./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_0875.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 798a7b37 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/float_req_bl_0875.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 027149746a3758b07c50ff16b2dbdfe672cfd188ffc035544f53bfbbaccdb52e --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-03 12:00:59,116 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-03 12:00:59,172 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-03-03 12:00:59,177 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-03 12:00:59,177 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-03 12:00:59,199 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-03 12:00:59,200 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-03 12:00:59,200 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-03 12:00:59,200 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-03 12:00:59,200 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-03 12:00:59,200 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-03 12:00:59,201 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-03 12:00:59,201 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-03 12:00:59,201 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-03 12:00:59,201 INFO L153 SettingsManager]: * Use SBE=true [2025-03-03 12:00:59,201 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-03 12:00:59,201 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-03 12:00:59,201 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-03 12:00:59,201 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-03 12:00:59,201 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-03 12:00:59,201 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-03 12:00:59,201 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-03 12:00:59,201 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-03 12:00:59,201 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-03 12:00:59,201 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-03 12:00:59,203 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-03 12:00:59,203 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-03 12:00:59,203 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-03 12:00:59,203 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-03 12:00:59,203 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-03 12:00:59,203 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-03 12:00:59,203 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-03 12:00:59,204 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-03 12:00:59,204 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-03 12:00:59,204 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-03 12:00:59,204 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-03 12:00:59,204 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-03 12:00:59,204 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-03 12:00:59,204 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-03 12:00:59,204 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-03 12:00:59,204 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-03 12:00:59,204 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-03 12:00:59,204 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-03 12:00:59,204 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 027149746a3758b07c50ff16b2dbdfe672cfd188ffc035544f53bfbbaccdb52e [2025-03-03 12:00:59,450 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-03 12:00:59,459 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-03 12:00:59,461 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-03 12:00:59,462 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-03 12:00:59,462 INFO L274 PluginConnector]: CDTParser initialized [2025-03-03 12:00:59,463 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0875.c [2025-03-03 12:01:00,599 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/afc2aa800/d6eee0a847d747aa8ff20bb57db12421/FLAG44979a7bc [2025-03-03 12:01:00,924 INFO L384 CDTParser]: Found 1 translation units. [2025-03-03 12:01:00,928 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0875.c [2025-03-03 12:01:00,945 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/afc2aa800/d6eee0a847d747aa8ff20bb57db12421/FLAG44979a7bc [2025-03-03 12:01:00,962 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/afc2aa800/d6eee0a847d747aa8ff20bb57db12421 [2025-03-03 12:01:00,964 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-03 12:01:00,966 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-03 12:01:00,968 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-03 12:01:00,969 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-03 12:01:00,973 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-03 12:01:00,973 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 12:01:00" (1/1) ... [2025-03-03 12:01:00,974 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33bf08ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 12:01:00, skipping insertion in model container [2025-03-03 12:01:00,974 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 12:01:00" (1/1) ... [2025-03-03 12:01:01,006 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-03 12:01:01,190 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: createNanOrInfinity is unsupported in non-bitprecise translation at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.createNanOrInfinity(IntegerTranslation.java:618) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleNaNOrInfinity(StandardFunctionHandler.java:3119) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.lambda$137(StandardFunctionHandler.java:602) 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:1658) 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.FunctionHandler.handleReturnStatement(FunctionHandler.java:572) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2224) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:197) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1839) 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:1195) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1178) 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:1816) 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:1195) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1178) 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:392) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1685) 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:3589) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2572) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:649) 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) [2025-03-03 12:01:01,198 INFO L158 Benchmark]: Toolchain (without parser) took 231.64ms. Allocated memory is still 201.3MB. Free memory was 154.4MB in the beginning and 142.3MB in the end (delta: 12.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-03 12:01:01,198 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 201.3MB. Free memory is still 119.3MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-03 12:01:01,199 INFO L158 Benchmark]: CACSL2BoogieTranslator took 228.58ms. Allocated memory is still 201.3MB. Free memory was 154.4MB in the beginning and 142.3MB in the end (delta: 12.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-03 12:01:01,199 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 201.3MB. Free memory is still 119.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 228.58ms. Allocated memory is still 201.3MB. Free memory was 154.4MB in the beginning and 142.3MB in the end (delta: 12.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: createNanOrInfinity is unsupported in non-bitprecise translation de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: createNanOrInfinity is unsupported in non-bitprecise translation: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.createNanOrInfinity(IntegerTranslation.java:618) 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: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/float_req_bl_0875.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 027149746a3758b07c50ff16b2dbdfe672cfd188ffc035544f53bfbbaccdb52e --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-03 12:01:03,206 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-03 12:01:03,285 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-03-03 12:01:03,304 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-03 12:01:03,304 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-03 12:01:03,325 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-03 12:01:03,326 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-03 12:01:03,326 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-03 12:01:03,326 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-03 12:01:03,326 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-03 12:01:03,326 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-03 12:01:03,326 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-03 12:01:03,327 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-03 12:01:03,327 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-03 12:01:03,327 INFO L153 SettingsManager]: * Use SBE=true [2025-03-03 12:01:03,327 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-03 12:01:03,327 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-03 12:01:03,328 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-03 12:01:03,328 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-03 12:01:03,329 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-03 12:01:03,329 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-03 12:01:03,329 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-03 12:01:03,329 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-03 12:01:03,329 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-03-03 12:01:03,329 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-03-03 12:01:03,329 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-03-03 12:01:03,329 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-03 12:01:03,329 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-03 12:01:03,329 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-03 12:01:03,329 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-03 12:01:03,330 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-03 12:01:03,330 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-03 12:01:03,330 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-03 12:01:03,330 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-03 12:01:03,330 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-03 12:01:03,330 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-03 12:01:03,330 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-03 12:01:03,331 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-03 12:01:03,331 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-03 12:01:03,331 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-03-03 12:01:03,331 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-03-03 12:01:03,331 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-03 12:01:03,331 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-03 12:01:03,331 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-03 12:01:03,331 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-03 12:01:03,331 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 027149746a3758b07c50ff16b2dbdfe672cfd188ffc035544f53bfbbaccdb52e [2025-03-03 12:01:03,588 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-03 12:01:03,596 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-03 12:01:03,600 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-03 12:01:03,601 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-03 12:01:03,601 INFO L274 PluginConnector]: CDTParser initialized [2025-03-03 12:01:03,605 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0875.c [2025-03-03 12:01:04,867 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d406fbb0/b58f2365d8c64271a7a737ba58ba9a5e/FLAG6d7181123 [2025-03-03 12:01:05,093 INFO L384 CDTParser]: Found 1 translation units. [2025-03-03 12:01:05,096 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0875.c [2025-03-03 12:01:05,109 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d406fbb0/b58f2365d8c64271a7a737ba58ba9a5e/FLAG6d7181123 [2025-03-03 12:01:05,126 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d406fbb0/b58f2365d8c64271a7a737ba58ba9a5e [2025-03-03 12:01:05,128 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-03 12:01:05,129 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-03 12:01:05,130 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-03 12:01:05,131 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-03 12:01:05,134 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-03 12:01:05,134 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 12:01:05" (1/1) ... [2025-03-03 12:01:05,135 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63ee1ed5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 12:01:05, skipping insertion in model container [2025-03-03 12:01:05,136 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 12:01:05" (1/1) ... [2025-03-03 12:01:05,164 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-03 12:01:05,407 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0875.c[14084,14097] [2025-03-03 12:01:05,413 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-03 12:01:05,434 INFO L200 MainTranslator]: Completed pre-run [2025-03-03 12:01:05,511 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0875.c[14084,14097] [2025-03-03 12:01:05,514 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-03 12:01:05,533 INFO L204 MainTranslator]: Completed translation [2025-03-03 12:01:05,534 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 12:01:05 WrapperNode [2025-03-03 12:01:05,534 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-03 12:01:05,535 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-03 12:01:05,535 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-03 12:01:05,536 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-03 12:01:05,540 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 12:01:05" (1/1) ... [2025-03-03 12:01:05,556 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 12:01:05" (1/1) ... [2025-03-03 12:01:05,586 INFO L138 Inliner]: procedures = 26, calls = 193, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 718 [2025-03-03 12:01:05,586 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-03 12:01:05,587 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-03 12:01:05,587 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-03 12:01:05,587 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-03 12:01:05,594 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 12:01:05" (1/1) ... [2025-03-03 12:01:05,595 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 12:01:05" (1/1) ... [2025-03-03 12:01:05,606 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 12:01:05" (1/1) ... [2025-03-03 12:01:05,637 INFO L175 MemorySlicer]: Split 86 memory accesses to 40 slices as follows [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 5, 2, 4, 2, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2]. 6 percent of accesses are in the largest equivalence class. The 10 initializations are split as follows [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 0, 0, 0, 0, 2, 0, 2, 0, 2, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]. The 35 writes are split as follows [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 0, 1, 0, 1, 0, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]. [2025-03-03 12:01:05,637 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 12:01:05" (1/1) ... [2025-03-03 12:01:05,637 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 12:01:05" (1/1) ... [2025-03-03 12:01:05,665 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 12:01:05" (1/1) ... [2025-03-03 12:01:05,667 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 12:01:05" (1/1) ... [2025-03-03 12:01:05,674 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 12:01:05" (1/1) ... [2025-03-03 12:01:05,678 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 12:01:05" (1/1) ... [2025-03-03 12:01:05,691 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-03 12:01:05,691 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-03 12:01:05,692 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-03 12:01:05,692 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-03 12:01:05,692 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 12:01:05" (1/1) ... [2025-03-03 12:01:05,701 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-03 12:01:05,710 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-03 12:01:05,722 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-03 12:01:05,725 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-03 12:01:05,747 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-03 12:01:05,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-03-03 12:01:05,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2025-03-03 12:01:05,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2025-03-03 12:01:05,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2025-03-03 12:01:05,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2025-03-03 12:01:05,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2025-03-03 12:01:05,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2025-03-03 12:01:05,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2025-03-03 12:01:05,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2025-03-03 12:01:05,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2025-03-03 12:01:05,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10 [2025-03-03 12:01:05,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#11 [2025-03-03 12:01:05,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#12 [2025-03-03 12:01:05,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#13 [2025-03-03 12:01:05,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#14 [2025-03-03 12:01:05,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#15 [2025-03-03 12:01:05,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#16 [2025-03-03 12:01:05,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#17 [2025-03-03 12:01:05,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#18 [2025-03-03 12:01:05,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#19 [2025-03-03 12:01:05,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#20 [2025-03-03 12:01:05,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#21 [2025-03-03 12:01:05,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#22 [2025-03-03 12:01:05,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#23 [2025-03-03 12:01:05,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#24 [2025-03-03 12:01:05,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#25 [2025-03-03 12:01:05,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#26 [2025-03-03 12:01:05,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#27 [2025-03-03 12:01:05,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#28 [2025-03-03 12:01:05,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#29 [2025-03-03 12:01:05,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#30 [2025-03-03 12:01:05,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#31 [2025-03-03 12:01:05,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#32 [2025-03-03 12:01:05,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#33 [2025-03-03 12:01:05,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#34 [2025-03-03 12:01:05,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#35 [2025-03-03 12:01:05,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#36 [2025-03-03 12:01:05,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#37 [2025-03-03 12:01:05,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#38 [2025-03-03 12:01:05,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#39 [2025-03-03 12:01:05,751 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-03 12:01:05,751 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2025-03-03 12:01:05,751 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2025-03-03 12:01:05,751 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2025-03-03 12:01:05,751 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2025-03-03 12:01:05,751 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4 [2025-03-03 12:01:05,751 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#5 [2025-03-03 12:01:05,751 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#6 [2025-03-03 12:01:05,751 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#7 [2025-03-03 12:01:05,751 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#8 [2025-03-03 12:01:05,751 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#9 [2025-03-03 12:01:05,751 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#10 [2025-03-03 12:01:05,751 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#11 [2025-03-03 12:01:05,751 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#12 [2025-03-03 12:01:05,751 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#13 [2025-03-03 12:01:05,751 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#14 [2025-03-03 12:01:05,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#15 [2025-03-03 12:01:05,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#16 [2025-03-03 12:01:05,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#17 [2025-03-03 12:01:05,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#18 [2025-03-03 12:01:05,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#19 [2025-03-03 12:01:05,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#20 [2025-03-03 12:01:05,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#21 [2025-03-03 12:01:05,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#22 [2025-03-03 12:01:05,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#23 [2025-03-03 12:01:05,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#24 [2025-03-03 12:01:05,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#25 [2025-03-03 12:01:05,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#26 [2025-03-03 12:01:05,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#27 [2025-03-03 12:01:05,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#28 [2025-03-03 12:01:05,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#29 [2025-03-03 12:01:05,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#30 [2025-03-03 12:01:05,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#31 [2025-03-03 12:01:05,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#32 [2025-03-03 12:01:05,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#33 [2025-03-03 12:01:05,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#34 [2025-03-03 12:01:05,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#35 [2025-03-03 12:01:05,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#36 [2025-03-03 12:01:05,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#37 [2025-03-03 12:01:05,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#38 [2025-03-03 12:01:05,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#39 [2025-03-03 12:01:05,752 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2025-03-03 12:01:05,755 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2025-03-03 12:01:05,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2025-03-03 12:01:05,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2025-03-03 12:01:05,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2025-03-03 12:01:05,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2025-03-03 12:01:05,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2025-03-03 12:01:05,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2025-03-03 12:01:05,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2025-03-03 12:01:05,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2025-03-03 12:01:05,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2025-03-03 12:01:05,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9 [2025-03-03 12:01:05,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#10 [2025-03-03 12:01:05,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#11 [2025-03-03 12:01:05,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#12 [2025-03-03 12:01:05,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#13 [2025-03-03 12:01:05,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#14 [2025-03-03 12:01:05,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#15 [2025-03-03 12:01:05,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#16 [2025-03-03 12:01:05,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#17 [2025-03-03 12:01:05,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#18 [2025-03-03 12:01:05,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#19 [2025-03-03 12:01:05,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#20 [2025-03-03 12:01:05,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#21 [2025-03-03 12:01:05,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#22 [2025-03-03 12:01:05,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#23 [2025-03-03 12:01:05,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#24 [2025-03-03 12:01:05,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#25 [2025-03-03 12:01:05,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#26 [2025-03-03 12:01:05,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#27 [2025-03-03 12:01:05,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#28 [2025-03-03 12:01:05,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#29 [2025-03-03 12:01:05,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#30 [2025-03-03 12:01:05,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#31 [2025-03-03 12:01:05,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#32 [2025-03-03 12:01:05,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#33 [2025-03-03 12:01:05,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#34 [2025-03-03 12:01:05,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#35 [2025-03-03 12:01:05,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#36 [2025-03-03 12:01:05,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#37 [2025-03-03 12:01:05,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#38 [2025-03-03 12:01:05,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#39 [2025-03-03 12:01:05,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2025-03-03 12:01:05,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2025-03-03 12:01:05,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2025-03-03 12:01:05,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2025-03-03 12:01:05,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4 [2025-03-03 12:01:05,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#5 [2025-03-03 12:01:05,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#6 [2025-03-03 12:01:05,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#7 [2025-03-03 12:01:05,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#8 [2025-03-03 12:01:05,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#9 [2025-03-03 12:01:05,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#10 [2025-03-03 12:01:05,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#11 [2025-03-03 12:01:05,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#12 [2025-03-03 12:01:05,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#13 [2025-03-03 12:01:05,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#14 [2025-03-03 12:01:05,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#15 [2025-03-03 12:01:05,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#16 [2025-03-03 12:01:05,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#17 [2025-03-03 12:01:05,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#18 [2025-03-03 12:01:05,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#19 [2025-03-03 12:01:05,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#20 [2025-03-03 12:01:05,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#21 [2025-03-03 12:01:05,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#22 [2025-03-03 12:01:05,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#23 [2025-03-03 12:01:05,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#24 [2025-03-03 12:01:05,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#25 [2025-03-03 12:01:05,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#26 [2025-03-03 12:01:05,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#27 [2025-03-03 12:01:05,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#28 [2025-03-03 12:01:05,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#29 [2025-03-03 12:01:05,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#30 [2025-03-03 12:01:05,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#31 [2025-03-03 12:01:05,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#32 [2025-03-03 12:01:05,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#33 [2025-03-03 12:01:05,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#34 [2025-03-03 12:01:05,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#35 [2025-03-03 12:01:05,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#36 [2025-03-03 12:01:05,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#37 [2025-03-03 12:01:05,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#38 [2025-03-03 12:01:05,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#39 [2025-03-03 12:01:05,760 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_float [2025-03-03 12:01:05,760 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_float [2025-03-03 12:01:05,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#0 [2025-03-03 12:01:05,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#1 [2025-03-03 12:01:05,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#2 [2025-03-03 12:01:05,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#3 [2025-03-03 12:01:05,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#4 [2025-03-03 12:01:05,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#5 [2025-03-03 12:01:05,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#6 [2025-03-03 12:01:05,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#7 [2025-03-03 12:01:05,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#8 [2025-03-03 12:01:05,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#9 [2025-03-03 12:01:05,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#10 [2025-03-03 12:01:05,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#11 [2025-03-03 12:01:05,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#12 [2025-03-03 12:01:05,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#13 [2025-03-03 12:01:05,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#14 [2025-03-03 12:01:05,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#15 [2025-03-03 12:01:05,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#16 [2025-03-03 12:01:05,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#17 [2025-03-03 12:01:05,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#18 [2025-03-03 12:01:05,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#19 [2025-03-03 12:01:05,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#20 [2025-03-03 12:01:05,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#21 [2025-03-03 12:01:05,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#22 [2025-03-03 12:01:05,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#23 [2025-03-03 12:01:05,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#24 [2025-03-03 12:01:05,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#25 [2025-03-03 12:01:05,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#26 [2025-03-03 12:01:05,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#27 [2025-03-03 12:01:05,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#28 [2025-03-03 12:01:05,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#29 [2025-03-03 12:01:05,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#30 [2025-03-03 12:01:05,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#31 [2025-03-03 12:01:05,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#32 [2025-03-03 12:01:05,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#33 [2025-03-03 12:01:05,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#34 [2025-03-03 12:01:05,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#35 [2025-03-03 12:01:05,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#36 [2025-03-03 12:01:05,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#37 [2025-03-03 12:01:05,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#38 [2025-03-03 12:01:05,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#39 [2025-03-03 12:01:05,762 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-03 12:01:05,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-03 12:01:05,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2025-03-03 12:01:05,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2025-03-03 12:01:05,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2025-03-03 12:01:05,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2025-03-03 12:01:05,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2025-03-03 12:01:05,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2025-03-03 12:01:05,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2025-03-03 12:01:05,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2025-03-03 12:01:05,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8 [2025-03-03 12:01:05,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#9 [2025-03-03 12:01:05,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#10 [2025-03-03 12:01:05,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#11 [2025-03-03 12:01:05,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#12 [2025-03-03 12:01:05,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#13 [2025-03-03 12:01:05,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#14 [2025-03-03 12:01:05,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#15 [2025-03-03 12:01:05,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#16 [2025-03-03 12:01:05,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#17 [2025-03-03 12:01:05,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#18 [2025-03-03 12:01:05,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#19 [2025-03-03 12:01:05,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#20 [2025-03-03 12:01:05,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#21 [2025-03-03 12:01:05,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#22 [2025-03-03 12:01:05,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#23 [2025-03-03 12:01:05,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#24 [2025-03-03 12:01:05,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#25 [2025-03-03 12:01:05,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#26 [2025-03-03 12:01:05,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#27 [2025-03-03 12:01:05,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#28 [2025-03-03 12:01:05,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#29 [2025-03-03 12:01:05,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#30 [2025-03-03 12:01:05,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#31 [2025-03-03 12:01:05,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#32 [2025-03-03 12:01:05,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#33 [2025-03-03 12:01:05,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#34 [2025-03-03 12:01:05,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#35 [2025-03-03 12:01:05,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#36 [2025-03-03 12:01:05,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#37 [2025-03-03 12:01:05,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#38 [2025-03-03 12:01:05,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#39 [2025-03-03 12:01:05,765 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-03 12:01:06,051 INFO L256 CfgBuilder]: Building ICFG [2025-03-03 12:01:06,053 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-03 12:01:55,222 INFO L? ?]: Removed 158 outVars from TransFormulas that were not future-live. [2025-03-03 12:01:55,222 INFO L307 CfgBuilder]: Performing block encoding [2025-03-03 12:01:55,234 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-03 12:01:55,236 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-03 12:01:55,237 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 12:01:55 BoogieIcfgContainer [2025-03-03 12:01:55,237 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-03 12:01:55,239 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-03 12:01:55,240 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-03 12:01:55,244 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-03 12:01:55,244 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.03 12:01:05" (1/3) ... [2025-03-03 12:01:55,245 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c8349d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 12:01:55, skipping insertion in model container [2025-03-03 12:01:55,245 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 12:01:05" (2/3) ... [2025-03-03 12:01:55,245 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c8349d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 12:01:55, skipping insertion in model container [2025-03-03 12:01:55,245 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 12:01:55" (3/3) ... [2025-03-03 12:01:55,246 INFO L128 eAbstractionObserver]: Analyzing ICFG float_req_bl_0875.c [2025-03-03 12:01:55,258 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-03 12:01:55,260 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG float_req_bl_0875.c that has 3 procedures, 190 locations, 1 initial locations, 37 loop locations, and 1 error locations. [2025-03-03 12:01:55,320 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-03 12:01:55,331 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;@742a4b12, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-03 12:01:55,332 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-03 12:01:55,336 INFO L276 IsEmpty]: Start isEmpty. Operand has 190 states, 181 states have (on average 1.723756906077348) internal successors, (312), 182 states have internal predecessors, (312), 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) [2025-03-03 12:01:55,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2025-03-03 12:01:55,342 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 12:01:55,343 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-03 12:01:55,345 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 12:01:55,350 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 12:01:55,351 INFO L85 PathProgramCache]: Analyzing trace with hash 810407047, now seen corresponding path program 1 times [2025-03-03 12:01:55,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-03 12:01:55,362 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [697575322] [2025-03-03 12:01:55,362 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 12:01:55,363 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 [2025-03-03 12:01:55,363 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-03 12:01:55,368 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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) [2025-03-03 12:01:55,369 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2025-03-03 12:01:55,567 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-03-03 12:01:56,192 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-03-03 12:01:56,193 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 12:01:56,193 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 12:01:56,222 INFO L256 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-03 12:01:56,225 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-03 12:01:56,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-03 12:01:56,239 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-03 12:01:56,239 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-03 12:01:56,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [697575322] [2025-03-03 12:01:56,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [697575322] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 12:01:56,240 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 12:01:56,240 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-03 12:01:56,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256516192] [2025-03-03 12:01:56,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 12:01:56,243 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-03 12:01:56,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-03 12:01:56,257 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-03 12:01:56,259 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-03 12:01:56,261 INFO L87 Difference]: Start difference. First operand has 190 states, 181 states have (on average 1.723756906077348) internal successors, (312), 182 states have internal predecessors, (312), 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) Second operand has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 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) [2025-03-03 12:01:56,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 12:01:56,300 INFO L93 Difference]: Finished difference Result 377 states and 645 transitions. [2025-03-03 12:01:56,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-03 12:01:56,301 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 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 18 [2025-03-03 12:01:56,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 12:01:56,306 INFO L225 Difference]: With dead ends: 377 [2025-03-03 12:01:56,307 INFO L226 Difference]: Without dead ends: 186 [2025-03-03 12:01:56,312 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-03 12:01:56,314 INFO L435 NwaCegarLoop]: 251 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 251 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-03 12:01:56,315 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 251 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-03 12:01:56,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2025-03-03 12:01:56,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 186. [2025-03-03 12:01:56,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186 states, 178 states have (on average 1.3258426966292134) internal successors, (236), 178 states have internal predecessors, (236), 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) [2025-03-03 12:01:56,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 246 transitions. [2025-03-03 12:01:56,357 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 246 transitions. Word has length 18 [2025-03-03 12:01:56,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 12:01:56,357 INFO L471 AbstractCegarLoop]: Abstraction has 186 states and 246 transitions. [2025-03-03 12:01:56,358 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 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) [2025-03-03 12:01:56,358 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 246 transitions. [2025-03-03 12:01:56,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2025-03-03 12:01:56,359 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 12:01:56,359 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-03 12:01:56,385 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2025-03-03 12:01:56,560 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2025-03-03 12:01:56,560 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 12:01:56,561 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 12:01:56,562 INFO L85 PathProgramCache]: Analyzing trace with hash -837888501, now seen corresponding path program 1 times [2025-03-03 12:01:56,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-03 12:01:56,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1410443054] [2025-03-03 12:01:56,562 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 12:01:56,562 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 [2025-03-03 12:01:56,562 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-03 12:01:56,564 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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) [2025-03-03 12:01:56,565 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2025-03-03 12:01:56,702 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 22 statements into 1 equivalence classes. [2025-03-03 12:01:57,368 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 22 of 22 statements. [2025-03-03 12:01:57,368 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 12:01:57,368 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 12:01:57,398 INFO L256 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-03-03 12:01:57,402 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-03 12:01:58,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-03 12:01:58,437 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-03 12:01:58,437 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-03 12:01:58,437 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1410443054] [2025-03-03 12:01:58,437 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1410443054] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 12:01:58,437 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 12:01:58,437 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-03-03 12:01:58,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [959267843] [2025-03-03 12:01:58,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 12:01:58,438 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-03 12:01:58,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-03 12:01:58,439 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-03 12:01:58,439 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-03-03 12:01:58,439 INFO L87 Difference]: Start difference. First operand 186 states and 246 transitions. Second operand has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 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) [2025-03-03 12:01:59,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 12:01:59,509 INFO L93 Difference]: Finished difference Result 207 states and 269 transitions. [2025-03-03 12:01:59,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-03 12:01:59,510 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 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 22 [2025-03-03 12:01:59,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 12:01:59,511 INFO L225 Difference]: With dead ends: 207 [2025-03-03 12:01:59,511 INFO L226 Difference]: Without dead ends: 35 [2025-03-03 12:01:59,511 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2025-03-03 12:01:59,512 INFO L435 NwaCegarLoop]: 29 mSDtfsCounter, 31 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2025-03-03 12:01:59,513 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 122 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-03-03 12:01:59,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2025-03-03 12:01:59,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 34. [2025-03-03 12:01:59,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 31 states have (on average 1.1935483870967742) internal successors, (37), 31 states have internal predecessors, (37), 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) [2025-03-03 12:01:59,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 39 transitions. [2025-03-03 12:01:59,515 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 39 transitions. Word has length 22 [2025-03-03 12:01:59,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 12:01:59,515 INFO L471 AbstractCegarLoop]: Abstraction has 34 states and 39 transitions. [2025-03-03 12:01:59,515 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 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) [2025-03-03 12:01:59,515 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 39 transitions. [2025-03-03 12:01:59,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2025-03-03 12:01:59,516 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 12:01:59,516 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-03 12:01:59,543 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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)] Forceful destruction successful, exit code 0 [2025-03-03 12:01:59,716 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2025-03-03 12:01:59,717 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 12:01:59,717 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 12:01:59,717 INFO L85 PathProgramCache]: Analyzing trace with hash -1037834743, now seen corresponding path program 1 times [2025-03-03 12:01:59,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-03 12:01:59,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [33082738] [2025-03-03 12:01:59,718 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 12:01:59,718 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 [2025-03-03 12:01:59,718 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-03 12:01:59,719 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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) [2025-03-03 12:01:59,721 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2025-03-03 12:01:59,843 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 24 statements into 1 equivalence classes. [2025-03-03 12:02:00,525 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 24 of 24 statements. [2025-03-03 12:02:00,525 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 12:02:00,525 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 12:02:00,557 INFO L256 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-03-03 12:02:00,560 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-03 12:02:01,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-03 12:02:01,875 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-03 12:02:01,875 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-03 12:02:01,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [33082738] [2025-03-03 12:02:01,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [33082738] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 12:02:01,875 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 12:02:01,875 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-03-03 12:02:01,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [880940343] [2025-03-03 12:02:01,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 12:02:01,875 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-03 12:02:01,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-03 12:02:01,876 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-03 12:02:01,876 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-03-03 12:02:01,876 INFO L87 Difference]: Start difference. First operand 34 states and 39 transitions. Second operand has 7 states, 7 states have (on average 3.142857142857143) internal successors, (22), 7 states have internal predecessors, (22), 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) [2025-03-03 12:02:03,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 12:02:03,654 INFO L93 Difference]: Finished difference Result 44 states and 49 transitions. [2025-03-03 12:02:03,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-03 12:02:03,655 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.142857142857143) internal successors, (22), 7 states have internal predecessors, (22), 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 24 [2025-03-03 12:02:03,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 12:02:03,655 INFO L225 Difference]: With dead ends: 44 [2025-03-03 12:02:03,655 INFO L226 Difference]: Without dead ends: 35 [2025-03-03 12:02:03,656 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2025-03-03 12:02:03,656 INFO L435 NwaCegarLoop]: 27 mSDtfsCounter, 28 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 140 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2025-03-03 12:02:03,657 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 140 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2025-03-03 12:02:03,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2025-03-03 12:02:03,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 34. [2025-03-03 12:02:03,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 31 states have (on average 1.1612903225806452) internal successors, (36), 31 states have internal predecessors, (36), 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) [2025-03-03 12:02:03,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 38 transitions. [2025-03-03 12:02:03,661 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 38 transitions. Word has length 24 [2025-03-03 12:02:03,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 12:02:03,661 INFO L471 AbstractCegarLoop]: Abstraction has 34 states and 38 transitions. [2025-03-03 12:02:03,661 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.142857142857143) internal successors, (22), 7 states have internal predecessors, (22), 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) [2025-03-03 12:02:03,661 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 38 transitions. [2025-03-03 12:02:03,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2025-03-03 12:02:03,662 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 12:02:03,662 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-03 12:02:03,691 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2025-03-03 12:02:03,862 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2025-03-03 12:02:03,862 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 12:02:03,863 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 12:02:03,863 INFO L85 PathProgramCache]: Analyzing trace with hash -1035987701, now seen corresponding path program 1 times [2025-03-03 12:02:03,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-03 12:02:03,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [804542703] [2025-03-03 12:02:03,863 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 12:02:03,863 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 [2025-03-03 12:02:03,863 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-03 12:02:03,866 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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) [2025-03-03 12:02:03,867 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2025-03-03 12:02:04,027 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 24 statements into 1 equivalence classes. [2025-03-03 12:02:04,761 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 24 of 24 statements. [2025-03-03 12:02:04,761 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 12:02:04,761 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 12:02:04,798 INFO L256 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 29 conjuncts are in the unsatisfiable core [2025-03-03 12:02:04,806 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-03 12:02:08,548 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2025-03-03 12:02:08,601 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 19 [2025-03-03 12:02:10,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-03 12:02:10,682 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-03 12:02:10,682 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-03 12:02:10,682 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [804542703] [2025-03-03 12:02:10,682 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [804542703] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 12:02:10,683 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 12:02:10,683 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2025-03-03 12:02:10,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360782245] [2025-03-03 12:02:10,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 12:02:10,683 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-03-03 12:02:10,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-03 12:02:10,684 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-03-03 12:02:10,684 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2025-03-03 12:02:10,684 INFO L87 Difference]: Start difference. First operand 34 states and 38 transitions. Second operand has 12 states, 11 states have (on average 2.0) internal successors, (22), 11 states have internal predecessors, (22), 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) [2025-03-03 12:02:18,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 12:02:18,024 INFO L93 Difference]: Finished difference Result 44 states and 48 transitions. [2025-03-03 12:02:18,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-03 12:02:18,026 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.0) internal successors, (22), 11 states have internal predecessors, (22), 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 24 [2025-03-03 12:02:18,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 12:02:18,027 INFO L225 Difference]: With dead ends: 44 [2025-03-03 12:02:18,027 INFO L226 Difference]: Without dead ends: 34 [2025-03-03 12:02:18,027 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 7.4s TimeCoverageRelationStatistics Valid=52, Invalid=254, Unknown=0, NotChecked=0, Total=306 [2025-03-03 12:02:18,028 INFO L435 NwaCegarLoop]: 20 mSDtfsCounter, 43 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 166 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2025-03-03 12:02:18,028 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 166 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2025-03-03 12:02:18,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2025-03-03 12:02:18,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 33. [2025-03-03 12:02:18,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 30 states have (on average 1.1333333333333333) internal successors, (34), 30 states have internal predecessors, (34), 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) [2025-03-03 12:02:18,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 36 transitions. [2025-03-03 12:02:18,032 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 36 transitions. Word has length 24 [2025-03-03 12:02:18,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 12:02:18,032 INFO L471 AbstractCegarLoop]: Abstraction has 33 states and 36 transitions. [2025-03-03 12:02:18,033 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.0) internal successors, (22), 11 states have internal predecessors, (22), 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) [2025-03-03 12:02:18,033 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 36 transitions. [2025-03-03 12:02:18,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2025-03-03 12:02:18,033 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 12:02:18,033 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-03 12:02:18,064 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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)] Forceful destruction successful, exit code 0 [2025-03-03 12:02:18,233 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2025-03-03 12:02:18,234 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 12:02:18,234 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 12:02:18,234 INFO L85 PathProgramCache]: Analyzing trace with hash -423099682, now seen corresponding path program 1 times [2025-03-03 12:02:18,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-03 12:02:18,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1221025212] [2025-03-03 12:02:18,235 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 12:02:18,235 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 [2025-03-03 12:02:18,235 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-03 12:02:18,237 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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) [2025-03-03 12:02:18,238 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2025-03-03 12:02:18,380 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-03-03 12:02:19,146 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-03-03 12:02:19,147 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 12:02:19,147 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 12:02:19,193 INFO L256 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 22 conjuncts are in the unsatisfiable core [2025-03-03 12:02:19,196 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-03 12:02:19,387 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2025-03-03 12:02:19,432 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2025-03-03 12:02:24,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-03 12:02:24,370 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-03 12:02:24,370 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-03 12:02:24,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1221025212] [2025-03-03 12:02:24,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1221025212] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 12:02:24,370 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 12:02:24,370 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2025-03-03 12:02:24,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221868073] [2025-03-03 12:02:24,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 12:02:24,370 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-03 12:02:24,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-03 12:02:24,371 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-03 12:02:24,371 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2025-03-03 12:02:24,371 INFO L87 Difference]: Start difference. First operand 33 states and 36 transitions. Second operand has 11 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 10 states have internal predecessors, (24), 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) [2025-03-03 12:02:29,243 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2025-03-03 12:02:29,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 12:02:29,286 INFO L93 Difference]: Finished difference Result 42 states and 45 transitions. [2025-03-03 12:02:29,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-03 12:02:29,288 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 10 states have internal predecessors, (24), 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 26 [2025-03-03 12:02:29,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 12:02:29,288 INFO L225 Difference]: With dead ends: 42 [2025-03-03 12:02:29,288 INFO L226 Difference]: Without dead ends: 33 [2025-03-03 12:02:29,289 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=44, Invalid=196, Unknown=0, NotChecked=0, Total=240 [2025-03-03 12:02:29,289 INFO L435 NwaCegarLoop]: 22 mSDtfsCounter, 30 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 168 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2025-03-03 12:02:29,289 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 168 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2025-03-03 12:02:29,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2025-03-03 12:02:29,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2025-03-03 12:02:29,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 30 states have (on average 1.0666666666666667) internal successors, (32), 30 states have internal predecessors, (32), 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) [2025-03-03 12:02:29,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 34 transitions. [2025-03-03 12:02:29,292 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 34 transitions. Word has length 26 [2025-03-03 12:02:29,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 12:02:29,292 INFO L471 AbstractCegarLoop]: Abstraction has 33 states and 34 transitions. [2025-03-03 12:02:29,293 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 10 states have internal predecessors, (24), 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) [2025-03-03 12:02:29,293 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 34 transitions. [2025-03-03 12:02:29,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2025-03-03 12:02:29,293 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 12:02:29,293 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-03 12:02:29,321 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2025-03-03 12:02:29,494 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2025-03-03 12:02:29,494 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 12:02:29,494 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 12:02:29,494 INFO L85 PathProgramCache]: Analyzing trace with hash 166889722, now seen corresponding path program 1 times [2025-03-03 12:02:29,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-03 12:02:29,495 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [487457921] [2025-03-03 12:02:29,495 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 12:02:29,495 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 [2025-03-03 12:02:29,495 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-03 12:02:29,497 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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) [2025-03-03 12:02:29,498 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2025-03-03 12:02:29,630 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-03-03 12:02:30,339 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-03-03 12:02:30,339 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 12:02:30,339 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 12:02:30,372 INFO L256 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-03-03 12:02:30,375 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-03 12:02:34,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-03 12:02:34,364 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-03 12:02:34,364 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-03 12:02:34,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [487457921] [2025-03-03 12:02:34,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [487457921] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 12:02:34,365 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 12:02:34,365 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-03-03 12:02:34,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774299561] [2025-03-03 12:02:34,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 12:02:34,365 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-03 12:02:34,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-03 12:02:34,366 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-03 12:02:34,366 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-03-03 12:02:34,366 INFO L87 Difference]: Start difference. First operand 33 states and 34 transitions. Second operand has 8 states, 8 states have (on average 3.125) internal successors, (25), 7 states have internal predecessors, (25), 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) [2025-03-03 12:02:36,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 12:02:36,123 INFO L93 Difference]: Finished difference Result 36 states and 36 transitions. [2025-03-03 12:02:36,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-03 12:02:36,124 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.125) internal successors, (25), 7 states have internal predecessors, (25), 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 27 [2025-03-03 12:02:36,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 12:02:36,124 INFO L225 Difference]: With dead ends: 36 [2025-03-03 12:02:36,124 INFO L226 Difference]: Without dead ends: 33 [2025-03-03 12:02:36,125 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 11 SyntacticMatches, 9 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2025-03-03 12:02:36,126 INFO L435 NwaCegarLoop]: 25 mSDtfsCounter, 13 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2025-03-03 12:02:36,126 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 124 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2025-03-03 12:02:36,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2025-03-03 12:02:36,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2025-03-03 12:02:36,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 30 states have (on average 1.0333333333333334) internal successors, (31), 30 states have internal predecessors, (31), 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) [2025-03-03 12:02:36,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 33 transitions. [2025-03-03 12:02:36,129 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 33 transitions. Word has length 27 [2025-03-03 12:02:36,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 12:02:36,129 INFO L471 AbstractCegarLoop]: Abstraction has 33 states and 33 transitions. [2025-03-03 12:02:36,129 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.125) internal successors, (25), 7 states have internal predecessors, (25), 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) [2025-03-03 12:02:36,129 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 33 transitions. [2025-03-03 12:02:36,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2025-03-03 12:02:36,129 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 12:02:36,130 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-03 12:02:36,162 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2025-03-03 12:02:36,330 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2025-03-03 12:02:36,330 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 12:02:36,331 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 12:02:36,331 INFO L85 PathProgramCache]: Analyzing trace with hash 611619606, now seen corresponding path program 1 times [2025-03-03 12:02:36,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-03 12:02:36,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [341368401] [2025-03-03 12:02:36,331 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 12:02:36,331 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 [2025-03-03 12:02:36,331 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-03 12:02:36,337 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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) [2025-03-03 12:02:36,339 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2025-03-03 12:02:36,478 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 31 statements into 1 equivalence classes. [2025-03-03 12:02:37,180 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 31 of 31 statements. [2025-03-03 12:02:37,180 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 12:02:37,180 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 12:02:37,219 INFO L256 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 20 conjuncts are in the unsatisfiable core [2025-03-03 12:02:37,222 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-03 12:02:41,976 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2025-03-03 12:02:42,023 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2025-03-03 12:02:43,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-03 12:02:43,800 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-03 12:02:43,800 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-03 12:02:43,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [341368401] [2025-03-03 12:02:43,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [341368401] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 12:02:43,800 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 12:02:43,800 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2025-03-03 12:02:43,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699791881] [2025-03-03 12:02:43,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 12:02:43,801 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-03-03 12:02:43,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-03 12:02:43,801 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-03-03 12:02:43,801 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2025-03-03 12:02:43,801 INFO L87 Difference]: Start difference. First operand 33 states and 33 transitions. Second operand has 12 states, 12 states have (on average 2.4166666666666665) internal successors, (29), 11 states have internal predecessors, (29), 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)