./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0834.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fd176e9-b665-47ea-99c4-3bd99162f209/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fd176e9-b665-47ea-99c4-3bd99162f209/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_8fd176e9-b665-47ea-99c4-3bd99162f209/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fd176e9-b665-47ea-99c4-3bd99162f209/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0834.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fd176e9-b665-47ea-99c4-3bd99162f209/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fd176e9-b665-47ea-99c4-3bd99162f209/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 128b4841c61be319288af708e8567b4a053d8431485e24fb8ee12b4e2218f817 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 04:34:55,926 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 04:34:56,007 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fd176e9-b665-47ea-99c4-3bd99162f209/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-28 04:34:56,016 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 04:34:56,017 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 04:34:56,043 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 04:34:56,044 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 04:34:56,044 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 04:34:56,045 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 04:34:56,045 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 04:34:56,045 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 04:34:56,045 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 04:34:56,045 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 04:34:56,046 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 04:34:56,046 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 04:34:56,046 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 04:34:56,046 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 04:34:56,046 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 04:34:56,046 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 04:34:56,047 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 04:34:56,047 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 04:34:56,047 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 04:34:56,047 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 04:34:56,047 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 04:34:56,047 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 04:34:56,047 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 04:34:56,048 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 04:34:56,048 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 04:34:56,048 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 04:34:56,048 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:34:56,048 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:34:56,048 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:34:56,048 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:34:56,048 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 04:34:56,048 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:34:56,049 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:34:56,049 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:34:56,049 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:34:56,049 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 04:34:56,049 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 04:34:56,049 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 04:34:56,049 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 04:34:56,049 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 04:34:56,049 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 04:34:56,049 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 04:34:56,049 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 04:34:56,049 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 04:34:56,049 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 04:34:56,049 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_8fd176e9-b665-47ea-99c4-3bd99162f209/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 ! call(reach_error())) ) 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 -> 128b4841c61be319288af708e8567b4a053d8431485e24fb8ee12b4e2218f817 [2024-11-28 04:34:56,417 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 04:34:56,429 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 04:34:56,432 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 04:34:56,433 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 04:34:56,437 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 04:34:56,438 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fd176e9-b665-47ea-99c4-3bd99162f209/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/float-newlib/double_req_bl_0834.c [2024-11-28 04:34:59,416 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fd176e9-b665-47ea-99c4-3bd99162f209/bin/uautomizer-verify-aQ6SnzHsRB/data/871014fd7/77aa3db9bea14fc488a3443e3a140f65/FLAGe1efdfd48 [2024-11-28 04:34:59,718 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 04:34:59,719 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fd176e9-b665-47ea-99c4-3bd99162f209/sv-benchmarks/c/float-newlib/double_req_bl_0834.c [2024-11-28 04:34:59,728 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fd176e9-b665-47ea-99c4-3bd99162f209/bin/uautomizer-verify-aQ6SnzHsRB/data/871014fd7/77aa3db9bea14fc488a3443e3a140f65/FLAGe1efdfd48 [2024-11-28 04:34:59,744 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fd176e9-b665-47ea-99c4-3bd99162f209/bin/uautomizer-verify-aQ6SnzHsRB/data/871014fd7/77aa3db9bea14fc488a3443e3a140f65 [2024-11-28 04:34:59,747 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 04:34:59,748 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 04:34:59,750 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 04:34:59,750 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 04:34:59,758 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 04:34:59,759 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:34:59" (1/1) ... [2024-11-28 04:34:59,760 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7215ffeb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:34:59, skipping insertion in model container [2024-11-28 04:34:59,760 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:34:59" (1/1) ... [2024-11-28 04:34:59,779 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 04:34:59,946 ERROR L321 MainTranslator]: Unsupported Syntax: floats in unions are not supported in the integer translation. [2024-11-28 04:34:59,946 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1c585f06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:34:59, skipping insertion in model container [2024-11-28 04:34:59,947 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 04:34:59,948 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-11-28 04:34:59,949 INFO L158 Benchmark]: Toolchain (without parser) took 200.78ms. Allocated memory is still 117.4MB. Free memory was 92.3MB in the beginning and 83.8MB in the end (delta: 8.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 04:34:59,954 INFO L158 Benchmark]: CDTParser took 1.98ms. Allocated memory is still 117.4MB. Free memory is still 74.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:34:59,954 INFO L158 Benchmark]: CACSL2BoogieTranslator took 198.02ms. Allocated memory is still 117.4MB. Free memory was 92.3MB in the beginning and 83.8MB in the end (delta: 8.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 04:34:59,955 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.98ms. Allocated memory is still 117.4MB. Free memory is still 74.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 198.02ms. Allocated memory is still 117.4MB. Free memory was 92.3MB in the beginning and 83.8MB in the end (delta: 8.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 11]: Unsupported Syntax floats in unions are not supported in the integer 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_8fd176e9-b665-47ea-99c4-3bd99162f209/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fd176e9-b665-47ea-99c4-3bd99162f209/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_8fd176e9-b665-47ea-99c4-3bd99162f209/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fd176e9-b665-47ea-99c4-3bd99162f209/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0834.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fd176e9-b665-47ea-99c4-3bd99162f209/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fd176e9-b665-47ea-99c4-3bd99162f209/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 128b4841c61be319288af708e8567b4a053d8431485e24fb8ee12b4e2218f817 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 04:35:02,465 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 04:35:02,578 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fd176e9-b665-47ea-99c4-3bd99162f209/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-28 04:35:02,607 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 04:35:02,607 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 04:35:02,669 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 04:35:02,670 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 04:35:02,670 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 04:35:02,670 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 04:35:02,670 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 04:35:02,671 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 04:35:02,671 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 04:35:02,671 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 04:35:02,671 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 04:35:02,671 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 04:35:02,671 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 04:35:02,672 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 04:35:02,672 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 04:35:02,672 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 04:35:02,672 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 04:35:02,672 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 04:35:02,672 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 04:35:02,672 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 04:35:02,672 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-28 04:35:02,672 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-28 04:35:02,673 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-28 04:35:02,673 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 04:35:02,673 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 04:35:02,673 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 04:35:02,673 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 04:35:02,673 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 04:35:02,673 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:35:02,673 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:35:02,673 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:35:02,674 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:35:02,674 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 04:35:02,674 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:35:02,674 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:35:02,674 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:35:02,674 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:35:02,676 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 04:35:02,676 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 04:35:02,676 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 04:35:02,676 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 04:35:02,676 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-28 04:35:02,676 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-28 04:35:02,676 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 04:35:02,677 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 04:35:02,677 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 04:35:02,677 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 04:35:02,677 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_8fd176e9-b665-47ea-99c4-3bd99162f209/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 ! call(reach_error())) ) 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 -> 128b4841c61be319288af708e8567b4a053d8431485e24fb8ee12b4e2218f817 [2024-11-28 04:35:02,960 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 04:35:02,969 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 04:35:02,971 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 04:35:02,973 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 04:35:02,973 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 04:35:02,975 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fd176e9-b665-47ea-99c4-3bd99162f209/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/float-newlib/double_req_bl_0834.c [2024-11-28 04:35:05,947 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fd176e9-b665-47ea-99c4-3bd99162f209/bin/uautomizer-verify-aQ6SnzHsRB/data/b9b6d36fa/b41be063107b4cb196a9a961c853167c/FLAGfa2bb1f1d [2024-11-28 04:35:06,226 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 04:35:06,227 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fd176e9-b665-47ea-99c4-3bd99162f209/sv-benchmarks/c/float-newlib/double_req_bl_0834.c [2024-11-28 04:35:06,236 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fd176e9-b665-47ea-99c4-3bd99162f209/bin/uautomizer-verify-aQ6SnzHsRB/data/b9b6d36fa/b41be063107b4cb196a9a961c853167c/FLAGfa2bb1f1d [2024-11-28 04:35:06,512 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fd176e9-b665-47ea-99c4-3bd99162f209/bin/uautomizer-verify-aQ6SnzHsRB/data/b9b6d36fa/b41be063107b4cb196a9a961c853167c [2024-11-28 04:35:06,514 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 04:35:06,515 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 04:35:06,517 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 04:35:06,517 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 04:35:06,522 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 04:35:06,522 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:35:06" (1/1) ... [2024-11-28 04:35:06,523 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5553026a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:35:06, skipping insertion in model container [2024-11-28 04:35:06,524 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:35:06" (1/1) ... [2024-11-28 04:35:06,541 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 04:35:06,728 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fd176e9-b665-47ea-99c4-3bd99162f209/sv-benchmarks/c/float-newlib/double_req_bl_0834.c[4256,4269] [2024-11-28 04:35:06,731 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:35:06,744 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 04:35:06,782 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fd176e9-b665-47ea-99c4-3bd99162f209/sv-benchmarks/c/float-newlib/double_req_bl_0834.c[4256,4269] [2024-11-28 04:35:06,782 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:35:06,804 INFO L204 MainTranslator]: Completed translation [2024-11-28 04:35:06,804 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:35:06 WrapperNode [2024-11-28 04:35:06,804 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 04:35:06,805 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 04:35:06,806 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 04:35:06,806 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 04:35:06,812 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:35:06" (1/1) ... [2024-11-28 04:35:06,823 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:35:06" (1/1) ... [2024-11-28 04:35:06,848 INFO L138 Inliner]: procedures = 21, calls = 54, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 201 [2024-11-28 04:35:06,849 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 04:35:06,849 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 04:35:06,849 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 04:35:06,849 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 04:35:06,862 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:35:06" (1/1) ... [2024-11-28 04:35:06,862 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:35:06" (1/1) ... [2024-11-28 04:35:06,867 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:35:06" (1/1) ... [2024-11-28 04:35:06,899 INFO L175 MemorySlicer]: Split 30 memory accesses to 11 slices as follows [2, 3, 3, 2, 4, 4, 2, 3, 3, 2, 2]. 13 percent of accesses are in the largest equivalence class. The 8 initializations are split as follows [2, 0, 2, 0, 2, 2, 0, 0, 0, 0, 0]. The 9 writes are split as follows [0, 2, 0, 1, 0, 0, 1, 2, 1, 1, 1]. [2024-11-28 04:35:06,901 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:35:06" (1/1) ... [2024-11-28 04:35:06,901 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:35:06" (1/1) ... [2024-11-28 04:35:06,935 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:35:06" (1/1) ... [2024-11-28 04:35:06,936 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:35:06" (1/1) ... [2024-11-28 04:35:06,945 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:35:06" (1/1) ... [2024-11-28 04:35:06,951 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:35:06" (1/1) ... [2024-11-28 04:35:06,953 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:35:06" (1/1) ... [2024-11-28 04:35:06,968 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 04:35:06,969 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 04:35:06,969 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 04:35:06,969 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 04:35:06,970 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:35:06" (1/1) ... [2024-11-28 04:35:06,979 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:35:06,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fd176e9-b665-47ea-99c4-3bd99162f209/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:35:07,010 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fd176e9-b665-47ea-99c4-3bd99162f209/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 04:35:07,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fd176e9-b665-47ea-99c4-3bd99162f209/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 04:35:07,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 04:35:07,045 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2024-11-28 04:35:07,045 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2024-11-28 04:35:07,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#2 [2024-11-28 04:35:07,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#3 [2024-11-28 04:35:07,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#4 [2024-11-28 04:35:07,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#5 [2024-11-28 04:35:07,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#6 [2024-11-28 04:35:07,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#7 [2024-11-28 04:35:07,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#8 [2024-11-28 04:35:07,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#9 [2024-11-28 04:35:07,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#10 [2024-11-28 04:35:07,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2024-11-28 04:35:07,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2024-11-28 04:35:07,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#2 [2024-11-28 04:35:07,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#3 [2024-11-28 04:35:07,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#4 [2024-11-28 04:35:07,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#5 [2024-11-28 04:35:07,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#6 [2024-11-28 04:35:07,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#7 [2024-11-28 04:35:07,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#8 [2024-11-28 04:35:07,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#9 [2024-11-28 04:35:07,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#10 [2024-11-28 04:35:07,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-28 04:35:07,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-28 04:35:07,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-28 04:35:07,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-28 04:35:07,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-28 04:35:07,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-28 04:35:07,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-11-28 04:35:07,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2024-11-28 04:35:07,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2024-11-28 04:35:07,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2024-11-28 04:35:07,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10 [2024-11-28 04:35:07,051 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-28 04:35:07,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#0 [2024-11-28 04:35:07,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#1 [2024-11-28 04:35:07,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#2 [2024-11-28 04:35:07,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#3 [2024-11-28 04:35:07,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#4 [2024-11-28 04:35:07,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#5 [2024-11-28 04:35:07,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#6 [2024-11-28 04:35:07,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#7 [2024-11-28 04:35:07,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#8 [2024-11-28 04:35:07,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#9 [2024-11-28 04:35:07,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#10 [2024-11-28 04:35:07,051 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-28 04:35:07,051 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-28 04:35:07,051 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-28 04:35:07,051 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-28 04:35:07,051 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-28 04:35:07,051 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-28 04:35:07,052 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-11-28 04:35:07,052 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2024-11-28 04:35:07,052 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2024-11-28 04:35:07,052 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9 [2024-11-28 04:35:07,052 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#10 [2024-11-28 04:35:07,052 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 04:35:07,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 04:35:07,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-28 04:35:07,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-28 04:35:07,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-28 04:35:07,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-28 04:35:07,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-28 04:35:07,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-11-28 04:35:07,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-11-28 04:35:07,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2024-11-28 04:35:07,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8 [2024-11-28 04:35:07,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#9 [2024-11-28 04:35:07,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#10 [2024-11-28 04:35:07,056 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-28 04:35:07,272 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 04:35:07,274 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 04:35:25,820 INFO L? ?]: Removed 39 outVars from TransFormulas that were not future-live. [2024-11-28 04:35:25,820 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 04:35:25,831 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 04:35:25,831 INFO L312 CfgBuilder]: Removed 7 assume(true) statements. [2024-11-28 04:35:25,832 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:35:25 BoogieIcfgContainer [2024-11-28 04:35:25,832 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 04:35:25,834 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 04:35:25,834 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 04:35:25,840 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 04:35:25,840 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:35:06" (1/3) ... [2024-11-28 04:35:25,841 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b333e12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:35:25, skipping insertion in model container [2024-11-28 04:35:25,841 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:35:06" (2/3) ... [2024-11-28 04:35:25,841 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b333e12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:35:25, skipping insertion in model container [2024-11-28 04:35:25,841 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:35:25" (3/3) ... [2024-11-28 04:35:25,843 INFO L128 eAbstractionObserver]: Analyzing ICFG double_req_bl_0834.c [2024-11-28 04:35:25,875 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 04:35:25,877 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG double_req_bl_0834.c that has 1 procedures, 41 locations, 1 initial locations, 7 loop locations, and 1 error locations. [2024-11-28 04:35:25,949 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 04:35:25,963 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=LoopHeads, 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;@9dbd82e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 04:35:25,964 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 04:35:25,968 INFO L276 IsEmpty]: Start isEmpty. Operand has 41 states, 39 states have (on average 1.6923076923076923) internal successors, (66), 40 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:35:25,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-28 04:35:25,975 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:35:25,976 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:35:25,976 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:35:25,980 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:35:25,980 INFO L85 PathProgramCache]: Analyzing trace with hash -1347488704, now seen corresponding path program 1 times [2024-11-28 04:35:25,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:35:25,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1585869280] [2024-11-28 04:35:25,990 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:35:25,991 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 04:35:25,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fd176e9-b665-47ea-99c4-3bd99162f209/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:35:25,996 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fd176e9-b665-47ea-99c4-3bd99162f209/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 04:35:25,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fd176e9-b665-47ea-99c4-3bd99162f209/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-28 04:35:26,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:35:26,466 INFO L256 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 04:35:26,469 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:35:26,485 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 04:35:26,485 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:35:26,486 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:35:26,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1585869280] [2024-11-28 04:35:26,486 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1585869280] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:35:26,487 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:35:26,487 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:35:26,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1046482546] [2024-11-28 04:35:26,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:35:26,492 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 04:35:26,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:35:26,510 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 04:35:26,511 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 04:35:26,513 INFO L87 Difference]: Start difference. First operand has 41 states, 39 states have (on average 1.6923076923076923) internal successors, (66), 40 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:35:26,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:35:26,529 INFO L93 Difference]: Finished difference Result 80 states and 130 transitions. [2024-11-28 04:35:26,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 04:35:26,531 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2024-11-28 04:35:26,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:35:26,539 INFO L225 Difference]: With dead ends: 80 [2024-11-28 04:35:26,539 INFO L226 Difference]: Without dead ends: 38 [2024-11-28 04:35:26,542 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 12 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 04:35:26,545 INFO L435 NwaCegarLoop]: 51 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, 51 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 04:35:26,546 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 04:35:26,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2024-11-28 04:35:26,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2024-11-28 04:35:26,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 37 states have (on average 1.2972972972972974) internal successors, (48), 37 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:35:26,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 48 transitions. [2024-11-28 04:35:26,579 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 48 transitions. Word has length 13 [2024-11-28 04:35:26,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:35:26,580 INFO L471 AbstractCegarLoop]: Abstraction has 38 states and 48 transitions. [2024-11-28 04:35:26,580 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:35:26,580 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 48 transitions. [2024-11-28 04:35:26,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-28 04:35:26,581 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:35:26,581 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:35:26,594 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fd176e9-b665-47ea-99c4-3bd99162f209/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-28 04:35:26,782 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fd176e9-b665-47ea-99c4-3bd99162f209/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 04:35:26,783 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:35:26,784 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:35:26,785 INFO L85 PathProgramCache]: Analyzing trace with hash 648713865, now seen corresponding path program 1 times [2024-11-28 04:35:26,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:35:26,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2111024350] [2024-11-28 04:35:26,786 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:35:26,786 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 04:35:26,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fd176e9-b665-47ea-99c4-3bd99162f209/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:35:26,790 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fd176e9-b665-47ea-99c4-3bd99162f209/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 04:35:26,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fd176e9-b665-47ea-99c4-3bd99162f209/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-28 04:35:27,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:35:27,280 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-28 04:35:27,283 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:35:28,108 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 04:35:28,108 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:35:28,108 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:35:28,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2111024350] [2024-11-28 04:35:28,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2111024350] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:35:28,109 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:35:28,109 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 04:35:28,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992111641] [2024-11-28 04:35:28,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:35:28,110 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 04:35:28,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:35:28,110 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 04:35:28,111 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:35:28,111 INFO L87 Difference]: Start difference. First operand 38 states and 48 transitions. Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:35:28,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:35:28,613 INFO L93 Difference]: Finished difference Result 46 states and 55 transitions. [2024-11-28 04:35:28,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 04:35:28,614 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2024-11-28 04:35:28,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:35:28,615 INFO L225 Difference]: With dead ends: 46 [2024-11-28 04:35:28,615 INFO L226 Difference]: Without dead ends: 18 [2024-11-28 04:35:28,616 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:35:28,616 INFO L435 NwaCegarLoop]: 11 mSDtfsCounter, 10 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 04:35:28,617 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 25 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 04:35:28,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2024-11-28 04:35:28,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2024-11-28 04:35:28,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 17 states have (on average 1.0588235294117647) internal successors, (18), 17 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:35:28,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 18 transitions. [2024-11-28 04:35:28,623 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 18 transitions. Word has length 15 [2024-11-28 04:35:28,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:35:28,623 INFO L471 AbstractCegarLoop]: Abstraction has 18 states and 18 transitions. [2024-11-28 04:35:28,623 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:35:28,623 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 18 transitions. [2024-11-28 04:35:28,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-28 04:35:28,624 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:35:28,624 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:35:28,631 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fd176e9-b665-47ea-99c4-3bd99162f209/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-28 04:35:28,824 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fd176e9-b665-47ea-99c4-3bd99162f209/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 04:35:28,825 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:35:28,825 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:35:28,825 INFO L85 PathProgramCache]: Analyzing trace with hash 1555013601, now seen corresponding path program 1 times [2024-11-28 04:35:28,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:35:28,826 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [581703737] [2024-11-28 04:35:28,826 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:35:28,826 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 04:35:28,826 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fd176e9-b665-47ea-99c4-3bd99162f209/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:35:28,828 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fd176e9-b665-47ea-99c4-3bd99162f209/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 04:35:28,829 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fd176e9-b665-47ea-99c4-3bd99162f209/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-28 04:35:29,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:35:29,209 INFO L256 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-28 04:35:29,212 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:35:30,974 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 04:35:30,975 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:35:30,975 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:35:30,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [581703737] [2024-11-28 04:35:30,975 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [581703737] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:35:30,975 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:35:30,975 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:35:30,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1766402481] [2024-11-28 04:35:30,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:35:30,976 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 04:35:30,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:35:30,976 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 04:35:30,976 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:35:30,976 INFO L87 Difference]: Start difference. First operand 18 states and 18 transitions. Second operand has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:35:32,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:35:32,044 INFO L93 Difference]: Finished difference Result 26 states and 25 transitions. [2024-11-28 04:35:32,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 04:35:32,045 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2024-11-28 04:35:32,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:35:32,045 INFO L225 Difference]: With dead ends: 26 [2024-11-28 04:35:32,045 INFO L226 Difference]: Without dead ends: 18 [2024-11-28 04:35:32,046 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 12 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:35:32,047 INFO L435 NwaCegarLoop]: 11 mSDtfsCounter, 4 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-28 04:35:32,047 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 26 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-28 04:35:32,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2024-11-28 04:35:32,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2024-11-28 04:35:32,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 17 states have (on average 1.0) internal successors, (17), 17 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:35:32,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 17 transitions. [2024-11-28 04:35:32,051 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 17 transitions. Word has length 17 [2024-11-28 04:35:32,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:35:32,051 INFO L471 AbstractCegarLoop]: Abstraction has 18 states and 17 transitions. [2024-11-28 04:35:32,052 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:35:32,052 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 17 transitions. [2024-11-28 04:35:32,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-28 04:35:32,052 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:35:32,052 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:35:32,059 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fd176e9-b665-47ea-99c4-3bd99162f209/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-11-28 04:35:32,253 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fd176e9-b665-47ea-99c4-3bd99162f209/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 04:35:32,253 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:35:32,253 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:35:32,254 INFO L85 PathProgramCache]: Analyzing trace with hash 745666975, now seen corresponding path program 1 times [2024-11-28 04:35:32,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:35:32,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [28803391] [2024-11-28 04:35:32,254 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:35:32,254 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 04:35:32,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fd176e9-b665-47ea-99c4-3bd99162f209/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:35:32,256 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fd176e9-b665-47ea-99c4-3bd99162f209/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 04:35:32,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fd176e9-b665-47ea-99c4-3bd99162f209/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-28 04:35:32,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:35:32,520 INFO L256 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-28 04:35:32,522 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:35:34,424 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 04:35:34,424 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:35:34,424 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:35:34,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [28803391] [2024-11-28 04:35:34,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [28803391] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:35:34,424 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:35:34,425 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-28 04:35:34,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1876076618] [2024-11-28 04:35:34,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:35:34,425 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 04:35:34,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:35:34,426 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 04:35:34,426 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-28 04:35:34,426 INFO L87 Difference]: Start difference. First operand 18 states and 17 transitions. Second operand has 7 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 7 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:35:35,592 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-28 04:35:36,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:35:36,509 INFO L93 Difference]: Finished difference Result 18 states and 17 transitions. [2024-11-28 04:35:36,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 04:35:36,510 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 7 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2024-11-28 04:35:36,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:35:36,511 INFO L225 Difference]: With dead ends: 18 [2024-11-28 04:35:36,511 INFO L226 Difference]: Without dead ends: 0 [2024-11-28 04:35:36,511 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-28 04:35:36,512 INFO L435 NwaCegarLoop]: 11 mSDtfsCounter, 3 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-28 04:35:36,512 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 54 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-28 04:35:36,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-28 04:35:36,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-28 04:35:36,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:35:36,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-28 04:35:36,514 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 17 [2024-11-28 04:35:36,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:35:36,515 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 04:35:36,515 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 7 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:35:36,515 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-28 04:35:36,516 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-28 04:35:36,519 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-28 04:35:36,527 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fd176e9-b665-47ea-99c4-3bd99162f209/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2024-11-28 04:35:36,720 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fd176e9-b665-47ea-99c4-3bd99162f209/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 04:35:36,723 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-28 04:35:36,725 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-28 04:35:37,353 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 04:35:37,370 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-28 04:35:37,372 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-28 04:35:37,377 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-28 04:35:37,377 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-28 04:35:37,377 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-28 04:35:37,377 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-28 04:35:37,378 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 04:35:37 BoogieIcfgContainer [2024-11-28 04:35:37,380 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 04:35:37,381 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 04:35:37,381 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 04:35:37,382 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 04:35:37,382 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:35:25" (3/4) ... [2024-11-28 04:35:37,385 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-28 04:35:37,399 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2024-11-28 04:35:37,399 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-11-28 04:35:37,400 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-28 04:35:37,400 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-28 04:35:37,519 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fd176e9-b665-47ea-99c4-3bd99162f209/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-28 04:35:37,520 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fd176e9-b665-47ea-99c4-3bd99162f209/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-28 04:35:37,520 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 04:35:37,521 INFO L158 Benchmark]: Toolchain (without parser) took 31005.19ms. Allocated memory is still 117.4MB. Free memory was 91.7MB in the beginning and 75.2MB in the end (delta: 16.5MB). Peak memory consumption was 15.2MB. Max. memory is 16.1GB. [2024-11-28 04:35:37,521 INFO L158 Benchmark]: CDTParser took 0.44ms. Allocated memory is still 117.4MB. Free memory is still 83.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:35:37,525 INFO L158 Benchmark]: CACSL2BoogieTranslator took 288.14ms. Allocated memory is still 117.4MB. Free memory was 91.5MB in the beginning and 76.7MB in the end (delta: 14.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 04:35:37,526 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.29ms. Allocated memory is still 117.4MB. Free memory was 76.7MB in the beginning and 74.8MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:35:37,526 INFO L158 Benchmark]: Boogie Preprocessor took 119.04ms. Allocated memory is still 117.4MB. Free memory was 74.8MB in the beginning and 70.8MB in the end (delta: 4.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:35:37,526 INFO L158 Benchmark]: RCFGBuilder took 18863.20ms. Allocated memory is still 117.4MB. Free memory was 70.6MB in the beginning and 47.0MB in the end (delta: 23.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-28 04:35:37,527 INFO L158 Benchmark]: TraceAbstraction took 11546.21ms. Allocated memory is still 117.4MB. Free memory was 46.5MB in the beginning and 82.1MB in the end (delta: -35.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:35:37,527 INFO L158 Benchmark]: Witness Printer took 138.85ms. Allocated memory is still 117.4MB. Free memory was 81.3MB in the beginning and 75.2MB in the end (delta: 6.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 04:35:37,529 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44ms. Allocated memory is still 117.4MB. Free memory is still 83.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 288.14ms. Allocated memory is still 117.4MB. Free memory was 91.5MB in the beginning and 76.7MB in the end (delta: 14.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.29ms. Allocated memory is still 117.4MB. Free memory was 76.7MB in the beginning and 74.8MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 119.04ms. Allocated memory is still 117.4MB. Free memory was 74.8MB in the beginning and 70.8MB in the end (delta: 4.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 18863.20ms. Allocated memory is still 117.4MB. Free memory was 70.6MB in the beginning and 47.0MB in the end (delta: 23.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 11546.21ms. Allocated memory is still 117.4MB. Free memory was 46.5MB in the beginning and 82.1MB in the end (delta: -35.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 138.85ms. Allocated memory is still 117.4MB. Free memory was 81.3MB in the beginning and 75.2MB in the end (delta: 6.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 160]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 41 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 10.8s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 17 SdHoareTripleChecker+Valid, 2.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 17 mSDsluCounter, 156 SdHoareTripleChecker+Invalid, 2.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 72 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 49 IncrementalHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 84 mSDtfsCounter, 49 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 62 GetRequests, 46 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 3.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=41occurred in iteration=0, InterpolantAutomatonStates: 18, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 4.6s InterpolantComputationTime, 62 NumberOfCodeBlocks, 62 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 58 ConstructedInterpolants, 27 QuantifiedInterpolants, 584 SizeOfPredicates, 13 NumberOfNonLiveVariables, 405 ConjunctsInSsa, 36 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 104]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 118]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 123]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2024-11-28 04:35:37,699 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fd176e9-b665-47ea-99c4-3bd99162f209/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE