./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1052c.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_be778414-b282-4eba-97c7-80df309dc725/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be778414-b282-4eba-97c7-80df309dc725/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_be778414-b282-4eba-97c7-80df309dc725/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be778414-b282-4eba-97c7-80df309dc725/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1052c.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be778414-b282-4eba-97c7-80df309dc725/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_be778414-b282-4eba-97c7-80df309dc725/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 fe40b084b828df43825fca15d2dd06822fb39893b54cde36c5f06a988fda4d8b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 20:28:55,435 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 20:28:55,540 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be778414-b282-4eba-97c7-80df309dc725/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-27 20:28:55,548 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 20:28:55,549 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 20:28:55,590 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 20:28:55,590 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 20:28:55,591 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 20:28:55,593 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-27 20:28:55,593 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-27 20:28:55,594 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 20:28:55,594 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 20:28:55,595 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 20:28:55,595 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 20:28:55,595 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 20:28:55,596 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 20:28:55,596 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-27 20:28:55,596 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-27 20:28:55,596 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-27 20:28:55,596 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-27 20:28:55,597 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 20:28:55,597 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-27 20:28:55,597 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 20:28:55,597 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-27 20:28:55,597 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-27 20:28:55,597 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 20:28:55,597 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 20:28:55,597 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 20:28:55,597 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-27 20:28:55,597 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:28:55,598 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 20:28:55,598 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 20:28:55,598 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:28:55,598 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 20:28:55,598 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:28:55,599 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 20:28:55,599 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 20:28:55,599 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:28:55,599 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 20:28:55,599 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 20:28:55,599 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-27 20:28:55,599 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-27 20:28:55,599 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-27 20:28:55,599 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-27 20:28:55,599 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 20:28:55,599 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-27 20:28:55,600 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-27 20:28:55,600 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-27 20:28:55,600 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_be778414-b282-4eba-97c7-80df309dc725/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 -> fe40b084b828df43825fca15d2dd06822fb39893b54cde36c5f06a988fda4d8b [2024-11-27 20:28:55,947 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 20:28:55,959 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 20:28:55,965 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 20:28:55,968 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 20:28:55,969 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 20:28:55,970 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be778414-b282-4eba-97c7-80df309dc725/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/float-newlib/float_req_bl_1052c.c [2024-11-27 20:28:58,970 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be778414-b282-4eba-97c7-80df309dc725/bin/uautomizer-verify-aQ6SnzHsRB/data/0c9859900/30695b979bcc4a6b9aaea155d3ac0c64/FLAG223f417ed [2024-11-27 20:28:59,272 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 20:28:59,283 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be778414-b282-4eba-97c7-80df309dc725/sv-benchmarks/c/float-newlib/float_req_bl_1052c.c [2024-11-27 20:28:59,295 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be778414-b282-4eba-97c7-80df309dc725/bin/uautomizer-verify-aQ6SnzHsRB/data/0c9859900/30695b979bcc4a6b9aaea155d3ac0c64/FLAG223f417ed [2024-11-27 20:28:59,541 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be778414-b282-4eba-97c7-80df309dc725/bin/uautomizer-verify-aQ6SnzHsRB/data/0c9859900/30695b979bcc4a6b9aaea155d3ac0c64 [2024-11-27 20:28:59,544 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 20:28:59,546 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 20:28:59,547 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 20:28:59,547 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 20:28:59,552 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 20:28:59,553 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:28:59" (1/1) ... [2024-11-27 20:28:59,554 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51053fe0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:28:59, skipping insertion in model container [2024-11-27 20:28:59,554 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:28:59" (1/1) ... [2024-11-27 20:28:59,572 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 20:28:59,764 ERROR L321 MainTranslator]: Unsupported Syntax: floats in unions are not supported in the integer translation. [2024-11-27 20:28:59,764 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@34c2943b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:28:59, skipping insertion in model container [2024-11-27 20:28:59,765 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 20:28:59,765 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-11-27 20:28:59,768 INFO L158 Benchmark]: Toolchain (without parser) took 221.27ms. Allocated memory is still 117.4MB. Free memory was 94.5MB in the beginning and 86.1MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 20:28:59,771 INFO L158 Benchmark]: CDTParser took 1.68ms. Allocated memory is still 167.8MB. Free memory is still 104.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:28:59,772 INFO L158 Benchmark]: CACSL2BoogieTranslator took 218.02ms. Allocated memory is still 117.4MB. Free memory was 94.5MB in the beginning and 86.1MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 20:28:59,773 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.68ms. Allocated memory is still 167.8MB. Free memory is still 104.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 218.02ms. Allocated memory is still 117.4MB. Free memory was 94.5MB in the beginning and 86.1MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 8]: 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_be778414-b282-4eba-97c7-80df309dc725/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be778414-b282-4eba-97c7-80df309dc725/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_be778414-b282-4eba-97c7-80df309dc725/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be778414-b282-4eba-97c7-80df309dc725/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1052c.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be778414-b282-4eba-97c7-80df309dc725/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_be778414-b282-4eba-97c7-80df309dc725/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 fe40b084b828df43825fca15d2dd06822fb39893b54cde36c5f06a988fda4d8b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 20:29:02,484 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 20:29:02,584 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be778414-b282-4eba-97c7-80df309dc725/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-27 20:29:02,596 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 20:29:02,596 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 20:29:02,647 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 20:29:02,648 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 20:29:02,648 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 20:29:02,649 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-27 20:29:02,649 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-27 20:29:02,649 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 20:29:02,649 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 20:29:02,652 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 20:29:02,652 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 20:29:02,672 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 20:29:02,672 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 20:29:02,673 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-27 20:29:02,673 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-27 20:29:02,673 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-27 20:29:02,673 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 20:29:02,673 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-27 20:29:02,673 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 20:29:02,673 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-27 20:29:02,673 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-27 20:29:02,673 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-27 20:29:02,673 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-27 20:29:02,673 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-27 20:29:02,674 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 20:29:02,674 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 20:29:02,674 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 20:29:02,674 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-27 20:29:02,674 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:29:02,674 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 20:29:02,674 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 20:29:02,674 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:29:02,674 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 20:29:02,674 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:29:02,675 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 20:29:02,675 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 20:29:02,675 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:29:02,675 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 20:29:02,675 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 20:29:02,675 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-27 20:29:02,675 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-27 20:29:02,675 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-27 20:29:02,675 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-27 20:29:02,675 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 20:29:02,675 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-27 20:29:02,676 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-27 20:29:02,677 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-27 20:29:02,677 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_be778414-b282-4eba-97c7-80df309dc725/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 -> fe40b084b828df43825fca15d2dd06822fb39893b54cde36c5f06a988fda4d8b [2024-11-27 20:29:03,062 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 20:29:03,075 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 20:29:03,078 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 20:29:03,082 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 20:29:03,082 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 20:29:03,084 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be778414-b282-4eba-97c7-80df309dc725/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/float-newlib/float_req_bl_1052c.c [2024-11-27 20:29:06,265 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be778414-b282-4eba-97c7-80df309dc725/bin/uautomizer-verify-aQ6SnzHsRB/data/30e31f4b6/f05a71143a5b48cfa983ff74b395b9a6/FLAG7af834e4d [2024-11-27 20:29:06,565 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 20:29:06,566 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be778414-b282-4eba-97c7-80df309dc725/sv-benchmarks/c/float-newlib/float_req_bl_1052c.c [2024-11-27 20:29:06,584 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be778414-b282-4eba-97c7-80df309dc725/bin/uautomizer-verify-aQ6SnzHsRB/data/30e31f4b6/f05a71143a5b48cfa983ff74b395b9a6/FLAG7af834e4d [2024-11-27 20:29:06,606 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be778414-b282-4eba-97c7-80df309dc725/bin/uautomizer-verify-aQ6SnzHsRB/data/30e31f4b6/f05a71143a5b48cfa983ff74b395b9a6 [2024-11-27 20:29:06,610 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 20:29:06,611 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 20:29:06,614 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 20:29:06,616 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 20:29:06,621 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 20:29:06,623 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:29:06" (1/1) ... [2024-11-27 20:29:06,624 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@538ec11e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:29:06, skipping insertion in model container [2024-11-27 20:29:06,624 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:29:06" (1/1) ... [2024-11-27 20:29:06,643 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 20:29:06,867 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_be778414-b282-4eba-97c7-80df309dc725/sv-benchmarks/c/float-newlib/float_req_bl_1052c.c[1741,1754] [2024-11-27 20:29:06,872 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:29:06,891 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 20:29:06,929 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_be778414-b282-4eba-97c7-80df309dc725/sv-benchmarks/c/float-newlib/float_req_bl_1052c.c[1741,1754] [2024-11-27 20:29:06,932 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:29:06,961 INFO L204 MainTranslator]: Completed translation [2024-11-27 20:29:06,962 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:29:06 WrapperNode [2024-11-27 20:29:06,963 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 20:29:06,964 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 20:29:06,965 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 20:29:06,965 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 20:29:06,978 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:29:06" (1/1) ... [2024-11-27 20:29:06,993 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:29:06" (1/1) ... [2024-11-27 20:29:07,024 INFO L138 Inliner]: procedures = 19, calls = 21, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 95 [2024-11-27 20:29:07,025 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 20:29:07,026 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 20:29:07,026 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 20:29:07,026 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 20:29:07,036 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:29:06" (1/1) ... [2024-11-27 20:29:07,037 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:29:06" (1/1) ... [2024-11-27 20:29:07,043 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:29:06" (1/1) ... [2024-11-27 20:29:07,072 INFO L175 MemorySlicer]: Split 8 memory accesses to 4 slices as follows [2, 2, 2, 2]. 25 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0]. The 3 writes are split as follows [0, 1, 1, 1]. [2024-11-27 20:29:07,077 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:29:06" (1/1) ... [2024-11-27 20:29:07,077 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:29:06" (1/1) ... [2024-11-27 20:29:07,097 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:29:06" (1/1) ... [2024-11-27 20:29:07,101 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:29:06" (1/1) ... [2024-11-27 20:29:07,107 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:29:06" (1/1) ... [2024-11-27 20:29:07,109 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:29:06" (1/1) ... [2024-11-27 20:29:07,117 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:29:06" (1/1) ... [2024-11-27 20:29:07,125 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 20:29:07,126 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 20:29:07,130 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 20:29:07,130 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 20:29:07,131 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:29:06" (1/1) ... [2024-11-27 20:29:07,142 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:29:07,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be778414-b282-4eba-97c7-80df309dc725/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:29:07,180 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be778414-b282-4eba-97c7-80df309dc725/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-27 20:29:07,184 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be778414-b282-4eba-97c7-80df309dc725/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-27 20:29:07,216 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 20:29:07,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-27 20:29:07,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-27 20:29:07,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-27 20:29:07,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-27 20:29:07,217 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-27 20:29:07,217 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2024-11-27 20:29:07,217 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2024-11-27 20:29:07,218 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2024-11-27 20:29:07,218 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2024-11-27 20:29:07,218 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-27 20:29:07,219 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-27 20:29:07,219 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-27 20:29:07,219 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-27 20:29:07,219 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 20:29:07,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 20:29:07,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2024-11-27 20:29:07,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2024-11-27 20:29:07,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2024-11-27 20:29:07,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2024-11-27 20:29:07,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-27 20:29:07,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-27 20:29:07,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-27 20:29:07,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-27 20:29:07,222 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-27 20:29:07,371 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 20:29:07,373 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 20:29:07,991 INFO L? ?]: Removed 25 outVars from TransFormulas that were not future-live. [2024-11-27 20:29:07,991 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 20:29:08,001 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 20:29:08,002 INFO L312 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-27 20:29:08,002 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:29:08 BoogieIcfgContainer [2024-11-27 20:29:08,002 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 20:29:08,004 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 20:29:08,005 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 20:29:08,010 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 20:29:08,010 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 08:29:06" (1/3) ... [2024-11-27 20:29:08,011 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47a1dc94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 08:29:08, skipping insertion in model container [2024-11-27 20:29:08,011 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:29:06" (2/3) ... [2024-11-27 20:29:08,011 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47a1dc94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 08:29:08, skipping insertion in model container [2024-11-27 20:29:08,012 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:29:08" (3/3) ... [2024-11-27 20:29:08,013 INFO L128 eAbstractionObserver]: Analyzing ICFG float_req_bl_1052c.c [2024-11-27 20:29:08,030 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 20:29:08,031 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG float_req_bl_1052c.c that has 1 procedures, 30 locations, 1 initial locations, 3 loop locations, and 1 error locations. [2024-11-27 20:29:08,084 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-27 20:29:08,098 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;@37e2f530, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 20:29:08,098 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-27 20:29:08,102 INFO L276 IsEmpty]: Start isEmpty. Operand has 30 states, 28 states have (on average 1.6428571428571428) internal successors, (46), 29 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:29:08,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-27 20:29:08,108 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:29:08,109 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:29:08,109 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:29:08,115 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:29:08,115 INFO L85 PathProgramCache]: Analyzing trace with hash 635833758, now seen corresponding path program 1 times [2024-11-27 20:29:08,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 20:29:08,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [521163955] [2024-11-27 20:29:08,127 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:29:08,128 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 [2024-11-27 20:29:08,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be778414-b282-4eba-97c7-80df309dc725/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 20:29:08,131 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be778414-b282-4eba-97c7-80df309dc725/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) [2024-11-27 20:29:08,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be778414-b282-4eba-97c7-80df309dc725/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 [2024-11-27 20:29:08,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:29:08,314 INFO L256 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-27 20:29:08,318 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:29:08,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:29:08,341 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:29:08,344 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 20:29:08,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [521163955] [2024-11-27 20:29:08,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [521163955] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:29:08,345 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:29:08,346 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:29:08,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672982557] [2024-11-27 20:29:08,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:29:08,352 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-27 20:29:08,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 20:29:08,375 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-27 20:29:08,375 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-27 20:29:08,378 INFO L87 Difference]: Start difference. First operand has 30 states, 28 states have (on average 1.6428571428571428) internal successors, (46), 29 states have internal predecessors, (46), 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 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:29:08,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:29:08,396 INFO L93 Difference]: Finished difference Result 58 states and 90 transitions. [2024-11-27 20:29:08,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 20:29:08,399 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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 10 [2024-11-27 20:29:08,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:29:08,407 INFO L225 Difference]: With dead ends: 58 [2024-11-27 20:29:08,408 INFO L226 Difference]: Without dead ends: 27 [2024-11-27 20:29:08,411 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-27 20:29:08,417 INFO L435 NwaCegarLoop]: 39 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, 39 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 20:29:08,421 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 20:29:08,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2024-11-27 20:29:08,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2024-11-27 20:29:08,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 26 states have (on average 1.3846153846153846) internal successors, (36), 26 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:29:08,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 36 transitions. [2024-11-27 20:29:08,463 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 36 transitions. Word has length 10 [2024-11-27 20:29:08,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:29:08,464 INFO L471 AbstractCegarLoop]: Abstraction has 27 states and 36 transitions. [2024-11-27 20:29:08,464 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:29:08,464 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 36 transitions. [2024-11-27 20:29:08,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-27 20:29:08,466 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:29:08,466 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:29:08,473 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be778414-b282-4eba-97c7-80df309dc725/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 [2024-11-27 20:29:08,667 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be778414-b282-4eba-97c7-80df309dc725/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 [2024-11-27 20:29:08,667 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:29:08,668 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:29:08,668 INFO L85 PathProgramCache]: Analyzing trace with hash -1699473439, now seen corresponding path program 1 times [2024-11-27 20:29:08,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 20:29:08,669 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1319926529] [2024-11-27 20:29:08,669 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:29:08,669 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 [2024-11-27 20:29:08,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be778414-b282-4eba-97c7-80df309dc725/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 20:29:08,674 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be778414-b282-4eba-97c7-80df309dc725/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) [2024-11-27 20:29:08,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be778414-b282-4eba-97c7-80df309dc725/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 [2024-11-27 20:29:08,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:29:08,847 INFO L256 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-27 20:29:08,850 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:29:08,980 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-27 20:29:08,990 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 14 [2024-11-27 20:29:09,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:29:09,142 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:29:09,142 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 20:29:09,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1319926529] [2024-11-27 20:29:09,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1319926529] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:29:09,143 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:29:09,143 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 20:29:09,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1857165930] [2024-11-27 20:29:09,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:29:09,144 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 20:29:09,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 20:29:09,145 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 20:29:09,145 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 20:29:09,146 INFO L87 Difference]: Start difference. First operand 27 states and 36 transitions. Second operand has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:29:09,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:29:09,513 INFO L93 Difference]: Finished difference Result 43 states and 52 transitions. [2024-11-27 20:29:09,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 20:29:09,514 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 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 11 [2024-11-27 20:29:09,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:29:09,515 INFO L225 Difference]: With dead ends: 43 [2024-11-27 20:29:09,515 INFO L226 Difference]: Without dead ends: 26 [2024-11-27 20:29:09,517 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-27 20:29:09,518 INFO L435 NwaCegarLoop]: 15 mSDtfsCounter, 22 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-27 20:29:09,519 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 49 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-27 20:29:09,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2024-11-27 20:29:09,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 22. [2024-11-27 20:29:09,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 21 states have (on average 1.1428571428571428) internal successors, (24), 21 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:29:09,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 24 transitions. [2024-11-27 20:29:09,528 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 24 transitions. Word has length 11 [2024-11-27 20:29:09,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:29:09,528 INFO L471 AbstractCegarLoop]: Abstraction has 22 states and 24 transitions. [2024-11-27 20:29:09,528 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:29:09,529 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 24 transitions. [2024-11-27 20:29:09,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-27 20:29:09,530 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:29:09,530 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:29:09,536 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be778414-b282-4eba-97c7-80df309dc725/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 [2024-11-27 20:29:09,734 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be778414-b282-4eba-97c7-80df309dc725/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 [2024-11-27 20:29:09,734 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:29:09,735 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:29:09,735 INFO L85 PathProgramCache]: Analyzing trace with hash 629952742, now seen corresponding path program 1 times [2024-11-27 20:29:09,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 20:29:09,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [136255237] [2024-11-27 20:29:09,735 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:29:09,736 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 [2024-11-27 20:29:09,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be778414-b282-4eba-97c7-80df309dc725/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 20:29:09,738 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be778414-b282-4eba-97c7-80df309dc725/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) [2024-11-27 20:29:09,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be778414-b282-4eba-97c7-80df309dc725/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 [2024-11-27 20:29:09,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:29:09,864 INFO L256 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-27 20:29:09,866 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:29:10,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:29:10,023 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:29:10,023 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 20:29:10,024 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [136255237] [2024-11-27 20:29:10,024 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [136255237] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:29:10,024 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:29:10,024 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 20:29:10,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548947057] [2024-11-27 20:29:10,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:29:10,024 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 20:29:10,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 20:29:10,025 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 20:29:10,025 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:29:10,025 INFO L87 Difference]: Start difference. First operand 22 states and 24 transitions. Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 3 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) [2024-11-27 20:29:10,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:29:10,085 INFO L93 Difference]: Finished difference Result 34 states and 36 transitions. [2024-11-27 20:29:10,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 20:29:10,086 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 3 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 [2024-11-27 20:29:10,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:29:10,086 INFO L225 Difference]: With dead ends: 34 [2024-11-27 20:29:10,087 INFO L226 Difference]: Without dead ends: 22 [2024-11-27 20:29:10,087 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:29:10,088 INFO L435 NwaCegarLoop]: 21 mSDtfsCounter, 20 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 20:29:10,088 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 30 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 20:29:10,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2024-11-27 20:29:10,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2024-11-27 20:29:10,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 21 states have (on average 1.0952380952380953) internal successors, (23), 21 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:29:10,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 23 transitions. [2024-11-27 20:29:10,092 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 23 transitions. Word has length 15 [2024-11-27 20:29:10,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:29:10,092 INFO L471 AbstractCegarLoop]: Abstraction has 22 states and 23 transitions. [2024-11-27 20:29:10,092 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 3 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) [2024-11-27 20:29:10,092 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 23 transitions. [2024-11-27 20:29:10,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-27 20:29:10,093 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:29:10,093 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:29:10,097 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be778414-b282-4eba-97c7-80df309dc725/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 [2024-11-27 20:29:10,297 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be778414-b282-4eba-97c7-80df309dc725/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 [2024-11-27 20:29:10,297 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:29:10,298 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:29:10,298 INFO L85 PathProgramCache]: Analyzing trace with hash 941522928, now seen corresponding path program 1 times [2024-11-27 20:29:10,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 20:29:10,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1460969485] [2024-11-27 20:29:10,298 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:29:10,298 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 [2024-11-27 20:29:10,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be778414-b282-4eba-97c7-80df309dc725/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 20:29:10,301 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be778414-b282-4eba-97c7-80df309dc725/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) [2024-11-27 20:29:10,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be778414-b282-4eba-97c7-80df309dc725/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 [2024-11-27 20:29:10,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:29:10,481 INFO L256 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-27 20:29:10,484 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:29:10,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:29:10,653 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:29:10,654 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 20:29:10,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1460969485] [2024-11-27 20:29:10,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1460969485] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:29:10,655 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:29:10,655 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 20:29:10,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239479631] [2024-11-27 20:29:10,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:29:10,655 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 20:29:10,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 20:29:10,657 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 20:29:10,658 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 20:29:10,658 INFO L87 Difference]: Start difference. First operand 22 states and 23 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) [2024-11-27 20:29:10,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:29:10,860 INFO L93 Difference]: Finished difference Result 34 states and 35 transitions. [2024-11-27 20:29:10,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 20:29:10,861 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 [2024-11-27 20:29:10,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:29:10,861 INFO L225 Difference]: With dead ends: 34 [2024-11-27 20:29:10,861 INFO L226 Difference]: Without dead ends: 22 [2024-11-27 20:29:10,862 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-27 20:29:10,862 INFO L435 NwaCegarLoop]: 15 mSDtfsCounter, 18 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 20:29:10,863 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 44 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 20:29:10,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2024-11-27 20:29:10,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2024-11-27 20:29:10,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 21 states have (on average 1.0476190476190477) internal successors, (22), 21 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:29:10,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 22 transitions. [2024-11-27 20:29:10,866 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 22 transitions. Word has length 17 [2024-11-27 20:29:10,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:29:10,867 INFO L471 AbstractCegarLoop]: Abstraction has 22 states and 22 transitions. [2024-11-27 20:29:10,867 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) [2024-11-27 20:29:10,867 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 22 transitions. [2024-11-27 20:29:10,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-27 20:29:10,867 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:29:10,867 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:29:10,873 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be778414-b282-4eba-97c7-80df309dc725/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 [2024-11-27 20:29:11,072 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be778414-b282-4eba-97c7-80df309dc725/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 [2024-11-27 20:29:11,072 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:29:11,073 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:29:11,073 INFO L85 PathProgramCache]: Analyzing trace with hash 132176302, now seen corresponding path program 1 times [2024-11-27 20:29:11,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 20:29:11,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1850026355] [2024-11-27 20:29:11,073 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:29:11,073 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 [2024-11-27 20:29:11,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be778414-b282-4eba-97c7-80df309dc725/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 20:29:11,075 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be778414-b282-4eba-97c7-80df309dc725/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) [2024-11-27 20:29:11,077 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be778414-b282-4eba-97c7-80df309dc725/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 (6)] Waiting until timeout for monitored process [2024-11-27 20:29:11,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:29:11,209 INFO L256 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-27 20:29:11,212 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:29:11,244 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-27 20:29:11,248 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 14 [2024-11-27 20:29:11,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:29:11,374 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:29:11,374 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 20:29:11,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1850026355] [2024-11-27 20:29:11,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1850026355] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:29:11,374 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:29:11,375 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-27 20:29:11,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468018120] [2024-11-27 20:29:11,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:29:11,375 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 20:29:11,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 20:29:11,376 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 20:29:11,376 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-27 20:29:11,376 INFO L87 Difference]: Start difference. First operand 22 states and 22 transitions. Second operand has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 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) [2024-11-27 20:29:11,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:29:11,569 INFO L93 Difference]: Finished difference Result 25 states and 24 transitions. [2024-11-27 20:29:11,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 20:29:11,569 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 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 [2024-11-27 20:29:11,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:29:11,570 INFO L225 Difference]: With dead ends: 25 [2024-11-27 20:29:11,570 INFO L226 Difference]: Without dead ends: 22 [2024-11-27 20:29:11,570 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-27 20:29:11,571 INFO L435 NwaCegarLoop]: 13 mSDtfsCounter, 11 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-27 20:29:11,572 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 49 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-27 20:29:11,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2024-11-27 20:29:11,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2024-11-27 20:29:11,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 21 states have (on average 1.0) internal successors, (21), 21 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:29:11,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 21 transitions. [2024-11-27 20:29:11,576 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 21 transitions. Word has length 17 [2024-11-27 20:29:11,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:29:11,576 INFO L471 AbstractCegarLoop]: Abstraction has 22 states and 21 transitions. [2024-11-27 20:29:11,576 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 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) [2024-11-27 20:29:11,576 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 21 transitions. [2024-11-27 20:29:11,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-27 20:29:11,577 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:29:11,577 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:29:11,584 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be778414-b282-4eba-97c7-80df309dc725/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 (6)] Ended with exit code 0 [2024-11-27 20:29:11,777 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be778414-b282-4eba-97c7-80df309dc725/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 [2024-11-27 20:29:11,778 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:29:11,778 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:29:11,778 INFO L85 PathProgramCache]: Analyzing trace with hash 1004678435, now seen corresponding path program 1 times [2024-11-27 20:29:11,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 20:29:11,779 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [710145240] [2024-11-27 20:29:11,779 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:29:11,779 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 [2024-11-27 20:29:11,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be778414-b282-4eba-97c7-80df309dc725/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 20:29:11,781 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be778414-b282-4eba-97c7-80df309dc725/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) [2024-11-27 20:29:11,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be778414-b282-4eba-97c7-80df309dc725/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 (7)] Waiting until timeout for monitored process [2024-11-27 20:29:11,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:29:11,970 INFO L256 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-27 20:29:11,976 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:29:12,026 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-27 20:29:12,030 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 14 [2024-11-27 20:29:12,150 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-27 20:29:12,154 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 14 [2024-11-27 20:29:12,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:29:12,261 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:29:12,261 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 20:29:12,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [710145240] [2024-11-27 20:29:12,261 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [710145240] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:29:12,261 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:29:12,262 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-27 20:29:12,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983358354] [2024-11-27 20:29:12,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:29:12,262 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-27 20:29:12,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 20:29:12,263 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-27 20:29:12,263 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-27 20:29:12,263 INFO L87 Difference]: Start difference. First operand 22 states and 21 transitions. Second operand has 10 states, 10 states have (on average 2.1) internal successors, (21), 10 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:29:12,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:29:12,591 INFO L93 Difference]: Finished difference Result 22 states and 21 transitions. [2024-11-27 20:29:12,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-27 20:29:12,592 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.1) internal successors, (21), 10 states have internal predecessors, (21), 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 21 [2024-11-27 20:29:12,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:29:12,592 INFO L225 Difference]: With dead ends: 22 [2024-11-27 20:29:12,593 INFO L226 Difference]: Without dead ends: 0 [2024-11-27 20:29:12,593 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2024-11-27 20:29:12,594 INFO L435 NwaCegarLoop]: 8 mSDtfsCounter, 14 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-27 20:29:12,594 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 55 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-27 20:29:12,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-27 20:29:12,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-27 20:29:12,595 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) [2024-11-27 20:29:12,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-27 20:29:12,595 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 21 [2024-11-27 20:29:12,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:29:12,595 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-27 20:29:12,596 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.1) internal successors, (21), 10 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:29:12,596 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-27 20:29:12,596 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-27 20:29:12,601 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-27 20:29:12,608 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be778414-b282-4eba-97c7-80df309dc725/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 (7)] Ended with exit code 0 [2024-11-27 20:29:12,806 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be778414-b282-4eba-97c7-80df309dc725/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 [2024-11-27 20:29:12,808 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2024-11-27 20:29:12,810 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-27 20:29:12,878 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-27 20:29:12,889 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~32 [2024-11-27 20:29:12,890 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-27 20:29:12,890 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-27 20:29:12,890 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-27 20:29:12,891 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~32 [2024-11-27 20:29:12,891 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-11-27 20:29:12,891 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~32 [2024-11-27 20:29:12,891 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-27 20:29:12,891 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-27 20:29:12,891 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-27 20:29:12,892 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-27 20:29:12,892 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~32 [2024-11-27 20:29:12,892 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-27 20:29:12,892 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-27 20:29:12,892 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.11 08:29:12 BoogieIcfgContainer [2024-11-27 20:29:12,892 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-27 20:29:12,893 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-27 20:29:12,893 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-27 20:29:12,893 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-27 20:29:12,894 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:29:08" (3/4) ... [2024-11-27 20:29:12,896 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-27 20:29:12,904 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2024-11-27 20:29:12,904 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2024-11-27 20:29:12,904 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-27 20:29:12,904 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-27 20:29:12,985 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be778414-b282-4eba-97c7-80df309dc725/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-27 20:29:12,985 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be778414-b282-4eba-97c7-80df309dc725/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-27 20:29:12,985 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-27 20:29:12,986 INFO L158 Benchmark]: Toolchain (without parser) took 6374.80ms. Allocated memory was 83.9MB in the beginning and 109.1MB in the end (delta: 25.2MB). Free memory was 61.2MB in the beginning and 57.6MB in the end (delta: 3.5MB). Peak memory consumption was 29.8MB. Max. memory is 16.1GB. [2024-11-27 20:29:12,986 INFO L158 Benchmark]: CDTParser took 1.60ms. Allocated memory is still 83.9MB. Free memory was 51.6MB in the beginning and 51.5MB in the end (delta: 107.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:29:12,986 INFO L158 Benchmark]: CACSL2BoogieTranslator took 349.61ms. Allocated memory is still 83.9MB. Free memory was 61.0MB in the beginning and 48.8MB in the end (delta: 12.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 20:29:12,987 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.96ms. Allocated memory is still 83.9MB. Free memory was 48.8MB in the beginning and 47.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:29:12,987 INFO L158 Benchmark]: Boogie Preprocessor took 99.04ms. Allocated memory is still 83.9MB. Free memory was 47.4MB in the beginning and 45.2MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:29:12,987 INFO L158 Benchmark]: RCFGBuilder took 876.82ms. Allocated memory is still 83.9MB. Free memory was 45.2MB in the beginning and 53.7MB in the end (delta: -8.5MB). Peak memory consumption was 11.3MB. Max. memory is 16.1GB. [2024-11-27 20:29:12,987 INFO L158 Benchmark]: TraceAbstraction took 4887.79ms. Allocated memory was 83.9MB in the beginning and 109.1MB in the end (delta: 25.2MB). Free memory was 53.2MB in the beginning and 62.5MB in the end (delta: -9.4MB). Peak memory consumption was 18.6MB. Max. memory is 16.1GB. [2024-11-27 20:29:12,988 INFO L158 Benchmark]: Witness Printer took 92.37ms. Allocated memory is still 109.1MB. Free memory was 62.5MB in the beginning and 57.6MB in the end (delta: 4.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 20:29:12,989 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.60ms. Allocated memory is still 83.9MB. Free memory was 51.6MB in the beginning and 51.5MB in the end (delta: 107.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 349.61ms. Allocated memory is still 83.9MB. Free memory was 61.0MB in the beginning and 48.8MB in the end (delta: 12.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.96ms. Allocated memory is still 83.9MB. Free memory was 48.8MB in the beginning and 47.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 99.04ms. Allocated memory is still 83.9MB. Free memory was 47.4MB in the beginning and 45.2MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 876.82ms. Allocated memory is still 83.9MB. Free memory was 45.2MB in the beginning and 53.7MB in the end (delta: -8.5MB). Peak memory consumption was 11.3MB. Max. memory is 16.1GB. * TraceAbstraction took 4887.79ms. Allocated memory was 83.9MB in the beginning and 109.1MB in the end (delta: 25.2MB). Free memory was 53.2MB in the beginning and 62.5MB in the end (delta: -9.4MB). Peak memory consumption was 18.6MB. Max. memory is 16.1GB. * Witness Printer took 92.37ms. Allocated memory is still 109.1MB. Free memory was 62.5MB in the beginning and 57.6MB in the end (delta: 4.9MB). 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: Missing case for function ~Pluszero~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Pluszero~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Pluszero~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Pluszero~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven * 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: 82]: 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, 30 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.7s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 85 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 85 mSDsluCounter, 266 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 155 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 163 IncrementalHoareTripleChecker+Invalid, 168 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 111 mSDtfsCounter, 163 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 96 GetRequests, 63 SyntacticMatches, 2 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=30occurred in iteration=0, InterpolantAutomatonStates: 34, 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, 6 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 91 NumberOfCodeBlocks, 91 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 85 ConstructedInterpolants, 6 QuantifiedInterpolants, 515 SizeOfPredicates, 21 NumberOfNonLiveVariables, 305 ConjunctsInSsa, 63 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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 RESULT: Ultimate proved your program to be correct! [2024-11-27 20:29:13,011 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be778414-b282-4eba-97c7-80df309dc725/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