./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-23.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_loopvsstraightlinecode_25-1loop_file-23.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', '8de2df2af1045ea71cd943d6852e7d3ebdac09a5c57d05056a0555f6e5e1d438'] 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_loopvsstraightlinecode_25-1loop_file-23.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 8de2df2af1045ea71cd943d6852e7d3ebdac09a5c57d05056a0555f6e5e1d438 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 08:18:36,446 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 08:18:36,494 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-07 08:18:36,498 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 08:18:36,498 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 08:18:36,512 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 08:18:36,513 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 08:18:36,513 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 08:18:36,513 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 08:18:36,513 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 08:18:36,513 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 08:18:36,513 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 08:18:36,514 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 08:18:36,514 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 08:18:36,514 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 08:18:36,514 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 08:18:36,514 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 08:18:36,514 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 08:18:36,514 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 08:18:36,514 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 08:18:36,514 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 08:18:36,515 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 08:18:36,515 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 08:18:36,515 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 08:18:36,515 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 08:18:36,515 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 08:18:36,515 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 08:18:36,515 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 08:18:36,515 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 08:18:36,515 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 08:18:36,515 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 08:18:36,515 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 08:18:36,516 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 08:18:36,516 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 08:18:36,516 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 08:18:36,516 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 08:18:36,516 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 08:18:36,516 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 08:18:36,516 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 08:18:36,516 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 08:18:36,516 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 08:18:36,516 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 08:18:36,516 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 -> 8de2df2af1045ea71cd943d6852e7d3ebdac09a5c57d05056a0555f6e5e1d438 [2024-11-07 08:18:36,721 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 08:18:36,727 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 08:18:36,729 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 08:18:36,730 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 08:18:36,732 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 08:18:36,733 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-23.i [2024-11-07 08:18:37,930 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 08:18:38,144 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 08:18:38,146 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-23.i [2024-11-07 08:18:38,152 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/e79e32031/4887280829884a36a801304fec780807/FLAG5b7ee5a88 [2024-11-07 08:18:38,167 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/e79e32031/4887280829884a36a801304fec780807 [2024-11-07 08:18:38,168 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 08:18:38,169 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 08:18:38,171 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 08:18:38,171 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 08:18:38,174 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 08:18:38,174 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:18:38" (1/1) ... [2024-11-07 08:18:38,175 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19d7b7b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:18:38, skipping insertion in model container [2024-11-07 08:18:38,176 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:18:38" (1/1) ... [2024-11-07 08:18:38,188 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 08:18:38,281 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_loopvsstraightlinecode_25-1loop_file-23.i[915,928] [2024-11-07 08:18:38,307 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 08:18:38,317 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 08:18:38,330 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_loopvsstraightlinecode_25-1loop_file-23.i[915,928] [2024-11-07 08:18:38,355 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 08:18:38,373 INFO L204 MainTranslator]: Completed translation [2024-11-07 08:18:38,373 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:18:38 WrapperNode [2024-11-07 08:18:38,374 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 08:18:38,375 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 08:18:38,375 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 08:18:38,375 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 08:18:38,380 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:18:38" (1/1) ... [2024-11-07 08:18:38,392 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:18:38" (1/1) ... [2024-11-07 08:18:38,417 INFO L138 Inliner]: procedures = 26, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 120 [2024-11-07 08:18:38,418 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 08:18:38,419 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 08:18:38,419 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 08:18:38,419 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 08:18:38,428 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:18:38" (1/1) ... [2024-11-07 08:18:38,429 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:18:38" (1/1) ... [2024-11-07 08:18:38,434 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:18:38" (1/1) ... [2024-11-07 08:18:38,450 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 08:18:38,454 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:18:38" (1/1) ... [2024-11-07 08:18:38,454 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:18:38" (1/1) ... [2024-11-07 08:18:38,458 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:18:38" (1/1) ... [2024-11-07 08:18:38,464 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:18:38" (1/1) ... [2024-11-07 08:18:38,469 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:18:38" (1/1) ... [2024-11-07 08:18:38,470 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:18:38" (1/1) ... [2024-11-07 08:18:38,471 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 08:18:38,472 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 08:18:38,475 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 08:18:38,475 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 08:18:38,476 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:18:38" (1/1) ... [2024-11-07 08:18:38,484 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 08:18:38,495 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 08:18:38,508 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 08:18:38,511 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 08:18:38,527 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 08:18:38,527 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 08:18:38,527 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 08:18:38,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 08:18:38,527 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 08:18:38,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 08:18:38,583 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 08:18:38,584 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 08:18:38,720 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-11-07 08:18:38,720 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 08:18:38,727 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 08:18:38,727 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-07 08:18:38,727 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:18:38 BoogieIcfgContainer [2024-11-07 08:18:38,727 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 08:18:38,729 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 08:18:38,729 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 08:18:38,733 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 08:18:38,733 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 08:18:38" (1/3) ... [2024-11-07 08:18:38,733 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15e0f975 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:18:38, skipping insertion in model container [2024-11-07 08:18:38,733 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:18:38" (2/3) ... [2024-11-07 08:18:38,733 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15e0f975 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:18:38, skipping insertion in model container [2024-11-07 08:18:38,733 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:18:38" (3/3) ... [2024-11-07 08:18:38,734 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-1loop_file-23.i [2024-11-07 08:18:38,744 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 08:18:38,744 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-07 08:18:38,778 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 08:18:38,786 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;@7de85a7f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 08:18:38,786 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-07 08:18:38,790 INFO L276 IsEmpty]: Start isEmpty. Operand has 54 states, 32 states have (on average 1.28125) internal successors, (41), 33 states have internal predecessors, (41), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-07 08:18:38,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-07 08:18:38,797 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 08:18:38,797 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:18:38,798 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 08:18:38,801 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 08:18:38,801 INFO L85 PathProgramCache]: Analyzing trace with hash -572450493, now seen corresponding path program 1 times [2024-11-07 08:18:38,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 08:18:38,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [58130006] [2024-11-07 08:18:38,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 08:18:38,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 08:18:38,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:18:38,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 08:18:38,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:18:38,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 08:18:38,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:18:38,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 08:18:38,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:18:38,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 08:18:38,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:18:38,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 08:18:38,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:18:38,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 08:18:38,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:18:38,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 08:18:38,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:18:38,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-07 08:18:38,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:18:38,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-07 08:18:38,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:18:38,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-07 08:18:38,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:18:38,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-07 08:18:38,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:18:39,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 08:18:39,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:18:39,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-07 08:18:39,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:18:39,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 08:18:39,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:18:39,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 08:18:39,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:18:39,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-07 08:18:39,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:18:39,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 08:18:39,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:18:39,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-07 08:18:39,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:18:39,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 08:18:39,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:18:39,050 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-07 08:18:39,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 08:18:39,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [58130006] [2024-11-07 08:18:39,051 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [58130006] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 08:18:39,051 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 08:18:39,051 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 08:18:39,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680591777] [2024-11-07 08:18:39,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 08:18:39,056 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-07 08:18:39,059 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 08:18:39,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-07 08:18:39,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-07 08:18:39,086 INFO L87 Difference]: Start difference. First operand has 54 states, 32 states have (on average 1.28125) internal successors, (41), 33 states have internal predecessors, (41), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-07 08:18:39,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 08:18:39,116 INFO L93 Difference]: Finished difference Result 105 states and 174 transitions. [2024-11-07 08:18:39,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-07 08:18:39,118 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) Word has length 117 [2024-11-07 08:18:39,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 08:18:39,122 INFO L225 Difference]: With dead ends: 105 [2024-11-07 08:18:39,122 INFO L226 Difference]: Without dead ends: 50 [2024-11-07 08:18:39,124 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 59 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 08:18:39,126 INFO L432 NwaCegarLoop]: 76 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, 76 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 08:18:39,126 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 08:18:39,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2024-11-07 08:18:39,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2024-11-07 08:18:39,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 29 states have (on average 1.1724137931034482) internal successors, (34), 29 states have internal predecessors, (34), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-07 08:18:39,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 72 transitions. [2024-11-07 08:18:39,152 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 72 transitions. Word has length 117 [2024-11-07 08:18:39,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 08:18:39,153 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 72 transitions. [2024-11-07 08:18:39,153 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-07 08:18:39,153 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 72 transitions. [2024-11-07 08:18:39,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-07 08:18:39,156 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 08:18:39,156 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:18:39,157 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 08:18:39,157 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 08:18:39,157 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 08:18:39,157 INFO L85 PathProgramCache]: Analyzing trace with hash -1091258423, now seen corresponding path program 1 times [2024-11-07 08:18:39,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 08:18:39,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329416525] [2024-11-07 08:18:39,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 08:18:39,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 08:18:39,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 08:18:39,409 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-07 08:18:39,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 08:18:39,555 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-07 08:18:39,555 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-07 08:18:39,557 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-07 08:18:39,558 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 08:18:39,560 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-07 08:18:39,637 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-07 08:18:39,643 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 08:18:39 BoogieIcfgContainer [2024-11-07 08:18:39,644 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-07 08:18:39,645 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-07 08:18:39,645 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-07 08:18:39,645 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-07 08:18:39,646 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:18:38" (3/4) ... [2024-11-07 08:18:39,647 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-07 08:18:39,648 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-07 08:18:39,649 INFO L158 Benchmark]: Toolchain (without parser) took 1479.58ms. Allocated memory is still 100.7MB. Free memory was 76.7MB in the beginning and 42.1MB in the end (delta: 34.6MB). Peak memory consumption was 30.8MB. Max. memory is 16.1GB. [2024-11-07 08:18:39,649 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 83.9MB. Free memory is still 47.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 08:18:39,650 INFO L158 Benchmark]: CACSL2BoogieTranslator took 203.49ms. Allocated memory is still 100.7MB. Free memory was 76.5MB in the beginning and 63.9MB in the end (delta: 12.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-07 08:18:39,650 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.75ms. Allocated memory is still 100.7MB. Free memory was 63.9MB in the beginning and 62.1MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-07 08:18:39,653 INFO L158 Benchmark]: Boogie Preprocessor took 52.08ms. Allocated memory is still 100.7MB. Free memory was 62.1MB in the beginning and 60.1MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 08:18:39,653 INFO L158 Benchmark]: RCFGBuilder took 255.83ms. Allocated memory is still 100.7MB. Free memory was 60.1MB in the beginning and 46.0MB in the end (delta: 14.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-07 08:18:39,653 INFO L158 Benchmark]: TraceAbstraction took 915.14ms. Allocated memory is still 100.7MB. Free memory was 45.5MB in the beginning and 42.1MB in the end (delta: 3.4MB). Peak memory consumption was 5.6MB. Max. memory is 16.1GB. [2024-11-07 08:18:39,653 INFO L158 Benchmark]: Witness Printer took 3.53ms. Allocated memory is still 100.7MB. Free memory was 42.1MB in the beginning and 42.1MB in the end (delta: 28.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 08:18:39,655 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 83.9MB. Free memory is still 47.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 203.49ms. Allocated memory is still 100.7MB. Free memory was 76.5MB in the beginning and 63.9MB in the end (delta: 12.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.75ms. Allocated memory is still 100.7MB. Free memory was 63.9MB in the beginning and 62.1MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.08ms. Allocated memory is still 100.7MB. Free memory was 62.1MB in the beginning and 60.1MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 255.83ms. Allocated memory is still 100.7MB. Free memory was 60.1MB in the beginning and 46.0MB in the end (delta: 14.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 915.14ms. Allocated memory is still 100.7MB. Free memory was 45.5MB in the beginning and 42.1MB in the end (delta: 3.4MB). Peak memory consumption was 5.6MB. Max. memory is 16.1GB. * Witness Printer took 3.53ms. Allocated memory is still 100.7MB. Free memory was 42.1MB in the beginning and 42.1MB in the end (delta: 28.9kB). 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 94. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned long int var_1_1 = 0; [L23] unsigned long int var_1_2 = 16; [L24] unsigned long int var_1_3 = 64; [L25] unsigned long int var_1_4 = 25; [L26] float var_1_6 = 999.7; [L27] float var_1_8 = 9.75; [L28] float var_1_9 = 1.75; [L29] unsigned long int var_1_10 = 16; [L30] unsigned long int var_1_11 = 1277342739; [L31] unsigned long int var_1_12 = 1394088949; [L32] unsigned long int var_1_13 = 0; [L33] unsigned char var_1_14 = 0; [L34] unsigned char var_1_17 = 0; [L35] unsigned char var_1_18 = 0; [L36] float var_1_19 = 10.5; [L37] float var_1_20 = 4.47; [L38] unsigned char var_1_21 = 1; [L39] unsigned char var_1_22 = 0; VAL [isInitial=0, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=16, var_1_3=64, var_1_4=25, var_1_6=9997/10, var_1_8=39/4, var_1_9=7/4] [L98] isInitial = 1 [L99] FCALL initially() [L100] int k_loop; [L101] k_loop = 0 VAL [isInitial=1, k_loop=0, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=16, var_1_3=64, var_1_4=25, var_1_6=9997/10, var_1_8=39/4, var_1_9=7/4] [L101] COND TRUE k_loop < 1 [L102] FCALL updateLastVariables() [L103] CALL updateVariables() [L60] var_1_2 = __VERIFIER_nondet_ulong() [L61] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_3=64, var_1_4=25, var_1_6=9997/10, var_1_8=39/4, var_1_9=7/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_3=64, var_1_4=25, var_1_6=9997/10, var_1_8=39/4, var_1_9=7/4] [L61] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_3=64, var_1_4=25, var_1_6=9997/10, var_1_8=39/4, var_1_9=7/4] [L62] CALL assume_abort_if_not(var_1_2 <= 4294967294) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=-3221225471, var_1_3=64, var_1_4=25, var_1_6=9997/10, var_1_8=39/4, var_1_9=7/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=-3221225471, var_1_3=64, var_1_4=25, var_1_6=9997/10, var_1_8=39/4, var_1_9=7/4] [L62] RET assume_abort_if_not(var_1_2 <= 4294967294) VAL [isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=-3221225471, var_1_3=64, var_1_4=25, var_1_6=9997/10, var_1_8=39/4, var_1_9=7/4] [L63] var_1_3 = __VERIFIER_nondet_ulong() [L64] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=-3221225471, var_1_4=25, var_1_6=9997/10, var_1_8=39/4, var_1_9=7/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=-3221225471, var_1_4=25, var_1_6=9997/10, var_1_8=39/4, var_1_9=7/4] [L64] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=-3221225471, var_1_4=25, var_1_6=9997/10, var_1_8=39/4, var_1_9=7/4] [L65] CALL assume_abort_if_not(var_1_3 <= 4294967294) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=-3221225471, var_1_3=-3221225472, var_1_4=25, var_1_6=9997/10, var_1_8=39/4, var_1_9=7/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=-3221225471, var_1_3=-3221225472, var_1_4=25, var_1_6=9997/10, var_1_8=39/4, var_1_9=7/4] [L65] RET assume_abort_if_not(var_1_3 <= 4294967294) VAL [isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=-3221225471, var_1_3=-3221225472, var_1_4=25, var_1_6=9997/10, var_1_8=39/4, var_1_9=7/4] [L66] var_1_6 = __VERIFIER_nondet_float() [L67] CALL assume_abort_if_not((var_1_6 >= -922337.2036854776000e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854776000e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=-3221225471, var_1_3=-3221225472, var_1_4=25, var_1_8=39/4, var_1_9=7/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=-3221225471, var_1_3=-3221225472, var_1_4=25, var_1_8=39/4, var_1_9=7/4] [L67] RET assume_abort_if_not((var_1_6 >= -922337.2036854776000e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854776000e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=-3221225471, var_1_3=-3221225472, var_1_4=25, var_1_8=39/4, var_1_9=7/4] [L68] CALL assume_abort_if_not(var_1_6 != 0.0F) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=-3221225471, var_1_3=-3221225472, var_1_4=25, var_1_8=39/4, var_1_9=7/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=-3221225471, var_1_3=-3221225472, var_1_4=25, var_1_8=39/4, var_1_9=7/4] [L68] RET assume_abort_if_not(var_1_6 != 0.0F) VAL [isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=-3221225471, var_1_3=-3221225472, var_1_4=25, var_1_8=39/4, var_1_9=7/4] [L69] var_1_8 = __VERIFIER_nondet_float() [L70] CALL assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854776000e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=-3221225471, var_1_3=-3221225472, var_1_4=25, var_1_9=7/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=-3221225471, var_1_3=-3221225472, var_1_4=25, var_1_9=7/4] [L70] RET assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854776000e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=-3221225471, var_1_3=-3221225472, var_1_4=25, var_1_9=7/4] [L71] var_1_9 = __VERIFIER_nondet_float() [L72] CALL assume_abort_if_not((var_1_9 >= 0.0F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854776000e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=-3221225471, var_1_3=-3221225472, var_1_4=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=-3221225471, var_1_3=-3221225472, var_1_4=25] [L72] RET assume_abort_if_not((var_1_9 >= 0.0F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854776000e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=-3221225471, var_1_3=-3221225472, var_1_4=25] [L73] var_1_11 = __VERIFIER_nondet_ulong() [L74] CALL assume_abort_if_not(var_1_11 >= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=-6442450945, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=-3221225471, var_1_3=-3221225472, var_1_4=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=-6442450945, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=-3221225471, var_1_3=-3221225472, var_1_4=25] [L74] RET assume_abort_if_not(var_1_11 >= 1073741823) VAL [isInitial=1, var_1_10=16, var_1_11=-6442450945, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=-3221225471, var_1_3=-3221225472, var_1_4=25] [L75] CALL assume_abort_if_not(var_1_11 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=-6442450945, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=-3221225471, var_1_3=-3221225472, var_1_4=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=-6442450945, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=-3221225471, var_1_3=-3221225472, var_1_4=25] [L75] RET assume_abort_if_not(var_1_11 <= 2147483647) VAL [isInitial=1, var_1_10=16, var_1_11=-6442450945, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=-3221225471, var_1_3=-3221225472, var_1_4=25] [L76] var_1_12 = __VERIFIER_nondet_ulong() [L77] CALL assume_abort_if_not(var_1_12 >= 1073741824) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=-6442450945, var_1_12=1073741824, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=-3221225471, var_1_3=-3221225472, var_1_4=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=-6442450945, var_1_12=1073741824, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=-3221225471, var_1_3=-3221225472, var_1_4=25] [L77] RET assume_abort_if_not(var_1_12 >= 1073741824) VAL [isInitial=1, var_1_10=16, var_1_11=-6442450945, var_1_12=1073741824, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=-3221225471, var_1_3=-3221225472, var_1_4=25] [L78] CALL assume_abort_if_not(var_1_12 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=-6442450945, var_1_12=1073741824, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=-3221225471, var_1_3=-3221225472, var_1_4=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=-6442450945, var_1_12=1073741824, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=-3221225471, var_1_3=-3221225472, var_1_4=25] [L78] RET assume_abort_if_not(var_1_12 <= 2147483647) VAL [isInitial=1, var_1_10=16, var_1_11=-6442450945, var_1_12=1073741824, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=-3221225471, var_1_3=-3221225472, var_1_4=25] [L79] var_1_13 = __VERIFIER_nondet_ulong() [L80] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=-6442450945, var_1_12=1073741824, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=-3221225471, var_1_3=-3221225472, var_1_4=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=-6442450945, var_1_12=1073741824, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=-3221225471, var_1_3=-3221225472, var_1_4=25] [L80] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, var_1_10=16, var_1_11=-6442450945, var_1_12=1073741824, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=-3221225471, var_1_3=-3221225472, var_1_4=25] [L81] CALL assume_abort_if_not(var_1_13 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=-6442450945, var_1_12=1073741824, var_1_13=-2147483649, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=-3221225471, var_1_3=-3221225472, var_1_4=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=-6442450945, var_1_12=1073741824, var_1_13=-2147483649, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=-3221225471, var_1_3=-3221225472, var_1_4=25] [L81] RET assume_abort_if_not(var_1_13 <= 2147483647) VAL [isInitial=1, var_1_10=16, var_1_11=-6442450945, var_1_12=1073741824, var_1_13=-2147483649, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=-3221225471, var_1_3=-3221225472, var_1_4=25] [L82] var_1_17 = __VERIFIER_nondet_uchar() [L83] CALL assume_abort_if_not(var_1_17 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=-6442450945, var_1_12=1073741824, var_1_13=-2147483649, var_1_14=0, var_1_17=-255, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=-3221225471, var_1_3=-3221225472, var_1_4=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=-6442450945, var_1_12=1073741824, var_1_13=-2147483649, var_1_14=0, var_1_17=-255, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=-3221225471, var_1_3=-3221225472, var_1_4=25] [L83] RET assume_abort_if_not(var_1_17 >= 1) VAL [isInitial=1, var_1_10=16, var_1_11=-6442450945, var_1_12=1073741824, var_1_13=-2147483649, var_1_14=0, var_1_17=-255, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=-3221225471, var_1_3=-3221225472, var_1_4=25] [L84] CALL assume_abort_if_not(var_1_17 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=-6442450945, var_1_12=1073741824, var_1_13=-2147483649, var_1_14=0, var_1_17=-255, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=-3221225471, var_1_3=-3221225472, var_1_4=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=-6442450945, var_1_12=1073741824, var_1_13=-2147483649, var_1_14=0, var_1_17=-255, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=-3221225471, var_1_3=-3221225472, var_1_4=25] [L84] RET assume_abort_if_not(var_1_17 <= 1) VAL [isInitial=1, var_1_10=16, var_1_11=-6442450945, var_1_12=1073741824, var_1_13=-2147483649, var_1_14=0, var_1_17=-255, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=-3221225471, var_1_3=-3221225472, var_1_4=25] [L85] var_1_20 = __VERIFIER_nondet_float() [L86] CALL assume_abort_if_not((var_1_20 >= -922337.2036854765600e+13F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 9223372.036854765600e+12F && var_1_20 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=-6442450945, var_1_12=1073741824, var_1_13=-2147483649, var_1_14=0, var_1_17=-255, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_21=1, var_1_22=0, var_1_2=-3221225471, var_1_3=-3221225472, var_1_4=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=-6442450945, var_1_12=1073741824, var_1_13=-2147483649, var_1_14=0, var_1_17=-255, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_21=1, var_1_22=0, var_1_2=-3221225471, var_1_3=-3221225472, var_1_4=25] [L86] RET assume_abort_if_not((var_1_20 >= -922337.2036854765600e+13F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 9223372.036854765600e+12F && var_1_20 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=16, var_1_11=-6442450945, var_1_12=1073741824, var_1_13=-2147483649, var_1_14=0, var_1_17=-255, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_21=1, var_1_22=0, var_1_2=-3221225471, var_1_3=-3221225472, var_1_4=25] [L87] var_1_22 = __VERIFIER_nondet_uchar() [L88] CALL assume_abort_if_not(var_1_22 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=-6442450945, var_1_12=1073741824, var_1_13=-2147483649, var_1_14=0, var_1_17=-255, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_21=1, var_1_2=-3221225471, var_1_3=-3221225472, var_1_4=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=-6442450945, var_1_12=1073741824, var_1_13=-2147483649, var_1_14=0, var_1_17=-255, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_21=1, var_1_2=-3221225471, var_1_3=-3221225472, var_1_4=25] [L88] RET assume_abort_if_not(var_1_22 >= 0) VAL [isInitial=1, var_1_10=16, var_1_11=-6442450945, var_1_12=1073741824, var_1_13=-2147483649, var_1_14=0, var_1_17=-255, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_21=1, var_1_2=-3221225471, var_1_3=-3221225472, var_1_4=25] [L89] CALL assume_abort_if_not(var_1_22 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=-6442450945, var_1_12=1073741824, var_1_13=-2147483649, var_1_14=0, var_1_17=-255, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_21=1, var_1_22=0, var_1_2=-3221225471, var_1_3=-3221225472, var_1_4=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=-6442450945, var_1_12=1073741824, var_1_13=-2147483649, var_1_14=0, var_1_17=-255, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_21=1, var_1_22=0, var_1_2=-3221225471, var_1_3=-3221225472, var_1_4=25] [L89] RET assume_abort_if_not(var_1_22 <= 0) VAL [isInitial=1, var_1_10=16, var_1_11=-6442450945, var_1_12=1073741824, var_1_13=-2147483649, var_1_14=0, var_1_17=-255, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_21=1, var_1_22=0, var_1_2=-3221225471, var_1_3=-3221225472, var_1_4=25] [L103] RET updateVariables() [L104] CALL step() [L43] var_1_1 = ((((var_1_2) < (var_1_3)) ? (var_1_2) : (var_1_3))) [L44] var_1_10 = ((((var_1_2) > (((var_1_11 + var_1_12) - var_1_13))) ? (var_1_2) : (((var_1_11 + var_1_12) - var_1_13)))) [L45] var_1_18 = var_1_17 [L46] var_1_19 = var_1_20 [L47] var_1_21 = var_1_22 VAL [isInitial=1, var_1_10=-3221225471, var_1_11=-6442450945, var_1_12=1073741824, var_1_13=-2147483649, var_1_14=0, var_1_17=-255, var_1_18=-255, var_1_19=1394088954, var_1_1=-3221225472, var_1_20=1394088954, var_1_21=0, var_1_22=0, var_1_2=-3221225471, var_1_3=-3221225472, var_1_4=25] [L48] COND TRUE (var_1_19 / var_1_6) <= (var_1_19 + (var_1_8 - var_1_9)) [L49] var_1_4 = ((((var_1_2) < (var_1_3)) ? (var_1_2) : (var_1_3))) VAL [isInitial=1, var_1_10=-3221225471, var_1_11=-6442450945, var_1_12=1073741824, var_1_13=-2147483649, var_1_14=0, var_1_17=-255, var_1_18=-255, var_1_19=1394088954, var_1_1=-3221225472, var_1_20=1394088954, var_1_21=0, var_1_22=0, var_1_2=-3221225471, var_1_3=-3221225472, var_1_4=-3221225472] [L51] COND FALSE !(\read(var_1_21)) VAL [isInitial=1, var_1_10=-3221225471, var_1_11=-6442450945, var_1_12=1073741824, var_1_13=-2147483649, var_1_14=0, var_1_17=-255, var_1_18=-255, var_1_19=1394088954, var_1_1=-3221225472, var_1_20=1394088954, var_1_21=0, var_1_22=0, var_1_2=-3221225471, var_1_3=-3221225472, var_1_4=-3221225472] [L104] RET step() [L105] CALL, EXPR property() [L94-L95] return ((((((var_1_1 == ((unsigned long int) ((((var_1_2) < (var_1_3)) ? (var_1_2) : (var_1_3))))) && (((var_1_19 / var_1_6) <= (var_1_19 + (var_1_8 - var_1_9))) ? (var_1_4 == ((unsigned long int) ((((var_1_2) < (var_1_3)) ? (var_1_2) : (var_1_3))))) : 1)) && (var_1_10 == ((unsigned long int) ((((var_1_2) > (((var_1_11 + var_1_12) - var_1_13))) ? (var_1_2) : (((var_1_11 + var_1_12) - var_1_13))))))) && (var_1_21 ? ((! ((var_1_19 / var_1_6) < (var_1_8 - var_1_9))) ? (var_1_21 ? (var_1_14 == ((unsigned char) (! var_1_17))) : 1) : 1) : 1)) && (var_1_18 == ((unsigned char) var_1_17))) && (var_1_19 == ((float) var_1_20))) && (var_1_21 == ((unsigned char) var_1_22)) ; VAL [\result=0, isInitial=1, var_1_10=-3221225471, var_1_11=-6442450945, var_1_12=1073741824, var_1_13=-2147483649, var_1_14=0, var_1_17=-255, var_1_18=-255, var_1_19=1394088954, var_1_1=-3221225472, var_1_20=1394088954, var_1_21=0, var_1_22=0, var_1_2=-3221225471, var_1_3=-3221225472, var_1_4=-3221225472] [L105] RET, EXPR property() [L105] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=-3221225471, var_1_11=-6442450945, var_1_12=1073741824, var_1_13=-2147483649, var_1_14=0, var_1_17=-255, var_1_18=-255, var_1_19=1394088954, var_1_1=-3221225472, var_1_20=1394088954, var_1_21=0, var_1_22=0, var_1_2=-3221225471, var_1_3=-3221225472, var_1_4=-3221225472] [L19] reach_error() VAL [isInitial=1, var_1_10=-3221225471, var_1_11=-6442450945, var_1_12=1073741824, var_1_13=-2147483649, var_1_14=0, var_1_17=-255, var_1_18=-255, var_1_19=1394088954, var_1_1=-3221225472, var_1_20=1394088954, var_1_21=0, var_1_22=0, var_1_2=-3221225471, var_1_3=-3221225472, var_1_4=-3221225472] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 54 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 19, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 76 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 76 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 59 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=54occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 234 NumberOfCodeBlocks, 234 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 116 ConstructedInterpolants, 0 QuantifiedInterpolants, 116 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 684/684 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 08:18:39,682 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, 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_loopvsstraightlinecode_25-1loop_file-23.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 8de2df2af1045ea71cd943d6852e7d3ebdac09a5c57d05056a0555f6e5e1d438 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 08:18:41,645 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 08:18:41,746 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-07 08:18:41,755 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 08:18:41,755 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 08:18:41,779 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 08:18:41,780 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 08:18:41,780 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 08:18:41,781 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 08:18:41,781 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 08:18:41,781 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 08:18:41,781 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 08:18:41,782 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 08:18:41,782 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 08:18:41,782 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 08:18:41,782 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 08:18:41,782 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 08:18:41,782 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 08:18:41,783 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 08:18:41,783 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 08:18:41,783 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 08:18:41,783 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 08:18:41,783 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 08:18:41,783 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-07 08:18:41,783 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-07 08:18:41,783 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 08:18:41,783 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-07 08:18:41,783 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 08:18:41,783 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 08:18:41,784 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 08:18:41,784 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 08:18:41,784 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 08:18:41,784 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 08:18:41,784 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 08:18:41,784 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 08:18:41,785 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 08:18:41,785 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 08:18:41,785 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 08:18:41,785 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-07 08:18:41,785 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-07 08:18:41,785 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 08:18:41,785 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 08:18:41,785 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 08:18:41,785 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 08:18:41,785 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 -> 8de2df2af1045ea71cd943d6852e7d3ebdac09a5c57d05056a0555f6e5e1d438 [2024-11-07 08:18:42,075 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 08:18:42,083 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 08:18:42,085 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 08:18:42,085 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 08:18:42,086 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 08:18:42,086 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-23.i [2024-11-07 08:18:43,356 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 08:18:43,530 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 08:18:43,532 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-23.i [2024-11-07 08:18:43,539 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/e9719d8c3/e1e1607ad529416485bca6f2b9fe055e/FLAG2c44790e5 [2024-11-07 08:18:43,554 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/e9719d8c3/e1e1607ad529416485bca6f2b9fe055e [2024-11-07 08:18:43,559 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 08:18:43,560 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 08:18:43,562 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 08:18:43,562 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 08:18:43,566 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 08:18:43,566 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:18:43" (1/1) ... [2024-11-07 08:18:43,567 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f6d2908 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:18:43, skipping insertion in model container [2024-11-07 08:18:43,567 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:18:43" (1/1) ... [2024-11-07 08:18:43,582 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 08:18:43,688 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_loopvsstraightlinecode_25-1loop_file-23.i[915,928] [2024-11-07 08:18:43,729 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 08:18:43,742 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 08:18:43,750 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_loopvsstraightlinecode_25-1loop_file-23.i[915,928] [2024-11-07 08:18:43,775 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 08:18:43,792 INFO L204 MainTranslator]: Completed translation [2024-11-07 08:18:43,793 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:18:43 WrapperNode [2024-11-07 08:18:43,794 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 08:18:43,794 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 08:18:43,795 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 08:18:43,795 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 08:18:43,800 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:18:43" (1/1) ... [2024-11-07 08:18:43,809 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:18:43" (1/1) ... [2024-11-07 08:18:43,829 INFO L138 Inliner]: procedures = 27, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 120 [2024-11-07 08:18:43,833 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 08:18:43,833 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 08:18:43,833 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 08:18:43,833 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 08:18:43,841 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:18:43" (1/1) ... [2024-11-07 08:18:43,841 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:18:43" (1/1) ... [2024-11-07 08:18:43,843 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:18:43" (1/1) ... [2024-11-07 08:18:43,861 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 08:18:43,861 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:18:43" (1/1) ... [2024-11-07 08:18:43,862 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:18:43" (1/1) ... [2024-11-07 08:18:43,874 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:18:43" (1/1) ... [2024-11-07 08:18:43,876 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:18:43" (1/1) ... [2024-11-07 08:18:43,882 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:18:43" (1/1) ... [2024-11-07 08:18:43,883 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:18:43" (1/1) ... [2024-11-07 08:18:43,884 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 08:18:43,887 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 08:18:43,887 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 08:18:43,887 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 08:18:43,888 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:18:43" (1/1) ... [2024-11-07 08:18:43,894 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 08:18:43,907 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 08:18:43,919 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 08:18:43,921 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 08:18:43,940 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 08:18:43,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-07 08:18:43,941 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 08:18:43,941 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 08:18:43,941 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 08:18:43,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 08:18:44,008 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 08:18:44,010 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 08:18:53,571 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-11-07 08:18:53,571 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 08:18:53,578 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 08:18:53,578 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-07 08:18:53,579 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:18:53 BoogieIcfgContainer [2024-11-07 08:18:53,579 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 08:18:53,580 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 08:18:53,581 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 08:18:53,584 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 08:18:53,585 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 08:18:43" (1/3) ... [2024-11-07 08:18:53,585 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@140b047f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:18:53, skipping insertion in model container [2024-11-07 08:18:53,585 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:18:43" (2/3) ... [2024-11-07 08:18:53,585 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@140b047f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:18:53, skipping insertion in model container [2024-11-07 08:18:53,585 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:18:53" (3/3) ... [2024-11-07 08:18:53,586 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-1loop_file-23.i [2024-11-07 08:18:53,596 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 08:18:53,597 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-07 08:18:53,637 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 08:18:53,645 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;@68609a1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 08:18:53,646 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-07 08:18:53,649 INFO L276 IsEmpty]: Start isEmpty. Operand has 54 states, 32 states have (on average 1.28125) internal successors, (41), 33 states have internal predecessors, (41), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-07 08:18:53,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-07 08:18:53,662 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 08:18:53,663 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:18:53,663 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 08:18:53,670 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 08:18:53,671 INFO L85 PathProgramCache]: Analyzing trace with hash -572450493, now seen corresponding path program 1 times [2024-11-07 08:18:53,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 08:18:53,689 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1925906112] [2024-11-07 08:18:53,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 08:18:53,690 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 08:18:53,690 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 08:18:53,694 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 08:18:53,695 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 08:18:54,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:18:54,078 INFO L255 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-07 08:18:54,087 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 08:18:54,112 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 296 proven. 0 refuted. 0 times theorem prover too weak. 388 trivial. 0 not checked. [2024-11-07 08:18:54,113 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 08:18:54,113 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-07 08:18:54,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1925906112] [2024-11-07 08:18:54,114 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1925906112] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 08:18:54,114 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 08:18:54,114 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 08:18:54,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831666279] [2024-11-07 08:18:54,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 08:18:54,118 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-07 08:18:54,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-07 08:18:54,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-07 08:18:54,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-07 08:18:54,131 INFO L87 Difference]: Start difference. First operand has 54 states, 32 states have (on average 1.28125) internal successors, (41), 33 states have internal predecessors, (41), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-07 08:18:54,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 08:18:54,169 INFO L93 Difference]: Finished difference Result 105 states and 174 transitions. [2024-11-07 08:18:54,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-07 08:18:54,171 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 117 [2024-11-07 08:18:54,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 08:18:54,175 INFO L225 Difference]: With dead ends: 105 [2024-11-07 08:18:54,175 INFO L226 Difference]: Without dead ends: 50 [2024-11-07 08:18:54,177 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 116 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 08:18:54,179 INFO L432 NwaCegarLoop]: 76 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, 76 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 08:18:54,179 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 08:18:54,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2024-11-07 08:18:54,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2024-11-07 08:18:54,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 29 states have (on average 1.1724137931034482) internal successors, (34), 29 states have internal predecessors, (34), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-07 08:18:54,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 72 transitions. [2024-11-07 08:18:54,206 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 72 transitions. Word has length 117 [2024-11-07 08:18:54,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 08:18:54,207 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 72 transitions. [2024-11-07 08:18:54,207 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-07 08:18:54,207 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 72 transitions. [2024-11-07 08:18:54,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-07 08:18:54,208 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 08:18:54,208 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:18:54,221 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 08:18:54,409 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 08:18:54,409 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 08:18:54,410 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 08:18:54,410 INFO L85 PathProgramCache]: Analyzing trace with hash -1091258423, now seen corresponding path program 1 times [2024-11-07 08:18:54,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 08:18:54,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2067340613] [2024-11-07 08:18:54,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 08:18:54,411 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 08:18:54,411 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 08:18:54,413 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 08:18:54,414 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 08:18:54,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:18:54,704 INFO L255 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-07 08:18:54,711 INFO L278 TraceCheckSpWp]: Computing forward predicates...