./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-62.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4f9af400 extending candidate: java ['java'] extending candidate: /usr/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/oracle-jdk-bin-*/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/openjdk-*/bin/java ['java', '/usr/bin/java'] extending candidate: /usr/lib/jvm/java-*-openjdk-amd64/bin/java ['java', '/usr/bin/java', '/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java', '/usr/lib/jvm/java-17-openjdk-amd64/bin/java', '/usr/lib/jvm/java-11-openjdk-amd64/bin/java', '/usr/lib/jvm/java-1.17.0-openjdk-amd64/bin/java'] ['/root/.sdkman/candidates/java/21.0.5-tem/bin/java', '-Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config', '-Xmx15G', '-Xms4m', '-jar', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar', '-data', '@noDefault', '-ultimatedata', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data', '-tc', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml', '-i', '../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-62.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', '7b3c7435982770834cfc131463d786948517df0041a2df466feb43cba8dfce9a'] Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-62.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 7b3c7435982770834cfc131463d786948517df0041a2df466feb43cba8dfce9a --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 09:32:51,221 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 09:32:51,316 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-07 09:32:51,322 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 09:32:51,352 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 09:32:51,389 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 09:32:51,390 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 09:32:51,390 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 09:32:51,391 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 09:32:51,391 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 09:32:51,391 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 09:32:51,391 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 09:32:51,392 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 09:32:51,392 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 09:32:51,392 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 09:32:51,392 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 09:32:51,392 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 09:32:51,392 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 09:32:51,392 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 09:32:51,393 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 09:32:51,393 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 09:32:51,393 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 09:32:51,393 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 09:32:51,393 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 09:32:51,393 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 09:32:51,393 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 09:32:51,394 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 09:32:51,394 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 09:32:51,394 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 09:32:51,394 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 09:32:51,394 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 09:32:51,394 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 09:32:51,394 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 09:32:51,395 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 09:32:51,396 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 09:32:51,396 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 09:32:51,396 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 09:32:51,396 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 09:32:51,396 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 09:32:51,397 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 09:32:51,397 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 09:32:51,397 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 09:32:51,397 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 -> 7b3c7435982770834cfc131463d786948517df0041a2df466feb43cba8dfce9a [2024-11-07 09:32:51,737 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 09:32:51,746 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 09:32:51,749 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 09:32:51,750 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 09:32:51,750 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 09:32:51,752 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-62.i [2024-11-07 09:32:53,174 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 09:32:53,487 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 09:32:53,488 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-62.i [2024-11-07 09:32:53,497 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/45251beb8/60b09fb3b3904bfab783011aee70d0ae/FLAGefdc73927 [2024-11-07 09:32:53,518 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/45251beb8/60b09fb3b3904bfab783011aee70d0ae [2024-11-07 09:32:53,525 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 09:32:53,531 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 09:32:53,532 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 09:32:53,532 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 09:32:53,537 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 09:32:53,538 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 09:32:53" (1/1) ... [2024-11-07 09:32:53,541 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@472370ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:32:53, skipping insertion in model container [2024-11-07 09:32:53,541 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 09:32:53" (1/1) ... [2024-11-07 09:32:53,556 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 09:32:53,663 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-62.i[915,928] [2024-11-07 09:32:53,712 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 09:32:53,729 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 09:32:53,742 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-62.i[915,928] [2024-11-07 09:32:53,764 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 09:32:53,782 INFO L204 MainTranslator]: Completed translation [2024-11-07 09:32:53,783 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:32:53 WrapperNode [2024-11-07 09:32:53,783 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 09:32:53,784 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 09:32:53,784 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 09:32:53,785 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 09:32:53,790 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:32:53" (1/1) ... [2024-11-07 09:32:53,798 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:32:53" (1/1) ... [2024-11-07 09:32:53,827 INFO L138 Inliner]: procedures = 26, calls = 27, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 103 [2024-11-07 09:32:53,830 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 09:32:53,831 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 09:32:53,831 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 09:32:53,832 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 09:32:53,841 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:32:53" (1/1) ... [2024-11-07 09:32:53,841 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:32:53" (1/1) ... [2024-11-07 09:32:53,847 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:32:53" (1/1) ... [2024-11-07 09:32:53,869 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-07 09:32:53,870 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:32:53" (1/1) ... [2024-11-07 09:32:53,871 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:32:53" (1/1) ... [2024-11-07 09:32:53,875 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:32:53" (1/1) ... [2024-11-07 09:32:53,884 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:32:53" (1/1) ... [2024-11-07 09:32:53,889 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:32:53" (1/1) ... [2024-11-07 09:32:53,890 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:32:53" (1/1) ... [2024-11-07 09:32:53,892 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 09:32:53,893 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 09:32:53,896 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 09:32:53,896 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 09:32:53,897 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:32:53" (1/1) ... [2024-11-07 09:32:53,907 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 09:32:53,925 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 09:32:53,944 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-07 09:32:53,948 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-07 09:32:53,971 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 09:32:53,971 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 09:32:53,971 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 09:32:53,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 09:32:53,972 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 09:32:53,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 09:32:54,047 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 09:32:54,049 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 09:32:54,192 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-07 09:32:54,192 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 09:32:54,199 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 09:32:54,199 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-07 09:32:54,200 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 09:32:54 BoogieIcfgContainer [2024-11-07 09:32:54,200 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 09:32:54,202 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 09:32:54,202 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 09:32:54,207 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 09:32:54,207 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 09:32:53" (1/3) ... [2024-11-07 09:32:54,208 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@317ef026 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 09:32:54, skipping insertion in model container [2024-11-07 09:32:54,208 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:32:53" (2/3) ... [2024-11-07 09:32:54,209 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@317ef026 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 09:32:54, skipping insertion in model container [2024-11-07 09:32:54,209 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 09:32:54" (3/3) ... [2024-11-07 09:32:54,211 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount25_file-62.i [2024-11-07 09:32:54,225 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 09:32:54,226 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-07 09:32:54,277 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 09:32:54,292 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;@b9095c1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 09:32:54,295 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-07 09:32:54,302 INFO L276 IsEmpty]: Start isEmpty. Operand has 46 states, 29 states have (on average 1.3103448275862069) internal successors, (38), 30 states have internal predecessors, (38), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-07 09:32:54,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-07 09:32:54,314 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 09:32:54,315 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 09:32:54,315 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 09:32:54,320 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 09:32:54,321 INFO L85 PathProgramCache]: Analyzing trace with hash 1942112404, now seen corresponding path program 1 times [2024-11-07 09:32:54,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 09:32:54,327 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936804180] [2024-11-07 09:32:54,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 09:32:54,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 09:32:54,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:32:54,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 09:32:54,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:32:54,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 09:32:54,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:32:54,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 09:32:54,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:32:54,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 09:32:54,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:32:54,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 09:32:54,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:32:54,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 09:32:54,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:32:54,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 09:32:54,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:32:54,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 09:32:54,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:32:54,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 09:32:54,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:32:54,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 09:32:54,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:32:54,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 09:32:54,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:32:54,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 09:32:54,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:32:54,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-07 09:32:54,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:32:54,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-07 09:32:54,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:32:54,561 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-07 09:32:54,561 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 09:32:54,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [936804180] [2024-11-07 09:32:54,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [936804180] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 09:32:54,562 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 09:32:54,562 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 09:32:54,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669708924] [2024-11-07 09:32:54,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 09:32:54,571 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-07 09:32:54,572 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 09:32:54,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-07 09:32:54,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-07 09:32:54,589 INFO L87 Difference]: Start difference. First operand has 46 states, 29 states have (on average 1.3103448275862069) internal successors, (38), 30 states have internal predecessors, (38), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-07 09:32:54,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 09:32:54,610 INFO L93 Difference]: Finished difference Result 85 states and 140 transitions. [2024-11-07 09:32:54,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-07 09:32:54,612 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) Word has length 91 [2024-11-07 09:32:54,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 09:32:54,616 INFO L225 Difference]: With dead ends: 85 [2024-11-07 09:32:54,616 INFO L226 Difference]: Without dead ends: 42 [2024-11-07 09:32:54,618 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-07 09:32:54,620 INFO L432 NwaCegarLoop]: 59 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 09:32:54,621 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 09:32:54,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2024-11-07 09:32:54,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2024-11-07 09:32:54,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 26 states have (on average 1.1923076923076923) internal successors, (31), 26 states have internal predecessors, (31), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-07 09:32:54,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 59 transitions. [2024-11-07 09:32:54,656 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 59 transitions. Word has length 91 [2024-11-07 09:32:54,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 09:32:54,657 INFO L471 AbstractCegarLoop]: Abstraction has 42 states and 59 transitions. [2024-11-07 09:32:54,658 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-07 09:32:54,658 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 59 transitions. [2024-11-07 09:32:54,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-07 09:32:54,664 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 09:32:54,664 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 09:32:54,664 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 09:32:54,665 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 09:32:54,665 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 09:32:54,665 INFO L85 PathProgramCache]: Analyzing trace with hash 1958631132, now seen corresponding path program 1 times [2024-11-07 09:32:54,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 09:32:54,665 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1903812724] [2024-11-07 09:32:54,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 09:32:54,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 09:32:54,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 09:32:54,798 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-07 09:32:54,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 09:32:54,890 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-07 09:32:54,890 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-07 09:32:54,892 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-07 09:32:54,893 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 09:32:54,897 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-07 09:32:54,980 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-07 09:32:54,983 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 09:32:54 BoogieIcfgContainer [2024-11-07 09:32:54,983 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-07 09:32:54,984 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-07 09:32:54,984 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-07 09:32:54,984 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-07 09:32:54,985 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 09:32:54" (3/4) ... [2024-11-07 09:32:54,986 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-07 09:32:54,987 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-07 09:32:54,988 INFO L158 Benchmark]: Toolchain (without parser) took 1460.44ms. Allocated memory is still 142.6MB. Free memory was 116.8MB in the beginning and 111.1MB in the end (delta: 5.7MB). Peak memory consumption was 4.8MB. Max. memory is 16.1GB. [2024-11-07 09:32:54,988 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 117.4MB. Free memory is still 81.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 09:32:54,988 INFO L158 Benchmark]: CACSL2BoogieTranslator took 251.42ms. Allocated memory is still 142.6MB. Free memory was 116.6MB in the beginning and 104.3MB in the end (delta: 12.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-07 09:32:54,988 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.15ms. Allocated memory is still 142.6MB. Free memory was 104.3MB in the beginning and 102.7MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-07 09:32:54,989 INFO L158 Benchmark]: Boogie Preprocessor took 60.58ms. Allocated memory is still 142.6MB. Free memory was 102.7MB in the beginning and 101.0MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 09:32:54,989 INFO L158 Benchmark]: RCFGBuilder took 307.02ms. Allocated memory is still 142.6MB. Free memory was 101.0MB in the beginning and 87.9MB in the end (delta: 13.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-07 09:32:54,989 INFO L158 Benchmark]: TraceAbstraction took 781.00ms. Allocated memory is still 142.6MB. Free memory was 87.4MB in the beginning and 111.9MB in the end (delta: -24.5MB). Peak memory consumption was 46.8MB. Max. memory is 16.1GB. [2024-11-07 09:32:54,989 INFO L158 Benchmark]: Witness Printer took 3.55ms. Allocated memory is still 142.6MB. Free memory was 111.9MB in the beginning and 111.1MB in the end (delta: 763.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 09:32:54,995 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 117.4MB. Free memory is still 81.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 251.42ms. Allocated memory is still 142.6MB. Free memory was 116.6MB in the beginning and 104.3MB in the end (delta: 12.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.15ms. Allocated memory is still 142.6MB. Free memory was 104.3MB in the beginning and 102.7MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.58ms. Allocated memory is still 142.6MB. Free memory was 102.7MB in the beginning and 101.0MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 307.02ms. Allocated memory is still 142.6MB. Free memory was 101.0MB in the beginning and 87.9MB in the end (delta: 13.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 781.00ms. Allocated memory is still 142.6MB. Free memory was 87.4MB in the beginning and 111.9MB in the end (delta: -24.5MB). Peak memory consumption was 46.8MB. Max. memory is 16.1GB. * Witness Printer took 3.55ms. Allocated memory is still 142.6MB. Free memory was 111.9MB in the beginning and 111.1MB in the end (delta: 763.9kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 87. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed char var_1_1 = 32; [L23] signed char var_1_2 = -128; [L24] unsigned char var_1_3 = 1; [L25] signed char var_1_4 = -5; [L26] unsigned char var_1_5 = 16; [L27] unsigned char var_1_9 = 25; [L28] float var_1_10 = 2.5; [L29] signed char var_1_11 = 1; [L30] signed char var_1_12 = 4; [L31] float var_1_13 = 7.75; [L32] float var_1_14 = 64.75; [L33] float var_1_15 = 256.52; [L34] float var_1_16 = 3.25; VAL [isInitial=0, var_1_10=5/2, var_1_11=1, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=-5, var_1_5=16, var_1_9=25] [L91] isInitial = 1 [L92] FCALL initially() [L93] COND TRUE 1 [L94] FCALL updateLastVariables() [L95] CALL updateVariables() [L60] var_1_3 = __VERIFIER_nondet_uchar() [L61] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=5/2, var_1_11=1, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_4=-5, var_1_5=16, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=5/2, var_1_11=1, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_4=-5, var_1_5=16, var_1_9=25] [L61] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_10=5/2, var_1_11=1, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_4=-5, var_1_5=16, var_1_9=25] [L62] CALL assume_abort_if_not(var_1_3 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=5/2, var_1_11=1, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=-5, var_1_5=16, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=5/2, var_1_11=1, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=-5, var_1_5=16, var_1_9=25] [L62] RET assume_abort_if_not(var_1_3 <= 1) VAL [isInitial=1, var_1_10=5/2, var_1_11=1, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=-5, var_1_5=16, var_1_9=25] [L63] var_1_4 = __VERIFIER_nondet_char() [L64] CALL assume_abort_if_not(var_1_4 >= -126) VAL [\old(cond)=1, isInitial=1, var_1_10=5/2, var_1_11=1, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=-1, var_1_5=16, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=5/2, var_1_11=1, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=-1, var_1_5=16, var_1_9=25] [L64] RET assume_abort_if_not(var_1_4 >= -126) VAL [isInitial=1, var_1_10=5/2, var_1_11=1, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=-1, var_1_5=16, var_1_9=25] [L65] CALL assume_abort_if_not(var_1_4 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=5/2, var_1_11=1, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=-1, var_1_5=16, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=5/2, var_1_11=1, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=-1, var_1_5=16, var_1_9=25] [L65] RET assume_abort_if_not(var_1_4 <= 126) VAL [isInitial=1, var_1_10=5/2, var_1_11=1, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=-1, var_1_5=16, var_1_9=25] [L66] var_1_9 = __VERIFIER_nondet_uchar() [L67] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=5/2, var_1_11=1, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=-1, var_1_5=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=5/2, var_1_11=1, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=-1, var_1_5=16] [L67] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, var_1_10=5/2, var_1_11=1, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=-1, var_1_5=16] [L68] CALL assume_abort_if_not(var_1_9 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_10=5/2, var_1_11=1, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=-1, var_1_5=16, var_1_9=254] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=5/2, var_1_11=1, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=-1, var_1_5=16, var_1_9=254] [L68] RET assume_abort_if_not(var_1_9 <= 254) VAL [isInitial=1, var_1_10=5/2, var_1_11=1, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=-1, var_1_5=16, var_1_9=254] [L69] var_1_11 = __VERIFIER_nondet_char() [L70] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=5/2, var_1_11=0, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=-1, var_1_5=16, var_1_9=254] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=5/2, var_1_11=0, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=-1, var_1_5=16, var_1_9=254] [L70] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, var_1_10=5/2, var_1_11=0, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=-1, var_1_5=16, var_1_9=254] [L71] CALL assume_abort_if_not(var_1_11 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=5/2, var_1_11=0, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=-1, var_1_5=16, var_1_9=254] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=5/2, var_1_11=0, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=-1, var_1_5=16, var_1_9=254] [L71] RET assume_abort_if_not(var_1_11 <= 63) VAL [isInitial=1, var_1_10=5/2, var_1_11=0, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=-1, var_1_5=16, var_1_9=254] [L72] var_1_12 = __VERIFIER_nondet_char() [L73] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=5/2, var_1_11=0, var_1_12=17, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=-1, var_1_5=16, var_1_9=254] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=5/2, var_1_11=0, var_1_12=17, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=-1, var_1_5=16, var_1_9=254] [L73] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, var_1_10=5/2, var_1_11=0, var_1_12=17, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=-1, var_1_5=16, var_1_9=254] [L74] CALL assume_abort_if_not(var_1_12 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=5/2, var_1_11=0, var_1_12=17, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=-1, var_1_5=16, var_1_9=254] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=5/2, var_1_11=0, var_1_12=17, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=-1, var_1_5=16, var_1_9=254] [L74] RET assume_abort_if_not(var_1_12 <= 127) VAL [isInitial=1, var_1_10=5/2, var_1_11=0, var_1_12=17, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=-1, var_1_5=16, var_1_9=254] [L75] var_1_13 = __VERIFIER_nondet_float() [L76] CALL assume_abort_if_not((var_1_13 >= -230584.3009213691390e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 2305843.009213691390e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=5/2, var_1_11=0, var_1_12=17, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=-1, var_1_5=16, var_1_9=254] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=5/2, var_1_11=0, var_1_12=17, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=-1, var_1_5=16, var_1_9=254] [L76] RET assume_abort_if_not((var_1_13 >= -230584.3009213691390e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 2305843.009213691390e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=5/2, var_1_11=0, var_1_12=17, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=-1, var_1_5=16, var_1_9=254] [L77] var_1_14 = __VERIFIER_nondet_float() [L78] CALL assume_abort_if_not((var_1_14 >= -461168.6018427382800e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427382800e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=5/2, var_1_11=0, var_1_12=17, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=-1, var_1_5=16, var_1_9=254] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=5/2, var_1_11=0, var_1_12=17, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=-1, var_1_5=16, var_1_9=254] [L78] RET assume_abort_if_not((var_1_14 >= -461168.6018427382800e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427382800e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=5/2, var_1_11=0, var_1_12=17, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=-1, var_1_5=16, var_1_9=254] [L79] var_1_15 = __VERIFIER_nondet_float() [L80] CALL assume_abort_if_not((var_1_15 >= 0.0F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=5/2, var_1_11=0, var_1_12=17, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=-1, var_1_5=16, var_1_9=254] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=5/2, var_1_11=0, var_1_12=17, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=-1, var_1_5=16, var_1_9=254] [L80] RET assume_abort_if_not((var_1_15 >= 0.0F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=5/2, var_1_11=0, var_1_12=17, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=-1, var_1_5=16, var_1_9=254] [L81] var_1_16 = __VERIFIER_nondet_float() [L82] CALL assume_abort_if_not((var_1_16 >= 0.0F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=5/2, var_1_11=0, var_1_12=17, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=-1, var_1_5=16, var_1_9=254] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=5/2, var_1_11=0, var_1_12=17, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=-1, var_1_5=16, var_1_9=254] [L82] RET assume_abort_if_not((var_1_16 >= 0.0F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=5/2, var_1_11=0, var_1_12=17, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=-1, var_1_5=16, var_1_9=254] [L95] RET updateVariables() [L96] CALL step() [L38] var_1_1 = (16 - 2) VAL [isInitial=1, var_1_10=5/2, var_1_11=0, var_1_12=17, var_1_1=14, var_1_2=-128, var_1_3=1, var_1_4=-1, var_1_5=16, var_1_9=254] [L39] COND TRUE \read(var_1_3) [L40] var_1_2 = ((((-4) < 0 ) ? -(-4) : (-4))) VAL [isInitial=1, var_1_10=5/2, var_1_11=0, var_1_12=17, var_1_1=14, var_1_2=4, var_1_3=1, var_1_4=-1, var_1_5=16, var_1_9=254] [L44] COND FALSE !(var_1_4 < ((16 + var_1_11) - var_1_12)) [L51] var_1_10 = var_1_14 VAL [isInitial=1, var_1_10=261, var_1_11=0, var_1_12=17, var_1_14=261, var_1_1=14, var_1_2=4, var_1_3=1, var_1_4=-1, var_1_5=16, var_1_9=254] [L53] COND TRUE (var_1_10 * var_1_10) > var_1_10 [L54] var_1_5 = (((((25) < (5)) ? (25) : (5))) + 10) VAL [isInitial=1, var_1_10=261, var_1_11=0, var_1_12=17, var_1_14=261, var_1_1=14, var_1_2=4, var_1_3=1, var_1_4=-1, var_1_5=15, var_1_9=254] [L96] RET step() [L97] CALL, EXPR property() [L87-L88] return (((var_1_1 == ((signed char) (16 - 2))) && (var_1_3 ? (var_1_2 == ((signed char) ((((-4) < 0 ) ? -(-4) : (-4))))) : (var_1_2 == ((signed char) ((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))))))) && (((var_1_10 * var_1_10) > var_1_10) ? (var_1_5 == ((unsigned char) (((((25) < (5)) ? (25) : (5))) + 10))) : (var_1_5 == ((unsigned char) var_1_9)))) && ((var_1_4 < ((16 + var_1_11) - var_1_12)) ? (var_1_3 ? (var_1_10 == ((float) ((var_1_13 + 50.6f) + var_1_14))) : (var_1_10 == ((float) (var_1_15 - var_1_16)))) : (var_1_10 == ((float) var_1_14))) ; VAL [\result=0, isInitial=1, var_1_10=261, var_1_11=0, var_1_12=17, var_1_14=261, var_1_1=14, var_1_2=4, var_1_3=1, var_1_4=-1, var_1_5=15, var_1_9=254] [L97] RET, EXPR property() [L97] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=261, var_1_11=0, var_1_12=17, var_1_14=261, var_1_1=14, var_1_2=4, var_1_3=1, var_1_4=-1, var_1_5=15, var_1_9=254] [L19] reach_error() VAL [isInitial=1, var_1_10=261, var_1_11=0, var_1_12=17, var_1_14=261, var_1_1=14, var_1_2=4, var_1_3=1, var_1_4=-1, var_1_5=15, var_1_9=254] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 46 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 14, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 59 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 59 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 44 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=46occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 182 NumberOfCodeBlocks, 182 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 90 ConstructedInterpolants, 0 QuantifiedInterpolants, 90 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 364/364 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-07 09:32:55,026 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-62.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 7b3c7435982770834cfc131463d786948517df0041a2df466feb43cba8dfce9a --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 09:32:57,319 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 09:32:57,445 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-07 09:32:57,453 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 09:32:57,454 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 09:32:57,482 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 09:32:57,483 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 09:32:57,483 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 09:32:57,484 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 09:32:57,484 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 09:32:57,485 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 09:32:57,485 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 09:32:57,485 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 09:32:57,485 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 09:32:57,486 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 09:32:57,486 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 09:32:57,486 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 09:32:57,486 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 09:32:57,486 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 09:32:57,486 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 09:32:57,486 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 09:32:57,486 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 09:32:57,487 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 09:32:57,487 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-07 09:32:57,487 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-07 09:32:57,487 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 09:32:57,487 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-07 09:32:57,487 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 09:32:57,487 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 09:32:57,487 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 09:32:57,488 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 09:32:57,488 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 09:32:57,488 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 09:32:57,488 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 09:32:57,489 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 09:32:57,489 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 09:32:57,489 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 09:32:57,489 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 09:32:57,489 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-07 09:32:57,489 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-07 09:32:57,489 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 09:32:57,489 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 09:32:57,490 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 09:32:57,490 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 09:32:57,490 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 -> 7b3c7435982770834cfc131463d786948517df0041a2df466feb43cba8dfce9a [2024-11-07 09:32:57,813 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 09:32:57,822 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 09:32:57,824 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 09:32:57,826 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 09:32:57,826 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 09:32:57,830 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-62.i [2024-11-07 09:32:59,270 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 09:32:59,510 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 09:32:59,511 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-62.i [2024-11-07 09:32:59,518 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/10483a1cb/fd8df4222c3e4d64a75aec0dbeb35a22/FLAGec42438e1 [2024-11-07 09:32:59,846 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/10483a1cb/fd8df4222c3e4d64a75aec0dbeb35a22 [2024-11-07 09:32:59,849 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 09:32:59,857 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 09:32:59,858 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 09:32:59,858 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 09:32:59,866 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 09:32:59,867 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 09:32:59" (1/1) ... [2024-11-07 09:32:59,872 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@596c8f00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:32:59, skipping insertion in model container [2024-11-07 09:32:59,872 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 09:32:59" (1/1) ... [2024-11-07 09:32:59,890 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 09:33:00,039 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-62.i[915,928] [2024-11-07 09:33:00,090 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 09:33:00,105 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 09:33:00,114 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-62.i[915,928] [2024-11-07 09:33:00,126 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 09:33:00,140 INFO L204 MainTranslator]: Completed translation [2024-11-07 09:33:00,140 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:33:00 WrapperNode [2024-11-07 09:33:00,140 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 09:33:00,141 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 09:33:00,142 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 09:33:00,142 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 09:33:00,147 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:33:00" (1/1) ... [2024-11-07 09:33:00,154 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:33:00" (1/1) ... [2024-11-07 09:33:00,168 INFO L138 Inliner]: procedures = 27, calls = 27, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 100 [2024-11-07 09:33:00,168 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 09:33:00,169 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 09:33:00,169 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 09:33:00,169 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 09:33:00,176 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:33:00" (1/1) ... [2024-11-07 09:33:00,176 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:33:00" (1/1) ... [2024-11-07 09:33:00,178 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:33:00" (1/1) ... [2024-11-07 09:33:00,187 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-07 09:33:00,188 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:33:00" (1/1) ... [2024-11-07 09:33:00,188 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:33:00" (1/1) ... [2024-11-07 09:33:00,194 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:33:00" (1/1) ... [2024-11-07 09:33:00,200 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:33:00" (1/1) ... [2024-11-07 09:33:00,202 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:33:00" (1/1) ... [2024-11-07 09:33:00,202 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:33:00" (1/1) ... [2024-11-07 09:33:00,204 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 09:33:00,205 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 09:33:00,205 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 09:33:00,205 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 09:33:00,206 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:33:00" (1/1) ... [2024-11-07 09:33:00,211 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 09:33:00,221 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 09:33:00,233 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-07 09:33:00,236 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-07 09:33:00,254 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 09:33:00,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-07 09:33:00,254 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 09:33:00,254 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 09:33:00,255 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 09:33:00,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 09:33:00,323 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 09:33:00,324 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 09:33:01,526 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-07 09:33:01,526 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 09:33:01,548 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 09:33:01,548 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-07 09:33:01,548 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 09:33:01 BoogieIcfgContainer [2024-11-07 09:33:01,548 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 09:33:01,556 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 09:33:01,556 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 09:33:01,568 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 09:33:01,569 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 09:32:59" (1/3) ... [2024-11-07 09:33:01,569 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@257283e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 09:33:01, skipping insertion in model container [2024-11-07 09:33:01,570 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:33:00" (2/3) ... [2024-11-07 09:33:01,570 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@257283e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 09:33:01, skipping insertion in model container [2024-11-07 09:33:01,570 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 09:33:01" (3/3) ... [2024-11-07 09:33:01,571 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount25_file-62.i [2024-11-07 09:33:01,611 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 09:33:01,612 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-07 09:33:01,691 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 09:33:01,709 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;@6f18b26b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 09:33:01,710 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-07 09:33:01,720 INFO L276 IsEmpty]: Start isEmpty. Operand has 46 states, 29 states have (on average 1.3103448275862069) internal successors, (38), 30 states have internal predecessors, (38), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-07 09:33:01,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-07 09:33:01,733 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 09:33:01,734 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 09:33:01,735 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 09:33:01,742 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 09:33:01,742 INFO L85 PathProgramCache]: Analyzing trace with hash 1942112404, now seen corresponding path program 1 times [2024-11-07 09:33:01,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 09:33:01,757 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1652742578] [2024-11-07 09:33:01,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 09:33:01,758 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-07 09:33:01,761 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 09:33:01,764 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-07 09:33:01,767 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-07 09:33:02,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:33:02,114 INFO L255 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-07 09:33:02,121 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 09:33:02,149 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 170 proven. 0 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2024-11-07 09:33:02,150 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 09:33:02,150 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-07 09:33:02,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1652742578] [2024-11-07 09:33:02,154 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1652742578] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 09:33:02,154 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 09:33:02,154 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 09:33:02,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503199191] [2024-11-07 09:33:02,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 09:33:02,163 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-07 09:33:02,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-07 09:33:02,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-07 09:33:02,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-07 09:33:02,196 INFO L87 Difference]: Start difference. First operand has 46 states, 29 states have (on average 1.3103448275862069) internal successors, (38), 30 states have internal predecessors, (38), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-07 09:33:02,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 09:33:02,214 INFO L93 Difference]: Finished difference Result 85 states and 140 transitions. [2024-11-07 09:33:02,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-07 09:33:02,216 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 91 [2024-11-07 09:33:02,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 09:33:02,221 INFO L225 Difference]: With dead ends: 85 [2024-11-07 09:33:02,221 INFO L226 Difference]: Without dead ends: 42 [2024-11-07 09:33:02,223 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-07 09:33:02,225 INFO L432 NwaCegarLoop]: 59 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 09:33:02,226 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 09:33:02,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2024-11-07 09:33:02,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2024-11-07 09:33:02,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 26 states have (on average 1.1923076923076923) internal successors, (31), 26 states have internal predecessors, (31), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-07 09:33:02,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 59 transitions. [2024-11-07 09:33:02,261 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 59 transitions. Word has length 91 [2024-11-07 09:33:02,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 09:33:02,264 INFO L471 AbstractCegarLoop]: Abstraction has 42 states and 59 transitions. [2024-11-07 09:33:02,265 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-07 09:33:02,265 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 59 transitions. [2024-11-07 09:33:02,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-07 09:33:02,269 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 09:33:02,269 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 09:33:02,280 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-07 09:33:02,474 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-07 09:33:02,474 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 09:33:02,475 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 09:33:02,476 INFO L85 PathProgramCache]: Analyzing trace with hash 1958631132, now seen corresponding path program 1 times [2024-11-07 09:33:02,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 09:33:02,476 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1836139183] [2024-11-07 09:33:02,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 09:33:02,476 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-07 09:33:02,476 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 09:33:02,478 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-07 09:33:02,481 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-07 09:33:02,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:33:02,677 INFO L255 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-07 09:33:02,685 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 09:33:39,178 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 123 proven. 6 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-07 09:33:39,178 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 09:34:11,706 WARN L286 SmtUtils]: Spent 5.04s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)