./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-63.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-63.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', 'e232e31d2ef49a20919d421300baab40e8d32863fd290aed1658ebcf167ecf0c'] 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-63.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 e232e31d2ef49a20919d421300baab40e8d32863fd290aed1658ebcf167ecf0c --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 07:40:00,843 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 07:40:00,918 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-07 07:40:00,923 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 07:40:00,923 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 07:40:00,955 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 07:40:00,956 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 07:40:00,956 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 07:40:00,956 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 07:40:00,956 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 07:40:00,956 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 07:40:00,957 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 07:40:00,957 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 07:40:00,957 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 07:40:00,957 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 07:40:00,957 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 07:40:00,958 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 07:40:00,958 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 07:40:00,958 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 07:40:00,958 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 07:40:00,958 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 07:40:00,958 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 07:40:00,958 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 07:40:00,958 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 07:40:00,959 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 07:40:00,959 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 07:40:00,959 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 07:40:00,959 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 07:40:00,959 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 07:40:00,959 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 07:40:00,959 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 07:40:00,959 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 07:40:00,960 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 07:40:00,960 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 07:40:00,960 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 07:40:00,960 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 07:40:00,960 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 07:40:00,960 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 07:40:00,960 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 07:40:00,960 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 07:40:00,961 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 07:40:00,961 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 07:40:00,961 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 -> e232e31d2ef49a20919d421300baab40e8d32863fd290aed1658ebcf167ecf0c [2024-11-07 07:40:01,244 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 07:40:01,250 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 07:40:01,252 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 07:40:01,252 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 07:40:01,253 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 07:40:01,255 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-63.i [2024-11-07 07:40:02,558 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 07:40:02,797 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 07:40:02,798 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-63.i [2024-11-07 07:40:02,809 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/599586540/f82ea1b717be4b6b8c5491ebb9a98686/FLAG47df565c1 [2024-11-07 07:40:02,831 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/599586540/f82ea1b717be4b6b8c5491ebb9a98686 [2024-11-07 07:40:02,834 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 07:40:02,837 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 07:40:02,840 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 07:40:02,840 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 07:40:02,844 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 07:40:02,845 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:40:02" (1/1) ... [2024-11-07 07:40:02,846 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1910a195 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:40:02, skipping insertion in model container [2024-11-07 07:40:02,846 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:40:02" (1/1) ... [2024-11-07 07:40:02,867 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 07:40:03,007 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-63.i[917,930] [2024-11-07 07:40:03,067 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 07:40:03,082 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 07:40:03,092 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-63.i[917,930] [2024-11-07 07:40:03,120 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 07:40:03,140 INFO L204 MainTranslator]: Completed translation [2024-11-07 07:40:03,141 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:40:03 WrapperNode [2024-11-07 07:40:03,141 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 07:40:03,143 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 07:40:03,143 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 07:40:03,143 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 07:40:03,148 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:40:03" (1/1) ... [2024-11-07 07:40:03,156 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:40:03" (1/1) ... [2024-11-07 07:40:03,192 INFO L138 Inliner]: procedures = 26, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 122 [2024-11-07 07:40:03,193 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 07:40:03,194 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 07:40:03,194 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 07:40:03,194 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 07:40:03,204 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:40:03" (1/1) ... [2024-11-07 07:40:03,204 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:40:03" (1/1) ... [2024-11-07 07:40:03,207 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:40:03" (1/1) ... [2024-11-07 07:40:03,218 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 07:40:03,218 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:40:03" (1/1) ... [2024-11-07 07:40:03,218 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:40:03" (1/1) ... [2024-11-07 07:40:03,223 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:40:03" (1/1) ... [2024-11-07 07:40:03,227 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:40:03" (1/1) ... [2024-11-07 07:40:03,229 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:40:03" (1/1) ... [2024-11-07 07:40:03,233 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:40:03" (1/1) ... [2024-11-07 07:40:03,235 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 07:40:03,236 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 07:40:03,236 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 07:40:03,236 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 07:40:03,239 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:40:03" (1/1) ... [2024-11-07 07:40:03,247 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 07:40:03,260 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 07:40:03,274 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 07:40:03,281 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 07:40:03,301 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 07:40:03,302 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 07:40:03,303 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 07:40:03,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 07:40:03,303 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 07:40:03,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 07:40:03,391 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 07:40:03,392 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 07:40:03,679 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-07 07:40:03,680 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 07:40:03,692 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 07:40:03,694 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-07 07:40:03,694 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:40:03 BoogieIcfgContainer [2024-11-07 07:40:03,694 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 07:40:03,697 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 07:40:03,697 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 07:40:03,702 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 07:40:03,702 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 07:40:02" (1/3) ... [2024-11-07 07:40:03,703 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c6a7ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 07:40:03, skipping insertion in model container [2024-11-07 07:40:03,703 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:40:03" (2/3) ... [2024-11-07 07:40:03,704 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c6a7ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 07:40:03, skipping insertion in model container [2024-11-07 07:40:03,704 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:40:03" (3/3) ... [2024-11-07 07:40:03,706 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-63.i [2024-11-07 07:40:03,721 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 07:40:03,721 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-07 07:40:03,792 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 07:40:03,806 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;@3e86890f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 07:40:03,807 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-07 07:40:03,813 INFO L276 IsEmpty]: Start isEmpty. Operand has 52 states, 31 states have (on average 1.2580645161290323) internal successors, (39), 32 states have internal predecessors, (39), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-07 07:40:03,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-07 07:40:03,851 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 07:40:03,852 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 07:40:03,852 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 07:40:03,857 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 07:40:03,859 INFO L85 PathProgramCache]: Analyzing trace with hash 1773879400, now seen corresponding path program 1 times [2024-11-07 07:40:03,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 07:40:03,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1562623784] [2024-11-07 07:40:03,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 07:40:03,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 07:40:04,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:40:04,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 07:40:04,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:40:04,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 07:40:04,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:40:04,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 07:40:04,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:40:04,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 07:40:04,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:40:04,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-07 07:40:04,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:40:04,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-07 07:40:04,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:40:04,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-07 07:40:04,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:40:04,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-07 07:40:04,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:40:04,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-07 07:40:04,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:40:04,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-07 07:40:04,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:40:04,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-07 07:40:04,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:40:04,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-07 07:40:04,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:40:04,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-07 07:40:04,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:40:04,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-07 07:40:04,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:40:04,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-07 07:40:04,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:40:04,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 07:40:04,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:40:04,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 07:40:04,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:40:04,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-07 07:40:04,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:40:04,349 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-07 07:40:04,349 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 07:40:04,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1562623784] [2024-11-07 07:40:04,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1562623784] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 07:40:04,352 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 07:40:04,353 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 07:40:04,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245327317] [2024-11-07 07:40:04,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 07:40:04,358 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-07 07:40:04,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 07:40:04,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-07 07:40:04,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-07 07:40:04,380 INFO L87 Difference]: Start difference. First operand has 52 states, 31 states have (on average 1.2580645161290323) internal successors, (39), 32 states have internal predecessors, (39), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-07 07:40:04,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 07:40:04,406 INFO L93 Difference]: Finished difference Result 97 states and 162 transitions. [2024-11-07 07:40:04,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-07 07:40:04,408 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) Word has length 114 [2024-11-07 07:40:04,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 07:40:04,415 INFO L225 Difference]: With dead ends: 97 [2024-11-07 07:40:04,416 INFO L226 Difference]: Without dead ends: 48 [2024-11-07 07:40:04,420 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-07 07:40:04,423 INFO L432 NwaCegarLoop]: 68 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, 68 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 07:40:04,424 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 07:40:04,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2024-11-07 07:40:04,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2024-11-07 07:40:04,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 28 states have (on average 1.1428571428571428) internal successors, (32), 28 states have internal predecessors, (32), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-07 07:40:04,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 68 transitions. [2024-11-07 07:40:04,466 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 68 transitions. Word has length 114 [2024-11-07 07:40:04,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 07:40:04,467 INFO L471 AbstractCegarLoop]: Abstraction has 48 states and 68 transitions. [2024-11-07 07:40:04,467 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-07 07:40:04,467 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 68 transitions. [2024-11-07 07:40:04,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-07 07:40:04,473 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 07:40:04,473 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 07:40:04,474 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 07:40:04,474 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 07:40:04,475 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 07:40:04,476 INFO L85 PathProgramCache]: Analyzing trace with hash -3676308, now seen corresponding path program 1 times [2024-11-07 07:40:04,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 07:40:04,476 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1345027209] [2024-11-07 07:40:04,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 07:40:04,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 07:40:04,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:40:05,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 07:40:05,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:40:05,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 07:40:05,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:40:05,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 07:40:05,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:40:05,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 07:40:05,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:40:05,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-07 07:40:05,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:40:05,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-07 07:40:05,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:40:05,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-07 07:40:05,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:40:05,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-07 07:40:05,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:40:05,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-07 07:40:05,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:40:05,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-07 07:40:05,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:40:05,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-07 07:40:05,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:40:05,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-07 07:40:05,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:40:05,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-07 07:40:05,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:40:05,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-07 07:40:05,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:40:05,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-07 07:40:05,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:40:05,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 07:40:05,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:40:05,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 07:40:05,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:40:05,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-07 07:40:05,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:40:05,250 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-07 07:40:05,252 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 07:40:05,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1345027209] [2024-11-07 07:40:05,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1345027209] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 07:40:05,252 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 07:40:05,253 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-07 07:40:05,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [287208638] [2024-11-07 07:40:05,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 07:40:05,254 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 07:40:05,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 07:40:05,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 07:40:05,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-07 07:40:05,257 INFO L87 Difference]: Start difference. First operand 48 states and 68 transitions. Second operand has 7 states, 7 states have (on average 3.857142857142857) internal successors, (27), 7 states have internal predecessors, (27), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-07 07:40:05,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 07:40:05,559 INFO L93 Difference]: Finished difference Result 97 states and 136 transitions. [2024-11-07 07:40:05,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 07:40:05,560 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.857142857142857) internal successors, (27), 7 states have internal predecessors, (27), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 114 [2024-11-07 07:40:05,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 07:40:05,564 INFO L225 Difference]: With dead ends: 97 [2024-11-07 07:40:05,564 INFO L226 Difference]: Without dead ends: 52 [2024-11-07 07:40:05,566 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-11-07 07:40:05,567 INFO L432 NwaCegarLoop]: 61 mSDtfsCounter, 95 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 114 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 96 SdHoareTripleChecker+Invalid, 183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 114 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 07:40:05,568 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 96 Invalid, 183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [114 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 07:40:05,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2024-11-07 07:40:05,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2024-11-07 07:40:05,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 31 states have (on average 1.096774193548387) internal successors, (34), 31 states have internal predecessors, (34), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-07 07:40:05,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 70 transitions. [2024-11-07 07:40:05,599 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 70 transitions. Word has length 114 [2024-11-07 07:40:05,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 07:40:05,599 INFO L471 AbstractCegarLoop]: Abstraction has 52 states and 70 transitions. [2024-11-07 07:40:05,600 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.857142857142857) internal successors, (27), 7 states have internal predecessors, (27), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-07 07:40:05,600 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 70 transitions. [2024-11-07 07:40:05,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-07 07:40:05,601 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 07:40:05,601 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 07:40:05,604 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 07:40:05,605 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 07:40:05,605 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 07:40:05,605 INFO L85 PathProgramCache]: Analyzing trace with hash 53581994, now seen corresponding path program 1 times [2024-11-07 07:40:05,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 07:40:05,605 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1624227874] [2024-11-07 07:40:05,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 07:40:05,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 07:40:05,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 07:40:05,710 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-07 07:40:05,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 07:40:05,853 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-07 07:40:05,854 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-07 07:40:05,855 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-07 07:40:05,856 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-07 07:40:05,860 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-07 07:40:05,953 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-07 07:40:05,956 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 07:40:05 BoogieIcfgContainer [2024-11-07 07:40:05,957 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-07 07:40:05,957 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-07 07:40:05,957 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-07 07:40:05,958 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-07 07:40:05,959 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:40:03" (3/4) ... [2024-11-07 07:40:05,961 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-07 07:40:05,961 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-07 07:40:05,962 INFO L158 Benchmark]: Toolchain (without parser) took 3125.11ms. Allocated memory is still 100.7MB. Free memory was 76.3MB in the beginning and 24.8MB in the end (delta: 51.4MB). Peak memory consumption was 47.0MB. Max. memory is 16.1GB. [2024-11-07 07:40:05,963 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 83.9MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 07:40:05,963 INFO L158 Benchmark]: CACSL2BoogieTranslator took 302.08ms. Allocated memory is still 100.7MB. Free memory was 76.1MB in the beginning and 63.1MB in the end (delta: 13.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-07 07:40:05,963 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.77ms. Allocated memory is still 100.7MB. Free memory was 63.1MB in the beginning and 61.1MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-07 07:40:05,964 INFO L158 Benchmark]: Boogie Preprocessor took 40.66ms. Allocated memory is still 100.7MB. Free memory was 61.1MB in the beginning and 58.9MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 07:40:05,964 INFO L158 Benchmark]: RCFGBuilder took 458.84ms. Allocated memory is still 100.7MB. Free memory was 58.9MB in the beginning and 44.6MB in the end (delta: 14.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-07 07:40:05,965 INFO L158 Benchmark]: TraceAbstraction took 2259.45ms. Allocated memory is still 100.7MB. Free memory was 43.9MB in the beginning and 25.6MB in the end (delta: 18.3MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. [2024-11-07 07:40:05,965 INFO L158 Benchmark]: Witness Printer took 4.08ms. Allocated memory is still 100.7MB. Free memory was 25.6MB in the beginning and 24.8MB in the end (delta: 819.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 07:40:05,967 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 83.9MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 302.08ms. Allocated memory is still 100.7MB. Free memory was 76.1MB in the beginning and 63.1MB in the end (delta: 13.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.77ms. Allocated memory is still 100.7MB. Free memory was 63.1MB in the beginning and 61.1MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.66ms. Allocated memory is still 100.7MB. Free memory was 61.1MB in the beginning and 58.9MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 458.84ms. Allocated memory is still 100.7MB. Free memory was 58.9MB in the beginning and 44.6MB in the end (delta: 14.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2259.45ms. Allocated memory is still 100.7MB. Free memory was 43.9MB in the beginning and 25.6MB in the end (delta: 18.3MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. * Witness Printer took 4.08ms. Allocated memory is still 100.7MB. Free memory was 25.6MB in the beginning and 24.8MB in the end (delta: 819.7kB). 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 96. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 0; [L23] float var_1_2 = 8.3; [L24] float var_1_3 = 2.25; [L25] float var_1_4 = 10.3; [L26] unsigned char var_1_6 = 0; [L27] signed long int var_1_7 = 128; [L28] float var_1_8 = 9.8; [L29] unsigned long int var_1_13 = 1; [L30] unsigned long int var_1_14 = 32; [L31] signed char var_1_15 = -10; [L32] signed char var_1_16 = 16; [L33] signed char var_1_17 = 25; [L34] signed char var_1_18 = 1; [L35] signed char var_1_19 = 0; [L36] signed char var_1_20 = 32; [L37] signed short int var_1_21 = 256; [L38] signed char var_1_22 = 16; [L39] unsigned char var_1_23 = 0; [L40] signed short int last_1_var_1_21 = 256; VAL [isInitial=0, last_1_var_1_21=256, var_1_13=1, var_1_14=32, var_1_15=-10, var_1_16=16, var_1_17=25, var_1_18=1, var_1_19=0, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_2=83/10, var_1_3=9/4, var_1_4=103/10, var_1_6=0, var_1_7=128, var_1_8=49/5] [L100] isInitial = 1 [L101] FCALL initially() [L102] COND TRUE 1 [L103] CALL updateLastVariables() [L93] last_1_var_1_21 = var_1_21 VAL [isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=32, var_1_15=-10, var_1_16=16, var_1_17=25, var_1_18=1, var_1_19=0, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_2=83/10, var_1_3=9/4, var_1_4=103/10, var_1_6=0, var_1_7=128, var_1_8=49/5] [L103] RET updateLastVariables() [L104] CALL updateVariables() [L62] var_1_2 = __VERIFIER_nondet_float() [L63] CALL assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=32, var_1_15=-10, var_1_16=16, var_1_17=25, var_1_18=1, var_1_19=0, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_3=9/4, var_1_4=103/10, var_1_6=0, var_1_7=128, var_1_8=49/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=32, var_1_15=-10, var_1_16=16, var_1_17=25, var_1_18=1, var_1_19=0, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_3=9/4, var_1_4=103/10, var_1_6=0, var_1_7=128, var_1_8=49/5] [L63] RET assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=32, var_1_15=-10, var_1_16=16, var_1_17=25, var_1_18=1, var_1_19=0, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_3=9/4, var_1_4=103/10, var_1_6=0, var_1_7=128, var_1_8=49/5] [L64] var_1_3 = __VERIFIER_nondet_float() [L65] CALL assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=32, var_1_15=-10, var_1_16=16, var_1_17=25, var_1_18=1, var_1_19=0, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_4=103/10, var_1_6=0, var_1_7=128, var_1_8=49/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=32, var_1_15=-10, var_1_16=16, var_1_17=25, var_1_18=1, var_1_19=0, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_4=103/10, var_1_6=0, var_1_7=128, var_1_8=49/5] [L65] RET assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=32, var_1_15=-10, var_1_16=16, var_1_17=25, var_1_18=1, var_1_19=0, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_4=103/10, var_1_6=0, var_1_7=128, var_1_8=49/5] [L66] var_1_4 = __VERIFIER_nondet_float() [L67] CALL assume_abort_if_not((var_1_4 >= -922337.2036854776000e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=32, var_1_15=-10, var_1_16=16, var_1_17=25, var_1_18=1, var_1_19=0, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_6=0, var_1_7=128, var_1_8=49/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=32, var_1_15=-10, var_1_16=16, var_1_17=25, var_1_18=1, var_1_19=0, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_6=0, var_1_7=128, var_1_8=49/5] [L67] RET assume_abort_if_not((var_1_4 >= -922337.2036854776000e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=32, var_1_15=-10, var_1_16=16, var_1_17=25, var_1_18=1, var_1_19=0, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_6=0, var_1_7=128, var_1_8=49/5] [L68] var_1_6 = __VERIFIER_nondet_uchar() [L69] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=32, var_1_15=-10, var_1_16=16, var_1_17=25, var_1_18=1, var_1_19=0, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_7=128, var_1_8=49/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=32, var_1_15=-10, var_1_16=16, var_1_17=25, var_1_18=1, var_1_19=0, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_7=128, var_1_8=49/5] [L69] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=32, var_1_15=-10, var_1_16=16, var_1_17=25, var_1_18=1, var_1_19=0, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_7=128, var_1_8=49/5] [L70] CALL assume_abort_if_not(var_1_6 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=32, var_1_15=-10, var_1_16=16, var_1_17=25, var_1_18=1, var_1_19=0, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_6=-256, var_1_7=128, var_1_8=49/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=32, var_1_15=-10, var_1_16=16, var_1_17=25, var_1_18=1, var_1_19=0, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_6=-256, var_1_7=128, var_1_8=49/5] [L70] RET assume_abort_if_not(var_1_6 <= 0) VAL [isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=32, var_1_15=-10, var_1_16=16, var_1_17=25, var_1_18=1, var_1_19=0, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_6=-256, var_1_7=128, var_1_8=49/5] [L71] var_1_8 = __VERIFIER_nondet_float() [L72] CALL assume_abort_if_not((var_1_8 >= -922337.2036854776000e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854776000e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=32, var_1_15=-10, var_1_16=16, var_1_17=25, var_1_18=1, var_1_19=0, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_6=-256, var_1_7=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=32, var_1_15=-10, var_1_16=16, var_1_17=25, var_1_18=1, var_1_19=0, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_6=-256, var_1_7=128] [L72] RET assume_abort_if_not((var_1_8 >= -922337.2036854776000e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854776000e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=32, var_1_15=-10, var_1_16=16, var_1_17=25, var_1_18=1, var_1_19=0, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_6=-256, var_1_7=128] [L73] var_1_14 = __VERIFIER_nondet_ulong() [L74] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_15=-10, var_1_16=16, var_1_17=25, var_1_18=1, var_1_19=0, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_6=-256, var_1_7=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_15=-10, var_1_16=16, var_1_17=25, var_1_18=1, var_1_19=0, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_6=-256, var_1_7=128] [L74] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_15=-10, var_1_16=16, var_1_17=25, var_1_18=1, var_1_19=0, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_6=-256, var_1_7=128] [L75] CALL assume_abort_if_not(var_1_14 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=-2, var_1_15=-10, var_1_16=16, var_1_17=25, var_1_18=1, var_1_19=0, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_6=-256, var_1_7=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=-2, var_1_15=-10, var_1_16=16, var_1_17=25, var_1_18=1, var_1_19=0, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_6=-256, var_1_7=128] [L75] RET assume_abort_if_not(var_1_14 <= 4294967294) VAL [isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=-2, var_1_15=-10, var_1_16=16, var_1_17=25, var_1_18=1, var_1_19=0, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_6=-256, var_1_7=128] [L76] var_1_16 = __VERIFIER_nondet_char() [L77] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=-2, var_1_15=-10, var_1_16=0, var_1_17=25, var_1_18=1, var_1_19=0, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_6=-256, var_1_7=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=-2, var_1_15=-10, var_1_16=0, var_1_17=25, var_1_18=1, var_1_19=0, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_6=-256, var_1_7=128] [L77] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=-2, var_1_15=-10, var_1_16=0, var_1_17=25, var_1_18=1, var_1_19=0, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_6=-256, var_1_7=128] [L78] CALL assume_abort_if_not(var_1_16 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=-2, var_1_15=-10, var_1_16=0, var_1_17=25, var_1_18=1, var_1_19=0, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_6=-256, var_1_7=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=-2, var_1_15=-10, var_1_16=0, var_1_17=25, var_1_18=1, var_1_19=0, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_6=-256, var_1_7=128] [L78] RET assume_abort_if_not(var_1_16 <= 63) VAL [isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=-2, var_1_15=-10, var_1_16=0, var_1_17=25, var_1_18=1, var_1_19=0, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_6=-256, var_1_7=128] [L79] var_1_17 = __VERIFIER_nondet_char() [L80] CALL assume_abort_if_not(var_1_17 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=-2, var_1_15=-10, var_1_16=0, var_1_17=10, var_1_18=1, var_1_19=0, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_6=-256, var_1_7=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=-2, var_1_15=-10, var_1_16=0, var_1_17=10, var_1_18=1, var_1_19=0, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_6=-256, var_1_7=128] [L80] RET assume_abort_if_not(var_1_17 >= -1) VAL [isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=-2, var_1_15=-10, var_1_16=0, var_1_17=10, var_1_18=1, var_1_19=0, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_6=-256, var_1_7=128] [L81] CALL assume_abort_if_not(var_1_17 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=-2, var_1_15=-10, var_1_16=0, var_1_17=10, var_1_18=1, var_1_19=0, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_6=-256, var_1_7=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=-2, var_1_15=-10, var_1_16=0, var_1_17=10, var_1_18=1, var_1_19=0, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_6=-256, var_1_7=128] [L81] RET assume_abort_if_not(var_1_17 <= 126) VAL [isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=-2, var_1_15=-10, var_1_16=0, var_1_17=10, var_1_18=1, var_1_19=0, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_6=-256, var_1_7=128] [L82] var_1_18 = __VERIFIER_nondet_char() [L83] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=-2, var_1_15=-10, var_1_16=0, var_1_17=10, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_6=-256, var_1_7=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=-2, var_1_15=-10, var_1_16=0, var_1_17=10, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_6=-256, var_1_7=128] [L83] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=-2, var_1_15=-10, var_1_16=0, var_1_17=10, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_6=-256, var_1_7=128] [L84] CALL assume_abort_if_not(var_1_18 <= 31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=-2, var_1_15=-10, var_1_16=0, var_1_17=10, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_6=-256, var_1_7=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=-2, var_1_15=-10, var_1_16=0, var_1_17=10, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_6=-256, var_1_7=128] [L84] RET assume_abort_if_not(var_1_18 <= 31) VAL [isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=-2, var_1_15=-10, var_1_16=0, var_1_17=10, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_6=-256, var_1_7=128] [L85] var_1_19 = __VERIFIER_nondet_char() [L86] CALL assume_abort_if_not(var_1_19 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=-2, var_1_15=-10, var_1_16=0, var_1_17=10, var_1_18=0, var_1_19=63, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_6=-256, var_1_7=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=-2, var_1_15=-10, var_1_16=0, var_1_17=10, var_1_18=0, var_1_19=63, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_6=-256, var_1_7=128] [L86] RET assume_abort_if_not(var_1_19 >= 0) VAL [isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=-2, var_1_15=-10, var_1_16=0, var_1_17=10, var_1_18=0, var_1_19=63, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_6=-256, var_1_7=128] [L87] CALL assume_abort_if_not(var_1_19 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=-2, var_1_15=-10, var_1_16=0, var_1_17=10, var_1_18=0, var_1_19=63, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_6=-256, var_1_7=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=-2, var_1_15=-10, var_1_16=0, var_1_17=10, var_1_18=0, var_1_19=63, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_6=-256, var_1_7=128] [L87] RET assume_abort_if_not(var_1_19 <= 63) VAL [isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=-2, var_1_15=-10, var_1_16=0, var_1_17=10, var_1_18=0, var_1_19=63, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_6=-256, var_1_7=128] [L88] var_1_20 = __VERIFIER_nondet_char() [L89] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=-2, var_1_15=-10, var_1_16=0, var_1_17=10, var_1_18=0, var_1_19=63, var_1_1=0, var_1_20=62, var_1_21=256, var_1_22=16, var_1_23=0, var_1_6=-256, var_1_7=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=-2, var_1_15=-10, var_1_16=0, var_1_17=10, var_1_18=0, var_1_19=63, var_1_1=0, var_1_20=62, var_1_21=256, var_1_22=16, var_1_23=0, var_1_6=-256, var_1_7=128] [L89] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=-2, var_1_15=-10, var_1_16=0, var_1_17=10, var_1_18=0, var_1_19=63, var_1_1=0, var_1_20=62, var_1_21=256, var_1_22=16, var_1_23=0, var_1_6=-256, var_1_7=128] [L90] CALL assume_abort_if_not(var_1_20 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=-2, var_1_15=-10, var_1_16=0, var_1_17=10, var_1_18=0, var_1_19=63, var_1_1=0, var_1_20=62, var_1_21=256, var_1_22=16, var_1_23=0, var_1_6=-256, var_1_7=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=-2, var_1_15=-10, var_1_16=0, var_1_17=10, var_1_18=0, var_1_19=63, var_1_1=0, var_1_20=62, var_1_21=256, var_1_22=16, var_1_23=0, var_1_6=-256, var_1_7=128] [L90] RET assume_abort_if_not(var_1_20 <= 63) VAL [isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=-2, var_1_15=-10, var_1_16=0, var_1_17=10, var_1_18=0, var_1_19=63, var_1_1=0, var_1_20=62, var_1_21=256, var_1_22=16, var_1_23=0, var_1_6=-256, var_1_7=128] [L104] RET updateVariables() [L105] CALL step() [L44] var_1_13 = var_1_14 [L45] var_1_21 = last_1_var_1_21 [L46] var_1_22 = var_1_16 [L47] var_1_23 = var_1_6 VAL [isInitial=1, last_1_var_1_21=256, var_1_13=-2, var_1_14=-2, var_1_15=-10, var_1_16=0, var_1_17=10, var_1_18=0, var_1_19=63, var_1_1=0, var_1_20=62, var_1_21=256, var_1_22=0, var_1_23=-256, var_1_6=-256, var_1_7=128] [L48] COND TRUE ((((1.1f) < (var_1_2)) ? (1.1f) : (var_1_2))) > (var_1_3 * var_1_4) [L49] var_1_1 = (var_1_23 && var_1_6) VAL [isInitial=1, last_1_var_1_21=256, var_1_13=-2, var_1_14=-2, var_1_15=-10, var_1_16=0, var_1_17=10, var_1_18=0, var_1_19=63, var_1_1=0, var_1_20=62, var_1_21=256, var_1_22=0, var_1_23=-256, var_1_6=-256, var_1_7=128] [L51] signed char stepLocal_0 = var_1_22; VAL [isInitial=1, last_1_var_1_21=256, stepLocal_0=0, var_1_13=-2, var_1_14=-2, var_1_15=-10, var_1_16=0, var_1_17=10, var_1_18=0, var_1_19=63, var_1_1=0, var_1_20=62, var_1_21=256, var_1_22=0, var_1_23=-256, var_1_6=-256, var_1_7=128] [L52] COND FALSE !(stepLocal_0 != ((((var_1_22) < (var_1_21)) ? (var_1_22) : (var_1_21)))) VAL [isInitial=1, last_1_var_1_21=256, var_1_13=-2, var_1_14=-2, var_1_15=-10, var_1_16=0, var_1_17=10, var_1_18=0, var_1_19=63, var_1_1=0, var_1_20=62, var_1_21=256, var_1_22=0, var_1_23=-256, var_1_6=-256, var_1_7=128] [L55] COND TRUE var_1_4 <= (((((var_1_2) < (var_1_3)) ? (var_1_2) : (var_1_3))) * var_1_8) [L56] var_1_7 = (((((((((var_1_22 + var_1_15)) > (var_1_15)) ? ((var_1_22 + var_1_15)) : (var_1_15)))) > (((((var_1_15) < 0 ) ? -(var_1_15) : (var_1_15))))) ? ((((((var_1_22 + var_1_15)) > (var_1_15)) ? ((var_1_22 + var_1_15)) : (var_1_15)))) : (((((var_1_15) < 0 ) ? -(var_1_15) : (var_1_15)))))) VAL [isInitial=1, last_1_var_1_21=256, var_1_13=-2, var_1_14=-2, var_1_15=-10, var_1_16=0, var_1_17=10, var_1_18=0, var_1_19=63, var_1_1=0, var_1_20=62, var_1_21=256, var_1_22=0, var_1_23=-256, var_1_6=-256, var_1_7=10] [L105] RET step() [L106] CALL, EXPR property() [L96-L97] return (((((((((((1.1f) < (var_1_2)) ? (1.1f) : (var_1_2))) > (var_1_3 * var_1_4)) ? (var_1_1 == ((unsigned char) (var_1_23 && var_1_6))) : 1) && ((var_1_4 <= (((((var_1_2) < (var_1_3)) ? (var_1_2) : (var_1_3))) * var_1_8)) ? (var_1_7 == ((signed long int) (((((((((var_1_22 + var_1_15)) > (var_1_15)) ? ((var_1_22 + var_1_15)) : (var_1_15)))) > (((((var_1_15) < 0 ) ? -(var_1_15) : (var_1_15))))) ? ((((((var_1_22 + var_1_15)) > (var_1_15)) ? ((var_1_22 + var_1_15)) : (var_1_15)))) : (((((var_1_15) < 0 ) ? -(var_1_15) : (var_1_15)))))))) : (var_1_7 == ((signed long int) var_1_22)))) && (var_1_13 == ((unsigned long int) var_1_14))) && ((var_1_22 != ((((var_1_22) < (var_1_21)) ? (var_1_22) : (var_1_21)))) ? (var_1_15 == ((signed char) ((((((10 + var_1_16)) < (var_1_17)) ? ((10 + var_1_16)) : (var_1_17))) - ((32 - var_1_18) + ((((var_1_19) > (var_1_20)) ? (var_1_19) : (var_1_20))))))) : 1)) && (var_1_21 == ((signed short int) last_1_var_1_21))) && (var_1_22 == ((signed char) var_1_16))) && (var_1_23 == ((unsigned char) var_1_6)) ; VAL [\result=0, isInitial=1, last_1_var_1_21=256, var_1_13=-2, var_1_14=-2, var_1_15=-10, var_1_16=0, var_1_17=10, var_1_18=0, var_1_19=63, var_1_1=0, var_1_20=62, var_1_21=256, var_1_22=0, var_1_23=-256, var_1_6=-256, var_1_7=10] [L106] RET, EXPR property() [L106] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_21=256, var_1_13=-2, var_1_14=-2, var_1_15=-10, var_1_16=0, var_1_17=10, var_1_18=0, var_1_19=63, var_1_1=0, var_1_20=62, var_1_21=256, var_1_22=0, var_1_23=-256, var_1_6=-256, var_1_7=10] [L19] reach_error() VAL [isInitial=1, last_1_var_1_21=256, var_1_13=-2, var_1_14=-2, var_1_15=-10, var_1_16=0, var_1_17=10, var_1_18=0, var_1_19=63, var_1_1=0, var_1_20=62, var_1_21=256, var_1_22=0, var_1_23=-256, var_1_6=-256, var_1_7=10] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 52 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.1s, OverallIterations: 3, TraceHistogramMax: 18, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 95 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 95 mSDsluCounter, 164 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 35 mSDsCounter, 114 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 69 IncrementalHoareTripleChecker+Invalid, 183 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 114 mSolverCounterUnsat, 129 mSDtfsCounter, 69 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 103 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=52occurred in iteration=0, InterpolantAutomatonStates: 7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 342 NumberOfCodeBlocks, 342 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 226 ConstructedInterpolants, 0 QuantifiedInterpolants, 338 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 1224/1224 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 07:40:06,003 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-63.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 e232e31d2ef49a20919d421300baab40e8d32863fd290aed1658ebcf167ecf0c --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 07:40:08,264 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 07:40:08,369 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-07 07:40:08,380 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 07:40:08,380 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 07:40:08,410 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 07:40:08,412 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 07:40:08,412 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 07:40:08,413 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 07:40:08,413 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 07:40:08,413 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 07:40:08,414 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 07:40:08,415 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 07:40:08,415 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 07:40:08,415 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 07:40:08,415 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 07:40:08,415 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 07:40:08,415 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 07:40:08,415 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 07:40:08,415 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 07:40:08,415 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 07:40:08,415 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 07:40:08,415 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 07:40:08,415 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-07 07:40:08,415 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-07 07:40:08,416 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 07:40:08,416 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-07 07:40:08,416 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 07:40:08,416 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 07:40:08,416 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 07:40:08,416 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 07:40:08,416 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 07:40:08,416 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 07:40:08,416 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 07:40:08,416 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 07:40:08,416 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 07:40:08,416 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 07:40:08,416 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 07:40:08,416 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-07 07:40:08,417 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-07 07:40:08,417 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 07:40:08,417 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 07:40:08,417 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 07:40:08,417 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 07:40:08,417 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 -> e232e31d2ef49a20919d421300baab40e8d32863fd290aed1658ebcf167ecf0c [2024-11-07 07:40:08,758 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 07:40:08,767 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 07:40:08,769 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 07:40:08,770 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 07:40:08,770 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 07:40:08,771 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-63.i [2024-11-07 07:40:10,211 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 07:40:10,415 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 07:40:10,416 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-63.i [2024-11-07 07:40:10,424 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/8cecbf449/23709d281ff247b7baaed6e90f95f3f4/FLAGfaf9e7d1b [2024-11-07 07:40:10,444 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/8cecbf449/23709d281ff247b7baaed6e90f95f3f4 [2024-11-07 07:40:10,446 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 07:40:10,449 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 07:40:10,451 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 07:40:10,451 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 07:40:10,455 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 07:40:10,456 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:40:10" (1/1) ... [2024-11-07 07:40:10,457 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70cca872 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:40:10, skipping insertion in model container [2024-11-07 07:40:10,457 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:40:10" (1/1) ... [2024-11-07 07:40:10,476 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 07:40:10,627 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-63.i[917,930] [2024-11-07 07:40:10,697 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 07:40:10,720 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 07:40:10,732 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-63.i[917,930] [2024-11-07 07:40:10,754 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 07:40:10,775 INFO L204 MainTranslator]: Completed translation [2024-11-07 07:40:10,777 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:40:10 WrapperNode [2024-11-07 07:40:10,778 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 07:40:10,780 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 07:40:10,780 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 07:40:10,780 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 07:40:10,786 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:40:10" (1/1) ... [2024-11-07 07:40:10,797 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:40:10" (1/1) ... [2024-11-07 07:40:10,826 INFO L138 Inliner]: procedures = 27, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 117 [2024-11-07 07:40:10,830 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 07:40:10,831 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 07:40:10,831 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 07:40:10,831 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 07:40:10,844 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:40:10" (1/1) ... [2024-11-07 07:40:10,845 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:40:10" (1/1) ... [2024-11-07 07:40:10,850 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:40:10" (1/1) ... [2024-11-07 07:40:10,869 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 07:40:10,873 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:40:10" (1/1) ... [2024-11-07 07:40:10,873 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:40:10" (1/1) ... [2024-11-07 07:40:10,885 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:40:10" (1/1) ... [2024-11-07 07:40:10,891 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:40:10" (1/1) ... [2024-11-07 07:40:10,894 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:40:10" (1/1) ... [2024-11-07 07:40:10,898 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:40:10" (1/1) ... [2024-11-07 07:40:10,905 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 07:40:10,906 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 07:40:10,906 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 07:40:10,906 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 07:40:10,907 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:40:10" (1/1) ... [2024-11-07 07:40:10,917 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 07:40:10,932 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 07:40:10,947 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 07:40:10,949 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 07:40:10,972 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 07:40:10,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-07 07:40:10,973 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 07:40:10,973 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 07:40:10,973 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 07:40:10,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 07:40:11,058 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 07:40:11,060 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 07:40:12,811 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-07 07:40:12,811 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 07:40:12,819 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 07:40:12,820 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-07 07:40:12,820 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:40:12 BoogieIcfgContainer [2024-11-07 07:40:12,820 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 07:40:12,822 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 07:40:12,822 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 07:40:12,827 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 07:40:12,828 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 07:40:10" (1/3) ... [2024-11-07 07:40:12,828 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1db79f7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 07:40:12, skipping insertion in model container [2024-11-07 07:40:12,829 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:40:10" (2/3) ... [2024-11-07 07:40:12,829 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1db79f7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 07:40:12, skipping insertion in model container [2024-11-07 07:40:12,829 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:40:12" (3/3) ... [2024-11-07 07:40:12,830 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-63.i [2024-11-07 07:40:12,844 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 07:40:12,845 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-07 07:40:12,912 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 07:40:12,923 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;@39a812c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 07:40:12,924 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-07 07:40:12,928 INFO L276 IsEmpty]: Start isEmpty. Operand has 52 states, 31 states have (on average 1.2580645161290323) internal successors, (39), 32 states have internal predecessors, (39), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-07 07:40:12,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-07 07:40:12,937 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 07:40:12,938 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 07:40:12,938 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 07:40:12,943 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 07:40:12,943 INFO L85 PathProgramCache]: Analyzing trace with hash 1773879400, now seen corresponding path program 1 times [2024-11-07 07:40:12,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 07:40:12,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1074347012] [2024-11-07 07:40:12,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 07:40:12,952 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 07:40:12,952 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 07:40:12,956 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 07:40:12,957 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 07:40:13,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:40:13,263 INFO L255 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-07 07:40:13,274 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 07:40:13,308 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 322 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2024-11-07 07:40:13,308 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 07:40:13,308 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-07 07:40:13,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1074347012] [2024-11-07 07:40:13,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1074347012] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 07:40:13,309 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 07:40:13,309 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 07:40:13,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315474331] [2024-11-07 07:40:13,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 07:40:13,314 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-07 07:40:13,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-07 07:40:13,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-07 07:40:13,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-07 07:40:13,330 INFO L87 Difference]: Start difference. First operand has 52 states, 31 states have (on average 1.2580645161290323) internal successors, (39), 32 states have internal predecessors, (39), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-07 07:40:13,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 07:40:13,348 INFO L93 Difference]: Finished difference Result 97 states and 162 transitions. [2024-11-07 07:40:13,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-07 07:40:13,350 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 114 [2024-11-07 07:40:13,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 07:40:13,355 INFO L225 Difference]: With dead ends: 97 [2024-11-07 07:40:13,355 INFO L226 Difference]: Without dead ends: 48 [2024-11-07 07:40:13,359 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-07 07:40:13,362 INFO L432 NwaCegarLoop]: 68 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, 68 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 07:40:13,363 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 07:40:13,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2024-11-07 07:40:13,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2024-11-07 07:40:13,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 28 states have (on average 1.1428571428571428) internal successors, (32), 28 states have internal predecessors, (32), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-07 07:40:13,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 68 transitions. [2024-11-07 07:40:13,400 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 68 transitions. Word has length 114 [2024-11-07 07:40:13,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 07:40:13,401 INFO L471 AbstractCegarLoop]: Abstraction has 48 states and 68 transitions. [2024-11-07 07:40:13,401 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-07 07:40:13,401 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 68 transitions. [2024-11-07 07:40:13,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-07 07:40:13,403 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 07:40:13,403 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 07:40:13,414 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 07:40:13,604 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 07:40:13,604 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 07:40:13,605 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 07:40:13,605 INFO L85 PathProgramCache]: Analyzing trace with hash -3676308, now seen corresponding path program 1 times [2024-11-07 07:40:13,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 07:40:13,606 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2018854243] [2024-11-07 07:40:13,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 07:40:13,606 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 07:40:13,606 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 07:40:13,609 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 07:40:13,610 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 07:40:13,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:40:13,909 INFO L255 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-07 07:40:13,918 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 07:40:14,657 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 321 proven. 27 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-07 07:40:14,658 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 07:40:15,069 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-07 07:40:15,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2018854243] [2024-11-07 07:40:15,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2018854243] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 07:40:15,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [612965919] [2024-11-07 07:40:15,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 07:40:15,070 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-07 07:40:15,071 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-07 07:40:15,075 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-07 07:40:15,078 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-07 07:40:15,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:40:15,699 INFO L255 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-07 07:40:15,709 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 07:40:52,412 WARN L286 SmtUtils]: Spent 5.03s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-07 07:41:12,853 WARN L286 SmtUtils]: Spent 7.30s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-07 07:41:41,545 WARN L286 SmtUtils]: Spent 8.09s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)