./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-2.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_steplocals_file-2.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', '88d083b2955a39fa1df8b63324716d36866c117067c6dd3c09c49da8b0e366b3'] 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_steplocals_file-2.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 88d083b2955a39fa1df8b63324716d36866c117067c6dd3c09c49da8b0e366b3 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 04:18:09,053 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 04:18:09,167 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-07 04:18:09,173 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 04:18:09,174 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 04:18:09,203 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 04:18:09,204 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 04:18:09,204 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 04:18:09,205 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 04:18:09,205 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 04:18:09,205 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 04:18:09,205 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 04:18:09,205 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 04:18:09,206 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 04:18:09,206 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 04:18:09,206 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 04:18:09,206 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 04:18:09,206 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 04:18:09,206 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 04:18:09,206 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 04:18:09,206 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 04:18:09,207 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 04:18:09,207 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 04:18:09,207 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 04:18:09,207 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 04:18:09,207 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 04:18:09,207 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 04:18:09,207 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 04:18:09,207 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 04:18:09,208 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 04:18:09,208 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 04:18:09,208 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 04:18:09,208 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 04:18:09,208 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 04:18:09,208 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 04:18:09,208 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 04:18:09,209 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 04:18:09,209 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 04:18:09,209 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 04:18:09,209 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 04:18:09,209 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 04:18:09,209 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 04:18:09,209 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 -> 88d083b2955a39fa1df8b63324716d36866c117067c6dd3c09c49da8b0e366b3 [2024-11-07 04:18:09,490 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 04:18:09,500 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 04:18:09,503 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 04:18:09,504 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 04:18:09,504 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 04:18:09,506 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-2.i [2024-11-07 04:18:10,928 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 04:18:11,237 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 04:18:11,238 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-2.i [2024-11-07 04:18:11,249 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/79ed0d86e/33574f057d48480bb13f92f3ddd655c6/FLAGd8ce48791 [2024-11-07 04:18:11,271 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/79ed0d86e/33574f057d48480bb13f92f3ddd655c6 [2024-11-07 04:18:11,275 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 04:18:11,276 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 04:18:11,277 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 04:18:11,277 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 04:18:11,283 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 04:18:11,287 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:18:11" (1/1) ... [2024-11-07 04:18:11,287 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4697d920 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:18:11, skipping insertion in model container [2024-11-07 04:18:11,288 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:18:11" (1/1) ... [2024-11-07 04:18:11,307 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 04:18:11,443 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_steplocals_file-2.i[916,929] [2024-11-07 04:18:11,512 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 04:18:11,525 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 04:18:11,534 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_steplocals_file-2.i[916,929] [2024-11-07 04:18:11,558 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 04:18:11,578 INFO L204 MainTranslator]: Completed translation [2024-11-07 04:18:11,579 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:18:11 WrapperNode [2024-11-07 04:18:11,580 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 04:18:11,581 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 04:18:11,582 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 04:18:11,582 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 04:18:11,588 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:18:11" (1/1) ... [2024-11-07 04:18:11,602 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:18:11" (1/1) ... [2024-11-07 04:18:11,630 INFO L138 Inliner]: procedures = 26, calls = 34, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 144 [2024-11-07 04:18:11,631 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 04:18:11,631 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 04:18:11,631 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 04:18:11,631 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 04:18:11,645 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:18:11" (1/1) ... [2024-11-07 04:18:11,645 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:18:11" (1/1) ... [2024-11-07 04:18:11,648 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:18:11" (1/1) ... [2024-11-07 04:18:11,672 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 04:18:11,675 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:18:11" (1/1) ... [2024-11-07 04:18:11,675 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:18:11" (1/1) ... [2024-11-07 04:18:11,687 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:18:11" (1/1) ... [2024-11-07 04:18:11,695 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:18:11" (1/1) ... [2024-11-07 04:18:11,697 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:18:11" (1/1) ... [2024-11-07 04:18:11,702 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:18:11" (1/1) ... [2024-11-07 04:18:11,704 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 04:18:11,709 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 04:18:11,709 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 04:18:11,709 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 04:18:11,710 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:18:11" (1/1) ... [2024-11-07 04:18:11,718 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 04:18:11,737 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 04:18:11,751 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 04:18:11,754 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 04:18:11,778 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 04:18:11,779 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 04:18:11,780 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 04:18:11,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 04:18:11,780 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 04:18:11,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 04:18:11,865 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 04:18:11,867 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 04:18:12,140 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-07 04:18:12,140 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 04:18:12,149 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 04:18:12,150 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-07 04:18:12,150 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:18:12 BoogieIcfgContainer [2024-11-07 04:18:12,150 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 04:18:12,152 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 04:18:12,152 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 04:18:12,158 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 04:18:12,158 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 04:18:11" (1/3) ... [2024-11-07 04:18:12,158 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@401e18e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:18:12, skipping insertion in model container [2024-11-07 04:18:12,158 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:18:11" (2/3) ... [2024-11-07 04:18:12,159 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@401e18e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:18:12, skipping insertion in model container [2024-11-07 04:18:12,159 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:18:12" (3/3) ... [2024-11-07 04:18:12,160 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-2.i [2024-11-07 04:18:12,174 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 04:18:12,175 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-07 04:18:12,230 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 04:18:12,241 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;@50dd17ed, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 04:18:12,241 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-07 04:18:12,245 INFO L276 IsEmpty]: Start isEmpty. Operand has 65 states, 41 states have (on average 1.3658536585365855) internal successors, (56), 42 states have internal predecessors, (56), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-07 04:18:12,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-07 04:18:12,255 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 04:18:12,256 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:18:12,256 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 04:18:12,259 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 04:18:12,260 INFO L85 PathProgramCache]: Analyzing trace with hash -699396590, now seen corresponding path program 1 times [2024-11-07 04:18:12,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 04:18:12,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506010834] [2024-11-07 04:18:12,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 04:18:12,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 04:18:12,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:18:12,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 04:18:12,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:18:12,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 04:18:12,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:18:12,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 04:18:12,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:18:12,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 04:18:12,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:18:12,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 04:18:12,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:18:12,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-07 04:18:12,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:18:12,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-07 04:18:12,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:18:12,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-07 04:18:12,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:18:12,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-07 04:18:12,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:18:12,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-07 04:18:12,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:18:12,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-07 04:18:12,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:18:12,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-07 04:18:12,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:18:12,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-07 04:18:12,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:18:12,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-07 04:18:12,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:18:12,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-07 04:18:12,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:18:12,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-07 04:18:12,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:18:12,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 04:18:12,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:18:12,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 04:18:12,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:18:12,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-07 04:18:12,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:18:12,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-07 04:18:12,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:18:12,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-07 04:18:12,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:18:12,656 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-07 04:18:12,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 04:18:12,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506010834] [2024-11-07 04:18:12,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1506010834] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 04:18:12,658 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 04:18:12,658 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 04:18:12,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1367007257] [2024-11-07 04:18:12,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 04:18:12,664 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-07 04:18:12,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 04:18:12,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-07 04:18:12,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-07 04:18:12,683 INFO L87 Difference]: Start difference. First operand has 65 states, 41 states have (on average 1.3658536585365855) internal successors, (56), 42 states have internal predecessors, (56), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) Second operand has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-07 04:18:12,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 04:18:12,706 INFO L93 Difference]: Finished difference Result 123 states and 211 transitions. [2024-11-07 04:18:12,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-07 04:18:12,707 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) Word has length 135 [2024-11-07 04:18:12,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 04:18:12,713 INFO L225 Difference]: With dead ends: 123 [2024-11-07 04:18:12,713 INFO L226 Difference]: Without dead ends: 61 [2024-11-07 04:18:12,716 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 65 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 04:18:12,719 INFO L432 NwaCegarLoop]: 91 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, 91 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 04:18:12,721 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 04:18:12,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2024-11-07 04:18:12,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2024-11-07 04:18:12,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 38 states have (on average 1.2894736842105263) internal successors, (49), 38 states have internal predecessors, (49), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-07 04:18:12,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 91 transitions. [2024-11-07 04:18:12,764 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 91 transitions. Word has length 135 [2024-11-07 04:18:12,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 04:18:12,764 INFO L471 AbstractCegarLoop]: Abstraction has 61 states and 91 transitions. [2024-11-07 04:18:12,765 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-07 04:18:12,765 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 91 transitions. [2024-11-07 04:18:12,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-07 04:18:12,769 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 04:18:12,769 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:18:12,769 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 04:18:12,769 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 04:18:12,770 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 04:18:12,771 INFO L85 PathProgramCache]: Analyzing trace with hash 914090772, now seen corresponding path program 1 times [2024-11-07 04:18:12,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 04:18:12,771 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596816410] [2024-11-07 04:18:12,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 04:18:12,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 04:18:12,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 04:18:12,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1636368846] [2024-11-07 04:18:12,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 04:18:12,924 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 04:18:12,924 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 04:18:12,927 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 04:18:12,928 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 04:18:13,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 04:18:13,169 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-07 04:18:13,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 04:18:13,345 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-07 04:18:13,345 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-07 04:18:13,346 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-07 04:18:13,368 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-07 04:18:13,549 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 04:18:13,553 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-07 04:18:13,655 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-07 04:18:13,658 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 04:18:13 BoogieIcfgContainer [2024-11-07 04:18:13,660 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-07 04:18:13,661 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-07 04:18:13,661 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-07 04:18:13,662 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-07 04:18:13,662 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:18:12" (3/4) ... [2024-11-07 04:18:13,665 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-07 04:18:13,666 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-07 04:18:13,667 INFO L158 Benchmark]: Toolchain (without parser) took 2390.73ms. Allocated memory is still 117.4MB. Free memory was 91.6MB in the beginning and 77.7MB in the end (delta: 13.9MB). Peak memory consumption was 15.9MB. Max. memory is 16.1GB. [2024-11-07 04:18:13,668 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 117.4MB. Free memory is still 82.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 04:18:13,668 INFO L158 Benchmark]: CACSL2BoogieTranslator took 303.18ms. Allocated memory is still 117.4MB. Free memory was 91.6MB in the beginning and 77.9MB in the end (delta: 13.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-07 04:18:13,669 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.77ms. Allocated memory is still 117.4MB. Free memory was 77.9MB in the beginning and 75.6MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 04:18:13,669 INFO L158 Benchmark]: Boogie Preprocessor took 76.82ms. Allocated memory is still 117.4MB. Free memory was 75.6MB in the beginning and 72.9MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 04:18:13,669 INFO L158 Benchmark]: RCFGBuilder took 441.63ms. Allocated memory is still 117.4MB. Free memory was 72.9MB in the beginning and 55.8MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-07 04:18:13,670 INFO L158 Benchmark]: TraceAbstraction took 1508.42ms. Allocated memory is still 117.4MB. Free memory was 55.3MB in the beginning and 78.4MB in the end (delta: -23.1MB). Peak memory consumption was 26.9MB. Max. memory is 16.1GB. [2024-11-07 04:18:13,670 INFO L158 Benchmark]: Witness Printer took 4.94ms. Allocated memory is still 117.4MB. Free memory was 78.4MB in the beginning and 77.7MB in the end (delta: 675.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 04:18:13,673 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 117.4MB. Free memory is still 82.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 303.18ms. Allocated memory is still 117.4MB. Free memory was 91.6MB in the beginning and 77.9MB in the end (delta: 13.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.77ms. Allocated memory is still 117.4MB. Free memory was 77.9MB in the beginning and 75.6MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 76.82ms. Allocated memory is still 117.4MB. Free memory was 75.6MB in the beginning and 72.9MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 441.63ms. Allocated memory is still 117.4MB. Free memory was 72.9MB in the beginning and 55.8MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1508.42ms. Allocated memory is still 117.4MB. Free memory was 55.3MB in the beginning and 78.4MB in the end (delta: -23.1MB). Peak memory consumption was 26.9MB. Max. memory is 16.1GB. * Witness Printer took 4.94ms. Allocated memory is still 117.4MB. Free memory was 78.4MB in the beginning and 77.7MB in the end (delta: 675.5kB). 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 131, overapproximation of someBinaryArithmeticDOUBLEoperation at line 87, overapproximation of someBinaryDOUBLEComparisonOperation at line 131, overapproximation of someBinaryArithmeticFLOAToperation at line 70. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] float var_1_1 = 3.95; [L23] unsigned char var_1_2 = 50; [L24] unsigned char var_1_3 = 10; [L25] float var_1_4 = 9999999.8; [L26] float var_1_5 = 8.6; [L27] unsigned long int var_1_6 = 10000; [L28] unsigned char var_1_7 = 1; [L29] double var_1_8 = 64.5; [L30] unsigned char var_1_9 = 0; [L31] float var_1_10 = 255.25; [L32] float var_1_11 = 7.5; [L33] float var_1_12 = 0.0; [L34] float var_1_13 = 64.8; [L35] double var_1_14 = 127.75; [L36] signed char var_1_15 = 8; [L37] signed char var_1_16 = 32; [L38] unsigned char var_1_17 = 0; [L39] unsigned char var_1_18 = 0; [L40] double var_1_19 = 2.25; [L41] unsigned char var_1_20 = 0; [L42] unsigned short int var_1_21 = 256; VAL [isInitial=0, var_1_10=1021/4, var_1_11=15/2, var_1_12=0, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_2=50, var_1_3=10, var_1_4=49999999/5, var_1_5=43/5, var_1_6=10000, var_1_7=1, var_1_8=129/2, var_1_9=0] [L135] isInitial = 1 [L136] FCALL initially() [L137] COND TRUE 1 [L138] FCALL updateLastVariables() [L139] CALL updateVariables() [L93] var_1_2 = __VERIFIER_nondet_uchar() [L94] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1021/4, var_1_11=15/2, var_1_12=0, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_3=10, var_1_4=49999999/5, var_1_5=43/5, var_1_6=10000, var_1_7=1, var_1_8=129/2, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1021/4, var_1_11=15/2, var_1_12=0, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_3=10, var_1_4=49999999/5, var_1_5=43/5, var_1_6=10000, var_1_7=1, var_1_8=129/2, var_1_9=0] [L94] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=1021/4, var_1_11=15/2, var_1_12=0, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_3=10, var_1_4=49999999/5, var_1_5=43/5, var_1_6=10000, var_1_7=1, var_1_8=129/2, var_1_9=0] [L95] CALL assume_abort_if_not(var_1_2 <= 255) VAL [\old(cond)=1, isInitial=1, var_1_10=1021/4, var_1_11=15/2, var_1_12=0, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_3=10, var_1_4=49999999/5, var_1_5=43/5, var_1_6=10000, var_1_7=1, var_1_8=129/2, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1021/4, var_1_11=15/2, var_1_12=0, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_3=10, var_1_4=49999999/5, var_1_5=43/5, var_1_6=10000, var_1_7=1, var_1_8=129/2, var_1_9=0] [L95] RET assume_abort_if_not(var_1_2 <= 255) VAL [isInitial=1, var_1_10=1021/4, var_1_11=15/2, var_1_12=0, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_3=10, var_1_4=49999999/5, var_1_5=43/5, var_1_6=10000, var_1_7=1, var_1_8=129/2, var_1_9=0] [L96] var_1_3 = __VERIFIER_nondet_uchar() [L97] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1021/4, var_1_11=15/2, var_1_12=0, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_4=49999999/5, var_1_5=43/5, var_1_6=10000, var_1_7=1, var_1_8=129/2, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1021/4, var_1_11=15/2, var_1_12=0, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_4=49999999/5, var_1_5=43/5, var_1_6=10000, var_1_7=1, var_1_8=129/2, var_1_9=0] [L97] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_10=1021/4, var_1_11=15/2, var_1_12=0, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_4=49999999/5, var_1_5=43/5, var_1_6=10000, var_1_7=1, var_1_8=129/2, var_1_9=0] [L98] CALL assume_abort_if_not(var_1_3 <= 255) VAL [\old(cond)=1, isInitial=1, var_1_10=1021/4, var_1_11=15/2, var_1_12=0, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_4=49999999/5, var_1_5=43/5, var_1_6=10000, var_1_7=1, var_1_8=129/2, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1021/4, var_1_11=15/2, var_1_12=0, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_4=49999999/5, var_1_5=43/5, var_1_6=10000, var_1_7=1, var_1_8=129/2, var_1_9=0] [L98] RET assume_abort_if_not(var_1_3 <= 255) VAL [isInitial=1, var_1_10=1021/4, var_1_11=15/2, var_1_12=0, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_4=49999999/5, var_1_5=43/5, var_1_6=10000, var_1_7=1, var_1_8=129/2, var_1_9=0] [L99] var_1_4 = __VERIFIER_nondet_float() [L100] CALL assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1021/4, var_1_11=15/2, var_1_12=0, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_5=43/5, var_1_6=10000, var_1_7=1, var_1_8=129/2, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1021/4, var_1_11=15/2, var_1_12=0, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_5=43/5, var_1_6=10000, var_1_7=1, var_1_8=129/2, var_1_9=0] [L100] RET assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1021/4, var_1_11=15/2, var_1_12=0, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_5=43/5, var_1_6=10000, var_1_7=1, var_1_8=129/2, var_1_9=0] [L101] var_1_5 = __VERIFIER_nondet_float() [L102] CALL assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1021/4, var_1_11=15/2, var_1_12=0, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_6=10000, var_1_7=1, var_1_8=129/2, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1021/4, var_1_11=15/2, var_1_12=0, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_6=10000, var_1_7=1, var_1_8=129/2, var_1_9=0] [L102] RET assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1021/4, var_1_11=15/2, var_1_12=0, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_6=10000, var_1_7=1, var_1_8=129/2, var_1_9=0] [L103] var_1_7 = __VERIFIER_nondet_uchar() [L104] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1021/4, var_1_11=15/2, var_1_12=0, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_6=10000, var_1_8=129/2, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1021/4, var_1_11=15/2, var_1_12=0, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_6=10000, var_1_8=129/2, var_1_9=0] [L104] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, var_1_10=1021/4, var_1_11=15/2, var_1_12=0, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_6=10000, var_1_8=129/2, var_1_9=0] [L105] CALL assume_abort_if_not(var_1_7 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1021/4, var_1_11=15/2, var_1_12=0, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_6=10000, var_1_7=0, var_1_8=129/2, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1021/4, var_1_11=15/2, var_1_12=0, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_6=10000, var_1_7=0, var_1_8=129/2, var_1_9=0] [L105] RET assume_abort_if_not(var_1_7 <= 1) VAL [isInitial=1, var_1_10=1021/4, var_1_11=15/2, var_1_12=0, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_6=10000, var_1_7=0, var_1_8=129/2, var_1_9=0] [L106] var_1_8 = __VERIFIER_nondet_double() [L107] CALL assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854776000e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1021/4, var_1_11=15/2, var_1_12=0, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_6=10000, var_1_7=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1021/4, var_1_11=15/2, var_1_12=0, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_6=10000, var_1_7=0, var_1_9=0] [L107] RET assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854776000e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1021/4, var_1_11=15/2, var_1_12=0, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_6=10000, var_1_7=0, var_1_9=0] [L108] var_1_9 = __VERIFIER_nondet_uchar() [L109] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1021/4, var_1_11=15/2, var_1_12=0, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_6=10000, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1021/4, var_1_11=15/2, var_1_12=0, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_6=10000, var_1_7=0] [L109] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, var_1_10=1021/4, var_1_11=15/2, var_1_12=0, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_6=10000, var_1_7=0] [L110] CALL assume_abort_if_not(var_1_9 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1021/4, var_1_11=15/2, var_1_12=0, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_6=10000, var_1_7=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1021/4, var_1_11=15/2, var_1_12=0, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_6=10000, var_1_7=0, var_1_9=1] [L110] RET assume_abort_if_not(var_1_9 <= 1) VAL [isInitial=1, var_1_10=1021/4, var_1_11=15/2, var_1_12=0, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_6=10000, var_1_7=0, var_1_9=1] [L111] var_1_11 = __VERIFIER_nondet_float() [L112] CALL assume_abort_if_not((var_1_11 >= -922337.2036854776000e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854776000e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1021/4, var_1_12=0, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_6=10000, var_1_7=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1021/4, var_1_12=0, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_6=10000, var_1_7=0, var_1_9=1] [L112] RET assume_abort_if_not((var_1_11 >= -922337.2036854776000e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854776000e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1021/4, var_1_12=0, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_6=10000, var_1_7=0, var_1_9=1] [L113] CALL assume_abort_if_not(var_1_11 != 0.0F) VAL [\old(cond)=1, isInitial=1, var_1_10=1021/4, var_1_12=0, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_6=10000, var_1_7=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1021/4, var_1_12=0, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_6=10000, var_1_7=0, var_1_9=1] [L113] RET assume_abort_if_not(var_1_11 != 0.0F) VAL [isInitial=1, var_1_10=1021/4, var_1_12=0, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_6=10000, var_1_7=0, var_1_9=1] [L114] var_1_12 = __VERIFIER_nondet_float() [L115] CALL assume_abort_if_not((var_1_12 >= 4611686.018427382800e+12F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1021/4, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_6=10000, var_1_7=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1021/4, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_6=10000, var_1_7=0, var_1_9=1] [L115] RET assume_abort_if_not((var_1_12 >= 4611686.018427382800e+12F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1021/4, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_6=10000, var_1_7=0, var_1_9=1] [L116] var_1_13 = __VERIFIER_nondet_float() [L117] CALL assume_abort_if_not((var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 4611686.018427382800e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1021/4, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_6=10000, var_1_7=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1021/4, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_6=10000, var_1_7=0, var_1_9=1] [L117] RET assume_abort_if_not((var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 4611686.018427382800e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1021/4, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_6=10000, var_1_7=0, var_1_9=1] [L118] var_1_15 = __VERIFIER_nondet_char() [L119] CALL assume_abort_if_not(var_1_15 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_10=1021/4, var_1_14=511/4, var_1_15=-1, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_6=10000, var_1_7=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1021/4, var_1_14=511/4, var_1_15=-1, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_6=10000, var_1_7=0, var_1_9=1] [L119] RET assume_abort_if_not(var_1_15 >= -1) VAL [isInitial=1, var_1_10=1021/4, var_1_14=511/4, var_1_15=-1, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_6=10000, var_1_7=0, var_1_9=1] [L120] CALL assume_abort_if_not(var_1_15 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=1021/4, var_1_14=511/4, var_1_15=-1, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_6=10000, var_1_7=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1021/4, var_1_14=511/4, var_1_15=-1, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_6=10000, var_1_7=0, var_1_9=1] [L120] RET assume_abort_if_not(var_1_15 <= 127) VAL [isInitial=1, var_1_10=1021/4, var_1_14=511/4, var_1_15=-1, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_6=10000, var_1_7=0, var_1_9=1] [L121] var_1_16 = __VERIFIER_nondet_char() [L122] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1021/4, var_1_14=511/4, var_1_15=-1, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_6=10000, var_1_7=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1021/4, var_1_14=511/4, var_1_15=-1, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_6=10000, var_1_7=0, var_1_9=1] [L122] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, var_1_10=1021/4, var_1_14=511/4, var_1_15=-1, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_6=10000, var_1_7=0, var_1_9=1] [L123] CALL assume_abort_if_not(var_1_16 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=1021/4, var_1_14=511/4, var_1_15=-1, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_6=10000, var_1_7=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1021/4, var_1_14=511/4, var_1_15=-1, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_6=10000, var_1_7=0, var_1_9=1] [L123] RET assume_abort_if_not(var_1_16 <= 127) VAL [isInitial=1, var_1_10=1021/4, var_1_14=511/4, var_1_15=-1, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_6=10000, var_1_7=0, var_1_9=1] [L124] var_1_18 = __VERIFIER_nondet_uchar() [L125] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1021/4, var_1_14=511/4, var_1_15=-1, var_1_16=0, var_1_17=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_6=10000, var_1_7=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1021/4, var_1_14=511/4, var_1_15=-1, var_1_16=0, var_1_17=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_6=10000, var_1_7=0, var_1_9=1] [L125] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, var_1_10=1021/4, var_1_14=511/4, var_1_15=-1, var_1_16=0, var_1_17=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_6=10000, var_1_7=0, var_1_9=1] [L126] CALL assume_abort_if_not(var_1_18 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1021/4, var_1_14=511/4, var_1_15=-1, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_6=10000, var_1_7=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1021/4, var_1_14=511/4, var_1_15=-1, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_6=10000, var_1_7=0, var_1_9=1] [L126] RET assume_abort_if_not(var_1_18 <= 0) VAL [isInitial=1, var_1_10=1021/4, var_1_14=511/4, var_1_15=-1, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_6=10000, var_1_7=0, var_1_9=1] [L139] RET updateVariables() [L140] CALL step() [L46] COND FALSE !(var_1_2 <= var_1_3) [L53] var_1_1 = var_1_4 VAL [isInitial=1, var_1_10=1021/4, var_1_14=511/4, var_1_15=-1, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=2, var_1_20=0, var_1_21=256, var_1_2=2, var_1_3=1, var_1_4=2, var_1_6=10000, var_1_7=0, var_1_9=1] [L55] unsigned char stepLocal_0 = var_1_2 != var_1_3; VAL [isInitial=1, stepLocal_0=1, var_1_10=1021/4, var_1_14=511/4, var_1_15=-1, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=2, var_1_20=0, var_1_21=256, var_1_2=2, var_1_3=1, var_1_4=2, var_1_6=10000, var_1_7=0, var_1_9=1] [L56] COND FALSE !(\read(var_1_7)) [L67] var_1_6 = var_1_2 VAL [isInitial=1, stepLocal_0=1, var_1_10=1021/4, var_1_14=511/4, var_1_15=-1, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=2, var_1_20=0, var_1_21=256, var_1_2=2, var_1_3=1, var_1_4=2, var_1_6=2, var_1_7=0, var_1_9=1] [L69] COND TRUE (var_1_5 / var_1_11) >= (var_1_8 - var_1_4) [L70] var_1_10 = (((((var_1_5 - (var_1_12 - var_1_13))) < (var_1_4)) ? ((var_1_5 - (var_1_12 - var_1_13))) : (var_1_4))) VAL [isInitial=1, stepLocal_0=1, var_1_10=3, var_1_14=511/4, var_1_15=-1, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=2, var_1_20=0, var_1_21=256, var_1_2=2, var_1_3=1, var_1_4=2, var_1_6=2, var_1_7=0, var_1_9=1] [L74] COND TRUE (var_1_15 - ((((0) < (var_1_16)) ? (0) : (var_1_16)))) > var_1_6 [L75] var_1_14 = var_1_12 VAL [isInitial=1, stepLocal_0=1, var_1_10=3, var_1_12=4, var_1_14=4, var_1_15=-1, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=2, var_1_20=0, var_1_21=256, var_1_2=2, var_1_3=1, var_1_4=2, var_1_6=2, var_1_7=0, var_1_9=1] [L77] COND FALSE !(var_1_6 <= (var_1_16 * var_1_2)) [L84] var_1_17 = var_1_18 VAL [isInitial=1, stepLocal_0=1, var_1_10=3, var_1_12=4, var_1_14=4, var_1_15=-1, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=2, var_1_20=0, var_1_21=256, var_1_2=2, var_1_3=1, var_1_4=2, var_1_6=2, var_1_7=0, var_1_9=1] [L86] COND TRUE var_1_14 < var_1_11 [L87] var_1_19 = (var_1_13 - 256.4) VAL [isInitial=1, stepLocal_0=1, var_1_10=3, var_1_12=4, var_1_14=4, var_1_15=-1, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=2, var_1_20=0, var_1_21=256, var_1_2=2, var_1_3=1, var_1_4=2, var_1_6=2, var_1_7=0, var_1_9=1] [L89] var_1_20 = var_1_16 [L90] var_1_21 = var_1_16 VAL [isInitial=1, stepLocal_0=1, var_1_10=3, var_1_12=4, var_1_14=4, var_1_15=-1, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=2, var_1_20=0, var_1_21=0, var_1_2=2, var_1_3=1, var_1_4=2, var_1_6=2, var_1_7=0, var_1_9=1] [L140] RET step() [L141] CALL, EXPR property() [L131-L132] return ((((((((var_1_2 <= var_1_3) ? ((var_1_3 > var_1_2) ? (var_1_1 == ((float) (var_1_4 - var_1_5))) : (var_1_1 == ((float) var_1_5))) : (var_1_1 == ((float) var_1_4))) && (var_1_7 ? ((((((var_1_1) > (((((var_1_5) > (199.78)) ? (var_1_5) : (199.78))))) ? (var_1_1) : (((((var_1_5) > (199.78)) ? (var_1_5) : (199.78)))))) != (var_1_4 - var_1_8)) ? (((var_1_2 != var_1_3) || var_1_9) ? (var_1_6 == ((unsigned long int) var_1_2)) : (var_1_6 == ((unsigned long int) 5u))) : (var_1_6 == ((unsigned long int) var_1_2))) : (var_1_6 == ((unsigned long int) var_1_2)))) && (((var_1_5 / var_1_11) >= (var_1_8 - var_1_4)) ? (var_1_10 == ((float) (((((var_1_5 - (var_1_12 - var_1_13))) < (var_1_4)) ? ((var_1_5 - (var_1_12 - var_1_13))) : (var_1_4))))) : (var_1_10 == ((float) 4.2f)))) && (((var_1_15 - ((((0) < (var_1_16)) ? (0) : (var_1_16)))) > var_1_6) ? (var_1_14 == ((double) var_1_12)) : 1)) && ((var_1_6 <= (var_1_16 * var_1_2)) ? (((var_1_5 + var_1_1) <= 127.025f) ? (var_1_17 == ((unsigned char) var_1_18)) : (var_1_17 == ((unsigned char) var_1_18))) : (var_1_17 == ((unsigned char) var_1_18)))) && ((var_1_14 < var_1_11) ? (var_1_19 == ((double) (var_1_13 - 256.4))) : 1)) && (var_1_20 == ((unsigned char) var_1_16))) && (var_1_21 == ((unsigned short int) var_1_16)) ; VAL [\result=0, isInitial=1, var_1_10=3, var_1_12=4, var_1_14=4, var_1_15=-1, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=2, var_1_20=0, var_1_21=0, var_1_2=2, var_1_3=1, var_1_4=2, var_1_6=2, var_1_7=0, var_1_9=1] [L141] RET, EXPR property() [L141] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=3, var_1_12=4, var_1_14=4, var_1_15=-1, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=2, var_1_20=0, var_1_21=0, var_1_2=2, var_1_3=1, var_1_4=2, var_1_6=2, var_1_7=0, var_1_9=1] [L19] reach_error() VAL [isInitial=1, var_1_10=3, var_1_12=4, var_1_14=4, var_1_15=-1, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=2, var_1_20=0, var_1_21=0, var_1_2=2, var_1_3=1, var_1_4=2, var_1_6=2, var_1_7=0, var_1_9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 65 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 2, TraceHistogramMax: 21, 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, 91 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, 91 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 65 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=65occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 405 NumberOfCodeBlocks, 405 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 134 ConstructedInterpolants, 0 QuantifiedInterpolants, 134 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 840/840 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 04:18:13,703 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_steplocals_file-2.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 88d083b2955a39fa1df8b63324716d36866c117067c6dd3c09c49da8b0e366b3 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 04:18:15,982 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 04:18:16,105 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-07 04:18:16,113 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 04:18:16,113 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 04:18:16,139 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 04:18:16,140 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 04:18:16,140 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 04:18:16,141 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 04:18:16,141 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 04:18:16,141 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 04:18:16,142 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 04:18:16,142 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 04:18:16,142 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 04:18:16,142 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 04:18:16,142 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 04:18:16,143 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 04:18:16,143 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 04:18:16,143 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 04:18:16,143 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 04:18:16,143 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 04:18:16,143 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 04:18:16,144 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 04:18:16,144 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-07 04:18:16,144 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-07 04:18:16,144 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 04:18:16,144 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-07 04:18:16,144 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 04:18:16,144 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 04:18:16,144 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 04:18:16,145 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 04:18:16,145 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 04:18:16,145 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 04:18:16,145 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 04:18:16,145 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 04:18:16,146 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 04:18:16,146 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 04:18:16,146 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 04:18:16,146 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-07 04:18:16,146 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-07 04:18:16,146 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 04:18:16,146 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 04:18:16,146 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 04:18:16,146 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 04:18:16,147 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 -> 88d083b2955a39fa1df8b63324716d36866c117067c6dd3c09c49da8b0e366b3 [2024-11-07 04:18:16,455 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 04:18:16,461 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 04:18:16,463 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 04:18:16,464 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 04:18:16,464 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 04:18:16,465 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-2.i [2024-11-07 04:18:17,983 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 04:18:18,247 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 04:18:18,252 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-2.i [2024-11-07 04:18:18,265 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/cb57bc390/d50ea88ab84548548085b5e11f84e2f1/FLAGfc877d7e1 [2024-11-07 04:18:18,284 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/cb57bc390/d50ea88ab84548548085b5e11f84e2f1 [2024-11-07 04:18:18,287 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 04:18:18,289 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 04:18:18,293 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 04:18:18,294 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 04:18:18,298 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 04:18:18,299 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:18:18" (1/1) ... [2024-11-07 04:18:18,301 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a221433 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:18:18, skipping insertion in model container [2024-11-07 04:18:18,302 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:18:18" (1/1) ... [2024-11-07 04:18:18,319 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 04:18:18,457 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_steplocals_file-2.i[916,929] [2024-11-07 04:18:18,523 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 04:18:18,536 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 04:18:18,551 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_steplocals_file-2.i[916,929] [2024-11-07 04:18:18,581 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 04:18:18,597 INFO L204 MainTranslator]: Completed translation [2024-11-07 04:18:18,598 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:18:18 WrapperNode [2024-11-07 04:18:18,598 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 04:18:18,599 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 04:18:18,600 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 04:18:18,600 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 04:18:18,606 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:18:18" (1/1) ... [2024-11-07 04:18:18,616 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:18:18" (1/1) ... [2024-11-07 04:18:18,643 INFO L138 Inliner]: procedures = 27, calls = 34, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 142 [2024-11-07 04:18:18,649 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 04:18:18,650 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 04:18:18,650 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 04:18:18,650 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 04:18:18,668 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:18:18" (1/1) ... [2024-11-07 04:18:18,668 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:18:18" (1/1) ... [2024-11-07 04:18:18,674 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:18:18" (1/1) ... [2024-11-07 04:18:18,697 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 04:18:18,697 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:18:18" (1/1) ... [2024-11-07 04:18:18,697 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:18:18" (1/1) ... [2024-11-07 04:18:18,716 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:18:18" (1/1) ... [2024-11-07 04:18:18,723 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:18:18" (1/1) ... [2024-11-07 04:18:18,725 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:18:18" (1/1) ... [2024-11-07 04:18:18,729 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:18:18" (1/1) ... [2024-11-07 04:18:18,732 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 04:18:18,739 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 04:18:18,740 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 04:18:18,740 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 04:18:18,741 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:18:18" (1/1) ... [2024-11-07 04:18:18,751 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 04:18:18,764 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 04:18:18,779 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 04:18:18,785 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 04:18:18,805 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 04:18:18,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-07 04:18:18,805 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 04:18:18,805 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 04:18:18,805 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 04:18:18,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 04:18:18,895 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 04:18:18,898 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 04:18:34,809 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-07 04:18:34,809 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 04:18:34,819 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 04:18:34,819 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-07 04:18:34,820 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:18:34 BoogieIcfgContainer [2024-11-07 04:18:34,820 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 04:18:34,822 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 04:18:34,823 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 04:18:34,831 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 04:18:34,831 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 04:18:18" (1/3) ... [2024-11-07 04:18:34,832 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8630535 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:18:34, skipping insertion in model container [2024-11-07 04:18:34,832 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:18:18" (2/3) ... [2024-11-07 04:18:34,832 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8630535 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:18:34, skipping insertion in model container [2024-11-07 04:18:34,832 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:18:34" (3/3) ... [2024-11-07 04:18:34,833 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-2.i [2024-11-07 04:18:34,864 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 04:18:34,864 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-07 04:18:34,910 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 04:18:34,920 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;@b2d2eb0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 04:18:34,920 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-07 04:18:34,925 INFO L276 IsEmpty]: Start isEmpty. Operand has 65 states, 41 states have (on average 1.3658536585365855) internal successors, (56), 42 states have internal predecessors, (56), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-07 04:18:34,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-07 04:18:34,935 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 04:18:34,935 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:18:34,936 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 04:18:34,939 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 04:18:34,940 INFO L85 PathProgramCache]: Analyzing trace with hash -699396590, now seen corresponding path program 1 times [2024-11-07 04:18:34,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 04:18:34,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1407894189] [2024-11-07 04:18:34,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 04:18:34,956 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 04:18:34,956 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 04:18:34,960 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 04:18:34,962 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 04:18:35,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:18:35,599 INFO L255 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-07 04:18:35,606 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 04:18:35,648 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 296 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-07 04:18:35,649 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 04:18:35,650 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-07 04:18:35,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1407894189] [2024-11-07 04:18:35,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1407894189] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 04:18:35,650 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 04:18:35,651 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 04:18:35,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717540120] [2024-11-07 04:18:35,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 04:18:35,656 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-07 04:18:35,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-07 04:18:35,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-07 04:18:35,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-07 04:18:35,673 INFO L87 Difference]: Start difference. First operand has 65 states, 41 states have (on average 1.3658536585365855) internal successors, (56), 42 states have internal predecessors, (56), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) Second operand has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-07 04:18:35,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 04:18:35,694 INFO L93 Difference]: Finished difference Result 123 states and 211 transitions. [2024-11-07 04:18:35,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-07 04:18:35,696 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 135 [2024-11-07 04:18:35,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 04:18:35,702 INFO L225 Difference]: With dead ends: 123 [2024-11-07 04:18:35,702 INFO L226 Difference]: Without dead ends: 61 [2024-11-07 04:18:35,706 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 134 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 04:18:35,710 INFO L432 NwaCegarLoop]: 91 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, 91 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 04:18:35,711 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 04:18:35,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2024-11-07 04:18:35,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2024-11-07 04:18:35,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 38 states have (on average 1.2894736842105263) internal successors, (49), 38 states have internal predecessors, (49), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-07 04:18:35,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 91 transitions. [2024-11-07 04:18:35,747 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 91 transitions. Word has length 135 [2024-11-07 04:18:35,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 04:18:35,748 INFO L471 AbstractCegarLoop]: Abstraction has 61 states and 91 transitions. [2024-11-07 04:18:35,748 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-07 04:18:35,748 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 91 transitions. [2024-11-07 04:18:35,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-07 04:18:35,752 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 04:18:35,753 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:18:35,780 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 04:18:35,953 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 04:18:35,954 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 04:18:35,954 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 04:18:35,954 INFO L85 PathProgramCache]: Analyzing trace with hash 914090772, now seen corresponding path program 1 times [2024-11-07 04:18:35,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 04:18:35,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [704563938] [2024-11-07 04:18:35,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 04:18:35,956 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 04:18:35,956 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 04:18:35,958 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 04:18:35,959 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 04:18:36,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 04:18:36,700 INFO L255 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-07 04:18:36,713 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 04:18:57,263 WARN L286 SmtUtils]: Spent 8.15s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-07 04:19:05,415 WARN L286 SmtUtils]: Spent 8.15s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-07 04:19:13,562 WARN L286 SmtUtils]: Spent 8.15s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-07 04:19:21,728 WARN L286 SmtUtils]: Spent 8.17s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-07 04:19:29,879 WARN L286 SmtUtils]: Spent 8.15s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-07 04:19:38,032 WARN L286 SmtUtils]: Spent 8.15s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-07 04:19:49,551 WARN L286 SmtUtils]: Spent 8.15s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)