./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-0.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_variablewrapping_wrapper-s_file-0.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', '673f48eff2c9fa553be4e6ec558f63c53157e8de398373430e9065fe538627b8'] 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_variablewrapping_wrapper-s_file-0.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 673f48eff2c9fa553be4e6ec558f63c53157e8de398373430e9065fe538627b8 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 10:40:53,543 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 10:40:53,630 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-07 10:40:53,637 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 10:40:53,639 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 10:40:53,665 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 10:40:53,667 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 10:40:53,667 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 10:40:53,668 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 10:40:53,668 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 10:40:53,668 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 10:40:53,669 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 10:40:53,669 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 10:40:53,669 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 10:40:53,669 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 10:40:53,669 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 10:40:53,669 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 10:40:53,669 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 10:40:53,669 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 10:40:53,670 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 10:40:53,670 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 10:40:53,670 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 10:40:53,670 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 10:40:53,670 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 10:40:53,670 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 10:40:53,670 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 10:40:53,670 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 10:40:53,670 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 10:40:53,670 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 10:40:53,670 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 10:40:53,670 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 10:40:53,670 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 10:40:53,670 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 10:40:53,671 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 10:40:53,671 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 10:40:53,671 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 10:40:53,671 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 10:40:53,671 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 10:40:53,671 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 10:40:53,671 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 10:40:53,671 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 10:40:53,671 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 10:40:53,671 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 -> 673f48eff2c9fa553be4e6ec558f63c53157e8de398373430e9065fe538627b8 [2024-11-07 10:40:53,964 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 10:40:53,970 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 10:40:53,972 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 10:40:53,973 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 10:40:53,974 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 10:40:53,975 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-0.i [2024-11-07 10:40:55,269 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 10:40:55,488 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 10:40:55,489 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-0.i [2024-11-07 10:40:55,496 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/29021e230/7ec2ba3a7f604a6f8a7590a1d7c4ad39/FLAG24dd953f4 [2024-11-07 10:40:55,518 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/29021e230/7ec2ba3a7f604a6f8a7590a1d7c4ad39 [2024-11-07 10:40:55,520 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 10:40:55,523 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 10:40:55,525 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 10:40:55,525 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 10:40:55,529 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 10:40:55,530 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 10:40:55" (1/1) ... [2024-11-07 10:40:55,532 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6431c867 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:40:55, skipping insertion in model container [2024-11-07 10:40:55,532 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 10:40:55" (1/1) ... [2024-11-07 10:40:55,551 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 10:40:55,679 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_variablewrapping_wrapper-s_file-0.i[915,928] [2024-11-07 10:40:55,734 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 10:40:55,741 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 10:40:55,749 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_variablewrapping_wrapper-s_file-0.i[915,928] [2024-11-07 10:40:55,773 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 10:40:55,793 INFO L204 MainTranslator]: Completed translation [2024-11-07 10:40:55,794 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:40:55 WrapperNode [2024-11-07 10:40:55,794 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 10:40:55,795 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 10:40:55,795 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 10:40:55,795 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 10:40:55,801 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:40:55" (1/1) ... [2024-11-07 10:40:55,811 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:40:55" (1/1) ... [2024-11-07 10:40:55,841 INFO L138 Inliner]: procedures = 29, calls = 111, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 359 [2024-11-07 10:40:55,842 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 10:40:55,842 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 10:40:55,842 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 10:40:55,842 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 10:40:55,850 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:40:55" (1/1) ... [2024-11-07 10:40:55,851 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:40:55" (1/1) ... [2024-11-07 10:40:55,855 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:40:55" (1/1) ... [2024-11-07 10:40:55,872 INFO L175 MemorySlicer]: Split 91 memory accesses to 2 slices as follows [2, 89]. 98 percent of accesses are in the largest equivalence class. The 11 initializations are split as follows [2, 9]. The 13 writes are split as follows [0, 13]. [2024-11-07 10:40:55,873 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:40:55" (1/1) ... [2024-11-07 10:40:55,873 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:40:55" (1/1) ... [2024-11-07 10:40:55,889 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:40:55" (1/1) ... [2024-11-07 10:40:55,893 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:40:55" (1/1) ... [2024-11-07 10:40:55,895 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:40:55" (1/1) ... [2024-11-07 10:40:55,896 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:40:55" (1/1) ... [2024-11-07 10:40:55,899 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 10:40:55,900 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 10:40:55,901 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 10:40:55,901 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 10:40:55,902 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:40:55" (1/1) ... [2024-11-07 10:40:55,910 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 10:40:55,928 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 10:40:55,942 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 10:40:55,949 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-07 10:40:55,966 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 10:40:55,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-07 10:40:55,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-07 10:40:55,966 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2024-11-07 10:40:55,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2024-11-07 10:40:55,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2024-11-07 10:40:55,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2024-11-07 10:40:55,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-07 10:40:55,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-07 10:40:55,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2024-11-07 10:40:55,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2024-11-07 10:40:55,967 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 10:40:55,967 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 10:40:55,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 10:40:55,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-07 10:40:55,967 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 10:40:55,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 10:40:56,051 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 10:40:56,053 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 10:40:56,419 INFO L? ?]: Removed 77 outVars from TransFormulas that were not future-live. [2024-11-07 10:40:56,419 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 10:40:56,435 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 10:40:56,436 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-07 10:40:56,437 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:40:56 BoogieIcfgContainer [2024-11-07 10:40:56,437 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 10:40:56,440 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 10:40:56,440 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 10:40:56,447 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 10:40:56,447 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 10:40:55" (1/3) ... [2024-11-07 10:40:56,448 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33e3f888 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 10:40:56, skipping insertion in model container [2024-11-07 10:40:56,448 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:40:55" (2/3) ... [2024-11-07 10:40:56,448 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33e3f888 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 10:40:56, skipping insertion in model container [2024-11-07 10:40:56,448 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:40:56" (3/3) ... [2024-11-07 10:40:56,449 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-0.i [2024-11-07 10:40:56,464 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 10:40:56,465 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-07 10:40:56,539 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 10:40:56,548 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;@6b2e1692, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 10:40:56,548 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-07 10:40:56,553 INFO L276 IsEmpty]: Start isEmpty. Operand has 85 states, 74 states have (on average 1.4594594594594594) internal successors, (108), 75 states have internal predecessors, (108), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-07 10:40:56,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-07 10:40:56,560 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:40:56,560 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:40:56,561 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:40:56,564 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:40:56,564 INFO L85 PathProgramCache]: Analyzing trace with hash 1487137030, now seen corresponding path program 1 times [2024-11-07 10:40:56,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:40:56,569 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242117190] [2024-11-07 10:40:56,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:40:56,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:40:56,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:40:56,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:40:56,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:40:56,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:40:56,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:40:56,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-07 10:40:56,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:40:56,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:40:56,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:40:56,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:40:56,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:40:56,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:40:56,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:40:56,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:40:56,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:40:56,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:40:56,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:40:56,850 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-07 10:40:56,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:40:56,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [242117190] [2024-11-07 10:40:56,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [242117190] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:40:56,854 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:40:56,854 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 10:40:56,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2083424455] [2024-11-07 10:40:56,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:40:56,859 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-07 10:40:56,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:40:56,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-07 10:40:56,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-07 10:40:56,878 INFO L87 Difference]: Start difference. First operand has 85 states, 74 states have (on average 1.4594594594594594) internal successors, (108), 75 states have internal predecessors, (108), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-07 10:40:56,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:40:56,901 INFO L93 Difference]: Finished difference Result 160 states and 245 transitions. [2024-11-07 10:40:56,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-07 10:40:56,906 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) Word has length 78 [2024-11-07 10:40:56,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:40:56,912 INFO L225 Difference]: With dead ends: 160 [2024-11-07 10:40:56,913 INFO L226 Difference]: Without dead ends: 78 [2024-11-07 10:40:56,915 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 26 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 10:40:56,918 INFO L432 NwaCegarLoop]: 108 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, 108 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 10:40:56,919 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 10:40:56,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2024-11-07 10:40:56,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2024-11-07 10:40:56,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 68 states have (on average 1.3529411764705883) internal successors, (92), 68 states have internal predecessors, (92), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-07 10:40:56,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 108 transitions. [2024-11-07 10:40:56,953 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 108 transitions. Word has length 78 [2024-11-07 10:40:56,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:40:56,954 INFO L471 AbstractCegarLoop]: Abstraction has 78 states and 108 transitions. [2024-11-07 10:40:56,954 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-07 10:40:56,954 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 108 transitions. [2024-11-07 10:40:56,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-07 10:40:56,956 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:40:56,956 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:40:56,957 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 10:40:56,957 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:40:56,957 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:40:56,957 INFO L85 PathProgramCache]: Analyzing trace with hash 1976566482, now seen corresponding path program 1 times [2024-11-07 10:40:56,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:40:56,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [74547518] [2024-11-07 10:40:56,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:40:56,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:40:56,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:40:57,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 10:40:57,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:40:57,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 10:40:57,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:40:57,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-07 10:40:57,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:40:57,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 10:40:57,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:40:57,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 10:40:57,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:40:57,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 10:40:57,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:40:57,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 10:40:57,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:40:57,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 10:40:57,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:40:57,188 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-07 10:40:57,189 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 10:40:57,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [74547518] [2024-11-07 10:40:57,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [74547518] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:40:57,189 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:40:57,189 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 10:40:57,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2119607075] [2024-11-07 10:40:57,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:40:57,192 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 10:40:57,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 10:40:57,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 10:40:57,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 10:40:57,193 INFO L87 Difference]: Start difference. First operand 78 states and 108 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-07 10:40:57,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:40:57,255 INFO L93 Difference]: Finished difference Result 155 states and 216 transitions. [2024-11-07 10:40:57,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 10:40:57,256 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 78 [2024-11-07 10:40:57,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:40:57,257 INFO L225 Difference]: With dead ends: 155 [2024-11-07 10:40:57,258 INFO L226 Difference]: Without dead ends: 80 [2024-11-07 10:40:57,259 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 10:40:57,260 INFO L432 NwaCegarLoop]: 106 mSDtfsCounter, 0 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 307 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 10:40:57,262 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 307 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 10:40:57,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2024-11-07 10:40:57,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2024-11-07 10:40:57,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 70 states have (on average 1.3428571428571427) internal successors, (94), 70 states have internal predecessors, (94), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-07 10:40:57,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 110 transitions. [2024-11-07 10:40:57,275 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 110 transitions. Word has length 78 [2024-11-07 10:40:57,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:40:57,277 INFO L471 AbstractCegarLoop]: Abstraction has 80 states and 110 transitions. [2024-11-07 10:40:57,277 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-07 10:40:57,277 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 110 transitions. [2024-11-07 10:40:57,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-07 10:40:57,281 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:40:57,281 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:40:57,281 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 10:40:57,281 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:40:57,282 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:40:57,282 INFO L85 PathProgramCache]: Analyzing trace with hash 14991824, now seen corresponding path program 1 times [2024-11-07 10:40:57,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 10:40:57,282 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [272582120] [2024-11-07 10:40:57,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:40:57,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 10:40:57,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 10:40:57,355 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-07 10:40:57,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 10:40:57,461 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-07 10:40:57,461 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-07 10:40:57,462 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-07 10:40:57,464 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-07 10:40:57,468 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-07 10:40:57,532 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-07 10:40:57,537 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 10:40:57 BoogieIcfgContainer [2024-11-07 10:40:57,538 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-07 10:40:57,538 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-07 10:40:57,539 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-07 10:40:57,539 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-07 10:40:57,539 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:40:56" (3/4) ... [2024-11-07 10:40:57,541 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-07 10:40:57,542 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-07 10:40:57,543 INFO L158 Benchmark]: Toolchain (without parser) took 2020.44ms. Allocated memory was 117.4MB in the beginning and 159.4MB in the end (delta: 41.9MB). Free memory was 91.7MB in the beginning and 110.3MB in the end (delta: -18.6MB). Peak memory consumption was 24.5MB. Max. memory is 16.1GB. [2024-11-07 10:40:57,543 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 117.4MB. Free memory is still 81.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 10:40:57,544 INFO L158 Benchmark]: CACSL2BoogieTranslator took 269.43ms. Allocated memory is still 117.4MB. Free memory was 91.5MB in the beginning and 77.5MB in the end (delta: 14.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-07 10:40:57,544 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.38ms. Allocated memory is still 117.4MB. Free memory was 77.5MB in the beginning and 74.6MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 10:40:57,544 INFO L158 Benchmark]: Boogie Preprocessor took 57.59ms. Allocated memory is still 117.4MB. Free memory was 74.4MB in the beginning and 71.3MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 10:40:57,544 INFO L158 Benchmark]: RCFGBuilder took 537.44ms. Allocated memory is still 117.4MB. Free memory was 71.3MB in the beginning and 48.4MB in the end (delta: 22.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-07 10:40:57,545 INFO L158 Benchmark]: TraceAbstraction took 1098.24ms. Allocated memory was 117.4MB in the beginning and 159.4MB in the end (delta: 41.9MB). Free memory was 47.7MB in the beginning and 110.3MB in the end (delta: -62.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 10:40:57,545 INFO L158 Benchmark]: Witness Printer took 3.76ms. Allocated memory is still 159.4MB. Free memory was 110.3MB in the beginning and 110.3MB in the end (delta: 22.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 10:40:57,547 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 117.4MB. Free memory is still 81.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 269.43ms. Allocated memory is still 117.4MB. Free memory was 91.5MB in the beginning and 77.5MB in the end (delta: 14.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.38ms. Allocated memory is still 117.4MB. Free memory was 77.5MB in the beginning and 74.6MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 57.59ms. Allocated memory is still 117.4MB. Free memory was 74.4MB in the beginning and 71.3MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 537.44ms. Allocated memory is still 117.4MB. Free memory was 71.3MB in the beginning and 48.4MB in the end (delta: 22.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1098.24ms. Allocated memory was 117.4MB in the beginning and 159.4MB in the end (delta: 41.9MB). Free memory was 47.7MB in the beginning and 110.3MB in the end (delta: -62.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.76ms. Allocated memory is still 159.4MB. Free memory was 110.3MB in the beginning and 110.3MB in the end (delta: 22.5kB). 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 someBinaryDOUBLEComparisonOperation at line 103, overapproximation of someBinaryArithmeticDOUBLEoperation at line 62. Possible FailurePath: [L33] unsigned char isInitial = 0; [L34-L44] struct WrapperStruct0 WrapperStruct0 = { 25.8, 1, 128.2, 15.4, 5.25, 1, 100, 1, 5 }; [L34-L44] struct WrapperStruct0 WrapperStruct0 = { 25.8, 1, 128.2, 15.4, 5.25, 1, 100, 1, 5 }; [L34-L44] struct WrapperStruct0 WrapperStruct0 = { 25.8, 1, 128.2, 15.4, 5.25, 1, 100, 1, 5 }; [L34-L44] struct WrapperStruct0 WrapperStruct0 = { 25.8, 1, 128.2, 15.4, 5.25, 1, 100, 1, 5 }; [L34-L44] struct WrapperStruct0 WrapperStruct0 = { 25.8, 1, 128.2, 15.4, 5.25, 1, 100, 1, 5 }; [L34-L44] struct WrapperStruct0 WrapperStruct0 = { 25.8, 1, 128.2, 15.4, 5.25, 1, 100, 1, 5 }; [L34-L44] struct WrapperStruct0 WrapperStruct0 = { 25.8, 1, 128.2, 15.4, 5.25, 1, 100, 1, 5 }; [L34-L44] struct WrapperStruct0 WrapperStruct0 = { 25.8, 1, 128.2, 15.4, 5.25, 1, 100, 1, 5 }; [L34-L44] struct WrapperStruct0 WrapperStruct0 = { 25.8, 1, 128.2, 15.4, 5.25, 1, 100, 1, 5 }; [L34-L44] struct WrapperStruct0 WrapperStruct0 = { 25.8, 1, 128.2, 15.4, 5.25, 1, 100, 1, 5 }; [L45] double last_1_WrapperStruct0_var_1_5 = 5.25; [L46] unsigned char last_1_WrapperStruct0_var_1_10 = 100; [L47] unsigned short int last_1_WrapperStruct0_var_1_13 = 5; VAL [WrapperStruct0={4:0}, isInitial=0, last_1_WrapperStruct0_var_1_10=100, last_1_WrapperStruct0_var_1_13=5, last_1_WrapperStruct0_var_1_5=21/4] [L107] isInitial = 1 [L108] FCALL initially() [L109] COND TRUE 1 [L110] CALL updateLastVariables() [L98] EXPR WrapperStruct0.var_1_5 [L98] last_1_WrapperStruct0_var_1_5 = WrapperStruct0.var_1_5 [L99] EXPR WrapperStruct0.var_1_10 [L99] last_1_WrapperStruct0_var_1_10 = WrapperStruct0.var_1_10 [L100] EXPR WrapperStruct0.var_1_13 [L100] last_1_WrapperStruct0_var_1_13 = WrapperStruct0.var_1_13 [L110] RET updateLastVariables() [L111] CALL updateVariables() [L83] WrapperStruct0.var_1_2 = __VERIFIER_nondet_uchar() [L84] EXPR WrapperStruct0.var_1_2 VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_10=100, last_1_WrapperStruct0_var_1_13=5, last_1_WrapperStruct0_var_1_5=21/4] [L84] CALL assume_abort_if_not(WrapperStruct0.var_1_2 >= 0) VAL [WrapperStruct0={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct0_var_1_10=100, last_1_WrapperStruct0_var_1_13=5, last_1_WrapperStruct0_var_1_5=21/4] [L20] COND FALSE !(!cond) VAL [WrapperStruct0={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct0_var_1_10=100, last_1_WrapperStruct0_var_1_13=5, last_1_WrapperStruct0_var_1_5=21/4] [L84] RET assume_abort_if_not(WrapperStruct0.var_1_2 >= 0) VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_10=100, last_1_WrapperStruct0_var_1_13=5, last_1_WrapperStruct0_var_1_5=21/4] [L85] EXPR WrapperStruct0.var_1_2 VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_10=100, last_1_WrapperStruct0_var_1_13=5, last_1_WrapperStruct0_var_1_5=21/4] [L85] CALL assume_abort_if_not(WrapperStruct0.var_1_2 <= 1) VAL [WrapperStruct0={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct0_var_1_10=100, last_1_WrapperStruct0_var_1_13=5, last_1_WrapperStruct0_var_1_5=21/4] [L20] COND FALSE !(!cond) VAL [WrapperStruct0={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct0_var_1_10=100, last_1_WrapperStruct0_var_1_13=5, last_1_WrapperStruct0_var_1_5=21/4] [L85] RET assume_abort_if_not(WrapperStruct0.var_1_2 <= 1) VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_10=100, last_1_WrapperStruct0_var_1_13=5, last_1_WrapperStruct0_var_1_5=21/4] [L86] WrapperStruct0.var_1_3 = __VERIFIER_nondet_double() [L87] EXPR WrapperStruct0.var_1_3 [L87] EXPR WrapperStruct0.var_1_3 >= 0.0F && WrapperStruct0.var_1_3 <= -1.0e-20F VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_10=100, last_1_WrapperStruct0_var_1_13=5, last_1_WrapperStruct0_var_1_5=21/4] [L87] EXPR WrapperStruct0.var_1_3 >= 0.0F && WrapperStruct0.var_1_3 <= -1.0e-20F [L87] EXPR WrapperStruct0.var_1_3 [L87] EXPR WrapperStruct0.var_1_3 >= 0.0F && WrapperStruct0.var_1_3 <= -1.0e-20F VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_10=100, last_1_WrapperStruct0_var_1_13=5, last_1_WrapperStruct0_var_1_5=21/4] [L87] EXPR (WrapperStruct0.var_1_3 >= 0.0F && WrapperStruct0.var_1_3 <= -1.0e-20F) || (WrapperStruct0.var_1_3 <= 9223372.036854765600e+12F && WrapperStruct0.var_1_3 >= 1.0e-20F ) VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_10=100, last_1_WrapperStruct0_var_1_13=5, last_1_WrapperStruct0_var_1_5=21/4] [L87] EXPR (WrapperStruct0.var_1_3 >= 0.0F && WrapperStruct0.var_1_3 <= -1.0e-20F) || (WrapperStruct0.var_1_3 <= 9223372.036854765600e+12F && WrapperStruct0.var_1_3 >= 1.0e-20F ) VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_10=100, last_1_WrapperStruct0_var_1_13=5, last_1_WrapperStruct0_var_1_5=21/4] [L87] CALL assume_abort_if_not((WrapperStruct0.var_1_3 >= 0.0F && WrapperStruct0.var_1_3 <= -1.0e-20F) || (WrapperStruct0.var_1_3 <= 9223372.036854765600e+12F && WrapperStruct0.var_1_3 >= 1.0e-20F )) VAL [WrapperStruct0={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct0_var_1_10=100, last_1_WrapperStruct0_var_1_13=5, last_1_WrapperStruct0_var_1_5=21/4] [L20] COND FALSE !(!cond) VAL [WrapperStruct0={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct0_var_1_10=100, last_1_WrapperStruct0_var_1_13=5, last_1_WrapperStruct0_var_1_5=21/4] [L87] RET assume_abort_if_not((WrapperStruct0.var_1_3 >= 0.0F && WrapperStruct0.var_1_3 <= -1.0e-20F) || (WrapperStruct0.var_1_3 <= 9223372.036854765600e+12F && WrapperStruct0.var_1_3 >= 1.0e-20F )) VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_10=100, last_1_WrapperStruct0_var_1_13=5, last_1_WrapperStruct0_var_1_5=21/4] [L88] WrapperStruct0.var_1_4 = __VERIFIER_nondet_double() [L89] EXPR WrapperStruct0.var_1_4 [L89] EXPR WrapperStruct0.var_1_4 >= 0.0F && WrapperStruct0.var_1_4 <= -1.0e-20F VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_10=100, last_1_WrapperStruct0_var_1_13=5, last_1_WrapperStruct0_var_1_5=21/4] [L89] EXPR WrapperStruct0.var_1_4 >= 0.0F && WrapperStruct0.var_1_4 <= -1.0e-20F [L89] EXPR WrapperStruct0.var_1_4 [L89] EXPR WrapperStruct0.var_1_4 >= 0.0F && WrapperStruct0.var_1_4 <= -1.0e-20F VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_10=100, last_1_WrapperStruct0_var_1_13=5, last_1_WrapperStruct0_var_1_5=21/4] [L89] EXPR (WrapperStruct0.var_1_4 >= 0.0F && WrapperStruct0.var_1_4 <= -1.0e-20F) || (WrapperStruct0.var_1_4 <= 9223372.036854765600e+12F && WrapperStruct0.var_1_4 >= 1.0e-20F ) VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_10=100, last_1_WrapperStruct0_var_1_13=5, last_1_WrapperStruct0_var_1_5=21/4] [L89] EXPR (WrapperStruct0.var_1_4 >= 0.0F && WrapperStruct0.var_1_4 <= -1.0e-20F) || (WrapperStruct0.var_1_4 <= 9223372.036854765600e+12F && WrapperStruct0.var_1_4 >= 1.0e-20F ) VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_10=100, last_1_WrapperStruct0_var_1_13=5, last_1_WrapperStruct0_var_1_5=21/4] [L89] CALL assume_abort_if_not((WrapperStruct0.var_1_4 >= 0.0F && WrapperStruct0.var_1_4 <= -1.0e-20F) || (WrapperStruct0.var_1_4 <= 9223372.036854765600e+12F && WrapperStruct0.var_1_4 >= 1.0e-20F )) VAL [WrapperStruct0={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct0_var_1_10=100, last_1_WrapperStruct0_var_1_13=5, last_1_WrapperStruct0_var_1_5=21/4] [L20] COND FALSE !(!cond) VAL [WrapperStruct0={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct0_var_1_10=100, last_1_WrapperStruct0_var_1_13=5, last_1_WrapperStruct0_var_1_5=21/4] [L89] RET assume_abort_if_not((WrapperStruct0.var_1_4 >= 0.0F && WrapperStruct0.var_1_4 <= -1.0e-20F) || (WrapperStruct0.var_1_4 <= 9223372.036854765600e+12F && WrapperStruct0.var_1_4 >= 1.0e-20F )) VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_10=100, last_1_WrapperStruct0_var_1_13=5, last_1_WrapperStruct0_var_1_5=21/4] [L90] WrapperStruct0.var_1_9 = __VERIFIER_nondet_uchar() [L91] EXPR WrapperStruct0.var_1_9 VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_10=100, last_1_WrapperStruct0_var_1_13=5, last_1_WrapperStruct0_var_1_5=21/4] [L91] CALL assume_abort_if_not(WrapperStruct0.var_1_9 >= 0) VAL [WrapperStruct0={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct0_var_1_10=100, last_1_WrapperStruct0_var_1_13=5, last_1_WrapperStruct0_var_1_5=21/4] [L20] COND FALSE !(!cond) VAL [WrapperStruct0={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct0_var_1_10=100, last_1_WrapperStruct0_var_1_13=5, last_1_WrapperStruct0_var_1_5=21/4] [L91] RET assume_abort_if_not(WrapperStruct0.var_1_9 >= 0) VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_10=100, last_1_WrapperStruct0_var_1_13=5, last_1_WrapperStruct0_var_1_5=21/4] [L92] EXPR WrapperStruct0.var_1_9 VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_10=100, last_1_WrapperStruct0_var_1_13=5, last_1_WrapperStruct0_var_1_5=21/4] [L92] CALL assume_abort_if_not(WrapperStruct0.var_1_9 <= 1) VAL [WrapperStruct0={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct0_var_1_10=100, last_1_WrapperStruct0_var_1_13=5, last_1_WrapperStruct0_var_1_5=21/4] [L20] COND FALSE !(!cond) VAL [WrapperStruct0={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct0_var_1_10=100, last_1_WrapperStruct0_var_1_13=5, last_1_WrapperStruct0_var_1_5=21/4] [L92] RET assume_abort_if_not(WrapperStruct0.var_1_9 <= 1) VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_10=100, last_1_WrapperStruct0_var_1_13=5, last_1_WrapperStruct0_var_1_5=21/4] [L93] WrapperStruct0.var_1_12 = __VERIFIER_nondet_uchar() [L94] EXPR WrapperStruct0.var_1_12 VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_10=100, last_1_WrapperStruct0_var_1_13=5, last_1_WrapperStruct0_var_1_5=21/4] [L94] CALL assume_abort_if_not(WrapperStruct0.var_1_12 >= 0) VAL [WrapperStruct0={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct0_var_1_10=100, last_1_WrapperStruct0_var_1_13=5, last_1_WrapperStruct0_var_1_5=21/4] [L20] COND FALSE !(!cond) VAL [WrapperStruct0={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct0_var_1_10=100, last_1_WrapperStruct0_var_1_13=5, last_1_WrapperStruct0_var_1_5=21/4] [L94] RET assume_abort_if_not(WrapperStruct0.var_1_12 >= 0) VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_10=100, last_1_WrapperStruct0_var_1_13=5, last_1_WrapperStruct0_var_1_5=21/4] [L95] EXPR WrapperStruct0.var_1_12 VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_10=100, last_1_WrapperStruct0_var_1_13=5, last_1_WrapperStruct0_var_1_5=21/4] [L95] CALL assume_abort_if_not(WrapperStruct0.var_1_12 <= 254) VAL [WrapperStruct0={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct0_var_1_10=100, last_1_WrapperStruct0_var_1_13=5, last_1_WrapperStruct0_var_1_5=21/4] [L20] COND FALSE !(!cond) VAL [WrapperStruct0={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct0_var_1_10=100, last_1_WrapperStruct0_var_1_13=5, last_1_WrapperStruct0_var_1_5=21/4] [L95] RET assume_abort_if_not(WrapperStruct0.var_1_12 <= 254) VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_10=100, last_1_WrapperStruct0_var_1_13=5, last_1_WrapperStruct0_var_1_5=21/4] [L111] RET updateVariables() [L112] CALL step() [L51] WrapperStruct0.var_1_9 VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_10=100, last_1_WrapperStruct0_var_1_13=5, last_1_WrapperStruct0_var_1_5=21/4] [L51] COND FALSE !(WrapperStruct0.var_1_9) [L56] COND FALSE !((last_1_WrapperStruct0_var_1_13 + last_1_WrapperStruct0_var_1_13) < last_1_WrapperStruct0_var_1_13) VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_10=100, last_1_WrapperStruct0_var_1_13=5, last_1_WrapperStruct0_var_1_5=21/4] [L61] EXPR WrapperStruct0.var_1_2 VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_10=100, last_1_WrapperStruct0_var_1_13=5, last_1_WrapperStruct0_var_1_5=21/4] [L61] COND TRUE ! WrapperStruct0.var_1_2 [L62] EXPR WrapperStruct0.var_1_3 [L62] EXPR WrapperStruct0.var_1_4 [L62] WrapperStruct0.var_1_1 = (WrapperStruct0.var_1_3 - WrapperStruct0.var_1_4) [L66] EXPR WrapperStruct0.var_1_3 [L66] EXPR WrapperStruct0.var_1_4 [L66] EXPR WrapperStruct0.var_1_1 [L66] EXPR WrapperStruct0.var_1_1 VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_10=100, last_1_WrapperStruct0_var_1_13=5, last_1_WrapperStruct0_var_1_5=21/4] [L66] COND FALSE !((WrapperStruct0.var_1_3 + (WrapperStruct0.var_1_4 + WrapperStruct0.var_1_1)) != WrapperStruct0.var_1_1) [L79] EXPR WrapperStruct0.var_1_3 [L79] WrapperStruct0.var_1_5 = WrapperStruct0.var_1_3 [L112] RET step() [L113] CALL, EXPR property() [L103] EXPR WrapperStruct0.var_1_2 VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_10=100, last_1_WrapperStruct0_var_1_13=5, last_1_WrapperStruct0_var_1_5=21/4] [L103] EXPR (! WrapperStruct0.var_1_2) ? (WrapperStruct0.var_1_1 == ((double) (WrapperStruct0.var_1_3 - WrapperStruct0.var_1_4))) : (WrapperStruct0.var_1_1 == ((double) ((((16.2) < (WrapperStruct0.var_1_3)) ? (16.2) : (WrapperStruct0.var_1_3))))) [L103] EXPR WrapperStruct0.var_1_1 [L103] EXPR WrapperStruct0.var_1_3 [L103] EXPR WrapperStruct0.var_1_4 [L103] EXPR (! WrapperStruct0.var_1_2) ? (WrapperStruct0.var_1_1 == ((double) (WrapperStruct0.var_1_3 - WrapperStruct0.var_1_4))) : (WrapperStruct0.var_1_1 == ((double) ((((16.2) < (WrapperStruct0.var_1_3)) ? (16.2) : (WrapperStruct0.var_1_3))))) VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_10=100, last_1_WrapperStruct0_var_1_13=5, last_1_WrapperStruct0_var_1_5=21/4] [L103] EXPR ((! WrapperStruct0.var_1_2) ? (WrapperStruct0.var_1_1 == ((double) (WrapperStruct0.var_1_3 - WrapperStruct0.var_1_4))) : (WrapperStruct0.var_1_1 == ((double) ((((16.2) < (WrapperStruct0.var_1_3)) ? (16.2) : (WrapperStruct0.var_1_3)))))) && (((WrapperStruct0.var_1_3 + (WrapperStruct0.var_1_4 + WrapperStruct0.var_1_1)) != WrapperStruct0.var_1_1) ? (WrapperStruct0.var_1_2 ? (((- WrapperStruct0.var_1_13) <= WrapperStruct0.var_1_10) ? (WrapperStruct0.var_1_9 ? (WrapperStruct0.var_1_5 == ((double) WrapperStruct0.var_1_4)) : 1) : (WrapperStruct0.var_1_5 == ((double) WrapperStruct0.var_1_3))) : (WrapperStruct0.var_1_5 == ((double) WrapperStruct0.var_1_3))) : (WrapperStruct0.var_1_5 == ((double) WrapperStruct0.var_1_3))) VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_10=100, last_1_WrapperStruct0_var_1_13=5, last_1_WrapperStruct0_var_1_5=21/4] [L103] EXPR ((! WrapperStruct0.var_1_2) ? (WrapperStruct0.var_1_1 == ((double) (WrapperStruct0.var_1_3 - WrapperStruct0.var_1_4))) : (WrapperStruct0.var_1_1 == ((double) ((((16.2) < (WrapperStruct0.var_1_3)) ? (16.2) : (WrapperStruct0.var_1_3)))))) && (((WrapperStruct0.var_1_3 + (WrapperStruct0.var_1_4 + WrapperStruct0.var_1_1)) != WrapperStruct0.var_1_1) ? (WrapperStruct0.var_1_2 ? (((- WrapperStruct0.var_1_13) <= WrapperStruct0.var_1_10) ? (WrapperStruct0.var_1_9 ? (WrapperStruct0.var_1_5 == ((double) WrapperStruct0.var_1_4)) : 1) : (WrapperStruct0.var_1_5 == ((double) WrapperStruct0.var_1_3))) : (WrapperStruct0.var_1_5 == ((double) WrapperStruct0.var_1_3))) : (WrapperStruct0.var_1_5 == ((double) WrapperStruct0.var_1_3))) VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_10=100, last_1_WrapperStruct0_var_1_13=5, last_1_WrapperStruct0_var_1_5=21/4] [L103] EXPR (((! WrapperStruct0.var_1_2) ? (WrapperStruct0.var_1_1 == ((double) (WrapperStruct0.var_1_3 - WrapperStruct0.var_1_4))) : (WrapperStruct0.var_1_1 == ((double) ((((16.2) < (WrapperStruct0.var_1_3)) ? (16.2) : (WrapperStruct0.var_1_3)))))) && (((WrapperStruct0.var_1_3 + (WrapperStruct0.var_1_4 + WrapperStruct0.var_1_1)) != WrapperStruct0.var_1_1) ? (WrapperStruct0.var_1_2 ? (((- WrapperStruct0.var_1_13) <= WrapperStruct0.var_1_10) ? (WrapperStruct0.var_1_9 ? (WrapperStruct0.var_1_5 == ((double) WrapperStruct0.var_1_4)) : 1) : (WrapperStruct0.var_1_5 == ((double) WrapperStruct0.var_1_3))) : (WrapperStruct0.var_1_5 == ((double) WrapperStruct0.var_1_3))) : (WrapperStruct0.var_1_5 == ((double) WrapperStruct0.var_1_3)))) && (((last_1_WrapperStruct0_var_1_13 + last_1_WrapperStruct0_var_1_13) < last_1_WrapperStruct0_var_1_13) ? ((last_1_WrapperStruct0_var_1_13 > last_1_WrapperStruct0_var_1_13) ? (WrapperStruct0.var_1_10 == ((unsigned char) WrapperStruct0.var_1_12)) : 1) : 1) VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_10=100, last_1_WrapperStruct0_var_1_13=5, last_1_WrapperStruct0_var_1_5=21/4] [L103] EXPR (((! WrapperStruct0.var_1_2) ? (WrapperStruct0.var_1_1 == ((double) (WrapperStruct0.var_1_3 - WrapperStruct0.var_1_4))) : (WrapperStruct0.var_1_1 == ((double) ((((16.2) < (WrapperStruct0.var_1_3)) ? (16.2) : (WrapperStruct0.var_1_3)))))) && (((WrapperStruct0.var_1_3 + (WrapperStruct0.var_1_4 + WrapperStruct0.var_1_1)) != WrapperStruct0.var_1_1) ? (WrapperStruct0.var_1_2 ? (((- WrapperStruct0.var_1_13) <= WrapperStruct0.var_1_10) ? (WrapperStruct0.var_1_9 ? (WrapperStruct0.var_1_5 == ((double) WrapperStruct0.var_1_4)) : 1) : (WrapperStruct0.var_1_5 == ((double) WrapperStruct0.var_1_3))) : (WrapperStruct0.var_1_5 == ((double) WrapperStruct0.var_1_3))) : (WrapperStruct0.var_1_5 == ((double) WrapperStruct0.var_1_3)))) && (((last_1_WrapperStruct0_var_1_13 + last_1_WrapperStruct0_var_1_13) < last_1_WrapperStruct0_var_1_13) ? ((last_1_WrapperStruct0_var_1_13 > last_1_WrapperStruct0_var_1_13) ? (WrapperStruct0.var_1_10 == ((unsigned char) WrapperStruct0.var_1_12)) : 1) : 1) VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_10=100, last_1_WrapperStruct0_var_1_13=5, last_1_WrapperStruct0_var_1_5=21/4] [L103] EXPR ((((! WrapperStruct0.var_1_2) ? (WrapperStruct0.var_1_1 == ((double) (WrapperStruct0.var_1_3 - WrapperStruct0.var_1_4))) : (WrapperStruct0.var_1_1 == ((double) ((((16.2) < (WrapperStruct0.var_1_3)) ? (16.2) : (WrapperStruct0.var_1_3)))))) && (((WrapperStruct0.var_1_3 + (WrapperStruct0.var_1_4 + WrapperStruct0.var_1_1)) != WrapperStruct0.var_1_1) ? (WrapperStruct0.var_1_2 ? (((- WrapperStruct0.var_1_13) <= WrapperStruct0.var_1_10) ? (WrapperStruct0.var_1_9 ? (WrapperStruct0.var_1_5 == ((double) WrapperStruct0.var_1_4)) : 1) : (WrapperStruct0.var_1_5 == ((double) WrapperStruct0.var_1_3))) : (WrapperStruct0.var_1_5 == ((double) WrapperStruct0.var_1_3))) : (WrapperStruct0.var_1_5 == ((double) WrapperStruct0.var_1_3)))) && (((last_1_WrapperStruct0_var_1_13 + last_1_WrapperStruct0_var_1_13) < last_1_WrapperStruct0_var_1_13) ? ((last_1_WrapperStruct0_var_1_13 > last_1_WrapperStruct0_var_1_13) ? (WrapperStruct0.var_1_10 == ((unsigned char) WrapperStruct0.var_1_12)) : 1) : 1)) && (WrapperStruct0.var_1_9 ? (((WrapperStruct0.var_1_4 * (WrapperStruct0.var_1_3 - 5.3)) <= last_1_WrapperStruct0_var_1_5) ? (WrapperStruct0.var_1_13 == ((unsigned short int) last_1_WrapperStruct0_var_1_10)) : 1) : 1) VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_10=100, last_1_WrapperStruct0_var_1_13=5, last_1_WrapperStruct0_var_1_5=21/4] [L103] EXPR ((((! WrapperStruct0.var_1_2) ? (WrapperStruct0.var_1_1 == ((double) (WrapperStruct0.var_1_3 - WrapperStruct0.var_1_4))) : (WrapperStruct0.var_1_1 == ((double) ((((16.2) < (WrapperStruct0.var_1_3)) ? (16.2) : (WrapperStruct0.var_1_3)))))) && (((WrapperStruct0.var_1_3 + (WrapperStruct0.var_1_4 + WrapperStruct0.var_1_1)) != WrapperStruct0.var_1_1) ? (WrapperStruct0.var_1_2 ? (((- WrapperStruct0.var_1_13) <= WrapperStruct0.var_1_10) ? (WrapperStruct0.var_1_9 ? (WrapperStruct0.var_1_5 == ((double) WrapperStruct0.var_1_4)) : 1) : (WrapperStruct0.var_1_5 == ((double) WrapperStruct0.var_1_3))) : (WrapperStruct0.var_1_5 == ((double) WrapperStruct0.var_1_3))) : (WrapperStruct0.var_1_5 == ((double) WrapperStruct0.var_1_3)))) && (((last_1_WrapperStruct0_var_1_13 + last_1_WrapperStruct0_var_1_13) < last_1_WrapperStruct0_var_1_13) ? ((last_1_WrapperStruct0_var_1_13 > last_1_WrapperStruct0_var_1_13) ? (WrapperStruct0.var_1_10 == ((unsigned char) WrapperStruct0.var_1_12)) : 1) : 1)) && (WrapperStruct0.var_1_9 ? (((WrapperStruct0.var_1_4 * (WrapperStruct0.var_1_3 - 5.3)) <= last_1_WrapperStruct0_var_1_5) ? (WrapperStruct0.var_1_13 == ((unsigned short int) last_1_WrapperStruct0_var_1_10)) : 1) : 1) VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_10=100, last_1_WrapperStruct0_var_1_13=5, last_1_WrapperStruct0_var_1_5=21/4] [L103-L104] return ((((! WrapperStruct0.var_1_2) ? (WrapperStruct0.var_1_1 == ((double) (WrapperStruct0.var_1_3 - WrapperStruct0.var_1_4))) : (WrapperStruct0.var_1_1 == ((double) ((((16.2) < (WrapperStruct0.var_1_3)) ? (16.2) : (WrapperStruct0.var_1_3)))))) && (((WrapperStruct0.var_1_3 + (WrapperStruct0.var_1_4 + WrapperStruct0.var_1_1)) != WrapperStruct0.var_1_1) ? (WrapperStruct0.var_1_2 ? (((- WrapperStruct0.var_1_13) <= WrapperStruct0.var_1_10) ? (WrapperStruct0.var_1_9 ? (WrapperStruct0.var_1_5 == ((double) WrapperStruct0.var_1_4)) : 1) : (WrapperStruct0.var_1_5 == ((double) WrapperStruct0.var_1_3))) : (WrapperStruct0.var_1_5 == ((double) WrapperStruct0.var_1_3))) : (WrapperStruct0.var_1_5 == ((double) WrapperStruct0.var_1_3)))) && (((last_1_WrapperStruct0_var_1_13 + last_1_WrapperStruct0_var_1_13) < last_1_WrapperStruct0_var_1_13) ? ((last_1_WrapperStruct0_var_1_13 > last_1_WrapperStruct0_var_1_13) ? (WrapperStruct0.var_1_10 == ((unsigned char) WrapperStruct0.var_1_12)) : 1) : 1)) && (WrapperStruct0.var_1_9 ? (((WrapperStruct0.var_1_4 * (WrapperStruct0.var_1_3 - 5.3)) <= last_1_WrapperStruct0_var_1_5) ? (WrapperStruct0.var_1_13 == ((unsigned short int) last_1_WrapperStruct0_var_1_10)) : 1) : 1) ; [L113] RET, EXPR property() [L113] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_10=100, last_1_WrapperStruct0_var_1_13=5, last_1_WrapperStruct0_var_1_5=21/4] [L19] reach_error() VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_10=100, last_1_WrapperStruct0_var_1_13=5, last_1_WrapperStruct0_var_1_5=21/4] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 85 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 3, TraceHistogramMax: 8, 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, 415 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 201 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 16 IncrementalHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 214 mSDtfsCounter, 16 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 46 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=85occurred in iteration=0, InterpolantAutomatonStates: 6, 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 234 NumberOfCodeBlocks, 234 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 154 ConstructedInterpolants, 0 QuantifiedInterpolants, 156 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 224/224 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 10:40:57,578 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-0.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 673f48eff2c9fa553be4e6ec558f63c53157e8de398373430e9065fe538627b8 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 10:40:59,791 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 10:40:59,902 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-07 10:40:59,907 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 10:40:59,910 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 10:40:59,937 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 10:40:59,937 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 10:40:59,938 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 10:40:59,938 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 10:40:59,938 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 10:40:59,938 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 10:40:59,938 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 10:40:59,939 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 10:40:59,939 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 10:40:59,939 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 10:40:59,939 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 10:40:59,939 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 10:40:59,940 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 10:40:59,940 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 10:40:59,940 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 10:40:59,940 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 10:40:59,940 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 10:40:59,940 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 10:40:59,940 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-07 10:40:59,941 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-07 10:40:59,941 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 10:40:59,941 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-07 10:40:59,941 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 10:40:59,941 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 10:40:59,941 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 10:40:59,941 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 10:40:59,941 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 10:40:59,942 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 10:40:59,942 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 10:40:59,942 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 10:40:59,942 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 10:40:59,942 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 10:40:59,942 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 10:40:59,942 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-07 10:40:59,942 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-07 10:40:59,943 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 10:40:59,943 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 10:40:59,943 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 10:40:59,943 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 10:40:59,943 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 -> 673f48eff2c9fa553be4e6ec558f63c53157e8de398373430e9065fe538627b8 [2024-11-07 10:41:00,216 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 10:41:00,223 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 10:41:00,226 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 10:41:00,228 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 10:41:00,228 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 10:41:00,229 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-0.i [2024-11-07 10:41:01,615 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 10:41:01,861 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 10:41:01,864 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-0.i [2024-11-07 10:41:01,875 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/9abbe4ede/f0f07d3ea44d41e29ba1d2f151bc3f58/FLAG138ecc880 [2024-11-07 10:41:02,187 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/9abbe4ede/f0f07d3ea44d41e29ba1d2f151bc3f58 [2024-11-07 10:41:02,189 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 10:41:02,191 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 10:41:02,192 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 10:41:02,192 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 10:41:02,195 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 10:41:02,196 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 10:41:02" (1/1) ... [2024-11-07 10:41:02,196 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43c283b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:41:02, skipping insertion in model container [2024-11-07 10:41:02,197 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 10:41:02" (1/1) ... [2024-11-07 10:41:02,217 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 10:41:02,358 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_variablewrapping_wrapper-s_file-0.i[915,928] [2024-11-07 10:41:02,405 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 10:41:02,427 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 10:41:02,440 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_variablewrapping_wrapper-s_file-0.i[915,928] [2024-11-07 10:41:02,472 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 10:41:02,497 INFO L204 MainTranslator]: Completed translation [2024-11-07 10:41:02,498 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:41:02 WrapperNode [2024-11-07 10:41:02,498 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 10:41:02,499 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 10:41:02,499 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 10:41:02,499 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 10:41:02,505 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:41:02" (1/1) ... [2024-11-07 10:41:02,517 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:41:02" (1/1) ... [2024-11-07 10:41:02,548 INFO L138 Inliner]: procedures = 33, calls = 111, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 359 [2024-11-07 10:41:02,549 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 10:41:02,549 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 10:41:02,550 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 10:41:02,550 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 10:41:02,559 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:41:02" (1/1) ... [2024-11-07 10:41:02,559 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:41:02" (1/1) ... [2024-11-07 10:41:02,566 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:41:02" (1/1) ... [2024-11-07 10:41:02,600 INFO L175 MemorySlicer]: Split 91 memory accesses to 2 slices as follows [2, 89]. 98 percent of accesses are in the largest equivalence class. The 11 initializations are split as follows [2, 9]. The 13 writes are split as follows [0, 13]. [2024-11-07 10:41:02,600 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:41:02" (1/1) ... [2024-11-07 10:41:02,600 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:41:02" (1/1) ... [2024-11-07 10:41:02,617 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:41:02" (1/1) ... [2024-11-07 10:41:02,621 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:41:02" (1/1) ... [2024-11-07 10:41:02,624 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:41:02" (1/1) ... [2024-11-07 10:41:02,626 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:41:02" (1/1) ... [2024-11-07 10:41:02,631 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 10:41:02,632 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 10:41:02,632 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 10:41:02,632 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 10:41:02,633 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:41:02" (1/1) ... [2024-11-07 10:41:02,639 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 10:41:02,653 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 10:41:02,666 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 10:41:02,673 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 10:41:02,692 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 10:41:02,692 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2024-11-07 10:41:02,692 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2024-11-07 10:41:02,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2024-11-07 10:41:02,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2024-11-07 10:41:02,693 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-07 10:41:02,693 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-07 10:41:02,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#0 [2024-11-07 10:41:02,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#1 [2024-11-07 10:41:02,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-07 10:41:02,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-07 10:41:02,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#0 [2024-11-07 10:41:02,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#1 [2024-11-07 10:41:02,693 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#0 [2024-11-07 10:41:02,694 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#1 [2024-11-07 10:41:02,694 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 10:41:02,694 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 10:41:02,694 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 10:41:02,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 10:41:02,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-07 10:41:02,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-07 10:41:02,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#0 [2024-11-07 10:41:02,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#1 [2024-11-07 10:41:02,837 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 10:41:02,839 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 10:41:23,516 INFO L? ?]: Removed 76 outVars from TransFormulas that were not future-live. [2024-11-07 10:41:23,516 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 10:41:23,525 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 10:41:23,526 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-07 10:41:23,526 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:41:23 BoogieIcfgContainer [2024-11-07 10:41:23,526 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 10:41:23,528 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 10:41:23,528 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 10:41:23,533 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 10:41:23,533 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 10:41:02" (1/3) ... [2024-11-07 10:41:23,534 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c1cf49e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 10:41:23, skipping insertion in model container [2024-11-07 10:41:23,534 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:41:02" (2/3) ... [2024-11-07 10:41:23,534 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c1cf49e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 10:41:23, skipping insertion in model container [2024-11-07 10:41:23,535 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:41:23" (3/3) ... [2024-11-07 10:41:23,536 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-0.i [2024-11-07 10:41:23,551 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 10:41:23,551 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-07 10:41:23,590 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 10:41:23,599 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;@703873aa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 10:41:23,600 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-07 10:41:23,604 INFO L276 IsEmpty]: Start isEmpty. Operand has 85 states, 74 states have (on average 1.4594594594594594) internal successors, (108), 75 states have internal predecessors, (108), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-07 10:41:23,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-07 10:41:23,614 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:41:23,615 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:41:23,616 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:41:23,622 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:41:23,623 INFO L85 PathProgramCache]: Analyzing trace with hash 1487137030, now seen corresponding path program 1 times [2024-11-07 10:41:23,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 10:41:23,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1725764350] [2024-11-07 10:41:23,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:41:23,636 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 10:41:23,636 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 10:41:23,640 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 10:41:23,641 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 10:41:24,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:41:24,095 INFO L255 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-07 10:41:24,100 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 10:41:24,138 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2024-11-07 10:41:24,138 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 10:41:24,141 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-07 10:41:24,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1725764350] [2024-11-07 10:41:24,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1725764350] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:41:24,142 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:41:24,142 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 10:41:24,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343127258] [2024-11-07 10:41:24,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:41:24,148 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-07 10:41:24,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-07 10:41:24,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-07 10:41:24,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-07 10:41:24,168 INFO L87 Difference]: Start difference. First operand has 85 states, 74 states have (on average 1.4594594594594594) internal successors, (108), 75 states have internal predecessors, (108), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-07 10:41:24,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:41:24,194 INFO L93 Difference]: Finished difference Result 160 states and 245 transitions. [2024-11-07 10:41:24,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-07 10:41:24,197 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 78 [2024-11-07 10:41:24,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:41:24,204 INFO L225 Difference]: With dead ends: 160 [2024-11-07 10:41:24,205 INFO L226 Difference]: Without dead ends: 78 [2024-11-07 10:41:24,209 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 77 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 10:41:24,214 INFO L432 NwaCegarLoop]: 108 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, 108 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 10:41:24,216 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 10:41:24,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2024-11-07 10:41:24,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2024-11-07 10:41:24,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 68 states have (on average 1.3529411764705883) internal successors, (92), 68 states have internal predecessors, (92), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-07 10:41:24,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 108 transitions. [2024-11-07 10:41:24,259 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 108 transitions. Word has length 78 [2024-11-07 10:41:24,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:41:24,259 INFO L471 AbstractCegarLoop]: Abstraction has 78 states and 108 transitions. [2024-11-07 10:41:24,259 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-07 10:41:24,259 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 108 transitions. [2024-11-07 10:41:24,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-07 10:41:24,262 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:41:24,262 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:41:24,283 INFO L540 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)] Forceful destruction successful, exit code 0 [2024-11-07 10:41:24,463 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 10:41:24,465 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:41:24,467 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:41:24,468 INFO L85 PathProgramCache]: Analyzing trace with hash 1976566482, now seen corresponding path program 1 times [2024-11-07 10:41:24,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 10:41:24,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1035317572] [2024-11-07 10:41:24,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:41:24,470 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 10:41:24,470 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 10:41:24,476 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 10:41:24,482 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 10:41:24,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:41:25,012 INFO L255 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-07 10:41:25,015 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 10:41:25,124 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-07 10:41:25,124 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 10:41:25,125 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-07 10:41:25,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1035317572] [2024-11-07 10:41:25,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1035317572] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:41:25,125 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:41:25,125 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 10:41:25,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593088337] [2024-11-07 10:41:25,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:41:25,126 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 10:41:25,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-07 10:41:25,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 10:41:25,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 10:41:25,129 INFO L87 Difference]: Start difference. First operand 78 states and 108 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-07 10:41:25,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:41:25,276 INFO L93 Difference]: Finished difference Result 155 states and 216 transitions. [2024-11-07 10:41:25,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 10:41:25,277 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 78 [2024-11-07 10:41:25,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:41:25,278 INFO L225 Difference]: With dead ends: 155 [2024-11-07 10:41:25,278 INFO L226 Difference]: Without dead ends: 80 [2024-11-07 10:41:25,279 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 10:41:25,279 INFO L432 NwaCegarLoop]: 106 mSDtfsCounter, 0 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 307 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 10:41:25,280 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 307 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 10:41:25,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2024-11-07 10:41:25,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2024-11-07 10:41:25,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 70 states have (on average 1.3428571428571427) internal successors, (94), 70 states have internal predecessors, (94), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-07 10:41:25,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 110 transitions. [2024-11-07 10:41:25,288 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 110 transitions. Word has length 78 [2024-11-07 10:41:25,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:41:25,289 INFO L471 AbstractCegarLoop]: Abstraction has 80 states and 110 transitions. [2024-11-07 10:41:25,289 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-07 10:41:25,289 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 110 transitions. [2024-11-07 10:41:25,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-07 10:41:25,290 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:41:25,291 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:41:25,305 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 (3)] Ended with exit code 0 [2024-11-07 10:41:25,491 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /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 10:41:25,492 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:41:25,492 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:41:25,493 INFO L85 PathProgramCache]: Analyzing trace with hash 14991824, now seen corresponding path program 1 times [2024-11-07 10:41:25,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 10:41:25,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [982414739] [2024-11-07 10:41:25,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:41:25,493 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 10:41:25,493 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 10:41:25,498 INFO L229 MonitoredProcess]: Starting monitored process 4 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 10:41:25,499 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 (4)] Waiting until timeout for monitored process [2024-11-07 10:41:25,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:41:25,914 INFO L255 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-07 10:41:25,917 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 10:41:26,326 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-07 10:41:26,327 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 173 treesize of output 65 [2024-11-07 10:41:26,460 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-07 10:41:26,460 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 10:41:26,460 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-07 10:41:26,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [982414739] [2024-11-07 10:41:26,461 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [982414739] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 10:41:26,461 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 10:41:26,461 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 10:41:26,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688586737] [2024-11-07 10:41:26,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 10:41:26,462 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 10:41:26,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-07 10:41:26,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 10:41:26,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-07 10:41:26,464 INFO L87 Difference]: Start difference. First operand 80 states and 110 transitions. Second operand has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-07 10:41:31,174 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 10:41:35,178 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 10:41:39,188 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 10:41:40,805 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 10:41:44,916 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-07 10:41:48,921 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 10:41:52,926 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-07 10:41:55,508 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.58s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-07 10:41:58,837 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 10:42:03,154 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 10:42:07,410 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-07 10:42:09,139 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 10:42:09,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 10:42:09,252 INFO L93 Difference]: Finished difference Result 157 states and 217 transitions. [2024-11-07 10:42:09,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 10:42:09,284 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 78 [2024-11-07 10:42:09,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 10:42:09,286 INFO L225 Difference]: With dead ends: 157 [2024-11-07 10:42:09,286 INFO L226 Difference]: Without dead ends: 80 [2024-11-07 10:42:09,287 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-07 10:42:09,288 INFO L432 NwaCegarLoop]: 83 mSDtfsCounter, 94 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 1 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 42.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 284 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 42.6s IncrementalHoareTripleChecker+Time [2024-11-07 10:42:09,288 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 284 Invalid, 140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 132 Invalid, 7 Unknown, 0 Unchecked, 42.6s Time] [2024-11-07 10:42:09,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2024-11-07 10:42:09,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 78. [2024-11-07 10:42:09,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 68 states have (on average 1.338235294117647) internal successors, (91), 68 states have internal predecessors, (91), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-07 10:42:09,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 107 transitions. [2024-11-07 10:42:09,297 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 107 transitions. Word has length 78 [2024-11-07 10:42:09,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 10:42:09,298 INFO L471 AbstractCegarLoop]: Abstraction has 78 states and 107 transitions. [2024-11-07 10:42:09,298 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-07 10:42:09,298 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 107 transitions. [2024-11-07 10:42:09,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-07 10:42:09,299 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 10:42:09,299 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:42:09,315 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 (4)] Ended with exit code 0 [2024-11-07 10:42:09,500 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /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 10:42:09,500 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 10:42:09,501 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 10:42:09,501 INFO L85 PathProgramCache]: Analyzing trace with hash 196972952, now seen corresponding path program 1 times [2024-11-07 10:42:09,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 10:42:09,502 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [998593557] [2024-11-07 10:42:09,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 10:42:09,502 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 10:42:09,502 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 10:42:09,505 INFO L229 MonitoredProcess]: Starting monitored process 5 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 10:42:09,506 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 (5)] Waiting until timeout for monitored process [2024-11-07 10:42:09,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 10:42:09,929 INFO L255 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-07 10:42:09,933 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 10:42:10,434 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-07 10:42:10,435 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 172 treesize of output 64 [2024-11-07 10:42:10,687 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 60 proven. 8 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-07 10:42:10,687 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 10:42:11,367 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-07 10:42:11,367 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 110 treesize of output 1 [2024-11-07 10:42:11,412 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 6 proven. 15 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2024-11-07 10:42:11,412 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-07 10:42:11,412 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [998593557] [2024-11-07 10:42:11,412 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [998593557] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 10:42:11,421 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-07 10:42:11,421 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 12 [2024-11-07 10:42:11,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883025487] [2024-11-07 10:42:11,422 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-07 10:42:11,422 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-07 10:42:11,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-07 10:42:11,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-07 10:42:11,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-11-07 10:42:11,423 INFO L87 Difference]: Start difference. First operand 78 states and 107 transitions. Second operand has 12 states, 11 states have (on average 5.909090909090909) internal successors, (65), 12 states have internal predecessors, (65), 4 states have call successors, (15), 3 states have call predecessors, (15), 4 states have return successors, (15), 3 states have call predecessors, (15), 4 states have call successors, (15) [2024-11-07 10:42:17,468 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 10:42:19,464 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 10:42:23,836 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-07 10:42:25,454 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 10:42:33,615 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 10:42:37,621 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []