./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-16.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4f9af400 extending candidate: java ['java'] extending candidate: /usr/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/oracle-jdk-bin-*/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/openjdk-*/bin/java ['java', '/usr/bin/java'] extending candidate: /usr/lib/jvm/java-*-openjdk-amd64/bin/java ['java', '/usr/bin/java', '/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java', '/usr/lib/jvm/java-17-openjdk-amd64/bin/java', '/usr/lib/jvm/java-11-openjdk-amd64/bin/java', '/usr/lib/jvm/java-1.17.0-openjdk-amd64/bin/java'] ['/root/.sdkman/candidates/java/21.0.5-tem/bin/java', '-Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config', '-Xmx15G', '-Xms4m', '-jar', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar', '-data', '@noDefault', '-ultimatedata', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data', '-tc', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml', '-i', '../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-16.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', '0f3c671fd90b32c42295a3fff7f6ed38c1953794fa7bfd867d0ac70cf5a873bc'] Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-16.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 0f3c671fd90b32c42295a3fff7f6ed38c1953794fa7bfd867d0ac70cf5a873bc --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 09:12:51,105 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 09:12:51,197 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-07 09:12:51,202 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 09:12:51,202 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 09:12:51,233 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 09:12:51,234 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 09:12:51,234 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 09:12:51,235 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 09:12:51,235 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 09:12:51,236 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 09:12:51,236 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 09:12:51,236 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 09:12:51,236 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 09:12:51,236 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 09:12:51,237 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 09:12:51,237 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 09:12:51,237 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 09:12:51,237 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 09:12:51,237 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 09:12:51,237 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 09:12:51,237 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 09:12:51,237 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 09:12:51,238 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 09:12:51,238 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 09:12:51,238 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 09:12:51,238 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 09:12:51,238 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 09:12:51,239 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 09:12:51,239 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 09:12:51,239 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 09:12:51,239 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 09:12:51,239 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 09:12:51,239 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 09:12:51,240 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 09:12:51,240 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 09:12:51,240 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 09:12:51,240 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 09:12:51,240 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 09:12:51,241 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 09:12:51,241 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 09:12:51,241 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 09:12:51,241 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 -> 0f3c671fd90b32c42295a3fff7f6ed38c1953794fa7bfd867d0ac70cf5a873bc [2024-11-07 09:12:51,552 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 09:12:51,563 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 09:12:51,566 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 09:12:51,567 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 09:12:51,567 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 09:12:51,570 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-16.i [2024-11-07 09:12:52,869 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 09:12:53,106 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 09:12:53,107 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-16.i [2024-11-07 09:12:53,113 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/769724430/acf8328d0e434dca9982663f50f88cf6/FLAG4c5ace8b6 [2024-11-07 09:12:53,128 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/769724430/acf8328d0e434dca9982663f50f88cf6 [2024-11-07 09:12:53,130 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 09:12:53,131 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 09:12:53,133 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 09:12:53,133 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 09:12:53,138 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 09:12:53,139 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 09:12:53" (1/1) ... [2024-11-07 09:12:53,141 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36a6a261 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:12:53, skipping insertion in model container [2024-11-07 09:12:53,141 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 09:12:53" (1/1) ... [2024-11-07 09:12:53,156 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 09:12:53,271 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-16.i[915,928] [2024-11-07 09:12:53,310 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 09:12:53,321 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 09:12:53,330 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-16.i[915,928] [2024-11-07 09:12:53,342 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 09:12:53,357 INFO L204 MainTranslator]: Completed translation [2024-11-07 09:12:53,358 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:12:53 WrapperNode [2024-11-07 09:12:53,359 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 09:12:53,360 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 09:12:53,361 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 09:12:53,361 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 09:12:53,368 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:12:53" (1/1) ... [2024-11-07 09:12:53,375 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:12:53" (1/1) ... [2024-11-07 09:12:53,396 INFO L138 Inliner]: procedures = 26, calls = 20, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 66 [2024-11-07 09:12:53,399 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 09:12:53,399 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 09:12:53,400 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 09:12:53,400 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 09:12:53,408 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:12:53" (1/1) ... [2024-11-07 09:12:53,409 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:12:53" (1/1) ... [2024-11-07 09:12:53,410 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:12:53" (1/1) ... [2024-11-07 09:12:53,428 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 09:12:53,428 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:12:53" (1/1) ... [2024-11-07 09:12:53,429 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:12:53" (1/1) ... [2024-11-07 09:12:53,435 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:12:53" (1/1) ... [2024-11-07 09:12:53,442 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:12:53" (1/1) ... [2024-11-07 09:12:53,443 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:12:53" (1/1) ... [2024-11-07 09:12:53,443 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:12:53" (1/1) ... [2024-11-07 09:12:53,449 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 09:12:53,450 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 09:12:53,450 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 09:12:53,450 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 09:12:53,451 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:12:53" (1/1) ... [2024-11-07 09:12:53,459 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 09:12:53,473 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 09:12:53,489 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 09:12:53,495 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 09:12:53,516 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 09:12:53,516 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 09:12:53,516 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 09:12:53,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 09:12:53,517 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 09:12:53,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 09:12:53,592 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 09:12:53,594 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 09:12:53,750 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-07 09:12:53,751 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 09:12:53,762 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 09:12:53,762 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-07 09:12:53,763 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 09:12:53 BoogieIcfgContainer [2024-11-07 09:12:53,763 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 09:12:53,765 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 09:12:53,765 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 09:12:53,770 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 09:12:53,770 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 09:12:53" (1/3) ... [2024-11-07 09:12:53,770 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b0fb07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 09:12:53, skipping insertion in model container [2024-11-07 09:12:53,771 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:12:53" (2/3) ... [2024-11-07 09:12:53,772 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b0fb07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 09:12:53, skipping insertion in model container [2024-11-07 09:12:53,773 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 09:12:53" (3/3) ... [2024-11-07 09:12:53,774 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-16.i [2024-11-07 09:12:53,788 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 09:12:53,789 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-07 09:12:53,839 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 09:12:53,851 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;@22253469, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 09:12:53,851 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-07 09:12:53,856 INFO L276 IsEmpty]: Start isEmpty. Operand has 32 states, 22 states have (on average 1.2727272727272727) internal successors, (28), 23 states have internal predecessors, (28), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-07 09:12:53,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-07 09:12:53,865 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 09:12:53,866 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 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 09:12:53,866 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 09:12:53,871 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 09:12:53,872 INFO L85 PathProgramCache]: Analyzing trace with hash 2083022097, now seen corresponding path program 1 times [2024-11-07 09:12:53,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 09:12:53,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066242529] [2024-11-07 09:12:53,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 09:12:53,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 09:12:53,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:12:54,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 09:12:54,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:12:54,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 09:12:54,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:12:54,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 09:12:54,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:12:54,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 09:12:54,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:12:54,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 09:12:54,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:12:54,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 09:12:54,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:12:54,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 09:12:54,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:12:54,126 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-07 09:12:54,127 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 09:12:54,129 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1066242529] [2024-11-07 09:12:54,133 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1066242529] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 09:12:54,133 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 09:12:54,134 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 09:12:54,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814163200] [2024-11-07 09:12:54,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 09:12:54,143 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-07 09:12:54,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 09:12:54,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-07 09:12:54,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-07 09:12:54,172 INFO L87 Difference]: Start difference. First operand has 32 states, 22 states have (on average 1.2727272727272727) internal successors, (28), 23 states have internal predecessors, (28), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-07 09:12:54,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 09:12:54,193 INFO L93 Difference]: Finished difference Result 57 states and 85 transitions. [2024-11-07 09:12:54,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-07 09:12:54,196 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 2 states have call successors, (7) Word has length 50 [2024-11-07 09:12:54,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 09:12:54,202 INFO L225 Difference]: With dead ends: 57 [2024-11-07 09:12:54,202 INFO L226 Difference]: Without dead ends: 28 [2024-11-07 09:12:54,206 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 23 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 09:12:54,210 INFO L432 NwaCegarLoop]: 35 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, 35 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 09:12:54,211 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 09:12:54,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2024-11-07 09:12:54,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2024-11-07 09:12:54,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 19 states have (on average 1.105263157894737) internal successors, (21), 19 states have internal predecessors, (21), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-07 09:12:54,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 35 transitions. [2024-11-07 09:12:54,253 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 35 transitions. Word has length 50 [2024-11-07 09:12:54,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 09:12:54,254 INFO L471 AbstractCegarLoop]: Abstraction has 28 states and 35 transitions. [2024-11-07 09:12:54,254 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-07 09:12:54,254 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-07 09:12:54,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-07 09:12:54,257 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 09:12:54,258 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 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 09:12:54,258 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 09:12:54,258 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 09:12:54,260 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 09:12:54,262 INFO L85 PathProgramCache]: Analyzing trace with hash 1362863631, now seen corresponding path program 1 times [2024-11-07 09:12:54,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 09:12:54,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [937560698] [2024-11-07 09:12:54,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 09:12:54,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 09:12:54,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 09:12:54,362 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-07 09:12:54,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 09:12:54,453 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-07 09:12:54,454 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-07 09:12:54,456 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-07 09:12:54,458 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 09:12:54,461 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-07 09:12:54,512 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-07 09:12:54,517 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 09:12:54 BoogieIcfgContainer [2024-11-07 09:12:54,518 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-07 09:12:54,518 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-07 09:12:54,518 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-07 09:12:54,519 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-07 09:12:54,519 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 09:12:53" (3/4) ... [2024-11-07 09:12:54,522 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-07 09:12:54,522 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-07 09:12:54,524 INFO L158 Benchmark]: Toolchain (without parser) took 1391.90ms. Allocated memory is still 100.7MB. Free memory was 76.6MB in the beginning and 56.9MB in the end (delta: 19.7MB). Peak memory consumption was 20.9MB. Max. memory is 16.1GB. [2024-11-07 09:12:54,524 INFO L158 Benchmark]: CDTParser took 0.54ms. Allocated memory is still 83.9MB. Free memory is still 48.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 09:12:54,525 INFO L158 Benchmark]: CACSL2BoogieTranslator took 226.62ms. Allocated memory is still 100.7MB. Free memory was 76.5MB in the beginning and 65.2MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-07 09:12:54,525 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.92ms. Allocated memory is still 100.7MB. Free memory was 65.2MB in the beginning and 63.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 09:12:54,525 INFO L158 Benchmark]: Boogie Preprocessor took 49.31ms. Allocated memory is still 100.7MB. Free memory was 63.9MB in the beginning and 62.5MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-07 09:12:54,526 INFO L158 Benchmark]: RCFGBuilder took 313.32ms. Allocated memory is still 100.7MB. Free memory was 62.5MB in the beginning and 51.7MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-07 09:12:54,526 INFO L158 Benchmark]: TraceAbstraction took 752.96ms. Allocated memory is still 100.7MB. Free memory was 51.2MB in the beginning and 56.9MB in the end (delta: -5.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 09:12:54,526 INFO L158 Benchmark]: Witness Printer took 4.16ms. Allocated memory is still 100.7MB. Free memory was 56.9MB in the beginning and 56.9MB in the end (delta: 18.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 09:12:54,530 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.54ms. Allocated memory is still 83.9MB. Free memory is still 48.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 226.62ms. Allocated memory is still 100.7MB. Free memory was 76.5MB in the beginning and 65.2MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.92ms. Allocated memory is still 100.7MB. Free memory was 65.2MB in the beginning and 63.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 49.31ms. Allocated memory is still 100.7MB. Free memory was 63.9MB in the beginning and 62.5MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 313.32ms. Allocated memory is still 100.7MB. Free memory was 62.5MB in the beginning and 51.7MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 752.96ms. Allocated memory is still 100.7MB. Free memory was 51.2MB in the beginning and 56.9MB in the end (delta: -5.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.16ms. Allocated memory is still 100.7MB. Free memory was 56.9MB in the beginning and 56.9MB in the end (delta: 18.9kB). 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 57, overapproximation of someBinaryDOUBLEComparisonOperation at line 57, overapproximation of someUnaryFLOAToperation at line 36. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] float var_1_1 = 63.45; [L23] unsigned long int var_1_2 = 3925393104; [L24] unsigned long int var_1_3 = 256; [L25] unsigned long int var_1_4 = 2; [L26] float var_1_5 = 3.6; [L27] float var_1_6 = 99.372; [L28] double var_1_7 = 32.15; VAL [isInitial=0, var_1_1=1269/20, var_1_2=3925393104, var_1_3=256, var_1_4=2, var_1_5=18/5, var_1_6=24843/250, var_1_7=643/20] [L61] isInitial = 1 [L62] FCALL initially() [L63] COND TRUE 1 [L64] FCALL updateLastVariables() [L65] CALL updateVariables() [L42] var_1_2 = __VERIFIER_nondet_ulong() [L43] CALL assume_abort_if_not(var_1_2 >= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_1=1269/20, var_1_2=(((unsigned __int128) 1 << 64) | 9223372034707292160), var_1_3=256, var_1_4=2, var_1_5=18/5, var_1_6=24843/250, var_1_7=643/20] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=1269/20, var_1_2=(((unsigned __int128) 1 << 64) | 9223372034707292160), var_1_3=256, var_1_4=2, var_1_5=18/5, var_1_6=24843/250, var_1_7=643/20] [L43] RET assume_abort_if_not(var_1_2 >= 2147483647) VAL [isInitial=1, var_1_1=1269/20, var_1_2=(((unsigned __int128) 1 << 64) | 9223372034707292160), var_1_3=256, var_1_4=2, var_1_5=18/5, var_1_6=24843/250, var_1_7=643/20] [L44] CALL assume_abort_if_not(var_1_2 <= 4294967295) VAL [\old(cond)=1, isInitial=1, var_1_1=1269/20, var_1_2=(((unsigned __int128) 1 << 64) | 9223372034707292160), var_1_3=256, var_1_4=2, var_1_5=18/5, var_1_6=24843/250, var_1_7=643/20] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=1269/20, var_1_2=(((unsigned __int128) 1 << 64) | 9223372034707292160), var_1_3=256, var_1_4=2, var_1_5=18/5, var_1_6=24843/250, var_1_7=643/20] [L44] RET assume_abort_if_not(var_1_2 <= 4294967295) VAL [isInitial=1, var_1_1=1269/20, var_1_2=(((unsigned __int128) 1 << 64) | 9223372034707292160), var_1_3=256, var_1_4=2, var_1_5=18/5, var_1_6=24843/250, var_1_7=643/20] [L45] var_1_3 = __VERIFIER_nondet_ulong() [L46] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_1=1269/20, var_1_2=(((unsigned __int128) 1 << 64) | 9223372034707292160), var_1_4=2, var_1_5=18/5, var_1_6=24843/250, var_1_7=643/20] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=1269/20, var_1_2=(((unsigned __int128) 1 << 64) | 9223372034707292160), var_1_4=2, var_1_5=18/5, var_1_6=24843/250, var_1_7=643/20] [L46] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_1=1269/20, var_1_2=(((unsigned __int128) 1 << 64) | 9223372034707292160), var_1_4=2, var_1_5=18/5, var_1_6=24843/250, var_1_7=643/20] [L47] CALL assume_abort_if_not(var_1_3 <= 1073741824) VAL [\old(cond)=1, isInitial=1, var_1_1=1269/20, var_1_2=(((unsigned __int128) 1 << 64) | 9223372034707292160), var_1_3=-3221225472, var_1_4=2, var_1_5=18/5, var_1_6=24843/250, var_1_7=643/20] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=1269/20, var_1_2=(((unsigned __int128) 1 << 64) | 9223372034707292160), var_1_3=-3221225472, var_1_4=2, var_1_5=18/5, var_1_6=24843/250, var_1_7=643/20] [L47] RET assume_abort_if_not(var_1_3 <= 1073741824) VAL [isInitial=1, var_1_1=1269/20, var_1_2=(((unsigned __int128) 1 << 64) | 9223372034707292160), var_1_3=-3221225472, var_1_4=2, var_1_5=18/5, var_1_6=24843/250, var_1_7=643/20] [L48] var_1_4 = __VERIFIER_nondet_ulong() [L49] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_1=1269/20, var_1_2=(((unsigned __int128) 1 << 64) | 9223372034707292160), var_1_3=-3221225472, var_1_5=18/5, var_1_6=24843/250, var_1_7=643/20] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=1269/20, var_1_2=(((unsigned __int128) 1 << 64) | 9223372034707292160), var_1_3=-3221225472, var_1_5=18/5, var_1_6=24843/250, var_1_7=643/20] [L49] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, var_1_1=1269/20, var_1_2=(((unsigned __int128) 1 << 64) | 9223372034707292160), var_1_3=-3221225472, var_1_5=18/5, var_1_6=24843/250, var_1_7=643/20] [L50] CALL assume_abort_if_not(var_1_4 <= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_1=1269/20, var_1_2=(((unsigned __int128) 1 << 64) | 9223372034707292160), var_1_3=-3221225472, var_1_4=-3221225473, var_1_5=18/5, var_1_6=24843/250, var_1_7=643/20] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=1269/20, var_1_2=(((unsigned __int128) 1 << 64) | 9223372034707292160), var_1_3=-3221225472, var_1_4=-3221225473, var_1_5=18/5, var_1_6=24843/250, var_1_7=643/20] [L50] RET assume_abort_if_not(var_1_4 <= 1073741823) VAL [isInitial=1, var_1_1=1269/20, var_1_2=(((unsigned __int128) 1 << 64) | 9223372034707292160), var_1_3=-3221225472, var_1_4=-3221225473, var_1_5=18/5, var_1_6=24843/250, var_1_7=643/20] [L51] var_1_5 = __VERIFIER_nondet_float() [L52] CALL assume_abort_if_not((var_1_5 >= -922337.2036854765600e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_1=1269/20, var_1_2=(((unsigned __int128) 1 << 64) | 9223372034707292160), var_1_3=-3221225472, var_1_4=-3221225473, var_1_6=24843/250, var_1_7=643/20] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=1269/20, var_1_2=(((unsigned __int128) 1 << 64) | 9223372034707292160), var_1_3=-3221225472, var_1_4=-3221225473, var_1_6=24843/250, var_1_7=643/20] [L52] RET assume_abort_if_not((var_1_5 >= -922337.2036854765600e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, var_1_1=1269/20, var_1_2=(((unsigned __int128) 1 << 64) | 9223372034707292160), var_1_3=-3221225472, var_1_4=-3221225473, var_1_6=24843/250, var_1_7=643/20] [L65] RET updateVariables() [L66] CALL step() [L32] unsigned long int stepLocal_0 = 10u / 16u; VAL [isInitial=1, stepLocal_0=0, var_1_1=1269/20, var_1_2=(((unsigned __int128) 1 << 64) | 9223372034707292160), var_1_3=-3221225472, var_1_4=-3221225473, var_1_6=24843/250, var_1_7=643/20] [L33] COND FALSE !((var_1_2 - (var_1_3 + var_1_4)) <= stepLocal_0) [L36] var_1_1 = ((((var_1_5) < 0 ) ? -(var_1_5) : (var_1_5))) VAL [isInitial=1, var_1_1=27670116108416843781, var_1_2=(((unsigned __int128) 1 << 64) | 9223372034707292160), var_1_3=-3221225472, var_1_4=-3221225473, var_1_5=27670116108416843781, var_1_6=24843/250, var_1_7=643/20] [L38] var_1_6 = var_1_5 [L39] var_1_7 = var_1_5 VAL [isInitial=1, var_1_1=27670116108416843781, var_1_2=(((unsigned __int128) 1 << 64) | 9223372034707292160), var_1_3=-3221225472, var_1_4=-3221225473, var_1_5=27670116108416843781, var_1_6=27670116108416843781, var_1_7=27670116108416843781] [L66] RET step() [L67] CALL, EXPR property() [L57-L58] return ((((var_1_2 - (var_1_3 + var_1_4)) <= (10u / 16u)) ? (var_1_1 == ((float) var_1_5)) : (var_1_1 == ((float) ((((var_1_5) < 0 ) ? -(var_1_5) : (var_1_5)))))) && (var_1_6 == ((float) var_1_5))) && (var_1_7 == ((double) var_1_5)) ; VAL [\result=0, isInitial=1, var_1_1=27670116108416843781, var_1_2=(((unsigned __int128) 1 << 64) | 9223372034707292160), var_1_3=-3221225472, var_1_4=-3221225473, var_1_5=27670116108416843781, var_1_6=27670116108416843781, var_1_7=27670116108416843781] [L67] RET, EXPR property() [L67] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_1=27670116108416843781, var_1_2=(((unsigned __int128) 1 << 64) | 9223372034707292160), var_1_3=-3221225472, var_1_4=-3221225473, var_1_5=27670116108416843781, var_1_6=27670116108416843781, var_1_7=27670116108416843781] [L19] reach_error() VAL [isInitial=1, var_1_1=27670116108416843781, var_1_2=(((unsigned __int128) 1 << 64) | 9223372034707292160), var_1_3=-3221225472, var_1_4=-3221225473, var_1_5=27670116108416843781, var_1_6=27670116108416843781, var_1_7=27670116108416843781] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 32 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 7, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 35 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, 35 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 23 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=32occurred 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, 0.2s InterpolantComputationTime, 100 NumberOfCodeBlocks, 100 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 49 ConstructedInterpolants, 0 QuantifiedInterpolants, 49 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 84/84 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 09:12:54,563 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-16.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 0f3c671fd90b32c42295a3fff7f6ed38c1953794fa7bfd867d0ac70cf5a873bc --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 09:12:56,752 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 09:12:56,859 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-07 09:12:56,866 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 09:12:56,867 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 09:12:56,893 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 09:12:56,894 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 09:12:56,894 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 09:12:56,895 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 09:12:56,895 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 09:12:56,896 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 09:12:56,896 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 09:12:56,897 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 09:12:56,897 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 09:12:56,897 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 09:12:56,898 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 09:12:56,898 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 09:12:56,898 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 09:12:56,898 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 09:12:56,898 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 09:12:56,899 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 09:12:56,899 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 09:12:56,899 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 09:12:56,899 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-07 09:12:56,899 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-07 09:12:56,899 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 09:12:56,899 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-07 09:12:56,899 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 09:12:56,900 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 09:12:56,900 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 09:12:56,900 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 09:12:56,900 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 09:12:56,900 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 09:12:56,900 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 09:12:56,900 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 09:12:56,901 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 09:12:56,901 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 09:12:56,901 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 09:12:56,901 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-07 09:12:56,901 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-07 09:12:56,901 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 09:12:56,901 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 09:12:56,901 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 09:12:56,901 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 09:12:56,902 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 -> 0f3c671fd90b32c42295a3fff7f6ed38c1953794fa7bfd867d0ac70cf5a873bc [2024-11-07 09:12:57,191 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 09:12:57,201 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 09:12:57,204 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 09:12:57,206 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 09:12:57,206 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 09:12:57,208 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-16.i [2024-11-07 09:12:58,520 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 09:12:58,767 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 09:12:58,768 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-16.i [2024-11-07 09:12:58,777 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/7d24b0df8/082a28df38654c6baa7c9de5a41f04e6/FLAG2e9c6974f [2024-11-07 09:12:58,802 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/7d24b0df8/082a28df38654c6baa7c9de5a41f04e6 [2024-11-07 09:12:58,806 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 09:12:58,808 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 09:12:58,809 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 09:12:58,810 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 09:12:58,814 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 09:12:58,815 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 09:12:58" (1/1) ... [2024-11-07 09:12:58,816 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3abfa38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:12:58, skipping insertion in model container [2024-11-07 09:12:58,817 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 09:12:58" (1/1) ... [2024-11-07 09:12:58,833 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 09:12:58,975 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-16.i[915,928] [2024-11-07 09:12:59,012 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 09:12:59,025 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 09:12:59,039 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_amount10_file-16.i[915,928] [2024-11-07 09:12:59,049 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 09:12:59,070 INFO L204 MainTranslator]: Completed translation [2024-11-07 09:12:59,071 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:12:59 WrapperNode [2024-11-07 09:12:59,072 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 09:12:59,073 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 09:12:59,073 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 09:12:59,073 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 09:12:59,081 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:12:59" (1/1) ... [2024-11-07 09:12:59,094 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:12:59" (1/1) ... [2024-11-07 09:12:59,119 INFO L138 Inliner]: procedures = 27, calls = 20, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 66 [2024-11-07 09:12:59,121 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 09:12:59,122 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 09:12:59,123 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 09:12:59,123 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 09:12:59,129 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:12:59" (1/1) ... [2024-11-07 09:12:59,130 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:12:59" (1/1) ... [2024-11-07 09:12:59,134 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:12:59" (1/1) ... [2024-11-07 09:12:59,148 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 09:12:59,148 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:12:59" (1/1) ... [2024-11-07 09:12:59,148 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:12:59" (1/1) ... [2024-11-07 09:12:59,160 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:12:59" (1/1) ... [2024-11-07 09:12:59,164 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:12:59" (1/1) ... [2024-11-07 09:12:59,166 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:12:59" (1/1) ... [2024-11-07 09:12:59,168 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:12:59" (1/1) ... [2024-11-07 09:12:59,171 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 09:12:59,176 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 09:12:59,176 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 09:12:59,176 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 09:12:59,177 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:12:59" (1/1) ... [2024-11-07 09:12:59,185 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 09:12:59,200 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 09:12:59,214 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 09:12:59,221 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 09:12:59,241 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 09:12:59,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-07 09:12:59,242 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 09:12:59,242 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 09:12:59,242 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 09:12:59,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 09:12:59,325 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 09:12:59,328 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 09:12:59,652 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-07 09:12:59,652 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 09:12:59,660 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 09:12:59,660 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-07 09:12:59,661 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 09:12:59 BoogieIcfgContainer [2024-11-07 09:12:59,661 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 09:12:59,663 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 09:12:59,663 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 09:12:59,669 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 09:12:59,670 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 09:12:58" (1/3) ... [2024-11-07 09:12:59,670 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5458a80b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 09:12:59, skipping insertion in model container [2024-11-07 09:12:59,670 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:12:59" (2/3) ... [2024-11-07 09:12:59,670 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5458a80b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 09:12:59, skipping insertion in model container [2024-11-07 09:12:59,670 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 09:12:59" (3/3) ... [2024-11-07 09:12:59,672 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-16.i [2024-11-07 09:12:59,688 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 09:12:59,688 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-07 09:12:59,742 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 09:12:59,753 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;@7efbb4b0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 09:12:59,755 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-07 09:12:59,762 INFO L276 IsEmpty]: Start isEmpty. Operand has 32 states, 22 states have (on average 1.2727272727272727) internal successors, (28), 23 states have internal predecessors, (28), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-07 09:12:59,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-07 09:12:59,771 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 09:12:59,772 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 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 09:12:59,773 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 09:12:59,779 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 09:12:59,779 INFO L85 PathProgramCache]: Analyzing trace with hash 2083022097, now seen corresponding path program 1 times [2024-11-07 09:12:59,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 09:12:59,791 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1567255345] [2024-11-07 09:12:59,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 09:12:59,794 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 09:12:59,794 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 09:12:59,797 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 09:12:59,799 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 09:12:59,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:12:59,978 INFO L255 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-07 09:12:59,984 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 09:13:00,026 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-07 09:13:00,027 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 09:13:00,028 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-07 09:13:00,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1567255345] [2024-11-07 09:13:00,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1567255345] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 09:13:00,028 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 09:13:00,029 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 09:13:00,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [462941482] [2024-11-07 09:13:00,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 09:13:00,035 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-07 09:13:00,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-07 09:13:00,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-07 09:13:00,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-07 09:13:00,055 INFO L87 Difference]: Start difference. First operand has 32 states, 22 states have (on average 1.2727272727272727) internal successors, (28), 23 states have internal predecessors, (28), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-07 09:13:00,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 09:13:00,070 INFO L93 Difference]: Finished difference Result 57 states and 85 transitions. [2024-11-07 09:13:00,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-07 09:13:00,072 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 50 [2024-11-07 09:13:00,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 09:13:00,077 INFO L225 Difference]: With dead ends: 57 [2024-11-07 09:13:00,078 INFO L226 Difference]: Without dead ends: 28 [2024-11-07 09:13:00,082 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 49 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 09:13:00,085 INFO L432 NwaCegarLoop]: 35 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, 35 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 09:13:00,088 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 09:13:00,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2024-11-07 09:13:00,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2024-11-07 09:13:00,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 19 states have (on average 1.105263157894737) internal successors, (21), 19 states have internal predecessors, (21), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-07 09:13:00,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 35 transitions. [2024-11-07 09:13:00,125 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 35 transitions. Word has length 50 [2024-11-07 09:13:00,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 09:13:00,126 INFO L471 AbstractCegarLoop]: Abstraction has 28 states and 35 transitions. [2024-11-07 09:13:00,126 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-07 09:13:00,126 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-07 09:13:00,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-07 09:13:00,129 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 09:13:00,129 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 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 09:13:00,138 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 09:13:00,330 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 09:13:00,331 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 09:13:00,331 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 09:13:00,332 INFO L85 PathProgramCache]: Analyzing trace with hash 1362863631, now seen corresponding path program 1 times [2024-11-07 09:13:00,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 09:13:00,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1498532836] [2024-11-07 09:13:00,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 09:13:00,332 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 09:13:00,332 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 09:13:00,335 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 09:13:00,337 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 09:13:00,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:13:00,489 INFO L255 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-07 09:13:00,497 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 09:13:06,066 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 65 proven. 12 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-07 09:13:06,067 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 09:13:10,607 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-07 09:13:10,608 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-07 09:13:10,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1498532836] [2024-11-07 09:13:10,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1498532836] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-07 09:13:10,608 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 09:13:10,610 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [18] total 26 [2024-11-07 09:13:10,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126007317] [2024-11-07 09:13:10,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 09:13:10,611 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 09:13:10,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-07 09:13:10,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 09:13:10,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=138, Invalid=512, Unknown=0, NotChecked=0, Total=650 [2024-11-07 09:13:10,614 INFO L87 Difference]: Start difference. First operand 28 states and 35 transitions. Second operand has 9 states, 9 states have (on average 2.3333333333333335) internal successors, (21), 9 states have internal predecessors, (21), 1 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-07 09:13:12,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 09:13:12,470 INFO L93 Difference]: Finished difference Result 46 states and 54 transitions. [2024-11-07 09:13:12,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-07 09:13:12,471 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.3333333333333335) internal successors, (21), 9 states have internal predecessors, (21), 1 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 1 states have call successors, (7) Word has length 50 [2024-11-07 09:13:12,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 09:13:12,472 INFO L225 Difference]: With dead ends: 46 [2024-11-07 09:13:12,472 INFO L226 Difference]: Without dead ends: 44 [2024-11-07 09:13:12,473 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 215 ImplicationChecksByTransitivity, 5.4s TimeCoverageRelationStatistics Valid=154, Invalid=602, Unknown=0, NotChecked=0, Total=756 [2024-11-07 09:13:12,473 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 29 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 102 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-07 09:13:12,474 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 102 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-07 09:13:12,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2024-11-07 09:13:12,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 41. [2024-11-07 09:13:12,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 29 states have (on average 1.0689655172413792) internal successors, (31), 30 states have internal predecessors, (31), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-07 09:13:12,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 49 transitions. [2024-11-07 09:13:12,484 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 49 transitions. Word has length 50 [2024-11-07 09:13:12,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 09:13:12,484 INFO L471 AbstractCegarLoop]: Abstraction has 41 states and 49 transitions. [2024-11-07 09:13:12,484 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.3333333333333335) internal successors, (21), 9 states have internal predecessors, (21), 1 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-07 09:13:12,484 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 49 transitions. [2024-11-07 09:13:12,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-07 09:13:12,485 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 09:13:12,485 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 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 09:13:12,494 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-07 09:13:12,686 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-07 09:13:12,686 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 09:13:12,687 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 09:13:12,687 INFO L85 PathProgramCache]: Analyzing trace with hash 1305605329, now seen corresponding path program 1 times [2024-11-07 09:13:12,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 09:13:12,687 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1397554224] [2024-11-07 09:13:12,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 09:13:12,687 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 09:13:12,687 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 09:13:12,690 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-07 09:13:12,691 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-07 09:13:12,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 09:13:12,849 INFO L255 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-07 09:13:12,853 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 09:13:16,930 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 65 proven. 12 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-07 09:13:16,930 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 09:13:20,714 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-07 09:13:20,715 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-07 09:13:20,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1397554224] [2024-11-07 09:13:20,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1397554224] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-07 09:13:20,716 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 09:13:20,718 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [19] total 28 [2024-11-07 09:13:20,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740592137] [2024-11-07 09:13:20,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 09:13:20,719 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-07 09:13:20,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-07 09:13:20,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-07 09:13:20,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=156, Invalid=600, Unknown=0, NotChecked=0, Total=756 [2024-11-07 09:13:20,722 INFO L87 Difference]: Start difference. First operand 41 states and 49 transitions. Second operand has 10 states, 10 states have (on average 2.1) internal successors, (21), 9 states have internal predecessors, (21), 1 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-07 09:13:23,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 09:13:23,833 INFO L93 Difference]: Finished difference Result 54 states and 63 transitions. [2024-11-07 09:13:23,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-07 09:13:23,834 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.1) internal successors, (21), 9 states have internal predecessors, (21), 1 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 1 states have call successors, (7) Word has length 50 [2024-11-07 09:13:23,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 09:13:23,834 INFO L225 Difference]: With dead ends: 54 [2024-11-07 09:13:23,834 INFO L226 Difference]: Without dead ends: 0 [2024-11-07 09:13:23,835 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 289 ImplicationChecksByTransitivity, 6.0s TimeCoverageRelationStatistics Valid=191, Invalid=801, Unknown=0, NotChecked=0, Total=992 [2024-11-07 09:13:23,836 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 32 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-07 09:13:23,836 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 106 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-07 09:13:23,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-07 09:13:23,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-07 09:13:23,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 09:13:23,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-07 09:13:23,837 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 50 [2024-11-07 09:13:23,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 09:13:23,837 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-07 09:13:23,837 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.1) internal successors, (21), 9 states have internal predecessors, (21), 1 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-07 09:13:23,837 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-07 09:13:23,837 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-07 09:13:23,839 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-07 09:13:23,848 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-11-07 09:13:24,040 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-07 09:13:24,043 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-07 09:13:24,045 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-07 09:13:28,193 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-07 09:13:28,202 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-07 09:13:28,202 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~stepLocal_0~0 [2024-11-07 09:13:28,202 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~fp.eq~64 [2024-11-07 09:13:28,203 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~fp.eq~64 [2024-11-07 09:13:28,203 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~fp.neg~32 [2024-11-07 09:13:28,203 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-07 09:13:28,207 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~fp.eq~64 [2024-11-07 09:13:28,211 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 09:13:28 BoogieIcfgContainer [2024-11-07 09:13:28,211 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-07 09:13:28,212 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-07 09:13:28,212 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-07 09:13:28,212 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-07 09:13:28,213 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 09:12:59" (3/4) ... [2024-11-07 09:13:28,215 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-07 09:13:28,223 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-07 09:13:28,227 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-11-07 09:13:28,227 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-07 09:13:28,227 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-07 09:13:28,227 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-07 09:13:28,297 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-07 09:13:28,297 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-07 09:13:28,297 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-07 09:13:28,298 INFO L158 Benchmark]: Toolchain (without parser) took 29490.63ms. Allocated memory was 83.9MB in the beginning and 117.4MB in the end (delta: 33.6MB). Free memory was 61.3MB in the beginning and 35.6MB in the end (delta: 25.7MB). Peak memory consumption was 54.2MB. Max. memory is 16.1GB. [2024-11-07 09:13:28,299 INFO L158 Benchmark]: CDTParser took 1.35ms. Allocated memory is still 83.9MB. Free memory is still 64.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 09:13:28,299 INFO L158 Benchmark]: CACSL2BoogieTranslator took 263.20ms. Allocated memory is still 83.9MB. Free memory was 61.0MB in the beginning and 49.2MB in the end (delta: 11.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-07 09:13:28,299 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.14ms. Allocated memory is still 83.9MB. Free memory was 49.2MB in the beginning and 47.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 09:13:28,300 INFO L158 Benchmark]: Boogie Preprocessor took 52.58ms. Allocated memory is still 83.9MB. Free memory was 47.8MB in the beginning and 46.0MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-07 09:13:28,301 INFO L158 Benchmark]: RCFGBuilder took 485.07ms. Allocated memory is still 83.9MB. Free memory was 46.0MB in the beginning and 35.1MB in the end (delta: 10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-07 09:13:28,301 INFO L158 Benchmark]: TraceAbstraction took 28547.81ms. Allocated memory was 83.9MB in the beginning and 117.4MB in the end (delta: 33.6MB). Free memory was 34.6MB in the beginning and 40.3MB in the end (delta: -5.7MB). Peak memory consumption was 29.1MB. Max. memory is 16.1GB. [2024-11-07 09:13:28,301 INFO L158 Benchmark]: Witness Printer took 85.47ms. Allocated memory is still 117.4MB. Free memory was 40.3MB in the beginning and 35.6MB in the end (delta: 4.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 09:13:28,303 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.35ms. Allocated memory is still 83.9MB. Free memory is still 64.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 263.20ms. Allocated memory is still 83.9MB. Free memory was 61.0MB in the beginning and 49.2MB in the end (delta: 11.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.14ms. Allocated memory is still 83.9MB. Free memory was 49.2MB in the beginning and 47.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 52.58ms. Allocated memory is still 83.9MB. Free memory was 47.8MB in the beginning and 46.0MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 485.07ms. Allocated memory is still 83.9MB. Free memory was 46.0MB in the beginning and 35.1MB in the end (delta: 10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 28547.81ms. Allocated memory was 83.9MB in the beginning and 117.4MB in the end (delta: 33.6MB). Free memory was 34.6MB in the beginning and 40.3MB in the end (delta: -5.7MB). Peak memory consumption was 29.1MB. Max. memory is 16.1GB. * Witness Printer took 85.47ms. Allocated memory is still 117.4MB. Free memory was 40.3MB in the beginning and 35.6MB in the end (delta: 4.7MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~stepLocal_0~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~fp.eq~64 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~fp.eq~64 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~fp.neg~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~fp.eq~64 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 32 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 24.3s, OverallIterations: 3, TraceHistogramMax: 7, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 5.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 61 SdHoareTripleChecker+Valid, 1.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 61 mSDsluCounter, 243 SdHoareTripleChecker+Invalid, 1.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 147 mSDsCounter, 18 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 247 IncrementalHoareTripleChecker+Invalid, 265 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 18 mSolverCounterUnsat, 96 mSDtfsCounter, 247 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 251 GetRequests, 195 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 504 ImplicationChecksByTransitivity, 11.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=41occurred in iteration=2, InterpolantAutomatonStates: 22, 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, 3 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 18.1s InterpolantComputationTime, 150 NumberOfCodeBlocks, 150 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 245 ConstructedInterpolants, 0 QuantifiedInterpolants, 1691 SizeOfPredicates, 19 NumberOfNonLiveVariables, 264 ConjunctsInSsa, 46 ConjunctsInUnsatCore, 5 InterpolantComputations, 3 PerfectInterpolantSequences, 396/420 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 63]: Loop Invariant Derived loop invariant: null - ProcedureContractResult [Line: 20]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not. Ensures: ((((((((isInitial == \old(isInitial)) && (var_1_1 == \old(var_1_1))) && (var_1_2 == \old(var_1_2))) && (var_1_3 == \old(var_1_3))) && (var_1_4 == \old(var_1_4))) && (var_1_5 == \old(var_1_5))) && (var_1_6 == \old(var_1_6))) && (var_1_7 == \old(var_1_7))) RESULT: Ultimate proved your program to be correct! [2024-11-07 09:13:28,386 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE