./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-9.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_operatoramount_amount10_file-9.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', '5105a9ac8fbead4327a3048bb26dd37319bc5d26c3f11dcff18c222fc5bc4641'] 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_operatoramount_amount10_file-9.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 5105a9ac8fbead4327a3048bb26dd37319bc5d26c3f11dcff18c222fc5bc4641 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 09:16:22,939 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 09:16:23,027 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-07 09:16:23,032 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 09:16:23,033 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 09:16:23,067 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 09:16:23,068 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 09:16:23,069 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 09:16:23,069 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 09:16:23,069 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 09:16:23,069 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 09:16:23,070 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 09:16:23,070 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 09:16:23,070 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 09:16:23,070 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 09:16:23,070 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 09:16:23,072 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 09:16:23,072 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 09:16:23,072 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 09:16:23,072 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 09:16:23,072 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 09:16:23,072 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 09:16:23,072 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 09:16:23,072 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 09:16:23,073 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 09:16:23,073 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 09:16:23,073 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 09:16:23,073 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 09:16:23,073 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 09:16:23,073 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 09:16:23,073 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 09:16:23,073 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 09:16:23,073 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 09:16:23,074 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 09:16:23,074 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 09:16:23,074 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 09:16:23,074 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 09:16:23,074 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 09:16:23,075 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 09:16:23,075 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 09:16:23,075 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 09:16:23,075 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 09:16:23,075 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 -> 5105a9ac8fbead4327a3048bb26dd37319bc5d26c3f11dcff18c222fc5bc4641 [2024-11-07 09:16:23,315 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 09:16:23,323 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 09:16:23,326 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 09:16:23,327 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 09:16:23,327 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 09:16:23,329 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-9.i [2024-11-07 09:16:24,587 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 09:16:24,793 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 09:16:24,793 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-9.i [2024-11-07 09:16:24,803 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/d862164a9/c17b938470e04a5c9ac017e08175843b/FLAG1f6752ecc [2024-11-07 09:16:24,823 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/d862164a9/c17b938470e04a5c9ac017e08175843b [2024-11-07 09:16:24,825 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 09:16:24,827 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 09:16:24,828 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 09:16:24,828 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 09:16:24,833 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 09:16:24,833 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 09:16:24" (1/1) ... [2024-11-07 09:16:24,836 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c0db5cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:16:24, skipping insertion in model container [2024-11-07 09:16:24,836 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 09:16:24" (1/1) ... [2024-11-07 09:16:24,851 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 09:16:24,984 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_operatoramount_amount10_file-9.i[914,927] [2024-11-07 09:16:25,023 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 09:16:25,033 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 09:16:25,044 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_operatoramount_amount10_file-9.i[914,927] [2024-11-07 09:16:25,060 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 09:16:25,079 INFO L204 MainTranslator]: Completed translation [2024-11-07 09:16:25,080 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:16:25 WrapperNode [2024-11-07 09:16:25,080 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 09:16:25,081 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 09:16:25,081 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 09:16:25,081 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 09:16:25,086 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:16:25" (1/1) ... [2024-11-07 09:16:25,094 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:16:25" (1/1) ... [2024-11-07 09:16:25,115 INFO L138 Inliner]: procedures = 26, calls = 21, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 77 [2024-11-07 09:16:25,116 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 09:16:25,116 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 09:16:25,117 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 09:16:25,117 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 09:16:25,124 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:16:25" (1/1) ... [2024-11-07 09:16:25,125 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:16:25" (1/1) ... [2024-11-07 09:16:25,126 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:16:25" (1/1) ... [2024-11-07 09:16:25,142 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 09:16:25,145 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:16:25" (1/1) ... [2024-11-07 09:16:25,146 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:16:25" (1/1) ... [2024-11-07 09:16:25,153 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:16:25" (1/1) ... [2024-11-07 09:16:25,160 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:16:25" (1/1) ... [2024-11-07 09:16:25,161 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:16:25" (1/1) ... [2024-11-07 09:16:25,161 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:16:25" (1/1) ... [2024-11-07 09:16:25,166 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 09:16:25,167 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 09:16:25,167 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 09:16:25,167 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 09:16:25,168 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:16:25" (1/1) ... [2024-11-07 09:16:25,179 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 09:16:25,192 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 09:16:25,203 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 09:16:25,206 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 09:16:25,225 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 09:16:25,225 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 09:16:25,225 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 09:16:25,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 09:16:25,225 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 09:16:25,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 09:16:25,294 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 09:16:25,296 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 09:16:25,468 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-07 09:16:25,470 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 09:16:25,480 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 09:16:25,482 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-07 09:16:25,483 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 09:16:25 BoogieIcfgContainer [2024-11-07 09:16:25,483 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 09:16:25,485 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 09:16:25,486 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 09:16:25,490 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 09:16:25,491 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 09:16:24" (1/3) ... [2024-11-07 09:16:25,491 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23f60380 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 09:16:25, skipping insertion in model container [2024-11-07 09:16:25,492 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:16:25" (2/3) ... [2024-11-07 09:16:25,492 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23f60380 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 09:16:25, skipping insertion in model container [2024-11-07 09:16:25,493 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 09:16:25" (3/3) ... [2024-11-07 09:16:25,494 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-9.i [2024-11-07 09:16:25,507 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 09:16:25,508 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-07 09:16:25,569 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 09:16:25,581 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;@30aead71, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 09:16:25,582 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-07 09:16:25,587 INFO L276 IsEmpty]: Start isEmpty. Operand has 37 states, 26 states have (on average 1.3461538461538463) internal successors, (35), 27 states have internal predecessors, (35), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-07 09:16:25,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-07 09:16:25,595 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 09:16:25,596 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:16:25,597 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 09:16:25,601 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 09:16:25,602 INFO L85 PathProgramCache]: Analyzing trace with hash 1288265670, now seen corresponding path program 1 times [2024-11-07 09:16:25,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 09:16:25,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [679029010] [2024-11-07 09:16:25,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 09:16:25,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 09:16:25,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 09:16:25,780 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-07 09:16:25,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 09:16:25,896 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-07 09:16:25,898 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-07 09:16:25,899 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-07 09:16:25,901 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 09:16:25,905 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-07 09:16:25,956 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-07 09:16:25,960 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 09:16:25 BoogieIcfgContainer [2024-11-07 09:16:25,961 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-07 09:16:25,962 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-07 09:16:25,962 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-07 09:16:25,963 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-07 09:16:25,963 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 09:16:25" (3/4) ... [2024-11-07 09:16:25,966 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-07 09:16:25,967 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-07 09:16:25,968 INFO L158 Benchmark]: Toolchain (without parser) took 1141.40ms. Allocated memory is still 117.4MB. Free memory was 91.9MB in the beginning and 45.9MB in the end (delta: 46.0MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-07 09:16:25,969 INFO L158 Benchmark]: CDTParser took 0.80ms. Allocated memory is still 117.4MB. Free memory was 81.9MB in the beginning and 81.8MB in the end (delta: 77.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 09:16:25,969 INFO L158 Benchmark]: CACSL2BoogieTranslator took 251.87ms. Allocated memory is still 117.4MB. Free memory was 91.7MB in the beginning and 80.1MB in the end (delta: 11.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-07 09:16:25,969 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.26ms. Allocated memory is still 117.4MB. Free memory was 80.1MB in the beginning and 78.7MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-07 09:16:25,969 INFO L158 Benchmark]: Boogie Preprocessor took 49.29ms. Allocated memory is still 117.4MB. Free memory was 78.7MB in the beginning and 77.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 09:16:25,972 INFO L158 Benchmark]: RCFGBuilder took 316.35ms. Allocated memory is still 117.4MB. Free memory was 77.2MB in the beginning and 65.8MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-07 09:16:25,972 INFO L158 Benchmark]: TraceAbstraction took 476.24ms. Allocated memory is still 117.4MB. Free memory was 65.2MB in the beginning and 46.0MB in the end (delta: 19.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-07 09:16:25,972 INFO L158 Benchmark]: Witness Printer took 5.20ms. Allocated memory is still 117.4MB. Free memory was 46.0MB in the beginning and 45.9MB in the end (delta: 161.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 09:16:25,973 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.80ms. Allocated memory is still 117.4MB. Free memory was 81.9MB in the beginning and 81.8MB in the end (delta: 77.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 251.87ms. Allocated memory is still 117.4MB. Free memory was 91.7MB in the beginning and 80.1MB in the end (delta: 11.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.26ms. Allocated memory is still 117.4MB. Free memory was 80.1MB in the beginning and 78.7MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.29ms. Allocated memory is still 117.4MB. Free memory was 78.7MB in the beginning and 77.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 316.35ms. Allocated memory is still 117.4MB. Free memory was 77.2MB in the beginning and 65.8MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 476.24ms. Allocated memory is still 117.4MB. Free memory was 65.2MB in the beginning and 46.0MB in the end (delta: 19.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 5.20ms. Allocated memory is still 117.4MB. Free memory was 46.0MB in the beginning and 45.9MB in the end (delta: 161.6kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 69. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 5; [L23] unsigned char var_1_2 = 0; [L24] unsigned short int var_1_3 = 5; [L25] double var_1_4 = 4.2; [L26] double var_1_5 = 16.375; [L27] double var_1_6 = 99999.495; [L28] double var_1_7 = 1.2; [L29] double var_1_8 = 4.2; VAL [isInitial=0, var_1_1=5, var_1_2=0, var_1_3=5, var_1_4=21/5, var_1_5=131/8, var_1_6=19999899/200, var_1_7=6/5, var_1_8=21/5] [L73] isInitial = 1 [L74] FCALL initially() [L75] COND TRUE 1 [L76] FCALL updateLastVariables() [L77] CALL updateVariables() [L51] var_1_2 = __VERIFIER_nondet_uchar() [L52] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_1=5, var_1_3=5, var_1_4=21/5, var_1_5=131/8, var_1_6=19999899/200, var_1_7=6/5, var_1_8=21/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=5, var_1_3=5, var_1_4=21/5, var_1_5=131/8, var_1_6=19999899/200, var_1_7=6/5, var_1_8=21/5] [L52] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_1=5, var_1_3=5, var_1_4=21/5, var_1_5=131/8, var_1_6=19999899/200, var_1_7=6/5, var_1_8=21/5] [L53] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_1=5, var_1_2=0, var_1_3=5, var_1_4=21/5, var_1_5=131/8, var_1_6=19999899/200, var_1_7=6/5, var_1_8=21/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=5, var_1_2=0, var_1_3=5, var_1_4=21/5, var_1_5=131/8, var_1_6=19999899/200, var_1_7=6/5, var_1_8=21/5] [L53] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, var_1_1=5, var_1_2=0, var_1_3=5, var_1_4=21/5, var_1_5=131/8, var_1_6=19999899/200, var_1_7=6/5, var_1_8=21/5] [L54] var_1_3 = __VERIFIER_nondet_ushort() [L55] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_1=5, var_1_2=0, var_1_4=21/5, var_1_5=131/8, var_1_6=19999899/200, var_1_7=6/5, var_1_8=21/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=5, var_1_2=0, var_1_4=21/5, var_1_5=131/8, var_1_6=19999899/200, var_1_7=6/5, var_1_8=21/5] [L55] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_1=5, var_1_2=0, var_1_4=21/5, var_1_5=131/8, var_1_6=19999899/200, var_1_7=6/5, var_1_8=21/5] [L56] CALL assume_abort_if_not(var_1_3 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_1=5, var_1_2=0, var_1_3=-2, var_1_4=21/5, var_1_5=131/8, var_1_6=19999899/200, var_1_7=6/5, var_1_8=21/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=5, var_1_2=0, var_1_3=-2, var_1_4=21/5, var_1_5=131/8, var_1_6=19999899/200, var_1_7=6/5, var_1_8=21/5] [L56] RET assume_abort_if_not(var_1_3 <= 65534) VAL [isInitial=1, var_1_1=5, var_1_2=0, var_1_3=-2, var_1_4=21/5, var_1_5=131/8, var_1_6=19999899/200, var_1_7=6/5, var_1_8=21/5] [L57] var_1_5 = __VERIFIER_nondet_double() [L58] CALL assume_abort_if_not((var_1_5 >= -922337.2036854776000e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_1=5, var_1_2=0, var_1_3=-2, var_1_4=21/5, var_1_6=19999899/200, var_1_7=6/5, var_1_8=21/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=5, var_1_2=0, var_1_3=-2, var_1_4=21/5, var_1_6=19999899/200, var_1_7=6/5, var_1_8=21/5] [L58] RET assume_abort_if_not((var_1_5 >= -922337.2036854776000e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, var_1_1=5, var_1_2=0, var_1_3=-2, var_1_4=21/5, var_1_6=19999899/200, var_1_7=6/5, var_1_8=21/5] [L59] var_1_6 = __VERIFIER_nondet_double() [L60] CALL assume_abort_if_not((var_1_6 >= -922337.2036854776000e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854776000e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_1=5, var_1_2=0, var_1_3=-2, var_1_4=21/5, var_1_7=6/5, var_1_8=21/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=5, var_1_2=0, var_1_3=-2, var_1_4=21/5, var_1_7=6/5, var_1_8=21/5] [L60] RET assume_abort_if_not((var_1_6 >= -922337.2036854776000e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854776000e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, var_1_1=5, var_1_2=0, var_1_3=-2, var_1_4=21/5, var_1_7=6/5, var_1_8=21/5] [L61] var_1_7 = __VERIFIER_nondet_double() [L62] CALL assume_abort_if_not((var_1_7 >= -922337.2036854765600e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854765600e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_1=5, var_1_2=0, var_1_3=-2, var_1_4=21/5, var_1_8=21/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=5, var_1_2=0, var_1_3=-2, var_1_4=21/5, var_1_8=21/5] [L62] RET assume_abort_if_not((var_1_7 >= -922337.2036854765600e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854765600e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, var_1_1=5, var_1_2=0, var_1_3=-2, var_1_4=21/5, var_1_8=21/5] [L63] var_1_8 = __VERIFIER_nondet_double() [L64] CALL assume_abort_if_not((var_1_8 >= -922337.2036854765600e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854765600e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_1=5, var_1_2=0, var_1_3=-2, var_1_4=21/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=5, var_1_2=0, var_1_3=-2, var_1_4=21/5] [L64] RET assume_abort_if_not((var_1_8 >= -922337.2036854765600e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854765600e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, var_1_1=5, var_1_2=0, var_1_3=-2, var_1_4=21/5] [L77] RET updateVariables() [L78] CALL step() [L33] COND TRUE ! var_1_2 [L34] var_1_1 = var_1_3 VAL [isInitial=1, var_1_1=-2, var_1_2=0, var_1_3=-2, var_1_4=21/5] [L36] COND FALSE !(31.6 > var_1_5) [L47] var_1_4 = var_1_8 VAL [isInitial=1, var_1_1=-2, var_1_2=0, var_1_3=-2, var_1_4=100004, var_1_8=100004] [L78] RET step() [L79] CALL, EXPR property() [L69-L70] return ((! var_1_2) ? (var_1_1 == ((unsigned short int) var_1_3)) : 1) && ((31.6 > var_1_5) ? ((var_1_5 > var_1_6) ? (var_1_4 == ((double) ((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8))))) : (var_1_2 ? (var_1_4 == ((double) var_1_8)) : (var_1_4 == ((double) 1.0000000000000875E13)))) : (var_1_4 == ((double) var_1_8))) ; VAL [\result=0, isInitial=1, var_1_1=-2, var_1_2=0, var_1_3=-2, var_1_4=100004, var_1_8=100004] [L79] RET, EXPR property() [L79] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_1=-2, var_1_2=0, var_1_3=-2, var_1_4=100004, var_1_8=100004] [L19] reach_error() VAL [isInitial=1, var_1_1=-2, var_1_2=0, var_1_3=-2, var_1_4=100004, var_1_8=100004] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 37 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 8, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=37occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 57 NumberOfCodeBlocks, 57 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 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 09:16:26,015 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, 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_operatoramount_amount10_file-9.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 5105a9ac8fbead4327a3048bb26dd37319bc5d26c3f11dcff18c222fc5bc4641 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 09:16:28,177 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 09:16:28,281 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-07 09:16:28,287 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 09:16:28,289 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 09:16:28,315 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 09:16:28,316 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 09:16:28,316 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 09:16:28,316 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 09:16:28,316 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 09:16:28,317 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 09:16:28,317 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 09:16:28,317 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 09:16:28,317 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 09:16:28,317 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 09:16:28,317 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 09:16:28,318 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 09:16:28,318 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 09:16:28,318 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 09:16:28,318 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 09:16:28,318 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 09:16:28,318 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 09:16:28,318 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 09:16:28,318 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-07 09:16:28,319 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-07 09:16:28,319 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 09:16:28,319 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-07 09:16:28,319 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 09:16:28,319 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 09:16:28,319 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 09:16:28,319 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 09:16:28,319 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 09:16:28,320 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 09:16:28,320 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 09:16:28,320 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 09:16:28,320 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 09:16:28,320 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 09:16:28,320 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 09:16:28,320 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-07 09:16:28,320 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-07 09:16:28,321 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 09:16:28,321 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 09:16:28,321 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 09:16:28,321 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 09:16:28,321 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 -> 5105a9ac8fbead4327a3048bb26dd37319bc5d26c3f11dcff18c222fc5bc4641 [2024-11-07 09:16:28,609 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 09:16:28,615 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 09:16:28,618 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 09:16:28,620 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 09:16:28,621 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 09:16:28,622 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-9.i [2024-11-07 09:16:29,959 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 09:16:30,190 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 09:16:30,191 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-9.i [2024-11-07 09:16:30,199 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/6bc5a660b/7291a73506b04a9484bf5bef48494b81/FLAG8660495a7 [2024-11-07 09:16:30,215 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/6bc5a660b/7291a73506b04a9484bf5bef48494b81 [2024-11-07 09:16:30,219 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 09:16:30,220 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 09:16:30,222 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 09:16:30,222 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 09:16:30,226 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 09:16:30,227 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 09:16:30" (1/1) ... [2024-11-07 09:16:30,227 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a7b44c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:16:30, skipping insertion in model container [2024-11-07 09:16:30,228 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 09:16:30" (1/1) ... [2024-11-07 09:16:30,247 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 09:16:30,383 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_operatoramount_amount10_file-9.i[914,927] [2024-11-07 09:16:30,423 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 09:16:30,441 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 09:16:30,454 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_operatoramount_amount10_file-9.i[914,927] [2024-11-07 09:16:30,470 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 09:16:30,492 INFO L204 MainTranslator]: Completed translation [2024-11-07 09:16:30,492 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:16:30 WrapperNode [2024-11-07 09:16:30,493 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 09:16:30,494 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 09:16:30,494 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 09:16:30,494 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 09:16:30,501 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:16:30" (1/1) ... [2024-11-07 09:16:30,512 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:16:30" (1/1) ... [2024-11-07 09:16:30,536 INFO L138 Inliner]: procedures = 27, calls = 21, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 77 [2024-11-07 09:16:30,536 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 09:16:30,537 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 09:16:30,537 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 09:16:30,537 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 09:16:30,544 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:16:30" (1/1) ... [2024-11-07 09:16:30,544 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:16:30" (1/1) ... [2024-11-07 09:16:30,546 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:16:30" (1/1) ... [2024-11-07 09:16:30,556 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 09:16:30,556 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:16:30" (1/1) ... [2024-11-07 09:16:30,557 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:16:30" (1/1) ... [2024-11-07 09:16:30,565 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:16:30" (1/1) ... [2024-11-07 09:16:30,569 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:16:30" (1/1) ... [2024-11-07 09:16:30,571 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:16:30" (1/1) ... [2024-11-07 09:16:30,572 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:16:30" (1/1) ... [2024-11-07 09:16:30,574 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 09:16:30,577 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 09:16:30,579 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 09:16:30,579 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 09:16:30,580 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:16:30" (1/1) ... [2024-11-07 09:16:30,586 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 09:16:30,598 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 09:16:30,610 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 09:16:30,612 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 09:16:30,633 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 09:16:30,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-07 09:16:30,634 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 09:16:30,635 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 09:16:30,635 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 09:16:30,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 09:16:30,705 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 09:16:30,707 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 09:16:30,866 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-07 09:16:30,866 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 09:16:30,876 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 09:16:30,876 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-07 09:16:30,877 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 09:16:30 BoogieIcfgContainer [2024-11-07 09:16:30,877 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 09:16:30,879 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 09:16:30,879 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 09:16:30,884 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 09:16:30,884 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 09:16:30" (1/3) ... [2024-11-07 09:16:30,885 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61b8eb68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 09:16:30, skipping insertion in model container [2024-11-07 09:16:30,886 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:16:30" (2/3) ... [2024-11-07 09:16:30,886 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61b8eb68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 09:16:30, skipping insertion in model container [2024-11-07 09:16:30,886 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 09:16:30" (3/3) ... [2024-11-07 09:16:30,887 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-9.i [2024-11-07 09:16:30,899 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 09:16:30,900 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-07 09:16:30,946 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 09:16:30,956 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;@58592dcc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 09:16:30,956 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-07 09:16:30,960 INFO L276 IsEmpty]: Start isEmpty. Operand has 37 states, 26 states have (on average 1.3461538461538463) internal successors, (35), 27 states have internal predecessors, (35), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-07 09:16:30,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-07 09:16:30,966 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 09:16:30,966 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:16:30,967 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 09:16:30,971 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 09:16:30,971 INFO L85 PathProgramCache]: Analyzing trace with hash 1288265670, now seen corresponding path program 1 times [2024-11-07 09:16:30,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 09:16:30,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1229018995] [2024-11-07 09:16:30,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 09:16:30,979 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 09:16:30,980 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 09:16:30,982 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 09:16:30,983 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 09:16:31,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:16:31,130 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-07 09:16:31,140 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 09:16:34,347 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2024-11-07 09:16:34,347 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 09:16:34,350 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-07 09:16:34,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1229018995] [2024-11-07 09:16:34,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1229018995] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 09:16:34,351 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 09:16:34,353 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-07 09:16:34,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1676812112] [2024-11-07 09:16:34,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 09:16:34,357 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-07 09:16:34,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-07 09:16:34,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-07 09:16:34,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2024-11-07 09:16:34,379 INFO L87 Difference]: Start difference. First operand has 37 states, 26 states have (on average 1.3461538461538463) internal successors, (35), 27 states have internal predecessors, (35), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 10 states, 10 states have (on average 2.3) internal successors, (23), 9 states have internal predecessors, (23), 1 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 1 states have call successors, (8) [2024-11-07 09:16:35,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 09:16:35,920 INFO L93 Difference]: Finished difference Result 108 states and 165 transitions. [2024-11-07 09:16:35,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-07 09:16:35,924 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.3) internal successors, (23), 9 states have internal predecessors, (23), 1 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 1 states have call successors, (8) Word has length 57 [2024-11-07 09:16:35,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 09:16:35,931 INFO L225 Difference]: With dead ends: 108 [2024-11-07 09:16:35,932 INFO L226 Difference]: Without dead ends: 74 [2024-11-07 09:16:35,935 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=117, Invalid=303, Unknown=0, NotChecked=0, Total=420 [2024-11-07 09:16:35,939 INFO L432 NwaCegarLoop]: 34 mSDtfsCounter, 101 mSDsluCounter, 136 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 170 SdHoareTripleChecker+Invalid, 207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-07 09:16:35,941 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 170 Invalid, 207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 198 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-07 09:16:35,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2024-11-07 09:16:35,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 55. [2024-11-07 09:16:35,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 41 states have (on average 1.2195121951219512) internal successors, (50), 42 states have internal predecessors, (50), 10 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-07 09:16:35,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 70 transitions. [2024-11-07 09:16:35,983 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 70 transitions. Word has length 57 [2024-11-07 09:16:35,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 09:16:35,984 INFO L471 AbstractCegarLoop]: Abstraction has 55 states and 70 transitions. [2024-11-07 09:16:35,984 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.3) internal successors, (23), 9 states have internal predecessors, (23), 1 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 1 states have call successors, (8) [2024-11-07 09:16:35,985 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 70 transitions. [2024-11-07 09:16:35,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-07 09:16:35,987 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 09:16:35,988 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:16:35,994 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 09:16:36,188 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 09:16:36,189 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 09:16:36,190 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 09:16:36,190 INFO L85 PathProgramCache]: Analyzing trace with hash 1345523972, now seen corresponding path program 1 times [2024-11-07 09:16:36,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 09:16:36,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1638117983] [2024-11-07 09:16:36,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 09:16:36,190 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 09:16:36,191 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 09:16:36,194 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 09:16:36,196 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 09:16:36,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:16:36,304 INFO L255 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-07 09:16:36,309 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 09:16:38,068 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2024-11-07 09:16:38,068 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 09:16:38,068 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-07 09:16:38,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1638117983] [2024-11-07 09:16:38,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1638117983] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 09:16:38,068 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 09:16:38,068 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-07 09:16:38,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1735503926] [2024-11-07 09:16:38,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 09:16:38,069 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-07 09:16:38,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-07 09:16:38,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-07 09:16:38,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2024-11-07 09:16:38,073 INFO L87 Difference]: Start difference. First operand 55 states and 70 transitions. Second operand has 10 states, 10 states have (on average 2.3) internal successors, (23), 9 states have internal predecessors, (23), 1 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 1 states have call successors, (8) [2024-11-07 09:16:38,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 09:16:38,847 INFO L93 Difference]: Finished difference Result 125 states and 156 transitions. [2024-11-07 09:16:38,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-07 09:16:38,848 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.3) internal successors, (23), 9 states have internal predecessors, (23), 1 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 1 states have call successors, (8) Word has length 57 [2024-11-07 09:16:38,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 09:16:38,850 INFO L225 Difference]: With dead ends: 125 [2024-11-07 09:16:38,850 INFO L226 Difference]: Without dead ends: 73 [2024-11-07 09:16:38,851 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2024-11-07 09:16:38,851 INFO L432 NwaCegarLoop]: 34 mSDtfsCounter, 49 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 210 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 172 SdHoareTripleChecker+Invalid, 215 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 210 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-07 09:16:38,852 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 172 Invalid, 215 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 210 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-07 09:16:38,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2024-11-07 09:16:38,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 58. [2024-11-07 09:16:38,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 44 states have (on average 1.1818181818181819) internal successors, (52), 45 states have internal predecessors, (52), 10 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-07 09:16:38,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 72 transitions. [2024-11-07 09:16:38,864 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 72 transitions. Word has length 57 [2024-11-07 09:16:38,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 09:16:38,864 INFO L471 AbstractCegarLoop]: Abstraction has 58 states and 72 transitions. [2024-11-07 09:16:38,865 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.3) internal successors, (23), 9 states have internal predecessors, (23), 1 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 1 states have call successors, (8) [2024-11-07 09:16:38,865 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 72 transitions. [2024-11-07 09:16:38,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-07 09:16:38,866 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 09:16:38,866 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:16:38,872 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-07 09:16:39,066 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-07 09:16:39,067 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 09:16:39,067 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 09:16:39,068 INFO L85 PathProgramCache]: Analyzing trace with hash 898206425, now seen corresponding path program 1 times [2024-11-07 09:16:39,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 09:16:39,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [491702373] [2024-11-07 09:16:39,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 09:16:39,068 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 09:16:39,068 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 09:16:39,070 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-07 09:16:39,072 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-07 09:16:39,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:16:39,151 INFO L255 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-07 09:16:39,155 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 09:16:41,946 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-07 09:16:41,946 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 09:16:41,946 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-07 09:16:41,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [491702373] [2024-11-07 09:16:41,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [491702373] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 09:16:41,946 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 09:16:41,946 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-07 09:16:41,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1190418713] [2024-11-07 09:16:41,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 09:16:41,947 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-07 09:16:41,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-07 09:16:41,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-07 09:16:41,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=134, Unknown=0, NotChecked=0, Total=182 [2024-11-07 09:16:41,948 INFO L87 Difference]: Start difference. First operand 58 states and 72 transitions. Second operand has 14 states, 14 states have (on average 1.9285714285714286) internal successors, (27), 13 states have internal predecessors, (27), 2 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-07 09:16:44,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 09:16:44,550 INFO L93 Difference]: Finished difference Result 98 states and 112 transitions. [2024-11-07 09:16:44,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-07 09:16:44,551 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 1.9285714285714286) internal successors, (27), 13 states have internal predecessors, (27), 2 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) Word has length 58 [2024-11-07 09:16:44,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 09:16:44,552 INFO L225 Difference]: With dead ends: 98 [2024-11-07 09:16:44,552 INFO L226 Difference]: Without dead ends: 96 [2024-11-07 09:16:44,553 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 130 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=214, Invalid=542, Unknown=0, NotChecked=0, Total=756 [2024-11-07 09:16:44,553 INFO L432 NwaCegarLoop]: 36 mSDtfsCounter, 90 mSDsluCounter, 169 mSDsCounter, 0 mSdLazyCounter, 258 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 205 SdHoareTripleChecker+Invalid, 267 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 258 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-07 09:16:44,553 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 205 Invalid, 267 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 258 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-07 09:16:44,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2024-11-07 09:16:44,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 62. [2024-11-07 09:16:44,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 47 states have (on average 1.1702127659574468) internal successors, (55), 48 states have internal predecessors, (55), 10 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-07 09:16:44,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 75 transitions. [2024-11-07 09:16:44,562 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 75 transitions. Word has length 58 [2024-11-07 09:16:44,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 09:16:44,563 INFO L471 AbstractCegarLoop]: Abstraction has 62 states and 75 transitions. [2024-11-07 09:16:44,563 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 1.9285714285714286) internal successors, (27), 13 states have internal predecessors, (27), 2 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-07 09:16:44,563 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 75 transitions. [2024-11-07 09:16:44,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-07 09:16:44,564 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 09:16:44,564 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:16:44,570 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-11-07 09:16:44,765 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-07 09:16:44,765 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 09:16:44,766 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 09:16:44,766 INFO L85 PathProgramCache]: Analyzing trace with hash -1621753509, now seen corresponding path program 1 times [2024-11-07 09:16:44,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 09:16:44,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [205869428] [2024-11-07 09:16:44,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 09:16:44,766 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 09:16:44,766 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 09:16:44,770 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 09:16:44,771 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 09:16:44,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:16:44,843 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-07 09:16:44,846 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 09:16:46,732 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-07 09:16:46,733 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 09:16:46,733 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-07 09:16:46,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [205869428] [2024-11-07 09:16:46,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [205869428] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 09:16:46,733 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 09:16:46,733 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-07 09:16:46,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2075184558] [2024-11-07 09:16:46,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 09:16:46,734 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-07 09:16:46,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-07 09:16:46,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-07 09:16:46,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=134, Unknown=0, NotChecked=0, Total=182 [2024-11-07 09:16:46,734 INFO L87 Difference]: Start difference. First operand 62 states and 75 transitions. Second operand has 14 states, 14 states have (on average 1.9285714285714286) internal successors, (27), 13 states have internal predecessors, (27), 2 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-07 09:16:47,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 09:16:47,784 INFO L93 Difference]: Finished difference Result 87 states and 99 transitions. [2024-11-07 09:16:47,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-07 09:16:47,785 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 1.9285714285714286) internal successors, (27), 13 states have internal predecessors, (27), 2 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) Word has length 58 [2024-11-07 09:16:47,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 09:16:47,786 INFO L225 Difference]: With dead ends: 87 [2024-11-07 09:16:47,786 INFO L226 Difference]: Without dead ends: 85 [2024-11-07 09:16:47,787 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2024-11-07 09:16:47,787 INFO L432 NwaCegarLoop]: 40 mSDtfsCounter, 75 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 206 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 197 SdHoareTripleChecker+Invalid, 225 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-07 09:16:47,787 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 197 Invalid, 225 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 206 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-07 09:16:47,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2024-11-07 09:16:47,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 62. [2024-11-07 09:16:47,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 47 states have (on average 1.1702127659574468) internal successors, (55), 48 states have internal predecessors, (55), 10 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-07 09:16:47,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 75 transitions. [2024-11-07 09:16:47,795 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 75 transitions. Word has length 58 [2024-11-07 09:16:47,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 09:16:47,796 INFO L471 AbstractCegarLoop]: Abstraction has 62 states and 75 transitions. [2024-11-07 09:16:47,796 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 1.9285714285714286) internal successors, (27), 13 states have internal predecessors, (27), 2 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-07 09:16:47,796 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 75 transitions. [2024-11-07 09:16:47,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-07 09:16:47,797 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 09:16:47,798 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:16:47,804 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2024-11-07 09:16:47,998 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-07 09:16:47,998 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 09:16:47,999 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 09:16:47,999 INFO L85 PathProgramCache]: Analyzing trace with hash 2127173630, now seen corresponding path program 1 times [2024-11-07 09:16:47,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 09:16:47,999 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [220165729] [2024-11-07 09:16:47,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 09:16:47,999 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 09:16:47,999 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 09:16:48,001 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-07 09:16:48,002 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-11-07 09:16:48,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:16:48,073 INFO L255 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-07 09:16:48,075 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 09:16:48,773 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-07 09:16:48,773 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 09:16:48,773 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-07 09:16:48,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [220165729] [2024-11-07 09:16:48,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [220165729] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 09:16:48,773 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 09:16:48,773 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-07 09:16:48,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2122095563] [2024-11-07 09:16:48,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 09:16:48,773 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-07 09:16:48,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-07 09:16:48,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-07 09:16:48,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-07 09:16:48,774 INFO L87 Difference]: Start difference. First operand 62 states and 75 transitions. Second operand has 8 states, 8 states have (on average 2.75) internal successors, (22), 8 states have internal predecessors, (22), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-11-07 09:16:49,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 09:16:49,127 INFO L93 Difference]: Finished difference Result 132 states and 158 transitions. [2024-11-07 09:16:49,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-07 09:16:49,128 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.75) internal successors, (22), 8 states have internal predecessors, (22), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 59 [2024-11-07 09:16:49,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 09:16:49,129 INFO L225 Difference]: With dead ends: 132 [2024-11-07 09:16:49,129 INFO L226 Difference]: Without dead ends: 73 [2024-11-07 09:16:49,129 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-11-07 09:16:49,130 INFO L432 NwaCegarLoop]: 46 mSDtfsCounter, 21 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 211 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 09:16:49,131 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 211 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 09:16:49,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2024-11-07 09:16:49,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 59. [2024-11-07 09:16:49,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 44 states have (on average 1.1363636363636365) internal successors, (50), 45 states have internal predecessors, (50), 10 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-07 09:16:49,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 70 transitions. [2024-11-07 09:16:49,138 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 70 transitions. Word has length 59 [2024-11-07 09:16:49,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 09:16:49,139 INFO L471 AbstractCegarLoop]: Abstraction has 59 states and 70 transitions. [2024-11-07 09:16:49,139 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.75) internal successors, (22), 8 states have internal predecessors, (22), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-11-07 09:16:49,139 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 70 transitions. [2024-11-07 09:16:49,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-07 09:16:49,140 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 09:16:49,140 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:16:49,147 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 (6)] Ended with exit code 0 [2024-11-07 09:16:49,342 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /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 09:16:49,342 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 09:16:49,342 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 09:16:49,343 INFO L85 PathProgramCache]: Analyzing trace with hash 1315979962, now seen corresponding path program 1 times [2024-11-07 09:16:49,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 09:16:49,343 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1808352838] [2024-11-07 09:16:49,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 09:16:49,343 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 09:16:49,343 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 09:16:49,345 INFO L229 MonitoredProcess]: Starting monitored process 7 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 09:16:49,346 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 (7)] Waiting until timeout for monitored process [2024-11-07 09:16:49,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:16:49,423 INFO L255 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-07 09:16:49,429 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 09:16:50,355 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2024-11-07 09:16:50,355 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 09:16:50,355 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-07 09:16:50,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1808352838] [2024-11-07 09:16:50,355 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1808352838] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 09:16:50,355 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 09:16:50,355 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-07 09:16:50,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099850193] [2024-11-07 09:16:50,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 09:16:50,355 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-07 09:16:50,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-07 09:16:50,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-07 09:16:50,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2024-11-07 09:16:50,356 INFO L87 Difference]: Start difference. First operand 59 states and 70 transitions. Second operand has 12 states, 12 states have (on average 2.0833333333333335) internal successors, (25), 11 states have internal predecessors, (25), 1 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 1 states have call successors, (8) [2024-11-07 09:16:51,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 09:16:51,087 INFO L93 Difference]: Finished difference Result 72 states and 83 transitions. [2024-11-07 09:16:51,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-07 09:16:51,088 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 2.0833333333333335) internal successors, (25), 11 states have internal predecessors, (25), 1 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 1 states have call successors, (8) Word has length 59 [2024-11-07 09:16:51,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 09:16:51,088 INFO L225 Difference]: With dead ends: 72 [2024-11-07 09:16:51,088 INFO L226 Difference]: Without dead ends: 0 [2024-11-07 09:16:51,089 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=74, Invalid=198, Unknown=0, NotChecked=0, Total=272 [2024-11-07 09:16:51,089 INFO L432 NwaCegarLoop]: 39 mSDtfsCounter, 63 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 226 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 189 SdHoareTripleChecker+Invalid, 229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 226 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-07 09:16:51,089 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 189 Invalid, 229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 226 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-07 09:16:51,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-07 09:16:51,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-07 09:16:51,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 09:16:51,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-07 09:16:51,090 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 59 [2024-11-07 09:16:51,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 09:16:51,090 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-07 09:16:51,090 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.0833333333333335) internal successors, (25), 11 states have internal predecessors, (25), 1 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 1 states have call successors, (8) [2024-11-07 09:16:51,090 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-07 09:16:51,090 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-07 09:16:51,092 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-07 09:16:51,097 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 (7)] Ended with exit code 0 [2024-11-07 09:16:51,293 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /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 09:16:51,296 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2024-11-07 09:16:51,298 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-07 09:16:55,212 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-07 09:16:55,222 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-07 09:16:55,223 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-07 09:16:55,223 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-07 09:16:55,224 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-07 09:16:55,224 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-07 09:16:55,224 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-07 09:16:55,224 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-07 09:16:55,224 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-07 09:16:55,225 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-07 09:16:55,225 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-07 09:16:55,225 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-07 09:16:55,225 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-07 09:16:55,225 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-07 09:16:55,225 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-07 09:16:55,225 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-07 09:16:55,226 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-07 09:16:55,226 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-07 09:16:55,226 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-07 09:16:55,226 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-07 09:16:55,226 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-07 09:16:55,235 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-07 09:16:55,237 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-07 09:16:55,237 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-07 09:16:55,237 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-07 09:16:55,237 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-07 09:16:55,237 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-07 09:16:55,237 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-07 09:16:55,237 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-07 09:16:55,237 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-07 09:16:55,238 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-07 09:16:55,238 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-07 09:16:55,238 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-07 09:16:55,238 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-07 09:16:55,238 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-07 09:16:55,238 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-07 09:16:55,238 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-07 09:16:55,238 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-07 09:16:55,238 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-07 09:16:55,238 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-07 09:16:55,238 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-07 09:16:55,238 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-07 09:16:55,238 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-07 09:16:55,238 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-07 09:16:55,238 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-07 09:16:55,242 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 09:16:55 BoogieIcfgContainer [2024-11-07 09:16:55,243 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-07 09:16:55,243 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-07 09:16:55,243 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-07 09:16:55,244 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-07 09:16:55,244 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 09:16:30" (3/4) ... [2024-11-07 09:16:55,246 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-07 09:16:55,250 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-07 09:16:55,252 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-11-07 09:16:55,252 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-07 09:16:55,253 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-07 09:16:55,253 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-07 09:16:55,326 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-07 09:16:55,326 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-07 09:16:55,326 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-07 09:16:55,327 INFO L158 Benchmark]: Toolchain (without parser) took 25107.21ms. Allocated memory was 83.9MB in the beginning and 251.7MB in the end (delta: 167.8MB). Free memory was 60.4MB in the beginning and 209.8MB in the end (delta: -149.4MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. [2024-11-07 09:16:55,327 INFO L158 Benchmark]: CDTParser took 0.97ms. Allocated memory is still 83.9MB. Free memory is still 64.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 09:16:55,327 INFO L158 Benchmark]: CACSL2BoogieTranslator took 271.15ms. Allocated memory is still 83.9MB. Free memory was 60.4MB in the beginning and 48.2MB in the end (delta: 12.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-07 09:16:55,328 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.79ms. Allocated memory is still 83.9MB. Free memory was 48.2MB in the beginning and 46.6MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-07 09:16:55,328 INFO L158 Benchmark]: Boogie Preprocessor took 36.80ms. Allocated memory is still 83.9MB. Free memory was 46.6MB in the beginning and 44.8MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 09:16:55,328 INFO L158 Benchmark]: RCFGBuilder took 299.41ms. Allocated memory is still 83.9MB. Free memory was 44.8MB in the beginning and 33.0MB in the end (delta: 11.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-07 09:16:55,328 INFO L158 Benchmark]: TraceAbstraction took 24363.31ms. Allocated memory was 83.9MB in the beginning and 251.7MB in the end (delta: 167.8MB). Free memory was 32.4MB in the beginning and 215.4MB in the end (delta: -183.1MB). Peak memory consumption was 122.7MB. Max. memory is 16.1GB. [2024-11-07 09:16:55,328 INFO L158 Benchmark]: Witness Printer took 83.21ms. Allocated memory is still 251.7MB. Free memory was 215.4MB in the beginning and 209.8MB in the end (delta: 5.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 09:16:55,330 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.97ms. Allocated memory is still 83.9MB. Free memory is still 64.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 271.15ms. Allocated memory is still 83.9MB. Free memory was 60.4MB in the beginning and 48.2MB in the end (delta: 12.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.79ms. Allocated memory is still 83.9MB. Free memory was 48.2MB in the beginning and 46.6MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.80ms. Allocated memory is still 83.9MB. Free memory was 46.6MB in the beginning and 44.8MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 299.41ms. Allocated memory is still 83.9MB. Free memory was 44.8MB in the beginning and 33.0MB in the end (delta: 11.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 24363.31ms. Allocated memory was 83.9MB in the beginning and 251.7MB in the end (delta: 167.8MB). Free memory was 32.4MB in the beginning and 215.4MB in the end (delta: -183.1MB). Peak memory consumption was 122.7MB. Max. memory is 16.1GB. * Witness Printer took 83.21ms. Allocated memory is still 251.7MB. Free memory was 215.4MB in the beginning and 209.8MB in the end (delta: 5.6MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven * 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 - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 37 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 20.4s, OverallIterations: 6, TraceHistogramMax: 8, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 7.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 442 SdHoareTripleChecker+Valid, 2.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 399 mSDsluCounter, 1144 SdHoareTripleChecker+Invalid, 2.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 915 mSDsCounter, 47 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1188 IncrementalHoareTripleChecker+Invalid, 1235 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 47 mSolverCounterUnsat, 229 mSDtfsCounter, 1188 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 384 GetRequests, 286 SyntacticMatches, 0 SemanticMatches, 98 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 301 ImplicationChecksByTransitivity, 6.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=62occurred in iteration=3, InterpolantAutomatonStates: 98, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 105 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 11.3s InterpolantComputationTime, 348 NumberOfCodeBlocks, 348 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 342 ConstructedInterpolants, 0 QuantifiedInterpolants, 2755 SizeOfPredicates, 54 NumberOfNonLiveVariables, 591 ConjunctsInSsa, 79 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 672/672 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 75]: Loop Invariant Derived loop invariant: ((var_1_2 != 0) || (var_1_3 == var_1_1)) - ProcedureContractResult [Line: 20]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not. Ensures: ((0 != cond) && (((((((((isInitial == \old(isInitial)) && (var_1_1 == \old(var_1_1))) && (var_1_2 == \old(var_1_2))) && (var_1_3 == \old(var_1_3))) && (var_1_4 == \old(var_1_4))) && (var_1_5 == \old(var_1_5))) && (var_1_6 == \old(var_1_6))) && (var_1_7 == \old(var_1_7))) && (var_1_8 == \old(var_1_8)))) RESULT: Ultimate proved your program to be correct! [2024-11-07 09:16:55,434 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 Writing output log to file Ultimate.log Result: TRUE