./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test6-1.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_0aa4c21e-dccd-4b16-8a7e-a1de431d9a1c/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa4c21e-dccd-4b16-8a7e-a1de431d9a1c/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_0aa4c21e-dccd-4b16-8a7e-a1de431d9a1c/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa4c21e-dccd-4b16-8a7e-a1de431d9a1c/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test6-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa4c21e-dccd-4b16-8a7e-a1de431d9a1c/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_0aa4c21e-dccd-4b16-8a7e-a1de431d9a1c/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 05edfd344a133924af20e7887ded3d695179bf474d7b39ea2b7287f4a108ff8d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 04:00:27,434 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 04:00:27,532 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa4c21e-dccd-4b16-8a7e-a1de431d9a1c/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-MemCleanup-32bit-Automizer_Default.epf [2024-11-28 04:00:27,538 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 04:00:27,538 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 04:00:27,568 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 04:00:27,569 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 04:00:27,569 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 04:00:27,569 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 04:00:27,569 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 04:00:27,569 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 04:00:27,569 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 04:00:27,570 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 04:00:27,570 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 04:00:27,570 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 04:00:27,570 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 04:00:27,570 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 04:00:27,570 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 04:00:27,574 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 04:00:27,574 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 04:00:27,575 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 04:00:27,575 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 04:00:27,575 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-28 04:00:27,575 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-28 04:00:27,575 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 04:00:27,575 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 04:00:27,575 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-28 04:00:27,575 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 04:00:27,575 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 04:00:27,575 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 04:00:27,576 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 04:00:27,576 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 04:00:27,576 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 04:00:27,576 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:00:27,576 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:00:27,576 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:00:27,576 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:00:27,576 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 04:00:27,576 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:00:27,576 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:00:27,577 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:00:27,577 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:00:27,577 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 04:00:27,577 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 04:00:27,577 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 04:00:27,577 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 04:00:27,577 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 04:00:27,578 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 04:00:27,578 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 04:00:27,578 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 04:00:27,578 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_0aa4c21e-dccd-4b16-8a7e-a1de431d9a1c/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 -> 05edfd344a133924af20e7887ded3d695179bf474d7b39ea2b7287f4a108ff8d [2024-11-28 04:00:27,922 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 04:00:27,931 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 04:00:27,933 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 04:00:27,935 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 04:00:27,935 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 04:00:27,936 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa4c21e-dccd-4b16-8a7e-a1de431d9a1c/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test6-1.i [2024-11-28 04:00:31,064 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa4c21e-dccd-4b16-8a7e-a1de431d9a1c/bin/uautomizer-verify-aQ6SnzHsRB/data/c27596d0d/4c9c1bf965034e77a4ddee4e3f2fdf0b/FLAGc66908103 [2024-11-28 04:00:31,566 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 04:00:31,566 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa4c21e-dccd-4b16-8a7e-a1de431d9a1c/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test6-1.i [2024-11-28 04:00:31,591 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa4c21e-dccd-4b16-8a7e-a1de431d9a1c/bin/uautomizer-verify-aQ6SnzHsRB/data/c27596d0d/4c9c1bf965034e77a4ddee4e3f2fdf0b/FLAGc66908103 [2024-11-28 04:00:31,609 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa4c21e-dccd-4b16-8a7e-a1de431d9a1c/bin/uautomizer-verify-aQ6SnzHsRB/data/c27596d0d/4c9c1bf965034e77a4ddee4e3f2fdf0b [2024-11-28 04:00:31,611 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 04:00:31,612 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 04:00:31,613 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 04:00:31,613 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 04:00:31,619 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 04:00:31,619 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:00:31" (1/1) ... [2024-11-28 04:00:31,622 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@698e944 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:00:31, skipping insertion in model container [2024-11-28 04:00:31,623 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:00:31" (1/1) ... [2024-11-28 04:00:31,688 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 04:00:32,482 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 04:00:32,522 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 04:00:32,525 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 04:00:32,528 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 04:00:32,535 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 04:00:32,570 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 04:00:32,570 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 04:00:32,572 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 04:00:32,573 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 04:00:32,576 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 04:00:32,581 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 04:00:32,582 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 04:00:32,583 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 04:00:32,589 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 04:00:32,596 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:00:32,610 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) [2024-11-28 04:00:32,610 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1d25000 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:00:32, skipping insertion in model container [2024-11-28 04:00:32,610 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 04:00:32,611 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-11-28 04:00:32,613 INFO L158 Benchmark]: Toolchain (without parser) took 999.82ms. Allocated memory is still 117.4MB. Free memory was 90.7MB in the beginning and 69.6MB in the end (delta: 21.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-28 04:00:32,613 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 167.8MB. Free memory is still 105.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:00:32,614 INFO L158 Benchmark]: CACSL2BoogieTranslator took 997.39ms. Allocated memory is still 117.4MB. Free memory was 90.7MB in the beginning and 69.6MB in the end (delta: 21.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-28 04:00:32,615 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 167.8MB. Free memory is still 105.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 997.39ms. Allocated memory is still 117.4MB. Free memory was 90.7MB in the beginning and 69.6MB in the end (delta: 21.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 1001]: 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_0aa4c21e-dccd-4b16-8a7e-a1de431d9a1c/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa4c21e-dccd-4b16-8a7e-a1de431d9a1c/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_0aa4c21e-dccd-4b16-8a7e-a1de431d9a1c/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa4c21e-dccd-4b16-8a7e-a1de431d9a1c/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test6-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa4c21e-dccd-4b16-8a7e-a1de431d9a1c/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_0aa4c21e-dccd-4b16-8a7e-a1de431d9a1c/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 05edfd344a133924af20e7887ded3d695179bf474d7b39ea2b7287f4a108ff8d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 04:00:35,122 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 04:00:35,232 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa4c21e-dccd-4b16-8a7e-a1de431d9a1c/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf [2024-11-28 04:00:35,244 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 04:00:35,245 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 04:00:35,271 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 04:00:35,272 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 04:00:35,272 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 04:00:35,272 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 04:00:35,275 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 04:00:35,276 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 04:00:35,276 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 04:00:35,276 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 04:00:35,276 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 04:00:35,276 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 04:00:35,276 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 04:00:35,277 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 04:00:35,277 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 04:00:35,277 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 04:00:35,277 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 04:00:35,277 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 04:00:35,277 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 04:00:35,277 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-28 04:00:35,277 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-28 04:00:35,278 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 04:00:35,278 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 04:00:35,278 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-28 04:00:35,278 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-28 04:00:35,278 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-28 04:00:35,278 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 04:00:35,280 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 04:00:35,280 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 04:00:35,280 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 04:00:35,280 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 04:00:35,280 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 04:00:35,280 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:00:35,281 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:00:35,281 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:00:35,281 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:00:35,281 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 04:00:35,281 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:00:35,281 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:00:35,281 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:00:35,281 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:00:35,282 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 04:00:35,282 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 04:00:35,282 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-28 04:00:35,282 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-28 04:00:35,282 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 04:00:35,283 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 04:00:35,283 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 04:00:35,283 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 04:00:35,284 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_0aa4c21e-dccd-4b16-8a7e-a1de431d9a1c/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 -> 05edfd344a133924af20e7887ded3d695179bf474d7b39ea2b7287f4a108ff8d [2024-11-28 04:00:35,619 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 04:00:35,630 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 04:00:35,632 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 04:00:35,635 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 04:00:35,635 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 04:00:35,636 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa4c21e-dccd-4b16-8a7e-a1de431d9a1c/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test6-1.i [2024-11-28 04:00:38,770 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa4c21e-dccd-4b16-8a7e-a1de431d9a1c/bin/uautomizer-verify-aQ6SnzHsRB/data/0c9536a06/3a6ef37e05f84d958569c2e45ae6c5c3/FLAG9e281d859 [2024-11-28 04:00:39,174 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 04:00:39,175 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa4c21e-dccd-4b16-8a7e-a1de431d9a1c/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test6-1.i [2024-11-28 04:00:39,209 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa4c21e-dccd-4b16-8a7e-a1de431d9a1c/bin/uautomizer-verify-aQ6SnzHsRB/data/0c9536a06/3a6ef37e05f84d958569c2e45ae6c5c3/FLAG9e281d859 [2024-11-28 04:00:39,235 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa4c21e-dccd-4b16-8a7e-a1de431d9a1c/bin/uautomizer-verify-aQ6SnzHsRB/data/0c9536a06/3a6ef37e05f84d958569c2e45ae6c5c3 [2024-11-28 04:00:39,239 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 04:00:39,241 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 04:00:39,243 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 04:00:39,243 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 04:00:39,248 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 04:00:39,251 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:00:39" (1/1) ... [2024-11-28 04:00:39,252 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34ce53bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:00:39, skipping insertion in model container [2024-11-28 04:00:39,252 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:00:39" (1/1) ... [2024-11-28 04:00:39,321 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 04:00:40,184 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 04:00:40,222 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 04:00:40,226 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 04:00:40,231 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 04:00:40,240 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 04:00:40,288 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 04:00:40,291 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 04:00:40,296 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 04:00:40,296 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 04:00:40,306 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 04:00:40,310 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 04:00:40,312 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 04:00:40,313 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 04:00:40,323 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 04:00:40,339 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:00:40,370 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-28 04:00:40,398 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 04:00:40,483 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 04:00:40,523 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 04:00:40,525 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 04:00:40,533 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 04:00:40,543 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 04:00:40,569 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 04:00:40,570 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 04:00:40,572 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 04:00:40,573 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 04:00:40,576 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 04:00:40,577 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 04:00:40,578 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 04:00:40,579 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 04:00:40,583 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 04:00:40,586 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:00:40,592 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 04:00:40,716 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:00:40,785 INFO L204 MainTranslator]: Completed translation [2024-11-28 04:00:40,786 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:00:40 WrapperNode [2024-11-28 04:00:40,786 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 04:00:40,787 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 04:00:40,787 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 04:00:40,787 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 04:00:40,793 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:00:40" (1/1) ... [2024-11-28 04:00:40,833 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:00:40" (1/1) ... [2024-11-28 04:00:40,889 INFO L138 Inliner]: procedures = 286, calls = 300, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 1036 [2024-11-28 04:00:40,889 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 04:00:40,890 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 04:00:40,890 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 04:00:40,890 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 04:00:40,907 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:00:40" (1/1) ... [2024-11-28 04:00:40,907 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:00:40" (1/1) ... [2024-11-28 04:00:40,918 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:00:40" (1/1) ... [2024-11-28 04:00:41,028 INFO L175 MemorySlicer]: Split 268 memory accesses to 4 slices as follows [2, 12, 220, 34]. 82 percent of accesses are in the largest equivalence class. The 12 initializations are split as follows [2, 10, 0, 0]. The 54 writes are split as follows [0, 1, 49, 4]. [2024-11-28 04:00:41,029 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:00:40" (1/1) ... [2024-11-28 04:00:41,029 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:00:40" (1/1) ... [2024-11-28 04:00:41,069 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:00:40" (1/1) ... [2024-11-28 04:00:41,072 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:00:40" (1/1) ... [2024-11-28 04:00:41,081 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:00:40" (1/1) ... [2024-11-28 04:00:41,088 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:00:40" (1/1) ... [2024-11-28 04:00:41,092 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:00:40" (1/1) ... [2024-11-28 04:00:41,103 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 04:00:41,104 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 04:00:41,104 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 04:00:41,104 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 04:00:41,105 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:00:40" (1/1) ... [2024-11-28 04:00:41,112 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:00:41,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa4c21e-dccd-4b16-8a7e-a1de431d9a1c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:00:41,145 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa4c21e-dccd-4b16-8a7e-a1de431d9a1c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 04:00:41,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa4c21e-dccd-4b16-8a7e-a1de431d9a1c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 04:00:41,182 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-11-28 04:00:41,182 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-11-28 04:00:41,182 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-28 04:00:41,182 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-28 04:00:41,182 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-28 04:00:41,183 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-11-28 04:00:41,183 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-28 04:00:41,184 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-28 04:00:41,184 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-28 04:00:41,184 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-28 04:00:41,184 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-28 04:00:41,184 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-28 04:00:41,184 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-28 04:00:41,184 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-28 04:00:41,185 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-28 04:00:41,186 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-28 04:00:41,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-28 04:00:41,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-28 04:00:41,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-28 04:00:41,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-28 04:00:41,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-28 04:00:41,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-28 04:00:41,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-28 04:00:41,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-28 04:00:41,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-11-28 04:00:41,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-11-28 04:00:41,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-11-28 04:00:41,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-11-28 04:00:41,187 INFO L130 BoogieDeclarations]: Found specification of procedure alt_bzero [2024-11-28 04:00:41,187 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_bzero [2024-11-28 04:00:41,187 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-28 04:00:41,189 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-28 04:00:41,189 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-28 04:00:41,189 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 04:00:41,189 INFO L130 BoogieDeclarations]: Found specification of procedure alt_malloc [2024-11-28 04:00:41,190 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_malloc [2024-11-28 04:00:41,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-28 04:00:41,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-28 04:00:41,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-28 04:00:41,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-28 04:00:41,190 INFO L130 BoogieDeclarations]: Found specification of procedure alt_free [2024-11-28 04:00:41,190 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_free [2024-11-28 04:00:41,190 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 04:00:41,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 04:00:41,535 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 04:00:41,537 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 04:00:49,148 INFO L? ?]: Removed 147 outVars from TransFormulas that were not future-live. [2024-11-28 04:00:49,149 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 04:00:49,174 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 04:00:49,175 INFO L312 CfgBuilder]: Removed 36 assume(true) statements. [2024-11-28 04:00:49,176 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:00:49 BoogieIcfgContainer [2024-11-28 04:00:49,176 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 04:00:49,179 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 04:00:49,179 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 04:00:49,186 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 04:00:49,186 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:00:39" (1/3) ... [2024-11-28 04:00:49,187 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62979f10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:00:49, skipping insertion in model container [2024-11-28 04:00:49,188 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:00:40" (2/3) ... [2024-11-28 04:00:49,188 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62979f10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:00:49, skipping insertion in model container [2024-11-28 04:00:49,189 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:00:49" (3/3) ... [2024-11-28 04:00:49,191 INFO L128 eAbstractionObserver]: Analyzing ICFG uthash_BER_test6-1.i [2024-11-28 04:00:49,210 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 04:00:49,212 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG uthash_BER_test6-1.i that has 6 procedures, 240 locations, 1 initial locations, 36 loop locations, and 2 error locations. [2024-11-28 04:00:49,274 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 04:00:49,292 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;@de02e28, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 04:00:49,293 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-28 04:00:49,302 INFO L276 IsEmpty]: Start isEmpty. Operand has 240 states, 215 states have (on average 1.5906976744186045) internal successors, (342), 220 states have internal predecessors, (342), 18 states have call successors, (18), 5 states have call predecessors, (18), 5 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-28 04:00:49,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-28 04:00:49,312 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:00:49,313 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:00:49,314 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-28 04:00:49,320 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:00:49,321 INFO L85 PathProgramCache]: Analyzing trace with hash 1597574460, now seen corresponding path program 1 times [2024-11-28 04:00:49,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:00:49,330 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [131272343] [2024-11-28 04:00:49,330 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:00:49,331 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:00:49,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa4c21e-dccd-4b16-8a7e-a1de431d9a1c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:00:49,333 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa4c21e-dccd-4b16-8a7e-a1de431d9a1c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:00:49,335 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa4c21e-dccd-4b16-8a7e-a1de431d9a1c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 04:00:49,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:00:49,621 INFO L256 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 04:00:49,626 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:00:49,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:00:49,648 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:00:49,649 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:00:49,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [131272343] [2024-11-28 04:00:49,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [131272343] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:00:49,650 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:00:49,650 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:00:49,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [254647820] [2024-11-28 04:00:49,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:00:49,657 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 04:00:49,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:00:49,682 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 04:00:49,682 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 04:00:49,685 INFO L87 Difference]: Start difference. First operand has 240 states, 215 states have (on average 1.5906976744186045) internal successors, (342), 220 states have internal predecessors, (342), 18 states have call successors, (18), 5 states have call predecessors, (18), 5 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:00:49,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:00:49,718 INFO L93 Difference]: Finished difference Result 235 states and 300 transitions. [2024-11-28 04:00:49,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 04:00:49,721 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2024-11-28 04:00:49,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:00:49,729 INFO L225 Difference]: With dead ends: 235 [2024-11-28 04:00:49,729 INFO L226 Difference]: Without dead ends: 233 [2024-11-28 04:00:49,731 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 04:00:49,734 INFO L435 NwaCegarLoop]: 300 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, 300 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 [2024-11-28 04:00:49,735 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 300 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 04:00:49,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2024-11-28 04:00:49,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 233. [2024-11-28 04:00:49,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 233 states, 210 states have (on average 1.276190476190476) internal successors, (268), 215 states have internal predecessors, (268), 17 states have call successors, (17), 5 states have call predecessors, (17), 4 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-28 04:00:49,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 298 transitions. [2024-11-28 04:00:49,791 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 298 transitions. Word has length 10 [2024-11-28 04:00:49,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:00:49,792 INFO L471 AbstractCegarLoop]: Abstraction has 233 states and 298 transitions. [2024-11-28 04:00:49,792 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:00:49,793 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 298 transitions. [2024-11-28 04:00:49,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-28 04:00:49,794 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:00:49,794 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:00:49,808 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa4c21e-dccd-4b16-8a7e-a1de431d9a1c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-28 04:00:49,995 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa4c21e-dccd-4b16-8a7e-a1de431d9a1c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:00:49,996 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-28 04:00:49,996 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:00:49,996 INFO L85 PathProgramCache]: Analyzing trace with hash -1473877998, now seen corresponding path program 1 times [2024-11-28 04:00:49,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:00:49,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2072792695] [2024-11-28 04:00:49,997 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:00:49,997 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:00:49,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa4c21e-dccd-4b16-8a7e-a1de431d9a1c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:00:50,001 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa4c21e-dccd-4b16-8a7e-a1de431d9a1c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:00:50,004 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa4c21e-dccd-4b16-8a7e-a1de431d9a1c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 04:00:50,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:00:50,294 INFO L256 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 04:00:50,296 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:00:50,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:00:50,472 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:00:50,473 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:00:50,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2072792695] [2024-11-28 04:00:50,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2072792695] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:00:50,473 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:00:50,473 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 04:00:50,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299847330] [2024-11-28 04:00:50,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:00:50,476 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 04:00:50,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:00:50,477 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 04:00:50,479 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:00:50,479 INFO L87 Difference]: Start difference. First operand 233 states and 298 transitions. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:00:53,382 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:00:56,608 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:00:57,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:00:57,560 INFO L93 Difference]: Finished difference Result 352 states and 453 transitions. [2024-11-28 04:00:57,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 04:00:57,562 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2024-11-28 04:00:57,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:00:57,564 INFO L225 Difference]: With dead ends: 352 [2024-11-28 04:00:57,565 INFO L226 Difference]: Without dead ends: 352 [2024-11-28 04:00:57,565 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:00:57,566 INFO L435 NwaCegarLoop]: 285 mSDtfsCounter, 142 mSDsluCounter, 524 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 809 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2024-11-28 04:00:57,566 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 809 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 7.0s Time] [2024-11-28 04:00:57,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 352 states. [2024-11-28 04:00:57,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 352 to 348. [2024-11-28 04:00:57,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 348 states, 325 states have (on average 1.2861538461538462) internal successors, (418), 330 states have internal predecessors, (418), 17 states have call successors, (17), 5 states have call predecessors, (17), 4 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-28 04:00:57,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 448 transitions. [2024-11-28 04:00:57,598 INFO L78 Accepts]: Start accepts. Automaton has 348 states and 448 transitions. Word has length 12 [2024-11-28 04:00:57,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:00:57,598 INFO L471 AbstractCegarLoop]: Abstraction has 348 states and 448 transitions. [2024-11-28 04:00:57,598 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:00:57,599 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 448 transitions. [2024-11-28 04:00:57,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-28 04:00:57,599 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:00:57,599 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:00:57,614 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa4c21e-dccd-4b16-8a7e-a1de431d9a1c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-28 04:00:57,800 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa4c21e-dccd-4b16-8a7e-a1de431d9a1c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:00:57,800 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-28 04:00:57,801 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:00:57,801 INFO L85 PathProgramCache]: Analyzing trace with hash 1819542280, now seen corresponding path program 1 times [2024-11-28 04:00:57,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:00:57,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [749949131] [2024-11-28 04:00:57,802 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:00:57,802 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:00:57,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa4c21e-dccd-4b16-8a7e-a1de431d9a1c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:00:57,808 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa4c21e-dccd-4b16-8a7e-a1de431d9a1c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:00:57,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa4c21e-dccd-4b16-8a7e-a1de431d9a1c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-28 04:00:58,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:00:58,062 INFO L256 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 04:00:58,065 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:00:58,099 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-28 04:00:58,100 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-28 04:00:58,101 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-28 04:00:58,134 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 [2024-11-28 04:00:58,264 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 04:00:58,265 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 [2024-11-28 04:00:58,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:00:58,297 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:00:58,297 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:00:58,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [749949131] [2024-11-28 04:00:58,298 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [749949131] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:00:58,298 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:00:58,298 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 04:00:58,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237137856] [2024-11-28 04:00:58,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:00:58,298 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 04:00:58,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:00:58,299 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 04:00:58,300 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:00:58,301 INFO L87 Difference]: Start difference. First operand 348 states and 448 transitions. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:00:59,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:00:59,117 INFO L93 Difference]: Finished difference Result 532 states and 692 transitions. [2024-11-28 04:00:59,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 04:00:59,119 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2024-11-28 04:00:59,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:00:59,122 INFO L225 Difference]: With dead ends: 532 [2024-11-28 04:00:59,122 INFO L226 Difference]: Without dead ends: 532 [2024-11-28 04:00:59,122 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:00:59,125 INFO L435 NwaCegarLoop]: 313 mSDtfsCounter, 236 mSDsluCounter, 575 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 248 SdHoareTripleChecker+Valid, 888 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-28 04:00:59,126 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [248 Valid, 888 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-28 04:00:59,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 532 states. [2024-11-28 04:00:59,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 532 to 347. [2024-11-28 04:00:59,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 347 states, 324 states have (on average 1.2839506172839505) internal successors, (416), 329 states have internal predecessors, (416), 17 states have call successors, (17), 5 states have call predecessors, (17), 4 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-28 04:00:59,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 347 states and 446 transitions. [2024-11-28 04:00:59,170 INFO L78 Accepts]: Start accepts. Automaton has 347 states and 446 transitions. Word has length 15 [2024-11-28 04:00:59,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:00:59,170 INFO L471 AbstractCegarLoop]: Abstraction has 347 states and 446 transitions. [2024-11-28 04:00:59,171 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:00:59,171 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 446 transitions. [2024-11-28 04:00:59,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-28 04:00:59,172 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:00:59,173 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] [2024-11-28 04:00:59,185 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa4c21e-dccd-4b16-8a7e-a1de431d9a1c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-28 04:00:59,373 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa4c21e-dccd-4b16-8a7e-a1de431d9a1c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:00:59,373 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-28 04:00:59,374 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:00:59,374 INFO L85 PathProgramCache]: Analyzing trace with hash -409976656, now seen corresponding path program 1 times [2024-11-28 04:00:59,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:00:59,375 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [697316119] [2024-11-28 04:00:59,375 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:00:59,375 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:00:59,375 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa4c21e-dccd-4b16-8a7e-a1de431d9a1c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:00:59,378 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa4c21e-dccd-4b16-8a7e-a1de431d9a1c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:00:59,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa4c21e-dccd-4b16-8a7e-a1de431d9a1c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-28 04:00:59,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:00:59,789 INFO L256 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 04:00:59,792 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:00:59,825 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:00:59,825 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:00:59,825 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:00:59,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [697316119] [2024-11-28 04:00:59,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [697316119] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:00:59,825 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:00:59,825 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:00:59,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [60178029] [2024-11-28 04:00:59,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:00:59,826 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:00:59,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:00:59,826 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:00:59,827 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:00:59,827 INFO L87 Difference]: Start difference. First operand 347 states and 446 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 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) [2024-11-28 04:01:00,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:01:00,012 INFO L93 Difference]: Finished difference Result 387 states and 486 transitions. [2024-11-28 04:01:00,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:01:00,012 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 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 51 [2024-11-28 04:01:00,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:01:00,015 INFO L225 Difference]: With dead ends: 387 [2024-11-28 04:01:00,015 INFO L226 Difference]: Without dead ends: 387 [2024-11-28 04:01:00,015 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:01:00,016 INFO L435 NwaCegarLoop]: 278 mSDtfsCounter, 9 mSDsluCounter, 263 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 541 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 04:01:00,017 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 541 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 04:01:00,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 387 states. [2024-11-28 04:01:00,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 387 to 387. [2024-11-28 04:01:00,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 387 states, 364 states have (on average 1.2527472527472527) internal successors, (456), 369 states have internal predecessors, (456), 17 states have call successors, (17), 5 states have call predecessors, (17), 4 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-28 04:01:00,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 387 states and 486 transitions. [2024-11-28 04:01:00,040 INFO L78 Accepts]: Start accepts. Automaton has 387 states and 486 transitions. Word has length 51 [2024-11-28 04:01:00,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:01:00,040 INFO L471 AbstractCegarLoop]: Abstraction has 387 states and 486 transitions. [2024-11-28 04:01:00,040 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 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) [2024-11-28 04:01:00,041 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 486 transitions. [2024-11-28 04:01:00,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-28 04:01:00,042 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:01:00,042 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] [2024-11-28 04:01:00,067 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa4c21e-dccd-4b16-8a7e-a1de431d9a1c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-28 04:01:00,242 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa4c21e-dccd-4b16-8a7e-a1de431d9a1c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:01:00,243 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-28 04:01:00,243 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:01:00,244 INFO L85 PathProgramCache]: Analyzing trace with hash -234464588, now seen corresponding path program 1 times [2024-11-28 04:01:00,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:01:00,245 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [476782460] [2024-11-28 04:01:00,245 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:01:00,245 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:01:00,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa4c21e-dccd-4b16-8a7e-a1de431d9a1c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:01:00,249 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa4c21e-dccd-4b16-8a7e-a1de431d9a1c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:01:00,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa4c21e-dccd-4b16-8a7e-a1de431d9a1c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-28 04:01:00,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:01:00,660 INFO L256 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 04:01:00,663 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:01:00,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:01:00,733 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:01:00,734 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:01:00,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [476782460] [2024-11-28 04:01:00,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [476782460] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:01:00,734 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:01:00,734 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 04:01:00,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139702083] [2024-11-28 04:01:00,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:01:00,739 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 04:01:00,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:01:00,740 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 04:01:00,740 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:01:00,740 INFO L87 Difference]: Start difference. First operand 387 states and 486 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 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) [2024-11-28 04:01:00,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:01:00,941 INFO L93 Difference]: Finished difference Result 351 states and 428 transitions. [2024-11-28 04:01:00,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 04:01:00,942 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 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 51 [2024-11-28 04:01:00,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:01:00,944 INFO L225 Difference]: With dead ends: 351 [2024-11-28 04:01:00,944 INFO L226 Difference]: Without dead ends: 351 [2024-11-28 04:01:00,944 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:01:00,946 INFO L435 NwaCegarLoop]: 264 mSDtfsCounter, 32 mSDsluCounter, 514 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 778 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 04:01:00,946 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 778 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 04:01:00,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351 states. [2024-11-28 04:01:00,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351 to 351. [2024-11-28 04:01:00,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 351 states, 328 states have (on average 1.2134146341463414) internal successors, (398), 333 states have internal predecessors, (398), 17 states have call successors, (17), 5 states have call predecessors, (17), 4 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-28 04:01:00,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 428 transitions. [2024-11-28 04:01:00,961 INFO L78 Accepts]: Start accepts. Automaton has 351 states and 428 transitions. Word has length 51 [2024-11-28 04:01:00,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:01:00,962 INFO L471 AbstractCegarLoop]: Abstraction has 351 states and 428 transitions. [2024-11-28 04:01:00,962 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 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) [2024-11-28 04:01:00,962 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 428 transitions. [2024-11-28 04:01:00,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-28 04:01:00,963 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:01:00,964 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] [2024-11-28 04:01:00,982 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa4c21e-dccd-4b16-8a7e-a1de431d9a1c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-28 04:01:01,164 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa4c21e-dccd-4b16-8a7e-a1de431d9a1c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:01:01,165 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-28 04:01:01,165 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:01:01,165 INFO L85 PathProgramCache]: Analyzing trace with hash 242751718, now seen corresponding path program 1 times [2024-11-28 04:01:01,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:01:01,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1346524331] [2024-11-28 04:01:01,166 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:01:01,166 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:01:01,166 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa4c21e-dccd-4b16-8a7e-a1de431d9a1c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:01:01,168 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa4c21e-dccd-4b16-8a7e-a1de431d9a1c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:01:01,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa4c21e-dccd-4b16-8a7e-a1de431d9a1c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-28 04:01:01,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:01:01,534 INFO L256 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-28 04:01:01,538 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:01:01,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:01:01,938 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:01:01,938 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:01:01,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1346524331] [2024-11-28 04:01:01,939 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1346524331] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:01:01,939 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:01:01,939 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-28 04:01:01,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825427391] [2024-11-28 04:01:01,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:01:01,940 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 04:01:01,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:01:01,941 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 04:01:01,942 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-28 04:01:01,942 INFO L87 Difference]: Start difference. First operand 351 states and 428 transitions. Second operand has 8 states, 7 states have (on average 6.857142857142857) internal successors, (48), 5 states have internal predecessors, (48), 3 states have call successors, (3), 3 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:01:02,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:01:02,160 INFO L93 Difference]: Finished difference Result 360 states and 438 transitions. [2024-11-28 04:01:02,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 04:01:02,161 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 6.857142857142857) internal successors, (48), 5 states have internal predecessors, (48), 3 states have call successors, (3), 3 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 51 [2024-11-28 04:01:02,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:01:02,169 INFO L225 Difference]: With dead ends: 360 [2024-11-28 04:01:02,169 INFO L226 Difference]: Without dead ends: 360 [2024-11-28 04:01:02,170 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-28 04:01:02,171 INFO L435 NwaCegarLoop]: 280 mSDtfsCounter, 8 mSDsluCounter, 1157 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 1437 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 04:01:02,171 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 1437 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 04:01:02,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2024-11-28 04:01:02,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 359. [2024-11-28 04:01:02,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 359 states, 333 states have (on average 1.2102102102102101) internal successors, (403), 339 states have internal predecessors, (403), 19 states have call successors, (19), 7 states have call predecessors, (19), 5 states have return successors, (15), 13 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-28 04:01:02,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 359 states and 437 transitions. [2024-11-28 04:01:02,195 INFO L78 Accepts]: Start accepts. Automaton has 359 states and 437 transitions. Word has length 51 [2024-11-28 04:01:02,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:01:02,196 INFO L471 AbstractCegarLoop]: Abstraction has 359 states and 437 transitions. [2024-11-28 04:01:02,196 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 6.857142857142857) internal successors, (48), 5 states have internal predecessors, (48), 3 states have call successors, (3), 3 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:01:02,198 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 437 transitions. [2024-11-28 04:01:02,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-28 04:01:02,200 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:01:02,200 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] [2024-11-28 04:01:02,213 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa4c21e-dccd-4b16-8a7e-a1de431d9a1c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-28 04:01:02,401 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa4c21e-dccd-4b16-8a7e-a1de431d9a1c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:01:02,401 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-28 04:01:02,402 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:01:02,402 INFO L85 PathProgramCache]: Analyzing trace with hash -456677214, now seen corresponding path program 1 times [2024-11-28 04:01:02,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:01:02,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [989865622] [2024-11-28 04:01:02,403 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:01:02,403 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:01:02,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa4c21e-dccd-4b16-8a7e-a1de431d9a1c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:01:02,405 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa4c21e-dccd-4b16-8a7e-a1de431d9a1c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:01:02,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa4c21e-dccd-4b16-8a7e-a1de431d9a1c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-28 04:01:02,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:01:02,939 INFO L256 TraceCheckSpWp]: Trace formula consists of 435 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 04:01:02,942 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:01:03,089 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:01:03,093 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:01:03,093 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:01:03,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [989865622] [2024-11-28 04:01:03,093 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [989865622] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:01:03,093 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:01:03,093 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 04:01:03,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83335843] [2024-11-28 04:01:03,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:01:03,094 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 04:01:03,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:01:03,095 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 04:01:03,095 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:01:03,096 INFO L87 Difference]: Start difference. First operand 359 states and 437 transitions. Second operand has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 3 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-28 04:01:03,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:01:03,540 INFO L93 Difference]: Finished difference Result 947 states and 1176 transitions. [2024-11-28 04:01:03,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 04:01:03,541 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 3 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) Word has length 71 [2024-11-28 04:01:03,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:01:03,546 INFO L225 Difference]: With dead ends: 947 [2024-11-28 04:01:03,546 INFO L226 Difference]: Without dead ends: 947 [2024-11-28 04:01:03,547 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:01:03,548 INFO L435 NwaCegarLoop]: 634 mSDtfsCounter, 521 mSDsluCounter, 846 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 521 SdHoareTripleChecker+Valid, 1480 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 04:01:03,548 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [521 Valid, 1480 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 04:01:03,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 947 states. [2024-11-28 04:01:03,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 947 to 890. [2024-11-28 04:01:03,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 890 states, 844 states have (on average 1.2322274881516588) internal successors, (1040), 851 states have internal predecessors, (1040), 33 states have call successors, (33), 12 states have call predecessors, (33), 11 states have return successors, (32), 26 states have call predecessors, (32), 29 states have call successors, (32) [2024-11-28 04:01:03,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 890 states to 890 states and 1105 transitions. [2024-11-28 04:01:03,583 INFO L78 Accepts]: Start accepts. Automaton has 890 states and 1105 transitions. Word has length 71 [2024-11-28 04:01:03,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:01:03,584 INFO L471 AbstractCegarLoop]: Abstraction has 890 states and 1105 transitions. [2024-11-28 04:01:03,584 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 3 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-28 04:01:03,584 INFO L276 IsEmpty]: Start isEmpty. Operand 890 states and 1105 transitions. [2024-11-28 04:01:03,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-28 04:01:03,586 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:01:03,586 INFO L218 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:01:03,599 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa4c21e-dccd-4b16-8a7e-a1de431d9a1c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-28 04:01:03,786 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa4c21e-dccd-4b16-8a7e-a1de431d9a1c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:01:03,787 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-28 04:01:03,787 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:01:03,787 INFO L85 PathProgramCache]: Analyzing trace with hash -36727708, now seen corresponding path program 1 times [2024-11-28 04:01:03,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:01:03,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1070365948] [2024-11-28 04:01:03,788 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:01:03,788 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:01:03,788 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa4c21e-dccd-4b16-8a7e-a1de431d9a1c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:01:03,791 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa4c21e-dccd-4b16-8a7e-a1de431d9a1c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:01:03,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa4c21e-dccd-4b16-8a7e-a1de431d9a1c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-28 04:01:04,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:01:04,352 INFO L256 TraceCheckSpWp]: Trace formula consists of 621 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 04:01:04,357 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:01:04,428 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-28 04:01:04,431 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:01:04,431 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:01:04,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1070365948] [2024-11-28 04:01:04,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1070365948] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:01:04,431 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:01:04,432 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 04:01:04,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504351574] [2024-11-28 04:01:04,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:01:04,432 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 04:01:04,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:01:04,433 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 04:01:04,433 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:01:04,434 INFO L87 Difference]: Start difference. First operand 890 states and 1105 transitions. Second operand has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-28 04:01:04,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:01:04,513 INFO L93 Difference]: Finished difference Result 902 states and 1120 transitions. [2024-11-28 04:01:04,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 04:01:04,514 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) Word has length 97 [2024-11-28 04:01:04,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:01:04,521 INFO L225 Difference]: With dead ends: 902 [2024-11-28 04:01:04,521 INFO L226 Difference]: Without dead ends: 902 [2024-11-28 04:01:04,521 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:01:04,522 INFO L435 NwaCegarLoop]: 283 mSDtfsCounter, 0 mSDsluCounter, 558 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 841 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:01:04,522 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 841 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 04:01:04,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 902 states. [2024-11-28 04:01:04,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 902 to 902. [2024-11-28 04:01:04,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 902 states, 853 states have (on average 1.2332942555685815) internal successors, (1052), 863 states have internal predecessors, (1052), 33 states have call successors, (33), 12 states have call predecessors, (33), 14 states have return successors, (35), 26 states have call predecessors, (35), 29 states have call successors, (35) [2024-11-28 04:01:04,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 902 states to 902 states and 1120 transitions. [2024-11-28 04:01:04,574 INFO L78 Accepts]: Start accepts. Automaton has 902 states and 1120 transitions. Word has length 97 [2024-11-28 04:01:04,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:01:04,575 INFO L471 AbstractCegarLoop]: Abstraction has 902 states and 1120 transitions. [2024-11-28 04:01:04,575 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-28 04:01:04,575 INFO L276 IsEmpty]: Start isEmpty. Operand 902 states and 1120 transitions. [2024-11-28 04:01:04,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-28 04:01:04,579 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:01:04,579 INFO L218 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:01:04,598 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa4c21e-dccd-4b16-8a7e-a1de431d9a1c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-28 04:01:04,780 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa4c21e-dccd-4b16-8a7e-a1de431d9a1c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:01:04,780 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-28 04:01:04,781 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:01:04,781 INFO L85 PathProgramCache]: Analyzing trace with hash 870411298, now seen corresponding path program 1 times [2024-11-28 04:01:04,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:01:04,781 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2029657857] [2024-11-28 04:01:04,781 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:01:04,781 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:01:04,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa4c21e-dccd-4b16-8a7e-a1de431d9a1c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:01:04,784 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa4c21e-dccd-4b16-8a7e-a1de431d9a1c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:01:04,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa4c21e-dccd-4b16-8a7e-a1de431d9a1c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-28 04:01:05,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:01:05,356 INFO L256 TraceCheckSpWp]: Trace formula consists of 643 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-28 04:01:05,361 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:01:05,930 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 3 proven. 15 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 04:01:05,932 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:01:06,411 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 7 proven. 5 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-28 04:01:06,411 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:01:06,412 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2029657857] [2024-11-28 04:01:06,412 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2029657857] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:01:06,412 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 04:01:06,412 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 14 [2024-11-28 04:01:06,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943674270] [2024-11-28 04:01:06,412 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 04:01:06,413 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-28 04:01:06,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:01:06,413 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-28 04:01:06,414 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2024-11-28 04:01:06,414 INFO L87 Difference]: Start difference. First operand 902 states and 1120 transitions. Second operand has 14 states, 14 states have (on average 11.571428571428571) internal successors, (162), 12 states have internal predecessors, (162), 8 states have call successors, (14), 7 states have call predecessors, (14), 7 states have return successors, (10), 5 states have call predecessors, (10), 7 states have call successors, (10) [2024-11-28 04:01:10,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:01:10,399 INFO L93 Difference]: Finished difference Result 3400 states and 4264 transitions. [2024-11-28 04:01:10,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-28 04:01:10,401 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 11.571428571428571) internal successors, (162), 12 states have internal predecessors, (162), 8 states have call successors, (14), 7 states have call predecessors, (14), 7 states have return successors, (10), 5 states have call predecessors, (10), 7 states have call successors, (10) Word has length 99 [2024-11-28 04:01:10,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:01:10,421 INFO L225 Difference]: With dead ends: 3400 [2024-11-28 04:01:10,421 INFO L226 Difference]: Without dead ends: 3400 [2024-11-28 04:01:10,422 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 232 GetRequests, 202 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 185 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=245, Invalid=747, Unknown=0, NotChecked=0, Total=992 [2024-11-28 04:01:10,424 INFO L435 NwaCegarLoop]: 979 mSDtfsCounter, 3353 mSDsluCounter, 6434 mSDsCounter, 0 mSdLazyCounter, 1030 mSolverCounterSat, 271 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3384 SdHoareTripleChecker+Valid, 7413 SdHoareTripleChecker+Invalid, 1301 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 271 IncrementalHoareTripleChecker+Valid, 1030 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:01:10,424 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3384 Valid, 7413 Invalid, 1301 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [271 Valid, 1030 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2024-11-28 04:01:10,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3400 states. [2024-11-28 04:01:10,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3400 to 2518. [2024-11-28 04:01:10,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2518 states, 2418 states have (on average 1.239867659222498) internal successors, (2998), 2436 states have internal predecessors, (2998), 69 states have call successors, (69), 26 states have call predecessors, (69), 29 states have return successors, (74), 55 states have call predecessors, (74), 65 states have call successors, (74) [2024-11-28 04:01:10,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2518 states to 2518 states and 3141 transitions. [2024-11-28 04:01:10,513 INFO L78 Accepts]: Start accepts. Automaton has 2518 states and 3141 transitions. Word has length 99 [2024-11-28 04:01:10,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:01:10,514 INFO L471 AbstractCegarLoop]: Abstraction has 2518 states and 3141 transitions. [2024-11-28 04:01:10,514 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 11.571428571428571) internal successors, (162), 12 states have internal predecessors, (162), 8 states have call successors, (14), 7 states have call predecessors, (14), 7 states have return successors, (10), 5 states have call predecessors, (10), 7 states have call successors, (10) [2024-11-28 04:01:10,514 INFO L276 IsEmpty]: Start isEmpty. Operand 2518 states and 3141 transitions. [2024-11-28 04:01:10,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-28 04:01:10,537 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:01:10,537 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:01:10,556 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa4c21e-dccd-4b16-8a7e-a1de431d9a1c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-28 04:01:10,737 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa4c21e-dccd-4b16-8a7e-a1de431d9a1c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:01:10,738 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-28 04:01:10,742 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:01:10,743 INFO L85 PathProgramCache]: Analyzing trace with hash -295317679, now seen corresponding path program 1 times [2024-11-28 04:01:10,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:01:10,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1970197095] [2024-11-28 04:01:10,744 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:01:10,744 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:01:10,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa4c21e-dccd-4b16-8a7e-a1de431d9a1c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:01:10,749 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa4c21e-dccd-4b16-8a7e-a1de431d9a1c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:01:10,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa4c21e-dccd-4b16-8a7e-a1de431d9a1c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-28 04:01:11,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:01:11,363 INFO L256 TraceCheckSpWp]: Trace formula consists of 651 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 04:01:11,400 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:01:11,418 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-28 04:01:11,419 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-28 04:01:11,419 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-28 04:01:11,422 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 [2024-11-28 04:01:11,512 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 04:01:11,512 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 [2024-11-28 04:01:11,536 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-28 04:01:11,536 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:01:11,536 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:01:11,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1970197095] [2024-11-28 04:01:11,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1970197095] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:01:11,536 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:01:11,537 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 04:01:11,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1797444763] [2024-11-28 04:01:11,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:01:11,537 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 04:01:11,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:01:11,538 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 04:01:11,539 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:01:11,540 INFO L87 Difference]: Start difference. First operand 2518 states and 3141 transitions. Second operand has 4 states, 4 states have (on average 21.75) internal successors, (87), 4 states have internal predecessors, (87), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-28 04:01:12,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:01:12,518 INFO L93 Difference]: Finished difference Result 3545 states and 4494 transitions. [2024-11-28 04:01:12,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 04:01:12,519 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.75) internal successors, (87), 4 states have internal predecessors, (87), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 107 [2024-11-28 04:01:12,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:01:12,534 INFO L225 Difference]: With dead ends: 3545 [2024-11-28 04:01:12,534 INFO L226 Difference]: Without dead ends: 3545 [2024-11-28 04:01:12,535 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:01:12,536 INFO L435 NwaCegarLoop]: 266 mSDtfsCounter, 220 mSDsluCounter, 518 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 229 SdHoareTripleChecker+Valid, 784 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-28 04:01:12,537 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [229 Valid, 784 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-28 04:01:12,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3545 states. [2024-11-28 04:01:12,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3545 to 2534. [2024-11-28 04:01:12,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2534 states, 2434 states have (on average 1.238290879211175) internal successors, (3014), 2452 states have internal predecessors, (3014), 69 states have call successors, (69), 26 states have call predecessors, (69), 29 states have return successors, (74), 55 states have call predecessors, (74), 65 states have call successors, (74) [2024-11-28 04:01:12,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2534 states to 2534 states and 3157 transitions. [2024-11-28 04:01:12,631 INFO L78 Accepts]: Start accepts. Automaton has 2534 states and 3157 transitions. Word has length 107 [2024-11-28 04:01:12,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:01:12,632 INFO L471 AbstractCegarLoop]: Abstraction has 2534 states and 3157 transitions. [2024-11-28 04:01:12,632 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.75) internal successors, (87), 4 states have internal predecessors, (87), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-28 04:01:12,632 INFO L276 IsEmpty]: Start isEmpty. Operand 2534 states and 3157 transitions. [2024-11-28 04:01:12,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-28 04:01:12,634 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:01:12,634 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:01:12,653 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa4c21e-dccd-4b16-8a7e-a1de431d9a1c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-28 04:01:12,835 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa4c21e-dccd-4b16-8a7e-a1de431d9a1c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:01:12,835 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-28 04:01:12,836 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:01:12,836 INFO L85 PathProgramCache]: Analyzing trace with hash -1836113047, now seen corresponding path program 1 times [2024-11-28 04:01:12,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:01:12,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [806822074] [2024-11-28 04:01:12,837 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:01:12,837 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:01:12,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa4c21e-dccd-4b16-8a7e-a1de431d9a1c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:01:12,841 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa4c21e-dccd-4b16-8a7e-a1de431d9a1c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:01:12,843 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa4c21e-dccd-4b16-8a7e-a1de431d9a1c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-28 04:01:13,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:01:13,490 INFO L256 TraceCheckSpWp]: Trace formula consists of 740 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-28 04:01:13,493 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:01:13,590 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 29 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-28 04:01:13,591 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:01:13,854 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-28 04:01:13,855 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:01:13,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [806822074] [2024-11-28 04:01:13,855 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [806822074] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:01:13,855 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 04:01:13,855 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-11-28 04:01:13,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497402918] [2024-11-28 04:01:13,856 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 04:01:13,856 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 04:01:13,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:01:13,857 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 04:01:13,857 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-28 04:01:13,857 INFO L87 Difference]: Start difference. First operand 2534 states and 3157 transitions. Second operand has 8 states, 8 states have (on average 12.5) internal successors, (100), 8 states have internal predecessors, (100), 2 states have call successors, (11), 2 states have call predecessors, (11), 4 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-28 04:01:14,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:01:14,105 INFO L93 Difference]: Finished difference Result 2612 states and 3271 transitions. [2024-11-28 04:01:14,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-28 04:01:14,106 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.5) internal successors, (100), 8 states have internal predecessors, (100), 2 states have call successors, (11), 2 states have call predecessors, (11), 4 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 114 [2024-11-28 04:01:14,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:01:14,115 INFO L225 Difference]: With dead ends: 2612 [2024-11-28 04:01:14,116 INFO L226 Difference]: Without dead ends: 2612 [2024-11-28 04:01:14,116 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 229 GetRequests, 220 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=44, Invalid=66, Unknown=0, NotChecked=0, Total=110 [2024-11-28 04:01:14,117 INFO L435 NwaCegarLoop]: 281 mSDtfsCounter, 5 mSDsluCounter, 559 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 840 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:01:14,117 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 840 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 04:01:14,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2612 states. [2024-11-28 04:01:14,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2612 to 2594. [2024-11-28 04:01:14,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2594 states, 2488 states have (on average 1.247588424437299) internal successors, (3104), 2506 states have internal predecessors, (3104), 69 states have call successors, (69), 32 states have call predecessors, (69), 35 states have return successors, (80), 55 states have call predecessors, (80), 65 states have call successors, (80) [2024-11-28 04:01:14,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2594 states to 2594 states and 3253 transitions. [2024-11-28 04:01:14,199 INFO L78 Accepts]: Start accepts. Automaton has 2594 states and 3253 transitions. Word has length 114 [2024-11-28 04:01:14,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:01:14,199 INFO L471 AbstractCegarLoop]: Abstraction has 2594 states and 3253 transitions. [2024-11-28 04:01:14,199 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.5) internal successors, (100), 8 states have internal predecessors, (100), 2 states have call successors, (11), 2 states have call predecessors, (11), 4 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-28 04:01:14,199 INFO L276 IsEmpty]: Start isEmpty. Operand 2594 states and 3253 transitions. [2024-11-28 04:01:14,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-28 04:01:14,200 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:01:14,200 INFO L218 NwaCegarLoop]: trace histogram [6, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:01:14,218 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa4c21e-dccd-4b16-8a7e-a1de431d9a1c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-28 04:01:14,401 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa4c21e-dccd-4b16-8a7e-a1de431d9a1c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:01:14,401 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-28 04:01:14,402 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:01:14,402 INFO L85 PathProgramCache]: Analyzing trace with hash -792457529, now seen corresponding path program 2 times [2024-11-28 04:01:14,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:01:14,403 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2128008494] [2024-11-28 04:01:14,403 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 04:01:14,403 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:01:14,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa4c21e-dccd-4b16-8a7e-a1de431d9a1c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:01:14,407 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa4c21e-dccd-4b16-8a7e-a1de431d9a1c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:01:14,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa4c21e-dccd-4b16-8a7e-a1de431d9a1c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-28 04:10:25,962 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 04:10:25,962 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 04:10:26,011 INFO L256 TraceCheckSpWp]: Trace formula consists of 784 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-28 04:10:26,015 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:10:26,154 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 36 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-28 04:10:26,154 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:10:26,540 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-28 04:10:26,540 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:10:26,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2128008494] [2024-11-28 04:10:26,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2128008494] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:10:26,541 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 04:10:26,541 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2024-11-28 04:10:26,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1766150755] [2024-11-28 04:10:26,541 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 04:10:26,542 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 04:10:26,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:10:26,543 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 04:10:26,543 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-11-28 04:10:26,543 INFO L87 Difference]: Start difference. First operand 2594 states and 3253 transitions. Second operand has 10 states, 10 states have (on average 10.3) internal successors, (103), 10 states have internal predecessors, (103), 2 states have call successors, (13), 2 states have call predecessors, (13), 4 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-28 04:10:27,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:10:27,196 INFO L93 Difference]: Finished difference Result 2654 states and 3325 transitions. [2024-11-28 04:10:27,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-28 04:10:27,197 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 10.3) internal successors, (103), 10 states have internal predecessors, (103), 2 states have call successors, (13), 2 states have call predecessors, (13), 4 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 118 [2024-11-28 04:10:27,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:10:27,208 INFO L225 Difference]: With dead ends: 2654 [2024-11-28 04:10:27,208 INFO L226 Difference]: Without dead ends: 2636 [2024-11-28 04:10:27,208 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 239 GetRequests, 226 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=80, Invalid=130, Unknown=0, NotChecked=0, Total=210 [2024-11-28 04:10:27,209 INFO L435 NwaCegarLoop]: 284 mSDtfsCounter, 6 mSDsluCounter, 1391 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 1675 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 04:10:27,209 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 1675 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 04:10:27,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2636 states. [2024-11-28 04:10:27,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2636 to 2618. [2024-11-28 04:10:27,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2618 states, 2512 states have (on average 1.25) internal successors, (3140), 2530 states have internal predecessors, (3140), 69 states have call successors, (69), 32 states have call predecessors, (69), 35 states have return successors, (74), 55 states have call predecessors, (74), 65 states have call successors, (74) [2024-11-28 04:10:27,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2618 states to 2618 states and 3283 transitions. [2024-11-28 04:10:27,291 INFO L78 Accepts]: Start accepts. Automaton has 2618 states and 3283 transitions. Word has length 118 [2024-11-28 04:10:27,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:10:27,292 INFO L471 AbstractCegarLoop]: Abstraction has 2618 states and 3283 transitions. [2024-11-28 04:10:27,292 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.3) internal successors, (103), 10 states have internal predecessors, (103), 2 states have call successors, (13), 2 states have call predecessors, (13), 4 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-28 04:10:27,292 INFO L276 IsEmpty]: Start isEmpty. Operand 2618 states and 3283 transitions. [2024-11-28 04:10:27,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-28 04:10:27,294 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:10:27,294 INFO L218 NwaCegarLoop]: trace histogram [10, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:10:27,393 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa4c21e-dccd-4b16-8a7e-a1de431d9a1c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-28 04:10:27,494 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa4c21e-dccd-4b16-8a7e-a1de431d9a1c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:10:27,495 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-28 04:10:27,496 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:10:27,496 INFO L85 PathProgramCache]: Analyzing trace with hash 958324999, now seen corresponding path program 3 times [2024-11-28 04:10:27,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:10:27,497 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1185307013] [2024-11-28 04:10:27,497 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-28 04:10:27,497 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:10:27,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa4c21e-dccd-4b16-8a7e-a1de431d9a1c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:10:27,500 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa4c21e-dccd-4b16-8a7e-a1de431d9a1c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:10:27,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aa4c21e-dccd-4b16-8a7e-a1de431d9a1c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process