./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-78.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4f9af400 extending candidate: java ['java'] extending candidate: /usr/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/oracle-jdk-bin-*/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/openjdk-*/bin/java ['java', '/usr/bin/java'] extending candidate: /usr/lib/jvm/java-*-openjdk-amd64/bin/java ['java', '/usr/bin/java', '/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java', '/usr/lib/jvm/java-17-openjdk-amd64/bin/java', '/usr/lib/jvm/java-11-openjdk-amd64/bin/java', '/usr/lib/jvm/java-1.17.0-openjdk-amd64/bin/java'] ['/root/.sdkman/candidates/java/21.0.5-tem/bin/java', '-Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config', '-Xmx15G', '-Xms4m', '-jar', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar', '-data', '@noDefault', '-ultimatedata', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data', '-tc', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml', '-i', '../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-78.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', 'b1fd945e1ce3809aaa8f913c5bb91c12197d059ef9416e557ca516343fb44c25'] Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-78.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 b1fd945e1ce3809aaa8f913c5bb91c12197d059ef9416e557ca516343fb44c25 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 08:35:29,799 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 08:35:29,875 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-07 08:35:29,882 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 08:35:29,883 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 08:35:29,907 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 08:35:29,908 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 08:35:29,908 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 08:35:29,909 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 08:35:29,909 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 08:35:29,909 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 08:35:29,909 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 08:35:29,910 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 08:35:29,910 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 08:35:29,910 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 08:35:29,911 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 08:35:29,911 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 08:35:29,911 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 08:35:29,911 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 08:35:29,911 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 08:35:29,911 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 08:35:29,911 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 08:35:29,912 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 08:35:29,912 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 08:35:29,912 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 08:35:29,912 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 08:35:29,912 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 08:35:29,912 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 08:35:29,912 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 08:35:29,912 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 08:35:29,912 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 08:35:29,912 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 08:35:29,913 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 08:35:29,913 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 08:35:29,913 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 08:35:29,913 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 08:35:29,913 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 08:35:29,913 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 08:35:29,913 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 08:35:29,913 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 08:35:29,913 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 08:35:29,913 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 08:35:29,913 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 -> b1fd945e1ce3809aaa8f913c5bb91c12197d059ef9416e557ca516343fb44c25 [2024-11-07 08:35:30,133 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 08:35:30,143 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 08:35:30,147 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 08:35:30,148 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 08:35:30,152 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 08:35:30,153 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-78.i [2024-11-07 08:35:31,578 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 08:35:31,797 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 08:35:31,798 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-78.i [2024-11-07 08:35:31,809 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/91fbebcd1/2a01b5b62cc448ea9cb62fb6617deb8c/FLAG4e34f31d5 [2024-11-07 08:35:31,830 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/91fbebcd1/2a01b5b62cc448ea9cb62fb6617deb8c [2024-11-07 08:35:31,833 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 08:35:31,834 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 08:35:31,837 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 08:35:31,837 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 08:35:31,840 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 08:35:31,841 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:35:31" (1/1) ... [2024-11-07 08:35:31,842 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5065e7d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:35:31, skipping insertion in model container [2024-11-07 08:35:31,842 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:35:31" (1/1) ... [2024-11-07 08:35:31,857 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 08:35:31,975 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-78.i[915,928] [2024-11-07 08:35:32,012 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 08:35:32,023 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 08:35:32,031 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-78.i[915,928] [2024-11-07 08:35:32,053 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 08:35:32,068 INFO L204 MainTranslator]: Completed translation [2024-11-07 08:35:32,069 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:35:32 WrapperNode [2024-11-07 08:35:32,069 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 08:35:32,070 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 08:35:32,071 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 08:35:32,071 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 08:35:32,075 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:35:32" (1/1) ... [2024-11-07 08:35:32,082 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:35:32" (1/1) ... [2024-11-07 08:35:32,103 INFO L138 Inliner]: procedures = 26, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 124 [2024-11-07 08:35:32,106 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 08:35:32,108 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 08:35:32,108 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 08:35:32,108 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 08:35:32,118 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:35:32" (1/1) ... [2024-11-07 08:35:32,119 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:35:32" (1/1) ... [2024-11-07 08:35:32,125 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:35:32" (1/1) ... [2024-11-07 08:35:32,144 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-07 08:35:32,144 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:35:32" (1/1) ... [2024-11-07 08:35:32,145 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:35:32" (1/1) ... [2024-11-07 08:35:32,148 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:35:32" (1/1) ... [2024-11-07 08:35:32,154 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:35:32" (1/1) ... [2024-11-07 08:35:32,155 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:35:32" (1/1) ... [2024-11-07 08:35:32,155 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:35:32" (1/1) ... [2024-11-07 08:35:32,159 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 08:35:32,160 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 08:35:32,160 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 08:35:32,160 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 08:35:32,161 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:35:32" (1/1) ... [2024-11-07 08:35:32,167 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 08:35:32,178 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 08:35:32,189 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-07 08:35:32,195 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-07 08:35:32,209 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 08:35:32,209 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 08:35:32,209 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 08:35:32,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 08:35:32,209 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 08:35:32,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 08:35:32,274 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 08:35:32,275 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 08:35:32,474 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-07 08:35:32,475 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 08:35:32,484 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 08:35:32,485 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-07 08:35:32,485 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:35:32 BoogieIcfgContainer [2024-11-07 08:35:32,486 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 08:35:32,488 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 08:35:32,488 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 08:35:32,492 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 08:35:32,492 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 08:35:31" (1/3) ... [2024-11-07 08:35:32,493 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52ea4808 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:35:32, skipping insertion in model container [2024-11-07 08:35:32,493 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:35:32" (2/3) ... [2024-11-07 08:35:32,494 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52ea4808 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:35:32, skipping insertion in model container [2024-11-07 08:35:32,494 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:35:32" (3/3) ... [2024-11-07 08:35:32,495 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-while_file-78.i [2024-11-07 08:35:32,505 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 08:35:32,505 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-07 08:35:32,551 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 08:35:32,560 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;@69742076, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 08:35:32,561 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-07 08:35:32,564 INFO L276 IsEmpty]: Start isEmpty. Operand has 56 states, 33 states have (on average 1.303030303030303) internal successors, (43), 34 states have internal predecessors, (43), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-07 08:35:32,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-07 08:35:32,574 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 08:35:32,575 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 08:35:32,575 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 08:35:32,579 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 08:35:32,579 INFO L85 PathProgramCache]: Analyzing trace with hash 1548096651, now seen corresponding path program 1 times [2024-11-07 08:35:32,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 08:35:32,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1188638114] [2024-11-07 08:35:32,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 08:35:32,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 08:35:32,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:35:32,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 08:35:32,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:35:32,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 08:35:32,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:35:32,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 08:35:32,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:35:32,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 08:35:32,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:35:32,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 08:35:32,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:35:32,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 08:35:32,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:35:32,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 08:35:32,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:35:32,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 08:35:32,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:35:32,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 08:35:32,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:35:32,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 08:35:32,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:35:32,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 08:35:32,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:35:32,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 08:35:32,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:35:32,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 08:35:32,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:35:32,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 08:35:32,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:35:32,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 08:35:32,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:35:32,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 08:35:32,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:35:32,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 08:35:32,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:35:32,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 08:35:32,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:35:32,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 08:35:32,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:35:32,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-07 08:35:32,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:35:32,975 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-07 08:35:32,975 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 08:35:32,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1188638114] [2024-11-07 08:35:32,978 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1188638114] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 08:35:32,978 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 08:35:32,978 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 08:35:32,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881728406] [2024-11-07 08:35:32,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 08:35:32,983 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-07 08:35:32,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 08:35:32,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-07 08:35:32,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-07 08:35:33,001 INFO L87 Difference]: Start difference. First operand has 56 states, 33 states have (on average 1.303030303030303) internal successors, (43), 34 states have internal predecessors, (43), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-07 08:35:33,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 08:35:33,023 INFO L93 Difference]: Finished difference Result 105 states and 180 transitions. [2024-11-07 08:35:33,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-07 08:35:33,024 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) Word has length 125 [2024-11-07 08:35:33,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 08:35:33,030 INFO L225 Difference]: With dead ends: 105 [2024-11-07 08:35:33,030 INFO L226 Difference]: Without dead ends: 52 [2024-11-07 08:35:33,033 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-07 08:35:33,036 INFO L432 NwaCegarLoop]: 75 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, 75 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 08:35:33,037 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 08:35:33,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2024-11-07 08:35:33,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2024-11-07 08:35:33,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 30 states have (on average 1.1666666666666667) internal successors, (35), 30 states have internal predecessors, (35), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-07 08:35:33,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 75 transitions. [2024-11-07 08:35:33,071 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 75 transitions. Word has length 125 [2024-11-07 08:35:33,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 08:35:33,072 INFO L471 AbstractCegarLoop]: Abstraction has 52 states and 75 transitions. [2024-11-07 08:35:33,073 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-07 08:35:33,073 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 75 transitions. [2024-11-07 08:35:33,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-07 08:35:33,078 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 08:35:33,078 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 08:35:33,078 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 08:35:33,078 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 08:35:33,079 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 08:35:33,079 INFO L85 PathProgramCache]: Analyzing trace with hash -974018675, now seen corresponding path program 1 times [2024-11-07 08:35:33,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 08:35:33,079 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1479640467] [2024-11-07 08:35:33,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 08:35:33,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 08:35:33,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 08:35:33,275 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-07 08:35:33,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 08:35:33,402 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-07 08:35:33,403 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-07 08:35:33,404 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-07 08:35:33,406 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 08:35:33,408 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-07 08:35:33,490 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-07 08:35:33,492 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 08:35:33 BoogieIcfgContainer [2024-11-07 08:35:33,492 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-07 08:35:33,493 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-07 08:35:33,493 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-07 08:35:33,493 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-07 08:35:33,494 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:35:32" (3/4) ... [2024-11-07 08:35:33,495 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-07 08:35:33,496 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-07 08:35:33,497 INFO L158 Benchmark]: Toolchain (without parser) took 1662.64ms. Allocated memory is still 142.6MB. Free memory was 116.6MB in the beginning and 90.3MB in the end (delta: 26.3MB). Peak memory consumption was 22.5MB. Max. memory is 16.1GB. [2024-11-07 08:35:33,497 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 117.4MB. Free memory is still 80.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 08:35:33,498 INFO L158 Benchmark]: CACSL2BoogieTranslator took 233.46ms. Allocated memory is still 142.6MB. Free memory was 116.5MB in the beginning and 103.9MB in the end (delta: 12.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-07 08:35:33,498 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.17ms. Allocated memory is still 142.6MB. Free memory was 103.9MB in the beginning and 102.2MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-07 08:35:33,499 INFO L158 Benchmark]: Boogie Preprocessor took 51.93ms. Allocated memory is still 142.6MB. Free memory was 102.2MB in the beginning and 100.3MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 08:35:33,500 INFO L158 Benchmark]: RCFGBuilder took 325.55ms. Allocated memory is still 142.6MB. Free memory was 100.2MB in the beginning and 85.2MB in the end (delta: 15.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-07 08:35:33,500 INFO L158 Benchmark]: TraceAbstraction took 1004.47ms. Allocated memory is still 142.6MB. Free memory was 84.8MB in the beginning and 90.4MB in the end (delta: -5.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 08:35:33,501 INFO L158 Benchmark]: Witness Printer took 3.02ms. Allocated memory is still 142.6MB. Free memory was 90.4MB in the beginning and 90.3MB in the end (delta: 52.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 08:35:33,501 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 117.4MB. Free memory is still 80.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 233.46ms. Allocated memory is still 142.6MB. Free memory was 116.5MB in the beginning and 103.9MB in the end (delta: 12.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.17ms. Allocated memory is still 142.6MB. Free memory was 103.9MB in the beginning and 102.2MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.93ms. Allocated memory is still 142.6MB. Free memory was 102.2MB in the beginning and 100.3MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 325.55ms. Allocated memory is still 142.6MB. Free memory was 100.2MB in the beginning and 85.2MB in the end (delta: 15.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1004.47ms. Allocated memory is still 142.6MB. Free memory was 84.8MB in the beginning and 90.4MB in the end (delta: -5.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.02ms. Allocated memory is still 142.6MB. Free memory was 90.4MB in the beginning and 90.3MB in the end (delta: 52.0kB). 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 99, overapproximation of someUnaryDOUBLEoperation at line 36. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = -200; [L23] unsigned char var_1_2 = 0; [L24] unsigned char var_1_3 = 1; [L25] signed long int var_1_6 = 128; [L26] signed long int var_1_7 = 10; [L27] signed short int var_1_8 = 0; [L28] signed short int var_1_9 = 25; [L29] signed short int var_1_10 = 32; [L30] signed short int var_1_11 = 1000; [L31] signed short int var_1_12 = 25; [L32] signed short int var_1_13 = 128; [L33] unsigned long int var_1_14 = 5; [L34] float var_1_15 = 8.25; [L35] float var_1_16 = 63.5; [L36] float var_1_17 = -0.6; [L37] signed long int last_1_var_1_1 = -200; VAL [isInitial=0, last_1_var_1_1=-200, var_1_10=32, var_1_11=1000, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=0, var_1_3=1, var_1_6=128, var_1_7=10, var_1_8=0, var_1_9=25] [L103] isInitial = 1 [L104] FCALL initially() [L105] COND TRUE 1 [L106] CALL updateLastVariables() [L96] last_1_var_1_1 = var_1_1 VAL [isInitial=1, last_1_var_1_1=-200, var_1_10=32, var_1_11=1000, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=0, var_1_3=1, var_1_6=128, var_1_7=10, var_1_8=0, var_1_9=25] [L106] RET updateLastVariables() [L107] CALL updateVariables() [L63] var_1_2 = __VERIFIER_nondet_uchar() [L64] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-200, var_1_10=32, var_1_11=1000, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_3=1, var_1_6=128, var_1_7=10, var_1_8=0, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-200, var_1_10=32, var_1_11=1000, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_3=1, var_1_6=128, var_1_7=10, var_1_8=0, var_1_9=25] [L64] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_1=-200, var_1_10=32, var_1_11=1000, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_3=1, var_1_6=128, var_1_7=10, var_1_8=0, var_1_9=25] [L65] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-200, var_1_10=32, var_1_11=1000, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=1, var_1_6=128, var_1_7=10, var_1_8=0, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-200, var_1_10=32, var_1_11=1000, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=1, var_1_6=128, var_1_7=10, var_1_8=0, var_1_9=25] [L65] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, last_1_var_1_1=-200, var_1_10=32, var_1_11=1000, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=1, var_1_6=128, var_1_7=10, var_1_8=0, var_1_9=25] [L66] var_1_3 = __VERIFIER_nondet_uchar() [L67] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-200, var_1_10=32, var_1_11=1000, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_6=128, var_1_7=10, var_1_8=0, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-200, var_1_10=32, var_1_11=1000, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_6=128, var_1_7=10, var_1_8=0, var_1_9=25] [L67] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, last_1_var_1_1=-200, var_1_10=32, var_1_11=1000, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_6=128, var_1_7=10, var_1_8=0, var_1_9=25] [L68] CALL assume_abort_if_not(var_1_3 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-200, var_1_10=32, var_1_11=1000, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=128, var_1_7=10, var_1_8=0, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-200, var_1_10=32, var_1_11=1000, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=128, var_1_7=10, var_1_8=0, var_1_9=25] [L68] RET assume_abort_if_not(var_1_3 <= 1) VAL [isInitial=1, last_1_var_1_1=-200, var_1_10=32, var_1_11=1000, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=128, var_1_7=10, var_1_8=0, var_1_9=25] [L69] var_1_6 = __VERIFIER_nondet_long() [L70] CALL assume_abort_if_not(var_1_6 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-200, var_1_10=32, var_1_11=1000, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=10, var_1_8=0, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-200, var_1_10=32, var_1_11=1000, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=10, var_1_8=0, var_1_9=25] [L70] RET assume_abort_if_not(var_1_6 >= -1) VAL [isInitial=1, last_1_var_1_1=-200, var_1_10=32, var_1_11=1000, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=10, var_1_8=0, var_1_9=25] [L71] CALL assume_abort_if_not(var_1_6 <= 2147483646) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-200, var_1_10=32, var_1_11=1000, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=10, var_1_8=0, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-200, var_1_10=32, var_1_11=1000, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=10, var_1_8=0, var_1_9=25] [L71] RET assume_abort_if_not(var_1_6 <= 2147483646) VAL [isInitial=1, last_1_var_1_1=-200, var_1_10=32, var_1_11=1000, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=10, var_1_8=0, var_1_9=25] [L72] var_1_7 = __VERIFIER_nondet_long() [L73] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-200, var_1_10=32, var_1_11=1000, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-200, var_1_10=32, var_1_11=1000, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=25] [L73] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_1=-200, var_1_10=32, var_1_11=1000, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=25] [L74] CALL assume_abort_if_not(var_1_7 <= 2147483646) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-200, var_1_10=32, var_1_11=1000, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-200, var_1_10=32, var_1_11=1000, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=25] [L74] RET assume_abort_if_not(var_1_7 <= 2147483646) VAL [isInitial=1, last_1_var_1_1=-200, var_1_10=32, var_1_11=1000, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=25] [L75] var_1_9 = __VERIFIER_nondet_short() [L76] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-200, var_1_10=32, var_1_11=1000, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=16382] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-200, var_1_10=32, var_1_11=1000, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=16382] [L76] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_1=-200, var_1_10=32, var_1_11=1000, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=16382] [L77] CALL assume_abort_if_not(var_1_9 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-200, var_1_10=32, var_1_11=1000, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=16382] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-200, var_1_10=32, var_1_11=1000, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=16382] [L77] RET assume_abort_if_not(var_1_9 <= 16383) VAL [isInitial=1, last_1_var_1_1=-200, var_1_10=32, var_1_11=1000, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=16382] [L78] var_1_10 = __VERIFIER_nondet_short() [L79] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-200, var_1_10=16383, var_1_11=1000, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=16382] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-200, var_1_10=16383, var_1_11=1000, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=16382] [L79] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, last_1_var_1_1=-200, var_1_10=16383, var_1_11=1000, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=16382] [L80] CALL assume_abort_if_not(var_1_10 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-200, var_1_10=16383, var_1_11=1000, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=16382] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-200, var_1_10=16383, var_1_11=1000, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=16382] [L80] RET assume_abort_if_not(var_1_10 <= 16383) VAL [isInitial=1, last_1_var_1_1=-200, var_1_10=16383, var_1_11=1000, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=16382] [L81] var_1_11 = __VERIFIER_nondet_short() [L82] CALL assume_abort_if_not(var_1_11 >= -8191) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-200, var_1_10=16383, var_1_11=-200, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=16382] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-200, var_1_10=16383, var_1_11=-200, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=16382] [L82] RET assume_abort_if_not(var_1_11 >= -8191) VAL [isInitial=1, last_1_var_1_1=-200, var_1_10=16383, var_1_11=-200, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=16382] [L83] CALL assume_abort_if_not(var_1_11 <= 8192) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-200, var_1_10=16383, var_1_11=-200, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=16382] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-200, var_1_10=16383, var_1_11=-200, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=16382] [L83] RET assume_abort_if_not(var_1_11 <= 8192) VAL [isInitial=1, last_1_var_1_1=-200, var_1_10=16383, var_1_11=-200, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=16382] [L84] var_1_12 = __VERIFIER_nondet_short() [L85] CALL assume_abort_if_not(var_1_12 >= -8191) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-200, var_1_10=16383, var_1_11=-200, var_1_12=8191, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=16382] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-200, var_1_10=16383, var_1_11=-200, var_1_12=8191, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=16382] [L85] RET assume_abort_if_not(var_1_12 >= -8191) VAL [isInitial=1, last_1_var_1_1=-200, var_1_10=16383, var_1_11=-200, var_1_12=8191, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=16382] [L86] CALL assume_abort_if_not(var_1_12 <= 8191) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-200, var_1_10=16383, var_1_11=-200, var_1_12=8191, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=16382] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-200, var_1_10=16383, var_1_11=-200, var_1_12=8191, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=16382] [L86] RET assume_abort_if_not(var_1_12 <= 8191) VAL [isInitial=1, last_1_var_1_1=-200, var_1_10=16383, var_1_11=-200, var_1_12=8191, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=16382] [L87] var_1_13 = __VERIFIER_nondet_short() [L88] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-200, var_1_10=16383, var_1_11=-200, var_1_12=8191, var_1_13=32766, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=16382] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-200, var_1_10=16383, var_1_11=-200, var_1_12=8191, var_1_13=32766, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=16382] [L88] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_1=-200, var_1_10=16383, var_1_11=-200, var_1_12=8191, var_1_13=32766, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=16382] [L89] CALL assume_abort_if_not(var_1_13 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-200, var_1_10=16383, var_1_11=-200, var_1_12=8191, var_1_13=32766, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=16382] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-200, var_1_10=16383, var_1_11=-200, var_1_12=8191, var_1_13=32766, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=16382] [L89] RET assume_abort_if_not(var_1_13 <= 32766) VAL [isInitial=1, last_1_var_1_1=-200, var_1_10=16383, var_1_11=-200, var_1_12=8191, var_1_13=32766, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=16382] [L90] var_1_16 = __VERIFIER_nondet_float() [L91] CALL assume_abort_if_not((var_1_16 >= -922337.2036854765600e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-200, var_1_10=16383, var_1_11=-200, var_1_12=8191, var_1_13=32766, var_1_14=5, var_1_15=33/4, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=16382] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-200, var_1_10=16383, var_1_11=-200, var_1_12=8191, var_1_13=32766, var_1_14=5, var_1_15=33/4, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=16382] [L91] RET assume_abort_if_not((var_1_16 >= -922337.2036854765600e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_1=-200, var_1_10=16383, var_1_11=-200, var_1_12=8191, var_1_13=32766, var_1_14=5, var_1_15=33/4, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=16382] [L92] var_1_17 = __VERIFIER_nondet_float() [L93] CALL assume_abort_if_not((var_1_17 >= -922337.2036854765600e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854765600e+12F && var_1_17 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-200, var_1_10=16383, var_1_11=-200, var_1_12=8191, var_1_13=32766, var_1_14=5, var_1_15=33/4, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=16382] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-200, var_1_10=16383, var_1_11=-200, var_1_12=8191, var_1_13=32766, var_1_14=5, var_1_15=33/4, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=16382] [L93] RET assume_abort_if_not((var_1_17 >= -922337.2036854765600e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854765600e+12F && var_1_17 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_1=-200, var_1_10=16383, var_1_11=-200, var_1_12=8191, var_1_13=32766, var_1_14=5, var_1_15=33/4, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=16382] [L107] RET updateVariables() [L108] CALL step() [L41] COND TRUE \read(var_1_3) [L42] var_1_14 = (2931747731u - var_1_10) VAL [isInitial=1, last_1_var_1_1=-200, var_1_10=16383, var_1_11=-200, var_1_12=8191, var_1_13=32766, var_1_14=2931731348, var_1_15=33/4, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=16382] [L44] unsigned char stepLocal_1 = var_1_3; [L45] unsigned char stepLocal_0 = var_1_2; VAL [isInitial=1, last_1_var_1_1=-200, stepLocal_0=-256, stepLocal_1=-255, var_1_10=16383, var_1_11=-200, var_1_12=8191, var_1_13=32766, var_1_14=2931731348, var_1_15=33/4, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=16382] [L46] COND FALSE !(var_1_2 && stepLocal_1) VAL [isInitial=1, last_1_var_1_1=-200, stepLocal_0=-256, var_1_10=16383, var_1_11=-200, var_1_12=8191, var_1_13=32766, var_1_14=2931731348, var_1_15=33/4, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=16382] [L53] COND FALSE !(var_1_14 > var_1_14) [L56] var_1_8 = (((((var_1_9) < (var_1_10)) ? (var_1_9) : (var_1_10))) - var_1_13) VAL [isInitial=1, last_1_var_1_1=-200, stepLocal_0=-256, var_1_10=16383, var_1_11=-200, var_1_12=8191, var_1_13=32766, var_1_14=2931731348, var_1_15=33/4, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=-16384, var_1_9=16382] [L58] COND TRUE var_1_11 >= var_1_1 [L59] var_1_15 = ((((var_1_16) > (var_1_17)) ? (var_1_16) : (var_1_17))) VAL [isInitial=1, last_1_var_1_1=-200, stepLocal_0=-256, var_1_10=16383, var_1_11=-200, var_1_12=8191, var_1_13=32766, var_1_14=2931731348, var_1_15=2931731353, var_1_16=2931731353, var_1_17=2931731353, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=-16384, var_1_9=16382] [L108] RET step() [L109] CALL, EXPR property() [L99-L100] return ((((var_1_2 && var_1_3) ? ((var_1_2 && (var_1_14 > last_1_var_1_1)) ? (var_1_1 == ((signed long int) (var_1_6 - var_1_7))) : (var_1_1 == ((signed long int) var_1_6))) : 1) && ((var_1_14 > var_1_14) ? (var_1_8 == ((signed short int) ((var_1_9 - var_1_10) + ((((-4) < ((var_1_11 + var_1_12))) ? (-4) : ((var_1_11 + var_1_12))))))) : (var_1_8 == ((signed short int) (((((var_1_9) < (var_1_10)) ? (var_1_9) : (var_1_10))) - var_1_13))))) && (var_1_3 ? (var_1_14 == ((unsigned long int) (2931747731u - var_1_10))) : 1)) && ((var_1_11 >= var_1_1) ? (var_1_15 == ((float) ((((var_1_16) > (var_1_17)) ? (var_1_16) : (var_1_17))))) : 1) ; VAL [\result=0, isInitial=1, last_1_var_1_1=-200, var_1_10=16383, var_1_11=-200, var_1_12=8191, var_1_13=32766, var_1_14=2931731348, var_1_15=2931731353, var_1_16=2931731353, var_1_17=2931731353, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=-16384, var_1_9=16382] [L109] RET, EXPR property() [L109] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_1=-200, var_1_10=16383, var_1_11=-200, var_1_12=8191, var_1_13=32766, var_1_14=2931731348, var_1_15=2931731353, var_1_16=2931731353, var_1_17=2931731353, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=-16384, var_1_9=16382] [L19] reach_error() VAL [isInitial=1, last_1_var_1_1=-200, var_1_10=16383, var_1_11=-200, var_1_12=8191, var_1_13=32766, var_1_14=2931731348, var_1_15=2931731353, var_1_16=2931731353, var_1_17=2931731353, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=-16384, var_1_9=16382] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 56 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 20, 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, 75 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, 75 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 62 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=56occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 250 NumberOfCodeBlocks, 250 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 124 ConstructedInterpolants, 0 QuantifiedInterpolants, 124 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 760/760 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-07 08:35:33,527 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_loopvsstraightlinecode_25-while_file-78.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 b1fd945e1ce3809aaa8f913c5bb91c12197d059ef9416e557ca516343fb44c25 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 08:35:35,565 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 08:35:35,611 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-07 08:35:35,645 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 08:35:35,645 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 08:35:35,675 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 08:35:35,676 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 08:35:35,677 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 08:35:35,677 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 08:35:35,677 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 08:35:35,677 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 08:35:35,677 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 08:35:35,677 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 08:35:35,678 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 08:35:35,678 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 08:35:35,678 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 08:35:35,678 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 08:35:35,678 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 08:35:35,678 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 08:35:35,678 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 08:35:35,678 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 08:35:35,678 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 08:35:35,678 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 08:35:35,679 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-07 08:35:35,679 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-07 08:35:35,679 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 08:35:35,679 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-07 08:35:35,679 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 08:35:35,679 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 08:35:35,679 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 08:35:35,679 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 08:35:35,679 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 08:35:35,679 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 08:35:35,679 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 08:35:35,680 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 08:35:35,680 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 08:35:35,680 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 08:35:35,680 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 08:35:35,680 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-07 08:35:35,680 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-07 08:35:35,680 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 08:35:35,680 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 08:35:35,680 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 08:35:35,680 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 08:35:35,680 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 -> b1fd945e1ce3809aaa8f913c5bb91c12197d059ef9416e557ca516343fb44c25 [2024-11-07 08:35:35,930 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 08:35:35,940 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 08:35:35,947 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 08:35:35,952 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 08:35:35,952 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 08:35:35,954 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-78.i [2024-11-07 08:35:37,367 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 08:35:37,571 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 08:35:37,572 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-78.i [2024-11-07 08:35:37,581 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/5e53f083d/3669d586e62b43faba46d77b9579388f/FLAGc826dd0ff [2024-11-07 08:35:37,612 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/5e53f083d/3669d586e62b43faba46d77b9579388f [2024-11-07 08:35:37,616 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 08:35:37,617 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 08:35:37,619 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 08:35:37,620 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 08:35:37,626 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 08:35:37,626 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:35:37" (1/1) ... [2024-11-07 08:35:37,627 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c90e6ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:35:37, skipping insertion in model container [2024-11-07 08:35:37,627 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:35:37" (1/1) ... [2024-11-07 08:35:37,645 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 08:35:37,753 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-78.i[915,928] [2024-11-07 08:35:37,798 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 08:35:37,821 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 08:35:37,833 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-78.i[915,928] [2024-11-07 08:35:37,856 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 08:35:37,868 INFO L204 MainTranslator]: Completed translation [2024-11-07 08:35:37,869 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:35:37 WrapperNode [2024-11-07 08:35:37,869 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 08:35:37,870 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 08:35:37,870 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 08:35:37,870 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 08:35:37,878 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:35:37" (1/1) ... [2024-11-07 08:35:37,889 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:35:37" (1/1) ... [2024-11-07 08:35:37,908 INFO L138 Inliner]: procedures = 27, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 117 [2024-11-07 08:35:37,908 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 08:35:37,909 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 08:35:37,911 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 08:35:37,911 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 08:35:37,923 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:35:37" (1/1) ... [2024-11-07 08:35:37,924 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:35:37" (1/1) ... [2024-11-07 08:35:37,926 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:35:37" (1/1) ... [2024-11-07 08:35:37,946 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-07 08:35:37,946 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:35:37" (1/1) ... [2024-11-07 08:35:37,947 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:35:37" (1/1) ... [2024-11-07 08:35:37,955 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:35:37" (1/1) ... [2024-11-07 08:35:37,957 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:35:37" (1/1) ... [2024-11-07 08:35:37,959 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:35:37" (1/1) ... [2024-11-07 08:35:37,959 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:35:37" (1/1) ... [2024-11-07 08:35:37,961 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 08:35:37,962 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 08:35:37,962 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 08:35:37,962 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 08:35:37,963 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:35:37" (1/1) ... [2024-11-07 08:35:37,967 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 08:35:37,977 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 08:35:37,988 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-07 08:35:37,991 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-07 08:35:38,008 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 08:35:38,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-07 08:35:38,008 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 08:35:38,008 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 08:35:38,008 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 08:35:38,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 08:35:38,095 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 08:35:38,097 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 08:35:38,295 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-07 08:35:38,295 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 08:35:38,302 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 08:35:38,302 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-07 08:35:38,302 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:35:38 BoogieIcfgContainer [2024-11-07 08:35:38,302 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 08:35:38,304 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 08:35:38,304 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 08:35:38,308 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 08:35:38,308 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 08:35:37" (1/3) ... [2024-11-07 08:35:38,309 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@709024cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:35:38, skipping insertion in model container [2024-11-07 08:35:38,309 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:35:37" (2/3) ... [2024-11-07 08:35:38,309 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@709024cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:35:38, skipping insertion in model container [2024-11-07 08:35:38,309 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:35:38" (3/3) ... [2024-11-07 08:35:38,310 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-while_file-78.i [2024-11-07 08:35:38,320 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 08:35:38,321 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-07 08:35:38,356 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 08:35:38,365 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;@4a7e9abc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 08:35:38,365 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-07 08:35:38,368 INFO L276 IsEmpty]: Start isEmpty. Operand has 56 states, 33 states have (on average 1.303030303030303) internal successors, (43), 34 states have internal predecessors, (43), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-07 08:35:38,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-07 08:35:38,376 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 08:35:38,377 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 08:35:38,377 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 08:35:38,380 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 08:35:38,380 INFO L85 PathProgramCache]: Analyzing trace with hash 1548096651, now seen corresponding path program 1 times [2024-11-07 08:35:38,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 08:35:38,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [454929778] [2024-11-07 08:35:38,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 08:35:38,407 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-07 08:35:38,407 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 08:35:38,410 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-07 08:35:38,412 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-07 08:35:38,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:35:38,587 INFO L255 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-07 08:35:38,596 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 08:35:38,637 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 398 proven. 0 refuted. 0 times theorem prover too weak. 362 trivial. 0 not checked. [2024-11-07 08:35:38,637 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 08:35:38,638 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-07 08:35:38,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [454929778] [2024-11-07 08:35:38,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [454929778] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 08:35:38,638 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 08:35:38,639 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 08:35:38,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1085530506] [2024-11-07 08:35:38,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 08:35:38,647 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-07 08:35:38,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-07 08:35:38,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-07 08:35:38,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-07 08:35:38,667 INFO L87 Difference]: Start difference. First operand has 56 states, 33 states have (on average 1.303030303030303) internal successors, (43), 34 states have internal predecessors, (43), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-07 08:35:38,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 08:35:38,690 INFO L93 Difference]: Finished difference Result 105 states and 180 transitions. [2024-11-07 08:35:38,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-07 08:35:38,692 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 125 [2024-11-07 08:35:38,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 08:35:38,696 INFO L225 Difference]: With dead ends: 105 [2024-11-07 08:35:38,697 INFO L226 Difference]: Without dead ends: 52 [2024-11-07 08:35:38,699 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-07 08:35:38,701 INFO L432 NwaCegarLoop]: 75 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, 75 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 08:35:38,701 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 08:35:38,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2024-11-07 08:35:38,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2024-11-07 08:35:38,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 30 states have (on average 1.1666666666666667) internal successors, (35), 30 states have internal predecessors, (35), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-07 08:35:38,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 75 transitions. [2024-11-07 08:35:38,742 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 75 transitions. Word has length 125 [2024-11-07 08:35:38,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 08:35:38,742 INFO L471 AbstractCegarLoop]: Abstraction has 52 states and 75 transitions. [2024-11-07 08:35:38,743 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-07 08:35:38,743 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 75 transitions. [2024-11-07 08:35:38,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-07 08:35:38,746 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 08:35:38,747 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 08:35:38,754 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-07 08:35:38,948 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-07 08:35:38,948 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 08:35:38,949 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 08:35:38,950 INFO L85 PathProgramCache]: Analyzing trace with hash -974018675, now seen corresponding path program 1 times [2024-11-07 08:35:38,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 08:35:38,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1123127933] [2024-11-07 08:35:38,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 08:35:38,952 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-07 08:35:38,952 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 08:35:38,956 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-07 08:35:38,957 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-07 08:35:39,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:35:39,084 INFO L255 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-07 08:35:39,097 INFO L278 TraceCheckSpWp]: Computing forward predicates...