./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-17.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_50-while_file-17.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', 'dafa341f40b13e49f80402e9ea3402d959e0a4d8911cbb5b816668fe007b77dd'] 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_50-while_file-17.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 dafa341f40b13e49f80402e9ea3402d959e0a4d8911cbb5b816668fe007b77dd --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 08:50:30,485 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 08:50:30,565 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-07 08:50:30,569 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 08:50:30,569 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 08:50:30,587 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 08:50:30,589 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 08:50:30,589 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 08:50:30,590 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 08:50:30,590 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 08:50:30,590 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 08:50:30,590 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 08:50:30,590 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 08:50:30,590 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 08:50:30,590 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 08:50:30,591 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 08:50:30,591 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 08:50:30,591 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 08:50:30,591 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 08:50:30,591 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 08:50:30,591 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 08:50:30,591 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 08:50:30,591 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 08:50:30,591 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 08:50:30,591 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 08:50:30,591 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 08:50:30,591 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 08:50:30,591 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 08:50:30,592 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 08:50:30,592 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 08:50:30,592 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 08:50:30,592 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 08:50:30,592 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 08:50:30,592 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 08:50:30,592 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 08:50:30,592 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 08:50:30,592 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 08:50:30,592 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 08:50:30,592 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 08:50:30,592 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 08:50:30,593 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 08:50:30,593 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 08:50:30,593 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 -> dafa341f40b13e49f80402e9ea3402d959e0a4d8911cbb5b816668fe007b77dd [2024-11-07 08:50:30,827 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 08:50:30,837 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 08:50:30,839 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 08:50:30,840 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 08:50:30,840 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 08:50:30,841 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-17.i [2024-11-07 08:50:31,906 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 08:50:32,155 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 08:50:32,156 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-17.i [2024-11-07 08:50:32,162 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/6598c1dce/3fafb24405884686894c825c973c38c9/FLAG1164127c3 [2024-11-07 08:50:32,488 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/6598c1dce/3fafb24405884686894c825c973c38c9 [2024-11-07 08:50:32,490 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 08:50:32,491 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 08:50:32,492 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 08:50:32,492 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 08:50:32,495 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 08:50:32,496 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:50:32" (1/1) ... [2024-11-07 08:50:32,496 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e4ef3f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:50:32, skipping insertion in model container [2024-11-07 08:50:32,496 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:50:32" (1/1) ... [2024-11-07 08:50:32,508 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 08:50:32,623 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_50-while_file-17.i[915,928] [2024-11-07 08:50:32,679 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 08:50:32,694 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 08:50:32,702 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_50-while_file-17.i[915,928] [2024-11-07 08:50:32,733 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 08:50:32,744 INFO L204 MainTranslator]: Completed translation [2024-11-07 08:50:32,745 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:50:32 WrapperNode [2024-11-07 08:50:32,745 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 08:50:32,746 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 08:50:32,746 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 08:50:32,746 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 08:50:32,751 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:50:32" (1/1) ... [2024-11-07 08:50:32,758 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:50:32" (1/1) ... [2024-11-07 08:50:32,801 INFO L138 Inliner]: procedures = 26, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 162 [2024-11-07 08:50:32,801 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 08:50:32,802 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 08:50:32,802 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 08:50:32,802 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 08:50:32,814 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:50:32" (1/1) ... [2024-11-07 08:50:32,815 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:50:32" (1/1) ... [2024-11-07 08:50:32,817 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:50:32" (1/1) ... [2024-11-07 08:50:32,834 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 08:50:32,834 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:50:32" (1/1) ... [2024-11-07 08:50:32,834 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:50:32" (1/1) ... [2024-11-07 08:50:32,842 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:50:32" (1/1) ... [2024-11-07 08:50:32,845 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:50:32" (1/1) ... [2024-11-07 08:50:32,846 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:50:32" (1/1) ... [2024-11-07 08:50:32,847 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:50:32" (1/1) ... [2024-11-07 08:50:32,849 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 08:50:32,855 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 08:50:32,855 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 08:50:32,855 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 08:50:32,857 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:50:32" (1/1) ... [2024-11-07 08:50:32,861 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 08:50:32,871 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 08:50:32,882 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 08:50:32,884 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 08:50:32,902 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 08:50:32,902 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 08:50:32,903 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 08:50:32,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 08:50:32,903 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 08:50:32,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 08:50:32,960 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 08:50:32,961 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 08:50:33,263 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-07 08:50:33,263 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 08:50:33,269 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 08:50:33,269 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-07 08:50:33,269 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:50:33 BoogieIcfgContainer [2024-11-07 08:50:33,269 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 08:50:33,271 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 08:50:33,272 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 08:50:33,275 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 08:50:33,275 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 08:50:32" (1/3) ... [2024-11-07 08:50:33,275 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5020b67e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:50:33, skipping insertion in model container [2024-11-07 08:50:33,276 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:50:32" (2/3) ... [2024-11-07 08:50:33,276 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5020b67e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:50:33, skipping insertion in model container [2024-11-07 08:50:33,276 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:50:33" (3/3) ... [2024-11-07 08:50:33,277 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-while_file-17.i [2024-11-07 08:50:33,287 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 08:50:33,287 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-07 08:50:33,333 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 08:50:33,344 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;@3df97f6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 08:50:33,344 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-07 08:50:33,348 INFO L276 IsEmpty]: Start isEmpty. Operand has 74 states, 53 states have (on average 1.4150943396226414) internal successors, (75), 54 states have internal predecessors, (75), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-07 08:50:33,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-07 08:50:33,355 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 08:50:33,355 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:50:33,355 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 08:50:33,358 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 08:50:33,358 INFO L85 PathProgramCache]: Analyzing trace with hash 644121053, now seen corresponding path program 1 times [2024-11-07 08:50:33,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 08:50:33,363 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1057438480] [2024-11-07 08:50:33,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 08:50:33,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 08:50:33,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:50:33,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 08:50:33,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:50:33,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 08:50:33,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:50:33,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 08:50:33,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:50:33,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 08:50:33,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:50:33,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 08:50:33,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:50:33,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 08:50:33,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:50:33,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 08:50:33,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:50:33,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 08:50:33,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:50:33,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 08:50:33,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:50:33,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 08:50:33,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:50:33,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 08:50:33,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:50:33,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 08:50:33,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:50:33,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 08:50:33,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:50:33,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 08:50:33,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:50:33,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 08:50:33,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:50:33,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-07 08:50:33,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:50:33,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 08:50:33,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:50:33,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-07 08:50:33,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:50:33,638 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-07 08:50:33,639 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 08:50:33,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1057438480] [2024-11-07 08:50:33,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1057438480] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 08:50:33,642 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 08:50:33,642 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 08:50:33,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [13608560] [2024-11-07 08:50:33,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 08:50:33,646 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-07 08:50:33,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 08:50:33,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-07 08:50:33,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-07 08:50:33,662 INFO L87 Difference]: Start difference. First operand has 74 states, 53 states have (on average 1.4150943396226414) internal successors, (75), 54 states have internal predecessors, (75), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-07 08:50:33,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 08:50:33,685 INFO L93 Difference]: Finished difference Result 141 states and 234 transitions. [2024-11-07 08:50:33,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-07 08:50:33,687 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) Word has length 122 [2024-11-07 08:50:33,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 08:50:33,692 INFO L225 Difference]: With dead ends: 141 [2024-11-07 08:50:33,692 INFO L226 Difference]: Without dead ends: 70 [2024-11-07 08:50:33,695 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 56 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 08:50:33,698 INFO L432 NwaCegarLoop]: 104 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, 104 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 08:50:33,698 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 08:50:33,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2024-11-07 08:50:33,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2024-11-07 08:50:33,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 50 states have (on average 1.36) internal successors, (68), 50 states have internal predecessors, (68), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-07 08:50:33,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 104 transitions. [2024-11-07 08:50:33,736 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 104 transitions. Word has length 122 [2024-11-07 08:50:33,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 08:50:33,736 INFO L471 AbstractCegarLoop]: Abstraction has 70 states and 104 transitions. [2024-11-07 08:50:33,736 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-07 08:50:33,737 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 104 transitions. [2024-11-07 08:50:33,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-07 08:50:33,739 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 08:50:33,740 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:50:33,740 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 08:50:33,740 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 08:50:33,741 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 08:50:33,741 INFO L85 PathProgramCache]: Analyzing trace with hash -1321897119, now seen corresponding path program 1 times [2024-11-07 08:50:33,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 08:50:33,741 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1491826919] [2024-11-07 08:50:33,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 08:50:33,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 08:50:33,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:50:34,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 08:50:34,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:50:34,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 08:50:34,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:50:34,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 08:50:34,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:50:34,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 08:50:34,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:50:34,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 08:50:34,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:50:34,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 08:50:34,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:50:34,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 08:50:34,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:50:34,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 08:50:34,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:50:34,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 08:50:34,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:50:34,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 08:50:34,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:50:34,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 08:50:34,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:50:34,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 08:50:34,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:50:34,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 08:50:34,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:50:34,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 08:50:34,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:50:34,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 08:50:34,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:50:34,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-07 08:50:34,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:50:34,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 08:50:34,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:50:34,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-07 08:50:34,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:50:34,323 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-07 08:50:34,324 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 08:50:34,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1491826919] [2024-11-07 08:50:34,324 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1491826919] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 08:50:34,324 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 08:50:34,324 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 08:50:34,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1230823289] [2024-11-07 08:50:34,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 08:50:34,325 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 08:50:34,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 08:50:34,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 08:50:34,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-07 08:50:34,329 INFO L87 Difference]: Start difference. First operand 70 states and 104 transitions. Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-07 08:50:34,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 08:50:34,524 INFO L93 Difference]: Finished difference Result 205 states and 307 transitions. [2024-11-07 08:50:34,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 08:50:34,525 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 122 [2024-11-07 08:50:34,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 08:50:34,527 INFO L225 Difference]: With dead ends: 205 [2024-11-07 08:50:34,527 INFO L226 Difference]: Without dead ends: 138 [2024-11-07 08:50:34,528 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-07 08:50:34,529 INFO L432 NwaCegarLoop]: 98 mSDtfsCounter, 70 mSDsluCounter, 245 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 343 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 08:50:34,529 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 343 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 08:50:34,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2024-11-07 08:50:34,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 106. [2024-11-07 08:50:34,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 67 states have (on average 1.2686567164179106) internal successors, (85), 67 states have internal predecessors, (85), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-07 08:50:34,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 157 transitions. [2024-11-07 08:50:34,556 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 157 transitions. Word has length 122 [2024-11-07 08:50:34,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 08:50:34,556 INFO L471 AbstractCegarLoop]: Abstraction has 106 states and 157 transitions. [2024-11-07 08:50:34,556 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-07 08:50:34,556 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 157 transitions. [2024-11-07 08:50:34,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-07 08:50:34,557 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 08:50:34,557 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:50:34,557 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 08:50:34,557 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 08:50:34,558 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 08:50:34,559 INFO L85 PathProgramCache]: Analyzing trace with hash 987988733, now seen corresponding path program 1 times [2024-11-07 08:50:34,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 08:50:34,559 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087455390] [2024-11-07 08:50:34,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 08:50:34,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 08:50:34,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:50:35,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 08:50:35,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:50:35,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 08:50:35,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:50:35,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 08:50:35,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:50:35,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 08:50:35,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:50:35,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 08:50:35,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:50:35,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 08:50:35,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:50:35,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 08:50:35,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:50:35,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 08:50:35,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:50:35,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 08:50:35,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:50:35,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 08:50:35,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:50:35,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 08:50:35,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:50:35,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 08:50:35,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:50:35,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 08:50:35,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:50:35,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 08:50:35,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:50:35,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 08:50:35,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:50:35,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-07 08:50:35,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:50:35,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 08:50:35,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:50:35,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-07 08:50:35,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:50:35,137 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 30 proven. 21 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2024-11-07 08:50:35,137 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 08:50:35,137 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1087455390] [2024-11-07 08:50:35,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1087455390] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 08:50:35,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1244562504] [2024-11-07 08:50:35,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 08:50:35,138 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 08:50:35,138 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 08:50:35,140 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 08:50:35,141 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-07 08:50:35,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:50:35,235 INFO L255 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-07 08:50:35,243 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 08:50:35,600 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 317 proven. 21 refuted. 0 times theorem prover too weak. 274 trivial. 0 not checked. [2024-11-07 08:50:35,600 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 08:50:35,954 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 30 proven. 21 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2024-11-07 08:50:35,954 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1244562504] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 08:50:35,954 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 08:50:35,954 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 8] total 19 [2024-11-07 08:50:35,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970825257] [2024-11-07 08:50:35,955 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 08:50:35,955 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-07 08:50:35,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 08:50:35,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-07 08:50:35,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342 [2024-11-07 08:50:35,960 INFO L87 Difference]: Start difference. First operand 106 states and 157 transitions. Second operand has 19 states, 19 states have (on average 4.421052631578948) internal successors, (84), 19 states have internal predecessors, (84), 5 states have call successors, (43), 3 states have call predecessors, (43), 6 states have return successors, (44), 5 states have call predecessors, (44), 5 states have call successors, (44) [2024-11-07 08:50:36,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 08:50:36,647 INFO L93 Difference]: Finished difference Result 327 states and 471 transitions. [2024-11-07 08:50:36,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-07 08:50:36,648 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 4.421052631578948) internal successors, (84), 19 states have internal predecessors, (84), 5 states have call successors, (43), 3 states have call predecessors, (43), 6 states have return successors, (44), 5 states have call predecessors, (44), 5 states have call successors, (44) Word has length 123 [2024-11-07 08:50:36,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 08:50:36,650 INFO L225 Difference]: With dead ends: 327 [2024-11-07 08:50:36,650 INFO L226 Difference]: Without dead ends: 260 [2024-11-07 08:50:36,652 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 303 GetRequests, 272 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 214 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=271, Invalid=721, Unknown=0, NotChecked=0, Total=992 [2024-11-07 08:50:36,653 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 562 mSDsluCounter, 435 mSDsCounter, 0 mSdLazyCounter, 609 mSolverCounterSat, 176 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 572 SdHoareTripleChecker+Valid, 513 SdHoareTripleChecker+Invalid, 785 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 176 IncrementalHoareTripleChecker+Valid, 609 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-07 08:50:36,654 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [572 Valid, 513 Invalid, 785 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [176 Valid, 609 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-07 08:50:36,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2024-11-07 08:50:36,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 169. [2024-11-07 08:50:36,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 108 states have (on average 1.2037037037037037) internal successors, (130), 109 states have internal predecessors, (130), 54 states have call successors, (54), 6 states have call predecessors, (54), 6 states have return successors, (54), 53 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-07 08:50:36,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 238 transitions. [2024-11-07 08:50:36,696 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 238 transitions. Word has length 123 [2024-11-07 08:50:36,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 08:50:36,696 INFO L471 AbstractCegarLoop]: Abstraction has 169 states and 238 transitions. [2024-11-07 08:50:36,696 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 4.421052631578948) internal successors, (84), 19 states have internal predecessors, (84), 5 states have call successors, (43), 3 states have call predecessors, (43), 6 states have return successors, (44), 5 states have call predecessors, (44), 5 states have call successors, (44) [2024-11-07 08:50:36,697 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 238 transitions. [2024-11-07 08:50:36,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-07 08:50:36,698 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 08:50:36,698 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:50:36,711 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-07 08:50:36,898 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 08:50:36,899 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 08:50:36,899 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 08:50:36,899 INFO L85 PathProgramCache]: Analyzing trace with hash 729823295, now seen corresponding path program 1 times [2024-11-07 08:50:36,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 08:50:36,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [175796906] [2024-11-07 08:50:36,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 08:50:36,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 08:50:36,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 08:50:36,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1840356604] [2024-11-07 08:50:36,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 08:50:36,966 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 08:50:36,967 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 08:50:36,968 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 08:50:36,970 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-07 08:50:37,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 08:50:37,051 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-07 08:50:37,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 08:50:37,166 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-07 08:50:37,166 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-07 08:50:37,167 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-07 08:50:37,182 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-07 08:50:37,372 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 08:50:37,375 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-07 08:50:37,432 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-07 08:50:37,434 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 08:50:37 BoogieIcfgContainer [2024-11-07 08:50:37,434 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-07 08:50:37,435 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-07 08:50:37,435 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-07 08:50:37,435 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-07 08:50:37,435 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:50:33" (3/4) ... [2024-11-07 08:50:37,437 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-07 08:50:37,438 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-07 08:50:37,438 INFO L158 Benchmark]: Toolchain (without parser) took 4947.29ms. Allocated memory was 100.7MB in the beginning and 125.8MB in the end (delta: 25.2MB). Free memory was 76.4MB in the beginning and 51.2MB in the end (delta: 25.2MB). Peak memory consumption was 49.9MB. Max. memory is 16.1GB. [2024-11-07 08:50:37,438 INFO L158 Benchmark]: CDTParser took 0.67ms. Allocated memory is still 83.9MB. Free memory is still 47.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 08:50:37,438 INFO L158 Benchmark]: CACSL2BoogieTranslator took 253.21ms. Allocated memory is still 100.7MB. Free memory was 76.2MB in the beginning and 62.1MB in the end (delta: 14.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-07 08:50:37,439 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.65ms. Allocated memory is still 100.7MB. Free memory was 62.1MB in the beginning and 58.8MB in the end (delta: 3.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 08:50:37,439 INFO L158 Benchmark]: Boogie Preprocessor took 48.63ms. Allocated memory is still 100.7MB. Free memory was 58.8MB in the beginning and 53.9MB in the end (delta: 4.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-07 08:50:37,439 INFO L158 Benchmark]: RCFGBuilder took 414.87ms. Allocated memory is still 100.7MB. Free memory was 53.9MB in the beginning and 68.9MB in the end (delta: -15.0MB). Peak memory consumption was 21.1MB. Max. memory is 16.1GB. [2024-11-07 08:50:37,439 INFO L158 Benchmark]: TraceAbstraction took 4163.03ms. Allocated memory was 100.7MB in the beginning and 125.8MB in the end (delta: 25.2MB). Free memory was 68.4MB in the beginning and 51.2MB in the end (delta: 17.2MB). Peak memory consumption was 45.6MB. Max. memory is 16.1GB. [2024-11-07 08:50:37,440 INFO L158 Benchmark]: Witness Printer took 2.71ms. Allocated memory is still 125.8MB. Free memory was 51.2MB in the beginning and 51.2MB in the end (delta: 30.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 08:50:37,441 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.67ms. Allocated memory is still 83.9MB. Free memory is still 47.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 253.21ms. Allocated memory is still 100.7MB. Free memory was 76.2MB in the beginning and 62.1MB in the end (delta: 14.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.65ms. Allocated memory is still 100.7MB. Free memory was 62.1MB in the beginning and 58.8MB in the end (delta: 3.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 48.63ms. Allocated memory is still 100.7MB. Free memory was 58.8MB in the beginning and 53.9MB in the end (delta: 4.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 414.87ms. Allocated memory is still 100.7MB. Free memory was 53.9MB in the beginning and 68.9MB in the end (delta: -15.0MB). Peak memory consumption was 21.1MB. Max. memory is 16.1GB. * TraceAbstraction took 4163.03ms. Allocated memory was 100.7MB in the beginning and 125.8MB in the end (delta: 25.2MB). Free memory was 68.4MB in the beginning and 51.2MB in the end (delta: 17.2MB). Peak memory consumption was 45.6MB. Max. memory is 16.1GB. * Witness Printer took 2.71ms. Allocated memory is still 125.8MB. Free memory was 51.2MB in the beginning and 51.2MB in the end (delta: 30.0kB). 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 someBinaryDOUBLEComparisonOperation at line 121. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 25; [L23] unsigned char var_1_2 = 25; [L24] unsigned char var_1_3 = 0; [L25] unsigned char var_1_4 = 0; [L26] signed long int var_1_5 = 4; [L27] unsigned char var_1_7 = 0; [L28] unsigned char var_1_8 = 1; [L29] unsigned char var_1_9 = 0; [L30] unsigned char var_1_10 = 0; [L31] double var_1_11 = 7.3; [L32] double var_1_12 = 1.25; [L33] double var_1_13 = 128.8; [L34] signed char var_1_14 = -1; [L35] signed char var_1_15 = 10; [L36] signed short int var_1_16 = 8; [L37] unsigned long int var_1_18 = 128; [L38] unsigned long int var_1_19 = 3963666122; [L39] unsigned char last_1_var_1_8 = 1; [L40] signed char last_1_var_1_14 = -1; VAL [isInitial=0, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=25, var_1_3=0, var_1_4=0, var_1_5=4, var_1_7=0, var_1_8=1, var_1_9=0] [L125] isInitial = 1 [L126] FCALL initially() [L127] COND TRUE 1 [L128] CALL updateLastVariables() [L117] last_1_var_1_8 = var_1_8 [L118] last_1_var_1_14 = var_1_14 VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=25, var_1_3=0, var_1_4=0, var_1_5=4, var_1_7=0, var_1_8=1, var_1_9=0] [L128] RET updateLastVariables() [L129] CALL updateVariables() [L87] var_1_2 = __VERIFIER_nondet_uchar() [L88] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_3=0, var_1_4=0, var_1_5=4, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_3=0, var_1_4=0, var_1_5=4, var_1_7=0, var_1_8=1, var_1_9=0] [L88] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_3=0, var_1_4=0, var_1_5=4, var_1_7=0, var_1_8=1, var_1_9=0] [L89] CALL assume_abort_if_not(var_1_2 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=4, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=4, var_1_7=0, var_1_8=1, var_1_9=0] [L89] RET assume_abort_if_not(var_1_2 <= 127) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=4, var_1_7=0, var_1_8=1, var_1_9=0] [L90] var_1_3 = __VERIFIER_nondet_uchar() [L91] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=0, var_1_4=0, var_1_5=4, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=0, var_1_4=0, var_1_5=4, var_1_7=0, var_1_8=1, var_1_9=0] [L91] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=0, var_1_4=0, var_1_5=4, var_1_7=0, var_1_8=1, var_1_9=0] [L92] CALL assume_abort_if_not(var_1_3 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=0, var_1_3=262, var_1_4=0, var_1_5=4, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=0, var_1_3=262, var_1_4=0, var_1_5=4, var_1_7=0, var_1_8=1, var_1_9=0] [L92] RET assume_abort_if_not(var_1_3 <= 127) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=0, var_1_3=262, var_1_4=0, var_1_5=4, var_1_7=0, var_1_8=1, var_1_9=0] [L93] var_1_4 = __VERIFIER_nondet_uchar() [L94] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=0, var_1_3=262, var_1_5=4, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=0, var_1_3=262, var_1_5=4, var_1_7=0, var_1_8=1, var_1_9=0] [L94] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=0, var_1_3=262, var_1_5=4, var_1_7=0, var_1_8=1, var_1_9=0] [L95] CALL assume_abort_if_not(var_1_4 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=0, var_1_3=262, var_1_4=7, var_1_5=4, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=0, var_1_3=262, var_1_4=7, var_1_5=4, var_1_7=0, var_1_8=1, var_1_9=0] [L95] RET assume_abort_if_not(var_1_4 <= 127) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=0, var_1_3=262, var_1_4=7, var_1_5=4, var_1_7=0, var_1_8=1, var_1_9=0] [L96] var_1_7 = __VERIFIER_nondet_uchar() [L97] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=0, var_1_3=262, var_1_4=7, var_1_5=4, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=0, var_1_3=262, var_1_4=7, var_1_5=4, var_1_8=1, var_1_9=0] [L97] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=0, var_1_3=262, var_1_4=7, var_1_5=4, var_1_8=1, var_1_9=0] [L98] CALL assume_abort_if_not(var_1_7 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=0, var_1_3=262, var_1_4=7, var_1_5=4, var_1_7=-255, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=0, var_1_3=262, var_1_4=7, var_1_5=4, var_1_7=-255, var_1_8=1, var_1_9=0] [L98] RET assume_abort_if_not(var_1_7 <= 1) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=0, var_1_3=262, var_1_4=7, var_1_5=4, var_1_7=-255, var_1_8=1, var_1_9=0] [L99] var_1_9 = __VERIFIER_nondet_uchar() [L100] CALL assume_abort_if_not(var_1_9 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=0, var_1_3=262, var_1_4=7, var_1_5=4, var_1_7=-255, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=0, var_1_3=262, var_1_4=7, var_1_5=4, var_1_7=-255, var_1_8=1, var_1_9=1] [L100] RET assume_abort_if_not(var_1_9 >= 1) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=0, var_1_3=262, var_1_4=7, var_1_5=4, var_1_7=-255, var_1_8=1, var_1_9=1] [L101] CALL assume_abort_if_not(var_1_9 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=0, var_1_3=262, var_1_4=7, var_1_5=4, var_1_7=-255, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=0, var_1_3=262, var_1_4=7, var_1_5=4, var_1_7=-255, var_1_8=1, var_1_9=1] [L101] RET assume_abort_if_not(var_1_9 <= 1) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=0, var_1_3=262, var_1_4=7, var_1_5=4, var_1_7=-255, var_1_8=1, var_1_9=1] [L102] var_1_10 = __VERIFIER_nondet_uchar() [L103] CALL assume_abort_if_not(var_1_10 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=0, var_1_3=262, var_1_4=7, var_1_5=4, var_1_7=-255, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=0, var_1_3=262, var_1_4=7, var_1_5=4, var_1_7=-255, var_1_8=1, var_1_9=1] [L103] RET assume_abort_if_not(var_1_10 >= 1) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=0, var_1_3=262, var_1_4=7, var_1_5=4, var_1_7=-255, var_1_8=1, var_1_9=1] [L104] CALL assume_abort_if_not(var_1_10 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=0, var_1_3=262, var_1_4=7, var_1_5=4, var_1_7=-255, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=0, var_1_3=262, var_1_4=7, var_1_5=4, var_1_7=-255, var_1_8=1, var_1_9=1] [L104] RET assume_abort_if_not(var_1_10 <= 1) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=0, var_1_3=262, var_1_4=7, var_1_5=4, var_1_7=-255, var_1_8=1, var_1_9=1] [L105] var_1_12 = __VERIFIER_nondet_double() [L106] CALL assume_abort_if_not((var_1_12 >= -922337.2036854765600e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=0, var_1_3=262, var_1_4=7, var_1_5=4, var_1_7=-255, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=0, var_1_3=262, var_1_4=7, var_1_5=4, var_1_7=-255, var_1_8=1, var_1_9=1] [L106] RET assume_abort_if_not((var_1_12 >= -922337.2036854765600e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=0, var_1_3=262, var_1_4=7, var_1_5=4, var_1_7=-255, var_1_8=1, var_1_9=1] [L107] var_1_13 = __VERIFIER_nondet_double() [L108] CALL assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=0, var_1_3=262, var_1_4=7, var_1_5=4, var_1_7=-255, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=0, var_1_3=262, var_1_4=7, var_1_5=4, var_1_7=-255, var_1_8=1, var_1_9=1] [L108] RET assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=0, var_1_3=262, var_1_4=7, var_1_5=4, var_1_7=-255, var_1_8=1, var_1_9=1] [L109] var_1_15 = __VERIFIER_nondet_char() [L110] CALL assume_abort_if_not(var_1_15 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=0, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=0, var_1_3=262, var_1_4=7, var_1_5=4, var_1_7=-255, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=0, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=0, var_1_3=262, var_1_4=7, var_1_5=4, var_1_7=-255, var_1_8=1, var_1_9=1] [L110] RET assume_abort_if_not(var_1_15 >= -127) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=0, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=0, var_1_3=262, var_1_4=7, var_1_5=4, var_1_7=-255, var_1_8=1, var_1_9=1] [L111] CALL assume_abort_if_not(var_1_15 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=0, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=0, var_1_3=262, var_1_4=7, var_1_5=4, var_1_7=-255, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=0, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=0, var_1_3=262, var_1_4=7, var_1_5=4, var_1_7=-255, var_1_8=1, var_1_9=1] [L111] RET assume_abort_if_not(var_1_15 <= 126) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=0, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_2=0, var_1_3=262, var_1_4=7, var_1_5=4, var_1_7=-255, var_1_8=1, var_1_9=1] [L112] var_1_19 = __VERIFIER_nondet_ulong() [L113] CALL assume_abort_if_not(var_1_19 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=0, var_1_16=8, var_1_18=128, var_1_19=-2147483649, var_1_1=25, var_1_2=0, var_1_3=262, var_1_4=7, var_1_5=4, var_1_7=-255, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=0, var_1_16=8, var_1_18=128, var_1_19=-2147483649, var_1_1=25, var_1_2=0, var_1_3=262, var_1_4=7, var_1_5=4, var_1_7=-255, var_1_8=1, var_1_9=1] [L113] RET assume_abort_if_not(var_1_19 >= 2147483647) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=0, var_1_16=8, var_1_18=128, var_1_19=-2147483649, var_1_1=25, var_1_2=0, var_1_3=262, var_1_4=7, var_1_5=4, var_1_7=-255, var_1_8=1, var_1_9=1] [L114] CALL assume_abort_if_not(var_1_19 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=0, var_1_16=8, var_1_18=128, var_1_19=-2147483649, var_1_1=25, var_1_2=0, var_1_3=262, var_1_4=7, var_1_5=4, var_1_7=-255, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=0, var_1_16=8, var_1_18=128, var_1_19=-2147483649, var_1_1=25, var_1_2=0, var_1_3=262, var_1_4=7, var_1_5=4, var_1_7=-255, var_1_8=1, var_1_9=1] [L114] RET assume_abort_if_not(var_1_19 <= 4294967294) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=0, var_1_16=8, var_1_18=128, var_1_19=-2147483649, var_1_1=25, var_1_2=0, var_1_3=262, var_1_4=7, var_1_5=4, var_1_7=-255, var_1_8=1, var_1_9=1] [L129] RET updateVariables() [L130] CALL step() [L44] unsigned char stepLocal_0 = last_1_var_1_8; VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, stepLocal_0=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=0, var_1_16=8, var_1_18=128, var_1_19=-2147483649, var_1_1=25, var_1_2=0, var_1_3=262, var_1_4=7, var_1_5=4, var_1_7=-255, var_1_8=1, var_1_9=1] [L45] COND TRUE stepLocal_0 && last_1_var_1_8 VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=0, var_1_16=8, var_1_18=128, var_1_19=-2147483649, var_1_1=25, var_1_2=0, var_1_3=262, var_1_4=7, var_1_5=4, var_1_7=-255, var_1_8=1, var_1_9=1] [L46] COND TRUE \read(last_1_var_1_8) [L47] var_1_5 = (((((last_1_var_1_14) < 0 ) ? -(last_1_var_1_14) : (last_1_var_1_14))) - ((((var_1_4) < (var_1_2)) ? (var_1_4) : (var_1_2)))) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=0, var_1_16=8, var_1_18=128, var_1_19=-2147483649, var_1_1=25, var_1_2=0, var_1_3=262, var_1_4=7, var_1_5=1, var_1_7=-255, var_1_8=1, var_1_9=1] [L52] COND TRUE var_1_5 < var_1_3 [L53] var_1_8 = ((var_1_7 || (last_1_var_1_8 || var_1_9)) && var_1_10) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=0, var_1_16=8, var_1_18=128, var_1_19=-2147483649, var_1_1=25, var_1_2=0, var_1_3=262, var_1_4=7, var_1_5=1, var_1_7=-255, var_1_8=1, var_1_9=1] [L57] var_1_1 = (50 + ((((var_1_2) < (((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4))))) ? (var_1_2) : (((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4))))))) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=0, var_1_16=8, var_1_18=128, var_1_19=-2147483649, var_1_1=50, var_1_2=0, var_1_3=262, var_1_4=7, var_1_5=1, var_1_7=-255, var_1_8=1, var_1_9=1] [L58] COND FALSE !((64.4f + 1.5f) <= var_1_13) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=0, var_1_16=8, var_1_18=128, var_1_19=-2147483649, var_1_1=50, var_1_2=0, var_1_3=262, var_1_4=7, var_1_5=1, var_1_7=-255, var_1_8=1, var_1_9=1] [L63] unsigned char stepLocal_3 = var_1_9 && var_1_8; VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, stepLocal_3=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=0, var_1_16=8, var_1_18=128, var_1_19=-2147483649, var_1_1=50, var_1_2=0, var_1_3=262, var_1_4=7, var_1_5=1, var_1_7=-255, var_1_8=1, var_1_9=1] [L64] COND TRUE stepLocal_3 || (var_1_8 && var_1_10) [L65] var_1_18 = (var_1_19 - (((((1991720936u - var_1_1)) < (var_1_2)) ? ((1991720936u - var_1_1)) : (var_1_2)))) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=0, var_1_16=8, var_1_18=-2147483649, var_1_19=-2147483649, var_1_1=50, var_1_2=0, var_1_3=262, var_1_4=7, var_1_5=1, var_1_7=-255, var_1_8=1, var_1_9=1] [L69] signed long int stepLocal_1 = 8 + var_1_14; VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, stepLocal_1=7, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=0, var_1_16=8, var_1_18=-2147483649, var_1_19=-2147483649, var_1_1=50, var_1_2=0, var_1_3=262, var_1_4=7, var_1_5=1, var_1_7=-255, var_1_8=1, var_1_9=1] [L70] COND TRUE var_1_4 == stepLocal_1 [L71] var_1_11 = ((((var_1_12) > (var_1_13)) ? (var_1_12) : (var_1_13))) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=2, var_1_12=2, var_1_13=0, var_1_14=-1, var_1_15=0, var_1_16=8, var_1_18=-2147483649, var_1_19=-2147483649, var_1_1=50, var_1_2=0, var_1_3=262, var_1_4=7, var_1_5=1, var_1_7=-255, var_1_8=1, var_1_9=1] [L73] EXPR var_1_15 & var_1_1 VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=2, var_1_12=2, var_1_13=0, var_1_14=-1, var_1_15=0, var_1_16=8, var_1_18=-2147483649, var_1_19=-2147483649, var_1_1=50, var_1_2=0, var_1_3=262, var_1_4=7, var_1_5=1, var_1_7=-255, var_1_8=1, var_1_9=1] [L73] unsigned long int stepLocal_2 = var_1_18 * (var_1_15 & var_1_1); [L74] COND FALSE !(var_1_12 >= 9.6) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, stepLocal_2=0, var_1_10=1, var_1_11=2, var_1_12=2, var_1_13=0, var_1_14=-1, var_1_15=0, var_1_16=8, var_1_18=-2147483649, var_1_19=-2147483649, var_1_1=50, var_1_2=0, var_1_3=262, var_1_4=7, var_1_5=1, var_1_7=-255, var_1_8=1, var_1_9=1] [L130] RET step() [L131] CALL, EXPR property() [L121] EXPR (((((var_1_1 == ((unsigned char) (50 + ((((var_1_2) < (((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4))))) ? (var_1_2) : (((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4))))))))) && ((last_1_var_1_8 && last_1_var_1_8) ? (last_1_var_1_8 ? (var_1_5 == ((signed long int) (((((last_1_var_1_14) < 0 ) ? -(last_1_var_1_14) : (last_1_var_1_14))) - ((((var_1_4) < (var_1_2)) ? (var_1_4) : (var_1_2)))))) : (var_1_5 == ((signed long int) 8))) : 1)) && ((var_1_5 < var_1_3) ? (var_1_8 == ((unsigned char) ((var_1_7 || (last_1_var_1_8 || var_1_9)) && var_1_10))) : (var_1_8 == ((unsigned char) (! var_1_10))))) && ((var_1_4 == (8 + var_1_14)) ? (var_1_11 == ((double) ((((var_1_12) > (var_1_13)) ? (var_1_12) : (var_1_13))))) : 1)) && (((64.4f + 1.5f) <= var_1_13) ? ((var_1_1 >= var_1_4) ? (var_1_14 == ((signed char) var_1_15)) : 1) : 1)) && ((var_1_12 >= 9.6) ? (var_1_10 ? (var_1_16 == ((signed short int) (2 - var_1_1))) : (((var_1_18 * (var_1_15 & var_1_1)) <= var_1_3) ? (var_1_16 == ((signed short int) var_1_18)) : (var_1_16 == ((signed short int) var_1_4)))) : 1) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=2, var_1_12=2, var_1_13=0, var_1_14=-1, var_1_15=0, var_1_16=8, var_1_18=-2147483649, var_1_19=-2147483649, var_1_1=50, var_1_2=0, var_1_3=262, var_1_4=7, var_1_5=1, var_1_7=-255, var_1_8=1, var_1_9=1] [L121-L122] return ((((((var_1_1 == ((unsigned char) (50 + ((((var_1_2) < (((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4))))) ? (var_1_2) : (((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4))))))))) && ((last_1_var_1_8 && last_1_var_1_8) ? (last_1_var_1_8 ? (var_1_5 == ((signed long int) (((((last_1_var_1_14) < 0 ) ? -(last_1_var_1_14) : (last_1_var_1_14))) - ((((var_1_4) < (var_1_2)) ? (var_1_4) : (var_1_2)))))) : (var_1_5 == ((signed long int) 8))) : 1)) && ((var_1_5 < var_1_3) ? (var_1_8 == ((unsigned char) ((var_1_7 || (last_1_var_1_8 || var_1_9)) && var_1_10))) : (var_1_8 == ((unsigned char) (! var_1_10))))) && ((var_1_4 == (8 + var_1_14)) ? (var_1_11 == ((double) ((((var_1_12) > (var_1_13)) ? (var_1_12) : (var_1_13))))) : 1)) && (((64.4f + 1.5f) <= var_1_13) ? ((var_1_1 >= var_1_4) ? (var_1_14 == ((signed char) var_1_15)) : 1) : 1)) && ((var_1_12 >= 9.6) ? (var_1_10 ? (var_1_16 == ((signed short int) (2 - var_1_1))) : (((var_1_18 * (var_1_15 & var_1_1)) <= var_1_3) ? (var_1_16 == ((signed short int) var_1_18)) : (var_1_16 == ((signed short int) var_1_4)))) : 1)) && (((var_1_9 && var_1_8) || (var_1_8 && var_1_10)) ? (var_1_18 == ((unsigned long int) (var_1_19 - (((((1991720936u - var_1_1)) < (var_1_2)) ? ((1991720936u - var_1_1)) : (var_1_2)))))) : (var_1_18 == ((unsigned long int) var_1_2))) ; [L131] RET, EXPR property() [L131] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=2, var_1_12=2, var_1_13=0, var_1_14=-1, var_1_15=0, var_1_16=8, var_1_18=-2147483649, var_1_19=-2147483649, var_1_1=50, var_1_2=0, var_1_3=262, var_1_4=7, var_1_5=1, var_1_7=-255, var_1_8=1, var_1_9=1] [L19] reach_error() VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=2, var_1_12=2, var_1_13=0, var_1_14=-1, var_1_15=0, var_1_16=8, var_1_18=-2147483649, var_1_19=-2147483649, var_1_1=50, var_1_2=0, var_1_3=262, var_1_4=7, var_1_5=1, var_1_7=-255, var_1_8=1, var_1_9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 74 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.1s, OverallIterations: 4, TraceHistogramMax: 18, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 642 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 632 mSDsluCounter, 960 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 680 mSDsCounter, 232 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 676 IncrementalHoareTripleChecker+Invalid, 908 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 232 mSolverCounterUnsat, 280 mSDtfsCounter, 676 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 403 GetRequests, 367 SyntacticMatches, 1 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 214 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=169occurred in iteration=3, InterpolantAutomatonStates: 27, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 123 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 736 NumberOfCodeBlocks, 736 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 608 ConstructedInterpolants, 0 QuantifiedInterpolants, 1639 SizeOfPredicates, 4 NumberOfNonLiveVariables, 288 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 5 InterpolantComputations, 2 PerfectInterpolantSequences, 2997/3060 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 08:50:37,466 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_50-while_file-17.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 dafa341f40b13e49f80402e9ea3402d959e0a4d8911cbb5b816668fe007b77dd --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 08:50:39,154 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 08:50:39,241 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-07 08:50:39,246 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 08:50:39,246 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 08:50:39,267 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 08:50:39,268 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 08:50:39,268 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 08:50:39,269 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 08:50:39,269 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 08:50:39,270 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 08:50:39,270 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 08:50:39,270 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 08:50:39,270 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 08:50:39,270 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 08:50:39,271 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 08:50:39,271 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 08:50:39,271 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 08:50:39,271 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 08:50:39,271 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 08:50:39,271 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 08:50:39,271 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 08:50:39,271 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 08:50:39,271 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-07 08:50:39,271 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-07 08:50:39,271 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 08:50:39,271 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-07 08:50:39,271 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 08:50:39,271 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 08:50:39,271 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 08:50:39,271 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 08:50:39,271 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 08:50:39,271 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 08:50:39,271 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 08:50:39,272 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 08:50:39,272 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 08:50:39,272 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 08:50:39,272 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 08:50:39,272 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-07 08:50:39,272 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-07 08:50:39,272 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 08:50:39,272 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 08:50:39,272 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 08:50:39,272 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 08:50:39,272 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 -> dafa341f40b13e49f80402e9ea3402d959e0a4d8911cbb5b816668fe007b77dd [2024-11-07 08:50:39,479 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 08:50:39,487 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 08:50:39,490 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 08:50:39,491 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 08:50:39,491 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 08:50:39,492 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-17.i [2024-11-07 08:50:40,649 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 08:50:40,856 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 08:50:40,858 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-17.i [2024-11-07 08:50:40,865 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/ce6911f94/78f92247ceff45ff8312670637105a2c/FLAGe33b7f00d [2024-11-07 08:50:41,220 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/ce6911f94/78f92247ceff45ff8312670637105a2c [2024-11-07 08:50:41,222 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 08:50:41,223 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 08:50:41,223 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 08:50:41,223 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 08:50:41,226 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 08:50:41,227 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:50:41" (1/1) ... [2024-11-07 08:50:41,227 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42af9436 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:50:41, skipping insertion in model container [2024-11-07 08:50:41,227 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:50:41" (1/1) ... [2024-11-07 08:50:41,238 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 08:50:41,331 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_50-while_file-17.i[915,928] [2024-11-07 08:50:41,379 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 08:50:41,387 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 08:50:41,395 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_50-while_file-17.i[915,928] [2024-11-07 08:50:41,411 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 08:50:41,424 INFO L204 MainTranslator]: Completed translation [2024-11-07 08:50:41,425 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:50:41 WrapperNode [2024-11-07 08:50:41,426 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 08:50:41,427 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 08:50:41,427 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 08:50:41,427 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 08:50:41,433 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:50:41" (1/1) ... [2024-11-07 08:50:41,445 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:50:41" (1/1) ... [2024-11-07 08:50:41,471 INFO L138 Inliner]: procedures = 27, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 129 [2024-11-07 08:50:41,473 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 08:50:41,474 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 08:50:41,474 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 08:50:41,474 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 08:50:41,481 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:50:41" (1/1) ... [2024-11-07 08:50:41,481 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:50:41" (1/1) ... [2024-11-07 08:50:41,485 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:50:41" (1/1) ... [2024-11-07 08:50:41,501 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 08:50:41,501 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:50:41" (1/1) ... [2024-11-07 08:50:41,505 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:50:41" (1/1) ... [2024-11-07 08:50:41,519 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:50:41" (1/1) ... [2024-11-07 08:50:41,521 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:50:41" (1/1) ... [2024-11-07 08:50:41,525 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:50:41" (1/1) ... [2024-11-07 08:50:41,526 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:50:41" (1/1) ... [2024-11-07 08:50:41,532 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 08:50:41,533 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 08:50:41,537 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 08:50:41,537 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 08:50:41,538 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:50:41" (1/1) ... [2024-11-07 08:50:41,545 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 08:50:41,556 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 08:50:41,566 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 08:50:41,570 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 08:50:41,584 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 08:50:41,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-07 08:50:41,584 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 08:50:41,584 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 08:50:41,584 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 08:50:41,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 08:50:41,638 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 08:50:41,640 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 08:50:42,145 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-07 08:50:42,145 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 08:50:42,152 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 08:50:42,152 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-07 08:50:42,152 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:50:42 BoogieIcfgContainer [2024-11-07 08:50:42,152 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 08:50:42,154 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 08:50:42,154 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 08:50:42,158 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 08:50:42,159 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 08:50:41" (1/3) ... [2024-11-07 08:50:42,159 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@684aaa20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:50:42, skipping insertion in model container [2024-11-07 08:50:42,159 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:50:41" (2/3) ... [2024-11-07 08:50:42,159 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@684aaa20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:50:42, skipping insertion in model container [2024-11-07 08:50:42,159 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:50:42" (3/3) ... [2024-11-07 08:50:42,160 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-while_file-17.i [2024-11-07 08:50:42,185 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 08:50:42,186 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-07 08:50:42,236 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 08:50:42,246 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;@717c105, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 08:50:42,247 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-07 08:50:42,250 INFO L276 IsEmpty]: Start isEmpty. Operand has 61 states, 40 states have (on average 1.375) internal successors, (55), 41 states have internal predecessors, (55), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-07 08:50:42,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-07 08:50:42,261 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 08:50:42,261 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:50:42,262 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 08:50:42,265 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 08:50:42,265 INFO L85 PathProgramCache]: Analyzing trace with hash 558496771, now seen corresponding path program 1 times [2024-11-07 08:50:42,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 08:50:42,275 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [366353674] [2024-11-07 08:50:42,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 08:50:42,275 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 08:50:42,275 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 08:50:42,282 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 08:50:42,283 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 08:50:42,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:50:42,456 INFO L255 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-07 08:50:42,461 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 08:50:42,490 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 322 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2024-11-07 08:50:42,490 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 08:50:42,490 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-07 08:50:42,490 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [366353674] [2024-11-07 08:50:42,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [366353674] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 08:50:42,491 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 08:50:42,491 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 08:50:42,492 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938384314] [2024-11-07 08:50:42,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 08:50:42,497 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-07 08:50:42,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-07 08:50:42,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-07 08:50:42,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-07 08:50:42,512 INFO L87 Difference]: Start difference. First operand has 61 states, 40 states have (on average 1.375) internal successors, (55), 41 states have internal predecessors, (55), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-07 08:50:42,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 08:50:42,532 INFO L93 Difference]: Finished difference Result 115 states and 194 transitions. [2024-11-07 08:50:42,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-07 08:50:42,535 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 119 [2024-11-07 08:50:42,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 08:50:42,540 INFO L225 Difference]: With dead ends: 115 [2024-11-07 08:50:42,540 INFO L226 Difference]: Without dead ends: 57 [2024-11-07 08:50:42,543 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 118 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 08:50:42,548 INFO L432 NwaCegarLoop]: 84 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, 84 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 08:50:42,548 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 08:50:42,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2024-11-07 08:50:42,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2024-11-07 08:50:42,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 37 states have (on average 1.2972972972972974) internal successors, (48), 37 states have internal predecessors, (48), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-07 08:50:42,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 84 transitions. [2024-11-07 08:50:42,583 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 84 transitions. Word has length 119 [2024-11-07 08:50:42,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 08:50:42,583 INFO L471 AbstractCegarLoop]: Abstraction has 57 states and 84 transitions. [2024-11-07 08:50:42,583 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-07 08:50:42,583 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 84 transitions. [2024-11-07 08:50:42,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-07 08:50:42,585 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 08:50:42,585 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:50:42,592 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2024-11-07 08:50:42,785 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 08:50:42,786 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 08:50:42,787 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 08:50:42,787 INFO L85 PathProgramCache]: Analyzing trace with hash 640030975, now seen corresponding path program 1 times [2024-11-07 08:50:42,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 08:50:42,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [92674700] [2024-11-07 08:50:42,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 08:50:42,788 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 08:50:42,788 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 08:50:42,792 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 08:50:42,793 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 08:50:42,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:50:42,946 INFO L255 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-07 08:50:42,950 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 08:50:43,208 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-07 08:50:43,208 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 08:50:43,208 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-07 08:50:43,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [92674700] [2024-11-07 08:50:43,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [92674700] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 08:50:43,209 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 08:50:43,209 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 08:50:43,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107747285] [2024-11-07 08:50:43,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 08:50:43,210 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 08:50:43,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-07 08:50:43,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 08:50:43,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-07 08:50:43,211 INFO L87 Difference]: Start difference. First operand 57 states and 84 transitions. Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-07 08:50:43,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 08:50:43,713 INFO L93 Difference]: Finished difference Result 166 states and 247 transitions. [2024-11-07 08:50:43,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 08:50:43,720 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 119 [2024-11-07 08:50:43,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 08:50:43,722 INFO L225 Difference]: With dead ends: 166 [2024-11-07 08:50:43,722 INFO L226 Difference]: Without dead ends: 112 [2024-11-07 08:50:43,723 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-07 08:50:43,723 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 47 mSDsluCounter, 186 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 264 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-07 08:50:43,723 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 264 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-07 08:50:43,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2024-11-07 08:50:43,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 93. [2024-11-07 08:50:43,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 54 states have (on average 1.2037037037037037) internal successors, (65), 54 states have internal predecessors, (65), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-07 08:50:43,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 137 transitions. [2024-11-07 08:50:43,745 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 137 transitions. Word has length 119 [2024-11-07 08:50:43,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 08:50:43,746 INFO L471 AbstractCegarLoop]: Abstraction has 93 states and 137 transitions. [2024-11-07 08:50:43,746 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-07 08:50:43,746 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 137 transitions. [2024-11-07 08:50:43,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-07 08:50:43,749 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 08:50:43,749 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:50:43,755 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-07 08:50:43,949 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-07 08:50:43,950 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 08:50:43,950 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 08:50:43,950 INFO L85 PathProgramCache]: Analyzing trace with hash -1847668821, now seen corresponding path program 1 times [2024-11-07 08:50:43,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 08:50:43,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [189256898] [2024-11-07 08:50:43,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 08:50:43,951 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 08:50:43,951 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 08:50:43,953 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-07 08:50:43,954 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-07 08:50:44,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:50:44,081 INFO L255 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-07 08:50:44,084 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 08:50:44,486 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 317 proven. 21 refuted. 0 times theorem prover too weak. 274 trivial. 0 not checked. [2024-11-07 08:50:44,487 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 08:50:44,841 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 30 proven. 21 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2024-11-07 08:50:44,841 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-07 08:50:44,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [189256898] [2024-11-07 08:50:44,841 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [189256898] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 08:50:44,842 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-07 08:50:44,842 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8] total 14 [2024-11-07 08:50:44,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2133916] [2024-11-07 08:50:44,842 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-07 08:50:44,842 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-07 08:50:44,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-07 08:50:44,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-07 08:50:44,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=131, Unknown=0, NotChecked=0, Total=182 [2024-11-07 08:50:44,843 INFO L87 Difference]: Start difference. First operand 93 states and 137 transitions. Second operand has 14 states, 14 states have (on average 4.785714285714286) internal successors, (67), 14 states have internal predecessors, (67), 4 states have call successors, (36), 3 states have call predecessors, (36), 5 states have return successors, (36), 4 states have call predecessors, (36), 4 states have call successors, (36) [2024-11-07 08:50:46,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 08:50:46,363 INFO L93 Difference]: Finished difference Result 273 states and 392 transitions. [2024-11-07 08:50:46,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-07 08:50:46,364 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 4.785714285714286) internal successors, (67), 14 states have internal predecessors, (67), 4 states have call successors, (36), 3 states have call predecessors, (36), 5 states have return successors, (36), 4 states have call predecessors, (36), 4 states have call successors, (36) Word has length 120 [2024-11-07 08:50:46,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 08:50:46,366 INFO L225 Difference]: With dead ends: 273 [2024-11-07 08:50:46,366 INFO L226 Difference]: Without dead ends: 219 [2024-11-07 08:50:46,367 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 249 GetRequests, 228 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=169, Invalid=337, Unknown=0, NotChecked=0, Total=506 [2024-11-07 08:50:46,369 INFO L432 NwaCegarLoop]: 70 mSDtfsCounter, 233 mSDsluCounter, 311 mSDsCounter, 0 mSdLazyCounter, 535 mSolverCounterSat, 155 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 250 SdHoareTripleChecker+Valid, 381 SdHoareTripleChecker+Invalid, 690 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 155 IncrementalHoareTripleChecker+Valid, 535 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-07 08:50:46,370 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [250 Valid, 381 Invalid, 690 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [155 Valid, 535 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-07 08:50:46,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2024-11-07 08:50:46,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 161. [2024-11-07 08:50:46,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 101 states have (on average 1.2178217821782178) internal successors, (123), 101 states have internal predecessors, (123), 54 states have call successors, (54), 5 states have call predecessors, (54), 5 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-07 08:50:46,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 231 transitions. [2024-11-07 08:50:46,399 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 231 transitions. Word has length 120 [2024-11-07 08:50:46,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 08:50:46,399 INFO L471 AbstractCegarLoop]: Abstraction has 161 states and 231 transitions. [2024-11-07 08:50:46,399 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.785714285714286) internal successors, (67), 14 states have internal predecessors, (67), 4 states have call successors, (36), 3 states have call predecessors, (36), 5 states have return successors, (36), 4 states have call predecessors, (36), 4 states have call successors, (36) [2024-11-07 08:50:46,399 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 231 transitions. [2024-11-07 08:50:46,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-07 08:50:46,403 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 08:50:46,403 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:50:46,409 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-11-07 08:50:46,603 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-07 08:50:46,604 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 08:50:46,604 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 08:50:46,604 INFO L85 PathProgramCache]: Analyzing trace with hash 1767240105, now seen corresponding path program 1 times [2024-11-07 08:50:46,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 08:50:46,605 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [901640825] [2024-11-07 08:50:46,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 08:50:46,605 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 08:50:46,605 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 08:50:46,607 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-07 08:50:46,608 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-07 08:50:46,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:50:46,735 INFO L255 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-07 08:50:46,741 INFO L278 TraceCheckSpWp]: Computing forward predicates...