/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:25:47,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e3561-4a34-4012-8903-07f42a780270/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-27 20:25:47,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:25:47,287 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-27 20:25:47,289 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:25:47,325 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-27 20:25:47,326 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-27 20:25:47,327 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-27 20:25:47,341 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 39 [2024-11-27 20:25:47,471 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 20:25:47,472 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 70 treesize of output 26 [2024-11-27 20:25:47,512 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:25:47,512 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:25:47,512 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 20:25:47,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1171714324] [2024-11-27 20:25:47,512 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1171714324] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:25:47,513 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:25:47,513 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 20:25:47,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825983020] [2024-11-27 20:25:47,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:25:47,514 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 20:25:47,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 20:25:47,516 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 20:25:47,516 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:25:47,516 INFO L87 Difference]: Start difference. First operand 238 states and 323 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) [2024-11-27 20:25:48,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:25:48,275 INFO L93 Difference]: Finished difference Result 425 states and 567 transitions. [2024-11-27 20:25:48,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 20:25:48,277 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 [2024-11-27 20:25:48,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:25:48,280 INFO L225 Difference]: With dead ends: 425 [2024-11-27 20:25:48,280 INFO L226 Difference]: Without dead ends: 425 [2024-11-27 20:25:48,280 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-27 20:25:48,285 INFO L435 NwaCegarLoop]: 332 mSDtfsCounter, 230 mSDsluCounter, 626 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 235 SdHoareTripleChecker+Valid, 958 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-27 20:25:48,285 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [235 Valid, 958 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-27 20:25:48,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 425 states. [2024-11-27 20:25:48,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 425 to 240. [2024-11-27 20:25:48,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 240 states, 213 states have (on average 1.3286384976525822) internal successors, (283), 230 states have internal predecessors, (283), 22 states have call successors, (22), 4 states have call predecessors, (22), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-27 20:25:48,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 325 transitions. [2024-11-27 20:25:48,321 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 325 transitions. Word has length 9 [2024-11-27 20:25:48,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:25:48,322 INFO L471 AbstractCegarLoop]: Abstraction has 240 states and 325 transitions. [2024-11-27 20:25:48,322 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) [2024-11-27 20:25:48,322 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 325 transitions. [2024-11-27 20:25:48,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-27 20:25:48,324 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:25:48,324 INFO L218 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, 1] [2024-11-27 20:25:48,335 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e3561-4a34-4012-8903-07f42a780270/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-27 20:25:48,524 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e3561-4a34-4012-8903-07f42a780270/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:25:48,525 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-27 20:25:48,525 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:25:48,525 INFO L85 PathProgramCache]: Analyzing trace with hash -114540827, now seen corresponding path program 1 times [2024-11-27 20:25:48,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 20:25:48,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [467103799] [2024-11-27 20:25:48,526 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:25:48,526 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:25:48,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e3561-4a34-4012-8903-07f42a780270/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:25:48,530 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e3561-4a34-4012-8903-07f42a780270/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:25:48,532 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e3561-4a34-4012-8903-07f42a780270/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-27 20:25:48,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:25:48,945 INFO L256 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-27 20:25:48,949 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:25:49,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:25:49,450 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:25:49,450 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 20:25:49,450 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [467103799] [2024-11-27 20:25:49,450 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [467103799] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:25:49,450 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:25:49,450 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 20:25:49,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874543574] [2024-11-27 20:25:49,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:25:49,451 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:25:49,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 20:25:49,452 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:25:49,452 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:25:49,452 INFO L87 Difference]: Start difference. First operand 240 states and 325 transitions. Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 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) [2024-11-27 20:25:50,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:25:50,246 INFO L93 Difference]: Finished difference Result 355 states and 474 transitions. [2024-11-27 20:25:50,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:25:50,250 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 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 68 [2024-11-27 20:25:50,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:25:50,252 INFO L225 Difference]: With dead ends: 355 [2024-11-27 20:25:50,252 INFO L226 Difference]: Without dead ends: 355 [2024-11-27 20:25:50,252 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:25:50,253 INFO L435 NwaCegarLoop]: 371 mSDtfsCounter, 106 mSDsluCounter, 300 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 671 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 [2024-11-27 20:25:50,253 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 671 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-27 20:25:50,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2024-11-27 20:25:50,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 350. [2024-11-27 20:25:50,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 350 states, 322 states have (on average 1.3229813664596273) internal successors, (426), 339 states have internal predecessors, (426), 23 states have call successors, (23), 4 states have call predecessors, (23), 3 states have return successors, (21), 7 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-27 20:25:50,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 350 states and 470 transitions. [2024-11-27 20:25:50,286 INFO L78 Accepts]: Start accepts. Automaton has 350 states and 470 transitions. Word has length 68 [2024-11-27 20:25:50,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:25:50,286 INFO L471 AbstractCegarLoop]: Abstraction has 350 states and 470 transitions. [2024-11-27 20:25:50,286 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 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) [2024-11-27 20:25:50,291 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 470 transitions. [2024-11-27 20:25:50,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-27 20:25:50,292 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:25:50,293 INFO L218 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, 1] [2024-11-27 20:25:50,307 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e3561-4a34-4012-8903-07f42a780270/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-27 20:25:50,493 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e3561-4a34-4012-8903-07f42a780270/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:25:50,493 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-27 20:25:50,494 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:25:50,494 INFO L85 PathProgramCache]: Analyzing trace with hash 2071151137, now seen corresponding path program 1 times [2024-11-27 20:25:50,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 20:25:50,495 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [262156162] [2024-11-27 20:25:50,495 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:25:50,495 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:25:50,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e3561-4a34-4012-8903-07f42a780270/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:25:50,497 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e3561-4a34-4012-8903-07f42a780270/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:25:50,498 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e3561-4a34-4012-8903-07f42a780270/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-27 20:25:50,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:25:50,965 INFO L256 TraceCheckSpWp]: Trace formula consists of 458 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-27 20:25:50,973 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:25:51,083 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-27 20:25:51,083 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:25:51,083 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 20:25:51,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [262156162] [2024-11-27 20:25:51,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [262156162] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:25:51,083 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:25:51,083 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 20:25:51,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4137054] [2024-11-27 20:25:51,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:25:51,084 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 20:25:51,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 20:25:51,085 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 20:25:51,085 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:25:51,085 INFO L87 Difference]: Start difference. First operand 350 states and 470 transitions. Second operand has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-27 20:25:51,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:25:51,282 INFO L93 Difference]: Finished difference Result 368 states and 478 transitions. [2024-11-27 20:25:51,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 20:25:51,283 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 83 [2024-11-27 20:25:51,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:25:51,285 INFO L225 Difference]: With dead ends: 368 [2024-11-27 20:25:51,285 INFO L226 Difference]: Without dead ends: 368 [2024-11-27 20:25:51,285 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-27 20:25:51,286 INFO L435 NwaCegarLoop]: 292 mSDtfsCounter, 23 mSDsluCounter, 563 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 855 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-27 20:25:51,286 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 855 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-27 20:25:51,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2024-11-27 20:25:51,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 366. [2024-11-27 20:25:51,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 366 states, 338 states have (on average 1.2781065088757397) internal successors, (432), 355 states have internal predecessors, (432), 23 states have call successors, (23), 4 states have call predecessors, (23), 3 states have return successors, (21), 7 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-27 20:25:51,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 476 transitions. [2024-11-27 20:25:51,302 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 476 transitions. Word has length 83 [2024-11-27 20:25:51,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:25:51,302 INFO L471 AbstractCegarLoop]: Abstraction has 366 states and 476 transitions. [2024-11-27 20:25:51,302 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-27 20:25:51,302 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 476 transitions. [2024-11-27 20:25:51,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-27 20:25:51,304 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:25:51,304 INFO L218 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, 1] [2024-11-27 20:25:51,319 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e3561-4a34-4012-8903-07f42a780270/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-27 20:25:51,505 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e3561-4a34-4012-8903-07f42a780270/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:25:51,505 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-27 20:25:51,506 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:25:51,506 INFO L85 PathProgramCache]: Analyzing trace with hash 810233887, now seen corresponding path program 1 times [2024-11-27 20:25:51,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 20:25:51,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [624712892] [2024-11-27 20:25:51,507 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:25:51,507 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:25:51,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e3561-4a34-4012-8903-07f42a780270/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:25:51,511 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e3561-4a34-4012-8903-07f42a780270/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:25:51,512 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e3561-4a34-4012-8903-07f42a780270/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-27 20:25:51,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:25:52,004 INFO L256 TraceCheckSpWp]: Trace formula consists of 460 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-27 20:25:52,008 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:25:52,047 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-27 20:25:52,047 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:25:52,047 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 20:25:52,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [624712892] [2024-11-27 20:25:52,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [624712892] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:25:52,048 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:25:52,048 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 20:25:52,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922588082] [2024-11-27 20:25:52,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:25:52,048 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 20:25:52,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 20:25:52,049 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 20:25:52,049 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:25:52,049 INFO L87 Difference]: Start difference. First operand 366 states and 476 transitions. Second operand has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-27 20:25:52,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:25:52,193 INFO L93 Difference]: Finished difference Result 342 states and 438 transitions. [2024-11-27 20:25:52,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 20:25:52,194 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 83 [2024-11-27 20:25:52,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:25:52,196 INFO L225 Difference]: With dead ends: 342 [2024-11-27 20:25:52,196 INFO L226 Difference]: Without dead ends: 342 [2024-11-27 20:25:52,196 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-27 20:25:52,197 INFO L435 NwaCegarLoop]: 288 mSDtfsCounter, 27 mSDsluCounter, 564 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 852 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 20:25:52,197 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 852 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 20:25:52,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2024-11-27 20:25:52,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 342. [2024-11-27 20:25:52,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 342 states, 314 states have (on average 1.2547770700636942) internal successors, (394), 331 states have internal predecessors, (394), 23 states have call successors, (23), 4 states have call predecessors, (23), 3 states have return successors, (21), 7 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-27 20:25:52,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 438 transitions. [2024-11-27 20:25:52,210 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 438 transitions. Word has length 83 [2024-11-27 20:25:52,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:25:52,210 INFO L471 AbstractCegarLoop]: Abstraction has 342 states and 438 transitions. [2024-11-27 20:25:52,210 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-27 20:25:52,210 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 438 transitions. [2024-11-27 20:25:52,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-27 20:25:52,212 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:25:52,213 INFO L218 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, 1] [2024-11-27 20:25:52,228 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e3561-4a34-4012-8903-07f42a780270/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-27 20:25:52,413 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e3561-4a34-4012-8903-07f42a780270/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:25:52,413 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-27 20:25:52,414 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:25:52,414 INFO L85 PathProgramCache]: Analyzing trace with hash -1447198675, now seen corresponding path program 1 times [2024-11-27 20:25:52,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 20:25:52,415 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2102931985] [2024-11-27 20:25:52,415 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:25:52,415 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:25:52,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e3561-4a34-4012-8903-07f42a780270/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:25:52,418 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e3561-4a34-4012-8903-07f42a780270/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:25:52,422 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e3561-4a34-4012-8903-07f42a780270/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-27 20:25:52,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:25:52,898 INFO L256 TraceCheckSpWp]: Trace formula consists of 446 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-27 20:25:52,901 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:25:52,946 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-27 20:25:52,946 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:25:52,946 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 20:25:52,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2102931985] [2024-11-27 20:25:52,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2102931985] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:25:52,947 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:25:52,947 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 20:25:52,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197189728] [2024-11-27 20:25:52,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:25:52,947 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 20:25:52,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 20:25:52,948 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 20:25:52,948 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:25:52,949 INFO L87 Difference]: Start difference. First operand 342 states and 438 transitions. Second operand has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-27 20:25:52,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:25:52,999 INFO L93 Difference]: Finished difference Result 345 states and 442 transitions. [2024-11-27 20:25:53,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 20:25:53,000 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 83 [2024-11-27 20:25:53,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:25:53,002 INFO L225 Difference]: With dead ends: 345 [2024-11-27 20:25:53,002 INFO L226 Difference]: Without dead ends: 345 [2024-11-27 20:25:53,002 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:25:53,003 INFO L435 NwaCegarLoop]: 304 mSDtfsCounter, 0 mSDsluCounter, 604 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 908 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 20:25:53,003 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 908 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 20:25:53,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2024-11-27 20:25:53,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 345. [2024-11-27 20:25:53,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 345 states, 316 states have (on average 1.2563291139240507) internal successors, (397), 334 states have internal predecessors, (397), 23 states have call successors, (23), 4 states have call predecessors, (23), 4 states have return successors, (22), 7 states have call predecessors, (22), 21 states have call successors, (22) [2024-11-27 20:25:53,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 345 states and 442 transitions. [2024-11-27 20:25:53,016 INFO L78 Accepts]: Start accepts. Automaton has 345 states and 442 transitions. Word has length 83 [2024-11-27 20:25:53,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:25:53,017 INFO L471 AbstractCegarLoop]: Abstraction has 345 states and 442 transitions. [2024-11-27 20:25:53,017 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-27 20:25:53,017 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 442 transitions. [2024-11-27 20:25:53,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-27 20:25:53,019 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:25:53,019 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:25:53,033 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e3561-4a34-4012-8903-07f42a780270/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-27 20:25:53,219 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e3561-4a34-4012-8903-07f42a780270/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:25:53,220 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-27 20:25:53,220 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:25:53,220 INFO L85 PathProgramCache]: Analyzing trace with hash 1713519467, now seen corresponding path program 1 times [2024-11-27 20:25:53,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 20:25:53,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [576583670] [2024-11-27 20:25:53,221 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:25:53,221 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:25:53,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e3561-4a34-4012-8903-07f42a780270/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:25:53,227 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e3561-4a34-4012-8903-07f42a780270/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:25:53,230 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e3561-4a34-4012-8903-07f42a780270/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-27 20:25:53,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:25:53,732 INFO L256 TraceCheckSpWp]: Trace formula consists of 468 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-27 20:25:53,735 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:25:53,803 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-27 20:25:53,803 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:25:53,968 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-27 20:25:53,968 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 20:25:53,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [576583670] [2024-11-27 20:25:53,968 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [576583670] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 20:25:53,968 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 20:25:53,968 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-11-27 20:25:53,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069794869] [2024-11-27 20:25:53,969 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-27 20:25:53,969 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-27 20:25:53,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 20:25:53,970 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-27 20:25:53,970 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-27 20:25:53,970 INFO L87 Difference]: Start difference. First operand 345 states and 442 transitions. Second operand has 8 states, 8 states have (on average 10.25) internal successors, (82), 8 states have internal predecessors, (82), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-27 20:25:54,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:25:54,171 INFO L93 Difference]: Finished difference Result 356 states and 459 transitions. [2024-11-27 20:25:54,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-27 20:25:54,172 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.25) internal successors, (82), 8 states have internal predecessors, (82), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 85 [2024-11-27 20:25:54,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:25:54,174 INFO L225 Difference]: With dead ends: 356 [2024-11-27 20:25:54,174 INFO L226 Difference]: Without dead ends: 356 [2024-11-27 20:25:54,175 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=44, Invalid=66, Unknown=0, NotChecked=0, Total=110 [2024-11-27 20:25:54,175 INFO L435 NwaCegarLoop]: 303 mSDtfsCounter, 5 mSDsluCounter, 905 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 1208 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 20:25:54,175 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 1208 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 20:25:54,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2024-11-27 20:25:54,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 354. [2024-11-27 20:25:54,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 354 states, 324 states have (on average 1.2685185185185186) internal successors, (411), 342 states have internal predecessors, (411), 23 states have call successors, (23), 5 states have call predecessors, (23), 5 states have return successors, (23), 7 states have call predecessors, (23), 21 states have call successors, (23) [2024-11-27 20:25:54,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 457 transitions. [2024-11-27 20:25:54,189 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 457 transitions. Word has length 85 [2024-11-27 20:25:54,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:25:54,189 INFO L471 AbstractCegarLoop]: Abstraction has 354 states and 457 transitions. [2024-11-27 20:25:54,189 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.25) internal successors, (82), 8 states have internal predecessors, (82), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-27 20:25:54,189 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 457 transitions. [2024-11-27 20:25:54,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-27 20:25:54,191 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:25:54,191 INFO L218 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, 1] [2024-11-27 20:25:54,206 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e3561-4a34-4012-8903-07f42a780270/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-27 20:25:54,396 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e3561-4a34-4012-8903-07f42a780270/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:25:54,396 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-27 20:25:54,396 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:25:54,396 INFO L85 PathProgramCache]: Analyzing trace with hash 1880326797, now seen corresponding path program 2 times [2024-11-27 20:25:54,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 20:25:54,397 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1696781257] [2024-11-27 20:25:54,397 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 20:25:54,397 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:25:54,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e3561-4a34-4012-8903-07f42a780270/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:25:54,399 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e3561-4a34-4012-8903-07f42a780270/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:25:54,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e3561-4a34-4012-8903-07f42a780270/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-27 20:40:23,814 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 20:40:23,814 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 20:40:23,869 INFO L256 TraceCheckSpWp]: Trace formula consists of 512 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-27 20:40:23,873 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:40:23,974 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 18 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-27 20:40:23,974 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:40:24,224 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-27 20:40:24,225 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 20:40:24,225 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1696781257] [2024-11-27 20:40:24,225 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1696781257] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 20:40:24,225 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 20:40:24,225 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2024-11-27 20:40:24,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [274275787] [2024-11-27 20:40:24,226 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-27 20:40:24,226 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-27 20:40:24,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 20:40:24,227 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-27 20:40:24,227 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-11-27 20:40:24,227 INFO L87 Difference]: Start difference. First operand 354 states and 457 transitions. Second operand has 10 states, 10 states have (on average 8.8) internal successors, (88), 10 states have internal predecessors, (88), 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) [2024-11-27 20:40:24,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:40:24,689 INFO L93 Difference]: Finished difference Result 362 states and 467 transitions. [2024-11-27 20:40:24,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-27 20:40:24,691 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.8) internal successors, (88), 10 states have internal predecessors, (88), 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 89 [2024-11-27 20:40:24,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:40:24,693 INFO L225 Difference]: With dead ends: 362 [2024-11-27 20:40:24,695 INFO L226 Difference]: Without dead ends: 360 [2024-11-27 20:40:24,695 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=80, Invalid=130, Unknown=0, NotChecked=0, Total=210 [2024-11-27 20:40:24,696 INFO L435 NwaCegarLoop]: 305 mSDtfsCounter, 6 mSDsluCounter, 910 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 1215 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-27 20:40:24,697 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 1215 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-27 20:40:24,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2024-11-27 20:40:24,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 358. [2024-11-27 20:40:24,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 358 states, 328 states have (on average 1.271341463414634) internal successors, (417), 346 states have internal predecessors, (417), 23 states have call successors, (23), 5 states have call predecessors, (23), 5 states have return successors, (22), 7 states have call predecessors, (22), 21 states have call successors, (22) [2024-11-27 20:40:24,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 358 states and 462 transitions. [2024-11-27 20:40:24,723 INFO L78 Accepts]: Start accepts. Automaton has 358 states and 462 transitions. Word has length 89 [2024-11-27 20:40:24,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:40:24,724 INFO L471 AbstractCegarLoop]: Abstraction has 358 states and 462 transitions. [2024-11-27 20:40:24,724 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.8) internal successors, (88), 10 states have internal predecessors, (88), 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) [2024-11-27 20:40:24,724 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 462 transitions. [2024-11-27 20:40:24,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-27 20:40:24,728 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:40:24,728 INFO L218 NwaCegarLoop]: trace histogram [10, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:40:24,836 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e3561-4a34-4012-8903-07f42a780270/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-27 20:40:24,929 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e3561-4a34-4012-8903-07f42a780270/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:40:24,929 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-27 20:40:24,929 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:40:24,929 INFO L85 PathProgramCache]: Analyzing trace with hash -1511816755, now seen corresponding path program 3 times [2024-11-27 20:40:24,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 20:40:24,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [942376499] [2024-11-27 20:40:24,930 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-27 20:40:24,930 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:40:24,930 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e3561-4a34-4012-8903-07f42a780270/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:40:24,932 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e3561-4a34-4012-8903-07f42a780270/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:40:24,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0e3561-4a34-4012-8903-07f42a780270/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process