./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-20.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_codestructure_normal_file-20.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', '8562120c4d964df300b4e0f96d7d546a5e259ab3adfcf7bea482bd3e6f1bd491'] 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_codestructure_normal_file-20.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 8562120c4d964df300b4e0f96d7d546a5e259ab3adfcf7bea482bd3e6f1bd491 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 04:06:31,779 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 04:06:31,883 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-07 04:06:31,890 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 04:06:31,890 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 04:06:31,917 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 04:06:31,918 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 04:06:31,918 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 04:06:31,918 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 04:06:31,918 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 04:06:31,918 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 04:06:31,919 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 04:06:31,919 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 04:06:31,919 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 04:06:31,919 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 04:06:31,919 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 04:06:31,920 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 04:06:31,920 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 04:06:31,920 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 04:06:31,920 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 04:06:31,920 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 04:06:31,920 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 04:06:31,920 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 04:06:31,920 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 04:06:31,920 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 04:06:31,921 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 04:06:31,921 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 04:06:31,921 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 04:06:31,921 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 04:06:31,921 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 04:06:31,921 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 04:06:31,921 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 04:06:31,921 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 04:06:31,921 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 04:06:31,921 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 04:06:31,921 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 04:06:31,921 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 04:06:31,921 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 04:06:31,922 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 04:06:31,922 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 04:06:31,922 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 04:06:31,922 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 04:06:31,922 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 -> 8562120c4d964df300b4e0f96d7d546a5e259ab3adfcf7bea482bd3e6f1bd491 [2024-11-07 04:06:32,208 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 04:06:32,216 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 04:06:32,219 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 04:06:32,220 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 04:06:32,220 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 04:06:32,222 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-20.i [2024-11-07 04:06:33,474 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 04:06:33,678 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 04:06:33,679 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-20.i [2024-11-07 04:06:33,686 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/c246eecc2/6bf54204ebe7494aa8d300d1c59decb3/FLAG7ad23505e [2024-11-07 04:06:33,699 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/c246eecc2/6bf54204ebe7494aa8d300d1c59decb3 [2024-11-07 04:06:33,701 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 04:06:33,702 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 04:06:33,707 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 04:06:33,707 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 04:06:33,711 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 04:06:33,712 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:06:33" (1/1) ... [2024-11-07 04:06:33,714 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44ef2a55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:06:33, skipping insertion in model container [2024-11-07 04:06:33,714 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:06:33" (1/1) ... [2024-11-07 04:06:33,737 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 04:06:33,841 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_codestructure_normal_file-20.i[913,926] [2024-11-07 04:06:33,900 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 04:06:33,909 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 04:06:33,918 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_codestructure_normal_file-20.i[913,926] [2024-11-07 04:06:33,940 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 04:06:33,957 INFO L204 MainTranslator]: Completed translation [2024-11-07 04:06:33,957 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:06:33 WrapperNode [2024-11-07 04:06:33,957 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 04:06:33,958 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 04:06:33,958 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 04:06:33,958 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 04:06:33,963 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:06:33" (1/1) ... [2024-11-07 04:06:33,972 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:06:33" (1/1) ... [2024-11-07 04:06:34,024 INFO L138 Inliner]: procedures = 26, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 154 [2024-11-07 04:06:34,028 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 04:06:34,029 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 04:06:34,029 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 04:06:34,029 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 04:06:34,037 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:06:33" (1/1) ... [2024-11-07 04:06:34,037 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:06:33" (1/1) ... [2024-11-07 04:06:34,042 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:06:33" (1/1) ... [2024-11-07 04:06:34,056 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-07 04:06:34,057 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:06:33" (1/1) ... [2024-11-07 04:06:34,057 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:06:33" (1/1) ... [2024-11-07 04:06:34,063 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:06:33" (1/1) ... [2024-11-07 04:06:34,070 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:06:33" (1/1) ... [2024-11-07 04:06:34,072 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:06:33" (1/1) ... [2024-11-07 04:06:34,076 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:06:33" (1/1) ... [2024-11-07 04:06:34,079 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 04:06:34,080 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 04:06:34,080 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 04:06:34,084 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 04:06:34,085 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:06:33" (1/1) ... [2024-11-07 04:06:34,093 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 04:06:34,105 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 04:06:34,120 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 04:06:34,126 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 04:06:34,145 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 04:06:34,145 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 04:06:34,145 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 04:06:34,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 04:06:34,146 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 04:06:34,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 04:06:34,235 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 04:06:34,236 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 04:06:34,637 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2024-11-07 04:06:34,639 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 04:06:34,651 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 04:06:34,652 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-07 04:06:34,652 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:06:34 BoogieIcfgContainer [2024-11-07 04:06:34,653 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 04:06:34,655 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 04:06:34,655 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 04:06:34,659 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 04:06:34,659 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 04:06:33" (1/3) ... [2024-11-07 04:06:34,660 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dbe9086 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:06:34, skipping insertion in model container [2024-11-07 04:06:34,660 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:06:33" (2/3) ... [2024-11-07 04:06:34,660 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dbe9086 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:06:34, skipping insertion in model container [2024-11-07 04:06:34,660 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:06:34" (3/3) ... [2024-11-07 04:06:34,662 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-20.i [2024-11-07 04:06:34,674 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 04:06:34,675 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-07 04:06:34,747 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 04:06:34,755 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;@53805313, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 04:06:34,756 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-07 04:06:34,760 INFO L276 IsEmpty]: Start isEmpty. Operand has 67 states, 45 states have (on average 1.3777777777777778) internal successors, (62), 46 states have internal predecessors, (62), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-07 04:06:34,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-07 04:06:34,770 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 04:06:34,771 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 04:06:34,771 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 04:06:34,774 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 04:06:34,775 INFO L85 PathProgramCache]: Analyzing trace with hash -820964062, now seen corresponding path program 1 times [2024-11-07 04:06:34,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 04:06:34,781 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [482335117] [2024-11-07 04:06:34,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 04:06:34,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 04:06:34,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:06:35,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 04:06:35,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:06:35,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 04:06:35,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:06:35,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 04:06:35,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:06:35,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 04:06:35,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:06:35,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 04:06:35,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:06:35,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 04:06:35,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:06:35,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 04:06:35,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:06:35,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 04:06:35,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:06:35,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 04:06:35,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:06:35,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 04:06:35,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:06:35,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 04:06:35,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:06:35,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 04:06:35,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:06:35,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 04:06:35,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:06:35,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 04:06:35,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:06:35,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 04:06:35,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:06:35,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 04:06:35,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:06:35,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 04:06:35,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:06:35,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-07 04:06:35,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:06:35,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 04:06:35,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:06:35,110 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-07 04:06:35,110 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 04:06:35,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [482335117] [2024-11-07 04:06:35,111 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [482335117] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 04:06:35,111 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 04:06:35,112 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 04:06:35,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947825042] [2024-11-07 04:06:35,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 04:06:35,116 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-07 04:06:35,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 04:06:35,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-07 04:06:35,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-07 04:06:35,137 INFO L87 Difference]: Start difference. First operand has 67 states, 45 states have (on average 1.3777777777777778) internal successors, (62), 46 states have internal predecessors, (62), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-07 04:06:35,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 04:06:35,169 INFO L93 Difference]: Finished difference Result 127 states and 213 transitions. [2024-11-07 04:06:35,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-07 04:06:35,171 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) Word has length 124 [2024-11-07 04:06:35,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 04:06:35,176 INFO L225 Difference]: With dead ends: 127 [2024-11-07 04:06:35,176 INFO L226 Difference]: Without dead ends: 63 [2024-11-07 04:06:35,179 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-07 04:06:35,182 INFO L432 NwaCegarLoop]: 93 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, 93 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 04:06:35,184 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 04:06:35,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2024-11-07 04:06:35,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2024-11-07 04:06:35,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 42 states have (on average 1.3095238095238095) internal successors, (55), 42 states have internal predecessors, (55), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-07 04:06:35,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 93 transitions. [2024-11-07 04:06:35,223 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 93 transitions. Word has length 124 [2024-11-07 04:06:35,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 04:06:35,224 INFO L471 AbstractCegarLoop]: Abstraction has 63 states and 93 transitions. [2024-11-07 04:06:35,224 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-07 04:06:35,224 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 93 transitions. [2024-11-07 04:06:35,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-07 04:06:35,230 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 04:06:35,230 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 04:06:35,231 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 04:06:35,231 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 04:06:35,233 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 04:06:35,233 INFO L85 PathProgramCache]: Analyzing trace with hash -1458131800, now seen corresponding path program 1 times [2024-11-07 04:06:35,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 04:06:35,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1917981842] [2024-11-07 04:06:35,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 04:06:35,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 04:06:35,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 04:06:35,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [993241205] [2024-11-07 04:06:35,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 04:06:35,460 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 04:06:35,460 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 04:06:35,463 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 04:06:35,466 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-07 04:06:35,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 04:06:35,710 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-07 04:06:35,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 04:06:35,861 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-07 04:06:35,863 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-07 04:06:35,864 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-07 04:06:35,885 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-07 04:06:36,066 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 04:06:36,070 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-07 04:06:36,157 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-07 04:06:36,162 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 04:06:36 BoogieIcfgContainer [2024-11-07 04:06:36,162 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-07 04:06:36,163 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-07 04:06:36,166 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-07 04:06:36,166 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-07 04:06:36,167 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:06:34" (3/4) ... [2024-11-07 04:06:36,169 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-07 04:06:36,170 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-07 04:06:36,171 INFO L158 Benchmark]: Toolchain (without parser) took 2468.03ms. Allocated memory was 117.4MB in the beginning and 184.5MB in the end (delta: 67.1MB). Free memory was 91.4MB in the beginning and 133.8MB in the end (delta: -42.4MB). Peak memory consumption was 23.4MB. Max. memory is 16.1GB. [2024-11-07 04:06:36,171 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 117.4MB. Free memory is still 80.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 04:06:36,171 INFO L158 Benchmark]: CACSL2BoogieTranslator took 251.02ms. Allocated memory is still 117.4MB. Free memory was 91.2MB in the beginning and 77.5MB in the end (delta: 13.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-07 04:06:36,171 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.36ms. Allocated memory is still 117.4MB. Free memory was 77.5MB in the beginning and 74.2MB in the end (delta: 3.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 04:06:36,171 INFO L158 Benchmark]: Boogie Preprocessor took 50.26ms. Allocated memory is still 117.4MB. Free memory was 74.2MB in the beginning and 69.5MB in the end (delta: 4.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-07 04:06:36,172 INFO L158 Benchmark]: RCFGBuilder took 572.99ms. Allocated memory is still 117.4MB. Free memory was 69.5MB in the beginning and 48.6MB in the end (delta: 20.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-07 04:06:36,172 INFO L158 Benchmark]: TraceAbstraction took 1507.76ms. Allocated memory was 117.4MB in the beginning and 184.5MB in the end (delta: 67.1MB). Free memory was 48.1MB in the beginning and 133.8MB in the end (delta: -85.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 04:06:36,172 INFO L158 Benchmark]: Witness Printer took 6.66ms. Allocated memory is still 184.5MB. Free memory was 133.8MB in the beginning and 133.8MB in the end (delta: 22.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 04:06:36,176 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 117.4MB. Free memory is still 80.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 251.02ms. Allocated memory is still 117.4MB. Free memory was 91.2MB in the beginning and 77.5MB in the end (delta: 13.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.36ms. Allocated memory is still 117.4MB. Free memory was 77.5MB in the beginning and 74.2MB in the end (delta: 3.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 50.26ms. Allocated memory is still 117.4MB. Free memory was 74.2MB in the beginning and 69.5MB in the end (delta: 4.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 572.99ms. Allocated memory is still 117.4MB. Free memory was 69.5MB in the beginning and 48.6MB in the end (delta: 20.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1507.76ms. Allocated memory was 117.4MB in the beginning and 184.5MB in the end (delta: 67.1MB). Free memory was 48.1MB in the beginning and 133.8MB in the end (delta: -85.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.66ms. Allocated memory is still 184.5MB. Free memory was 133.8MB in the beginning and 133.8MB 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 someBinaryFLOATComparisonOperation at line 116, overapproximation of someBinaryArithmeticFLOAToperation at line 63. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 5; [L23] unsigned char var_1_2 = 0; [L24] unsigned char var_1_3 = 128; [L25] unsigned char var_1_4 = 2; [L26] unsigned char var_1_5 = 2; [L27] unsigned char var_1_6 = 32; [L28] signed long int var_1_7 = 128; [L29] unsigned short int var_1_8 = 100; [L30] float var_1_9 = 255.75; [L31] signed char var_1_10 = 64; [L32] signed char var_1_11 = 32; [L33] signed char var_1_12 = 4; [L34] float var_1_13 = 0.0; [L35] float var_1_14 = 7.25; [L36] float var_1_15 = 8.125; [L37] float var_1_16 = 24.5; [L38] signed short int var_1_17 = -256; [L39] double var_1_18 = 31.5; VAL [isInitial=0, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=0, var_1_3=128, var_1_4=2, var_1_5=2, var_1_6=32, var_1_7=128, var_1_8=100, var_1_9=1023/4] [L120] isInitial = 1 [L121] FCALL initially() [L122] COND TRUE 1 [L123] FCALL updateLastVariables() [L124] CALL updateVariables() [L82] var_1_2 = __VERIFIER_nondet_uchar() [L83] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_3=128, var_1_4=2, var_1_5=2, var_1_6=32, var_1_7=128, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_3=128, var_1_4=2, var_1_5=2, var_1_6=32, var_1_7=128, var_1_8=100, var_1_9=1023/4] [L83] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_3=128, var_1_4=2, var_1_5=2, var_1_6=32, var_1_7=128, var_1_8=100, var_1_9=1023/4] [L84] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=128, var_1_4=2, var_1_5=2, var_1_6=32, var_1_7=128, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=128, var_1_4=2, var_1_5=2, var_1_6=32, var_1_7=128, var_1_8=100, var_1_9=1023/4] [L84] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=128, var_1_4=2, var_1_5=2, var_1_6=32, var_1_7=128, var_1_8=100, var_1_9=1023/4] [L85] var_1_3 = __VERIFIER_nondet_uchar() [L86] CALL assume_abort_if_not(var_1_3 >= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=510, var_1_4=2, var_1_5=2, var_1_6=32, var_1_7=128, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=510, var_1_4=2, var_1_5=2, var_1_6=32, var_1_7=128, var_1_8=100, var_1_9=1023/4] [L86] RET assume_abort_if_not(var_1_3 >= 127) VAL [isInitial=1, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=510, var_1_4=2, var_1_5=2, var_1_6=32, var_1_7=128, var_1_8=100, var_1_9=1023/4] [L87] CALL assume_abort_if_not(var_1_3 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=510, var_1_4=2, var_1_5=2, var_1_6=32, var_1_7=128, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=510, var_1_4=2, var_1_5=2, var_1_6=32, var_1_7=128, var_1_8=100, var_1_9=1023/4] [L87] RET assume_abort_if_not(var_1_3 <= 254) VAL [isInitial=1, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=510, var_1_4=2, var_1_5=2, var_1_6=32, var_1_7=128, var_1_8=100, var_1_9=1023/4] [L88] var_1_4 = __VERIFIER_nondet_uchar() [L89] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=510, var_1_5=2, var_1_6=32, var_1_7=128, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=510, var_1_5=2, var_1_6=32, var_1_7=128, var_1_8=100, var_1_9=1023/4] [L89] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=510, var_1_5=2, var_1_6=32, var_1_7=128, var_1_8=100, var_1_9=1023/4] [L90] CALL assume_abort_if_not(var_1_4 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=510, var_1_4=606, var_1_5=2, var_1_6=32, var_1_7=128, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=510, var_1_4=606, var_1_5=2, var_1_6=32, var_1_7=128, var_1_8=100, var_1_9=1023/4] [L90] RET assume_abort_if_not(var_1_4 <= 127) VAL [isInitial=1, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=510, var_1_4=606, var_1_5=2, var_1_6=32, var_1_7=128, var_1_8=100, var_1_9=1023/4] [L91] var_1_5 = __VERIFIER_nondet_uchar() [L92] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=510, var_1_4=606, var_1_6=32, var_1_7=128, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=510, var_1_4=606, var_1_6=32, var_1_7=128, var_1_8=100, var_1_9=1023/4] [L92] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=510, var_1_4=606, var_1_6=32, var_1_7=128, var_1_8=100, var_1_9=1023/4] [L93] CALL assume_abort_if_not(var_1_5 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=510, var_1_4=606, var_1_5=110, var_1_6=32, var_1_7=128, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=510, var_1_4=606, var_1_5=110, var_1_6=32, var_1_7=128, var_1_8=100, var_1_9=1023/4] [L93] RET assume_abort_if_not(var_1_5 <= 127) VAL [isInitial=1, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=510, var_1_4=606, var_1_5=110, var_1_6=32, var_1_7=128, var_1_8=100, var_1_9=1023/4] [L94] var_1_7 = __VERIFIER_nondet_long() [L95] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=510, var_1_4=606, var_1_5=110, var_1_6=32, var_1_7=0, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=510, var_1_4=606, var_1_5=110, var_1_6=32, var_1_7=0, var_1_8=100, var_1_9=1023/4] [L95] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=510, var_1_4=606, var_1_5=110, var_1_6=32, var_1_7=0, var_1_8=100, var_1_9=1023/4] [L96] CALL assume_abort_if_not(var_1_7 <= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=510, var_1_4=606, var_1_5=110, var_1_6=32, var_1_7=0, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=510, var_1_4=606, var_1_5=110, var_1_6=32, var_1_7=0, var_1_8=100, var_1_9=1023/4] [L96] RET assume_abort_if_not(var_1_7 <= 1073741823) VAL [isInitial=1, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=510, var_1_4=606, var_1_5=110, var_1_6=32, var_1_7=0, var_1_8=100, var_1_9=1023/4] [L97] var_1_10 = __VERIFIER_nondet_char() [L98] CALL assume_abort_if_not(var_1_10 >= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=510, var_1_4=606, var_1_5=110, var_1_6=32, var_1_7=0, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=510, var_1_4=606, var_1_5=110, var_1_6=32, var_1_7=0, var_1_8=100, var_1_9=1023/4] [L98] RET assume_abort_if_not(var_1_10 >= 63) VAL [isInitial=1, var_1_10=127, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=510, var_1_4=606, var_1_5=110, var_1_6=32, var_1_7=0, var_1_8=100, var_1_9=1023/4] [L99] CALL assume_abort_if_not(var_1_10 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=510, var_1_4=606, var_1_5=110, var_1_6=32, var_1_7=0, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=510, var_1_4=606, var_1_5=110, var_1_6=32, var_1_7=0, var_1_8=100, var_1_9=1023/4] [L99] RET assume_abort_if_not(var_1_10 <= 127) VAL [isInitial=1, var_1_10=127, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=510, var_1_4=606, var_1_5=110, var_1_6=32, var_1_7=0, var_1_8=100, var_1_9=1023/4] [L100] var_1_11 = __VERIFIER_nondet_char() [L101] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=0, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=510, var_1_4=606, var_1_5=110, var_1_6=32, var_1_7=0, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=0, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=510, var_1_4=606, var_1_5=110, var_1_6=32, var_1_7=0, var_1_8=100, var_1_9=1023/4] [L101] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, var_1_10=127, var_1_11=0, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=510, var_1_4=606, var_1_5=110, var_1_6=32, var_1_7=0, var_1_8=100, var_1_9=1023/4] [L102] CALL assume_abort_if_not(var_1_11 <= 64) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=0, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=510, var_1_4=606, var_1_5=110, var_1_6=32, var_1_7=0, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=0, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=510, var_1_4=606, var_1_5=110, var_1_6=32, var_1_7=0, var_1_8=100, var_1_9=1023/4] [L102] RET assume_abort_if_not(var_1_11 <= 64) VAL [isInitial=1, var_1_10=127, var_1_11=0, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=510, var_1_4=606, var_1_5=110, var_1_6=32, var_1_7=0, var_1_8=100, var_1_9=1023/4] [L103] var_1_12 = __VERIFIER_nondet_char() [L104] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=510, var_1_4=606, var_1_5=110, var_1_6=32, var_1_7=0, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=510, var_1_4=606, var_1_5=110, var_1_6=32, var_1_7=0, var_1_8=100, var_1_9=1023/4] [L104] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, var_1_10=127, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=510, var_1_4=606, var_1_5=110, var_1_6=32, var_1_7=0, var_1_8=100, var_1_9=1023/4] [L105] CALL assume_abort_if_not(var_1_12 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=510, var_1_4=606, var_1_5=110, var_1_6=32, var_1_7=0, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=510, var_1_4=606, var_1_5=110, var_1_6=32, var_1_7=0, var_1_8=100, var_1_9=1023/4] [L105] RET assume_abort_if_not(var_1_12 <= 63) VAL [isInitial=1, var_1_10=127, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=510, var_1_4=606, var_1_5=110, var_1_6=32, var_1_7=0, var_1_8=100, var_1_9=1023/4] [L106] var_1_13 = __VERIFIER_nondet_float() [L107] CALL assume_abort_if_not((var_1_13 >= 4611686.018427382800e+12F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=0, var_1_12=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=510, var_1_4=606, var_1_5=110, var_1_6=32, var_1_7=0, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=0, var_1_12=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=510, var_1_4=606, var_1_5=110, var_1_6=32, var_1_7=0, var_1_8=100, var_1_9=1023/4] [L107] RET assume_abort_if_not((var_1_13 >= 4611686.018427382800e+12F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=127, var_1_11=0, var_1_12=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=510, var_1_4=606, var_1_5=110, var_1_6=32, var_1_7=0, var_1_8=100, var_1_9=1023/4] [L108] var_1_14 = __VERIFIER_nondet_float() [L109] CALL assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427382800e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=0, var_1_12=0, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=510, var_1_4=606, var_1_5=110, var_1_6=32, var_1_7=0, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=0, var_1_12=0, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=510, var_1_4=606, var_1_5=110, var_1_6=32, var_1_7=0, var_1_8=100, var_1_9=1023/4] [L109] RET assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427382800e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=127, var_1_11=0, var_1_12=0, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=510, var_1_4=606, var_1_5=110, var_1_6=32, var_1_7=0, var_1_8=100, var_1_9=1023/4] [L110] var_1_16 = __VERIFIER_nondet_float() [L111] CALL assume_abort_if_not((var_1_16 >= -461168.6018427382800e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 4611686.018427382800e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=0, var_1_12=0, var_1_15=65/8, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=510, var_1_4=606, var_1_5=110, var_1_6=32, var_1_7=0, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=0, var_1_12=0, var_1_15=65/8, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=510, var_1_4=606, var_1_5=110, var_1_6=32, var_1_7=0, var_1_8=100, var_1_9=1023/4] [L111] RET assume_abort_if_not((var_1_16 >= -461168.6018427382800e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 4611686.018427382800e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=127, var_1_11=0, var_1_12=0, var_1_15=65/8, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=510, var_1_4=606, var_1_5=110, var_1_6=32, var_1_7=0, var_1_8=100, var_1_9=1023/4] [L124] RET updateVariables() [L125] CALL step() [L43] COND TRUE \read(var_1_2) [L44] var_1_1 = (var_1_3 - var_1_4) VAL [isInitial=1, var_1_10=127, var_1_11=0, var_1_12=0, var_1_15=65/8, var_1_17=-256, var_1_18=63/2, var_1_1=160, var_1_2=1, var_1_3=510, var_1_4=606, var_1_5=110, var_1_6=32, var_1_7=0, var_1_8=100, var_1_9=1023/4] [L48] COND TRUE (64 + (var_1_5 / var_1_3)) != (var_1_1 - (var_1_4 + var_1_7)) [L49] var_1_6 = var_1_4 VAL [isInitial=1, var_1_10=127, var_1_11=0, var_1_12=0, var_1_15=65/8, var_1_17=-256, var_1_18=63/2, var_1_1=160, var_1_2=1, var_1_3=510, var_1_4=606, var_1_5=110, var_1_6=606, var_1_7=0, var_1_8=100, var_1_9=1023/4] [L53] COND TRUE (var_1_6 + var_1_1) >= (var_1_3 - var_1_5) [L54] var_1_8 = ((((var_1_1) > (var_1_3)) ? (var_1_1) : (var_1_3))) VAL [isInitial=1, var_1_10=127, var_1_11=0, var_1_12=0, var_1_15=65/8, var_1_17=-256, var_1_18=63/2, var_1_1=160, var_1_2=1, var_1_3=510, var_1_4=606, var_1_5=110, var_1_6=606, var_1_7=0, var_1_8=254, var_1_9=1023/4] [L58] COND TRUE ((var_1_10 - var_1_11) - (16 + var_1_12)) != var_1_5 [L59] var_1_9 = (64.8f - (var_1_13 - var_1_14)) VAL [isInitial=1, var_1_10=127, var_1_11=0, var_1_12=0, var_1_15=65/8, var_1_17=-256, var_1_18=63/2, var_1_1=160, var_1_2=1, var_1_3=510, var_1_4=606, var_1_5=110, var_1_6=606, var_1_7=0, var_1_8=254] [L63] var_1_15 = (var_1_14 + var_1_16) VAL [isInitial=1, var_1_10=127, var_1_11=0, var_1_12=0, var_1_17=-256, var_1_18=63/2, var_1_1=160, var_1_2=1, var_1_3=510, var_1_4=606, var_1_5=110, var_1_6=606, var_1_7=0, var_1_8=254] [L64] COND TRUE \read(var_1_2) [L65] var_1_17 = (var_1_3 + var_1_12) VAL [isInitial=1, var_1_10=127, var_1_11=0, var_1_12=0, var_1_17=254, var_1_18=63/2, var_1_1=160, var_1_2=1, var_1_3=510, var_1_4=606, var_1_5=110, var_1_6=606, var_1_7=0, var_1_8=254] [L73] COND FALSE !((var_1_2 || (var_1_16 > var_1_13)) && (var_1_3 < var_1_8)) [L78] var_1_18 = var_1_16 VAL [isInitial=1, var_1_10=127, var_1_11=0, var_1_12=0, var_1_16=2, var_1_17=254, var_1_18=2, var_1_1=160, var_1_2=1, var_1_3=510, var_1_4=606, var_1_5=110, var_1_6=606, var_1_7=0, var_1_8=254] [L125] RET step() [L126] CALL, EXPR property() [L116] EXPR ((((((var_1_2 ? (var_1_1 == ((unsigned char) (var_1_3 - var_1_4))) : (var_1_1 == ((unsigned char) (var_1_4 + var_1_5)))) && (((64 + (var_1_5 / var_1_3)) != (var_1_1 - (var_1_4 + var_1_7))) ? (var_1_6 == ((unsigned char) var_1_4)) : (var_1_6 == ((unsigned char) 128)))) && (((var_1_6 + var_1_1) >= (var_1_3 - var_1_5)) ? (var_1_8 == ((unsigned short int) ((((var_1_1) > (var_1_3)) ? (var_1_1) : (var_1_3))))) : (var_1_8 == ((unsigned short int) var_1_1)))) && ((((var_1_10 - var_1_11) - (16 + var_1_12)) != var_1_5) ? (var_1_9 == ((float) (64.8f - (var_1_13 - var_1_14)))) : (var_1_9 == ((float) var_1_13)))) && (var_1_15 == ((float) (var_1_14 + var_1_16)))) && (var_1_2 ? (var_1_17 == ((signed short int) (var_1_3 + var_1_12))) : ((var_1_14 == (((((99.8f) < (var_1_16)) ? (99.8f) : (var_1_16))) / ((((255.6f) > (var_1_13)) ? (255.6f) : (var_1_13))))) ? (var_1_17 == ((signed short int) var_1_4)) : (var_1_17 == ((signed short int) (var_1_5 - var_1_3)))))) && (((var_1_2 || (var_1_16 > var_1_13)) && (var_1_3 < var_1_8)) ? (((var_1_11 << var_1_12) > var_1_5) ? (var_1_18 == ((double) var_1_13)) : 1) : (var_1_18 == ((double) var_1_16))) VAL [isInitial=1, var_1_10=127, var_1_11=0, var_1_12=0, var_1_16=2, var_1_17=254, var_1_18=2, var_1_1=160, var_1_2=1, var_1_3=510, var_1_4=606, var_1_5=110, var_1_6=606, var_1_7=0, var_1_8=254] [L116-L117] return ((((((var_1_2 ? (var_1_1 == ((unsigned char) (var_1_3 - var_1_4))) : (var_1_1 == ((unsigned char) (var_1_4 + var_1_5)))) && (((64 + (var_1_5 / var_1_3)) != (var_1_1 - (var_1_4 + var_1_7))) ? (var_1_6 == ((unsigned char) var_1_4)) : (var_1_6 == ((unsigned char) 128)))) && (((var_1_6 + var_1_1) >= (var_1_3 - var_1_5)) ? (var_1_8 == ((unsigned short int) ((((var_1_1) > (var_1_3)) ? (var_1_1) : (var_1_3))))) : (var_1_8 == ((unsigned short int) var_1_1)))) && ((((var_1_10 - var_1_11) - (16 + var_1_12)) != var_1_5) ? (var_1_9 == ((float) (64.8f - (var_1_13 - var_1_14)))) : (var_1_9 == ((float) var_1_13)))) && (var_1_15 == ((float) (var_1_14 + var_1_16)))) && (var_1_2 ? (var_1_17 == ((signed short int) (var_1_3 + var_1_12))) : ((var_1_14 == (((((99.8f) < (var_1_16)) ? (99.8f) : (var_1_16))) / ((((255.6f) > (var_1_13)) ? (255.6f) : (var_1_13))))) ? (var_1_17 == ((signed short int) var_1_4)) : (var_1_17 == ((signed short int) (var_1_5 - var_1_3)))))) && (((var_1_2 || (var_1_16 > var_1_13)) && (var_1_3 < var_1_8)) ? (((var_1_11 << var_1_12) > var_1_5) ? (var_1_18 == ((double) var_1_13)) : 1) : (var_1_18 == ((double) var_1_16))) ; [L126] RET, EXPR property() [L126] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=127, var_1_11=0, var_1_12=0, var_1_16=2, var_1_17=254, var_1_18=2, var_1_1=160, var_1_2=1, var_1_3=510, var_1_4=606, var_1_5=110, var_1_6=606, var_1_7=0, var_1_8=254] [L19] reach_error() VAL [isInitial=1, var_1_10=127, var_1_11=0, var_1_12=0, var_1_16=2, var_1_17=254, var_1_18=2, var_1_1=160, var_1_2=1, var_1_3=510, var_1_4=606, var_1_5=110, var_1_6=606, var_1_7=0, var_1_8=254] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 67 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 2, TraceHistogramMax: 19, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 93 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 93 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 59 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=67occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 372 NumberOfCodeBlocks, 372 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 123 ConstructedInterpolants, 0 QuantifiedInterpolants, 123 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 684/684 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-07 04:06:36,206 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_codestructure_normal_file-20.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 8562120c4d964df300b4e0f96d7d546a5e259ab3adfcf7bea482bd3e6f1bd491 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 04:06:38,336 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 04:06:38,439 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-07 04:06:38,444 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 04:06:38,444 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 04:06:38,465 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 04:06:38,468 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 04:06:38,468 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 04:06:38,468 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 04:06:38,468 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 04:06:38,468 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 04:06:38,468 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 04:06:38,469 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 04:06:38,469 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 04:06:38,469 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 04:06:38,469 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 04:06:38,469 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 04:06:38,469 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 04:06:38,469 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 04:06:38,469 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 04:06:38,470 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 04:06:38,470 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 04:06:38,470 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 04:06:38,470 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-07 04:06:38,470 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-07 04:06:38,470 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 04:06:38,470 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-07 04:06:38,470 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 04:06:38,470 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 04:06:38,470 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 04:06:38,470 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 04:06:38,470 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 04:06:38,471 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 04:06:38,471 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 04:06:38,471 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 04:06:38,471 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 04:06:38,471 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 04:06:38,471 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 04:06:38,473 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-07 04:06:38,473 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-07 04:06:38,473 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 04:06:38,473 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 04:06:38,473 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 04:06:38,474 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 04:06:38,474 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 -> 8562120c4d964df300b4e0f96d7d546a5e259ab3adfcf7bea482bd3e6f1bd491 [2024-11-07 04:06:38,751 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 04:06:38,759 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 04:06:38,761 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 04:06:38,762 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 04:06:38,763 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 04:06:38,764 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-20.i [2024-11-07 04:06:40,242 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 04:06:40,481 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 04:06:40,482 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-20.i [2024-11-07 04:06:40,491 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/12dbfa10e/cfce119a1077416f9731de22bcadb8de/FLAG10d9ca0bb [2024-11-07 04:06:40,805 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/12dbfa10e/cfce119a1077416f9731de22bcadb8de [2024-11-07 04:06:40,807 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 04:06:40,809 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 04:06:40,811 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 04:06:40,811 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 04:06:40,815 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 04:06:40,815 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:06:40" (1/1) ... [2024-11-07 04:06:40,816 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5575538a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:06:40, skipping insertion in model container [2024-11-07 04:06:40,816 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:06:40" (1/1) ... [2024-11-07 04:06:40,833 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 04:06:40,970 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_codestructure_normal_file-20.i[913,926] [2024-11-07 04:06:41,036 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 04:06:41,054 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 04:06:41,063 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_codestructure_normal_file-20.i[913,926] [2024-11-07 04:06:41,098 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 04:06:41,119 INFO L204 MainTranslator]: Completed translation [2024-11-07 04:06:41,120 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:06:41 WrapperNode [2024-11-07 04:06:41,120 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 04:06:41,121 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 04:06:41,121 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 04:06:41,121 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 04:06:41,129 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:06:41" (1/1) ... [2024-11-07 04:06:41,137 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:06:41" (1/1) ... [2024-11-07 04:06:41,164 INFO L138 Inliner]: procedures = 27, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 126 [2024-11-07 04:06:41,165 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 04:06:41,166 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 04:06:41,166 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 04:06:41,166 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 04:06:41,175 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:06:41" (1/1) ... [2024-11-07 04:06:41,176 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:06:41" (1/1) ... [2024-11-07 04:06:41,179 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:06:41" (1/1) ... [2024-11-07 04:06:41,196 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-07 04:06:41,196 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:06:41" (1/1) ... [2024-11-07 04:06:41,197 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:06:41" (1/1) ... [2024-11-07 04:06:41,207 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:06:41" (1/1) ... [2024-11-07 04:06:41,212 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:06:41" (1/1) ... [2024-11-07 04:06:41,218 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:06:41" (1/1) ... [2024-11-07 04:06:41,219 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:06:41" (1/1) ... [2024-11-07 04:06:41,222 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 04:06:41,222 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 04:06:41,223 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 04:06:41,223 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 04:06:41,224 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:06:41" (1/1) ... [2024-11-07 04:06:41,229 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 04:06:41,243 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 04:06:41,258 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 04:06:41,264 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 04:06:41,281 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 04:06:41,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-07 04:06:41,281 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 04:06:41,281 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 04:06:41,282 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 04:06:41,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 04:06:41,344 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 04:06:41,345 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 04:06:46,763 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-07 04:06:46,763 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 04:06:46,776 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 04:06:46,776 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-07 04:06:46,777 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:06:46 BoogieIcfgContainer [2024-11-07 04:06:46,777 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 04:06:46,780 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 04:06:46,780 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 04:06:46,785 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 04:06:46,785 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 04:06:40" (1/3) ... [2024-11-07 04:06:46,786 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@573f168b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:06:46, skipping insertion in model container [2024-11-07 04:06:46,786 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:06:41" (2/3) ... [2024-11-07 04:06:46,787 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@573f168b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:06:46, skipping insertion in model container [2024-11-07 04:06:46,787 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:06:46" (3/3) ... [2024-11-07 04:06:46,788 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-20.i [2024-11-07 04:06:46,804 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 04:06:46,804 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-07 04:06:46,879 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 04:06:46,890 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;@26c2cf49, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 04:06:46,891 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-07 04:06:46,896 INFO L276 IsEmpty]: Start isEmpty. Operand has 58 states, 36 states have (on average 1.3611111111111112) internal successors, (49), 37 states have internal predecessors, (49), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-07 04:06:46,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-07 04:06:46,908 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 04:06:46,908 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 04:06:46,909 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 04:06:46,913 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 04:06:46,914 INFO L85 PathProgramCache]: Analyzing trace with hash 1442975280, now seen corresponding path program 1 times [2024-11-07 04:06:46,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 04:06:46,926 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1704782915] [2024-11-07 04:06:46,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 04:06:46,927 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 04:06:46,930 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 04:06:46,934 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 04:06:46,937 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 04:06:47,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:06:47,308 INFO L255 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-07 04:06:47,316 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 04:06:47,363 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 360 proven. 0 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2024-11-07 04:06:47,363 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 04:06:47,366 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-07 04:06:47,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1704782915] [2024-11-07 04:06:47,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1704782915] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 04:06:47,366 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 04:06:47,367 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 04:06:47,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1911660069] [2024-11-07 04:06:47,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 04:06:47,372 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-07 04:06:47,373 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-07 04:06:47,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-07 04:06:47,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-07 04:06:47,394 INFO L87 Difference]: Start difference. First operand has 58 states, 36 states have (on average 1.3611111111111112) internal successors, (49), 37 states have internal predecessors, (49), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-07 04:06:47,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 04:06:47,421 INFO L93 Difference]: Finished difference Result 109 states and 187 transitions. [2024-11-07 04:06:47,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-07 04:06:47,423 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 122 [2024-11-07 04:06:47,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 04:06:47,429 INFO L225 Difference]: With dead ends: 109 [2024-11-07 04:06:47,430 INFO L226 Difference]: Without dead ends: 54 [2024-11-07 04:06:47,434 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 121 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 04:06:47,438 INFO L432 NwaCegarLoop]: 80 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, 80 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 04:06:47,439 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 04:06:47,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2024-11-07 04:06:47,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2024-11-07 04:06:47,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 33 states have (on average 1.2727272727272727) internal successors, (42), 33 states have internal predecessors, (42), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-07 04:06:47,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 80 transitions. [2024-11-07 04:06:47,476 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 80 transitions. Word has length 122 [2024-11-07 04:06:47,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 04:06:47,477 INFO L471 AbstractCegarLoop]: Abstraction has 54 states and 80 transitions. [2024-11-07 04:06:47,477 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-07 04:06:47,477 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 80 transitions. [2024-11-07 04:06:47,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-07 04:06:47,479 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 04:06:47,480 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 04:06:47,495 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-07 04:06:47,683 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 04:06:47,684 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 04:06:47,685 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 04:06:47,685 INFO L85 PathProgramCache]: Analyzing trace with hash 1165217590, now seen corresponding path program 1 times [2024-11-07 04:06:47,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 04:06:47,686 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [118148151] [2024-11-07 04:06:47,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 04:06:47,686 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 04:06:47,686 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 04:06:47,689 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 04:06:47,691 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 04:06:48,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:06:48,150 INFO L255 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 45 conjuncts are in the unsatisfiable core [2024-11-07 04:06:48,161 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 04:07:14,911 WARN L286 SmtUtils]: Spent 5.65s on a formula simplification that was a NOOP. DAG size: 87 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-07 04:07:46,556 WARN L286 SmtUtils]: Spent 12.96s on a formula simplification that was a NOOP. DAG size: 90 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)