./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-29.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4f9af400 extending candidate: java ['java'] extending candidate: /usr/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/oracle-jdk-bin-*/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/openjdk-*/bin/java ['java', '/usr/bin/java'] extending candidate: /usr/lib/jvm/java-*-openjdk-amd64/bin/java ['java', '/usr/bin/java', '/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java', '/usr/lib/jvm/java-17-openjdk-amd64/bin/java', '/usr/lib/jvm/java-11-openjdk-amd64/bin/java', '/usr/lib/jvm/java-1.17.0-openjdk-amd64/bin/java'] ['/root/.sdkman/candidates/java/21.0.5-tem/bin/java', '-Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config', '-Xmx15G', '-Xms4m', '-jar', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar', '-data', '@noDefault', '-ultimatedata', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data', '-tc', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml', '-i', '../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-29.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', '9895c65ddd0a757601efacae1236f009f563ee992f30a3895b216cc56df077ed'] Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-29.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 9895c65ddd0a757601efacae1236f009f563ee992f30a3895b216cc56df077ed --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 07:46:38,653 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 07:46:38,745 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-07 07:46:38,751 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 07:46:38,752 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 07:46:38,778 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 07:46:38,780 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 07:46:38,780 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 07:46:38,781 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 07:46:38,781 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 07:46:38,781 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 07:46:38,781 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 07:46:38,781 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 07:46:38,781 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 07:46:38,782 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 07:46:38,782 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 07:46:38,782 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 07:46:38,782 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 07:46:38,783 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 07:46:38,783 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 07:46:38,783 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 07:46:38,783 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 07:46:38,783 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 07:46:38,783 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 07:46:38,783 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 07:46:38,784 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 07:46:38,784 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 07:46:38,784 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 07:46:38,784 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 07:46:38,784 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 07:46:38,784 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 07:46:38,784 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 07:46:38,784 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 07:46:38,785 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 07:46:38,785 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 07:46:38,785 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 07:46:38,785 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 07:46:38,785 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 07:46:38,785 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 07:46:38,785 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 07:46:38,785 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 07:46:38,786 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 07:46:38,786 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 -> 9895c65ddd0a757601efacae1236f009f563ee992f30a3895b216cc56df077ed [2024-11-07 07:46:39,047 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 07:46:39,055 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 07:46:39,057 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 07:46:39,058 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 07:46:39,058 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 07:46:39,060 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-29.i [2024-11-07 07:46:40,414 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 07:46:40,633 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 07:46:40,633 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-29.i [2024-11-07 07:46:40,640 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/0e6a74a4e/4f880135417a4217bdbf218ea072addd/FLAG6d50110fb [2024-11-07 07:46:40,658 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/0e6a74a4e/4f880135417a4217bdbf218ea072addd [2024-11-07 07:46:40,663 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 07:46:40,664 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 07:46:40,665 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 07:46:40,665 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 07:46:40,669 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 07:46:40,670 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:46:40" (1/1) ... [2024-11-07 07:46:40,673 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@420386ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:46:40, skipping insertion in model container [2024-11-07 07:46:40,673 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:46:40" (1/1) ... [2024-11-07 07:46:40,688 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 07:46:40,807 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-29.i[916,929] [2024-11-07 07:46:40,848 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 07:46:40,858 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 07:46:40,867 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-29.i[916,929] [2024-11-07 07:46:40,882 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 07:46:40,897 INFO L204 MainTranslator]: Completed translation [2024-11-07 07:46:40,897 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:46:40 WrapperNode [2024-11-07 07:46:40,898 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 07:46:40,899 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 07:46:40,899 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 07:46:40,899 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 07:46:40,905 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:46:40" (1/1) ... [2024-11-07 07:46:40,912 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:46:40" (1/1) ... [2024-11-07 07:46:40,931 INFO L138 Inliner]: procedures = 26, calls = 21, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 82 [2024-11-07 07:46:40,932 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 07:46:40,932 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 07:46:40,932 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 07:46:40,932 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 07:46:40,944 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:46:40" (1/1) ... [2024-11-07 07:46:40,944 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:46:40" (1/1) ... [2024-11-07 07:46:40,946 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:46:40" (1/1) ... [2024-11-07 07:46:40,957 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-07 07:46:40,958 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:46:40" (1/1) ... [2024-11-07 07:46:40,958 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:46:40" (1/1) ... [2024-11-07 07:46:40,965 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:46:40" (1/1) ... [2024-11-07 07:46:40,969 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:46:40" (1/1) ... [2024-11-07 07:46:40,970 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:46:40" (1/1) ... [2024-11-07 07:46:40,975 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:46:40" (1/1) ... [2024-11-07 07:46:40,977 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 07:46:40,978 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 07:46:40,978 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 07:46:40,978 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 07:46:40,979 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:46:40" (1/1) ... [2024-11-07 07:46:40,991 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 07:46:41,004 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 07:46:41,019 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-07 07:46:41,022 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-07 07:46:41,043 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 07:46:41,044 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 07:46:41,044 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 07:46:41,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 07:46:41,045 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 07:46:41,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 07:46:41,117 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 07:46:41,119 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 07:46:41,347 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-07 07:46:41,348 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 07:46:41,356 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 07:46:41,356 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-07 07:46:41,357 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:46:41 BoogieIcfgContainer [2024-11-07 07:46:41,357 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 07:46:41,358 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 07:46:41,359 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 07:46:41,363 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 07:46:41,364 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 07:46:40" (1/3) ... [2024-11-07 07:46:41,364 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8a8d068 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 07:46:41, skipping insertion in model container [2024-11-07 07:46:41,364 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:46:40" (2/3) ... [2024-11-07 07:46:41,364 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8a8d068 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 07:46:41, skipping insertion in model container [2024-11-07 07:46:41,364 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:46:41" (3/3) ... [2024-11-07 07:46:41,365 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-29.i [2024-11-07 07:46:41,380 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 07:46:41,380 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-07 07:46:41,428 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 07:46:41,437 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;@20d2f23, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 07:46:41,438 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-07 07:46:41,442 INFO L276 IsEmpty]: Start isEmpty. Operand has 39 states, 28 states have (on average 1.4285714285714286) internal successors, (40), 29 states have internal predecessors, (40), 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 07:46:41,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-07 07:46:41,448 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 07:46:41,449 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 07:46:41,449 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 07:46:41,452 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 07:46:41,452 INFO L85 PathProgramCache]: Analyzing trace with hash -1385980831, now seen corresponding path program 1 times [2024-11-07 07:46:41,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 07:46:41,458 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [107552773] [2024-11-07 07:46:41,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 07:46:41,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 07:46:41,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:46:41,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 07:46:41,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:46:41,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 07:46:41,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:46:41,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 07:46:41,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:46:41,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 07:46:41,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:46:41,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 07:46:41,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:46:41,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 07:46:41,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:46:41,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 07:46:41,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:46:41,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 07:46:41,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:46:41,868 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 07:46:41,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 07:46:41,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [107552773] [2024-11-07 07:46:41,871 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [107552773] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 07:46:41,871 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 07:46:41,871 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 07:46:41,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798568190] [2024-11-07 07:46:41,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 07:46:41,879 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 07:46:41,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 07:46:41,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 07:46:41,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 07:46:41,895 INFO L87 Difference]: Start difference. First operand has 39 states, 28 states have (on average 1.4285714285714286) internal successors, (40), 29 states have internal predecessors, (40), 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 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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 07:46:41,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 07:46:41,965 INFO L93 Difference]: Finished difference Result 83 states and 132 transitions. [2024-11-07 07:46:41,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 07:46:41,968 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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 58 [2024-11-07 07:46:41,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 07:46:41,974 INFO L225 Difference]: With dead ends: 83 [2024-11-07 07:46:41,974 INFO L226 Difference]: Without dead ends: 47 [2024-11-07 07:46:41,978 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 07:46:41,981 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 16 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 07:46:41,982 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 78 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 07:46:41,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2024-11-07 07:46:42,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 38. [2024-11-07 07:46:42,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 28 states have (on average 1.3214285714285714) internal successors, (37), 28 states have internal predecessors, (37), 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 07:46:42,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 53 transitions. [2024-11-07 07:46:42,022 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 53 transitions. Word has length 58 [2024-11-07 07:46:42,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 07:46:42,025 INFO L471 AbstractCegarLoop]: Abstraction has 38 states and 53 transitions. [2024-11-07 07:46:42,025 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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 07:46:42,025 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 53 transitions. [2024-11-07 07:46:42,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-07 07:46:42,028 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 07:46:42,028 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 07:46:42,029 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 07:46:42,029 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 07:46:42,029 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 07:46:42,030 INFO L85 PathProgramCache]: Analyzing trace with hash 1143791801, now seen corresponding path program 1 times [2024-11-07 07:46:42,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 07:46:42,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1100656063] [2024-11-07 07:46:42,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 07:46:42,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 07:46:42,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:46:42,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 07:46:42,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:46:42,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 07:46:42,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:46:42,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 07:46:42,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:46:42,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 07:46:42,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:46:42,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 07:46:42,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:46:42,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 07:46:42,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:46:42,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 07:46:42,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:46:42,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 07:46:42,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:46:42,227 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 07:46:42,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 07:46:42,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1100656063] [2024-11-07 07:46:42,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1100656063] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 07:46:42,229 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 07:46:42,229 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 07:46:42,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296165069] [2024-11-07 07:46:42,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 07:46:42,231 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 07:46:42,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 07:46:42,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 07:46:42,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 07:46:42,232 INFO L87 Difference]: Start difference. First operand 38 states and 53 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 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 07:46:42,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 07:46:42,270 INFO L93 Difference]: Finished difference Result 82 states and 113 transitions. [2024-11-07 07:46:42,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 07:46:42,272 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 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 07:46:42,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 07:46:42,273 INFO L225 Difference]: With dead ends: 82 [2024-11-07 07:46:42,273 INFO L226 Difference]: Without dead ends: 47 [2024-11-07 07:46:42,274 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 07:46:42,274 INFO L432 NwaCegarLoop]: 49 mSDtfsCounter, 8 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 07:46:42,275 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 86 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 07:46:42,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2024-11-07 07:46:42,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 39. [2024-11-07 07:46:42,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 29 states have (on average 1.3103448275862069) internal successors, (38), 29 states have internal predecessors, (38), 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 07:46:42,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 54 transitions. [2024-11-07 07:46:42,284 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 54 transitions. Word has length 59 [2024-11-07 07:46:42,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 07:46:42,285 INFO L471 AbstractCegarLoop]: Abstraction has 39 states and 54 transitions. [2024-11-07 07:46:42,286 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 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 07:46:42,286 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2024-11-07 07:46:42,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-07 07:46:42,287 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 07:46:42,287 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 07:46:42,287 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 07:46:42,287 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 07:46:42,288 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 07:46:42,288 INFO L85 PathProgramCache]: Analyzing trace with hash 1145638843, now seen corresponding path program 1 times [2024-11-07 07:46:42,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 07:46:42,288 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1599111735] [2024-11-07 07:46:42,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 07:46:42,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 07:46:42,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:46:42,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 07:46:42,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:46:42,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 07:46:42,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:46:42,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 07:46:42,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:46:42,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 07:46:42,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:46:42,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 07:46:42,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:46:42,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 07:46:42,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:46:42,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 07:46:42,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:46:42,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 07:46:42,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:46:42,762 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 18 proven. 3 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2024-11-07 07:46:42,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 07:46:42,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1599111735] [2024-11-07 07:46:42,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1599111735] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 07:46:42,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [819088562] [2024-11-07 07:46:42,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 07:46:42,767 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 07:46:42,767 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 07:46:42,771 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 07:46:42,773 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-07 07:46:42,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:46:42,875 INFO L255 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-07 07:46:42,882 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 07:46:43,018 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 07:46:43,018 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 07:46:43,018 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [819088562] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 07:46:43,018 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 07:46:43,018 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [6] total 10 [2024-11-07 07:46:43,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001747038] [2024-11-07 07:46:43,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 07:46:43,019 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 07:46:43,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 07:46:43,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 07:46:43,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-11-07 07:46:43,022 INFO L87 Difference]: Start difference. First operand 39 states and 54 transitions. Second operand has 9 states, 9 states have (on average 3.111111111111111) internal successors, (28), 7 states have internal predecessors, (28), 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 07:46:43,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 07:46:43,258 INFO L93 Difference]: Finished difference Result 80 states and 105 transitions. [2024-11-07 07:46:43,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-07 07:46:43,259 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.111111111111111) internal successors, (28), 7 states have internal predecessors, (28), 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 59 [2024-11-07 07:46:43,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 07:46:43,260 INFO L225 Difference]: With dead ends: 80 [2024-11-07 07:46:43,260 INFO L226 Difference]: Without dead ends: 44 [2024-11-07 07:46:43,261 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=100, Invalid=242, Unknown=0, NotChecked=0, Total=342 [2024-11-07 07:46:43,262 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 60 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 87 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 07:46:43,262 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 87 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 07:46:43,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2024-11-07 07:46:43,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 42. [2024-11-07 07:46:43,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 30 states have (on average 1.1666666666666667) internal successors, (35), 30 states have internal predecessors, (35), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-07 07:46:43,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 51 transitions. [2024-11-07 07:46:43,275 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 51 transitions. Word has length 59 [2024-11-07 07:46:43,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 07:46:43,275 INFO L471 AbstractCegarLoop]: Abstraction has 42 states and 51 transitions. [2024-11-07 07:46:43,275 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.111111111111111) internal successors, (28), 7 states have internal predecessors, (28), 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 07:46:43,275 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 51 transitions. [2024-11-07 07:46:43,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-07 07:46:43,277 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 07:46:43,277 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 07:46:43,295 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-07 07:46:43,478 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 07:46:43,478 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 07:46:43,479 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 07:46:43,479 INFO L85 PathProgramCache]: Analyzing trace with hash 239956963, now seen corresponding path program 1 times [2024-11-07 07:46:43,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 07:46:43,479 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1443948808] [2024-11-07 07:46:43,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 07:46:43,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 07:46:43,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:46:43,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 07:46:43,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:46:43,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 07:46:43,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:46:43,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 07:46:43,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:46:43,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 07:46:43,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:46:43,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 07:46:43,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:46:43,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 07:46:43,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:46:43,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 07:46:43,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:46:43,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 07:46:43,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:46:43,591 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 07:46:43,591 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 07:46:43,591 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1443948808] [2024-11-07 07:46:43,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1443948808] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 07:46:43,592 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 07:46:43,592 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 07:46:43,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569113259] [2024-11-07 07:46:43,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 07:46:43,592 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 07:46:43,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 07:46:43,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 07:46:43,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 07:46:43,595 INFO L87 Difference]: Start difference. First operand 42 states and 51 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 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 07:46:43,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 07:46:43,624 INFO L93 Difference]: Finished difference Result 83 states and 101 transitions. [2024-11-07 07:46:43,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 07:46:43,625 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 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 07:46:43,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 07:46:43,626 INFO L225 Difference]: With dead ends: 83 [2024-11-07 07:46:43,628 INFO L226 Difference]: Without dead ends: 44 [2024-11-07 07:46:43,629 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 07:46:43,629 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 12 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 07:46:43,630 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 67 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 07:46:43,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2024-11-07 07:46:43,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 42. [2024-11-07 07:46:43,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 30 states have (on average 1.1333333333333333) internal successors, (34), 30 states have internal predecessors, (34), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-07 07:46:43,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 50 transitions. [2024-11-07 07:46:43,643 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 50 transitions. Word has length 59 [2024-11-07 07:46:43,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 07:46:43,643 INFO L471 AbstractCegarLoop]: Abstraction has 42 states and 50 transitions. [2024-11-07 07:46:43,643 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 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 07:46:43,643 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 50 transitions. [2024-11-07 07:46:43,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-07 07:46:43,644 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 07:46:43,644 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 07:46:43,645 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-07 07:46:43,645 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 07:46:43,646 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 07:46:43,646 INFO L85 PathProgramCache]: Analyzing trace with hash 241804005, now seen corresponding path program 1 times [2024-11-07 07:46:43,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 07:46:43,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416063143] [2024-11-07 07:46:43,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 07:46:43,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 07:46:43,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 07:46:43,701 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-07 07:46:43,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 07:46:43,781 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-07 07:46:43,781 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-07 07:46:43,782 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-07 07:46:43,784 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-07 07:46:43,787 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-07 07:46:43,840 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-07 07:46:43,844 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 07:46:43 BoogieIcfgContainer [2024-11-07 07:46:43,844 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-07 07:46:43,845 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-07 07:46:43,845 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-07 07:46:43,845 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-07 07:46:43,846 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:46:41" (3/4) ... [2024-11-07 07:46:43,848 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-07 07:46:43,849 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-07 07:46:43,849 INFO L158 Benchmark]: Toolchain (without parser) took 3185.41ms. Allocated memory is still 100.7MB. Free memory was 77.6MB in the beginning and 50.9MB in the end (delta: 26.8MB). Peak memory consumption was 22.3MB. Max. memory is 16.1GB. [2024-11-07 07:46:43,850 INFO L158 Benchmark]: CDTParser took 0.79ms. Allocated memory is still 83.9MB. Free memory is still 47.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 07:46:43,852 INFO L158 Benchmark]: CACSL2BoogieTranslator took 232.70ms. Allocated memory is still 100.7MB. Free memory was 77.5MB in the beginning and 65.2MB in the end (delta: 12.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-07 07:46:43,852 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.09ms. Allocated memory is still 100.7MB. Free memory was 65.2MB in the beginning and 63.3MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-07 07:46:43,853 INFO L158 Benchmark]: Boogie Preprocessor took 45.29ms. Allocated memory is still 100.7MB. Free memory was 63.3MB in the beginning and 60.2MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 07:46:43,853 INFO L158 Benchmark]: RCFGBuilder took 378.59ms. Allocated memory is still 100.7MB. Free memory was 60.1MB in the beginning and 46.8MB in the end (delta: 13.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-07 07:46:43,853 INFO L158 Benchmark]: TraceAbstraction took 2485.94ms. Allocated memory is still 100.7MB. Free memory was 46.1MB in the beginning and 50.9MB in the end (delta: -4.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 07:46:43,853 INFO L158 Benchmark]: Witness Printer took 3.75ms. Allocated memory is still 100.7MB. Free memory was 50.9MB in the beginning and 50.9MB in the end (delta: 22.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 07:46:43,855 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.79ms. Allocated memory is still 83.9MB. Free memory is still 47.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 232.70ms. Allocated memory is still 100.7MB. Free memory was 77.5MB in the beginning and 65.2MB in the end (delta: 12.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.09ms. Allocated memory is still 100.7MB. Free memory was 65.2MB in the beginning and 63.3MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.29ms. Allocated memory is still 100.7MB. Free memory was 63.3MB in the beginning and 60.2MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 378.59ms. Allocated memory is still 100.7MB. Free memory was 60.1MB in the beginning and 46.8MB in the end (delta: 13.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2485.94ms. Allocated memory is still 100.7MB. Free memory was 46.1MB in the beginning and 50.9MB in the end (delta: -4.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.75ms. Allocated memory is still 100.7MB. Free memory was 50.9MB in the beginning and 50.9MB in the end (delta: 22.6kB). 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 78, overapproximation of someBinaryFLOATComparisonOperation at line 78. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = 2; [L23] signed long int var_1_3 = 9; [L24] signed long int var_1_4 = 3; [L25] unsigned short int var_1_5 = 32; [L26] unsigned short int var_1_9 = 1; [L27] unsigned char var_1_10 = 8; [L28] unsigned char var_1_11 = 5; [L29] unsigned char var_1_12 = 1; [L30] unsigned char var_1_13 = 1; [L31] unsigned char var_1_14 = 8; VAL [isInitial=0, var_1_10=8, var_1_11=5, var_1_12=1, var_1_13=1, var_1_14=8, var_1_1=2, var_1_3=9, var_1_4=3, var_1_5=32, var_1_9=1] [L82] isInitial = 1 [L83] FCALL initially() [L84] COND TRUE 1 [L85] FCALL updateLastVariables() [L86] CALL updateVariables() [L62] var_1_3 = __VERIFIER_nondet_long() [L63] CALL assume_abort_if_not(var_1_3 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=5, var_1_12=1, var_1_13=1, var_1_14=8, var_1_1=2, var_1_3=-1, var_1_4=3, var_1_5=32, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=5, var_1_12=1, var_1_13=1, var_1_14=8, var_1_1=2, var_1_3=-1, var_1_4=3, var_1_5=32, var_1_9=1] [L63] RET assume_abort_if_not(var_1_3 >= -2147483648) VAL [isInitial=1, var_1_10=8, var_1_11=5, var_1_12=1, var_1_13=1, var_1_14=8, var_1_1=2, var_1_3=-1, var_1_4=3, var_1_5=32, var_1_9=1] [L64] CALL assume_abort_if_not(var_1_3 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=5, var_1_12=1, var_1_13=1, var_1_14=8, var_1_1=2, var_1_3=-1, var_1_4=3, var_1_5=32, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=5, var_1_12=1, var_1_13=1, var_1_14=8, var_1_1=2, var_1_3=-1, var_1_4=3, var_1_5=32, var_1_9=1] [L64] RET assume_abort_if_not(var_1_3 <= 2147483647) VAL [isInitial=1, var_1_10=8, var_1_11=5, var_1_12=1, var_1_13=1, var_1_14=8, var_1_1=2, var_1_3=-1, var_1_4=3, var_1_5=32, var_1_9=1] [L65] var_1_4 = __VERIFIER_nondet_long() [L66] CALL assume_abort_if_not(var_1_4 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=5, var_1_12=1, var_1_13=1, var_1_14=8, var_1_1=2, var_1_3=-1, var_1_4=-1, var_1_5=32, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=5, var_1_12=1, var_1_13=1, var_1_14=8, var_1_1=2, var_1_3=-1, var_1_4=-1, var_1_5=32, var_1_9=1] [L66] RET assume_abort_if_not(var_1_4 >= -2147483648) VAL [isInitial=1, var_1_10=8, var_1_11=5, var_1_12=1, var_1_13=1, var_1_14=8, var_1_1=2, var_1_3=-1, var_1_4=-1, var_1_5=32, var_1_9=1] [L67] CALL assume_abort_if_not(var_1_4 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=5, var_1_12=1, var_1_13=1, var_1_14=8, var_1_1=2, var_1_3=-1, var_1_4=-1, var_1_5=32, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=5, var_1_12=1, var_1_13=1, var_1_14=8, var_1_1=2, var_1_3=-1, var_1_4=-1, var_1_5=32, var_1_9=1] [L67] RET assume_abort_if_not(var_1_4 <= 2147483647) VAL [isInitial=1, var_1_10=8, var_1_11=5, var_1_12=1, var_1_13=1, var_1_14=8, var_1_1=2, var_1_3=-1, var_1_4=-1, var_1_5=32, var_1_9=1] [L68] var_1_11 = __VERIFIER_nondet_uchar() [L69] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_12=1, var_1_13=1, var_1_14=8, var_1_1=2, var_1_3=-1, var_1_4=-1, var_1_5=32, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_12=1, var_1_13=1, var_1_14=8, var_1_1=2, var_1_3=-1, var_1_4=-1, var_1_5=32, var_1_9=1] [L69] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, var_1_10=8, var_1_12=1, var_1_13=1, var_1_14=8, var_1_1=2, var_1_3=-1, var_1_4=-1, var_1_5=32, var_1_9=1] [L70] CALL assume_abort_if_not(var_1_11 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=254, var_1_12=1, var_1_13=1, var_1_14=8, var_1_1=2, var_1_3=-1, var_1_4=-1, var_1_5=32, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=254, var_1_12=1, var_1_13=1, var_1_14=8, var_1_1=2, var_1_3=-1, var_1_4=-1, var_1_5=32, var_1_9=1] [L70] RET assume_abort_if_not(var_1_11 <= 254) VAL [isInitial=1, var_1_10=8, var_1_11=254, var_1_12=1, var_1_13=1, var_1_14=8, var_1_1=2, var_1_3=-1, var_1_4=-1, var_1_5=32, var_1_9=1] [L71] var_1_13 = __VERIFIER_nondet_uchar() [L72] CALL assume_abort_if_not(var_1_13 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=254, var_1_12=1, var_1_13=-255, var_1_14=8, var_1_1=2, var_1_3=-1, var_1_4=-1, var_1_5=32, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=254, var_1_12=1, var_1_13=-255, var_1_14=8, var_1_1=2, var_1_3=-1, var_1_4=-1, var_1_5=32, var_1_9=1] [L72] RET assume_abort_if_not(var_1_13 >= 1) VAL [isInitial=1, var_1_10=8, var_1_11=254, var_1_12=1, var_1_13=-255, var_1_14=8, var_1_1=2, var_1_3=-1, var_1_4=-1, var_1_5=32, var_1_9=1] [L73] CALL assume_abort_if_not(var_1_13 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=254, var_1_12=1, var_1_13=-255, var_1_14=8, var_1_1=2, var_1_3=-1, var_1_4=-1, var_1_5=32, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=254, var_1_12=1, var_1_13=-255, var_1_14=8, var_1_1=2, var_1_3=-1, var_1_4=-1, var_1_5=32, var_1_9=1] [L73] RET assume_abort_if_not(var_1_13 <= 1) VAL [isInitial=1, var_1_10=8, var_1_11=254, var_1_12=1, var_1_13=-255, var_1_14=8, var_1_1=2, var_1_3=-1, var_1_4=-1, var_1_5=32, var_1_9=1] [L86] RET updateVariables() [L87] CALL step() [L35] var_1_12 = var_1_13 [L36] var_1_14 = var_1_11 VAL [isInitial=1, var_1_10=8, var_1_11=254, var_1_12=-255, var_1_13=-255, var_1_14=254, var_1_1=2, var_1_3=-1, var_1_4=-1, var_1_5=32, var_1_9=1] [L37] COND TRUE \read(var_1_12) [L38] var_1_1 = var_1_3 VAL [isInitial=1, var_1_10=8, var_1_11=254, var_1_12=-255, var_1_13=-255, var_1_14=254, var_1_1=-1, var_1_3=-1, var_1_4=-1, var_1_5=32, var_1_9=1] [L44] COND TRUE (var_1_1 + 8.125) > (var_1_1 * var_1_3) [L45] var_1_5 = (((((var_1_14 + var_1_14)) > (var_1_14)) ? ((var_1_14 + var_1_14)) : (var_1_14))) VAL [isInitial=1, var_1_10=8, var_1_11=254, var_1_12=-255, var_1_13=-255, var_1_14=254, var_1_1=-1, var_1_3=-1, var_1_4=-1, var_1_5=508, var_1_9=1] [L49] signed long int stepLocal_0 = 5 * var_1_14; VAL [isInitial=1, stepLocal_0=1270, var_1_10=8, var_1_11=254, var_1_12=-255, var_1_13=-255, var_1_14=254, var_1_1=-1, var_1_3=-1, var_1_4=-1, var_1_5=508, var_1_9=1] [L50] COND TRUE ((((var_1_3) < (var_1_1)) ? (var_1_3) : (var_1_1))) == var_1_1 VAL [isInitial=1, stepLocal_0=1270, var_1_10=8, var_1_11=254, var_1_12=-255, var_1_13=-255, var_1_14=254, var_1_1=-1, var_1_3=-1, var_1_4=-1, var_1_5=508, var_1_9=1] [L51] COND FALSE !(var_1_14 > stepLocal_0) VAL [isInitial=1, var_1_10=8, var_1_11=254, var_1_12=-255, var_1_13=-255, var_1_14=254, var_1_1=-1, var_1_3=-1, var_1_4=-1, var_1_5=508, var_1_9=1] [L57] COND FALSE !(var_1_1 < var_1_3) VAL [isInitial=1, var_1_10=8, var_1_11=254, var_1_12=-255, var_1_13=-255, var_1_14=254, var_1_1=-1, var_1_3=-1, var_1_4=-1, var_1_5=508, var_1_9=1] [L87] RET step() [L88] CALL, EXPR property() [L78-L79] return (((((var_1_12 ? (var_1_1 == ((signed long int) var_1_3)) : ((! (var_1_3 < var_1_4)) ? (var_1_1 == ((signed long int) ((((var_1_3) < 0 ) ? -(var_1_3) : (var_1_3))))) : 1)) && (((var_1_1 + 8.125) > (var_1_1 * var_1_3)) ? (var_1_5 == ((unsigned short int) (((((var_1_14 + var_1_14)) > (var_1_14)) ? ((var_1_14 + var_1_14)) : (var_1_14))))) : (var_1_5 == ((unsigned short int) var_1_14)))) && ((((((var_1_3) < (var_1_1)) ? (var_1_3) : (var_1_1))) == var_1_1) ? ((var_1_14 > (5 * var_1_14)) ? ((var_1_1 < (var_1_1 * 256.5f)) ? (var_1_9 == ((unsigned short int) var_1_14)) : 1) : 1) : 1)) && ((var_1_1 < var_1_3) ? (var_1_10 == ((unsigned char) var_1_11)) : 1)) && (var_1_12 == ((unsigned char) var_1_13))) && (var_1_14 == ((unsigned char) var_1_11)) ; VAL [\result=0, isInitial=1, var_1_10=8, var_1_11=254, var_1_12=-255, var_1_13=-255, var_1_14=254, var_1_1=-1, var_1_3=-1, var_1_4=-1, var_1_5=508, var_1_9=1] [L88] RET, EXPR property() [L88] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=8, var_1_11=254, var_1_12=-255, var_1_13=-255, var_1_14=254, var_1_1=-1, var_1_3=-1, var_1_4=-1, var_1_5=508, var_1_9=1] [L19] reach_error() VAL [isInitial=1, var_1_10=8, var_1_11=254, var_1_12=-255, var_1_13=-255, var_1_14=254, var_1_1=-1, var_1_3=-1, var_1_4=-1, var_1_5=508, var_1_9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 39 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.4s, OverallIterations: 5, TraceHistogramMax: 8, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 97 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 96 mSDsluCounter, 318 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 146 mSDsCounter, 33 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 99 IncrementalHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 33 mSolverCounterUnsat, 172 mSDtfsCounter, 99 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 147 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=42occurred in iteration=3, InterpolantAutomatonStates: 21, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 21 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 353 NumberOfCodeBlocks, 353 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 289 ConstructedInterpolants, 0 QuantifiedInterpolants, 395 SizeOfPredicates, 1 NumberOfNonLiveVariables, 154 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 5 InterpolantComputations, 4 PerfectInterpolantSequences, 557/560 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-07 07:46:43,884 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_floatingpointinfluence_no-floats_file-29.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 9895c65ddd0a757601efacae1236f009f563ee992f30a3895b216cc56df077ed --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 07:46:46,073 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 07:46:46,180 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-07 07:46:46,185 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 07:46:46,186 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 07:46:46,216 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 07:46:46,217 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 07:46:46,217 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 07:46:46,217 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 07:46:46,218 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 07:46:46,218 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 07:46:46,218 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 07:46:46,218 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 07:46:46,218 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 07:46:46,218 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 07:46:46,218 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 07:46:46,218 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 07:46:46,218 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 07:46:46,218 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 07:46:46,219 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 07:46:46,219 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 07:46:46,219 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 07:46:46,219 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 07:46:46,219 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-07 07:46:46,219 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-07 07:46:46,219 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 07:46:46,219 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-07 07:46:46,222 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 07:46:46,222 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 07:46:46,222 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 07:46:46,222 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 07:46:46,222 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 07:46:46,222 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 07:46:46,223 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 07:46:46,223 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 07:46:46,223 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 07:46:46,224 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 07:46:46,224 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 07:46:46,224 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-07 07:46:46,224 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-07 07:46:46,224 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 07:46:46,224 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 07:46:46,224 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 07:46:46,224 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 07:46:46,224 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 -> 9895c65ddd0a757601efacae1236f009f563ee992f30a3895b216cc56df077ed [2024-11-07 07:46:46,523 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 07:46:46,534 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 07:46:46,536 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 07:46:46,537 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 07:46:46,538 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 07:46:46,541 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-29.i [2024-11-07 07:46:47,875 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 07:46:48,129 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 07:46:48,131 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-29.i [2024-11-07 07:46:48,139 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/599911a18/70e3a7e0c92949549e2581f7c6a37beb/FLAG8da5485c8 [2024-11-07 07:46:48,159 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/599911a18/70e3a7e0c92949549e2581f7c6a37beb [2024-11-07 07:46:48,161 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 07:46:48,163 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 07:46:48,165 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 07:46:48,165 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 07:46:48,169 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 07:46:48,169 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:46:48" (1/1) ... [2024-11-07 07:46:48,170 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13f6fbe1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:46:48, skipping insertion in model container [2024-11-07 07:46:48,170 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:46:48" (1/1) ... [2024-11-07 07:46:48,189 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 07:46:48,318 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-29.i[916,929] [2024-11-07 07:46:48,366 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 07:46:48,381 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 07:46:48,394 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-29.i[916,929] [2024-11-07 07:46:48,415 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 07:46:48,437 INFO L204 MainTranslator]: Completed translation [2024-11-07 07:46:48,438 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:46:48 WrapperNode [2024-11-07 07:46:48,438 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 07:46:48,439 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 07:46:48,439 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 07:46:48,440 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 07:46:48,446 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:46:48" (1/1) ... [2024-11-07 07:46:48,453 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:46:48" (1/1) ... [2024-11-07 07:46:48,472 INFO L138 Inliner]: procedures = 27, calls = 21, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 80 [2024-11-07 07:46:48,472 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 07:46:48,473 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 07:46:48,473 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 07:46:48,473 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 07:46:48,481 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:46:48" (1/1) ... [2024-11-07 07:46:48,481 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:46:48" (1/1) ... [2024-11-07 07:46:48,484 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:46:48" (1/1) ... [2024-11-07 07:46:48,492 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-07 07:46:48,492 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:46:48" (1/1) ... [2024-11-07 07:46:48,493 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:46:48" (1/1) ... [2024-11-07 07:46:48,503 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:46:48" (1/1) ... [2024-11-07 07:46:48,507 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:46:48" (1/1) ... [2024-11-07 07:46:48,509 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:46:48" (1/1) ... [2024-11-07 07:46:48,510 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:46:48" (1/1) ... [2024-11-07 07:46:48,512 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 07:46:48,513 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 07:46:48,513 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 07:46:48,513 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 07:46:48,514 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:46:48" (1/1) ... [2024-11-07 07:46:48,519 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 07:46:48,532 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 07:46:48,545 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-07 07:46:48,548 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-07 07:46:48,568 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 07:46:48,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-07 07:46:48,568 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 07:46:48,569 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 07:46:48,569 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 07:46:48,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 07:46:48,627 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 07:46:48,628 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 07:46:52,572 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-07 07:46:52,573 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 07:46:52,583 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 07:46:52,584 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-07 07:46:52,585 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:46:52 BoogieIcfgContainer [2024-11-07 07:46:52,585 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 07:46:52,588 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 07:46:52,589 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 07:46:52,593 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 07:46:52,594 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 07:46:48" (1/3) ... [2024-11-07 07:46:52,594 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bf8e836 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 07:46:52, skipping insertion in model container [2024-11-07 07:46:52,595 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:46:48" (2/3) ... [2024-11-07 07:46:52,595 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bf8e836 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 07:46:52, skipping insertion in model container [2024-11-07 07:46:52,595 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:46:52" (3/3) ... [2024-11-07 07:46:52,596 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-29.i [2024-11-07 07:46:52,612 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 07:46:52,613 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-07 07:46:52,669 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 07:46:52,682 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;@2b7cf26a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 07:46:52,684 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-07 07:46:52,688 INFO L276 IsEmpty]: Start isEmpty. Operand has 39 states, 28 states have (on average 1.4285714285714286) internal successors, (40), 29 states have internal predecessors, (40), 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 07:46:52,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-07 07:46:52,695 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 07:46:52,696 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 07:46:52,696 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 07:46:52,702 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 07:46:52,702 INFO L85 PathProgramCache]: Analyzing trace with hash -1385980831, now seen corresponding path program 1 times [2024-11-07 07:46:52,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 07:46:52,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [416393446] [2024-11-07 07:46:52,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 07:46:52,714 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-07 07:46:52,717 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 07:46:52,721 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-07 07:46:52,724 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-07 07:46:52,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:46:52,943 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-07 07:46:52,949 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 07:46:53,037 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 07:46:53,038 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 07:46:53,038 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-07 07:46:53,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [416393446] [2024-11-07 07:46:53,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [416393446] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 07:46:53,039 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 07:46:53,040 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 07:46:53,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665869218] [2024-11-07 07:46:53,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 07:46:53,045 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 07:46:53,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-07 07:46:53,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 07:46:53,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 07:46:53,064 INFO L87 Difference]: Start difference. First operand has 39 states, 28 states have (on average 1.4285714285714286) internal successors, (40), 29 states have internal predecessors, (40), 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 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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 07:46:54,793 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-07 07:46:56,005 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-07 07:46:57,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 07:46:57,263 INFO L93 Difference]: Finished difference Result 85 states and 136 transitions. [2024-11-07 07:46:57,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 07:46:57,265 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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 58 [2024-11-07 07:46:57,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 07:46:57,270 INFO L225 Difference]: With dead ends: 85 [2024-11-07 07:46:57,271 INFO L226 Difference]: Without dead ends: 49 [2024-11-07 07:46:57,273 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 07:46:57,275 INFO L432 NwaCegarLoop]: 51 mSDtfsCounter, 14 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 84 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-11-07 07:46:57,276 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 84 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2024-11-07 07:46:57,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2024-11-07 07:46:57,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 41. [2024-11-07 07:46:57,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 31 states have (on average 1.3548387096774193) internal successors, (42), 31 states have internal predecessors, (42), 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 07:46:57,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 58 transitions. [2024-11-07 07:46:57,313 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 58 transitions. Word has length 58 [2024-11-07 07:46:57,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 07:46:57,315 INFO L471 AbstractCegarLoop]: Abstraction has 41 states and 58 transitions. [2024-11-07 07:46:57,315 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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 07:46:57,315 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2024-11-07 07:46:57,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-07 07:46:57,317 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 07:46:57,317 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 07:46:57,327 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2024-11-07 07:46:57,518 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-07 07:46:57,518 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 07:46:57,519 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 07:46:57,519 INFO L85 PathProgramCache]: Analyzing trace with hash 1143791801, now seen corresponding path program 1 times [2024-11-07 07:46:57,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 07:46:57,519 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [71722442] [2024-11-07 07:46:57,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 07:46:57,520 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-07 07:46:57,520 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 07:46:57,522 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-07 07:46:57,523 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-07 07:46:57,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:46:57,686 INFO L255 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-07 07:46:57,691 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 07:46:58,059 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 07:46:58,062 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 07:46:58,062 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-07 07:46:58,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [71722442] [2024-11-07 07:46:58,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [71722442] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 07:46:58,062 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 07:46:58,062 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-07 07:46:58,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697494298] [2024-11-07 07:46:58,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 07:46:58,065 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 07:46:58,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-07 07:46:58,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 07:46:58,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-11-07 07:46:58,066 INFO L87 Difference]: Start difference. First operand 41 states and 58 transitions. Second operand has 9 states, 9 states have (on average 3.111111111111111) internal successors, (28), 7 states have internal predecessors, (28), 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 07:46:58,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 07:46:58,919 INFO L93 Difference]: Finished difference Result 82 states and 108 transitions. [2024-11-07 07:46:58,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-07 07:46:58,947 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.111111111111111) internal successors, (28), 7 states have internal predecessors, (28), 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 59 [2024-11-07 07:46:58,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 07:46:58,948 INFO L225 Difference]: With dead ends: 82 [2024-11-07 07:46:58,948 INFO L226 Difference]: Without dead ends: 44 [2024-11-07 07:46:58,949 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=93, Invalid=213, Unknown=0, NotChecked=0, Total=306 [2024-11-07 07:46:58,949 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 85 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-07 07:46:58,950 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 80 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-07 07:46:58,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2024-11-07 07:46:58,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 42. [2024-11-07 07:46:58,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 30 states have (on average 1.1333333333333333) internal successors, (34), 30 states have internal predecessors, (34), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-07 07:46:58,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 50 transitions. [2024-11-07 07:46:58,957 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 50 transitions. Word has length 59 [2024-11-07 07:46:58,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 07:46:58,957 INFO L471 AbstractCegarLoop]: Abstraction has 42 states and 50 transitions. [2024-11-07 07:46:58,957 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.111111111111111) internal successors, (28), 7 states have internal predecessors, (28), 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 07:46:58,958 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 50 transitions. [2024-11-07 07:46:58,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-07 07:46:58,959 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 07:46:58,959 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 07:46:58,967 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 07:46:59,159 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 07:46:59,160 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 07:46:59,160 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 07:46:59,160 INFO L85 PathProgramCache]: Analyzing trace with hash 241804005, now seen corresponding path program 1 times [2024-11-07 07:46:59,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 07:46:59,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1989542447] [2024-11-07 07:46:59,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 07:46:59,161 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-07 07:46:59,161 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 07:46:59,164 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 07:46:59,165 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 07:46:59,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:46:59,301 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-07 07:46:59,306 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 07:47:30,116 WARN L286 SmtUtils]: Spent 7.82s on a formula simplification. DAG size of input: 34 DAG size of output: 28 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)