./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_square_03_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e69ecc-b6f4-4ba5-9086-edcfd59cb3b7/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e69ecc-b6f4-4ba5-9086-edcfd59cb3b7/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e69ecc-b6f4-4ba5-9086-edcfd59cb3b7/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e69ecc-b6f4-4ba5-9086-edcfd59cb3b7/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_square_03_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e69ecc-b6f4-4ba5-9086-edcfd59cb3b7/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e69ecc-b6f4-4ba5-9086-edcfd59cb3b7/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 688c2dc37fcbab7d34d76e86ddd886e25ff3a3a1696e8612dd8097345fb642ef --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 14:34:02,138 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 14:34:02,191 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e69ecc-b6f4-4ba5-9086-edcfd59cb3b7/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-12-02 14:34:02,196 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 14:34:02,196 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 14:34:02,217 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 14:34:02,217 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 14:34:02,217 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 14:34:02,218 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 14:34:02,218 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 14:34:02,218 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 14:34:02,218 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 14:34:02,218 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 14:34:02,218 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 14:34:02,218 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 14:34:02,219 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 14:34:02,219 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 14:34:02,219 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 14:34:02,219 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 14:34:02,219 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 14:34:02,219 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 14:34:02,219 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 14:34:02,219 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-02 14:34:02,219 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-02 14:34:02,219 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 14:34:02,219 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 14:34:02,219 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 14:34:02,220 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 14:34:02,220 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 14:34:02,220 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 14:34:02,220 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 14:34:02,220 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 14:34:02,220 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 14:34:02,220 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 14:34:02,220 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 14:34:02,220 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 14:34:02,220 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 14:34:02,220 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 14:34:02,221 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 14:34:02,221 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 14:34:02,221 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 14:34:02,221 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 14:34:02,221 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 14:34:02,221 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 14:34:02,221 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 14:34:02,221 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 14:34:02,221 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 14:34:02,221 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_a5e69ecc-b6f4-4ba5-9086-edcfd59cb3b7/bin/uautomizer-verify-84ZbGMXZE1 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 ! overflow) ) 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 688c2dc37fcbab7d34d76e86ddd886e25ff3a3a1696e8612dd8097345fb642ef [2024-12-02 14:34:02,430 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 14:34:02,437 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 14:34:02,440 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 14:34:02,441 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 14:34:02,441 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 14:34:02,442 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e69ecc-b6f4-4ba5-9086-edcfd59cb3b7/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_square_03_good.i [2024-12-02 14:34:05,166 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e69ecc-b6f4-4ba5-9086-edcfd59cb3b7/bin/uautomizer-verify-84ZbGMXZE1/data/3c1f2d887/ad54ed67e0044114a9fd99adfb8ed547/FLAG7beb6b761 [2024-12-02 14:34:05,465 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 14:34:05,466 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e69ecc-b6f4-4ba5-9086-edcfd59cb3b7/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_square_03_good.i [2024-12-02 14:34:05,486 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e69ecc-b6f4-4ba5-9086-edcfd59cb3b7/bin/uautomizer-verify-84ZbGMXZE1/data/3c1f2d887/ad54ed67e0044114a9fd99adfb8ed547/FLAG7beb6b761 [2024-12-02 14:34:05,737 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e69ecc-b6f4-4ba5-9086-edcfd59cb3b7/bin/uautomizer-verify-84ZbGMXZE1/data/3c1f2d887/ad54ed67e0044114a9fd99adfb8ed547 [2024-12-02 14:34:05,739 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 14:34:05,741 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 14:34:05,742 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 14:34:05,742 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 14:34:05,745 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 14:34:05,746 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:34:05" (1/1) ... [2024-12-02 14:34:05,746 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f056580 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:34:05, skipping insertion in model container [2024-12-02 14:34:05,746 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:34:05" (1/1) ... [2024-12-02 14:34:05,785 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 14:34:06,844 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: sqrt at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:629) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:3128) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:255) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1602) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:271) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1019) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:283) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:783) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:286) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:783) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:286) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1752) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:233) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleCompoundStatement(CHandler.java:1158) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1141) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:236) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1783) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:233) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleCompoundStatement(CHandler.java:1158) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1141) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:236) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:393) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1629) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:159) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3507) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2500) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:641) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:135) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:189) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:116) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:94) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:145) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-02 14:34:06,849 INFO L158 Benchmark]: Toolchain (without parser) took 1107.70ms. Allocated memory is still 117.4MB. Free memory was 88.8MB in the beginning and 64.4MB in the end (delta: 24.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-02 14:34:06,849 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 117.4MB. Free memory is still 72.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 14:34:06,850 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1105.88ms. Allocated memory is still 117.4MB. Free memory was 88.6MB in the beginning and 64.4MB in the end (delta: 24.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-02 14:34:06,851 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 117.4MB. Free memory is still 72.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1105.88ms. Allocated memory is still 117.4MB. Free memory was 88.6MB in the beginning and 64.4MB in the end (delta: 24.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: sqrt de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: sqrt: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:629) 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_a5e69ecc-b6f4-4ba5-9086-edcfd59cb3b7/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e69ecc-b6f4-4ba5-9086-edcfd59cb3b7/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e69ecc-b6f4-4ba5-9086-edcfd59cb3b7/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e69ecc-b6f4-4ba5-9086-edcfd59cb3b7/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_square_03_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e69ecc-b6f4-4ba5-9086-edcfd59cb3b7/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e69ecc-b6f4-4ba5-9086-edcfd59cb3b7/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 688c2dc37fcbab7d34d76e86ddd886e25ff3a3a1696e8612dd8097345fb642ef --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 14:34:08,584 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 14:34:08,662 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e69ecc-b6f4-4ba5-9086-edcfd59cb3b7/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-12-02 14:34:08,668 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 14:34:08,669 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 14:34:08,669 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-12-02 14:34:08,692 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 14:34:08,692 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 14:34:08,692 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 14:34:08,693 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 14:34:08,693 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 14:34:08,693 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 14:34:08,693 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 14:34:08,693 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 14:34:08,693 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 14:34:08,694 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 14:34:08,694 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 14:34:08,694 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 14:34:08,694 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 14:34:08,694 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 14:34:08,694 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 14:34:08,694 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 14:34:08,694 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-02 14:34:08,694 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-02 14:34:08,694 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-02 14:34:08,694 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-02 14:34:08,695 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-02 14:34:08,695 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 14:34:08,695 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 14:34:08,695 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 14:34:08,695 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 14:34:08,695 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 14:34:08,695 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 14:34:08,695 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 14:34:08,695 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 14:34:08,695 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 14:34:08,695 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 14:34:08,696 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 14:34:08,696 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 14:34:08,696 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 14:34:08,696 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 14:34:08,696 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 14:34:08,696 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 14:34:08,696 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 14:34:08,696 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-12-02 14:34:08,696 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-02 14:34:08,696 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 14:34:08,696 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 14:34:08,697 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 14:34:08,697 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 14:34:08,697 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_a5e69ecc-b6f4-4ba5-9086-edcfd59cb3b7/bin/uautomizer-verify-84ZbGMXZE1 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 ! overflow) ) 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 688c2dc37fcbab7d34d76e86ddd886e25ff3a3a1696e8612dd8097345fb642ef [2024-12-02 14:34:08,940 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 14:34:08,948 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 14:34:08,950 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 14:34:08,951 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 14:34:08,951 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 14:34:08,952 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e69ecc-b6f4-4ba5-9086-edcfd59cb3b7/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_square_03_good.i [2024-12-02 14:34:11,666 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e69ecc-b6f4-4ba5-9086-edcfd59cb3b7/bin/uautomizer-verify-84ZbGMXZE1/data/6b32a1d48/5a36e9ae8cab4306857fcb8cdfc01448/FLAG2ccf1fc97 [2024-12-02 14:34:11,943 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 14:34:11,943 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e69ecc-b6f4-4ba5-9086-edcfd59cb3b7/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_square_03_good.i [2024-12-02 14:34:11,964 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e69ecc-b6f4-4ba5-9086-edcfd59cb3b7/bin/uautomizer-verify-84ZbGMXZE1/data/6b32a1d48/5a36e9ae8cab4306857fcb8cdfc01448/FLAG2ccf1fc97 [2024-12-02 14:34:11,976 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e69ecc-b6f4-4ba5-9086-edcfd59cb3b7/bin/uautomizer-verify-84ZbGMXZE1/data/6b32a1d48/5a36e9ae8cab4306857fcb8cdfc01448 [2024-12-02 14:34:11,978 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 14:34:11,979 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 14:34:11,980 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 14:34:11,980 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 14:34:11,984 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 14:34:11,985 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:34:11" (1/1) ... [2024-12-02 14:34:11,986 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a7e337b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:34:11, skipping insertion in model container [2024-12-02 14:34:11,986 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:34:11" (1/1) ... [2024-12-02 14:34:12,024 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 14:34:13,136 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 14:34:13,145 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 14:34:13,240 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 14:34:13,435 INFO L204 MainTranslator]: Completed translation [2024-12-02 14:34:13,436 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:34:13 WrapperNode [2024-12-02 14:34:13,436 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 14:34:13,436 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 14:34:13,437 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 14:34:13,437 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 14:34:13,440 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:34:13" (1/1) ... [2024-12-02 14:34:13,463 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:34:13" (1/1) ... [2024-12-02 14:34:13,484 INFO L138 Inliner]: procedures = 944, calls = 38, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 89 [2024-12-02 14:34:13,484 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 14:34:13,485 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 14:34:13,485 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 14:34:13,485 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 14:34:13,493 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:34:13" (1/1) ... [2024-12-02 14:34:13,493 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:34:13" (1/1) ... [2024-12-02 14:34:13,496 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:34:13" (1/1) ... [2024-12-02 14:34:13,504 INFO L175 MemorySlicer]: No memory access in input program. [2024-12-02 14:34:13,505 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:34:13" (1/1) ... [2024-12-02 14:34:13,505 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:34:13" (1/1) ... [2024-12-02 14:34:13,512 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:34:13" (1/1) ... [2024-12-02 14:34:13,513 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:34:13" (1/1) ... [2024-12-02 14:34:13,515 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:34:13" (1/1) ... [2024-12-02 14:34:13,516 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:34:13" (1/1) ... [2024-12-02 14:34:13,517 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:34:13" (1/1) ... [2024-12-02 14:34:13,519 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 14:34:13,520 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 14:34:13,520 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 14:34:13,520 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 14:34:13,521 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:34:13" (1/1) ... [2024-12-02 14:34:13,526 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 14:34:13,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e69ecc-b6f4-4ba5-9086-edcfd59cb3b7/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:34:13,548 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e69ecc-b6f4-4ba5-9086-edcfd59cb3b7/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 14:34:13,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e69ecc-b6f4-4ba5-9086-edcfd59cb3b7/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 14:34:13,567 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2024-12-02 14:34:13,568 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2024-12-02 14:34:13,568 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 14:34:13,568 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 14:34:13,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 14:34:13,568 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-02 14:34:13,568 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-02 14:34:13,683 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 14:34:13,684 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 14:34:21,813 INFO L? ?]: Removed 30 outVars from TransFormulas that were not future-live. [2024-12-02 14:34:21,813 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 14:34:21,821 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 14:34:21,821 INFO L312 CfgBuilder]: Removed 6 assume(true) statements. [2024-12-02 14:34:21,822 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:34:21 BoogieIcfgContainer [2024-12-02 14:34:21,822 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 14:34:21,824 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 14:34:21,824 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 14:34:21,827 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 14:34:21,827 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 02:34:11" (1/3) ... [2024-12-02 14:34:21,828 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@709881c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:34:21, skipping insertion in model container [2024-12-02 14:34:21,828 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:34:13" (2/3) ... [2024-12-02 14:34:21,828 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@709881c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:34:21, skipping insertion in model container [2024-12-02 14:34:21,828 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:34:21" (3/3) ... [2024-12-02 14:34:21,829 INFO L128 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_max_square_03_good.i [2024-12-02 14:34:21,839 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 14:34:21,840 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE190_Integer_Overflow__int_max_square_03_good.i that has 3 procedures, 63 locations, 1 initial locations, 0 loop locations, and 10 error locations. [2024-12-02 14:34:21,875 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 14:34:21,885 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;@2c4c58, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 14:34:21,885 INFO L334 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2024-12-02 14:34:21,889 INFO L276 IsEmpty]: Start isEmpty. Operand has 63 states, 40 states have (on average 1.575) internal successors, (63), 54 states have internal predecessors, (63), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2024-12-02 14:34:21,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-02 14:34:21,895 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:34:21,895 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:34:21,896 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-12-02 14:34:21,900 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:34:21,901 INFO L85 PathProgramCache]: Analyzing trace with hash -339486432, now seen corresponding path program 1 times [2024-12-02 14:34:21,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 14:34:21,911 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [258306384] [2024-12-02 14:34:21,911 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:34:21,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 14:34:21,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e69ecc-b6f4-4ba5-9086-edcfd59cb3b7/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:34:21,913 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e69ecc-b6f4-4ba5-9086-edcfd59cb3b7/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 14:34:21,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e69ecc-b6f4-4ba5-9086-edcfd59cb3b7/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 14:34:22,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:34:22,006 INFO L256 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 14:34:22,008 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:34:22,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 14:34:22,078 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 14:34:22,078 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 14:34:22,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [258306384] [2024-12-02 14:34:22,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [258306384] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:34:22,079 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:34:22,079 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 14:34:22,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [572627467] [2024-12-02 14:34:22,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:34:22,084 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 14:34:22,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 14:34:22,099 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 14:34:22,099 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 14:34:22,101 INFO L87 Difference]: Start difference. First operand has 63 states, 40 states have (on average 1.575) internal successors, (63), 54 states have internal predecessors, (63), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-12-02 14:34:26,165 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 14:34:30,167 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 14:34:34,169 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 14:34:35,393 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 14:34:35,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:34:35,425 INFO L93 Difference]: Finished difference Result 119 states and 156 transitions. [2024-12-02 14:34:35,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 14:34:35,427 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2024-12-02 14:34:35,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:34:35,431 INFO L225 Difference]: With dead ends: 119 [2024-12-02 14:34:35,432 INFO L226 Difference]: Without dead ends: 52 [2024-12-02 14:34:35,433 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-02 14:34:35,435 INFO L435 NwaCegarLoop]: 63 mSDtfsCounter, 5 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 3 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 175 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.3s IncrementalHoareTripleChecker+Time [2024-12-02 14:34:35,436 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 175 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 22 Invalid, 3 Unknown, 0 Unchecked, 13.3s Time] [2024-12-02 14:34:35,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2024-12-02 14:34:35,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 51. [2024-12-02 14:34:35,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 34 states have (on average 1.3529411764705883) internal successors, (46), 44 states have internal predecessors, (46), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-12-02 14:34:35,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 58 transitions. [2024-12-02 14:34:35,461 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 58 transitions. Word has length 12 [2024-12-02 14:34:35,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:34:35,462 INFO L471 AbstractCegarLoop]: Abstraction has 51 states and 58 transitions. [2024-12-02 14:34:35,462 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-12-02 14:34:35,462 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 58 transitions. [2024-12-02 14:34:35,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-02 14:34:35,463 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:34:35,463 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:34:35,473 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e69ecc-b6f4-4ba5-9086-edcfd59cb3b7/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 14:34:35,663 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e69ecc-b6f4-4ba5-9086-edcfd59cb3b7/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 14:34:35,664 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-12-02 14:34:35,664 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:34:35,664 INFO L85 PathProgramCache]: Analyzing trace with hash 171055490, now seen corresponding path program 1 times [2024-12-02 14:34:35,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 14:34:35,665 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [539692803] [2024-12-02 14:34:35,665 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:34:35,665 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 [2024-12-02 14:34:35,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e69ecc-b6f4-4ba5-9086-edcfd59cb3b7/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 14:34:35,667 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e69ecc-b6f4-4ba5-9086-edcfd59cb3b7/bin/uautomizer-verify-84ZbGMXZE1/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) [2024-12-02 14:34:35,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e69ecc-b6f4-4ba5-9086-edcfd59cb3b7/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 14:34:35,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:34:35,751 INFO L256 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 14:34:35,752 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:34:35,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 14:34:35,801 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 14:34:35,801 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 14:34:35,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [539692803] [2024-12-02 14:34:35,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [539692803] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:34:35,802 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:34:35,802 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 14:34:35,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306463507] [2024-12-02 14:34:35,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:34:35,803 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 14:34:35,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 14:34:35,803 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 14:34:35,803 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 14:34:35,804 INFO L87 Difference]: Start difference. First operand 51 states and 58 transitions. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-12-02 14:34:35,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:34:35,839 INFO L93 Difference]: Finished difference Result 86 states and 96 transitions. [2024-12-02 14:34:35,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 14:34:35,840 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14 [2024-12-02 14:34:35,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:34:35,840 INFO L225 Difference]: With dead ends: 86 [2024-12-02 14:34:35,840 INFO L226 Difference]: Without dead ends: 45 [2024-12-02 14:34:35,841 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-02 14:34:35,841 INFO L435 NwaCegarLoop]: 47 mSDtfsCounter, 2 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 133 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 14:34:35,842 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 133 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 14:34:35,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2024-12-02 14:34:35,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2024-12-02 14:34:35,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 31 states have (on average 1.2903225806451613) internal successors, (40), 38 states have internal predecessors, (40), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-12-02 14:34:35,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 50 transitions. [2024-12-02 14:34:35,848 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 50 transitions. Word has length 14 [2024-12-02 14:34:35,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:34:35,848 INFO L471 AbstractCegarLoop]: Abstraction has 45 states and 50 transitions. [2024-12-02 14:34:35,848 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-12-02 14:34:35,848 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 50 transitions. [2024-12-02 14:34:35,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-02 14:34:35,849 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:34:35,849 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:34:35,853 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e69ecc-b6f4-4ba5-9086-edcfd59cb3b7/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 14:34:36,049 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e69ecc-b6f4-4ba5-9086-edcfd59cb3b7/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 14:34:36,049 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-12-02 14:34:36,050 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:34:36,050 INFO L85 PathProgramCache]: Analyzing trace with hash 1730217596, now seen corresponding path program 1 times [2024-12-02 14:34:36,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 14:34:36,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1829968181] [2024-12-02 14:34:36,051 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:34:36,051 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 [2024-12-02 14:34:36,051 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e69ecc-b6f4-4ba5-9086-edcfd59cb3b7/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 14:34:36,052 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e69ecc-b6f4-4ba5-9086-edcfd59cb3b7/bin/uautomizer-verify-84ZbGMXZE1/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) [2024-12-02 14:34:36,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e69ecc-b6f4-4ba5-9086-edcfd59cb3b7/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 14:34:36,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:34:36,117 INFO L256 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 14:34:36,118 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:34:36,138 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 14:34:36,138 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 14:34:36,138 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 14:34:36,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1829968181] [2024-12-02 14:34:36,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1829968181] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:34:36,138 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:34:36,138 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 14:34:36,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3183781] [2024-12-02 14:34:36,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:34:36,139 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 14:34:36,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 14:34:36,139 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 14:34:36,140 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:34:36,140 INFO L87 Difference]: Start difference. First operand 45 states and 50 transitions. Second operand has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 14:34:36,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:34:36,229 INFO L93 Difference]: Finished difference Result 62 states and 66 transitions. [2024-12-02 14:34:36,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 14:34:36,230 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 23 [2024-12-02 14:34:36,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:34:36,231 INFO L225 Difference]: With dead ends: 62 [2024-12-02 14:34:36,231 INFO L226 Difference]: Without dead ends: 41 [2024-12-02 14:34:36,231 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:34:36,232 INFO L435 NwaCegarLoop]: 40 mSDtfsCounter, 5 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 14:34:36,232 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 72 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 14:34:36,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2024-12-02 14:34:36,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2024-12-02 14:34:36,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 30 states have (on average 1.2) internal successors, (36), 34 states have internal predecessors, (36), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-12-02 14:34:36,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 44 transitions. [2024-12-02 14:34:36,242 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 44 transitions. Word has length 23 [2024-12-02 14:34:36,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:34:36,242 INFO L471 AbstractCegarLoop]: Abstraction has 41 states and 44 transitions. [2024-12-02 14:34:36,242 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 14:34:36,242 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 44 transitions. [2024-12-02 14:34:36,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-02 14:34:36,243 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:34:36,243 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:34:36,246 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e69ecc-b6f4-4ba5-9086-edcfd59cb3b7/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 14:34:36,443 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e69ecc-b6f4-4ba5-9086-edcfd59cb3b7/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 14:34:36,444 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-12-02 14:34:36,444 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:34:36,444 INFO L85 PathProgramCache]: Analyzing trace with hash 586894336, now seen corresponding path program 1 times [2024-12-02 14:34:36,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 14:34:36,445 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [22992344] [2024-12-02 14:34:36,445 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:34:36,445 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 [2024-12-02 14:34:36,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e69ecc-b6f4-4ba5-9086-edcfd59cb3b7/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 14:34:36,446 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e69ecc-b6f4-4ba5-9086-edcfd59cb3b7/bin/uautomizer-verify-84ZbGMXZE1/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) [2024-12-02 14:34:36,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e69ecc-b6f4-4ba5-9086-edcfd59cb3b7/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 14:34:36,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:34:36,547 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 14:34:36,549 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:34:36,569 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 14:34:36,569 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 14:34:36,569 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 14:34:36,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [22992344] [2024-12-02 14:34:36,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [22992344] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:34:36,570 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:34:36,570 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 14:34:36,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [183034489] [2024-12-02 14:34:36,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:34:36,570 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 14:34:36,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 14:34:36,571 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 14:34:36,571 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 14:34:36,571 INFO L87 Difference]: Start difference. First operand 41 states and 44 transitions. Second operand has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 14:34:36,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:34:36,646 INFO L93 Difference]: Finished difference Result 67 states and 70 transitions. [2024-12-02 14:34:36,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 14:34:36,647 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 25 [2024-12-02 14:34:36,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:34:36,648 INFO L225 Difference]: With dead ends: 67 [2024-12-02 14:34:36,648 INFO L226 Difference]: Without dead ends: 41 [2024-12-02 14:34:36,648 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-02 14:34:36,649 INFO L435 NwaCegarLoop]: 38 mSDtfsCounter, 6 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 14:34:36,649 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 104 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 14:34:36,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2024-12-02 14:34:36,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2024-12-02 14:34:36,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 30 states have (on average 1.1666666666666667) internal successors, (35), 34 states have internal predecessors, (35), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-12-02 14:34:36,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 43 transitions. [2024-12-02 14:34:36,654 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 43 transitions. Word has length 25 [2024-12-02 14:34:36,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:34:36,654 INFO L471 AbstractCegarLoop]: Abstraction has 41 states and 43 transitions. [2024-12-02 14:34:36,654 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 14:34:36,654 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 43 transitions. [2024-12-02 14:34:36,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-12-02 14:34:36,655 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:34:36,655 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:34:36,658 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e69ecc-b6f4-4ba5-9086-edcfd59cb3b7/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 14:34:36,855 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e69ecc-b6f4-4ba5-9086-edcfd59cb3b7/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 14:34:36,855 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-12-02 14:34:36,856 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:34:36,856 INFO L85 PathProgramCache]: Analyzing trace with hash 1009980520, now seen corresponding path program 1 times [2024-12-02 14:34:36,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 14:34:36,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1242282767] [2024-12-02 14:34:36,856 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:34:36,856 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 [2024-12-02 14:34:36,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e69ecc-b6f4-4ba5-9086-edcfd59cb3b7/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 14:34:36,858 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e69ecc-b6f4-4ba5-9086-edcfd59cb3b7/bin/uautomizer-verify-84ZbGMXZE1/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) [2024-12-02 14:34:36,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e69ecc-b6f4-4ba5-9086-edcfd59cb3b7/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 14:34:36,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:34:36,944 INFO L256 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 14:34:36,945 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:34:36,990 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 14:34:36,990 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 14:34:36,990 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 14:34:36,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1242282767] [2024-12-02 14:34:36,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1242282767] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:34:36,991 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:34:36,991 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 14:34:36,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1485580421] [2024-12-02 14:34:36,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:34:36,991 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 14:34:36,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 14:34:36,991 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 14:34:36,992 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 14:34:36,992 INFO L87 Difference]: Start difference. First operand 41 states and 43 transitions. Second operand has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 14:34:37,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:34:37,028 INFO L93 Difference]: Finished difference Result 41 states and 43 transitions. [2024-12-02 14:34:37,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 14:34:37,028 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 26 [2024-12-02 14:34:37,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:34:37,029 INFO L225 Difference]: With dead ends: 41 [2024-12-02 14:34:37,029 INFO L226 Difference]: Without dead ends: 38 [2024-12-02 14:34:37,029 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-02 14:34:37,030 INFO L435 NwaCegarLoop]: 37 mSDtfsCounter, 2 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 14:34:37,030 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 103 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 14:34:37,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2024-12-02 14:34:37,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2024-12-02 14:34:37,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 28 states have (on average 1.1428571428571428) internal successors, (32), 31 states have internal predecessors, (32), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-12-02 14:34:37,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 40 transitions. [2024-12-02 14:34:37,035 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 40 transitions. Word has length 26 [2024-12-02 14:34:37,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:34:37,035 INFO L471 AbstractCegarLoop]: Abstraction has 38 states and 40 transitions. [2024-12-02 14:34:37,035 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 14:34:37,036 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 40 transitions. [2024-12-02 14:34:37,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-12-02 14:34:37,036 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:34:37,037 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:34:37,042 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e69ecc-b6f4-4ba5-9086-edcfd59cb3b7/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 14:34:37,237 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e69ecc-b6f4-4ba5-9086-edcfd59cb3b7/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 14:34:37,237 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-12-02 14:34:37,238 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:34:37,238 INFO L85 PathProgramCache]: Analyzing trace with hash -1340795338, now seen corresponding path program 1 times [2024-12-02 14:34:37,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 14:34:37,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [345313947] [2024-12-02 14:34:37,238 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:34:37,238 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 [2024-12-02 14:34:37,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e69ecc-b6f4-4ba5-9086-edcfd59cb3b7/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 14:34:37,240 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e69ecc-b6f4-4ba5-9086-edcfd59cb3b7/bin/uautomizer-verify-84ZbGMXZE1/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) [2024-12-02 14:34:37,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e69ecc-b6f4-4ba5-9086-edcfd59cb3b7/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 14:34:37,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:34:37,339 INFO L256 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 14:34:37,341 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:34:37,350 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-02 14:34:37,350 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 14:34:37,350 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 14:34:37,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [345313947] [2024-12-02 14:34:37,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [345313947] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:34:37,350 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:34:37,350 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 14:34:37,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [514482062] [2024-12-02 14:34:37,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:34:37,351 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 14:34:37,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 14:34:37,351 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 14:34:37,351 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:34:37,351 INFO L87 Difference]: Start difference. First operand 38 states and 40 transitions. Second operand has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-12-02 14:34:37,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:34:37,406 INFO L93 Difference]: Finished difference Result 38 states and 40 transitions. [2024-12-02 14:34:37,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 14:34:37,406 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 32 [2024-12-02 14:34:37,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:34:37,407 INFO L225 Difference]: With dead ends: 38 [2024-12-02 14:34:37,407 INFO L226 Difference]: Without dead ends: 36 [2024-12-02 14:34:37,407 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:34:37,408 INFO L435 NwaCegarLoop]: 36 mSDtfsCounter, 1 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 14:34:37,408 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 69 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 14:34:37,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2024-12-02 14:34:37,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2024-12-02 14:34:37,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 28 states have (on average 1.0714285714285714) internal successors, (30), 29 states have internal predecessors, (30), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-12-02 14:34:37,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 38 transitions. [2024-12-02 14:34:37,412 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 38 transitions. Word has length 32 [2024-12-02 14:34:37,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:34:37,412 INFO L471 AbstractCegarLoop]: Abstraction has 36 states and 38 transitions. [2024-12-02 14:34:37,412 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-12-02 14:34:37,412 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 38 transitions. [2024-12-02 14:34:37,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-12-02 14:34:37,413 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:34:37,413 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:34:37,416 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e69ecc-b6f4-4ba5-9086-edcfd59cb3b7/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 14:34:37,614 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e69ecc-b6f4-4ba5-9086-edcfd59cb3b7/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 14:34:37,614 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-12-02 14:34:37,614 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:34:37,614 INFO L85 PathProgramCache]: Analyzing trace with hash 1577189682, now seen corresponding path program 1 times [2024-12-02 14:34:37,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 14:34:37,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1641912020] [2024-12-02 14:34:37,615 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:34:37,615 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 [2024-12-02 14:34:37,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e69ecc-b6f4-4ba5-9086-edcfd59cb3b7/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 14:34:37,616 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e69ecc-b6f4-4ba5-9086-edcfd59cb3b7/bin/uautomizer-verify-84ZbGMXZE1/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) [2024-12-02 14:34:37,617 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e69ecc-b6f4-4ba5-9086-edcfd59cb3b7/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2024-12-02 14:34:37,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:34:37,731 INFO L256 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 14:34:37,732 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:34:37,742 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-02 14:34:37,742 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 14:34:37,742 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 14:34:37,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1641912020] [2024-12-02 14:34:37,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1641912020] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:34:37,742 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:34:37,743 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 14:34:37,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [280027981] [2024-12-02 14:34:37,743 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:34:37,743 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 14:34:37,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 14:34:37,743 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 14:34:37,744 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:34:37,744 INFO L87 Difference]: Start difference. First operand 36 states and 38 transitions. Second operand has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-12-02 14:34:37,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:34:37,795 INFO L93 Difference]: Finished difference Result 36 states and 38 transitions. [2024-12-02 14:34:37,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 14:34:37,800 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 41 [2024-12-02 14:34:37,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:34:37,800 INFO L225 Difference]: With dead ends: 36 [2024-12-02 14:34:37,800 INFO L226 Difference]: Without dead ends: 0 [2024-12-02 14:34:37,800 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:34:37,801 INFO L435 NwaCegarLoop]: 35 mSDtfsCounter, 1 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 14:34:37,801 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 68 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 14:34:37,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-12-02 14:34:37,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-12-02 14:34:37,802 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) [2024-12-02 14:34:37,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-12-02 14:34:37,802 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 41 [2024-12-02 14:34:37,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:34:37,802 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-12-02 14:34:37,803 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-12-02 14:34:37,803 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-12-02 14:34:37,803 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-02 14:34:37,805 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 10 remaining) [2024-12-02 14:34:37,805 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 10 remaining) [2024-12-02 14:34:37,806 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 10 remaining) [2024-12-02 14:34:37,806 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 10 remaining) [2024-12-02 14:34:37,806 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 10 remaining) [2024-12-02 14:34:37,806 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 10 remaining) [2024-12-02 14:34:37,806 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 10 remaining) [2024-12-02 14:34:37,806 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 10 remaining) [2024-12-02 14:34:37,806 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 10 remaining) [2024-12-02 14:34:37,806 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 10 remaining) [2024-12-02 14:34:37,812 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e69ecc-b6f4-4ba5-9086-edcfd59cb3b7/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Ended with exit code 0 [2024-12-02 14:34:38,007 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e69ecc-b6f4-4ba5-9086-edcfd59cb3b7/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 14:34:38,009 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:34:38,010 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-12-02 14:34:38,031 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 14:34:38,037 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 02:34:38 BoogieIcfgContainer [2024-12-02 14:34:38,037 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 14:34:38,038 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 14:34:38,038 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 14:34:38,038 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 14:34:38,038 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:34:21" (3/4) ... [2024-12-02 14:34:38,040 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-02 14:34:38,044 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2024-12-02 14:34:38,044 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2024-12-02 14:34:38,047 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-12-02 14:34:38,047 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-12-02 14:34:38,047 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-12-02 14:34:38,047 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-02 14:34:38,119 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e69ecc-b6f4-4ba5-9086-edcfd59cb3b7/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml [2024-12-02 14:34:38,119 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e69ecc-b6f4-4ba5-9086-edcfd59cb3b7/bin/uautomizer-verify-84ZbGMXZE1/witness.yml [2024-12-02 14:34:38,119 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 14:34:38,120 INFO L158 Benchmark]: Toolchain (without parser) took 26140.86ms. Allocated memory was 92.3MB in the beginning and 167.8MB in the end (delta: 75.5MB). Free memory was 65.5MB in the beginning and 94.0MB in the end (delta: -28.5MB). Peak memory consumption was 49.5MB. Max. memory is 16.1GB. [2024-12-02 14:34:38,120 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 83.9MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 14:34:38,121 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1455.92ms. Allocated memory was 92.3MB in the beginning and 167.8MB in the end (delta: 75.5MB). Free memory was 65.3MB in the beginning and 121.8MB in the end (delta: -56.5MB). Peak memory consumption was 53.1MB. Max. memory is 16.1GB. [2024-12-02 14:34:38,121 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.00ms. Allocated memory is still 167.8MB. Free memory was 121.8MB in the beginning and 118.1MB in the end (delta: 3.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 14:34:38,121 INFO L158 Benchmark]: Boogie Preprocessor took 34.58ms. Allocated memory is still 167.8MB. Free memory was 118.1MB in the beginning and 115.7MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 14:34:38,121 INFO L158 Benchmark]: RCFGBuilder took 8301.84ms. Allocated memory is still 167.8MB. Free memory was 115.7MB in the beginning and 97.8MB in the end (delta: 18.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 14:34:38,122 INFO L158 Benchmark]: TraceAbstraction took 16213.38ms. Allocated memory is still 167.8MB. Free memory was 97.2MB in the beginning and 99.2MB in the end (delta: -2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 14:34:38,122 INFO L158 Benchmark]: Witness Printer took 81.80ms. Allocated memory is still 167.8MB. Free memory was 99.2MB in the beginning and 94.0MB in the end (delta: 5.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 14:34:38,123 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 83.9MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1455.92ms. Allocated memory was 92.3MB in the beginning and 167.8MB in the end (delta: 75.5MB). Free memory was 65.3MB in the beginning and 121.8MB in the end (delta: -56.5MB). Peak memory consumption was 53.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.00ms. Allocated memory is still 167.8MB. Free memory was 121.8MB in the beginning and 118.1MB in the end (delta: 3.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.58ms. Allocated memory is still 167.8MB. Free memory was 118.1MB in the beginning and 115.7MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 8301.84ms. Allocated memory is still 167.8MB. Free memory was 115.7MB in the beginning and 97.8MB in the end (delta: 18.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 16213.38ms. Allocated memory is still 167.8MB. Free memory was 97.2MB in the beginning and 99.2MB in the end (delta: -2.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 81.80ms. Allocated memory is still 167.8MB. Free memory was 99.2MB in the beginning and 94.0MB in the end (delta: 5.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * 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: 1846]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1848]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1848]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1867]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1869]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1869]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1893]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1893]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1909]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1909]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 63 locations, 10 error locations. Started 1 CEGAR loops. OverallTime: 16.1s, OverallIterations: 7, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 13.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 3 mSolverCounterUnknown, 27 SdHoareTripleChecker+Valid, 13.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 22 mSDsluCounter, 724 SdHoareTripleChecker+Invalid, 13.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 428 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 72 IncrementalHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 296 mSDtfsCounter, 72 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 170 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=63occurred in iteration=0, InterpolantAutomatonStates: 25, 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, 7 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 173 NumberOfCodeBlocks, 173 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 166 ConstructedInterpolants, 0 QuantifiedInterpolants, 206 SizeOfPredicates, 5 NumberOfNonLiveVariables, 437 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 36/36 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 10 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-12-02 14:34:38,146 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e69ecc-b6f4-4ba5-9086-edcfd59cb3b7/bin/uautomizer-verify-84ZbGMXZE1/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