./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-78.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4f9af400 extending candidate: java ['java'] extending candidate: /usr/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/oracle-jdk-bin-*/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/openjdk-*/bin/java ['java', '/usr/bin/java'] extending candidate: /usr/lib/jvm/java-*-openjdk-amd64/bin/java ['java', '/usr/bin/java', '/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java', '/usr/lib/jvm/java-17-openjdk-amd64/bin/java', '/usr/lib/jvm/java-11-openjdk-amd64/bin/java', '/usr/lib/jvm/java-1.17.0-openjdk-amd64/bin/java'] ['/root/.sdkman/candidates/java/21.0.5-tem/bin/java', '-Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config', '-Xmx15G', '-Xms4m', '-jar', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar', '-data', '@noDefault', '-ultimatedata', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data', '-tc', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml', '-i', '../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-78.i', '-s', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf', '--cacsl2boogietranslator.entry.function', 'main', '--witnessprinter.witness.directory', '/storage/repos/ultimate-jdk21/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())) )\n\n', '--witnessprinter.graph.data.producer', 'Automizer', '--witnessprinter.graph.data.architecture', '32bit', '--witnessprinter.graph.data.programhash', 'e9378820110475a355542652e61313eeb7cbd1a9ed890c41ec6fcefb7d91c4d3'] Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-78.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 e9378820110475a355542652e61313eeb7cbd1a9ed890c41ec6fcefb7d91c4d3 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 07:41:47,848 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 07:41:47,928 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-07 07:41:47,937 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 07:41:47,937 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 07:41:47,962 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 07:41:47,963 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 07:41:47,963 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 07:41:47,965 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 07:41:47,965 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 07:41:47,965 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 07:41:47,965 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 07:41:47,965 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 07:41:47,966 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 07:41:47,966 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 07:41:47,967 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 07:41:47,967 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 07:41:47,968 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 07:41:47,968 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 07:41:47,968 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 07:41:47,968 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 07:41:47,968 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 07:41:47,969 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 07:41:47,969 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 07:41:47,969 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 07:41:47,969 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 07:41:47,969 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 07:41:47,969 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 07:41:47,969 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 07:41:47,969 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 07:41:47,969 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 07:41:47,969 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 07:41:47,969 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 07:41:47,969 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 07:41:47,969 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 07:41:47,969 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 07:41:47,970 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 07:41:47,970 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 07:41:47,970 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 07:41:47,970 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 07:41:47,970 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 07:41:47,970 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 07:41:47,970 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-jdk21/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 -> e9378820110475a355542652e61313eeb7cbd1a9ed890c41ec6fcefb7d91c4d3 [2024-11-07 07:41:48,268 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 07:41:48,277 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 07:41:48,279 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 07:41:48,280 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 07:41:48,280 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 07:41:48,282 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-78.i [2024-11-07 07:41:49,540 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 07:41:49,845 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 07:41:49,845 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-78.i [2024-11-07 07:41:49,855 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/d6bc08349/1a9f5f1de7ef455a882e689e280e27d6/FLAG501afac8c [2024-11-07 07:41:49,873 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/d6bc08349/1a9f5f1de7ef455a882e689e280e27d6 [2024-11-07 07:41:49,875 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 07:41:49,877 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 07:41:49,878 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 07:41:49,878 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 07:41:49,882 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 07:41:49,882 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:41:49" (1/1) ... [2024-11-07 07:41:49,883 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3451630e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:41:49, skipping insertion in model container [2024-11-07 07:41:49,883 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:41:49" (1/1) ... [2024-11-07 07:41:49,901 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 07:41:50,024 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-78.i[917,930] [2024-11-07 07:41:50,059 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 07:41:50,067 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 07:41:50,075 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-78.i[917,930] [2024-11-07 07:41:50,092 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 07:41:50,106 INFO L204 MainTranslator]: Completed translation [2024-11-07 07:41:50,107 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:41:50 WrapperNode [2024-11-07 07:41:50,107 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 07:41:50,108 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 07:41:50,108 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 07:41:50,108 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 07:41:50,114 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:41:50" (1/1) ... [2024-11-07 07:41:50,121 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:41:50" (1/1) ... [2024-11-07 07:41:50,144 INFO L138 Inliner]: procedures = 26, calls = 23, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 93 [2024-11-07 07:41:50,145 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 07:41:50,149 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 07:41:50,149 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 07:41:50,149 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 07:41:50,157 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:41:50" (1/1) ... [2024-11-07 07:41:50,158 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:41:50" (1/1) ... [2024-11-07 07:41:50,162 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:41:50" (1/1) ... [2024-11-07 07:41:50,181 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-07 07:41:50,181 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:41:50" (1/1) ... [2024-11-07 07:41:50,181 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:41:50" (1/1) ... [2024-11-07 07:41:50,192 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:41:50" (1/1) ... [2024-11-07 07:41:50,199 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:41:50" (1/1) ... [2024-11-07 07:41:50,201 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:41:50" (1/1) ... [2024-11-07 07:41:50,202 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:41:50" (1/1) ... [2024-11-07 07:41:50,204 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 07:41:50,211 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 07:41:50,211 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 07:41:50,211 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 07:41:50,212 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:41:50" (1/1) ... [2024-11-07 07:41:50,220 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 07:41:50,234 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 07:41:50,246 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-07 07:41:50,254 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-07 07:41:50,273 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 07:41:50,273 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 07:41:50,273 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 07:41:50,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 07:41:50,274 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 07:41:50,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 07:41:50,336 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 07:41:50,339 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 07:41:50,578 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-07 07:41:50,579 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 07:41:50,590 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 07:41:50,592 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-07 07:41:50,592 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:41:50 BoogieIcfgContainer [2024-11-07 07:41:50,592 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 07:41:50,595 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 07:41:50,595 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 07:41:50,599 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 07:41:50,600 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 07:41:49" (1/3) ... [2024-11-07 07:41:50,600 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46b8e5ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 07:41:50, skipping insertion in model container [2024-11-07 07:41:50,600 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:41:50" (2/3) ... [2024-11-07 07:41:50,601 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46b8e5ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 07:41:50, skipping insertion in model container [2024-11-07 07:41:50,601 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:41:50" (3/3) ... [2024-11-07 07:41:50,602 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-78.i [2024-11-07 07:41:50,615 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 07:41:50,615 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-07 07:41:50,676 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 07:41:50,689 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;@6efcd7a4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 07:41:50,691 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-07 07:41:50,697 INFO L276 IsEmpty]: Start isEmpty. Operand has 44 states, 31 states have (on average 1.3548387096774193) internal successors, (42), 32 states have internal predecessors, (42), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-07 07:41:50,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-07 07:41:50,707 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 07:41:50,708 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 07:41:50,708 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 07:41:50,713 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 07:41:50,715 INFO L85 PathProgramCache]: Analyzing trace with hash 796298402, now seen corresponding path program 1 times [2024-11-07 07:41:50,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 07:41:50,723 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1166107639] [2024-11-07 07:41:50,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 07:41:50,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 07:41:50,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:41:51,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 07:41:51,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:41:51,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 07:41:51,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:41:51,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 07:41:51,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:41:51,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 07:41:51,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:41:51,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 07:41:51,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:41:51,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-07 07:41:51,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:41:51,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-07 07:41:51,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:41:51,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-07 07:41:51,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:41:51,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-07 07:41:51,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:41:51,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-07 07:41:51,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:41:51,464 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-07 07:41:51,465 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 07:41:51,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1166107639] [2024-11-07 07:41:51,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1166107639] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 07:41:51,466 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 07:41:51,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 07:41:51,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477773970] [2024-11-07 07:41:51,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 07:41:51,472 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 07:41:51,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 07:41:51,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 07:41:51,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 07:41:51,494 INFO L87 Difference]: Start difference. First operand has 44 states, 31 states have (on average 1.3548387096774193) internal successors, (42), 32 states have internal predecessors, (42), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-07 07:41:51,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 07:41:51,595 INFO L93 Difference]: Finished difference Result 118 states and 194 transitions. [2024-11-07 07:41:51,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 07:41:51,597 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 72 [2024-11-07 07:41:51,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 07:41:51,607 INFO L225 Difference]: With dead ends: 118 [2024-11-07 07:41:51,608 INFO L226 Difference]: Without dead ends: 77 [2024-11-07 07:41:51,612 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-07 07:41:51,615 INFO L432 NwaCegarLoop]: 51 mSDtfsCounter, 25 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 07:41:51,617 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 146 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 07:41:51,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2024-11-07 07:41:51,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 74. [2024-11-07 07:41:51,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 51 states have (on average 1.2156862745098038) internal successors, (62), 51 states have internal predecessors, (62), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-07 07:41:51,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 102 transitions. [2024-11-07 07:41:51,674 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 102 transitions. Word has length 72 [2024-11-07 07:41:51,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 07:41:51,676 INFO L471 AbstractCegarLoop]: Abstraction has 74 states and 102 transitions. [2024-11-07 07:41:51,676 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-07 07:41:51,676 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 102 transitions. [2024-11-07 07:41:51,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-07 07:41:51,680 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 07:41:51,681 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 07:41:51,681 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 07:41:51,681 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 07:41:51,682 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 07:41:51,682 INFO L85 PathProgramCache]: Analyzing trace with hash 798145444, now seen corresponding path program 1 times [2024-11-07 07:41:51,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 07:41:51,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1818420689] [2024-11-07 07:41:51,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 07:41:51,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 07:41:51,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 07:41:51,760 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-07 07:41:51,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 07:41:51,857 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-07 07:41:51,857 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-07 07:41:51,859 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-07 07:41:51,860 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 07:41:51,863 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-07 07:41:51,904 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-07 07:41:51,907 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 07:41:51 BoogieIcfgContainer [2024-11-07 07:41:51,907 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-07 07:41:51,908 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-07 07:41:51,908 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-07 07:41:51,908 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-07 07:41:51,909 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:41:50" (3/4) ... [2024-11-07 07:41:51,911 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-07 07:41:51,912 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-07 07:41:51,913 INFO L158 Benchmark]: Toolchain (without parser) took 2036.66ms. Allocated memory is still 117.4MB. Free memory was 91.5MB in the beginning and 41.9MB in the end (delta: 49.6MB). Peak memory consumption was 46.8MB. Max. memory is 16.1GB. [2024-11-07 07:41:51,914 INFO L158 Benchmark]: CDTParser took 0.73ms. Allocated memory is still 117.4MB. Free memory is still 81.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 07:41:51,914 INFO L158 Benchmark]: CACSL2BoogieTranslator took 229.74ms. Allocated memory is still 117.4MB. Free memory was 91.3MB in the beginning and 79.0MB in the end (delta: 12.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-07 07:41:51,915 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.91ms. Allocated memory is still 117.4MB. Free memory was 79.0MB in the beginning and 77.2MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-07 07:41:51,915 INFO L158 Benchmark]: Boogie Preprocessor took 55.49ms. Allocated memory is still 117.4MB. Free memory was 77.2MB in the beginning and 75.1MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 07:41:51,915 INFO L158 Benchmark]: RCFGBuilder took 381.66ms. Allocated memory is still 117.4MB. Free memory was 75.1MB in the beginning and 62.0MB in the end (delta: 13.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-07 07:41:51,916 INFO L158 Benchmark]: TraceAbstraction took 1312.43ms. Allocated memory is still 117.4MB. Free memory was 61.3MB in the beginning and 41.9MB in the end (delta: 19.4MB). Peak memory consumption was 13.2MB. Max. memory is 16.1GB. [2024-11-07 07:41:51,916 INFO L158 Benchmark]: Witness Printer took 4.39ms. Allocated memory is still 117.4MB. Free memory was 41.9MB in the beginning and 41.9MB in the end (delta: 34.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 07:41:51,917 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.73ms. Allocated memory is still 117.4MB. Free memory is still 81.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 229.74ms. Allocated memory is still 117.4MB. Free memory was 91.3MB in the beginning and 79.0MB in the end (delta: 12.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.91ms. Allocated memory is still 117.4MB. Free memory was 79.0MB in the beginning and 77.2MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.49ms. Allocated memory is still 117.4MB. Free memory was 77.2MB in the beginning and 75.1MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 381.66ms. Allocated memory is still 117.4MB. Free memory was 75.1MB in the beginning and 62.0MB in the end (delta: 13.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1312.43ms. Allocated memory is still 117.4MB. Free memory was 61.3MB in the beginning and 41.9MB in the end (delta: 19.4MB). Peak memory consumption was 13.2MB. Max. memory is 16.1GB. * Witness Printer took 4.39ms. Allocated memory is still 117.4MB. Free memory was 41.9MB in the beginning and 41.9MB in the end (delta: 34.6kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 86, overapproximation of someBinaryArithmeticDOUBLEoperation at line 61, overapproximation of someBinaryDOUBLEComparisonOperation at line 86, overapproximation of someBinaryArithmeticFLOAToperation at line 49. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = -200; [L23] unsigned char var_1_2 = 0; [L24] unsigned char var_1_3 = 1; [L25] float var_1_9 = 100.55; [L26] float var_1_10 = 4.75; [L27] float var_1_11 = 128.75; [L28] double var_1_12 = 128.5; [L29] double var_1_13 = 0.0; [L30] double var_1_14 = 127.875; [L31] unsigned char var_1_15 = 1; [L32] unsigned char var_1_16 = 16; VAL [isInitial=0, var_1_10=19/4, var_1_11=515/4, var_1_12=257/2, var_1_13=0, var_1_14=1023/8, var_1_15=1, var_1_16=16, var_1_1=-200, var_1_2=0, var_1_3=1, var_1_9=2011/20] [L90] isInitial = 1 [L91] FCALL initially() [L92] COND TRUE 1 [L93] FCALL updateLastVariables() [L94] CALL updateVariables() [L65] var_1_2 = __VERIFIER_nondet_uchar() [L66] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=19/4, var_1_11=515/4, var_1_12=257/2, var_1_13=0, var_1_14=1023/8, var_1_15=1, var_1_16=16, var_1_1=-200, var_1_3=1, var_1_9=2011/20] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=19/4, var_1_11=515/4, var_1_12=257/2, var_1_13=0, var_1_14=1023/8, var_1_15=1, var_1_16=16, var_1_1=-200, var_1_3=1, var_1_9=2011/20] [L66] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=19/4, var_1_11=515/4, var_1_12=257/2, var_1_13=0, var_1_14=1023/8, var_1_15=1, var_1_16=16, var_1_1=-200, var_1_3=1, var_1_9=2011/20] [L67] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=19/4, var_1_11=515/4, var_1_12=257/2, var_1_13=0, var_1_14=1023/8, var_1_15=1, var_1_16=16, var_1_1=-200, var_1_2=1, var_1_3=1, var_1_9=2011/20] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=19/4, var_1_11=515/4, var_1_12=257/2, var_1_13=0, var_1_14=1023/8, var_1_15=1, var_1_16=16, var_1_1=-200, var_1_2=1, var_1_3=1, var_1_9=2011/20] [L67] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, var_1_10=19/4, var_1_11=515/4, var_1_12=257/2, var_1_13=0, var_1_14=1023/8, var_1_15=1, var_1_16=16, var_1_1=-200, var_1_2=1, var_1_3=1, var_1_9=2011/20] [L68] var_1_3 = __VERIFIER_nondet_uchar() [L69] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=19/4, var_1_11=515/4, var_1_12=257/2, var_1_13=0, var_1_14=1023/8, var_1_15=1, var_1_16=16, var_1_1=-200, var_1_2=1, var_1_9=2011/20] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=19/4, var_1_11=515/4, var_1_12=257/2, var_1_13=0, var_1_14=1023/8, var_1_15=1, var_1_16=16, var_1_1=-200, var_1_2=1, var_1_9=2011/20] [L69] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_10=19/4, var_1_11=515/4, var_1_12=257/2, var_1_13=0, var_1_14=1023/8, var_1_15=1, var_1_16=16, var_1_1=-200, var_1_2=1, var_1_9=2011/20] [L70] CALL assume_abort_if_not(var_1_3 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=19/4, var_1_11=515/4, var_1_12=257/2, var_1_13=0, var_1_14=1023/8, var_1_15=1, var_1_16=16, var_1_1=-200, var_1_2=1, var_1_3=-256, var_1_9=2011/20] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=19/4, var_1_11=515/4, var_1_12=257/2, var_1_13=0, var_1_14=1023/8, var_1_15=1, var_1_16=16, var_1_1=-200, var_1_2=1, var_1_3=-256, var_1_9=2011/20] [L70] RET assume_abort_if_not(var_1_3 <= 1) VAL [isInitial=1, var_1_10=19/4, var_1_11=515/4, var_1_12=257/2, var_1_13=0, var_1_14=1023/8, var_1_15=1, var_1_16=16, var_1_1=-200, var_1_2=1, var_1_3=-256, var_1_9=2011/20] [L71] var_1_10 = __VERIFIER_nondet_float() [L72] CALL assume_abort_if_not((var_1_10 >= 0.0F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_11=515/4, var_1_12=257/2, var_1_13=0, var_1_14=1023/8, var_1_15=1, var_1_16=16, var_1_1=-200, var_1_2=1, var_1_3=-256, var_1_9=2011/20] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=515/4, var_1_12=257/2, var_1_13=0, var_1_14=1023/8, var_1_15=1, var_1_16=16, var_1_1=-200, var_1_2=1, var_1_3=-256, var_1_9=2011/20] [L72] RET assume_abort_if_not((var_1_10 >= 0.0F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, var_1_11=515/4, var_1_12=257/2, var_1_13=0, var_1_14=1023/8, var_1_15=1, var_1_16=16, var_1_1=-200, var_1_2=1, var_1_3=-256, var_1_9=2011/20] [L73] var_1_11 = __VERIFIER_nondet_float() [L74] CALL assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_12=257/2, var_1_13=0, var_1_14=1023/8, var_1_15=1, var_1_16=16, var_1_1=-200, var_1_2=1, var_1_3=-256, var_1_9=2011/20] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_12=257/2, var_1_13=0, var_1_14=1023/8, var_1_15=1, var_1_16=16, var_1_1=-200, var_1_2=1, var_1_3=-256, var_1_9=2011/20] [L74] RET assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, var_1_12=257/2, var_1_13=0, var_1_14=1023/8, var_1_15=1, var_1_16=16, var_1_1=-200, var_1_2=1, var_1_3=-256, var_1_9=2011/20] [L75] var_1_13 = __VERIFIER_nondet_double() [L76] CALL assume_abort_if_not((var_1_13 >= 4611686.018427382800e+12F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_12=257/2, var_1_14=1023/8, var_1_15=1, var_1_16=16, var_1_1=-200, var_1_2=1, var_1_3=-256, var_1_9=2011/20] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_12=257/2, var_1_14=1023/8, var_1_15=1, var_1_16=16, var_1_1=-200, var_1_2=1, var_1_3=-256, var_1_9=2011/20] [L76] RET assume_abort_if_not((var_1_13 >= 4611686.018427382800e+12F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, var_1_12=257/2, var_1_14=1023/8, var_1_15=1, var_1_16=16, var_1_1=-200, var_1_2=1, var_1_3=-256, var_1_9=2011/20] [L77] var_1_14 = __VERIFIER_nondet_double() [L78] CALL assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427382800e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_12=257/2, var_1_15=1, var_1_16=16, var_1_1=-200, var_1_2=1, var_1_3=-256, var_1_9=2011/20] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_12=257/2, var_1_15=1, var_1_16=16, var_1_1=-200, var_1_2=1, var_1_3=-256, var_1_9=2011/20] [L78] RET assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427382800e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, var_1_12=257/2, var_1_15=1, var_1_16=16, var_1_1=-200, var_1_2=1, var_1_3=-256, var_1_9=2011/20] [L79] var_1_16 = __VERIFIER_nondet_uchar() [L80] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_12=257/2, var_1_15=1, var_1_1=-200, var_1_2=1, var_1_3=-256, var_1_9=2011/20] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_12=257/2, var_1_15=1, var_1_1=-200, var_1_2=1, var_1_3=-256, var_1_9=2011/20] [L80] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, var_1_12=257/2, var_1_15=1, var_1_1=-200, var_1_2=1, var_1_3=-256, var_1_9=2011/20] [L81] CALL assume_abort_if_not(var_1_16 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_12=257/2, var_1_15=1, var_1_16=0, var_1_1=-200, var_1_2=1, var_1_3=-256, var_1_9=2011/20] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_12=257/2, var_1_15=1, var_1_16=0, var_1_1=-200, var_1_2=1, var_1_3=-256, var_1_9=2011/20] [L81] RET assume_abort_if_not(var_1_16 <= 254) VAL [isInitial=1, var_1_12=257/2, var_1_15=1, var_1_16=0, var_1_1=-200, var_1_2=1, var_1_3=-256, var_1_9=2011/20] [L94] RET updateVariables() [L95] CALL step() [L36] COND TRUE 0.8f > (- var_1_10) [L37] var_1_15 = var_1_16 VAL [isInitial=1, var_1_12=257/2, var_1_15=0, var_1_16=0, var_1_1=-200, var_1_2=1, var_1_3=-256, var_1_9=2011/20] [L39] unsigned char stepLocal_1 = var_1_15 > var_1_15; [L40] unsigned char stepLocal_0 = var_1_3; VAL [isInitial=1, stepLocal_0=-256, stepLocal_1=0, var_1_12=257/2, var_1_15=0, var_1_16=0, var_1_1=-200, var_1_2=1, var_1_3=-256, var_1_9=2011/20] [L41] COND FALSE !(var_1_2 && stepLocal_0) VAL [isInitial=1, stepLocal_1=0, var_1_12=257/2, var_1_15=0, var_1_16=0, var_1_1=-200, var_1_2=1, var_1_3=-256, var_1_9=2011/20] [L48] COND TRUE \read(var_1_2) [L49] var_1_9 = (var_1_10 - var_1_11) VAL [isInitial=1, stepLocal_1=0, var_1_12=257/2, var_1_15=0, var_1_16=0, var_1_1=-200, var_1_2=1, var_1_3=-256] [L57] signed long int stepLocal_2 = var_1_1; VAL [isInitial=1, stepLocal_1=0, stepLocal_2=-200, var_1_12=257/2, var_1_15=0, var_1_16=0, var_1_1=-200, var_1_2=1, var_1_3=-256] [L58] COND FALSE !(stepLocal_2 <= ((((8u) < 0 ) ? -(8u) : (8u)))) [L61] var_1_12 = ((var_1_13 - var_1_14) - var_1_11) VAL [isInitial=1, stepLocal_1=0, var_1_15=0, var_1_16=0, var_1_1=-200, var_1_2=1, var_1_3=-256] [L95] RET step() [L96] CALL, EXPR property() [L86-L87] return ((((var_1_2 && var_1_3) ? ((var_1_2 && (var_1_15 > var_1_15)) ? (var_1_1 == ((signed long int) (var_1_15 - var_1_15))) : (var_1_1 == ((signed long int) ((var_1_15 + 5) - var_1_15)))) : 1) && (var_1_2 ? (var_1_9 == ((float) (var_1_10 - var_1_11))) : ((var_1_1 < var_1_15) ? (var_1_9 == ((float) ((((var_1_11) > (var_1_10)) ? (var_1_11) : (var_1_10))))) : (var_1_9 == ((float) var_1_10))))) && ((var_1_1 <= ((((8u) < 0 ) ? -(8u) : (8u)))) ? (var_1_12 == ((double) (var_1_10 - 99.5))) : (var_1_12 == ((double) ((var_1_13 - var_1_14) - var_1_11))))) && ((0.8f > (- var_1_10)) ? (var_1_15 == ((unsigned char) var_1_16)) : 1) ; VAL [\result=0, isInitial=1, var_1_15=0, var_1_16=0, var_1_1=-200, var_1_2=1, var_1_3=-256] [L96] RET, EXPR property() [L96] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_15=0, var_1_16=0, var_1_1=-200, var_1_2=1, var_1_3=-256] [L19] reach_error() VAL [isInitial=1, var_1_15=0, var_1_16=0, var_1_1=-200, var_1_2=1, var_1_3=-256] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 44 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 2, TraceHistogramMax: 10, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 25 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 25 mSDsluCounter, 146 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 95 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 16 IncrementalHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 51 mSDtfsCounter, 16 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 24 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=74occurred in iteration=1, InterpolantAutomatonStates: 4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 144 NumberOfCodeBlocks, 144 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 71 ConstructedInterpolants, 0 QuantifiedInterpolants, 187 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 180/180 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-07 07:41:51,944 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally 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-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-78.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 e9378820110475a355542652e61313eeb7cbd1a9ed890c41ec6fcefb7d91c4d3 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 07:41:54,165 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 07:41:54,261 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-07 07:41:54,268 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 07:41:54,269 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 07:41:54,290 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 07:41:54,291 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 07:41:54,291 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 07:41:54,291 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 07:41:54,291 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 07:41:54,291 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 07:41:54,291 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 07:41:54,292 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 07:41:54,292 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 07:41:54,292 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 07:41:54,292 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 07:41:54,292 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 07:41:54,292 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 07:41:54,292 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 07:41:54,292 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 07:41:54,292 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 07:41:54,292 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 07:41:54,292 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 07:41:54,292 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-07 07:41:54,293 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-07 07:41:54,293 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 07:41:54,293 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-07 07:41:54,293 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 07:41:54,293 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 07:41:54,293 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 07:41:54,295 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 07:41:54,295 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 07:41:54,295 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 07:41:54,295 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 07:41:54,296 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 07:41:54,296 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 07:41:54,296 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 07:41:54,296 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 07:41:54,296 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-07 07:41:54,296 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-07 07:41:54,296 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 07:41:54,296 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 07:41:54,296 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 07:41:54,296 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 07:41:54,296 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-jdk21/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 -> e9378820110475a355542652e61313eeb7cbd1a9ed890c41ec6fcefb7d91c4d3 [2024-11-07 07:41:54,573 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 07:41:54,582 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 07:41:54,586 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 07:41:54,587 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 07:41:54,587 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 07:41:54,588 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-78.i [2024-11-07 07:41:55,952 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 07:41:56,199 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 07:41:56,201 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-78.i [2024-11-07 07:41:56,210 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/052027922/cd2f2068d25045668025b35d766cbbe2/FLAG435c6fdd2 [2024-11-07 07:41:56,228 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/052027922/cd2f2068d25045668025b35d766cbbe2 [2024-11-07 07:41:56,231 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 07:41:56,234 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 07:41:56,236 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 07:41:56,236 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 07:41:56,239 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 07:41:56,240 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:41:56" (1/1) ... [2024-11-07 07:41:56,243 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f53a1a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:41:56, skipping insertion in model container [2024-11-07 07:41:56,243 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:41:56" (1/1) ... [2024-11-07 07:41:56,262 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 07:41:56,402 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-78.i[917,930] [2024-11-07 07:41:56,452 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 07:41:56,470 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 07:41:56,482 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-78.i[917,930] [2024-11-07 07:41:56,506 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 07:41:56,528 INFO L204 MainTranslator]: Completed translation [2024-11-07 07:41:56,529 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:41:56 WrapperNode [2024-11-07 07:41:56,529 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 07:41:56,531 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 07:41:56,531 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 07:41:56,531 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 07:41:56,540 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:41:56" (1/1) ... [2024-11-07 07:41:56,553 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:41:56" (1/1) ... [2024-11-07 07:41:56,576 INFO L138 Inliner]: procedures = 27, calls = 23, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 93 [2024-11-07 07:41:56,576 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 07:41:56,577 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 07:41:56,577 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 07:41:56,577 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 07:41:56,585 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:41:56" (1/1) ... [2024-11-07 07:41:56,586 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:41:56" (1/1) ... [2024-11-07 07:41:56,591 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:41:56" (1/1) ... [2024-11-07 07:41:56,605 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-07 07:41:56,605 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:41:56" (1/1) ... [2024-11-07 07:41:56,605 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:41:56" (1/1) ... [2024-11-07 07:41:56,614 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:41:56" (1/1) ... [2024-11-07 07:41:56,618 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:41:56" (1/1) ... [2024-11-07 07:41:56,623 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:41:56" (1/1) ... [2024-11-07 07:41:56,624 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:41:56" (1/1) ... [2024-11-07 07:41:56,630 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 07:41:56,631 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 07:41:56,631 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 07:41:56,631 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 07:41:56,632 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:41:56" (1/1) ... [2024-11-07 07:41:56,640 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 07:41:56,653 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 07:41:56,669 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-07 07:41:56,671 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-07 07:41:56,693 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 07:41:56,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-07 07:41:56,694 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 07:41:56,694 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 07:41:56,694 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 07:41:56,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 07:41:56,757 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 07:41:56,759 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 07:42:02,729 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-07 07:42:02,729 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 07:42:02,739 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 07:42:02,739 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-07 07:42:02,739 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:42:02 BoogieIcfgContainer [2024-11-07 07:42:02,739 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 07:42:02,742 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 07:42:02,742 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 07:42:02,747 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 07:42:02,747 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 07:41:56" (1/3) ... [2024-11-07 07:42:02,748 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6480da7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 07:42:02, skipping insertion in model container [2024-11-07 07:42:02,748 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:41:56" (2/3) ... [2024-11-07 07:42:02,748 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6480da7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 07:42:02, skipping insertion in model container [2024-11-07 07:42:02,748 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:42:02" (3/3) ... [2024-11-07 07:42:02,749 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-78.i [2024-11-07 07:42:02,765 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 07:42:02,766 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-07 07:42:02,827 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 07:42:02,840 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;@1d32d669, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 07:42:02,841 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-07 07:42:02,846 INFO L276 IsEmpty]: Start isEmpty. Operand has 44 states, 31 states have (on average 1.3548387096774193) internal successors, (42), 32 states have internal predecessors, (42), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-07 07:42:02,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-07 07:42:02,855 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 07:42:02,856 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 07:42:02,857 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 07:42:02,861 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 07:42:02,862 INFO L85 PathProgramCache]: Analyzing trace with hash 796298402, now seen corresponding path program 1 times [2024-11-07 07:42:02,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 07:42:02,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1581459394] [2024-11-07 07:42:02,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 07:42:02,876 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-07 07:42:02,879 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 07:42:02,882 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/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) [2024-11-07 07:42:02,909 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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 [2024-11-07 07:42:03,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:42:03,318 INFO L255 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-07 07:42:03,326 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 07:42:04,070 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-07 07:42:04,070 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 07:42:04,070 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-07 07:42:04,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1581459394] [2024-11-07 07:42:04,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1581459394] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 07:42:04,071 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 07:42:04,073 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 07:42:04,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1918119407] [2024-11-07 07:42:04,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 07:42:04,079 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 07:42:04,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-07 07:42:04,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 07:42:04,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 07:42:04,100 INFO L87 Difference]: Start difference. First operand has 44 states, 31 states have (on average 1.3548387096774193) internal successors, (42), 32 states have internal predecessors, (42), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-07 07:42:05,981 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-07 07:42:10,183 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-07 07:42:12,077 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-07 07:42:14,169 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-07 07:42:14,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 07:42:14,177 INFO L93 Difference]: Finished difference Result 118 states and 194 transitions. [2024-11-07 07:42:14,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 07:42:14,215 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 72 [2024-11-07 07:42:14,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 07:42:14,221 INFO L225 Difference]: With dead ends: 118 [2024-11-07 07:42:14,221 INFO L226 Difference]: Without dead ends: 77 [2024-11-07 07:42:14,225 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-07 07:42:14,228 INFO L432 NwaCegarLoop]: 51 mSDtfsCounter, 12 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.0s IncrementalHoareTripleChecker+Time [2024-11-07 07:42:14,229 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 146 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 1 Unknown, 0 Unchecked, 10.0s Time] [2024-11-07 07:42:14,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2024-11-07 07:42:14,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 74. [2024-11-07 07:42:14,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 51 states have (on average 1.2156862745098038) internal successors, (62), 51 states have internal predecessors, (62), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-07 07:42:14,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 102 transitions. [2024-11-07 07:42:14,300 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 102 transitions. Word has length 72 [2024-11-07 07:42:14,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 07:42:14,302 INFO L471 AbstractCegarLoop]: Abstraction has 74 states and 102 transitions. [2024-11-07 07:42:14,302 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-07 07:42:14,303 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 102 transitions. [2024-11-07 07:42:14,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-07 07:42:14,308 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 07:42:14,308 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 07:42:14,326 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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 [2024-11-07 07:42:14,509 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/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 [2024-11-07 07:42:14,510 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 07:42:14,511 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 07:42:14,511 INFO L85 PathProgramCache]: Analyzing trace with hash 798145444, now seen corresponding path program 1 times [2024-11-07 07:42:14,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 07:42:14,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [912423609] [2024-11-07 07:42:14,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 07:42:14,513 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-07 07:42:14,513 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 07:42:14,516 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/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) [2024-11-07 07:42:14,521 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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 [2024-11-07 07:42:14,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:42:15,007 INFO L255 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-07 07:42:15,017 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 07:42:52,439 WARN L286 SmtUtils]: Spent 5.30s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)