./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-19.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_fillercode_fillercodestructure_filler-ps-ci_file-19.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', '21bbc66d7f55647a0fe486f04527098d4843a40e4e1ddd0434f409501d0851bd'] 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_fillercode_fillercodestructure_filler-ps-ci_file-19.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 21bbc66d7f55647a0fe486f04527098d4843a40e4e1ddd0434f409501d0851bd --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 06:49:47,322 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 06:49:47,393 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-07 06:49:47,397 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 06:49:47,397 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 06:49:47,411 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 06:49:47,412 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 06:49:47,412 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 06:49:47,412 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 06:49:47,413 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 06:49:47,413 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 06:49:47,413 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 06:49:47,414 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 06:49:47,414 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 06:49:47,414 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 06:49:47,414 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 06:49:47,415 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 06:49:47,415 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 06:49:47,415 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 06:49:47,415 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 06:49:47,415 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 06:49:47,415 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 06:49:47,415 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 06:49:47,415 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 06:49:47,415 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 06:49:47,415 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 06:49:47,415 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 06:49:47,416 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 06:49:47,416 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 06:49:47,416 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 06:49:47,416 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 06:49:47,416 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 06:49:47,416 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 06:49:47,416 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 06:49:47,417 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 06:49:47,417 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 06:49:47,417 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 06:49:47,417 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 06:49:47,417 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 06:49:47,417 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 06:49:47,417 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 06:49:47,417 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 06:49:47,417 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 -> 21bbc66d7f55647a0fe486f04527098d4843a40e4e1ddd0434f409501d0851bd [2024-11-07 06:49:47,628 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 06:49:47,636 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 06:49:47,637 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 06:49:47,638 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 06:49:47,638 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 06:49:47,639 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-19.i [2024-11-07 06:49:48,736 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 06:49:48,941 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 06:49:48,942 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-19.i [2024-11-07 06:49:48,949 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/e842a6852/bf715b74aa6548a1b61faccba78d2805/FLAG21c504a6c [2024-11-07 06:49:48,964 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/e842a6852/bf715b74aa6548a1b61faccba78d2805 [2024-11-07 06:49:48,966 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 06:49:48,967 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 06:49:48,969 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 06:49:48,969 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 06:49:48,972 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 06:49:48,973 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 06:49:48" (1/1) ... [2024-11-07 06:49:48,974 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78d10571 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:49:48, skipping insertion in model container [2024-11-07 06:49:48,974 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 06:49:48" (1/1) ... [2024-11-07 06:49:48,991 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 06:49:49,095 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_fillercode_fillercodestructure_filler-ps-ci_file-19.i[919,932] [2024-11-07 06:49:49,152 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 06:49:49,160 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 06:49:49,167 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_fillercode_fillercodestructure_filler-ps-ci_file-19.i[919,932] [2024-11-07 06:49:49,202 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 06:49:49,216 INFO L204 MainTranslator]: Completed translation [2024-11-07 06:49:49,217 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:49:49 WrapperNode [2024-11-07 06:49:49,217 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 06:49:49,218 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 06:49:49,219 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 06:49:49,219 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 06:49:49,223 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:49:49" (1/1) ... [2024-11-07 06:49:49,232 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:49:49" (1/1) ... [2024-11-07 06:49:49,291 INFO L138 Inliner]: procedures = 26, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 213 [2024-11-07 06:49:49,291 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 06:49:49,292 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 06:49:49,292 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 06:49:49,293 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 06:49:49,298 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:49:49" (1/1) ... [2024-11-07 06:49:49,298 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:49:49" (1/1) ... [2024-11-07 06:49:49,304 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:49:49" (1/1) ... [2024-11-07 06:49:49,323 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 06:49:49,324 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:49:49" (1/1) ... [2024-11-07 06:49:49,324 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:49:49" (1/1) ... [2024-11-07 06:49:49,336 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:49:49" (1/1) ... [2024-11-07 06:49:49,343 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:49:49" (1/1) ... [2024-11-07 06:49:49,348 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:49:49" (1/1) ... [2024-11-07 06:49:49,350 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:49:49" (1/1) ... [2024-11-07 06:49:49,356 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 06:49:49,357 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 06:49:49,358 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 06:49:49,358 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 06:49:49,359 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:49:49" (1/1) ... [2024-11-07 06:49:49,364 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 06:49:49,374 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 06:49:49,384 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 06:49:49,386 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 06:49:49,402 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 06:49:49,402 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 06:49:49,402 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 06:49:49,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 06:49:49,403 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 06:49:49,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 06:49:49,474 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 06:49:49,475 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 06:49:49,790 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-07 06:49:49,790 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 06:49:49,799 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 06:49:49,800 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-07 06:49:49,800 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 06:49:49 BoogieIcfgContainer [2024-11-07 06:49:49,800 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 06:49:49,802 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 06:49:49,802 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 06:49:49,805 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 06:49:49,805 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 06:49:48" (1/3) ... [2024-11-07 06:49:49,806 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26fcbdb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 06:49:49, skipping insertion in model container [2024-11-07 06:49:49,806 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:49:49" (2/3) ... [2024-11-07 06:49:49,806 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26fcbdb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 06:49:49, skipping insertion in model container [2024-11-07 06:49:49,807 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 06:49:49" (3/3) ... [2024-11-07 06:49:49,807 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-ci_file-19.i [2024-11-07 06:49:49,818 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 06:49:49,818 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-07 06:49:49,848 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 06:49:49,858 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;@64a28d4b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 06:49:49,858 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-07 06:49:49,861 INFO L276 IsEmpty]: Start isEmpty. Operand has 89 states, 60 states have (on average 1.4666666666666666) internal successors, (88), 61 states have internal predecessors, (88), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-07 06:49:49,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-11-07 06:49:49,868 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 06:49:49,869 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:49:49,869 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 06:49:49,872 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 06:49:49,872 INFO L85 PathProgramCache]: Analyzing trace with hash -687367396, now seen corresponding path program 1 times [2024-11-07 06:49:49,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 06:49:49,876 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1463062314] [2024-11-07 06:49:49,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 06:49:49,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 06:49:49,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:49:50,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 06:49:50,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:49:50,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 06:49:50,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:49:50,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 06:49:50,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:49:50,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 06:49:50,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:49:50,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 06:49:50,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:49:50,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 06:49:50,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:49:50,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 06:49:50,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:49:50,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 06:49:50,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:49:50,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 06:49:50,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:49:50,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 06:49:50,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:49:50,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 06:49:50,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:49:50,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 06:49:50,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:49:50,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 06:49:50,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:49:50,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 06:49:50,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:49:50,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 06:49:50,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:49:50,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 06:49:50,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:49:50,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 06:49:50,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:49:50,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 06:49:50,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:49:50,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 06:49:50,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:49:50,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-07 06:49:50,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:49:50,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 06:49:50,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:49:50,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-07 06:49:50,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:49:50,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-07 06:49:50,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:49:50,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-07 06:49:50,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:49:50,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-07 06:49:50,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:49:50,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-07 06:49:50,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:49:50,226 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-07 06:49:50,227 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 06:49:50,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1463062314] [2024-11-07 06:49:50,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1463062314] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 06:49:50,228 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 06:49:50,229 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 06:49:50,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1012138709] [2024-11-07 06:49:50,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 06:49:50,232 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-07 06:49:50,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 06:49:50,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-07 06:49:50,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-07 06:49:50,249 INFO L87 Difference]: Start difference. First operand has 89 states, 60 states have (on average 1.4666666666666666) internal successors, (88), 61 states have internal predecessors, (88), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) Second operand has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-07 06:49:50,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 06:49:50,273 INFO L93 Difference]: Finished difference Result 171 states and 300 transitions. [2024-11-07 06:49:50,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-07 06:49:50,274 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) Word has length 168 [2024-11-07 06:49:50,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 06:49:50,280 INFO L225 Difference]: With dead ends: 171 [2024-11-07 06:49:50,280 INFO L226 Difference]: Without dead ends: 85 [2024-11-07 06:49:50,283 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 80 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 06:49:50,284 INFO L432 NwaCegarLoop]: 130 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, 130 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 06:49:50,285 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 06:49:50,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2024-11-07 06:49:50,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2024-11-07 06:49:50,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 57 states have (on average 1.368421052631579) internal successors, (78), 57 states have internal predecessors, (78), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-07 06:49:50,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 130 transitions. [2024-11-07 06:49:50,319 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 130 transitions. Word has length 168 [2024-11-07 06:49:50,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 06:49:50,319 INFO L471 AbstractCegarLoop]: Abstraction has 85 states and 130 transitions. [2024-11-07 06:49:50,320 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-07 06:49:50,320 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 130 transitions. [2024-11-07 06:49:50,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-11-07 06:49:50,322 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 06:49:50,322 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:49:50,322 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 06:49:50,323 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 06:49:50,323 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 06:49:50,323 INFO L85 PathProgramCache]: Analyzing trace with hash -1548093368, now seen corresponding path program 1 times [2024-11-07 06:49:50,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 06:49:50,323 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [968030314] [2024-11-07 06:49:50,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 06:49:50,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 06:49:50,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:49:50,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 06:49:50,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:49:50,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 06:49:50,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:49:50,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 06:49:50,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:49:50,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 06:49:50,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:49:50,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 06:49:50,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:49:50,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 06:49:50,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:49:50,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 06:49:50,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:49:50,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 06:49:50,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:49:50,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 06:49:50,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:49:50,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 06:49:50,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:49:50,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 06:49:50,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:49:50,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 06:49:50,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:49:50,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 06:49:50,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:49:50,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 06:49:50,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:49:50,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 06:49:50,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:49:50,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 06:49:50,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:49:50,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 06:49:50,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:49:50,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 06:49:50,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:49:50,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 06:49:50,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:49:50,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-07 06:49:50,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:49:50,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 06:49:50,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:49:50,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-07 06:49:50,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:49:50,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-07 06:49:50,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:49:50,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-07 06:49:50,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:49:50,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-07 06:49:50,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:49:50,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-07 06:49:50,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:49:50,588 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-07 06:49:50,588 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 06:49:50,588 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [968030314] [2024-11-07 06:49:50,588 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [968030314] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 06:49:50,588 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 06:49:50,588 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 06:49:50,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126091070] [2024-11-07 06:49:50,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 06:49:50,589 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 06:49:50,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 06:49:50,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 06:49:50,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 06:49:50,590 INFO L87 Difference]: Start difference. First operand 85 states and 130 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-07 06:49:50,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 06:49:50,656 INFO L93 Difference]: Finished difference Result 237 states and 365 transitions. [2024-11-07 06:49:50,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 06:49:50,657 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 169 [2024-11-07 06:49:50,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 06:49:50,660 INFO L225 Difference]: With dead ends: 237 [2024-11-07 06:49:50,661 INFO L226 Difference]: Without dead ends: 155 [2024-11-07 06:49:50,661 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 06:49:50,662 INFO L432 NwaCegarLoop]: 207 mSDtfsCounter, 113 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 314 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 06:49:50,663 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [113 Valid, 314 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 06:49:50,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2024-11-07 06:49:50,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 153. [2024-11-07 06:49:50,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 98 states have (on average 1.316326530612245) internal successors, (129), 98 states have internal predecessors, (129), 52 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-07 06:49:50,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 233 transitions. [2024-11-07 06:49:50,692 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 233 transitions. Word has length 169 [2024-11-07 06:49:50,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 06:49:50,693 INFO L471 AbstractCegarLoop]: Abstraction has 153 states and 233 transitions. [2024-11-07 06:49:50,693 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-07 06:49:50,693 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 233 transitions. [2024-11-07 06:49:50,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-11-07 06:49:50,697 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 06:49:50,697 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:49:50,697 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 06:49:50,697 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 06:49:50,698 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 06:49:50,698 INFO L85 PathProgramCache]: Analyzing trace with hash -1079800198, now seen corresponding path program 1 times [2024-11-07 06:49:50,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 06:49:50,698 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [812241455] [2024-11-07 06:49:50,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 06:49:50,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 06:49:50,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:49:50,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 06:49:50,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:49:50,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 06:49:50,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:49:50,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 06:49:50,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:49:50,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 06:49:50,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:49:50,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 06:49:50,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:49:50,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 06:49:50,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:49:50,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 06:49:50,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:49:50,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 06:49:50,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:49:50,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 06:49:50,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:49:50,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 06:49:50,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:49:50,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 06:49:50,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:49:50,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 06:49:50,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:49:50,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 06:49:50,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:49:50,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 06:49:50,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:49:50,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 06:49:50,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:49:50,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 06:49:50,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:49:50,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 06:49:50,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:49:50,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 06:49:50,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:49:50,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 06:49:50,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:49:50,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-07 06:49:50,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:49:50,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 06:49:50,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:49:50,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-07 06:49:50,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:49:50,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-07 06:49:50,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:49:50,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-07 06:49:50,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:49:50,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-07 06:49:50,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:49:50,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-07 06:49:50,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:49:50,856 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-07 06:49:50,859 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 06:49:50,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [812241455] [2024-11-07 06:49:50,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [812241455] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 06:49:50,859 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 06:49:50,859 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 06:49:50,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [787368538] [2024-11-07 06:49:50,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 06:49:50,860 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 06:49:50,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 06:49:50,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 06:49:50,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 06:49:50,860 INFO L87 Difference]: Start difference. First operand 153 states and 233 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-07 06:49:50,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 06:49:50,914 INFO L93 Difference]: Finished difference Result 306 states and 466 transitions. [2024-11-07 06:49:50,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 06:49:50,914 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 171 [2024-11-07 06:49:50,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 06:49:50,916 INFO L225 Difference]: With dead ends: 306 [2024-11-07 06:49:50,918 INFO L226 Difference]: Without dead ends: 156 [2024-11-07 06:49:50,919 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 06:49:50,919 INFO L432 NwaCegarLoop]: 125 mSDtfsCounter, 105 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 235 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 06:49:50,920 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 235 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 06:49:50,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2024-11-07 06:49:50,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 154. [2024-11-07 06:49:50,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 99 states have (on average 1.2828282828282829) internal successors, (127), 99 states have internal predecessors, (127), 52 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-07 06:49:50,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 231 transitions. [2024-11-07 06:49:50,937 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 231 transitions. Word has length 171 [2024-11-07 06:49:50,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 06:49:50,937 INFO L471 AbstractCegarLoop]: Abstraction has 154 states and 231 transitions. [2024-11-07 06:49:50,937 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-07 06:49:50,937 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 231 transitions. [2024-11-07 06:49:50,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-11-07 06:49:50,940 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 06:49:50,940 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:49:50,941 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-07 06:49:50,941 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 06:49:50,941 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 06:49:50,941 INFO L85 PathProgramCache]: Analyzing trace with hash -1666606212, now seen corresponding path program 1 times [2024-11-07 06:49:50,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 06:49:50,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [678258796] [2024-11-07 06:49:50,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 06:49:50,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 06:49:51,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:49:51,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 06:49:51,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:49:51,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 06:49:51,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:49:51,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 06:49:51,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:49:51,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 06:49:51,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:49:51,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 06:49:51,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:49:51,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 06:49:51,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:49:51,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 06:49:51,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:49:51,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 06:49:51,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:49:51,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 06:49:51,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:49:51,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 06:49:51,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:49:51,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 06:49:51,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:49:51,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 06:49:51,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:49:51,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 06:49:51,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:49:51,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 06:49:51,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:49:51,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 06:49:51,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:49:51,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 06:49:51,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:49:51,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 06:49:51,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:49:51,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 06:49:51,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:49:51,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 06:49:51,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:49:51,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-07 06:49:51,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:49:51,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 06:49:51,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:49:51,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-07 06:49:51,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:49:51,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-07 06:49:51,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:49:51,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-07 06:49:51,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:49:51,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-07 06:49:51,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:49:51,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-07 06:49:51,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:49:51,489 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 33 proven. 42 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2024-11-07 06:49:51,489 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 06:49:51,489 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [678258796] [2024-11-07 06:49:51,489 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [678258796] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 06:49:51,489 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1109415488] [2024-11-07 06:49:51,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 06:49:51,489 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 06:49:51,490 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 06:49:51,492 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 06:49:51,493 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 06:49:51,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:49:51,628 INFO L255 TraceCheckSpWp]: Trace formula consists of 409 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-07 06:49:51,638 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 06:49:51,848 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 663 proven. 42 refuted. 0 times theorem prover too weak. 595 trivial. 0 not checked. [2024-11-07 06:49:51,848 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 06:49:52,091 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 33 proven. 42 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2024-11-07 06:49:52,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1109415488] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 06:49:52,092 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 06:49:52,092 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 9 [2024-11-07 06:49:52,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789886923] [2024-11-07 06:49:52,092 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 06:49:52,093 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 06:49:52,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 06:49:52,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 06:49:52,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-07 06:49:52,096 INFO L87 Difference]: Start difference. First operand 154 states and 231 transitions. Second operand has 9 states, 9 states have (on average 6.555555555555555) internal successors, (59), 9 states have internal predecessors, (59), 2 states have call successors, (40), 2 states have call predecessors, (40), 4 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2024-11-07 06:49:52,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 06:49:52,334 INFO L93 Difference]: Finished difference Result 321 states and 473 transitions. [2024-11-07 06:49:52,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-07 06:49:52,337 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.555555555555555) internal successors, (59), 9 states have internal predecessors, (59), 2 states have call successors, (40), 2 states have call predecessors, (40), 4 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) Word has length 171 [2024-11-07 06:49:52,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 06:49:52,339 INFO L225 Difference]: With dead ends: 321 [2024-11-07 06:49:52,339 INFO L226 Difference]: Without dead ends: 170 [2024-11-07 06:49:52,339 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 404 GetRequests, 390 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=133, Unknown=0, NotChecked=0, Total=210 [2024-11-07 06:49:52,340 INFO L432 NwaCegarLoop]: 97 mSDtfsCounter, 222 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 153 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 248 SdHoareTripleChecker+Valid, 237 SdHoareTripleChecker+Invalid, 231 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 153 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 06:49:52,340 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [248 Valid, 237 Invalid, 231 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 153 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 06:49:52,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2024-11-07 06:49:52,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 162. [2024-11-07 06:49:52,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 105 states have (on average 1.2476190476190476) internal successors, (131), 105 states have internal predecessors, (131), 52 states have call successors, (52), 4 states have call predecessors, (52), 4 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-07 06:49:52,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 235 transitions. [2024-11-07 06:49:52,367 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 235 transitions. Word has length 171 [2024-11-07 06:49:52,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 06:49:52,368 INFO L471 AbstractCegarLoop]: Abstraction has 162 states and 235 transitions. [2024-11-07 06:49:52,370 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.555555555555555) internal successors, (59), 9 states have internal predecessors, (59), 2 states have call successors, (40), 2 states have call predecessors, (40), 4 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2024-11-07 06:49:52,370 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 235 transitions. [2024-11-07 06:49:52,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-11-07 06:49:52,374 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 06:49:52,374 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:49:52,389 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 06:49:52,575 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 06:49:52,575 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 06:49:52,575 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 06:49:52,575 INFO L85 PathProgramCache]: Analyzing trace with hash 108401150, now seen corresponding path program 1 times [2024-11-07 06:49:52,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 06:49:52,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032716776] [2024-11-07 06:49:52,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 06:49:52,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 06:49:52,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 06:49:52,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1977563267] [2024-11-07 06:49:52,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 06:49:52,666 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 06:49:52,666 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 06:49:52,668 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 06:49:52,670 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 06:49:52,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 06:49:52,788 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-07 06:49:52,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 06:49:52,922 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-07 06:49:52,923 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-07 06:49:52,923 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-07 06:49:52,938 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 06:49:53,125 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 06:49:53,127 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-07 06:49:53,196 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-07 06:49:53,199 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 06:49:53 BoogieIcfgContainer [2024-11-07 06:49:53,199 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-07 06:49:53,200 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-07 06:49:53,200 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-07 06:49:53,200 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-07 06:49:53,200 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 06:49:49" (3/4) ... [2024-11-07 06:49:53,201 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-07 06:49:53,202 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-07 06:49:53,202 INFO L158 Benchmark]: Toolchain (without parser) took 4235.89ms. Allocated memory was 117.4MB in the beginning and 192.9MB in the end (delta: 75.5MB). Free memory was 90.7MB in the beginning and 83.4MB in the end (delta: 7.2MB). Peak memory consumption was 85.3MB. Max. memory is 16.1GB. [2024-11-07 06:49:53,202 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 117.4MB. Free memory is still 81.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 06:49:53,203 INFO L158 Benchmark]: CACSL2BoogieTranslator took 248.71ms. Allocated memory is still 117.4MB. Free memory was 90.5MB in the beginning and 74.2MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-07 06:49:53,203 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.62ms. Allocated memory is still 117.4MB. Free memory was 74.2MB in the beginning and 67.4MB in the end (delta: 6.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-07 06:49:53,203 INFO L158 Benchmark]: Boogie Preprocessor took 64.54ms. Allocated memory is still 117.4MB. Free memory was 67.4MB in the beginning and 55.6MB in the end (delta: 11.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-07 06:49:53,205 INFO L158 Benchmark]: RCFGBuilder took 442.87ms. Allocated memory is still 117.4MB. Free memory was 55.6MB in the beginning and 67.1MB in the end (delta: -11.6MB). Peak memory consumption was 22.8MB. Max. memory is 16.1GB. [2024-11-07 06:49:53,205 INFO L158 Benchmark]: TraceAbstraction took 3397.23ms. Allocated memory was 117.4MB in the beginning and 192.9MB in the end (delta: 75.5MB). Free memory was 66.6MB in the beginning and 83.5MB in the end (delta: -16.8MB). Peak memory consumption was 62.5MB. Max. memory is 16.1GB. [2024-11-07 06:49:53,206 INFO L158 Benchmark]: Witness Printer took 2.38ms. Allocated memory is still 192.9MB. Free memory was 83.5MB in the beginning and 83.4MB in the end (delta: 37.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 06:49:53,207 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 117.4MB. Free memory is still 81.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 248.71ms. Allocated memory is still 117.4MB. Free memory was 90.5MB in the beginning and 74.2MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.62ms. Allocated memory is still 117.4MB. Free memory was 74.2MB in the beginning and 67.4MB in the end (delta: 6.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 64.54ms. Allocated memory is still 117.4MB. Free memory was 67.4MB in the beginning and 55.6MB in the end (delta: 11.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 442.87ms. Allocated memory is still 117.4MB. Free memory was 55.6MB in the beginning and 67.1MB in the end (delta: -11.6MB). Peak memory consumption was 22.8MB. Max. memory is 16.1GB. * TraceAbstraction took 3397.23ms. Allocated memory was 117.4MB in the beginning and 192.9MB in the end (delta: 75.5MB). Free memory was 66.6MB in the beginning and 83.5MB in the end (delta: -16.8MB). Peak memory consumption was 62.5MB. Max. memory is 16.1GB. * Witness Printer took 2.38ms. Allocated memory is still 192.9MB. Free memory was 83.5MB in the beginning and 83.4MB in the end (delta: 37.5kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 173, overapproximation of someBinaryDOUBLEComparisonOperation at line 173, overapproximation of someUnaryFLOAToperation at line 95, overapproximation of someBinaryArithmeticFLOAToperation at line 95. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = -64; [L23] unsigned char var_1_2 = 128; [L24] unsigned char var_1_3 = 64; [L25] signed short int var_1_6 = -16; [L26] unsigned short int var_1_7 = 56838; [L27] unsigned short int var_1_8 = 24612; [L28] signed short int var_1_9 = 20013; [L29] unsigned char var_1_10 = 0; [L30] unsigned char var_1_12 = 0; [L31] unsigned char var_1_13 = 0; [L32] signed short int var_1_14 = 50; [L33] unsigned char var_1_15 = 0; [L34] signed short int var_1_19 = 100; [L35] double var_1_21 = 3.5; [L36] signed short int var_1_23 = -128; [L37] float var_1_24 = 10.2; [L38] float var_1_25 = 8.6; [L39] float var_1_26 = 32.7; [L40] float var_1_27 = 16.25; [L41] float var_1_28 = 8.875; [L42] unsigned short int var_1_29 = 256; [L43] double var_1_30 = 2.75; [L44] unsigned char var_1_32 = 8; [L45] float var_1_35 = 1.15; [L46] float var_1_38 = 1000000.4; [L47] float var_1_39 = 32.25; [L48] signed char var_1_42 = -25; [L49] signed char var_1_46 = -1; [L50] unsigned char var_1_47 = 0; [L51] unsigned char var_1_49 = 1; [L52] unsigned char var_1_50 = 1; [L53] unsigned char last_1_var_1_15 = 0; VAL [isInitial=0, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=128, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=64, var_1_42=-25, var_1_46=-1, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=56838, var_1_8=24612, var_1_9=20013] [L177] isInitial = 1 [L178] FCALL initially() [L179] COND TRUE 1 [L180] CALL updateLastVariables() [L170] last_1_var_1_15 = var_1_15 VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=128, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=64, var_1_42=-25, var_1_46=-1, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=56838, var_1_8=24612, var_1_9=20013] [L180] RET updateLastVariables() [L181] CALL updateVariables() [L127] var_1_2 = __VERIFIER_nondet_uchar() [L128] CALL assume_abort_if_not(var_1_2 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=64, var_1_42=-25, var_1_46=-1, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=56838, var_1_8=24612, var_1_9=20013] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=64, var_1_42=-25, var_1_46=-1, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=56838, var_1_8=24612, var_1_9=20013] [L128] RET assume_abort_if_not(var_1_2 >= 127) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=64, var_1_42=-25, var_1_46=-1, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=56838, var_1_8=24612, var_1_9=20013] [L129] CALL assume_abort_if_not(var_1_2 <= 255) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=64, var_1_42=-25, var_1_46=-1, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=56838, var_1_8=24612, var_1_9=20013] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=64, var_1_42=-25, var_1_46=-1, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=56838, var_1_8=24612, var_1_9=20013] [L129] RET assume_abort_if_not(var_1_2 <= 255) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=64, var_1_42=-25, var_1_46=-1, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=56838, var_1_8=24612, var_1_9=20013] [L130] var_1_3 = __VERIFIER_nondet_uchar() [L131] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_42=-25, var_1_46=-1, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=56838, var_1_8=24612, var_1_9=20013] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_42=-25, var_1_46=-1, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=56838, var_1_8=24612, var_1_9=20013] [L131] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_42=-25, var_1_46=-1, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=56838, var_1_8=24612, var_1_9=20013] [L132] CALL assume_abort_if_not(var_1_3 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=0, var_1_42=-25, var_1_46=-1, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=56838, var_1_8=24612, var_1_9=20013] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=0, var_1_42=-25, var_1_46=-1, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=56838, var_1_8=24612, var_1_9=20013] [L132] RET assume_abort_if_not(var_1_3 <= 127) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=0, var_1_42=-25, var_1_46=-1, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=56838, var_1_8=24612, var_1_9=20013] [L133] var_1_7 = __VERIFIER_nondet_ushort() [L134] CALL assume_abort_if_not(var_1_7 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=0, var_1_42=-25, var_1_46=-1, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=24612, var_1_9=20013] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=0, var_1_42=-25, var_1_46=-1, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=24612, var_1_9=20013] [L134] RET assume_abort_if_not(var_1_7 >= 32767) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=0, var_1_42=-25, var_1_46=-1, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=24612, var_1_9=20013] [L135] CALL assume_abort_if_not(var_1_7 <= 65535) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=0, var_1_42=-25, var_1_46=-1, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=24612, var_1_9=20013] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=0, var_1_42=-25, var_1_46=-1, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=24612, var_1_9=20013] [L135] RET assume_abort_if_not(var_1_7 <= 65535) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=0, var_1_42=-25, var_1_46=-1, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=24612, var_1_9=20013] [L136] var_1_8 = __VERIFIER_nondet_ushort() [L137] CALL assume_abort_if_not(var_1_8 >= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=0, var_1_42=-25, var_1_46=-1, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=16383, var_1_9=20013] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=0, var_1_42=-25, var_1_46=-1, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=16383, var_1_9=20013] [L137] RET assume_abort_if_not(var_1_8 >= 16383) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=0, var_1_42=-25, var_1_46=-1, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=16383, var_1_9=20013] [L138] CALL assume_abort_if_not(var_1_8 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=0, var_1_42=-25, var_1_46=-1, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=16383, var_1_9=20013] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=0, var_1_42=-25, var_1_46=-1, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=16383, var_1_9=20013] [L138] RET assume_abort_if_not(var_1_8 <= 32767) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=0, var_1_42=-25, var_1_46=-1, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=16383, var_1_9=20013] [L139] var_1_9 = __VERIFIER_nondet_short() [L140] CALL assume_abort_if_not(var_1_9 >= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=0, var_1_42=-25, var_1_46=-1, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=16383, var_1_9=32766] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=0, var_1_42=-25, var_1_46=-1, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=16383, var_1_9=32766] [L140] RET assume_abort_if_not(var_1_9 >= 16383) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=0, var_1_42=-25, var_1_46=-1, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=16383, var_1_9=32766] [L141] CALL assume_abort_if_not(var_1_9 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=0, var_1_42=-25, var_1_46=-1, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=16383, var_1_9=32766] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=0, var_1_42=-25, var_1_46=-1, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=16383, var_1_9=32766] [L141] RET assume_abort_if_not(var_1_9 <= 32766) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=0, var_1_42=-25, var_1_46=-1, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=16383, var_1_9=32766] [L142] var_1_12 = __VERIFIER_nondet_uchar() [L143] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=0, var_1_42=-25, var_1_46=-1, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=16383, var_1_9=32766] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=0, var_1_42=-25, var_1_46=-1, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=16383, var_1_9=32766] [L143] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=0, var_1_42=-25, var_1_46=-1, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=16383, var_1_9=32766] [L144] CALL assume_abort_if_not(var_1_12 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=0, var_1_42=-25, var_1_46=-1, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=16383, var_1_9=32766] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=0, var_1_42=-25, var_1_46=-1, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=16383, var_1_9=32766] [L144] RET assume_abort_if_not(var_1_12 <= 0) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=0, var_1_42=-25, var_1_46=-1, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=16383, var_1_9=32766] [L145] var_1_13 = __VERIFIER_nondet_uchar() [L146] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=0, var_1_42=-25, var_1_46=-1, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=16383, var_1_9=32766] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=0, var_1_42=-25, var_1_46=-1, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=16383, var_1_9=32766] [L146] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=0, var_1_42=-25, var_1_46=-1, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=16383, var_1_9=32766] [L147] CALL assume_abort_if_not(var_1_13 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=0, var_1_42=-25, var_1_46=-1, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=16383, var_1_9=32766] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=0, var_1_42=-25, var_1_46=-1, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=16383, var_1_9=32766] [L147] RET assume_abort_if_not(var_1_13 <= 0) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=0, var_1_42=-25, var_1_46=-1, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=16383, var_1_9=32766] [L148] var_1_21 = __VERIFIER_nondet_double() [L149] CALL assume_abort_if_not((var_1_21 >= -922337.2036854776000e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854776000e+12F && var_1_21 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=0, var_1_42=-25, var_1_46=-1, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=16383, var_1_9=32766] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=0, var_1_42=-25, var_1_46=-1, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=16383, var_1_9=32766] [L149] RET assume_abort_if_not((var_1_21 >= -922337.2036854776000e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854776000e+12F && var_1_21 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=0, var_1_42=-25, var_1_46=-1, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=16383, var_1_9=32766] [L150] CALL assume_abort_if_not(var_1_21 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=0, var_1_42=-25, var_1_46=-1, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=16383, var_1_9=32766] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=0, var_1_42=-25, var_1_46=-1, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=16383, var_1_9=32766] [L150] RET assume_abort_if_not(var_1_21 != 0.0F) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=0, var_1_42=-25, var_1_46=-1, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=16383, var_1_9=32766] [L151] var_1_23 = __VERIFIER_nondet_short() [L152] CALL assume_abort_if_not(var_1_23 >= -16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-16383, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=0, var_1_42=-25, var_1_46=-1, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=16383, var_1_9=32766] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-16383, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=0, var_1_42=-25, var_1_46=-1, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=16383, var_1_9=32766] [L152] RET assume_abort_if_not(var_1_23 >= -16383) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-16383, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=0, var_1_42=-25, var_1_46=-1, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=16383, var_1_9=32766] [L153] CALL assume_abort_if_not(var_1_23 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-16383, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=0, var_1_42=-25, var_1_46=-1, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=16383, var_1_9=32766] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-16383, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=0, var_1_42=-25, var_1_46=-1, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=16383, var_1_9=32766] [L153] RET assume_abort_if_not(var_1_23 <= 16383) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-16383, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=0, var_1_42=-25, var_1_46=-1, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=16383, var_1_9=32766] [L154] var_1_25 = __VERIFIER_nondet_float() [L155] CALL assume_abort_if_not((var_1_25 >= -922337.2036854765600e+13F && var_1_25 <= -1.0e-20F) || (var_1_25 <= 9223372.036854765600e+12F && var_1_25 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-16383, var_1_24=51/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=0, var_1_42=-25, var_1_46=-1, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=16383, var_1_9=32766] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-16383, var_1_24=51/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=0, var_1_42=-25, var_1_46=-1, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=16383, var_1_9=32766] [L155] RET assume_abort_if_not((var_1_25 >= -922337.2036854765600e+13F && var_1_25 <= -1.0e-20F) || (var_1_25 <= 9223372.036854765600e+12F && var_1_25 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-16383, var_1_24=51/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=0, var_1_42=-25, var_1_46=-1, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=16383, var_1_9=32766] [L156] var_1_26 = __VERIFIER_nondet_float() [L157] CALL assume_abort_if_not((var_1_26 >= -922337.2036854765600e+13F && var_1_26 <= -1.0e-20F) || (var_1_26 <= 9223372.036854765600e+12F && var_1_26 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-16383, var_1_24=51/5, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=0, var_1_42=-25, var_1_46=-1, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=16383, var_1_9=32766] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-16383, var_1_24=51/5, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=0, var_1_42=-25, var_1_46=-1, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=16383, var_1_9=32766] [L157] RET assume_abort_if_not((var_1_26 >= -922337.2036854765600e+13F && var_1_26 <= -1.0e-20F) || (var_1_26 <= 9223372.036854765600e+12F && var_1_26 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-16383, var_1_24=51/5, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=0, var_1_42=-25, var_1_46=-1, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=16383, var_1_9=32766] [L158] var_1_27 = __VERIFIER_nondet_float() [L159] CALL assume_abort_if_not((var_1_27 >= 0.0F && var_1_27 <= -1.0e-20F) || (var_1_27 <= 9223372.036854765600e+12F && var_1_27 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-16383, var_1_24=51/5, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=0, var_1_42=-25, var_1_46=-1, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=16383, var_1_9=32766] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-16383, var_1_24=51/5, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=0, var_1_42=-25, var_1_46=-1, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=16383, var_1_9=32766] [L159] RET assume_abort_if_not((var_1_27 >= 0.0F && var_1_27 <= -1.0e-20F) || (var_1_27 <= 9223372.036854765600e+12F && var_1_27 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-16383, var_1_24=51/5, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=0, var_1_42=-25, var_1_46=-1, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=16383, var_1_9=32766] [L160] var_1_28 = __VERIFIER_nondet_float() [L161] CALL assume_abort_if_not((var_1_28 >= 0.0F && var_1_28 <= -1.0e-20F) || (var_1_28 <= 9223372.036854765600e+12F && var_1_28 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-16383, var_1_24=51/5, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=0, var_1_42=-25, var_1_46=-1, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=16383, var_1_9=32766] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-16383, var_1_24=51/5, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=0, var_1_42=-25, var_1_46=-1, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=16383, var_1_9=32766] [L161] RET assume_abort_if_not((var_1_28 >= 0.0F && var_1_28 <= -1.0e-20F) || (var_1_28 <= 9223372.036854765600e+12F && var_1_28 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-16383, var_1_24=51/5, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=0, var_1_42=-25, var_1_46=-1, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=16383, var_1_9=32766] [L162] var_1_46 = __VERIFIER_nondet_char() [L163] CALL assume_abort_if_not(var_1_46 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-16383, var_1_24=51/5, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=0, var_1_42=-25, var_1_46=-63, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=16383, var_1_9=32766] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-16383, var_1_24=51/5, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=0, var_1_42=-25, var_1_46=-63, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=16383, var_1_9=32766] [L163] RET assume_abort_if_not(var_1_46 >= -63) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-16383, var_1_24=51/5, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=0, var_1_42=-25, var_1_46=-63, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=16383, var_1_9=32766] [L164] CALL assume_abort_if_not(var_1_46 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-16383, var_1_24=51/5, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=0, var_1_42=-25, var_1_46=-63, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=16383, var_1_9=32766] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-16383, var_1_24=51/5, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=0, var_1_42=-25, var_1_46=-63, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=16383, var_1_9=32766] [L164] RET assume_abort_if_not(var_1_46 <= 63) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-16383, var_1_24=51/5, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=0, var_1_42=-25, var_1_46=-63, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=16383, var_1_9=32766] [L165] var_1_49 = __VERIFIER_nondet_uchar() [L166] CALL assume_abort_if_not(var_1_49 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-16383, var_1_24=51/5, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=0, var_1_42=-25, var_1_46=-63, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=16383, var_1_9=32766] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-16383, var_1_24=51/5, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=0, var_1_42=-25, var_1_46=-63, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=16383, var_1_9=32766] [L166] RET assume_abort_if_not(var_1_49 >= 1) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-16383, var_1_24=51/5, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=0, var_1_42=-25, var_1_46=-63, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=16383, var_1_9=32766] [L167] CALL assume_abort_if_not(var_1_49 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-16383, var_1_24=51/5, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=0, var_1_42=-25, var_1_46=-63, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=16383, var_1_9=32766] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-16383, var_1_24=51/5, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=0, var_1_42=-25, var_1_46=-63, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=16383, var_1_9=32766] [L167] RET assume_abort_if_not(var_1_49 <= 1) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-16383, var_1_24=51/5, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=0, var_1_42=-25, var_1_46=-63, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=16383, var_1_9=32766] [L181] RET updateVariables() [L182] CALL step() [L57] var_1_30 = ((((var_1_28) < 0 ) ? -(var_1_28) : (var_1_28))) [L58] var_1_32 = (((((var_1_3) < 0 ) ? -(var_1_3) : (var_1_3))) + var_1_3) [L59] var_1_35 = ((((var_1_27) > (((((8.9f) > ((var_1_27 - var_1_27))) ? (8.9f) : ((var_1_27 - var_1_27)))))) ? (var_1_27) : (((((8.9f) > ((var_1_27 - var_1_27))) ? (8.9f) : ((var_1_27 - var_1_27))))))) [L60] var_1_38 = ((((50.8f) < 0 ) ? -(50.8f) : (50.8f))) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-16383, var_1_24=51/5, var_1_27=3, var_1_28=0, var_1_29=256, var_1_2=127, var_1_30=4, var_1_32=0, var_1_35=3, var_1_38=2, var_1_39=129/4, var_1_3=0, var_1_42=-25, var_1_46=-63, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=16383, var_1_9=32766] [L61] COND TRUE (~ var_1_3) < (var_1_3 * var_1_2) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-16383, var_1_24=51/5, var_1_27=3, var_1_28=0, var_1_29=256, var_1_2=127, var_1_30=4, var_1_32=0, var_1_35=3, var_1_38=2, var_1_39=129/4, var_1_3=0, var_1_42=-25, var_1_46=-63, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=16383, var_1_9=32766] [L62] COND FALSE !(\read(var_1_10)) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-16383, var_1_24=51/5, var_1_27=3, var_1_28=0, var_1_29=256, var_1_2=127, var_1_30=4, var_1_32=0, var_1_35=3, var_1_38=2, var_1_39=129/4, var_1_3=0, var_1_42=-25, var_1_46=-63, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=16383, var_1_9=32766] [L65] EXPR var_1_3 | var_1_2 VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-16383, var_1_24=51/5, var_1_27=3, var_1_28=0, var_1_29=256, var_1_2=127, var_1_30=4, var_1_32=0, var_1_35=3, var_1_38=2, var_1_39=129/4, var_1_3=0, var_1_42=-25, var_1_46=-63, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=16383, var_1_9=32766] [L65] COND TRUE (var_1_3 | var_1_2) >= var_1_3 [L66] var_1_39 = var_1_27 VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-16383, var_1_24=51/5, var_1_27=3, var_1_28=0, var_1_29=256, var_1_2=127, var_1_30=4, var_1_32=0, var_1_35=3, var_1_38=2, var_1_39=3, var_1_3=0, var_1_42=-25, var_1_46=-63, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=16383, var_1_9=32766] [L72] COND FALSE !(\read(var_1_10)) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-16383, var_1_24=51/5, var_1_27=3, var_1_28=0, var_1_29=256, var_1_2=127, var_1_30=4, var_1_32=0, var_1_35=3, var_1_38=2, var_1_39=3, var_1_3=0, var_1_42=-25, var_1_46=-63, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=16383, var_1_9=32766] [L79] COND TRUE var_1_28 >= ((((var_1_27) < 0 ) ? -(var_1_27) : (var_1_27))) [L80] var_1_47 = var_1_13 VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-16383, var_1_24=51/5, var_1_27=3, var_1_28=0, var_1_29=256, var_1_2=127, var_1_30=4, var_1_32=0, var_1_35=3, var_1_38=2, var_1_39=3, var_1_3=0, var_1_42=-25, var_1_46=-63, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=16383, var_1_9=32766] [L88] var_1_50 = var_1_13 VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-16383, var_1_24=51/5, var_1_27=3, var_1_28=0, var_1_29=256, var_1_2=127, var_1_30=4, var_1_32=0, var_1_35=3, var_1_38=2, var_1_39=3, var_1_3=0, var_1_42=-25, var_1_46=-63, var_1_47=0, var_1_49=1, var_1_50=0, var_1_6=-16, var_1_7=32767, var_1_8=16383, var_1_9=32766] [L89] COND FALSE !(\read(last_1_var_1_15)) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-16383, var_1_24=51/5, var_1_27=3, var_1_28=0, var_1_29=256, var_1_2=127, var_1_30=4, var_1_32=0, var_1_35=3, var_1_38=2, var_1_39=3, var_1_3=0, var_1_42=-25, var_1_46=-63, var_1_47=0, var_1_49=1, var_1_50=0, var_1_6=-16, var_1_7=32767, var_1_8=16383, var_1_9=32766] [L92] COND FALSE !(\read(var_1_10)) [L95] var_1_24 = ((((var_1_27 - var_1_28) < 0 ) ? -(var_1_27 - var_1_28) : (var_1_27 - var_1_28))) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-16383, var_1_24=5, var_1_27=3, var_1_28=0, var_1_29=256, var_1_2=127, var_1_30=4, var_1_32=0, var_1_35=3, var_1_38=2, var_1_39=3, var_1_3=0, var_1_42=-25, var_1_46=-63, var_1_47=0, var_1_49=1, var_1_50=0, var_1_6=-16, var_1_7=32767, var_1_8=16383, var_1_9=32766] [L97] COND TRUE (- var_1_24) == (var_1_24 + var_1_24) [L98] var_1_15 = var_1_12 VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-16383, var_1_24=5, var_1_27=3, var_1_28=0, var_1_29=256, var_1_2=127, var_1_30=4, var_1_32=0, var_1_35=3, var_1_38=2, var_1_39=3, var_1_3=0, var_1_42=-25, var_1_46=-63, var_1_47=0, var_1_49=1, var_1_50=0, var_1_6=-16, var_1_7=32767, var_1_8=16383, var_1_9=32766] [L100] COND FALSE !(var_1_24 == ((((((((3.3) > (var_1_24)) ? (3.3) : (var_1_24)))) > ((var_1_24 / var_1_21))) ? (((((3.3) > (var_1_24)) ? (3.3) : (var_1_24)))) : ((var_1_24 / var_1_21))))) [L107] var_1_19 = var_1_2 VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=127, var_1_1=-64, var_1_23=-16383, var_1_24=5, var_1_27=3, var_1_28=0, var_1_29=256, var_1_2=127, var_1_30=4, var_1_32=0, var_1_35=3, var_1_38=2, var_1_39=3, var_1_3=0, var_1_42=-25, var_1_46=-63, var_1_47=0, var_1_49=1, var_1_50=0, var_1_6=-16, var_1_7=32767, var_1_8=16383, var_1_9=32766] [L109] COND TRUE var_1_24 != var_1_24 [L110] var_1_29 = ((((var_1_2) > (var_1_3)) ? (var_1_2) : (var_1_3))) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=127, var_1_1=-64, var_1_23=-16383, var_1_24=5, var_1_27=3, var_1_28=0, var_1_29=127, var_1_2=127, var_1_30=4, var_1_32=0, var_1_35=3, var_1_38=2, var_1_39=3, var_1_3=0, var_1_42=-25, var_1_46=-63, var_1_47=0, var_1_49=1, var_1_50=0, var_1_6=-16, var_1_7=32767, var_1_8=16383, var_1_9=32766] [L112] signed long int stepLocal_1 = var_1_7 - (var_1_8 - var_1_2); VAL [isInitial=1, last_1_var_1_15=0, stepLocal_1=16511, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=127, var_1_1=-64, var_1_23=-16383, var_1_24=5, var_1_27=3, var_1_28=0, var_1_29=127, var_1_2=127, var_1_30=4, var_1_32=0, var_1_35=3, var_1_38=2, var_1_39=3, var_1_3=0, var_1_42=-25, var_1_46=-63, var_1_47=0, var_1_49=1, var_1_50=0, var_1_6=-16, var_1_7=32767, var_1_8=16383, var_1_9=32766] [L113] COND TRUE stepLocal_1 >= var_1_29 [L114] var_1_6 = (var_1_3 - (var_1_9 - var_1_2)) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=127, var_1_1=-64, var_1_23=-16383, var_1_24=5, var_1_27=3, var_1_28=0, var_1_29=127, var_1_2=127, var_1_30=4, var_1_32=0, var_1_35=3, var_1_38=2, var_1_39=3, var_1_3=0, var_1_42=-25, var_1_46=-63, var_1_47=0, var_1_49=1, var_1_50=0, var_1_6=-32639, var_1_7=32767, var_1_8=16383, var_1_9=32766] [L116] COND FALSE !(\read(var_1_15)) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=127, var_1_1=-64, var_1_23=-16383, var_1_24=5, var_1_27=3, var_1_28=0, var_1_29=127, var_1_2=127, var_1_30=4, var_1_32=0, var_1_35=3, var_1_38=2, var_1_39=3, var_1_3=0, var_1_42=-25, var_1_46=-63, var_1_47=0, var_1_49=1, var_1_50=0, var_1_6=-32639, var_1_7=32767, var_1_8=16383, var_1_9=32766] [L119] signed long int stepLocal_0 = var_1_2 - var_1_3; VAL [isInitial=1, last_1_var_1_15=0, stepLocal_0=127, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=127, var_1_1=-64, var_1_23=-16383, var_1_24=5, var_1_27=3, var_1_28=0, var_1_29=127, var_1_2=127, var_1_30=4, var_1_32=0, var_1_35=3, var_1_38=2, var_1_39=3, var_1_3=0, var_1_42=-25, var_1_46=-63, var_1_47=0, var_1_49=1, var_1_50=0, var_1_6=-32639, var_1_7=32767, var_1_8=16383, var_1_9=32766] [L120] COND TRUE stepLocal_0 <= ((((var_1_29) > (var_1_6)) ? (var_1_29) : (var_1_6))) [L121] var_1_1 = ((((var_1_2) > (var_1_3)) ? (var_1_2) : (var_1_3))) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=127, var_1_1=127, var_1_23=-16383, var_1_24=5, var_1_27=3, var_1_28=0, var_1_29=127, var_1_2=127, var_1_30=4, var_1_32=0, var_1_35=3, var_1_38=2, var_1_39=3, var_1_3=0, var_1_42=-25, var_1_46=-63, var_1_47=0, var_1_49=1, var_1_50=0, var_1_6=-32639, var_1_7=32767, var_1_8=16383, var_1_9=32766] [L182] RET step() [L183] CALL, EXPR property() [L173-L174] return (((((((((var_1_2 - var_1_3) <= ((((var_1_29) > (var_1_6)) ? (var_1_29) : (var_1_6)))) ? (var_1_1 == ((signed long int) ((((var_1_2) > (var_1_3)) ? (var_1_2) : (var_1_3))))) : (var_1_1 == ((signed long int) var_1_2))) && (((var_1_7 - (var_1_8 - var_1_2)) >= var_1_29) ? (var_1_6 == ((signed short int) (var_1_3 - (var_1_9 - var_1_2)))) : 1)) && (last_1_var_1_15 ? (var_1_10 == ((unsigned char) (var_1_12 || var_1_13))) : 1)) && (var_1_15 ? (var_1_14 == ((signed short int) (((((((((((var_1_3) > (var_1_2)) ? (var_1_3) : (var_1_2))) < 0 ) ? -((((var_1_3) > (var_1_2)) ? (var_1_3) : (var_1_2))) : ((((var_1_3) > (var_1_2)) ? (var_1_3) : (var_1_2)))))) < (var_1_9)) ? ((((((((var_1_3) > (var_1_2)) ? (var_1_3) : (var_1_2))) < 0 ) ? -((((var_1_3) > (var_1_2)) ? (var_1_3) : (var_1_2))) : ((((var_1_3) > (var_1_2)) ? (var_1_3) : (var_1_2)))))) : (var_1_9))))) : 1)) && (((- var_1_24) == (var_1_24 + var_1_24)) ? (var_1_15 == ((unsigned char) var_1_12)) : 1)) && ((var_1_24 == ((((((((3.3) > (var_1_24)) ? (3.3) : (var_1_24)))) > ((var_1_24 / var_1_21))) ? (((((3.3) > (var_1_24)) ? (3.3) : (var_1_24)))) : ((var_1_24 / var_1_21))))) ? (var_1_10 ? (var_1_19 == ((signed short int) (var_1_3 + ((((var_1_2) < (var_1_23)) ? (var_1_2) : (var_1_23)))))) : (var_1_19 == ((signed short int) (var_1_3 - 8)))) : (var_1_19 == ((signed short int) var_1_2)))) && (var_1_10 ? (var_1_24 == ((float) ((((var_1_25) > (((((var_1_26) < 0 ) ? -(var_1_26) : (var_1_26))))) ? (var_1_25) : (((((var_1_26) < 0 ) ? -(var_1_26) : (var_1_26)))))))) : (var_1_24 == ((float) ((((var_1_27 - var_1_28) < 0 ) ? -(var_1_27 - var_1_28) : (var_1_27 - var_1_28))))))) && ((var_1_24 != var_1_24) ? (var_1_29 == ((unsigned short int) ((((var_1_2) > (var_1_3)) ? (var_1_2) : (var_1_3))))) : 1) ; VAL [\result=0, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=127, var_1_1=127, var_1_23=-16383, var_1_24=5, var_1_27=3, var_1_28=0, var_1_29=127, var_1_2=127, var_1_30=4, var_1_32=0, var_1_35=3, var_1_38=2, var_1_39=3, var_1_3=0, var_1_42=-25, var_1_46=-63, var_1_47=0, var_1_49=1, var_1_50=0, var_1_6=-32639, var_1_7=32767, var_1_8=16383, var_1_9=32766] [L183] RET, EXPR property() [L183] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=127, var_1_1=127, var_1_23=-16383, var_1_24=5, var_1_27=3, var_1_28=0, var_1_29=127, var_1_2=127, var_1_30=4, var_1_32=0, var_1_35=3, var_1_38=2, var_1_39=3, var_1_3=0, var_1_42=-25, var_1_46=-63, var_1_47=0, var_1_49=1, var_1_50=0, var_1_6=-32639, var_1_7=32767, var_1_8=16383, var_1_9=32766] [L19] reach_error() VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=127, var_1_1=127, var_1_23=-16383, var_1_24=5, var_1_27=3, var_1_28=0, var_1_29=127, var_1_2=127, var_1_30=4, var_1_32=0, var_1_35=3, var_1_38=2, var_1_39=3, var_1_3=0, var_1_42=-25, var_1_46=-63, var_1_47=0, var_1_49=1, var_1_50=0, var_1_6=-32639, var_1_7=32767, var_1_8=16383, var_1_9=32766] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 89 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.3s, OverallIterations: 5, TraceHistogramMax: 26, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 466 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 440 mSDsluCounter, 916 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 357 mSDsCounter, 89 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 177 IncrementalHoareTripleChecker+Invalid, 266 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 89 mSolverCounterUnsat, 559 mSDtfsCounter, 177 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 594 GetRequests, 578 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=162occurred in iteration=4, InterpolantAutomatonStates: 18, 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, 4 MinimizatonAttempts, 12 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 1192 NumberOfCodeBlocks, 1192 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1015 ConstructedInterpolants, 0 QuantifiedInterpolants, 1816 SizeOfPredicates, 2 NumberOfNonLiveVariables, 409 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 6 InterpolantComputations, 3 PerfectInterpolantSequences, 7674/7800 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 06:49:53,232 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_fillercode_fillercodestructure_filler-ps-ci_file-19.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 21bbc66d7f55647a0fe486f04527098d4843a40e4e1ddd0434f409501d0851bd --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 06:49:54,887 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 06:49:54,956 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-07 06:49:54,960 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 06:49:54,960 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 06:49:54,978 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 06:49:54,978 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 06:49:54,978 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 06:49:54,979 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 06:49:54,979 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 06:49:54,979 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 06:49:54,979 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 06:49:54,979 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 06:49:54,979 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 06:49:54,979 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 06:49:54,979 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 06:49:54,979 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 06:49:54,980 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 06:49:54,980 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 06:49:54,980 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 06:49:54,980 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 06:49:54,980 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 06:49:54,980 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 06:49:54,980 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-07 06:49:54,980 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-07 06:49:54,980 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 06:49:54,980 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-07 06:49:54,980 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 06:49:54,981 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 06:49:54,981 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 06:49:54,981 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 06:49:54,981 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 06:49:54,981 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 06:49:54,981 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 06:49:54,981 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 06:49:54,981 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 06:49:54,981 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 06:49:54,981 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 06:49:54,981 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-07 06:49:54,982 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-07 06:49:54,982 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 06:49:54,982 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 06:49:54,982 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 06:49:54,982 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 06:49:54,982 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 -> 21bbc66d7f55647a0fe486f04527098d4843a40e4e1ddd0434f409501d0851bd [2024-11-07 06:49:55,164 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 06:49:55,174 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 06:49:55,176 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 06:49:55,177 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 06:49:55,177 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 06:49:55,178 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-19.i [2024-11-07 06:49:56,279 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 06:49:56,477 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 06:49:56,479 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-19.i [2024-11-07 06:49:56,486 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/c3d7f689d/960263c0bc2f4451a79c538c76a6498c/FLAG395df5a74 [2024-11-07 06:49:56,841 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/c3d7f689d/960263c0bc2f4451a79c538c76a6498c [2024-11-07 06:49:56,843 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 06:49:56,844 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 06:49:56,845 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 06:49:56,845 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 06:49:56,848 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 06:49:56,848 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 06:49:56" (1/1) ... [2024-11-07 06:49:56,849 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d8d9361 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:49:56, skipping insertion in model container [2024-11-07 06:49:56,849 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 06:49:56" (1/1) ... [2024-11-07 06:49:56,864 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 06:49:56,955 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_fillercode_fillercodestructure_filler-ps-ci_file-19.i[919,932] [2024-11-07 06:49:57,011 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 06:49:57,023 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 06:49:57,030 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_fillercode_fillercodestructure_filler-ps-ci_file-19.i[919,932] [2024-11-07 06:49:57,052 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 06:49:57,070 INFO L204 MainTranslator]: Completed translation [2024-11-07 06:49:57,071 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:49:57 WrapperNode [2024-11-07 06:49:57,071 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 06:49:57,072 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 06:49:57,072 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 06:49:57,072 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 06:49:57,076 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:49:57" (1/1) ... [2024-11-07 06:49:57,089 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:49:57" (1/1) ... [2024-11-07 06:49:57,111 INFO L138 Inliner]: procedures = 27, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 181 [2024-11-07 06:49:57,112 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 06:49:57,112 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 06:49:57,112 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 06:49:57,112 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 06:49:57,126 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:49:57" (1/1) ... [2024-11-07 06:49:57,126 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:49:57" (1/1) ... [2024-11-07 06:49:57,130 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:49:57" (1/1) ... [2024-11-07 06:49:57,145 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 06:49:57,146 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:49:57" (1/1) ... [2024-11-07 06:49:57,146 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:49:57" (1/1) ... [2024-11-07 06:49:57,152 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:49:57" (1/1) ... [2024-11-07 06:49:57,154 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:49:57" (1/1) ... [2024-11-07 06:49:57,156 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:49:57" (1/1) ... [2024-11-07 06:49:57,161 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:49:57" (1/1) ... [2024-11-07 06:49:57,163 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 06:49:57,164 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 06:49:57,164 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 06:49:57,164 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 06:49:57,167 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:49:57" (1/1) ... [2024-11-07 06:49:57,172 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 06:49:57,180 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 06:49:57,190 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 06:49:57,192 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 06:49:57,209 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 06:49:57,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-07 06:49:57,209 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 06:49:57,209 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 06:49:57,209 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 06:49:57,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 06:49:57,270 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 06:49:57,271 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 06:50:11,375 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-07 06:50:11,376 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 06:50:11,382 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 06:50:11,382 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-07 06:50:11,383 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 06:50:11 BoogieIcfgContainer [2024-11-07 06:50:11,383 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 06:50:11,384 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 06:50:11,384 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 06:50:11,391 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 06:50:11,392 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 06:49:56" (1/3) ... [2024-11-07 06:50:11,392 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@240ea0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 06:50:11, skipping insertion in model container [2024-11-07 06:50:11,392 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:49:57" (2/3) ... [2024-11-07 06:50:11,392 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@240ea0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 06:50:11, skipping insertion in model container [2024-11-07 06:50:11,392 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 06:50:11" (3/3) ... [2024-11-07 06:50:11,393 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-ci_file-19.i [2024-11-07 06:50:11,402 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 06:50:11,402 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-07 06:50:11,451 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 06:50:11,458 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;@626fa25, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 06:50:11,458 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-07 06:50:11,461 INFO L276 IsEmpty]: Start isEmpty. Operand has 79 states, 50 states have (on average 1.42) internal successors, (71), 51 states have internal predecessors, (71), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-07 06:50:11,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-11-07 06:50:11,469 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 06:50:11,469 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:50:11,470 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 06:50:11,472 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 06:50:11,472 INFO L85 PathProgramCache]: Analyzing trace with hash -1537800315, now seen corresponding path program 1 times [2024-11-07 06:50:11,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 06:50:11,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [675529047] [2024-11-07 06:50:11,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 06:50:11,480 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 06:50:11,480 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 06:50:11,482 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 06:50:11,485 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 06:50:12,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:50:12,321 INFO L255 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-07 06:50:12,327 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 06:50:12,358 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 554 proven. 0 refuted. 0 times theorem prover too weak. 746 trivial. 0 not checked. [2024-11-07 06:50:12,358 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 06:50:12,358 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-07 06:50:12,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [675529047] [2024-11-07 06:50:12,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [675529047] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 06:50:12,359 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 06:50:12,359 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 06:50:12,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115051918] [2024-11-07 06:50:12,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 06:50:12,365 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-07 06:50:12,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-07 06:50:12,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-07 06:50:12,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-07 06:50:12,384 INFO L87 Difference]: Start difference. First operand has 79 states, 50 states have (on average 1.42) internal successors, (71), 51 states have internal predecessors, (71), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) Second operand has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-07 06:50:12,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 06:50:12,427 INFO L93 Difference]: Finished difference Result 151 states and 266 transitions. [2024-11-07 06:50:12,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-07 06:50:12,428 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 168 [2024-11-07 06:50:12,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 06:50:12,432 INFO L225 Difference]: With dead ends: 151 [2024-11-07 06:50:12,432 INFO L226 Difference]: Without dead ends: 75 [2024-11-07 06:50:12,436 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 167 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 06:50:12,438 INFO L432 NwaCegarLoop]: 114 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, 114 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 06:50:12,439 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 06:50:12,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2024-11-07 06:50:12,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2024-11-07 06:50:12,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 47 states have (on average 1.3191489361702127) internal successors, (62), 47 states have internal predecessors, (62), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-07 06:50:12,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 114 transitions. [2024-11-07 06:50:12,466 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 114 transitions. Word has length 168 [2024-11-07 06:50:12,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 06:50:12,466 INFO L471 AbstractCegarLoop]: Abstraction has 75 states and 114 transitions. [2024-11-07 06:50:12,466 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-07 06:50:12,467 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 114 transitions. [2024-11-07 06:50:12,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-11-07 06:50:12,468 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 06:50:12,469 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:50:12,491 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-07 06:50:12,669 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 06:50:12,669 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 06:50:12,670 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 06:50:12,670 INFO L85 PathProgramCache]: Analyzing trace with hash -1884477923, now seen corresponding path program 1 times [2024-11-07 06:50:12,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 06:50:12,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [24058007] [2024-11-07 06:50:12,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 06:50:12,671 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 06:50:12,671 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 06:50:12,673 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 06:50:12,675 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 06:50:13,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:50:13,524 INFO L255 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-07 06:50:13,530 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 06:50:18,761 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-07 06:50:18,762 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 06:50:18,762 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-07 06:50:18,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [24058007] [2024-11-07 06:50:18,762 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [24058007] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 06:50:18,762 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 06:50:18,762 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 06:50:18,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2115691145] [2024-11-07 06:50:18,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 06:50:18,763 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 06:50:18,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-07 06:50:18,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 06:50:18,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 06:50:18,764 INFO L87 Difference]: Start difference. First operand 75 states and 114 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 2 states have internal predecessors, (42), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-07 06:50:23,352 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.37s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-07 06:50:27,363 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-07 06:50:27,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 06:50:27,640 INFO L93 Difference]: Finished difference Result 217 states and 333 transitions. [2024-11-07 06:50:27,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 06:50:27,640 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 2 states have internal predecessors, (42), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 169 [2024-11-07 06:50:27,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 06:50:27,644 INFO L225 Difference]: With dead ends: 217 [2024-11-07 06:50:27,644 INFO L226 Difference]: Without dead ends: 145 [2024-11-07 06:50:27,645 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 06:50:27,645 INFO L432 NwaCegarLoop]: 131 mSDtfsCounter, 29 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 7 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 231 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.9s IncrementalHoareTripleChecker+Time [2024-11-07 06:50:27,646 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 231 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 9 Invalid, 2 Unknown, 0 Unchecked, 8.9s Time] [2024-11-07 06:50:27,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2024-11-07 06:50:27,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 143. [2024-11-07 06:50:27,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 88 states have (on average 1.2840909090909092) internal successors, (113), 88 states have internal predecessors, (113), 52 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-07 06:50:27,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 217 transitions. [2024-11-07 06:50:27,668 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 217 transitions. Word has length 169 [2024-11-07 06:50:27,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 06:50:27,669 INFO L471 AbstractCegarLoop]: Abstraction has 143 states and 217 transitions. [2024-11-07 06:50:27,669 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 2 states have internal predecessors, (42), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-07 06:50:27,669 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 217 transitions. [2024-11-07 06:50:27,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-11-07 06:50:27,670 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 06:50:27,671 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:50:27,698 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 06:50:27,871 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 06:50:27,871 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 06:50:27,872 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 06:50:27,872 INFO L85 PathProgramCache]: Analyzing trace with hash 1032338215, now seen corresponding path program 1 times [2024-11-07 06:50:27,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 06:50:27,872 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2011698785] [2024-11-07 06:50:27,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 06:50:27,873 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 06:50:27,873 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 06:50:27,875 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 06:50:27,876 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 06:50:28,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:50:28,720 INFO L255 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-07 06:50:28,726 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 06:50:34,633 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-07 06:50:34,634 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 06:50:34,634 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-07 06:50:34,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2011698785] [2024-11-07 06:50:34,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2011698785] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 06:50:34,637 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 06:50:34,637 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 06:50:34,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1220497409] [2024-11-07 06:50:34,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 06:50:34,637 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 06:50:34,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-07 06:50:34,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 06:50:34,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 06:50:34,639 INFO L87 Difference]: Start difference. First operand 143 states and 217 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-07 06:50:39,357 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.38s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-07 06:50:43,377 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-07 06:50:47,386 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-07 06:50:51,973 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.37s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-07 06:50:55,982 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-07 06:50:59,996 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-07 06:51:04,000 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-07 06:51:04,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 06:51:04,009 INFO L93 Difference]: Finished difference Result 470 states and 710 transitions. [2024-11-07 06:51:04,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 06:51:04,192 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 170 [2024-11-07 06:51:04,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 06:51:04,196 INFO L225 Difference]: With dead ends: 470 [2024-11-07 06:51:04,196 INFO L226 Difference]: Without dead ends: 330 [2024-11-07 06:51:04,197 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-07 06:51:04,197 INFO L432 NwaCegarLoop]: 136 mSDtfsCounter, 102 mSDsluCounter, 225 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 57 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 361 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.2s IncrementalHoareTripleChecker+Time [2024-11-07 06:51:04,197 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 361 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 8 Invalid, 7 Unknown, 0 Unchecked, 29.2s Time] [2024-11-07 06:51:04,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2024-11-07 06:51:04,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 281. [2024-11-07 06:51:04,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 281 states, 172 states have (on average 1.2674418604651163) internal successors, (218), 172 states have internal predecessors, (218), 104 states have call successors, (104), 4 states have call predecessors, (104), 4 states have return successors, (104), 104 states have call predecessors, (104), 104 states have call successors, (104) [2024-11-07 06:51:04,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 426 transitions. [2024-11-07 06:51:04,245 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 426 transitions. Word has length 170 [2024-11-07 06:51:04,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 06:51:04,245 INFO L471 AbstractCegarLoop]: Abstraction has 281 states and 426 transitions. [2024-11-07 06:51:04,245 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-07 06:51:04,245 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 426 transitions. [2024-11-07 06:51:04,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-11-07 06:51:04,247 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 06:51:04,247 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:51:04,275 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 06:51:04,447 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 06:51:04,448 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 06:51:04,448 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 06:51:04,448 INFO L85 PathProgramCache]: Analyzing trace with hash -565585049, now seen corresponding path program 1 times [2024-11-07 06:51:04,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 06:51:04,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1271599036] [2024-11-07 06:51:04,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 06:51:04,449 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 06:51:04,449 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 06:51:04,453 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 06:51:04,454 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 06:51:05,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:51:05,292 INFO L255 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-07 06:51:05,295 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 06:51:05,691 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-07 06:51:05,691 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 06:51:05,691 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-07 06:51:05,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1271599036] [2024-11-07 06:51:05,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1271599036] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 06:51:05,692 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 06:51:05,692 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 06:51:05,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506529725] [2024-11-07 06:51:05,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 06:51:05,692 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 06:51:05,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-07 06:51:05,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 06:51:05,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 06:51:05,693 INFO L87 Difference]: Start difference. First operand 281 states and 426 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-07 06:51:07,703 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-07 06:51:12,201 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.50s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-07 06:51:16,689 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.49s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-07 06:51:21,272 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.37s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-07 06:51:25,290 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-07 06:51:25,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 06:51:25,602 INFO L93 Difference]: Finished difference Result 819 states and 1242 transitions. [2024-11-07 06:51:25,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 06:51:25,607 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 170 [2024-11-07 06:51:25,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 06:51:25,614 INFO L225 Difference]: With dead ends: 819 [2024-11-07 06:51:25,614 INFO L226 Difference]: Without dead ends: 541 [2024-11-07 06:51:25,615 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 06:51:25,616 INFO L432 NwaCegarLoop]: 195 mSDtfsCounter, 102 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 299 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.9s IncrementalHoareTripleChecker+Time [2024-11-07 06:51:25,616 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 299 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 4 Unknown, 0 Unchecked, 19.9s Time] [2024-11-07 06:51:25,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 541 states. [2024-11-07 06:51:25,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 541 to 285. [2024-11-07 06:51:25,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 285 states, 176 states have (on average 1.2613636363636365) internal successors, (222), 176 states have internal predecessors, (222), 104 states have call successors, (104), 4 states have call predecessors, (104), 4 states have return successors, (104), 104 states have call predecessors, (104), 104 states have call successors, (104) [2024-11-07 06:51:25,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 430 transitions. [2024-11-07 06:51:25,664 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 430 transitions. Word has length 170 [2024-11-07 06:51:25,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 06:51:25,664 INFO L471 AbstractCegarLoop]: Abstraction has 285 states and 430 transitions. [2024-11-07 06:51:25,665 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-07 06:51:25,665 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 430 transitions. [2024-11-07 06:51:25,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-11-07 06:51:25,668 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 06:51:25,668 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:51:25,696 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 (5)] Ended with exit code 0 [2024-11-07 06:51:25,868 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /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 06:51:25,869 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 06:51:25,869 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 06:51:25,869 INFO L85 PathProgramCache]: Analyzing trace with hash -958612059, now seen corresponding path program 1 times [2024-11-07 06:51:25,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 06:51:25,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [111946583] [2024-11-07 06:51:25,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 06:51:25,870 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 06:51:25,870 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 06:51:25,872 INFO L229 MonitoredProcess]: Starting monitored process 6 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 06:51:25,873 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 (6)] Waiting until timeout for monitored process [2024-11-07 06:51:26,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 06:51:26,709 INFO L255 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-07 06:51:26,714 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 06:51:30,776 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 663 proven. 42 refuted. 0 times theorem prover too weak. 595 trivial. 0 not checked. [2024-11-07 06:51:30,777 INFO L311 TraceCheckSpWp]: Computing backward predicates...