./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-9.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8657b7d5-cdfa-476e-93fd-dad64bdf9889/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8657b7d5-cdfa-476e-93fd-dad64bdf9889/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8657b7d5-cdfa-476e-93fd-dad64bdf9889/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8657b7d5-cdfa-476e-93fd-dad64bdf9889/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-9.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8657b7d5-cdfa-476e-93fd-dad64bdf9889/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8657b7d5-cdfa-476e-93fd-dad64bdf9889/bin/uautomizer-verify-qhAvR1uOyd --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 de05dd5e3bf0aa71208c9225f4fdf36a7def96a9278aed9da8f88e67d49713ff --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 13:15:05,505 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 13:15:05,607 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8657b7d5-cdfa-476e-93fd-dad64bdf9889/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-13 13:15:05,615 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 13:15:05,616 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 13:15:05,664 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 13:15:05,665 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 13:15:05,666 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 13:15:05,666 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 13:15:05,667 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 13:15:05,667 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 13:15:05,667 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 13:15:05,667 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 13:15:05,667 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 13:15:05,667 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 13:15:05,668 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 13:15:05,668 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 13:15:05,668 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 13:15:05,668 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 13:15:05,670 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 13:15:05,670 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 13:15:05,670 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 13:15:05,671 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 13:15:05,671 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 13:15:05,671 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 13:15:05,671 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 13:15:05,671 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 13:15:05,671 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 13:15:05,672 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 13:15:05,672 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 13:15:05,672 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 13:15:05,672 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 13:15:05,673 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:15:05,673 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 13:15:05,673 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 13:15:05,673 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 13:15:05,674 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 13:15:05,674 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 13:15:05,674 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 13:15:05,674 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 13:15:05,675 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 13:15:05,675 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 13:15:05,675 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 -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8657b7d5-cdfa-476e-93fd-dad64bdf9889/bin/uautomizer-verify-qhAvR1uOyd 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 -> de05dd5e3bf0aa71208c9225f4fdf36a7def96a9278aed9da8f88e67d49713ff [2024-11-13 13:15:06,029 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 13:15:06,039 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 13:15:06,042 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 13:15:06,044 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 13:15:06,044 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 13:15:06,045 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8657b7d5-cdfa-476e-93fd-dad64bdf9889/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-9.i Unable to find full path for "g++" [2024-11-13 13:15:07,980 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 13:15:08,298 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 13:15:08,299 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8657b7d5-cdfa-476e-93fd-dad64bdf9889/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-9.i [2024-11-13 13:15:08,308 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8657b7d5-cdfa-476e-93fd-dad64bdf9889/bin/uautomizer-verify-qhAvR1uOyd/data/411d3db52/755e488e86e94f79a34b5193b9d89250/FLAG898257c7c [2024-11-13 13:15:08,326 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8657b7d5-cdfa-476e-93fd-dad64bdf9889/bin/uautomizer-verify-qhAvR1uOyd/data/411d3db52/755e488e86e94f79a34b5193b9d89250 [2024-11-13 13:15:08,329 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 13:15:08,330 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 13:15:08,332 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 13:15:08,333 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 13:15:08,338 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 13:15:08,339 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:15:08" (1/1) ... [2024-11-13 13:15:08,341 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22e2ec5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:15:08, skipping insertion in model container [2024-11-13 13:15:08,341 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:15:08" (1/1) ... [2024-11-13 13:15:08,371 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 13:15:08,568 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8657b7d5-cdfa-476e-93fd-dad64bdf9889/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-9.i[915,928] [2024-11-13 13:15:08,633 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:15:08,652 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 13:15:08,666 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8657b7d5-cdfa-476e-93fd-dad64bdf9889/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-9.i[915,928] [2024-11-13 13:15:08,704 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:15:08,738 INFO L204 MainTranslator]: Completed translation [2024-11-13 13:15:08,738 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:15:08 WrapperNode [2024-11-13 13:15:08,738 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 13:15:08,739 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 13:15:08,740 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 13:15:08,742 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 13:15:08,749 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:15:08" (1/1) ... [2024-11-13 13:15:08,759 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:15:08" (1/1) ... [2024-11-13 13:15:08,803 INFO L138 Inliner]: procedures = 26, calls = 19, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 101 [2024-11-13 13:15:08,803 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 13:15:08,804 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 13:15:08,804 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 13:15:08,804 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 13:15:08,815 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:15:08" (1/1) ... [2024-11-13 13:15:08,816 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:15:08" (1/1) ... [2024-11-13 13:15:08,818 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:15:08" (1/1) ... [2024-11-13 13:15:08,834 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]. [2024-11-13 13:15:08,834 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:15:08" (1/1) ... [2024-11-13 13:15:08,834 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:15:08" (1/1) ... [2024-11-13 13:15:08,839 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:15:08" (1/1) ... [2024-11-13 13:15:08,843 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:15:08" (1/1) ... [2024-11-13 13:15:08,845 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:15:08" (1/1) ... [2024-11-13 13:15:08,846 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:15:08" (1/1) ... [2024-11-13 13:15:08,849 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 13:15:08,850 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 13:15:08,850 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 13:15:08,850 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 13:15:08,851 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:15:08" (1/1) ... [2024-11-13 13:15:08,858 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:15:08,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8657b7d5-cdfa-476e-93fd-dad64bdf9889/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:15:08,896 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8657b7d5-cdfa-476e-93fd-dad64bdf9889/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 13:15:08,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8657b7d5-cdfa-476e-93fd-dad64bdf9889/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 13:15:08,929 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 13:15:08,929 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 13:15:08,930 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 13:15:08,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 13:15:08,930 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 13:15:08,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 13:15:09,017 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 13:15:09,020 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 13:15:09,422 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-13 13:15:09,422 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 13:15:09,438 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 13:15:09,439 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 13:15:09,440 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:15:09 BoogieIcfgContainer [2024-11-13 13:15:09,440 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 13:15:09,445 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 13:15:09,445 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 13:15:09,453 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 13:15:09,453 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 01:15:08" (1/3) ... [2024-11-13 13:15:09,454 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@abab08f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:15:09, skipping insertion in model container [2024-11-13 13:15:09,454 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:15:08" (2/3) ... [2024-11-13 13:15:09,455 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@abab08f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:15:09, skipping insertion in model container [2024-11-13 13:15:09,455 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:15:09" (3/3) ... [2024-11-13 13:15:09,457 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-9.i [2024-11-13 13:15:09,477 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 13:15:09,479 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_floatingpointinfluence_no-floats_file-9.i that has 2 procedures, 42 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-13 13:15:09,550 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 13:15:09,571 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;@9e7385c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 13:15:09,571 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 13:15:09,575 INFO L276 IsEmpty]: Start isEmpty. Operand has 42 states, 33 states have (on average 1.393939393939394) internal successors, (46), 34 states have internal predecessors, (46), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-13 13:15:09,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-13 13:15:09,586 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:15:09,586 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:15:09,587 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:15:09,593 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:15:09,593 INFO L85 PathProgramCache]: Analyzing trace with hash -1352195475, now seen corresponding path program 1 times [2024-11-13 13:15:09,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:15:09,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586050549] [2024-11-13 13:15:09,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:15:09,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:15:09,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:09,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 13:15:09,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:09,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-13 13:15:09,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:09,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-13 13:15:09,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:09,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-13 13:15:09,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:09,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-13 13:15:09,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:09,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 13:15:09,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:09,932 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-13 13:15:09,933 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:15:09,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [586050549] [2024-11-13 13:15:09,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [586050549] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:15:09,934 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:15:09,934 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:15:09,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347030071] [2024-11-13 13:15:09,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:15:09,943 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 13:15:09,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:15:09,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 13:15:09,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 13:15:09,968 INFO L87 Difference]: Start difference. First operand has 42 states, 33 states have (on average 1.393939393939394) internal successors, (46), 34 states have internal predecessors, (46), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-13 13:15:09,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:15:09,994 INFO L93 Difference]: Finished difference Result 76 states and 114 transitions. [2024-11-13 13:15:09,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 13:15:09,997 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 2 states have call successors, (6) Word has length 50 [2024-11-13 13:15:09,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:15:10,005 INFO L225 Difference]: With dead ends: 76 [2024-11-13 13:15:10,005 INFO L226 Difference]: Without dead ends: 37 [2024-11-13 13:15:10,008 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 13:15:10,012 INFO L432 NwaCegarLoop]: 48 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, 48 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 [2024-11-13 13:15:10,013 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 13:15:10,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2024-11-13 13:15:10,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2024-11-13 13:15:10,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 29 states have (on average 1.2413793103448276) internal successors, (36), 29 states have internal predecessors, (36), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-13 13:15:10,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 48 transitions. [2024-11-13 13:15:10,053 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 48 transitions. Word has length 50 [2024-11-13 13:15:10,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:15:10,055 INFO L471 AbstractCegarLoop]: Abstraction has 37 states and 48 transitions. [2024-11-13 13:15:10,055 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-13 13:15:10,055 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 48 transitions. [2024-11-13 13:15:10,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-13 13:15:10,057 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:15:10,058 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:15:10,058 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 13:15:10,058 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:15:10,059 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:15:10,059 INFO L85 PathProgramCache]: Analyzing trace with hash -1679326931, now seen corresponding path program 1 times [2024-11-13 13:15:10,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:15:10,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [776894487] [2024-11-13 13:15:10,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:15:10,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:15:10,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:10,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 13:15:10,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:10,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-13 13:15:10,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:10,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-13 13:15:10,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:10,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-13 13:15:10,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:10,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-13 13:15:10,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:10,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 13:15:10,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:10,991 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-13 13:15:10,991 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:15:10,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [776894487] [2024-11-13 13:15:10,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [776894487] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:15:10,991 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:15:10,991 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 13:15:10,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813771240] [2024-11-13 13:15:10,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:15:10,993 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 13:15:10,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:15:10,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 13:15:10,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:15:10,997 INFO L87 Difference]: Start difference. First operand 37 states and 48 transitions. Second operand has 5 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-13 13:15:11,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:15:11,267 INFO L93 Difference]: Finished difference Result 105 states and 138 transitions. [2024-11-13 13:15:11,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 13:15:11,268 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 50 [2024-11-13 13:15:11,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:15:11,270 INFO L225 Difference]: With dead ends: 105 [2024-11-13 13:15:11,271 INFO L226 Difference]: Without dead ends: 71 [2024-11-13 13:15:11,272 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-13 13:15:11,273 INFO L432 NwaCegarLoop]: 41 mSDtfsCounter, 40 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 137 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 13:15:11,274 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 137 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 13:15:11,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2024-11-13 13:15:11,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 59. [2024-11-13 13:15:11,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 44 states have (on average 1.1818181818181819) internal successors, (52), 44 states have internal predecessors, (52), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-13 13:15:11,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 76 transitions. [2024-11-13 13:15:11,300 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 76 transitions. Word has length 50 [2024-11-13 13:15:11,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:15:11,301 INFO L471 AbstractCegarLoop]: Abstraction has 59 states and 76 transitions. [2024-11-13 13:15:11,301 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-13 13:15:11,301 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 76 transitions. [2024-11-13 13:15:11,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-13 13:15:11,302 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:15:11,303 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:15:11,303 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 13:15:11,304 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:15:11,304 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:15:11,304 INFO L85 PathProgramCache]: Analyzing trace with hash 1580430348, now seen corresponding path program 1 times [2024-11-13 13:15:11,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:15:11,305 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [548497763] [2024-11-13 13:15:11,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:15:11,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:15:11,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:11,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 13:15:11,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:11,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-13 13:15:11,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:11,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-13 13:15:11,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:11,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-13 13:15:11,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:11,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-13 13:15:11,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:11,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 13:15:11,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:11,860 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-13 13:15:11,860 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:15:11,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [548497763] [2024-11-13 13:15:11,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [548497763] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:15:11,861 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:15:11,861 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 13:15:11,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850075969] [2024-11-13 13:15:11,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:15:11,861 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 13:15:11,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:15:11,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 13:15:11,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 13:15:11,862 INFO L87 Difference]: Start difference. First operand 59 states and 76 transitions. Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-13 13:15:11,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:15:11,932 INFO L93 Difference]: Finished difference Result 93 states and 121 transitions. [2024-11-13 13:15:11,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:15:11,933 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 51 [2024-11-13 13:15:11,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:15:11,934 INFO L225 Difference]: With dead ends: 93 [2024-11-13 13:15:11,934 INFO L226 Difference]: Without dead ends: 59 [2024-11-13 13:15:11,935 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:15:11,936 INFO L432 NwaCegarLoop]: 44 mSDtfsCounter, 13 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 13:15:11,936 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 113 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 13:15:11,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2024-11-13 13:15:11,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2024-11-13 13:15:11,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 44 states have (on average 1.1590909090909092) internal successors, (51), 44 states have internal predecessors, (51), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-13 13:15:11,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 75 transitions. [2024-11-13 13:15:11,953 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 75 transitions. Word has length 51 [2024-11-13 13:15:11,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:15:11,954 INFO L471 AbstractCegarLoop]: Abstraction has 59 states and 75 transitions. [2024-11-13 13:15:11,956 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-13 13:15:11,956 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 75 transitions. [2024-11-13 13:15:11,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-13 13:15:11,957 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:15:11,957 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:15:11,958 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 13:15:11,958 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:15:11,958 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:15:11,958 INFO L85 PathProgramCache]: Analyzing trace with hash 2121652135, now seen corresponding path program 1 times [2024-11-13 13:15:11,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:15:11,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [106301956] [2024-11-13 13:15:11,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:15:11,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:15:11,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:12,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 13:15:12,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:12,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-13 13:15:12,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:12,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-13 13:15:12,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:12,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-13 13:15:12,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:12,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-13 13:15:12,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:12,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 13:15:12,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:12,201 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-13 13:15:12,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:15:12,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [106301956] [2024-11-13 13:15:12,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [106301956] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:15:12,202 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:15:12,202 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-13 13:15:12,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [386832416] [2024-11-13 13:15:12,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:15:12,203 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 13:15:12,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:15:12,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 13:15:12,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:15:12,206 INFO L87 Difference]: Start difference. First operand 59 states and 75 transitions. Second operand has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 6 states have internal predecessors, (26), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-13 13:15:12,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:15:12,499 INFO L93 Difference]: Finished difference Result 223 states and 283 transitions. [2024-11-13 13:15:12,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 13:15:12,501 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 6 states have internal predecessors, (26), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 2 states have call successors, (6) Word has length 53 [2024-11-13 13:15:12,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:15:12,504 INFO L225 Difference]: With dead ends: 223 [2024-11-13 13:15:12,504 INFO L226 Difference]: Without dead ends: 189 [2024-11-13 13:15:12,504 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2024-11-13 13:15:12,507 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 133 mSDsluCounter, 210 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 247 SdHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 13:15:12,507 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 247 Invalid, 156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 13:15:12,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2024-11-13 13:15:12,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 113. [2024-11-13 13:15:12,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 84 states have (on average 1.1547619047619047) internal successors, (97), 84 states have internal predecessors, (97), 24 states have call successors, (24), 4 states have call predecessors, (24), 4 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-13 13:15:12,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 145 transitions. [2024-11-13 13:15:12,539 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 145 transitions. Word has length 53 [2024-11-13 13:15:12,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:15:12,540 INFO L471 AbstractCegarLoop]: Abstraction has 113 states and 145 transitions. [2024-11-13 13:15:12,540 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 6 states have internal predecessors, (26), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-13 13:15:12,540 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 145 transitions. [2024-11-13 13:15:12,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-13 13:15:12,541 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:15:12,541 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:15:12,541 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-13 13:15:12,541 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:15:12,542 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:15:12,546 INFO L85 PathProgramCache]: Analyzing trace with hash -1234268017, now seen corresponding path program 1 times [2024-11-13 13:15:12,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:15:12,546 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [726224675] [2024-11-13 13:15:12,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:15:12,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:15:12,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:22:39,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 13:22:39,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:22:39,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-13 13:22:39,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:22:39,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-13 13:22:39,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:22:39,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-13 13:22:39,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:22:39,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-13 13:22:39,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:22:39,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 13:22:39,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:22:39,596 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-13 13:22:39,598 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:22:39,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [726224675] [2024-11-13 13:22:39,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [726224675] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:22:39,599 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:22:39,599 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-13 13:22:39,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754267732] [2024-11-13 13:22:39,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:22:39,599 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 13:22:39,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:22:39,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 13:22:39,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-13 13:22:39,600 INFO L87 Difference]: Start difference. First operand 113 states and 145 transitions. Second operand has 9 states, 9 states have (on average 3.0) internal successors, (27), 9 states have internal predecessors, (27), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-13 13:22:40,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:22:40,309 INFO L93 Difference]: Finished difference Result 182 states and 226 transitions. [2024-11-13 13:22:40,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 13:22:40,310 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.0) internal successors, (27), 9 states have internal predecessors, (27), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 54 [2024-11-13 13:22:40,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:22:40,311 INFO L225 Difference]: With dead ends: 182 [2024-11-13 13:22:40,311 INFO L226 Difference]: Without dead ends: 180 [2024-11-13 13:22:40,311 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2024-11-13 13:22:40,312 INFO L432 NwaCegarLoop]: 35 mSDtfsCounter, 36 mSDsluCounter, 171 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 206 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-13 13:22:40,312 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 206 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-13 13:22:40,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2024-11-13 13:22:40,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 148. [2024-11-13 13:22:40,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 119 states have (on average 1.1596638655462186) internal successors, (138), 119 states have internal predecessors, (138), 24 states have call successors, (24), 4 states have call predecessors, (24), 4 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-13 13:22:40,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 186 transitions. [2024-11-13 13:22:40,336 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 186 transitions. Word has length 54 [2024-11-13 13:22:40,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:22:40,336 INFO L471 AbstractCegarLoop]: Abstraction has 148 states and 186 transitions. [2024-11-13 13:22:40,336 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.0) internal successors, (27), 9 states have internal predecessors, (27), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-13 13:22:40,336 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 186 transitions. [2024-11-13 13:22:40,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-13 13:22:40,337 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:22:40,337 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:22:40,338 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-13 13:22:40,338 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:22:40,338 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:22:40,338 INFO L85 PathProgramCache]: Analyzing trace with hash -976102579, now seen corresponding path program 1 times [2024-11-13 13:22:40,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:22:40,338 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353192260] [2024-11-13 13:22:40,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:22:40,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:22:40,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 13:22:40,379 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [324838550] [2024-11-13 13:22:40,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:22:40,383 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:22:40,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8657b7d5-cdfa-476e-93fd-dad64bdf9889/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:22:40,387 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8657b7d5-cdfa-476e-93fd-dad64bdf9889/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:22:40,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8657b7d5-cdfa-476e-93fd-dad64bdf9889/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-13 13:22:40,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:22:40,460 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 13:22:40,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:22:40,524 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 13:22:40,524 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 13:22:40,525 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-13 13:22:40,547 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8657b7d5-cdfa-476e-93fd-dad64bdf9889/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-13 13:22:40,730 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8657b7d5-cdfa-476e-93fd-dad64bdf9889/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-11-13 13:22:40,732 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2024-11-13 13:22:40,773 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 13:22:40,776 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 01:22:40 BoogieIcfgContainer [2024-11-13 13:22:40,776 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 13:22:40,777 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 13:22:40,777 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 13:22:40,777 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 13:22:40,778 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:15:09" (3/4) ... [2024-11-13 13:22:40,780 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 13:22:40,781 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 13:22:40,782 INFO L158 Benchmark]: Toolchain (without parser) took 452451.65ms. Allocated memory was 109.1MB in the beginning and 1.1GB in the end (delta: 981.5MB). Free memory was 83.3MB in the beginning and 672.3MB in the end (delta: -589.0MB). Peak memory consumption was 396.2MB. Max. memory is 16.1GB. [2024-11-13 13:22:40,782 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 83.9MB. Free memory was 39.7MB in the beginning and 39.6MB in the end (delta: 100.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:22:40,783 INFO L158 Benchmark]: CACSL2BoogieTranslator took 406.69ms. Allocated memory is still 109.1MB. Free memory was 83.3MB in the beginning and 70.8MB in the end (delta: 12.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 13:22:40,783 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.70ms. Allocated memory is still 109.1MB. Free memory was 70.8MB in the beginning and 68.8MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 13:22:40,783 INFO L158 Benchmark]: Boogie Preprocessor took 45.45ms. Allocated memory is still 109.1MB. Free memory was 68.8MB in the beginning and 65.9MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:22:40,784 INFO L158 Benchmark]: RCFGBuilder took 590.28ms. Allocated memory is still 109.1MB. Free memory was 65.9MB in the beginning and 51.6MB in the end (delta: 14.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 13:22:40,784 INFO L158 Benchmark]: TraceAbstraction took 451331.63ms. Allocated memory was 109.1MB in the beginning and 1.1GB in the end (delta: 981.5MB). Free memory was 50.8MB in the beginning and 672.5MB in the end (delta: -621.6MB). Peak memory consumption was 354.3MB. Max. memory is 16.1GB. [2024-11-13 13:22:40,784 INFO L158 Benchmark]: Witness Printer took 4.20ms. Allocated memory is still 1.1GB. Free memory was 672.5MB in the beginning and 672.3MB in the end (delta: 154.8kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 13:22:40,786 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 83.9MB. Free memory was 39.7MB in the beginning and 39.6MB in the end (delta: 100.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 406.69ms. Allocated memory is still 109.1MB. Free memory was 83.3MB in the beginning and 70.8MB in the end (delta: 12.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.70ms. Allocated memory is still 109.1MB. Free memory was 70.8MB in the beginning and 68.8MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.45ms. Allocated memory is still 109.1MB. Free memory was 68.8MB in the beginning and 65.9MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 590.28ms. Allocated memory is still 109.1MB. Free memory was 65.9MB in the beginning and 51.6MB in the end (delta: 14.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 451331.63ms. Allocated memory was 109.1MB in the beginning and 1.1GB in the end (delta: 981.5MB). Free memory was 50.8MB in the beginning and 672.5MB in the end (delta: -621.6MB). Peak memory consumption was 354.3MB. Max. memory is 16.1GB. * Witness Printer took 4.20ms. Allocated memory is still 1.1GB. Free memory was 672.5MB in the beginning and 672.3MB in the end (delta: 154.8kB). Peak memory consumption was 8.4MB. 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 shiftLeft at line 45, overapproximation of shiftLeft at line 82. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 10; [L23] unsigned char var_1_3 = 4; [L24] unsigned char var_1_7 = 0; [L25] signed short int var_1_8 = 100; [L26] unsigned char var_1_9 = 32; [L27] signed long int var_1_10 = 9; [L28] signed long int var_1_11 = 0; [L29] signed short int var_1_12 = 1; [L30] signed long int var_1_14 = -16; [L31] unsigned char last_1_var_1_1 = 10; [L32] signed long int last_1_var_1_10 = 9; [L33] signed short int last_1_var_1_12 = 1; [L34] signed long int last_1_var_1_14 = -16; VAL [isInitial=0, last_1_var_1_10=9, last_1_var_1_12=1, last_1_var_1_14=-16, last_1_var_1_1=10, var_1_10=9, var_1_11=0, var_1_12=1, var_1_14=-16, var_1_1=10, var_1_3=4, var_1_7=0, var_1_8=100, var_1_9=32] [L86] isInitial = 1 [L87] FCALL initially() [L88] COND TRUE 1 [L89] CALL updateLastVariables() [L76] last_1_var_1_1 = var_1_1 [L77] last_1_var_1_10 = var_1_10 [L78] last_1_var_1_12 = var_1_12 [L79] last_1_var_1_14 = var_1_14 VAL [isInitial=1, last_1_var_1_10=9, last_1_var_1_12=1, last_1_var_1_14=-16, last_1_var_1_1=10, var_1_10=9, var_1_11=0, var_1_12=1, var_1_14=-16, var_1_1=10, var_1_3=4, var_1_7=0, var_1_8=100, var_1_9=32] [L89] RET updateLastVariables() [L90] CALL updateVariables() [L65] var_1_3 = __VERIFIER_nondet_uchar() [L66] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=9, last_1_var_1_12=1, last_1_var_1_14=-16, last_1_var_1_1=10, var_1_10=9, var_1_11=0, var_1_12=1, var_1_14=-16, var_1_1=10, var_1_7=0, var_1_8=100, var_1_9=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=9, last_1_var_1_12=1, last_1_var_1_14=-16, last_1_var_1_1=10, var_1_10=9, var_1_11=0, var_1_12=1, var_1_14=-16, var_1_1=10, var_1_7=0, var_1_8=100, var_1_9=32] [L66] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, last_1_var_1_10=9, last_1_var_1_12=1, last_1_var_1_14=-16, last_1_var_1_1=10, var_1_10=9, var_1_11=0, var_1_12=1, var_1_14=-16, var_1_1=10, var_1_7=0, var_1_8=100, var_1_9=32] [L67] CALL assume_abort_if_not(var_1_3 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=9, last_1_var_1_12=1, last_1_var_1_14=-16, last_1_var_1_1=10, var_1_10=9, var_1_11=0, var_1_12=1, var_1_14=-16, var_1_1=10, var_1_3=-244, var_1_7=0, var_1_8=100, var_1_9=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=9, last_1_var_1_12=1, last_1_var_1_14=-16, last_1_var_1_1=10, var_1_10=9, var_1_11=0, var_1_12=1, var_1_14=-16, var_1_1=10, var_1_3=-244, var_1_7=0, var_1_8=100, var_1_9=32] [L67] RET assume_abort_if_not(var_1_3 <= 254) VAL [isInitial=1, last_1_var_1_10=9, last_1_var_1_12=1, last_1_var_1_14=-16, last_1_var_1_1=10, var_1_10=9, var_1_11=0, var_1_12=1, var_1_14=-16, var_1_1=10, var_1_3=-244, var_1_7=0, var_1_8=100, var_1_9=32] [L68] var_1_7 = __VERIFIER_nondet_uchar() [L69] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=9, last_1_var_1_12=1, last_1_var_1_14=-16, last_1_var_1_1=10, var_1_10=9, var_1_11=0, var_1_12=1, var_1_14=-16, var_1_1=10, var_1_3=-244, var_1_8=100, var_1_9=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=9, last_1_var_1_12=1, last_1_var_1_14=-16, last_1_var_1_1=10, var_1_10=9, var_1_11=0, var_1_12=1, var_1_14=-16, var_1_1=10, var_1_3=-244, var_1_8=100, var_1_9=32] [L69] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_10=9, last_1_var_1_12=1, last_1_var_1_14=-16, last_1_var_1_1=10, var_1_10=9, var_1_11=0, var_1_12=1, var_1_14=-16, var_1_1=10, var_1_3=-244, var_1_8=100, var_1_9=32] [L70] CALL assume_abort_if_not(var_1_7 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=9, last_1_var_1_12=1, last_1_var_1_14=-16, last_1_var_1_1=10, var_1_10=9, var_1_11=0, var_1_12=1, var_1_14=-16, var_1_1=10, var_1_3=-244, var_1_7=0, var_1_8=100, var_1_9=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=9, last_1_var_1_12=1, last_1_var_1_14=-16, last_1_var_1_1=10, var_1_10=9, var_1_11=0, var_1_12=1, var_1_14=-16, var_1_1=10, var_1_3=-244, var_1_7=0, var_1_8=100, var_1_9=32] [L70] RET assume_abort_if_not(var_1_7 <= 1) VAL [isInitial=1, last_1_var_1_10=9, last_1_var_1_12=1, last_1_var_1_14=-16, last_1_var_1_1=10, var_1_10=9, var_1_11=0, var_1_12=1, var_1_14=-16, var_1_1=10, var_1_3=-244, var_1_7=0, var_1_8=100, var_1_9=32] [L71] var_1_11 = __VERIFIER_nondet_long() [L72] CALL assume_abort_if_not(var_1_11 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=9, last_1_var_1_12=1, last_1_var_1_14=-16, last_1_var_1_1=10, var_1_10=9, var_1_11=-2147483648, var_1_12=1, var_1_14=-16, var_1_1=10, var_1_3=-244, var_1_7=0, var_1_8=100, var_1_9=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=9, last_1_var_1_12=1, last_1_var_1_14=-16, last_1_var_1_1=10, var_1_10=9, var_1_11=-2147483648, var_1_12=1, var_1_14=-16, var_1_1=10, var_1_3=-244, var_1_7=0, var_1_8=100, var_1_9=32] [L72] RET assume_abort_if_not(var_1_11 >= -2147483648) VAL [isInitial=1, last_1_var_1_10=9, last_1_var_1_12=1, last_1_var_1_14=-16, last_1_var_1_1=10, var_1_10=9, var_1_11=-2147483648, var_1_12=1, var_1_14=-16, var_1_1=10, var_1_3=-244, var_1_7=0, var_1_8=100, var_1_9=32] [L73] CALL assume_abort_if_not(var_1_11 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=9, last_1_var_1_12=1, last_1_var_1_14=-16, last_1_var_1_1=10, var_1_10=9, var_1_11=-2147483648, var_1_12=1, var_1_14=-16, var_1_1=10, var_1_3=-244, var_1_7=0, var_1_8=100, var_1_9=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=9, last_1_var_1_12=1, last_1_var_1_14=-16, last_1_var_1_1=10, var_1_10=9, var_1_11=-2147483648, var_1_12=1, var_1_14=-16, var_1_1=10, var_1_3=-244, var_1_7=0, var_1_8=100, var_1_9=32] [L73] RET assume_abort_if_not(var_1_11 <= 2147483647) VAL [isInitial=1, last_1_var_1_10=9, last_1_var_1_12=1, last_1_var_1_14=-16, last_1_var_1_1=10, var_1_10=9, var_1_11=-2147483648, var_1_12=1, var_1_14=-16, var_1_1=10, var_1_3=-244, var_1_7=0, var_1_8=100, var_1_9=32] [L90] RET updateVariables() [L91] CALL step() [L38] unsigned char stepLocal_0 = last_1_var_1_10 > last_1_var_1_10; VAL [isInitial=1, last_1_var_1_10=9, last_1_var_1_12=1, last_1_var_1_14=-16, last_1_var_1_1=10, stepLocal_0=0, var_1_10=9, var_1_11=-2147483648, var_1_12=1, var_1_14=-16, var_1_1=10, var_1_3=-244, var_1_7=0, var_1_8=100, var_1_9=32] [L39] COND FALSE !(((last_1_var_1_12 + last_1_var_1_1) < 10) || stepLocal_0) [L42] var_1_12 = last_1_var_1_12 VAL [isInitial=1, last_1_var_1_10=9, last_1_var_1_12=1, last_1_var_1_14=-16, last_1_var_1_1=10, var_1_10=9, var_1_11=-2147483648, var_1_12=1, var_1_14=-16, var_1_1=10, var_1_3=-244, var_1_7=0, var_1_8=100, var_1_9=32] [L44] var_1_14 = var_1_12 VAL [isInitial=1, last_1_var_1_10=9, last_1_var_1_12=1, last_1_var_1_14=-16, last_1_var_1_1=10, var_1_10=9, var_1_11=-2147483648, var_1_12=1, var_1_14=1, var_1_1=10, var_1_3=-244, var_1_7=0, var_1_8=100, var_1_9=32] [L45] EXPR 10 << var_1_12 VAL [isInitial=1, last_1_var_1_10=9, last_1_var_1_12=1, last_1_var_1_14=-16, last_1_var_1_1=10, var_1_10=9, var_1_11=-2147483648, var_1_12=1, var_1_14=1, var_1_1=10, var_1_3=-244, var_1_7=0, var_1_8=100, var_1_9=32] [L45] COND FALSE !((10 << var_1_12) < (var_1_3 * var_1_14)) [L48] var_1_9 = 64 [L49] var_1_10 = var_1_11 VAL [isInitial=1, last_1_var_1_10=9, last_1_var_1_12=1, last_1_var_1_14=-16, last_1_var_1_1=10, var_1_10=-2147483648, var_1_11=-2147483648, var_1_12=1, var_1_14=1, var_1_1=10, var_1_3=-244, var_1_7=0, var_1_8=100, var_1_9=64] [L50] COND TRUE var_1_12 <= 16 [L51] var_1_1 = var_1_3 VAL [isInitial=1, last_1_var_1_10=9, last_1_var_1_12=1, last_1_var_1_14=-16, last_1_var_1_1=10, var_1_10=-2147483648, var_1_11=-2147483648, var_1_12=1, var_1_14=1, var_1_1=-244, var_1_3=-244, var_1_7=0, var_1_8=100, var_1_9=64] [L91] RET step() [L92] CALL, EXPR property() [L82] EXPR ((var_1_12 <= 16) ? (var_1_1 == ((unsigned char) var_1_3)) : ((((((var_1_10) > (var_1_10)) ? (var_1_10) : (var_1_10))) < var_1_10) ? (var_1_7 ? (var_1_1 == ((unsigned char) var_1_3)) : (var_1_1 == ((unsigned char) var_1_3))) : (var_1_1 == ((unsigned char) var_1_3)))) && (((10 << var_1_12) < (var_1_3 * var_1_14)) ? (var_1_8 == ((signed short int) (var_1_12 + var_1_14))) : 1) VAL [isInitial=1, last_1_var_1_10=9, last_1_var_1_12=1, last_1_var_1_14=-16, last_1_var_1_1=10, var_1_10=-2147483648, var_1_11=-2147483648, var_1_12=1, var_1_14=1, var_1_1=-244, var_1_3=-244, var_1_7=0, var_1_8=100, var_1_9=64] [L82] EXPR 10 << var_1_12 VAL [isInitial=1, last_1_var_1_10=9, last_1_var_1_12=1, last_1_var_1_14=-16, last_1_var_1_1=10, var_1_10=-2147483648, var_1_11=-2147483648, var_1_12=1, var_1_14=1, var_1_1=-244, var_1_3=-244, var_1_7=0, var_1_8=100, var_1_9=64] [L82] EXPR ((var_1_12 <= 16) ? (var_1_1 == ((unsigned char) var_1_3)) : ((((((var_1_10) > (var_1_10)) ? (var_1_10) : (var_1_10))) < var_1_10) ? (var_1_7 ? (var_1_1 == ((unsigned char) var_1_3)) : (var_1_1 == ((unsigned char) var_1_3))) : (var_1_1 == ((unsigned char) var_1_3)))) && (((10 << var_1_12) < (var_1_3 * var_1_14)) ? (var_1_8 == ((signed short int) (var_1_12 + var_1_14))) : 1) VAL [isInitial=1, last_1_var_1_10=9, last_1_var_1_12=1, last_1_var_1_14=-16, last_1_var_1_1=10, var_1_10=-2147483648, var_1_11=-2147483648, var_1_12=1, var_1_14=1, var_1_1=-244, var_1_3=-244, var_1_7=0, var_1_8=100, var_1_9=64] [L82-L83] return ((((((var_1_12 <= 16) ? (var_1_1 == ((unsigned char) var_1_3)) : ((((((var_1_10) > (var_1_10)) ? (var_1_10) : (var_1_10))) < var_1_10) ? (var_1_7 ? (var_1_1 == ((unsigned char) var_1_3)) : (var_1_1 == ((unsigned char) var_1_3))) : (var_1_1 == ((unsigned char) var_1_3)))) && (((10 << var_1_12) < (var_1_3 * var_1_14)) ? (var_1_8 == ((signed short int) (var_1_12 + var_1_14))) : 1)) && (var_1_9 == ((unsigned char) 64))) && (var_1_10 == ((signed long int) var_1_11))) && ((((last_1_var_1_12 + last_1_var_1_1) < 10) || (last_1_var_1_10 > last_1_var_1_10)) ? (var_1_12 == ((signed short int) ((((((var_1_3 + last_1_var_1_12) - ((((last_1_var_1_14) > (last_1_var_1_12)) ? (last_1_var_1_14) : (last_1_var_1_12))))) > (last_1_var_1_1)) ? (((var_1_3 + last_1_var_1_12) - ((((last_1_var_1_14) > (last_1_var_1_12)) ? (last_1_var_1_14) : (last_1_var_1_12))))) : (last_1_var_1_1))))) : (var_1_12 == ((signed short int) last_1_var_1_12)))) && (var_1_14 == ((signed long int) var_1_12)) ; [L92] RET, EXPR property() [L92] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_10=9, last_1_var_1_12=1, last_1_var_1_14=-16, last_1_var_1_1=10, var_1_10=-2147483648, var_1_11=-2147483648, var_1_12=1, var_1_14=1, var_1_1=-244, var_1_3=-244, var_1_7=0, var_1_8=100, var_1_9=64] [L19] reach_error() VAL [isInitial=1, last_1_var_1_10=9, last_1_var_1_12=1, last_1_var_1_14=-16, last_1_var_1_1=10, var_1_10=-2147483648, var_1_11=-2147483648, var_1_12=1, var_1_14=1, var_1_1=-244, var_1_3=-244, var_1_7=0, var_1_8=100, var_1_9=64] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 42 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 451.2s, OverallIterations: 6, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 222 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 222 mSDsluCounter, 751 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 546 mSDsCounter, 80 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 314 IncrementalHoareTripleChecker+Invalid, 394 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 80 mSolverCounterUnsat, 205 mSDtfsCounter, 314 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 105 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=148occurred in iteration=5, InterpolantAutomatonStates: 28, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 120 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 448.7s InterpolantComputationTime, 366 NumberOfCodeBlocks, 366 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 253 ConstructedInterpolants, 0 QuantifiedInterpolants, 2350 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 300/300 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 [2024-11-13 13:22:40,848 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8657b7d5-cdfa-476e-93fd-dad64bdf9889/bin/uautomizer-verify-qhAvR1uOyd/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: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8657b7d5-cdfa-476e-93fd-dad64bdf9889/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8657b7d5-cdfa-476e-93fd-dad64bdf9889/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8657b7d5-cdfa-476e-93fd-dad64bdf9889/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8657b7d5-cdfa-476e-93fd-dad64bdf9889/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-9.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8657b7d5-cdfa-476e-93fd-dad64bdf9889/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8657b7d5-cdfa-476e-93fd-dad64bdf9889/bin/uautomizer-verify-qhAvR1uOyd --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 de05dd5e3bf0aa71208c9225f4fdf36a7def96a9278aed9da8f88e67d49713ff --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 13:22:43,447 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 13:22:43,577 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8657b7d5-cdfa-476e-93fd-dad64bdf9889/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-13 13:22:43,598 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 13:22:43,599 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 13:22:43,639 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 13:22:43,640 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 13:22:43,640 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 13:22:43,641 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 13:22:43,641 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 13:22:43,642 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 13:22:43,642 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 13:22:43,643 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 13:22:43,643 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 13:22:43,643 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 13:22:43,643 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 13:22:43,643 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 13:22:43,643 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 13:22:43,643 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 13:22:43,644 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 13:22:43,644 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 13:22:43,644 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 13:22:43,644 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 13:22:43,644 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 13:22:43,644 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 13:22:43,645 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 13:22:43,645 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 13:22:43,645 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 13:22:43,645 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 13:22:43,645 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 13:22:43,646 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 13:22:43,646 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 13:22:43,646 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 13:22:43,646 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 13:22:43,646 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:22:43,646 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 13:22:43,647 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 13:22:43,647 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 13:22:43,647 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-13 13:22:43,647 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 13:22:43,648 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 13:22:43,648 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 13:22:43,648 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 13:22:43,648 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 13:22:43,648 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 -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8657b7d5-cdfa-476e-93fd-dad64bdf9889/bin/uautomizer-verify-qhAvR1uOyd 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 -> de05dd5e3bf0aa71208c9225f4fdf36a7def96a9278aed9da8f88e67d49713ff [2024-11-13 13:22:43,928 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 13:22:43,940 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 13:22:43,942 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 13:22:43,945 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 13:22:43,945 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 13:22:43,948 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8657b7d5-cdfa-476e-93fd-dad64bdf9889/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-9.i Unable to find full path for "g++" [2024-11-13 13:22:45,904 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 13:22:46,142 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 13:22:46,144 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8657b7d5-cdfa-476e-93fd-dad64bdf9889/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-9.i [2024-11-13 13:22:46,157 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8657b7d5-cdfa-476e-93fd-dad64bdf9889/bin/uautomizer-verify-qhAvR1uOyd/data/3b8402224/ab1154cbdbc64eb9a5f80f91bb8c31e0/FLAGa12abad0f [2024-11-13 13:22:46,185 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8657b7d5-cdfa-476e-93fd-dad64bdf9889/bin/uautomizer-verify-qhAvR1uOyd/data/3b8402224/ab1154cbdbc64eb9a5f80f91bb8c31e0 [2024-11-13 13:22:46,188 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 13:22:46,190 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 13:22:46,193 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 13:22:46,193 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 13:22:46,201 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 13:22:46,202 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:22:46" (1/1) ... [2024-11-13 13:22:46,203 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13f6fbe1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:22:46, skipping insertion in model container [2024-11-13 13:22:46,206 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:22:46" (1/1) ... [2024-11-13 13:22:46,224 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 13:22:46,393 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8657b7d5-cdfa-476e-93fd-dad64bdf9889/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-9.i[915,928] [2024-11-13 13:22:46,451 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:22:46,469 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 13:22:46,480 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8657b7d5-cdfa-476e-93fd-dad64bdf9889/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-9.i[915,928] [2024-11-13 13:22:46,515 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:22:46,540 INFO L204 MainTranslator]: Completed translation [2024-11-13 13:22:46,541 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:22:46 WrapperNode [2024-11-13 13:22:46,542 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 13:22:46,542 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 13:22:46,543 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 13:22:46,543 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 13:22:46,550 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:22:46" (1/1) ... [2024-11-13 13:22:46,562 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:22:46" (1/1) ... [2024-11-13 13:22:46,585 INFO L138 Inliner]: procedures = 27, calls = 19, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 81 [2024-11-13 13:22:46,589 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 13:22:46,590 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 13:22:46,590 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 13:22:46,591 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 13:22:46,597 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:22:46" (1/1) ... [2024-11-13 13:22:46,598 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:22:46" (1/1) ... [2024-11-13 13:22:46,600 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:22:46" (1/1) ... [2024-11-13 13:22:46,613 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]. [2024-11-13 13:22:46,613 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:22:46" (1/1) ... [2024-11-13 13:22:46,614 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:22:46" (1/1) ... [2024-11-13 13:22:46,621 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:22:46" (1/1) ... [2024-11-13 13:22:46,624 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:22:46" (1/1) ... [2024-11-13 13:22:46,626 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:22:46" (1/1) ... [2024-11-13 13:22:46,627 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:22:46" (1/1) ... [2024-11-13 13:22:46,630 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 13:22:46,631 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 13:22:46,631 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 13:22:46,631 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 13:22:46,632 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:22:46" (1/1) ... [2024-11-13 13:22:46,638 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:22:46,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8657b7d5-cdfa-476e-93fd-dad64bdf9889/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:22:46,664 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8657b7d5-cdfa-476e-93fd-dad64bdf9889/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 13:22:46,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8657b7d5-cdfa-476e-93fd-dad64bdf9889/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 13:22:46,689 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 13:22:46,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-13 13:22:46,689 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 13:22:46,689 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 13:22:46,689 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 13:22:46,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 13:22:46,762 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 13:22:46,764 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 13:22:46,970 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-13 13:22:46,970 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 13:22:46,981 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 13:22:46,981 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 13:22:46,981 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:22:46 BoogieIcfgContainer [2024-11-13 13:22:46,982 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 13:22:46,985 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 13:22:46,985 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 13:22:46,990 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 13:22:46,991 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 01:22:46" (1/3) ... [2024-11-13 13:22:46,992 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7289f378 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:22:46, skipping insertion in model container [2024-11-13 13:22:46,992 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:22:46" (2/3) ... [2024-11-13 13:22:46,992 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7289f378 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:22:46, skipping insertion in model container [2024-11-13 13:22:46,992 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:22:46" (3/3) ... [2024-11-13 13:22:46,993 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-9.i [2024-11-13 13:22:47,009 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 13:22:47,011 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_floatingpointinfluence_no-floats_file-9.i that has 2 procedures, 35 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-13 13:22:47,073 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 13:22:47,085 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;@6b0779d1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 13:22:47,086 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 13:22:47,089 INFO L276 IsEmpty]: Start isEmpty. Operand has 35 states, 26 states have (on average 1.3846153846153846) internal successors, (36), 27 states have internal predecessors, (36), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-13 13:22:47,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-13 13:22:47,098 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:22:47,098 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:22:47,099 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:22:47,103 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:22:47,104 INFO L85 PathProgramCache]: Analyzing trace with hash 1029289687, now seen corresponding path program 1 times [2024-11-13 13:22:47,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 13:22:47,114 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1086229330] [2024-11-13 13:22:47,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:22:47,115 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:22:47,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8657b7d5-cdfa-476e-93fd-dad64bdf9889/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:22:47,117 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8657b7d5-cdfa-476e-93fd-dad64bdf9889/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:22:47,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8657b7d5-cdfa-476e-93fd-dad64bdf9889/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-13 13:22:47,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:22:47,283 INFO L255 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 13:22:47,288 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:22:47,325 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2024-11-13 13:22:47,326 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 13:22:47,326 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 13:22:47,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1086229330] [2024-11-13 13:22:47,327 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1086229330] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:22:47,327 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:22:47,328 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:22:47,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457213843] [2024-11-13 13:22:47,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:22:47,336 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 13:22:47,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 13:22:47,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 13:22:47,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 13:22:47,362 INFO L87 Difference]: Start difference. First operand has 35 states, 26 states have (on average 1.3846153846153846) internal successors, (36), 27 states have internal predecessors, (36), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) 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, (6), 2 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-13 13:22:47,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:22:47,386 INFO L93 Difference]: Finished difference Result 62 states and 94 transitions. [2024-11-13 13:22:47,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 13:22:47,388 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, (6), 2 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 2 states have call successors, (6) Word has length 47 [2024-11-13 13:22:47,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:22:47,394 INFO L225 Difference]: With dead ends: 62 [2024-11-13 13:22:47,395 INFO L226 Difference]: Without dead ends: 30 [2024-11-13 13:22:47,397 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 13:22:47,402 INFO L432 NwaCegarLoop]: 38 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, 38 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 [2024-11-13 13:22:47,404 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 13:22:47,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2024-11-13 13:22:47,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2024-11-13 13:22:47,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 22 states have (on average 1.1818181818181819) internal successors, (26), 22 states have internal predecessors, (26), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-13 13:22:47,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 38 transitions. [2024-11-13 13:22:47,446 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 38 transitions. Word has length 47 [2024-11-13 13:22:47,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:22:47,447 INFO L471 AbstractCegarLoop]: Abstraction has 30 states and 38 transitions. [2024-11-13 13:22:47,447 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, (6), 2 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-13 13:22:47,448 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 38 transitions. [2024-11-13 13:22:47,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-13 13:22:47,451 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:22:47,451 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:22:47,477 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8657b7d5-cdfa-476e-93fd-dad64bdf9889/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-13 13:22:47,652 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8657b7d5-cdfa-476e-93fd-dad64bdf9889/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:22:47,652 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:22:47,653 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:22:47,653 INFO L85 PathProgramCache]: Analyzing trace with hash 1779683351, now seen corresponding path program 1 times [2024-11-13 13:22:47,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 13:22:47,654 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1718053878] [2024-11-13 13:22:47,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:22:47,654 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:22:47,655 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8657b7d5-cdfa-476e-93fd-dad64bdf9889/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:22:47,657 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8657b7d5-cdfa-476e-93fd-dad64bdf9889/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:22:47,658 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8657b7d5-cdfa-476e-93fd-dad64bdf9889/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-13 13:22:47,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:22:47,783 INFO L255 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 13:22:47,791 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:22:48,363 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-13 13:22:48,364 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 13:22:48,364 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 13:22:48,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1718053878] [2024-11-13 13:22:48,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1718053878] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:22:48,364 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:22:48,364 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 13:22:48,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126657306] [2024-11-13 13:22:48,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:22:48,366 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 13:22:48,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 13:22:48,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 13:22:48,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:22:48,368 INFO L87 Difference]: Start difference. First operand 30 states and 38 transitions. Second operand has 5 states, 5 states have (on average 4.0) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-13 13:22:48,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:22:48,615 INFO L93 Difference]: Finished difference Result 84 states and 108 transitions. [2024-11-13 13:22:48,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 13:22:48,616 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.0) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 47 [2024-11-13 13:22:48,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:22:48,617 INFO L225 Difference]: With dead ends: 84 [2024-11-13 13:22:48,617 INFO L226 Difference]: Without dead ends: 57 [2024-11-13 13:22:48,618 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-13 13:22:48,619 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 26 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 13:22:48,619 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 103 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 13:22:48,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2024-11-13 13:22:48,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 50. [2024-11-13 13:22:48,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 35 states have (on average 1.1428571428571428) internal successors, (40), 35 states have internal predecessors, (40), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-13 13:22:48,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 64 transitions. [2024-11-13 13:22:48,644 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 64 transitions. Word has length 47 [2024-11-13 13:22:48,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:22:48,645 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 64 transitions. [2024-11-13 13:22:48,645 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.0) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-13 13:22:48,645 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 64 transitions. [2024-11-13 13:22:48,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-13 13:22:48,647 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:22:48,647 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:22:48,669 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8657b7d5-cdfa-476e-93fd-dad64bdf9889/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-13 13:22:48,849 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8657b7d5-cdfa-476e-93fd-dad64bdf9889/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:22:48,849 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:22:48,850 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:22:48,850 INFO L85 PathProgramCache]: Analyzing trace with hash -1835225575, now seen corresponding path program 1 times [2024-11-13 13:22:48,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 13:22:48,850 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1734094059] [2024-11-13 13:22:48,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:22:48,851 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:22:48,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8657b7d5-cdfa-476e-93fd-dad64bdf9889/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:22:48,854 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8657b7d5-cdfa-476e-93fd-dad64bdf9889/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:22:48,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8657b7d5-cdfa-476e-93fd-dad64bdf9889/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-13 13:22:48,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:22:48,958 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 13:22:48,964 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:23:40,645 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-13 13:23:40,646 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 13:23:40,646 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 13:23:40,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1734094059] [2024-11-13 13:23:40,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1734094059] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:23:40,647 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:23:40,648 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-13 13:23:40,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628015144] [2024-11-13 13:23:40,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:23:40,648 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-13 13:23:40,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 13:23:40,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-13 13:23:40,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2024-11-13 13:23:40,651 INFO L87 Difference]: Start difference. First operand 50 states and 64 transitions. Second operand has 13 states, 13 states have (on average 1.7692307692307692) internal successors, (23), 12 states have internal predecessors, (23), 1 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-13 13:23:41,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:23:41,206 INFO L93 Difference]: Finished difference Result 128 states and 162 transitions. [2024-11-13 13:23:41,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 13:23:41,209 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 1.7692307692307692) internal successors, (23), 12 states have internal predecessors, (23), 1 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 47 [2024-11-13 13:23:41,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:23:41,211 INFO L225 Difference]: With dead ends: 128 [2024-11-13 13:23:41,211 INFO L226 Difference]: Without dead ends: 101 [2024-11-13 13:23:41,211 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=97, Invalid=245, Unknown=0, NotChecked=0, Total=342 [2024-11-13 13:23:41,214 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 53 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 177 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 170 SdHoareTripleChecker+Invalid, 196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-13 13:23:41,216 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 170 Invalid, 196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-13 13:23:41,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2024-11-13 13:23:41,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 75. [2024-11-13 13:23:41,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 53 states have (on average 1.1320754716981132) internal successors, (60), 53 states have internal predecessors, (60), 18 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-13 13:23:41,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 96 transitions. [2024-11-13 13:23:41,240 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 96 transitions. Word has length 47 [2024-11-13 13:23:41,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:23:41,241 INFO L471 AbstractCegarLoop]: Abstraction has 75 states and 96 transitions. [2024-11-13 13:23:41,241 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 1.7692307692307692) internal successors, (23), 12 states have internal predecessors, (23), 1 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-13 13:23:41,241 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 96 transitions. [2024-11-13 13:23:41,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-13 13:23:41,243 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:23:41,243 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:23:41,265 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8657b7d5-cdfa-476e-93fd-dad64bdf9889/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-13 13:23:41,443 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8657b7d5-cdfa-476e-93fd-dad64bdf9889/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:23:41,444 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:23:41,444 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:23:41,444 INFO L85 PathProgramCache]: Analyzing trace with hash -60218213, now seen corresponding path program 1 times [2024-11-13 13:23:41,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 13:23:41,445 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [708902154] [2024-11-13 13:23:41,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:23:41,445 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:23:41,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8657b7d5-cdfa-476e-93fd-dad64bdf9889/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:23:41,448 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8657b7d5-cdfa-476e-93fd-dad64bdf9889/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:23:41,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8657b7d5-cdfa-476e-93fd-dad64bdf9889/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-13 13:23:41,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:23:41,522 INFO L255 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 13:23:41,527 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:24:07,078 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-13 13:24:07,078 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 13:24:07,079 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 13:24:07,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [708902154] [2024-11-13 13:24:07,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [708902154] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:24:07,079 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:24:07,079 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-13 13:24:07,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641958652] [2024-11-13 13:24:07,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:24:07,080 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-13 13:24:07,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 13:24:07,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-13 13:24:07,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2024-11-13 13:24:07,081 INFO L87 Difference]: Start difference. First operand 75 states and 96 transitions. Second operand has 13 states, 13 states have (on average 1.7692307692307692) internal successors, (23), 12 states have internal predecessors, (23), 1 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-13 13:24:07,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:24:07,561 INFO L93 Difference]: Finished difference Result 95 states and 117 transitions. [2024-11-13 13:24:07,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 13:24:07,563 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 1.7692307692307692) internal successors, (23), 12 states have internal predecessors, (23), 1 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 47 [2024-11-13 13:24:07,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:24:07,565 INFO L225 Difference]: With dead ends: 95 [2024-11-13 13:24:07,565 INFO L226 Difference]: Without dead ends: 93 [2024-11-13 13:24:07,565 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=97, Invalid=245, Unknown=0, NotChecked=0, Total=342 [2024-11-13 13:24:07,566 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 47 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 178 SdHoareTripleChecker+Invalid, 206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 13:24:07,566 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 178 Invalid, 206 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 13:24:07,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2024-11-13 13:24:07,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 70. [2024-11-13 13:24:07,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 48 states have (on average 1.125) internal successors, (54), 48 states have internal predecessors, (54), 18 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-13 13:24:07,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 90 transitions. [2024-11-13 13:24:07,589 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 90 transitions. Word has length 47 [2024-11-13 13:24:07,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:24:07,590 INFO L471 AbstractCegarLoop]: Abstraction has 70 states and 90 transitions. [2024-11-13 13:24:07,591 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 1.7692307692307692) internal successors, (23), 12 states have internal predecessors, (23), 1 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-13 13:24:07,591 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 90 transitions. [2024-11-13 13:24:07,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-13 13:24:07,593 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:24:07,593 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:24:07,614 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8657b7d5-cdfa-476e-93fd-dad64bdf9889/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-13 13:24:07,793 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8657b7d5-cdfa-476e-93fd-dad64bdf9889/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:24:07,794 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:24:07,794 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:24:07,794 INFO L85 PathProgramCache]: Analyzing trace with hash 141822128, now seen corresponding path program 1 times [2024-11-13 13:24:07,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 13:24:07,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [755215359] [2024-11-13 13:24:07,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:24:07,795 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:24:07,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8657b7d5-cdfa-476e-93fd-dad64bdf9889/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:24:07,797 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8657b7d5-cdfa-476e-93fd-dad64bdf9889/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:24:07,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8657b7d5-cdfa-476e-93fd-dad64bdf9889/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-13 13:24:07,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:24:07,916 INFO L255 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-13 13:24:07,923 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:24:39,663 INFO L134 CoverageAnalysis]: Checked inductivity of 283 backedges. 16 proven. 25 refuted. 0 times theorem prover too weak. 242 trivial. 0 not checked. [2024-11-13 13:24:39,663 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:26:15,521 INFO L134 CoverageAnalysis]: Checked inductivity of 283 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 275 trivial. 0 not checked. [2024-11-13 13:26:15,522 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 13:26:15,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [755215359] [2024-11-13 13:26:15,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [755215359] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-13 13:26:15,522 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 13:26:15,522 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [13] total 22 [2024-11-13 13:26:15,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098340649] [2024-11-13 13:26:15,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:26:15,523 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-13 13:26:15,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 13:26:15,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-13 13:26:15,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=375, Unknown=0, NotChecked=0, Total=462 [2024-11-13 13:26:15,524 INFO L87 Difference]: Start difference. First operand 70 states and 90 transitions. Second operand has 10 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-13 13:26:20,669 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.39s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 13:26:20,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:26:20,675 INFO L93 Difference]: Finished difference Result 70 states and 90 transitions. [2024-11-13 13:26:20,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-13 13:26:20,677 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 91 [2024-11-13 13:26:20,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:26:20,677 INFO L225 Difference]: With dead ends: 70 [2024-11-13 13:26:20,677 INFO L226 Difference]: Without dead ends: 0 [2024-11-13 13:26:20,678 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 125 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=103, Invalid=449, Unknown=0, NotChecked=0, Total=552 [2024-11-13 13:26:20,679 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 20 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2024-11-13 13:26:20,679 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 113 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2024-11-13 13:26:20,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-13 13:26:20,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-13 13:26:20,680 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) [2024-11-13 13:26:20,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-13 13:26:20,680 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 91 [2024-11-13 13:26:20,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:26:20,681 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-13 13:26:20,685 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-13 13:26:20,685 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-13 13:26:20,685 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 13:26:20,688 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-13 13:26:20,708 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8657b7d5-cdfa-476e-93fd-dad64bdf9889/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-13 13:26:20,892 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8657b7d5-cdfa-476e-93fd-dad64bdf9889/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:26:20,895 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-13 13:26:20,897 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-13 13:26:21,690 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 13:26:21,702 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-11-13 13:26:21,703 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-11-13 13:26:21,703 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-11-13 13:26:21,704 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-11-13 13:26:21,715 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 01:26:21 BoogieIcfgContainer [2024-11-13 13:26:21,715 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 13:26:21,717 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 13:26:21,717 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 13:26:21,717 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 13:26:21,718 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:22:46" (3/4) ... [2024-11-13 13:26:21,720 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 13:26:21,725 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-13 13:26:21,730 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-11-13 13:26:21,732 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-13 13:26:21,732 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-13 13:26:21,732 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 13:26:21,832 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8657b7d5-cdfa-476e-93fd-dad64bdf9889/bin/uautomizer-verify-qhAvR1uOyd/witness.graphml [2024-11-13 13:26:21,833 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8657b7d5-cdfa-476e-93fd-dad64bdf9889/bin/uautomizer-verify-qhAvR1uOyd/witness.yml [2024-11-13 13:26:21,833 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 13:26:21,835 INFO L158 Benchmark]: Toolchain (without parser) took 215643.41ms. Allocated memory was 83.9MB in the beginning and 1.2GB in the end (delta: 1.1GB). Free memory was 60.9MB in the beginning and 865.8MB in the end (delta: -804.9MB). Peak memory consumption was 314.4MB. Max. memory is 16.1GB. [2024-11-13 13:26:21,836 INFO L158 Benchmark]: CDTParser took 1.58ms. Allocated memory is still 83.9MB. Free memory is still 65.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:26:21,836 INFO L158 Benchmark]: CACSL2BoogieTranslator took 349.14ms. Allocated memory is still 83.9MB. Free memory was 60.9MB in the beginning and 48.0MB in the end (delta: 13.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 13:26:21,837 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.12ms. Allocated memory is still 83.9MB. Free memory was 48.0MB in the beginning and 46.6MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 13:26:21,837 INFO L158 Benchmark]: Boogie Preprocessor took 39.82ms. Allocated memory is still 83.9MB. Free memory was 46.6MB in the beginning and 44.6MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:26:21,837 INFO L158 Benchmark]: RCFGBuilder took 351.07ms. Allocated memory is still 83.9MB. Free memory was 44.3MB in the beginning and 31.5MB in the end (delta: 12.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 13:26:21,837 INFO L158 Benchmark]: TraceAbstraction took 214730.43ms. Allocated memory was 83.9MB in the beginning and 1.2GB in the end (delta: 1.1GB). Free memory was 31.0MB in the beginning and 869.8MB in the end (delta: -838.9MB). Peak memory consumption was 289.2MB. Max. memory is 16.1GB. [2024-11-13 13:26:21,838 INFO L158 Benchmark]: Witness Printer took 116.10ms. Allocated memory is still 1.2GB. Free memory was 869.8MB in the beginning and 865.8MB in the end (delta: 4.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:26:21,840 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.58ms. Allocated memory is still 83.9MB. Free memory is still 65.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 349.14ms. Allocated memory is still 83.9MB. Free memory was 60.9MB in the beginning and 48.0MB in the end (delta: 13.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.12ms. Allocated memory is still 83.9MB. Free memory was 48.0MB in the beginning and 46.6MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.82ms. Allocated memory is still 83.9MB. Free memory was 46.6MB in the beginning and 44.6MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 351.07ms. Allocated memory is still 83.9MB. Free memory was 44.3MB in the beginning and 31.5MB in the end (delta: 12.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 214730.43ms. Allocated memory was 83.9MB in the beginning and 1.2GB in the end (delta: 1.1GB). Free memory was 31.0MB in the beginning and 869.8MB in the end (delta: -838.9MB). Peak memory consumption was 289.2MB. Max. memory is 16.1GB. * Witness Printer took 116.10ms. Allocated memory is still 1.2GB. Free memory was 869.8MB in the beginning and 865.8MB in the end (delta: 4.0MB). 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: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression * 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, 35 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 213.8s, OverallIterations: 5, TraceHistogramMax: 12, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 6.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 146 SdHoareTripleChecker+Valid, 5.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 146 mSDsluCounter, 602 SdHoareTripleChecker+Invalid, 5.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 465 mSDsCounter, 56 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 477 IncrementalHoareTripleChecker+Invalid, 533 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 56 mSolverCounterUnsat, 137 mSDtfsCounter, 477 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 380 GetRequests, 319 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 211 ImplicationChecksByTransitivity, 4.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=75occurred in iteration=3, InterpolantAutomatonStates: 45, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 56 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 205.5s InterpolantComputationTime, 279 NumberOfCodeBlocks, 279 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 364 ConstructedInterpolants, 1 QuantifiedInterpolants, 3263 SizeOfPredicates, 50 NumberOfNonLiveVariables, 537 ConjunctsInSsa, 61 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 781/806 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: 88]: Loop Invariant Derived loop invariant: (((((10 == last_1_var_1_1) && (var_1_1 == 10)) && (1 == var_1_12)) && (last_1_var_1_12 == 1)) || (((((64 == var_1_9) && (var_1_14 == var_1_12)) && (((var_1_12 == last_1_var_1_12) && (var_1_1 == var_1_3)) || (((last_1_var_1_1 + last_1_var_1_12) % 4294967296) < 10))) && (var_1_11 == var_1_10)) && ((var_1_1 == var_1_3) || !(((last_1_var_1_1 + last_1_var_1_12) % 4294967296) < 10)))) - ProcedureContractResult [Line: 20]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not. Ensures: ((((last_1_var_1_12 != 1) || (0 != cond)) || (1 != var_1_12)) && ((((((((((((((isInitial == \old(isInitial)) && (var_1_1 == \old(var_1_1))) && (var_1_3 == \old(var_1_3))) && (var_1_7 == \old(var_1_7))) && (var_1_8 == \old(var_1_8))) && (var_1_9 == \old(var_1_9))) && (var_1_10 == \old(var_1_10))) && (var_1_11 == \old(var_1_11))) && (var_1_12 == \old(var_1_12))) && (var_1_14 == \old(var_1_14))) && (last_1_var_1_1 == \old(last_1_var_1_1))) && (last_1_var_1_10 == \old(last_1_var_1_10))) && (last_1_var_1_12 == \old(last_1_var_1_12))) && (last_1_var_1_14 == \old(last_1_var_1_14)))) RESULT: Ultimate proved your program to be correct! [2024-11-13 13:26:21,904 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8657b7d5-cdfa-476e-93fd-dad64bdf9889/bin/uautomizer-verify-qhAvR1uOyd/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