./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-95.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_floatingpointinfluence_no-floats_file-95.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', '71fe371b3648f25840026374af24a61fcda8c56564401f21f9e8d01fae27caed'] 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_floatingpointinfluence_no-floats_file-95.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 71fe371b3648f25840026374af24a61fcda8c56564401f21f9e8d01fae27caed --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 07:53:51,804 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 07:53:51,913 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-07 07:53:51,918 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 07:53:51,919 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 07:53:51,948 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 07:53:51,950 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 07:53:51,950 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 07:53:51,950 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 07:53:51,951 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 07:53:51,951 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 07:53:51,952 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 07:53:51,952 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 07:53:51,952 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 07:53:51,952 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 07:53:51,952 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 07:53:51,953 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 07:53:51,953 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 07:53:51,953 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 07:53:51,953 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 07:53:51,953 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 07:53:51,953 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 07:53:51,953 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 07:53:51,954 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 07:53:51,954 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 07:53:51,954 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 07:53:51,954 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 07:53:51,954 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 07:53:51,954 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 07:53:51,954 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 07:53:51,955 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 07:53:51,955 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 07:53:51,955 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 07:53:51,955 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 07:53:51,955 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 07:53:51,955 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 07:53:51,956 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 07:53:51,956 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 07:53:51,956 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 07:53:51,956 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 07:53:51,956 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 07:53:51,957 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 07:53:51,957 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 -> 71fe371b3648f25840026374af24a61fcda8c56564401f21f9e8d01fae27caed [2024-11-07 07:53:52,248 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 07:53:52,256 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 07:53:52,258 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 07:53:52,259 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 07:53:52,259 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 07:53:52,260 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-95.i [2024-11-07 07:53:53,491 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 07:53:53,784 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 07:53:53,784 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-95.i [2024-11-07 07:53:53,794 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/2cc34ea20/7db21f21ce164adcbd371ea91fbc70c0/FLAGfd7de6698 [2024-11-07 07:53:54,078 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/2cc34ea20/7db21f21ce164adcbd371ea91fbc70c0 [2024-11-07 07:53:54,080 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 07:53:54,082 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 07:53:54,085 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 07:53:54,085 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 07:53:54,089 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 07:53:54,089 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:53:54" (1/1) ... [2024-11-07 07:53:54,090 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3dfbf6dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:53:54, skipping insertion in model container [2024-11-07 07:53:54,092 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:53:54" (1/1) ... [2024-11-07 07:53:54,109 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 07:53:54,232 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_floatingpointinfluence_no-floats_file-95.i[916,929] [2024-11-07 07:53:54,272 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 07:53:54,282 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 07:53:54,293 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_floatingpointinfluence_no-floats_file-95.i[916,929] [2024-11-07 07:53:54,318 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 07:53:54,333 INFO L204 MainTranslator]: Completed translation [2024-11-07 07:53:54,334 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:53:54 WrapperNode [2024-11-07 07:53:54,334 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 07:53:54,335 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 07:53:54,336 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 07:53:54,337 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 07:53:54,343 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:53:54" (1/1) ... [2024-11-07 07:53:54,351 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:53:54" (1/1) ... [2024-11-07 07:53:54,403 INFO L138 Inliner]: procedures = 26, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 152 [2024-11-07 07:53:54,404 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 07:53:54,404 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 07:53:54,404 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 07:53:54,404 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 07:53:54,415 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:53:54" (1/1) ... [2024-11-07 07:53:54,416 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:53:54" (1/1) ... [2024-11-07 07:53:54,421 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:53:54" (1/1) ... [2024-11-07 07:53:54,443 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 07:53:54,445 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:53:54" (1/1) ... [2024-11-07 07:53:54,446 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:53:54" (1/1) ... [2024-11-07 07:53:54,456 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:53:54" (1/1) ... [2024-11-07 07:53:54,463 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:53:54" (1/1) ... [2024-11-07 07:53:54,469 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:53:54" (1/1) ... [2024-11-07 07:53:54,470 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:53:54" (1/1) ... [2024-11-07 07:53:54,475 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 07:53:54,476 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 07:53:54,480 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 07:53:54,480 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 07:53:54,481 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:53:54" (1/1) ... [2024-11-07 07:53:54,487 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 07:53:54,499 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 07:53:54,512 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 07:53:54,519 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 07:53:54,540 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 07:53:54,541 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 07:53:54,542 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 07:53:54,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 07:53:54,542 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 07:53:54,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 07:53:54,619 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 07:53:54,621 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 07:53:54,993 INFO L? ?]: Removed 15 outVars from TransFormulas that were not future-live. [2024-11-07 07:53:54,994 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 07:53:55,002 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 07:53:55,003 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-07 07:53:55,003 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:53:55 BoogieIcfgContainer [2024-11-07 07:53:55,004 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 07:53:55,006 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 07:53:55,006 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 07:53:55,010 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 07:53:55,010 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 07:53:54" (1/3) ... [2024-11-07 07:53:55,010 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78124d3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 07:53:55, skipping insertion in model container [2024-11-07 07:53:55,010 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:53:54" (2/3) ... [2024-11-07 07:53:55,011 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78124d3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 07:53:55, skipping insertion in model container [2024-11-07 07:53:55,011 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:53:55" (3/3) ... [2024-11-07 07:53:55,012 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-95.i [2024-11-07 07:53:55,026 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 07:53:55,027 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-07 07:53:55,086 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 07:53:55,095 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;@6102df8f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 07:53:55,095 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-07 07:53:55,099 INFO L276 IsEmpty]: Start isEmpty. Operand has 67 states, 45 states have (on average 1.3555555555555556) internal successors, (61), 46 states have internal predecessors, (61), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-07 07:53:55,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-07 07:53:55,108 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 07:53:55,109 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 07:53:55,109 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 07:53:55,113 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 07:53:55,114 INFO L85 PathProgramCache]: Analyzing trace with hash 360092605, now seen corresponding path program 1 times [2024-11-07 07:53:55,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 07:53:55,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269995759] [2024-11-07 07:53:55,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 07:53:55,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 07:53:55,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:53:55,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 07:53:55,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:53:55,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 07:53:55,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:53:55,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 07:53:55,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:53:55,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 07:53:55,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:53:55,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 07:53:55,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:53:55,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 07:53:55,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:53:55,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 07:53:55,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:53:55,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 07:53:55,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:53:55,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 07:53:55,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:53:55,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 07:53:55,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:53:55,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 07:53:55,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:53:55,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 07:53:55,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:53:55,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 07:53:55,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:53:55,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 07:53:55,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:53:55,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 07:53:55,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:53:55,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 07:53:55,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:53:55,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-07 07:53:55,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:53:55,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 07:53:55,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:53:55,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-07 07:53:55,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:53:55,426 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-07 07:53:55,427 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 07:53:55,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1269995759] [2024-11-07 07:53:55,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1269995759] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 07:53:55,431 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 07:53:55,431 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 07:53:55,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1480562696] [2024-11-07 07:53:55,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 07:53:55,437 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-07 07:53:55,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 07:53:55,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-07 07:53:55,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-07 07:53:55,459 INFO L87 Difference]: Start difference. First operand has 67 states, 45 states have (on average 1.3555555555555556) internal successors, (61), 46 states have internal predecessors, (61), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-07 07:53:55,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 07:53:55,478 INFO L93 Difference]: Finished difference Result 127 states and 211 transitions. [2024-11-07 07:53:55,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-07 07:53:55,480 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) Word has length 122 [2024-11-07 07:53:55,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 07:53:55,486 INFO L225 Difference]: With dead ends: 127 [2024-11-07 07:53:55,486 INFO L226 Difference]: Without dead ends: 63 [2024-11-07 07:53:55,489 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-07 07:53:55,493 INFO L432 NwaCegarLoop]: 92 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, 92 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 07:53:55,494 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 07:53:55,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2024-11-07 07:53:55,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2024-11-07 07:53:55,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 42 states have (on average 1.2857142857142858) internal successors, (54), 42 states have internal predecessors, (54), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-07 07:53:55,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 92 transitions. [2024-11-07 07:53:55,537 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 92 transitions. Word has length 122 [2024-11-07 07:53:55,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 07:53:55,537 INFO L471 AbstractCegarLoop]: Abstraction has 63 states and 92 transitions. [2024-11-07 07:53:55,538 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-07 07:53:55,538 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 92 transitions. [2024-11-07 07:53:55,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-07 07:53:55,540 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 07:53:55,541 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 07:53:55,541 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 07:53:55,541 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 07:53:55,542 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 07:53:55,542 INFO L85 PathProgramCache]: Analyzing trace with hash 1432269755, now seen corresponding path program 1 times [2024-11-07 07:53:55,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 07:53:55,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1455608748] [2024-11-07 07:53:55,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 07:53:55,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 07:53:55,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:53:55,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 07:53:55,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:53:55,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 07:53:55,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:53:55,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 07:53:55,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:53:55,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 07:53:55,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:53:55,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 07:53:55,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:53:55,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 07:53:55,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:53:55,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 07:53:55,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:53:55,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 07:53:55,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:53:55,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 07:53:55,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:53:55,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 07:53:55,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:53:55,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 07:53:55,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:53:56,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 07:53:56,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:53:56,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 07:53:56,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:53:56,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 07:53:56,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:53:56,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 07:53:56,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:53:56,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 07:53:56,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:53:56,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-07 07:53:56,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:53:56,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 07:53:56,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:53:56,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-07 07:53:56,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:53:56,029 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-07 07:53:56,030 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 07:53:56,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1455608748] [2024-11-07 07:53:56,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1455608748] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 07:53:56,030 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 07:53:56,031 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 07:53:56,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098008937] [2024-11-07 07:53:56,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 07:53:56,032 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 07:53:56,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 07:53:56,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 07:53:56,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 07:53:56,035 INFO L87 Difference]: Start difference. First operand 63 states and 92 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-07 07:53:56,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 07:53:56,069 INFO L93 Difference]: Finished difference Result 124 states and 183 transitions. [2024-11-07 07:53:56,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 07:53:56,071 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 122 [2024-11-07 07:53:56,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 07:53:56,074 INFO L225 Difference]: With dead ends: 124 [2024-11-07 07:53:56,075 INFO L226 Difference]: Without dead ends: 64 [2024-11-07 07:53:56,076 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 40 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 07:53:56,076 INFO L432 NwaCegarLoop]: 91 mSDtfsCounter, 0 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 177 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 07:53:56,078 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 177 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 07:53:56,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2024-11-07 07:53:56,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2024-11-07 07:53:56,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 43 states have (on average 1.2790697674418605) internal successors, (55), 43 states have internal predecessors, (55), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-07 07:53:56,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 93 transitions. [2024-11-07 07:53:56,094 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 93 transitions. Word has length 122 [2024-11-07 07:53:56,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 07:53:56,095 INFO L471 AbstractCegarLoop]: Abstraction has 64 states and 93 transitions. [2024-11-07 07:53:56,095 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-07 07:53:56,095 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 93 transitions. [2024-11-07 07:53:56,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-07 07:53:56,099 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 07:53:56,099 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 07:53:56,099 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 07:53:56,100 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 07:53:56,100 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 07:53:56,100 INFO L85 PathProgramCache]: Analyzing trace with hash 1217660633, now seen corresponding path program 1 times [2024-11-07 07:53:56,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 07:53:56,101 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [931760111] [2024-11-07 07:53:56,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 07:53:56,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 07:53:56,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 07:53:56,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [182302587] [2024-11-07 07:53:56,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 07:53:56,195 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 07:53:56,196 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 07:53:56,198 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 07:53:56,200 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 07:53:56,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 07:53:56,359 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-07 07:53:56,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 07:53:56,493 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-07 07:53:56,493 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-07 07:53:56,494 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-07 07:53:56,515 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 07:53:56,696 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 07:53:56,700 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-07 07:53:56,782 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-07 07:53:56,785 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 07:53:56 BoogieIcfgContainer [2024-11-07 07:53:56,786 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-07 07:53:56,786 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-07 07:53:56,786 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-07 07:53:56,787 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-07 07:53:56,788 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:53:55" (3/4) ... [2024-11-07 07:53:56,789 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-07 07:53:56,790 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-07 07:53:56,791 INFO L158 Benchmark]: Toolchain (without parser) took 2708.61ms. Allocated memory is still 100.7MB. Free memory was 76.8MB in the beginning and 45.6MB in the end (delta: 31.1MB). Peak memory consumption was 31.2MB. Max. memory is 16.1GB. [2024-11-07 07:53:56,791 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 83.9MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 07:53:56,792 INFO L158 Benchmark]: CACSL2BoogieTranslator took 249.79ms. Allocated memory is still 100.7MB. Free memory was 76.6MB in the beginning and 63.6MB in the end (delta: 13.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-07 07:53:56,792 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.51ms. Allocated memory is still 100.7MB. Free memory was 63.6MB in the beginning and 60.6MB in the end (delta: 3.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-07 07:53:56,792 INFO L158 Benchmark]: Boogie Preprocessor took 71.16ms. Allocated memory is still 100.7MB. Free memory was 60.6MB in the beginning and 56.4MB in the end (delta: 4.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 07:53:56,793 INFO L158 Benchmark]: RCFGBuilder took 527.42ms. Allocated memory is still 100.7MB. Free memory was 56.2MB in the beginning and 75.2MB in the end (delta: -19.0MB). Peak memory consumption was 28.9MB. Max. memory is 16.1GB. [2024-11-07 07:53:56,793 INFO L158 Benchmark]: TraceAbstraction took 1780.14ms. Allocated memory is still 100.7MB. Free memory was 74.3MB in the beginning and 46.3MB in the end (delta: 28.0MB). Peak memory consumption was 27.4MB. Max. memory is 16.1GB. [2024-11-07 07:53:56,794 INFO L158 Benchmark]: Witness Printer took 3.71ms. Allocated memory is still 100.7MB. Free memory was 45.7MB in the beginning and 45.6MB in the end (delta: 9.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 07:53:56,795 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 83.9MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 249.79ms. Allocated memory is still 100.7MB. Free memory was 76.6MB in the beginning and 63.6MB in the end (delta: 13.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.51ms. Allocated memory is still 100.7MB. Free memory was 63.6MB in the beginning and 60.6MB in the end (delta: 3.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 71.16ms. Allocated memory is still 100.7MB. Free memory was 60.6MB in the beginning and 56.4MB in the end (delta: 4.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 527.42ms. Allocated memory is still 100.7MB. Free memory was 56.2MB in the beginning and 75.2MB in the end (delta: -19.0MB). Peak memory consumption was 28.9MB. Max. memory is 16.1GB. * TraceAbstraction took 1780.14ms. Allocated memory is still 100.7MB. Free memory was 74.3MB in the beginning and 46.3MB in the end (delta: 28.0MB). Peak memory consumption was 27.4MB. Max. memory is 16.1GB. * Witness Printer took 3.71ms. Allocated memory is still 100.7MB. Free memory was 45.7MB in the beginning and 45.6MB in the end (delta: 9.8kB). 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 to_int at line 91. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = -64; [L23] signed long int var_1_3 = 1; [L24] signed long int var_1_4 = 8; [L25] signed long int var_1_5 = 255; [L26] signed long int var_1_6 = 50; [L27] unsigned char var_1_7 = 0; [L28] unsigned long int var_1_8 = 8; [L29] unsigned char var_1_10 = 32; [L30] unsigned char var_1_11 = 5; [L31] unsigned char var_1_12 = 2; [L32] signed short int var_1_13 = 0; [L33] unsigned long int var_1_14 = 16; [L34] signed char var_1_16 = -1; [L35] signed char var_1_17 = -16; [L36] unsigned char last_1_var_1_7 = 0; VAL [isInitial=0, last_1_var_1_7=0, var_1_10=32, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=1, var_1_4=8, var_1_5=255, var_1_6=50, var_1_7=0, var_1_8=8] [L95] isInitial = 1 [L96] FCALL initially() [L97] COND TRUE 1 [L98] CALL updateLastVariables() [L88] last_1_var_1_7 = var_1_7 VAL [isInitial=1, last_1_var_1_7=0, var_1_10=32, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=1, var_1_4=8, var_1_5=255, var_1_6=50, var_1_7=0, var_1_8=8] [L98] RET updateLastVariables() [L99] CALL updateVariables() [L58] var_1_4 = __VERIFIER_nondet_long() [L59] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=32, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=1, var_1_4=0, var_1_5=255, var_1_6=50, var_1_7=0, var_1_8=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=32, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=1, var_1_4=0, var_1_5=255, var_1_6=50, var_1_7=0, var_1_8=8] [L59] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_7=0, var_1_10=32, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=1, var_1_4=0, var_1_5=255, var_1_6=50, var_1_7=0, var_1_8=8] [L60] CALL assume_abort_if_not(var_1_4 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=32, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=1, var_1_4=0, var_1_5=255, var_1_6=50, var_1_7=0, var_1_8=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=32, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=1, var_1_4=0, var_1_5=255, var_1_6=50, var_1_7=0, var_1_8=8] [L60] RET assume_abort_if_not(var_1_4 <= 2147483647) VAL [isInitial=1, last_1_var_1_7=0, var_1_10=32, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=1, var_1_4=0, var_1_5=255, var_1_6=50, var_1_7=0, var_1_8=8] [L61] var_1_5 = __VERIFIER_nondet_long() [L62] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=32, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=50, var_1_7=0, var_1_8=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=32, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=50, var_1_7=0, var_1_8=8] [L62] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_7=0, var_1_10=32, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=50, var_1_7=0, var_1_8=8] [L63] CALL assume_abort_if_not(var_1_5 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=32, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=50, var_1_7=0, var_1_8=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=32, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=50, var_1_7=0, var_1_8=8] [L63] RET assume_abort_if_not(var_1_5 <= 2147483647) VAL [isInitial=1, last_1_var_1_7=0, var_1_10=32, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=50, var_1_7=0, var_1_8=8] [L64] var_1_6 = __VERIFIER_nondet_long() [L65] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=32, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=32, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=8] [L65] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_7=0, var_1_10=32, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=8] [L66] CALL assume_abort_if_not(var_1_6 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=32, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=32, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=8] [L66] RET assume_abort_if_not(var_1_6 <= 2147483647) VAL [isInitial=1, last_1_var_1_7=0, var_1_10=32, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=8] [L67] var_1_8 = __VERIFIER_nondet_ulong() [L68] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=32, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=32, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0] [L68] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_7=0, var_1_10=32, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0] [L69] CALL assume_abort_if_not(var_1_8 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=32, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=4294967296] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=32, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=4294967296] [L69] RET assume_abort_if_not(var_1_8 <= 2147483647) VAL [isInitial=1, last_1_var_1_7=0, var_1_10=32, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=4294967296] [L70] var_1_10 = __VERIFIER_nondet_uchar() [L71] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=4294967296] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=4294967296] [L71] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, last_1_var_1_7=0, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=4294967296] [L72] CALL assume_abort_if_not(var_1_10 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=-255, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=4294967296] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=-255, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=4294967296] [L72] RET assume_abort_if_not(var_1_10 <= 127) VAL [isInitial=1, last_1_var_1_7=0, var_1_10=-255, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=4294967296] [L73] var_1_11 = __VERIFIER_nondet_uchar() [L74] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=-255, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=4294967296] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=-255, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=4294967296] [L74] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_7=0, var_1_10=-255, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=4294967296] [L75] CALL assume_abort_if_not(var_1_11 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=-255, var_1_11=256, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=4294967296] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=-255, var_1_11=256, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=4294967296] [L75] RET assume_abort_if_not(var_1_11 <= 127) VAL [isInitial=1, last_1_var_1_7=0, var_1_10=-255, var_1_11=256, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=4294967296] [L76] var_1_12 = __VERIFIER_nondet_uchar() [L77] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=-255, var_1_11=256, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=4294967296] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=-255, var_1_11=256, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=4294967296] [L77] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_7=0, var_1_10=-255, var_1_11=256, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=4294967296] [L78] CALL assume_abort_if_not(var_1_12 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=-255, var_1_11=256, var_1_12=0, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=4294967296] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=-255, var_1_11=256, var_1_12=0, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=4294967296] [L78] RET assume_abort_if_not(var_1_12 <= 127) VAL [isInitial=1, last_1_var_1_7=0, var_1_10=-255, var_1_11=256, var_1_12=0, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=4294967296] [L79] var_1_14 = __VERIFIER_nondet_ulong() [L80] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=-255, var_1_11=256, var_1_12=0, var_1_13=0, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=4294967296] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=-255, var_1_11=256, var_1_12=0, var_1_13=0, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=4294967296] [L80] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_7=0, var_1_10=-255, var_1_11=256, var_1_12=0, var_1_13=0, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=4294967296] [L81] CALL assume_abort_if_not(var_1_14 <= 4294967295) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=-255, var_1_11=256, var_1_12=0, var_1_13=0, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=4294967296] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=-255, var_1_11=256, var_1_12=0, var_1_13=0, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=4294967296] [L81] RET assume_abort_if_not(var_1_14 <= 4294967295) VAL [isInitial=1, last_1_var_1_7=0, var_1_10=-255, var_1_11=256, var_1_12=0, var_1_13=0, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=4294967296] [L82] CALL assume_abort_if_not(var_1_14 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=-255, var_1_11=256, var_1_12=0, var_1_13=0, var_1_14=-4294967295, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=4294967296] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=-255, var_1_11=256, var_1_12=0, var_1_13=0, var_1_14=-4294967295, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=4294967296] [L82] RET assume_abort_if_not(var_1_14 != 0) VAL [isInitial=1, last_1_var_1_7=0, var_1_10=-255, var_1_11=256, var_1_12=0, var_1_13=0, var_1_14=-4294967295, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=4294967296] [L83] var_1_17 = __VERIFIER_nondet_char() [L84] CALL assume_abort_if_not(var_1_17 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=-255, var_1_11=256, var_1_12=0, var_1_13=0, var_1_14=-4294967295, var_1_16=-1, var_1_17=-1, var_1_1=-64, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=4294967296] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=-255, var_1_11=256, var_1_12=0, var_1_13=0, var_1_14=-4294967295, var_1_16=-1, var_1_17=-1, var_1_1=-64, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=4294967296] [L84] RET assume_abort_if_not(var_1_17 >= -127) VAL [isInitial=1, last_1_var_1_7=0, var_1_10=-255, var_1_11=256, var_1_12=0, var_1_13=0, var_1_14=-4294967295, var_1_16=-1, var_1_17=-1, var_1_1=-64, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=4294967296] [L85] CALL assume_abort_if_not(var_1_17 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=-255, var_1_11=256, var_1_12=0, var_1_13=0, var_1_14=-4294967295, var_1_16=-1, var_1_17=-1, var_1_1=-64, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=4294967296] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=-255, var_1_11=256, var_1_12=0, var_1_13=0, var_1_14=-4294967295, var_1_16=-1, var_1_17=-1, var_1_1=-64, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=4294967296] [L85] RET assume_abort_if_not(var_1_17 <= 126) VAL [isInitial=1, last_1_var_1_7=0, var_1_10=-255, var_1_11=256, var_1_12=0, var_1_13=0, var_1_14=-4294967295, var_1_16=-1, var_1_17=-1, var_1_1=-64, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=4294967296] [L99] RET updateVariables() [L100] CALL step() [L40] var_1_1 = ((((last_1_var_1_7) < 0 ) ? -(last_1_var_1_7) : (last_1_var_1_7))) [L41] var_1_3 = ((var_1_4 - var_1_5) + ((((256.5f) < ((var_1_6 - 16.125f))) ? (256.5f) : ((var_1_6 - 16.125f))))) [L42] var_1_16 = var_1_17 VAL [isInitial=1, last_1_var_1_7=0, var_1_10=-255, var_1_11=256, var_1_12=0, var_1_13=0, var_1_14=-4294967295, var_1_16=-1, var_1_17=-1, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=4294967296] [L43] EXPR var_1_16 & var_1_1 VAL [isInitial=1, last_1_var_1_7=0, var_1_10=-255, var_1_11=256, var_1_12=0, var_1_13=0, var_1_14=-4294967295, var_1_16=-1, var_1_17=-1, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=4294967296] [L43] signed long int stepLocal_0 = var_1_16 & var_1_1; [L44] COND TRUE (- (3351680781u - var_1_8)) > stepLocal_0 [L45] var_1_7 = (((((var_1_10) < (((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11))))) ? (var_1_10) : (((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11)))))) + var_1_12) VAL [isInitial=1, last_1_var_1_7=0, var_1_10=-255, var_1_11=256, var_1_12=0, var_1_13=0, var_1_14=-4294967295, var_1_16=-1, var_1_17=-1, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=4294967296] [L47] EXPR var_1_7 >> var_1_7 VAL [isInitial=1, last_1_var_1_7=0, var_1_10=-255, var_1_11=256, var_1_12=0, var_1_13=0, var_1_14=-4294967295, var_1_16=-1, var_1_17=-1, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=4294967296] [L47] COND FALSE !((var_1_16 / var_1_14) < (var_1_7 >> var_1_7)) [L50] COND FALSE !(var_1_16 >= var_1_1) [L53] var_1_13 = 256 VAL [isInitial=1, last_1_var_1_7=0, var_1_10=-255, var_1_11=256, var_1_12=0, var_1_13=256, var_1_14=-4294967295, var_1_16=-1, var_1_17=-1, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=4294967296] [L100] RET step() [L101] CALL, EXPR property() [L91] EXPR ((var_1_1 == ((signed long int) ((((last_1_var_1_7) < 0 ) ? -(last_1_var_1_7) : (last_1_var_1_7))))) && (var_1_3 == ((signed long int) ((var_1_4 - var_1_5) + ((((256.5f) < ((var_1_6 - 16.125f))) ? (256.5f) : ((var_1_6 - 16.125f)))))))) && (((- (3351680781u - var_1_8)) > (var_1_16 & var_1_1)) ? (var_1_7 == ((unsigned char) (((((var_1_10) < (((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11))))) ? (var_1_10) : (((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11)))))) + var_1_12))) : 1) VAL [isInitial=1, last_1_var_1_7=0, var_1_10=-255, var_1_11=256, var_1_12=0, var_1_13=256, var_1_14=-4294967295, var_1_16=-1, var_1_17=-1, var_1_1=0, var_1_3=23, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=4294967296] [L91] EXPR (((var_1_1 == ((signed long int) ((((last_1_var_1_7) < 0 ) ? -(last_1_var_1_7) : (last_1_var_1_7))))) && (var_1_3 == ((signed long int) ((var_1_4 - var_1_5) + ((((256.5f) < ((var_1_6 - 16.125f))) ? (256.5f) : ((var_1_6 - 16.125f)))))))) && (((- (3351680781u - var_1_8)) > (var_1_16 & var_1_1)) ? (var_1_7 == ((unsigned char) (((((var_1_10) < (((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11))))) ? (var_1_10) : (((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11)))))) + var_1_12))) : 1)) && (((var_1_16 / var_1_14) < (var_1_7 >> var_1_7)) ? (var_1_13 == ((signed short int) ((((4 - var_1_11) < 0 ) ? -(4 - var_1_11) : (4 - var_1_11))))) : ((var_1_16 >= var_1_1) ? (var_1_13 == ((signed short int) (-5 + (var_1_12 - var_1_11)))) : (var_1_13 == ((signed short int) 256)))) VAL [isInitial=1, last_1_var_1_7=0, var_1_10=-255, var_1_11=256, var_1_12=0, var_1_13=256, var_1_14=-4294967295, var_1_16=-1, var_1_17=-1, var_1_1=0, var_1_3=23, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=4294967296] [L91-L92] return ((((var_1_1 == ((signed long int) ((((last_1_var_1_7) < 0 ) ? -(last_1_var_1_7) : (last_1_var_1_7))))) && (var_1_3 == ((signed long int) ((var_1_4 - var_1_5) + ((((256.5f) < ((var_1_6 - 16.125f))) ? (256.5f) : ((var_1_6 - 16.125f)))))))) && (((- (3351680781u - var_1_8)) > (var_1_16 & var_1_1)) ? (var_1_7 == ((unsigned char) (((((var_1_10) < (((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11))))) ? (var_1_10) : (((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11)))))) + var_1_12))) : 1)) && (((var_1_16 / var_1_14) < (var_1_7 >> var_1_7)) ? (var_1_13 == ((signed short int) ((((4 - var_1_11) < 0 ) ? -(4 - var_1_11) : (4 - var_1_11))))) : ((var_1_16 >= var_1_1) ? (var_1_13 == ((signed short int) (-5 + (var_1_12 - var_1_11)))) : (var_1_13 == ((signed short int) 256))))) && (var_1_16 == ((signed char) var_1_17)) ; [L101] RET, EXPR property() [L101] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_7=0, var_1_10=-255, var_1_11=256, var_1_12=0, var_1_13=256, var_1_14=-4294967295, var_1_16=-1, var_1_17=-1, var_1_1=0, var_1_3=23, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=4294967296] [L19] reach_error() VAL [isInitial=1, last_1_var_1_7=0, var_1_10=-255, var_1_11=256, var_1_12=0, var_1_13=256, var_1_14=-4294967295, var_1_16=-1, var_1_17=-1, var_1_1=0, var_1_3=23, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=4294967296] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 67 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 3, TraceHistogramMax: 19, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 269 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 86 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 183 mSDtfsCounter, 6 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 100 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=67occurred in iteration=0, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 490 NumberOfCodeBlocks, 490 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 242 ConstructedInterpolants, 0 QuantifiedInterpolants, 250 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 1368/1368 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 07:53:56,817 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_floatingpointinfluence_no-floats_file-95.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 71fe371b3648f25840026374af24a61fcda8c56564401f21f9e8d01fae27caed --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 07:53:58,964 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 07:53:59,077 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-07 07:53:59,086 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 07:53:59,086 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 07:53:59,114 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 07:53:59,115 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 07:53:59,115 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 07:53:59,115 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 07:53:59,115 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 07:53:59,115 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 07:53:59,116 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 07:53:59,116 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 07:53:59,116 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 07:53:59,116 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 07:53:59,116 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 07:53:59,116 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 07:53:59,116 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 07:53:59,116 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 07:53:59,116 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 07:53:59,117 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 07:53:59,117 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 07:53:59,117 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 07:53:59,117 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-07 07:53:59,117 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-07 07:53:59,117 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 07:53:59,119 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-07 07:53:59,119 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 07:53:59,119 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 07:53:59,119 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 07:53:59,119 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 07:53:59,119 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 07:53:59,120 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 07:53:59,120 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 07:53:59,120 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 07:53:59,120 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 07:53:59,120 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 07:53:59,120 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 07:53:59,120 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-07 07:53:59,120 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-07 07:53:59,120 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 07:53:59,120 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 07:53:59,120 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 07:53:59,120 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 07:53:59,120 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 -> 71fe371b3648f25840026374af24a61fcda8c56564401f21f9e8d01fae27caed [2024-11-07 07:53:59,425 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 07:53:59,433 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 07:53:59,437 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 07:53:59,438 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 07:53:59,438 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 07:53:59,439 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-95.i [2024-11-07 07:54:00,706 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 07:54:00,936 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 07:54:00,937 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-95.i [2024-11-07 07:54:00,948 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/08bde8752/c003aa8ad361426da430b370396f980a/FLAGcea297aec [2024-11-07 07:54:00,966 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/08bde8752/c003aa8ad361426da430b370396f980a [2024-11-07 07:54:00,972 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 07:54:00,974 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 07:54:00,975 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 07:54:00,975 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 07:54:00,979 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 07:54:00,980 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:54:00" (1/1) ... [2024-11-07 07:54:00,982 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71a39831 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:54:00, skipping insertion in model container [2024-11-07 07:54:00,982 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:54:00" (1/1) ... [2024-11-07 07:54:00,998 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 07:54:01,133 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_floatingpointinfluence_no-floats_file-95.i[916,929] [2024-11-07 07:54:01,177 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 07:54:01,188 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 07:54:01,196 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_floatingpointinfluence_no-floats_file-95.i[916,929] [2024-11-07 07:54:01,219 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 07:54:01,237 INFO L204 MainTranslator]: Completed translation [2024-11-07 07:54:01,237 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:54:01 WrapperNode [2024-11-07 07:54:01,238 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 07:54:01,239 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 07:54:01,239 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 07:54:01,239 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 07:54:01,245 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:54:01" (1/1) ... [2024-11-07 07:54:01,254 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:54:01" (1/1) ... [2024-11-07 07:54:01,272 INFO L138 Inliner]: procedures = 27, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 107 [2024-11-07 07:54:01,272 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 07:54:01,273 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 07:54:01,273 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 07:54:01,273 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 07:54:01,282 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:54:01" (1/1) ... [2024-11-07 07:54:01,283 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:54:01" (1/1) ... [2024-11-07 07:54:01,289 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:54:01" (1/1) ... [2024-11-07 07:54:01,299 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 07:54:01,299 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:54:01" (1/1) ... [2024-11-07 07:54:01,299 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:54:01" (1/1) ... [2024-11-07 07:54:01,308 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:54:01" (1/1) ... [2024-11-07 07:54:01,310 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:54:01" (1/1) ... [2024-11-07 07:54:01,312 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:54:01" (1/1) ... [2024-11-07 07:54:01,313 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:54:01" (1/1) ... [2024-11-07 07:54:01,316 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 07:54:01,317 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 07:54:01,317 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 07:54:01,317 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 07:54:01,321 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:54:01" (1/1) ... [2024-11-07 07:54:01,328 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 07:54:01,344 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 07:54:01,357 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 07:54:01,359 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 07:54:01,381 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 07:54:01,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-07 07:54:01,381 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 07:54:01,381 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 07:54:01,381 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 07:54:01,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 07:54:01,461 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 07:54:01,462 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 07:54:07,637 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-07 07:54:07,638 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 07:54:07,645 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 07:54:07,645 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-07 07:54:07,646 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:54:07 BoogieIcfgContainer [2024-11-07 07:54:07,646 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 07:54:07,649 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 07:54:07,649 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 07:54:07,654 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 07:54:07,654 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 07:54:00" (1/3) ... [2024-11-07 07:54:07,655 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d2073dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 07:54:07, skipping insertion in model container [2024-11-07 07:54:07,655 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:54:01" (2/3) ... [2024-11-07 07:54:07,655 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d2073dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 07:54:07, skipping insertion in model container [2024-11-07 07:54:07,655 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:54:07" (3/3) ... [2024-11-07 07:54:07,656 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-95.i [2024-11-07 07:54:07,669 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 07:54:07,670 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-07 07:54:07,716 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 07:54:07,729 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;@1bd14d47, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 07:54:07,729 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-07 07:54:07,733 INFO L276 IsEmpty]: Start isEmpty. Operand has 50 states, 28 states have (on average 1.2857142857142858) internal successors, (36), 29 states have internal predecessors, (36), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-07 07:54:07,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-07 07:54:07,763 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 07:54:07,764 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 07:54:07,764 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 07:54:07,770 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 07:54:07,770 INFO L85 PathProgramCache]: Analyzing trace with hash 311912880, now seen corresponding path program 1 times [2024-11-07 07:54:07,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 07:54:07,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [198308262] [2024-11-07 07:54:07,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 07:54:07,780 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 07:54:07,780 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 07:54:07,783 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 07:54:07,784 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 07:54:08,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:54:08,035 INFO L255 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-07 07:54:08,042 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 07:54:08,081 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 360 proven. 0 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2024-11-07 07:54:08,082 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 07:54:08,082 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-07 07:54:08,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [198308262] [2024-11-07 07:54:08,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [198308262] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 07:54:08,083 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 07:54:08,083 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 07:54:08,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427759362] [2024-11-07 07:54:08,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 07:54:08,087 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-07 07:54:08,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-07 07:54:08,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-07 07:54:08,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-07 07:54:08,106 INFO L87 Difference]: Start difference. First operand has 50 states, 28 states have (on average 1.2857142857142858) internal successors, (36), 29 states have internal predecessors, (36), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-07 07:54:08,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 07:54:08,132 INFO L93 Difference]: Finished difference Result 93 states and 161 transitions. [2024-11-07 07:54:08,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-07 07:54:08,134 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 115 [2024-11-07 07:54:08,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 07:54:08,139 INFO L225 Difference]: With dead ends: 93 [2024-11-07 07:54:08,139 INFO L226 Difference]: Without dead ends: 46 [2024-11-07 07:54:08,144 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 114 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 07:54:08,147 INFO L432 NwaCegarLoop]: 66 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, 66 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 07:54:08,149 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 07:54:08,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2024-11-07 07:54:08,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2024-11-07 07:54:08,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 25 states have (on average 1.12) internal successors, (28), 25 states have internal predecessors, (28), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-07 07:54:08,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 66 transitions. [2024-11-07 07:54:08,194 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 66 transitions. Word has length 115 [2024-11-07 07:54:08,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 07:54:08,194 INFO L471 AbstractCegarLoop]: Abstraction has 46 states and 66 transitions. [2024-11-07 07:54:08,195 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-07 07:54:08,195 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 66 transitions. [2024-11-07 07:54:08,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-07 07:54:08,199 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 07:54:08,199 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 07:54:08,212 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 07:54:08,400 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 07:54:08,400 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 07:54:08,401 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 07:54:08,401 INFO L85 PathProgramCache]: Analyzing trace with hash 470655502, now seen corresponding path program 1 times [2024-11-07 07:54:08,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 07:54:08,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1427896636] [2024-11-07 07:54:08,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 07:54:08,402 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 07:54:08,402 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 07:54:08,405 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 07:54:08,406 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 07:54:08,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:54:08,647 INFO L255 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-07 07:54:08,653 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 07:54:09,087 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 340 proven. 33 refuted. 0 times theorem prover too weak. 311 trivial. 0 not checked. [2024-11-07 07:54:09,088 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 07:54:09,284 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-07 07:54:09,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1427896636] [2024-11-07 07:54:09,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1427896636] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 07:54:09,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1935215220] [2024-11-07 07:54:09,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 07:54:09,286 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-07 07:54:09,286 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-07 07:54:09,291 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-07 07:54:09,292 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-07 07:54:09,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:54:09,592 INFO L255 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-07 07:54:09,601 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 07:54:10,401 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 340 proven. 33 refuted. 0 times theorem prover too weak. 311 trivial. 0 not checked. [2024-11-07 07:54:10,401 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 07:54:10,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1935215220] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 07:54:10,503 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-07 07:54:10,503 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7] total 12 [2024-11-07 07:54:10,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1771997911] [2024-11-07 07:54:10,504 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-07 07:54:10,504 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-07 07:54:10,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-07 07:54:10,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-07 07:54:10,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=163, Unknown=0, NotChecked=0, Total=210 [2024-11-07 07:54:10,506 INFO L87 Difference]: Start difference. First operand 46 states and 66 transitions. Second operand has 12 states, 12 states have (on average 4.5) internal successors, (54), 12 states have internal predecessors, (54), 4 states have call successors, (38), 4 states have call predecessors, (38), 6 states have return successors, (38), 4 states have call predecessors, (38), 4 states have call successors, (38) [2024-11-07 07:54:15,792 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-07 07:54:17,253 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-07 07:54:18,690 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-07 07:54:21,834 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.04s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-07 07:54:25,208 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.68s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-07 07:54:27,943 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.64s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-07 07:54:27,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 07:54:27,973 INFO L93 Difference]: Finished difference Result 149 states and 207 transitions. [2024-11-07 07:54:28,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-07 07:54:28,003 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.5) internal successors, (54), 12 states have internal predecessors, (54), 4 states have call successors, (38), 4 states have call predecessors, (38), 6 states have return successors, (38), 4 states have call predecessors, (38), 4 states have call successors, (38) Word has length 116 [2024-11-07 07:54:28,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 07:54:28,005 INFO L225 Difference]: With dead ends: 149 [2024-11-07 07:54:28,005 INFO L226 Difference]: Without dead ends: 106 [2024-11-07 07:54:28,008 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 264 GetRequests, 238 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 152 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=176, Invalid=580, Unknown=0, NotChecked=0, Total=756 [2024-11-07 07:54:28,009 INFO L432 NwaCegarLoop]: 41 mSDtfsCounter, 60 mSDsluCounter, 177 mSDsCounter, 0 mSdLazyCounter, 303 mSolverCounterSat, 70 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 218 SdHoareTripleChecker+Invalid, 374 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 303 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.9s IncrementalHoareTripleChecker+Time [2024-11-07 07:54:28,010 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 218 Invalid, 374 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 303 Invalid, 1 Unknown, 0 Unchecked, 16.9s Time] [2024-11-07 07:54:28,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2024-11-07 07:54:28,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 50. [2024-11-07 07:54:28,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 28 states have (on average 1.0714285714285714) internal successors, (30), 28 states have internal predecessors, (30), 19 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-07 07:54:28,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 68 transitions. [2024-11-07 07:54:28,029 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 68 transitions. Word has length 116 [2024-11-07 07:54:28,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 07:54:28,030 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 68 transitions. [2024-11-07 07:54:28,030 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.5) internal successors, (54), 12 states have internal predecessors, (54), 4 states have call successors, (38), 4 states have call predecessors, (38), 6 states have return successors, (38), 4 states have call predecessors, (38), 4 states have call successors, (38) [2024-11-07 07:54:28,030 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 68 transitions. [2024-11-07 07:54:28,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-07 07:54:28,033 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 07:54:28,034 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 07:54:28,046 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2024-11-07 07:54:28,240 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-11-07 07:54:28,434 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=3,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt [2024-11-07 07:54:28,435 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 07:54:28,435 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 07:54:28,435 INFO L85 PathProgramCache]: Analyzing trace with hash -1304351860, now seen corresponding path program 1 times [2024-11-07 07:54:28,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 07:54:28,436 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [93062732] [2024-11-07 07:54:28,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 07:54:28,436 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 07:54:28,436 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 07:54:28,439 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 07:54:28,441 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 07:54:28,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 07:54:28,648 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-07 07:54:28,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 07:54:28,844 ERROR L246 FreeRefinementEngine]: Caught known exception: Invalid model [2024-11-07 07:54:28,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1879701924] [2024-11-07 07:54:28,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 07:54:28,844 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-07 07:54:28,845 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-07 07:54:28,847 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-07 07:54:28,849 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-07 07:54:29,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:54:29,251 INFO L255 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-07 07:54:29,257 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 07:54:45,161 WARN L286 SmtUtils]: Spent 8.10s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-07 07:55:01,564 WARN L286 SmtUtils]: Spent 5.59s on a formula simplification that was a NOOP. DAG size: 16 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-07 07:55:08,701 WARN L286 SmtUtils]: Spent 7.14s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-07 07:55:16,375 WARN L286 SmtUtils]: Spent 7.67s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-07 07:55:21,899 WARN L286 SmtUtils]: Spent 5.52s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-07 07:55:25,925 WARN L851 $PredicateComparison]: unable to prove that (and (let ((.cse2 ((_ to_fp 8 24) c_currentRoundingMode (/ 513.0 2.0))) (.cse3 (fp.sub c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_6~0) ((_ to_fp 8 24) c_currentRoundingMode (/ 129.0 8.0))))) (let ((.cse0 (fp.lt .cse2 .cse3)) (.cse1 ((_ to_fp 8 24) c_currentRoundingMode (bvadd c_~var_1_4~0 (bvneg c_~var_1_5~0))))) (or (and .cse0 (= ((_ fp.to_sbv 32) roundTowardZero (fp.add c_currentRoundingMode .cse1 .cse2)) c_~var_1_3~0)) (and (not .cse0) (= ((_ fp.to_sbv 32) roundTowardZero (fp.add c_currentRoundingMode .cse1 .cse3)) c_~var_1_3~0))))) (= c_~var_1_16~0 c_~var_1_17~0) (= c_~var_1_1~0 ((_ zero_extend 24) c_~last_1_var_1_7~0)) (bvsle ((_ zero_extend 24) c_~var_1_12~0) (_ bv127 32)) (bvsle ((_ zero_extend 24) c_~var_1_11~0) (_ bv127 32)) (bvsle ((_ zero_extend 24) c_~var_1_10~0) (_ bv127 32))) is different from false [2024-11-07 07:55:29,948 WARN L873 $PredicateComparison]: unable to prove that (and (let ((.cse2 ((_ to_fp 8 24) c_currentRoundingMode (/ 513.0 2.0))) (.cse3 (fp.sub c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_6~0) ((_ to_fp 8 24) c_currentRoundingMode (/ 129.0 8.0))))) (let ((.cse0 (fp.lt .cse2 .cse3)) (.cse1 ((_ to_fp 8 24) c_currentRoundingMode (bvadd c_~var_1_4~0 (bvneg c_~var_1_5~0))))) (or (and .cse0 (= ((_ fp.to_sbv 32) roundTowardZero (fp.add c_currentRoundingMode .cse1 .cse2)) c_~var_1_3~0)) (and (not .cse0) (= ((_ fp.to_sbv 32) roundTowardZero (fp.add c_currentRoundingMode .cse1 .cse3)) c_~var_1_3~0))))) (= c_~var_1_16~0 c_~var_1_17~0) (= c_~var_1_1~0 ((_ zero_extend 24) c_~last_1_var_1_7~0)) (bvsle ((_ zero_extend 24) c_~var_1_12~0) (_ bv127 32)) (bvsle ((_ zero_extend 24) c_~var_1_11~0) (_ bv127 32)) (bvsle ((_ zero_extend 24) c_~var_1_10~0) (_ bv127 32))) is different from true