./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-19.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56864fe8-c589-4205-828a-a08ce539379b/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56864fe8-c589-4205-828a-a08ce539379b/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56864fe8-c589-4205-828a-a08ce539379b/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56864fe8-c589-4205-828a-a08ce539379b/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-19.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56864fe8-c589-4205-828a-a08ce539379b/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56864fe8-c589-4205-828a-a08ce539379b/bin/uautomizer-verify-aQ6SnzHsRB --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 1468ae9494935c4bc43ed68b308a451a438fac384f54d7bea348a26619f918ac --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 02:51:56,473 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 02:51:56,582 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56864fe8-c589-4205-828a-a08ce539379b/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-28 02:51:56,589 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 02:51:56,589 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 02:51:56,634 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 02:51:56,635 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 02:51:56,636 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 02:51:56,636 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 02:51:56,636 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 02:51:56,637 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 02:51:56,638 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 02:51:56,638 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 02:51:56,638 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 02:51:56,639 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 02:51:56,639 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 02:51:56,639 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 02:51:56,639 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 02:51:56,639 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 02:51:56,640 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 02:51:56,640 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 02:51:56,640 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 02:51:56,641 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 02:51:56,641 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 02:51:56,641 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 02:51:56,641 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 02:51:56,641 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 02:51:56,641 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 02:51:56,642 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 02:51:56,642 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:51:56,642 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:51:56,642 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:51:56,642 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:51:56,642 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 02:51:56,642 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:51:56,643 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:51:56,643 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:51:56,644 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:51:56,644 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 02:51:56,644 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 02:51:56,644 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 02:51:56,644 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 02:51:56,644 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 02:51:56,645 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 02:51:56,645 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 02:51:56,645 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 02:51:56,645 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 02:51:56,645 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 02:51:56,645 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_56864fe8-c589-4205-828a-a08ce539379b/bin/uautomizer-verify-aQ6SnzHsRB 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 -> 1468ae9494935c4bc43ed68b308a451a438fac384f54d7bea348a26619f918ac [2024-11-28 02:51:56,947 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 02:51:56,962 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 02:51:56,964 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 02:51:56,966 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 02:51:56,967 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 02:51:56,968 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56864fe8-c589-4205-828a-a08ce539379b/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-19.i [2024-11-28 02:52:00,024 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56864fe8-c589-4205-828a-a08ce539379b/bin/uautomizer-verify-aQ6SnzHsRB/data/5649d32d7/4b95940f229e41178141bb9db90605a5/FLAG0980fbfe7 [2024-11-28 02:52:00,357 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 02:52:00,358 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56864fe8-c589-4205-828a-a08ce539379b/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-19.i [2024-11-28 02:52:00,367 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56864fe8-c589-4205-828a-a08ce539379b/bin/uautomizer-verify-aQ6SnzHsRB/data/5649d32d7/4b95940f229e41178141bb9db90605a5/FLAG0980fbfe7 [2024-11-28 02:52:00,386 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56864fe8-c589-4205-828a-a08ce539379b/bin/uautomizer-verify-aQ6SnzHsRB/data/5649d32d7/4b95940f229e41178141bb9db90605a5 [2024-11-28 02:52:00,388 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 02:52:00,389 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 02:52:00,390 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 02:52:00,390 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 02:52:00,395 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 02:52:00,396 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:52:00" (1/1) ... [2024-11-28 02:52:00,397 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e8140ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:52:00, skipping insertion in model container [2024-11-28 02:52:00,397 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:52:00" (1/1) ... [2024-11-28 02:52:00,427 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 02:52:00,564 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_56864fe8-c589-4205-828a-a08ce539379b/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-19.i[915,928] [2024-11-28 02:52:00,637 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:52:00,652 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 02:52:00,662 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_56864fe8-c589-4205-828a-a08ce539379b/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-19.i[915,928] [2024-11-28 02:52:00,701 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:52:00,719 INFO L204 MainTranslator]: Completed translation [2024-11-28 02:52:00,720 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:52:00 WrapperNode [2024-11-28 02:52:00,720 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 02:52:00,721 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 02:52:00,721 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 02:52:00,721 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 02:52:00,732 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:52:00" (1/1) ... [2024-11-28 02:52:00,743 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:52:00" (1/1) ... [2024-11-28 02:52:00,805 INFO L138 Inliner]: procedures = 26, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 147 [2024-11-28 02:52:00,805 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 02:52:00,806 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 02:52:00,806 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 02:52:00,806 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 02:52:00,816 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:52:00" (1/1) ... [2024-11-28 02:52:00,816 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:52:00" (1/1) ... [2024-11-28 02:52:00,826 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:52:00" (1/1) ... [2024-11-28 02:52:00,862 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]. [2024-11-28 02:52:00,863 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:52:00" (1/1) ... [2024-11-28 02:52:00,863 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:52:00" (1/1) ... [2024-11-28 02:52:00,881 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:52:00" (1/1) ... [2024-11-28 02:52:00,882 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:52:00" (1/1) ... [2024-11-28 02:52:00,888 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:52:00" (1/1) ... [2024-11-28 02:52:00,894 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:52:00" (1/1) ... [2024-11-28 02:52:00,896 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:52:00" (1/1) ... [2024-11-28 02:52:00,901 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 02:52:00,904 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 02:52:00,904 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 02:52:00,904 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 02:52:00,906 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:52:00" (1/1) ... [2024-11-28 02:52:00,913 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:52:00,926 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56864fe8-c589-4205-828a-a08ce539379b/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:52:00,939 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56864fe8-c589-4205-828a-a08ce539379b/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 02:52:00,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56864fe8-c589-4205-828a-a08ce539379b/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 02:52:00,969 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 02:52:00,969 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 02:52:00,969 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 02:52:00,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 02:52:00,970 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 02:52:00,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 02:52:01,064 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 02:52:01,065 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 02:52:01,599 INFO L? ?]: Removed 13 outVars from TransFormulas that were not future-live. [2024-11-28 02:52:01,599 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 02:52:01,613 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 02:52:01,613 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-28 02:52:01,613 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:52:01 BoogieIcfgContainer [2024-11-28 02:52:01,614 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 02:52:01,616 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 02:52:01,616 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 02:52:01,621 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 02:52:01,621 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:52:00" (1/3) ... [2024-11-28 02:52:01,623 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@780021f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:52:01, skipping insertion in model container [2024-11-28 02:52:01,623 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:52:00" (2/3) ... [2024-11-28 02:52:01,623 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@780021f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:52:01, skipping insertion in model container [2024-11-28 02:52:01,623 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:52:01" (3/3) ... [2024-11-28 02:52:01,624 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-1loop_file-19.i [2024-11-28 02:52:01,642 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 02:52:01,643 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_50-1loop_file-19.i that has 2 procedures, 66 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 02:52:01,723 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 02:52:01,739 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;@77d85896, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 02:52:01,740 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 02:52:01,745 INFO L276 IsEmpty]: Start isEmpty. Operand has 66 states, 41 states have (on average 1.3414634146341464) internal successors, (55), 42 states have internal predecessors, (55), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-28 02:52:01,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-28 02:52:01,754 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:52:01,755 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:52:01,755 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:52:01,760 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:52:01,761 INFO L85 PathProgramCache]: Analyzing trace with hash 1746615298, now seen corresponding path program 1 times [2024-11-28 02:52:01,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:52:01,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319593999] [2024-11-28 02:52:01,769 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:52:01,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:52:01,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:52:02,133 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 882 trivial. 0 not checked. [2024-11-28 02:52:02,134 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:52:02,137 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1319593999] [2024-11-28 02:52:02,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1319593999] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:52:02,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [512498407] [2024-11-28 02:52:02,138 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:52:02,139 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:52:02,139 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56864fe8-c589-4205-828a-a08ce539379b/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:52:02,142 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56864fe8-c589-4205-828a-a08ce539379b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:52:02,145 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56864fe8-c589-4205-828a-a08ce539379b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 02:52:02,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:52:02,336 INFO L256 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 02:52:02,343 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:52:02,372 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 882 trivial. 0 not checked. [2024-11-28 02:52:02,373 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:52:02,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [512498407] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:52:02,373 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:52:02,373 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-28 02:52:02,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [826605745] [2024-11-28 02:52:02,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:52:02,383 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 02:52:02,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:52:02,399 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 02:52:02,400 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 02:52:02,403 INFO L87 Difference]: Start difference. First operand has 66 states, 41 states have (on average 1.3414634146341464) internal successors, (55), 42 states have internal predecessors, (55), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-28 02:52:02,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:52:02,426 INFO L93 Difference]: Finished difference Result 129 states and 217 transitions. [2024-11-28 02:52:02,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 02:52:02,428 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) Word has length 143 [2024-11-28 02:52:02,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:52:02,434 INFO L225 Difference]: With dead ends: 129 [2024-11-28 02:52:02,435 INFO L226 Difference]: Without dead ends: 62 [2024-11-28 02:52:02,438 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 02:52:02,441 INFO L435 NwaCegarLoop]: 96 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, 96 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 [2024-11-28 02:52:02,442 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:52:02,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2024-11-28 02:52:02,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2024-11-28 02:52:02,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 38 states have (on average 1.263157894736842) internal successors, (48), 38 states have internal predecessors, (48), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-28 02:52:02,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 92 transitions. [2024-11-28 02:52:02,481 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 92 transitions. Word has length 143 [2024-11-28 02:52:02,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:52:02,482 INFO L471 AbstractCegarLoop]: Abstraction has 62 states and 92 transitions. [2024-11-28 02:52:02,482 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-28 02:52:02,482 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 92 transitions. [2024-11-28 02:52:02,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-28 02:52:02,486 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:52:02,486 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:52:02,496 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56864fe8-c589-4205-828a-a08ce539379b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-28 02:52:02,687 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56864fe8-c589-4205-828a-a08ce539379b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:52:02,687 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:52:02,688 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:52:02,688 INFO L85 PathProgramCache]: Analyzing trace with hash 1687125178, now seen corresponding path program 1 times [2024-11-28 02:52:02,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:52:02,688 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353087378] [2024-11-28 02:52:02,688 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:52:02,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:52:02,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:52:03,499 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-28 02:52:03,502 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:52:03,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1353087378] [2024-11-28 02:52:03,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1353087378] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:52:03,502 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:52:03,503 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 02:52:03,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615674240] [2024-11-28 02:52:03,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:52:03,504 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:52:03,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:52:03,506 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:52:03,506 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:52:03,507 INFO L87 Difference]: Start difference. First operand 62 states and 92 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-28 02:52:03,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:52:03,759 INFO L93 Difference]: Finished difference Result 196 states and 292 transitions. [2024-11-28 02:52:03,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 02:52:03,761 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 143 [2024-11-28 02:52:03,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:52:03,768 INFO L225 Difference]: With dead ends: 196 [2024-11-28 02:52:03,768 INFO L226 Difference]: Without dead ends: 137 [2024-11-28 02:52:03,769 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:52:03,770 INFO L435 NwaCegarLoop]: 106 mSDtfsCounter, 73 mSDsluCounter, 169 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 275 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 02:52:03,770 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 275 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 02:52:03,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2024-11-28 02:52:03,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 119. [2024-11-28 02:52:03,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 72 states have (on average 1.25) internal successors, (90), 72 states have internal predecessors, (90), 44 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-28 02:52:03,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 178 transitions. [2024-11-28 02:52:03,822 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 178 transitions. Word has length 143 [2024-11-28 02:52:03,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:52:03,823 INFO L471 AbstractCegarLoop]: Abstraction has 119 states and 178 transitions. [2024-11-28 02:52:03,824 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-28 02:52:03,824 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 178 transitions. [2024-11-28 02:52:03,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-28 02:52:03,828 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:52:03,829 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:52:03,829 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 02:52:03,830 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:52:03,830 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:52:03,831 INFO L85 PathProgramCache]: Analyzing trace with hash 676007928, now seen corresponding path program 1 times [2024-11-28 02:52:03,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:52:03,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066455416] [2024-11-28 02:52:03,832 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:52:03,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:52:03,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:52:04,400 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-28 02:52:04,400 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:52:04,400 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1066455416] [2024-11-28 02:52:04,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1066455416] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:52:04,401 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:52:04,401 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:52:04,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438998985] [2024-11-28 02:52:04,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:52:04,404 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:52:04,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:52:04,405 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:52:04,405 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:52:04,406 INFO L87 Difference]: Start difference. First operand 119 states and 178 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-28 02:52:04,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:52:04,496 INFO L93 Difference]: Finished difference Result 294 states and 442 transitions. [2024-11-28 02:52:04,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:52:04,497 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 143 [2024-11-28 02:52:04,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:52:04,500 INFO L225 Difference]: With dead ends: 294 [2024-11-28 02:52:04,503 INFO L226 Difference]: Without dead ends: 178 [2024-11-28 02:52:04,504 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:52:04,504 INFO L435 NwaCegarLoop]: 89 mSDtfsCounter, 47 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 172 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:52:04,505 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 172 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:52:04,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2024-11-28 02:52:04,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 176. [2024-11-28 02:52:04,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176 states, 106 states have (on average 1.2264150943396226) internal successors, (130), 106 states have internal predecessors, (130), 66 states have call successors, (66), 3 states have call predecessors, (66), 3 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2024-11-28 02:52:04,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 262 transitions. [2024-11-28 02:52:04,572 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 262 transitions. Word has length 143 [2024-11-28 02:52:04,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:52:04,573 INFO L471 AbstractCegarLoop]: Abstraction has 176 states and 262 transitions. [2024-11-28 02:52:04,573 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-28 02:52:04,574 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 262 transitions. [2024-11-28 02:52:04,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-28 02:52:04,576 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:52:04,576 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:52:04,576 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 02:52:04,577 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:52:04,577 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:52:04,577 INFO L85 PathProgramCache]: Analyzing trace with hash 89201914, now seen corresponding path program 1 times [2024-11-28 02:52:04,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:52:04,578 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095657219] [2024-11-28 02:52:04,578 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:52:04,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:52:04,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:52:05,209 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 33 proven. 30 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2024-11-28 02:52:05,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:52:05,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1095657219] [2024-11-28 02:52:05,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1095657219] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:52:05,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1836178849] [2024-11-28 02:52:05,209 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:52:05,209 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:52:05,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56864fe8-c589-4205-828a-a08ce539379b/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:52:05,214 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56864fe8-c589-4205-828a-a08ce539379b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:52:05,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56864fe8-c589-4205-828a-a08ce539379b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 02:52:05,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:52:05,408 INFO L256 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-28 02:52:05,416 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:52:05,725 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 483 proven. 30 refuted. 0 times theorem prover too weak. 411 trivial. 0 not checked. [2024-11-28 02:52:05,725 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:52:06,066 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 33 proven. 30 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2024-11-28 02:52:06,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1836178849] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 02:52:06,066 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 02:52:06,066 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 9 [2024-11-28 02:52:06,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1240061553] [2024-11-28 02:52:06,067 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 02:52:06,067 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 02:52:06,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:52:06,068 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 02:52:06,068 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-28 02:52:06,069 INFO L87 Difference]: Start difference. First operand 176 states and 262 transitions. Second operand has 9 states, 9 states have (on average 5.666666666666667) internal successors, (51), 9 states have internal predecessors, (51), 2 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2024-11-28 02:52:06,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:52:06,420 INFO L93 Difference]: Finished difference Result 316 states and 458 transitions. [2024-11-28 02:52:06,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-28 02:52:06,421 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.666666666666667) internal successors, (51), 9 states have internal predecessors, (51), 2 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 143 [2024-11-28 02:52:06,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:52:06,425 INFO L225 Difference]: With dead ends: 316 [2024-11-28 02:52:06,425 INFO L226 Difference]: Without dead ends: 200 [2024-11-28 02:52:06,428 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 297 GetRequests, 282 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=77, Invalid=133, Unknown=0, NotChecked=0, Total=210 [2024-11-28 02:52:06,431 INFO L435 NwaCegarLoop]: 63 mSDtfsCounter, 98 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 143 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 02:52:06,431 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 143 Invalid, 161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 02:52:06,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2024-11-28 02:52:06,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 188. [2024-11-28 02:52:06,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 188 states, 115 states have (on average 1.191304347826087) internal successors, (137), 115 states have internal predecessors, (137), 66 states have call successors, (66), 6 states have call predecessors, (66), 6 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2024-11-28 02:52:06,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 269 transitions. [2024-11-28 02:52:06,501 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 269 transitions. Word has length 143 [2024-11-28 02:52:06,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:52:06,501 INFO L471 AbstractCegarLoop]: Abstraction has 188 states and 269 transitions. [2024-11-28 02:52:06,502 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.666666666666667) internal successors, (51), 9 states have internal predecessors, (51), 2 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2024-11-28 02:52:06,502 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 269 transitions. [2024-11-28 02:52:06,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-28 02:52:06,504 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:52:06,504 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:52:06,517 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56864fe8-c589-4205-828a-a08ce539379b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-28 02:52:06,711 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56864fe8-c589-4205-828a-a08ce539379b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:52:06,712 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:52:06,712 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:52:06,712 INFO L85 PathProgramCache]: Analyzing trace with hash 1864209276, now seen corresponding path program 1 times [2024-11-28 02:52:06,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:52:06,712 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1613017873] [2024-11-28 02:52:06,712 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:52:06,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:52:06,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:52:06,888 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:52:07,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:52:07,091 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-28 02:52:07,091 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-28 02:52:07,092 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-28 02:52:07,095 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 02:52:07,099 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-28 02:52:07,191 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 02:52:07,195 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 02:52:07 BoogieIcfgContainer [2024-11-28 02:52:07,198 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 02:52:07,198 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 02:52:07,199 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 02:52:07,199 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 02:52:07,199 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:52:01" (3/4) ... [2024-11-28 02:52:07,202 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-28 02:52:07,203 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 02:52:07,204 INFO L158 Benchmark]: Toolchain (without parser) took 6815.34ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 93.2MB in the beginning and 298.1MB in the end (delta: -204.9MB). Peak memory consumption was 25.9MB. Max. memory is 16.1GB. [2024-11-28 02:52:07,205 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 167.8MB. Free memory is still 104.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:52:07,206 INFO L158 Benchmark]: CACSL2BoogieTranslator took 330.25ms. Allocated memory is still 117.4MB. Free memory was 93.2MB in the beginning and 77.9MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 02:52:07,206 INFO L158 Benchmark]: Boogie Procedure Inliner took 84.14ms. Allocated memory is still 117.4MB. Free memory was 77.9MB in the beginning and 72.8MB in the end (delta: 5.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:52:07,207 INFO L158 Benchmark]: Boogie Preprocessor took 95.85ms. Allocated memory is still 117.4MB. Free memory was 72.5MB in the beginning and 61.7MB in the end (delta: 10.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 02:52:07,208 INFO L158 Benchmark]: RCFGBuilder took 709.90ms. Allocated memory is still 117.4MB. Free memory was 61.4MB in the beginning and 90.2MB in the end (delta: -28.8MB). Peak memory consumption was 32.5MB. Max. memory is 16.1GB. [2024-11-28 02:52:07,208 INFO L158 Benchmark]: TraceAbstraction took 5582.23ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 89.6MB in the beginning and 298.1MB in the end (delta: -208.5MB). Peak memory consumption was 205.8MB. Max. memory is 16.1GB. [2024-11-28 02:52:07,209 INFO L158 Benchmark]: Witness Printer took 5.08ms. Allocated memory is still 352.3MB. Free memory was 298.1MB in the beginning and 298.1MB in the end (delta: 46.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:52:07,211 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 167.8MB. Free memory is still 104.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 330.25ms. Allocated memory is still 117.4MB. Free memory was 93.2MB in the beginning and 77.9MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 84.14ms. Allocated memory is still 117.4MB. Free memory was 77.9MB in the beginning and 72.8MB in the end (delta: 5.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 95.85ms. Allocated memory is still 117.4MB. Free memory was 72.5MB in the beginning and 61.7MB in the end (delta: 10.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * RCFGBuilder took 709.90ms. Allocated memory is still 117.4MB. Free memory was 61.4MB in the beginning and 90.2MB in the end (delta: -28.8MB). Peak memory consumption was 32.5MB. Max. memory is 16.1GB. * TraceAbstraction took 5582.23ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 89.6MB in the beginning and 298.1MB in the end (delta: -208.5MB). Peak memory consumption was 205.8MB. Max. memory is 16.1GB. * Witness Printer took 5.08ms. Allocated memory is still 352.3MB. Free memory was 298.1MB in the beginning and 298.1MB in the end (delta: 46.8kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 117, overapproximation of someBinaryFLOATComparisonOperation at line 113, overapproximation of someBinaryFLOATComparisonOperation at line 119, overapproximation of someBinaryFLOATComparisonOperation at line 53, overapproximation of someBinaryFLOATComparisonOperation at line 67, overapproximation of someBinaryFLOATComparisonOperation at line 115, overapproximation of someBinaryFLOATComparisonOperation at line 55, overapproximation of someBinaryFLOATComparisonOperation at line 125, overapproximation of someBinaryDOUBLEComparisonOperation at line 125, overapproximation of someBinaryDOUBLEComparisonOperation at line 58, overapproximation of someBinaryDOUBLEComparisonOperation at line 107, overapproximation of someBinaryDOUBLEComparisonOperation at line 108, overapproximation of someUnaryFLOAToperation at line 53, overapproximation of someBinaryArithmeticFLOAToperation at line 53. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = -64; [L23] unsigned char var_1_2 = 128; [L24] unsigned char var_1_3 = 64; [L25] signed short int var_1_6 = -16; [L26] unsigned short int var_1_7 = 56838; [L27] unsigned short int var_1_8 = 24612; [L28] signed short int var_1_9 = 20013; [L29] unsigned char var_1_10 = 0; [L30] unsigned char var_1_12 = 0; [L31] unsigned char var_1_13 = 0; [L32] signed short int var_1_14 = 50; [L33] unsigned char var_1_15 = 0; [L34] signed short int var_1_19 = 100; [L35] double var_1_21 = 3.5; [L36] signed short int var_1_23 = -128; [L37] float var_1_24 = 10.2; [L38] float var_1_25 = 8.6; [L39] float var_1_26 = 32.7; [L40] float var_1_27 = 16.25; [L41] float var_1_28 = 8.875; [L42] unsigned short int var_1_29 = 256; [L43] unsigned char last_1_var_1_15 = 0; VAL [isInitial=0, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=128, var_1_3=64, var_1_6=-16, var_1_7=56838, var_1_8=24612, var_1_9=20013] [L129] isInitial = 1 [L130] FCALL initially() [L131] int k_loop; [L132] k_loop = 0 VAL [isInitial=1, k_loop=0, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=128, var_1_3=64, var_1_6=-16, var_1_7=56838, var_1_8=24612, var_1_9=20013] [L132] COND TRUE k_loop < 1 VAL [isInitial=1, k_loop=0, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=128, var_1_3=64, var_1_6=-16, var_1_7=56838, var_1_8=24612, var_1_9=20013] [L133] CALL updateLastVariables() [L122] last_1_var_1_15 = var_1_15 VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=128, var_1_3=64, var_1_6=-16, var_1_7=56838, var_1_8=24612, var_1_9=20013] [L133] RET updateLastVariables() [L134] CALL updateVariables() [L85] var_1_2 = __VERIFIER_nondet_uchar() [L86] CALL assume_abort_if_not(var_1_2 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=64, var_1_6=-16, var_1_7=56838, var_1_8=24612, var_1_9=20013] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=64, var_1_6=-16, var_1_7=56838, var_1_8=24612, var_1_9=20013] [L86] RET assume_abort_if_not(var_1_2 >= 127) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=64, var_1_6=-16, var_1_7=56838, var_1_8=24612, var_1_9=20013] [L87] CALL assume_abort_if_not(var_1_2 <= 255) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=64, var_1_6=-16, var_1_7=56838, var_1_8=24612, var_1_9=20013] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=64, var_1_6=-16, var_1_7=56838, var_1_8=24612, var_1_9=20013] [L87] RET assume_abort_if_not(var_1_2 <= 255) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=64, var_1_6=-16, var_1_7=56838, var_1_8=24612, var_1_9=20013] [L88] var_1_3 = __VERIFIER_nondet_uchar() [L89] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_6=-16, var_1_7=56838, var_1_8=24612, var_1_9=20013] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_6=-16, var_1_7=56838, var_1_8=24612, var_1_9=20013] [L89] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_6=-16, var_1_7=56838, var_1_8=24612, var_1_9=20013] [L90] CALL assume_abort_if_not(var_1_3 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=56838, var_1_8=24612, var_1_9=20013] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=56838, var_1_8=24612, var_1_9=20013] [L90] RET assume_abort_if_not(var_1_3 <= 127) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=56838, var_1_8=24612, var_1_9=20013] [L91] var_1_7 = __VERIFIER_nondet_ushort() [L92] CALL assume_abort_if_not(var_1_7 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=24612, var_1_9=20013] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=24612, var_1_9=20013] [L92] RET assume_abort_if_not(var_1_7 >= 32767) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=24612, var_1_9=20013] [L93] CALL assume_abort_if_not(var_1_7 <= 65535) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=24612, var_1_9=20013] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=24612, var_1_9=20013] [L93] RET assume_abort_if_not(var_1_7 <= 65535) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=24612, var_1_9=20013] [L94] var_1_8 = __VERIFIER_nondet_ushort() [L95] CALL assume_abort_if_not(var_1_8 >= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=20013] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=20013] [L95] RET assume_abort_if_not(var_1_8 >= 16383) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=20013] [L96] CALL assume_abort_if_not(var_1_8 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=20013] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=20013] [L96] RET assume_abort_if_not(var_1_8 <= 32767) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=20013] [L97] var_1_9 = __VERIFIER_nondet_short() [L98] CALL assume_abort_if_not(var_1_9 >= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L98] RET assume_abort_if_not(var_1_9 >= 16383) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L99] CALL assume_abort_if_not(var_1_9 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L99] RET assume_abort_if_not(var_1_9 <= 32766) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L100] var_1_12 = __VERIFIER_nondet_uchar() [L101] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L101] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L102] CALL assume_abort_if_not(var_1_12 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L102] RET assume_abort_if_not(var_1_12 <= 0) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L103] var_1_13 = __VERIFIER_nondet_uchar() [L104] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L104] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L105] CALL assume_abort_if_not(var_1_13 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L105] RET assume_abort_if_not(var_1_13 <= 0) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L106] var_1_21 = __VERIFIER_nondet_double() [L107] CALL assume_abort_if_not((var_1_21 >= -922337.2036854776000e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854776000e+12F && var_1_21 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L107] RET assume_abort_if_not((var_1_21 >= -922337.2036854776000e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854776000e+12F && var_1_21 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L108] CALL assume_abort_if_not(var_1_21 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L108] RET assume_abort_if_not(var_1_21 != 0.0F) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L109] var_1_23 = __VERIFIER_nondet_short() [L110] CALL assume_abort_if_not(var_1_23 >= -16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-16383, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-16383, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L110] RET assume_abort_if_not(var_1_23 >= -16383) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-16383, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L111] CALL assume_abort_if_not(var_1_23 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-16383, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-16383, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L111] RET assume_abort_if_not(var_1_23 <= 16383) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-16383, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L112] var_1_25 = __VERIFIER_nondet_float() [L113] CALL assume_abort_if_not((var_1_25 >= -922337.2036854765600e+13F && var_1_25 <= -1.0e-20F) || (var_1_25 <= 9223372.036854765600e+12F && var_1_25 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-16383, var_1_24=51/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-16383, var_1_24=51/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L113] RET assume_abort_if_not((var_1_25 >= -922337.2036854765600e+13F && var_1_25 <= -1.0e-20F) || (var_1_25 <= 9223372.036854765600e+12F && var_1_25 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-16383, var_1_24=51/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L114] var_1_26 = __VERIFIER_nondet_float() [L115] CALL assume_abort_if_not((var_1_26 >= -922337.2036854765600e+13F && var_1_26 <= -1.0e-20F) || (var_1_26 <= 9223372.036854765600e+12F && var_1_26 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-16383, var_1_24=51/5, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-16383, var_1_24=51/5, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L115] RET assume_abort_if_not((var_1_26 >= -922337.2036854765600e+13F && var_1_26 <= -1.0e-20F) || (var_1_26 <= 9223372.036854765600e+12F && var_1_26 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-16383, var_1_24=51/5, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L116] var_1_27 = __VERIFIER_nondet_float() [L117] CALL assume_abort_if_not((var_1_27 >= 0.0F && var_1_27 <= -1.0e-20F) || (var_1_27 <= 9223372.036854765600e+12F && var_1_27 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-16383, var_1_24=51/5, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-16383, var_1_24=51/5, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L117] RET assume_abort_if_not((var_1_27 >= 0.0F && var_1_27 <= -1.0e-20F) || (var_1_27 <= 9223372.036854765600e+12F && var_1_27 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-16383, var_1_24=51/5, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L118] var_1_28 = __VERIFIER_nondet_float() [L119] CALL assume_abort_if_not((var_1_28 >= 0.0F && var_1_28 <= -1.0e-20F) || (var_1_28 <= 9223372.036854765600e+12F && var_1_28 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-16383, var_1_24=51/5, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-16383, var_1_24=51/5, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L119] RET assume_abort_if_not((var_1_28 >= 0.0F && var_1_28 <= -1.0e-20F) || (var_1_28 <= 9223372.036854765600e+12F && var_1_28 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-16383, var_1_24=51/5, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L134] RET updateVariables() [L135] CALL step() [L47] COND FALSE !(\read(last_1_var_1_15)) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-16383, var_1_24=51/5, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L50] COND FALSE !(\read(var_1_10)) [L53] var_1_24 = ((((var_1_27 - var_1_28) < 0 ) ? -(var_1_27 - var_1_28) : (var_1_27 - var_1_28))) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-16383, var_1_24=56843, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L55] COND TRUE (- var_1_24) == (var_1_24 + var_1_24) [L56] var_1_15 = var_1_12 VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-16383, var_1_24=56843, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L58] COND FALSE !(var_1_24 == ((((((((3.3) > (var_1_24)) ? (3.3) : (var_1_24)))) > ((var_1_24 / var_1_21))) ? (((((3.3) > (var_1_24)) ? (3.3) : (var_1_24)))) : ((var_1_24 / var_1_21))))) [L65] var_1_19 = var_1_2 VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=127, var_1_1=-64, var_1_23=-16383, var_1_24=56843, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L67] COND TRUE var_1_24 != var_1_24 [L68] var_1_29 = ((((var_1_2) > (var_1_3)) ? (var_1_2) : (var_1_3))) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=127, var_1_1=-64, var_1_23=-16383, var_1_24=56843, var_1_29=127, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L70] signed long int stepLocal_1 = var_1_7 - (var_1_8 - var_1_2); VAL [isInitial=1, last_1_var_1_15=0, stepLocal_1=127, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=127, var_1_1=-64, var_1_23=-16383, var_1_24=56843, var_1_29=127, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L71] COND TRUE stepLocal_1 >= var_1_29 [L72] var_1_6 = (var_1_3 - (var_1_9 - var_1_2)) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=127, var_1_1=-64, var_1_23=-16383, var_1_24=56843, var_1_29=127, var_1_2=127, var_1_3=127, var_1_6=-16129, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L74] COND FALSE !(\read(var_1_15)) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=127, var_1_1=-64, var_1_23=-16383, var_1_24=56843, var_1_29=127, var_1_2=127, var_1_3=127, var_1_6=-16129, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L77] signed long int stepLocal_0 = var_1_2 - var_1_3; VAL [isInitial=1, last_1_var_1_15=0, stepLocal_0=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=127, var_1_1=-64, var_1_23=-16383, var_1_24=56843, var_1_29=127, var_1_2=127, var_1_3=127, var_1_6=-16129, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L78] COND TRUE stepLocal_0 <= ((((var_1_29) > (var_1_6)) ? (var_1_29) : (var_1_6))) [L79] var_1_1 = ((((var_1_2) > (var_1_3)) ? (var_1_2) : (var_1_3))) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=127, var_1_1=127, var_1_23=-16383, var_1_24=56843, var_1_29=127, var_1_2=127, var_1_3=127, var_1_6=-16129, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L135] RET step() [L136] CALL, EXPR property() [L125-L126] return (((((((((var_1_2 - var_1_3) <= ((((var_1_29) > (var_1_6)) ? (var_1_29) : (var_1_6)))) ? (var_1_1 == ((signed long int) ((((var_1_2) > (var_1_3)) ? (var_1_2) : (var_1_3))))) : (var_1_1 == ((signed long int) var_1_2))) && (((var_1_7 - (var_1_8 - var_1_2)) >= var_1_29) ? (var_1_6 == ((signed short int) (var_1_3 - (var_1_9 - var_1_2)))) : 1)) && (last_1_var_1_15 ? (var_1_10 == ((unsigned char) (var_1_12 || var_1_13))) : 1)) && (var_1_15 ? (var_1_14 == ((signed short int) (((((((((((var_1_3) > (var_1_2)) ? (var_1_3) : (var_1_2))) < 0 ) ? -((((var_1_3) > (var_1_2)) ? (var_1_3) : (var_1_2))) : ((((var_1_3) > (var_1_2)) ? (var_1_3) : (var_1_2)))))) < (var_1_9)) ? ((((((((var_1_3) > (var_1_2)) ? (var_1_3) : (var_1_2))) < 0 ) ? -((((var_1_3) > (var_1_2)) ? (var_1_3) : (var_1_2))) : ((((var_1_3) > (var_1_2)) ? (var_1_3) : (var_1_2)))))) : (var_1_9))))) : 1)) && (((- var_1_24) == (var_1_24 + var_1_24)) ? (var_1_15 == ((unsigned char) var_1_12)) : 1)) && ((var_1_24 == ((((((((3.3) > (var_1_24)) ? (3.3) : (var_1_24)))) > ((var_1_24 / var_1_21))) ? (((((3.3) > (var_1_24)) ? (3.3) : (var_1_24)))) : ((var_1_24 / var_1_21))))) ? (var_1_10 ? (var_1_19 == ((signed short int) (var_1_3 + ((((var_1_2) < (var_1_23)) ? (var_1_2) : (var_1_23)))))) : (var_1_19 == ((signed short int) (var_1_3 - 8)))) : (var_1_19 == ((signed short int) var_1_2)))) && (var_1_10 ? (var_1_24 == ((float) ((((var_1_25) > (((((var_1_26) < 0 ) ? -(var_1_26) : (var_1_26))))) ? (var_1_25) : (((((var_1_26) < 0 ) ? -(var_1_26) : (var_1_26)))))))) : (var_1_24 == ((float) ((((var_1_27 - var_1_28) < 0 ) ? -(var_1_27 - var_1_28) : (var_1_27 - var_1_28))))))) && ((var_1_24 != var_1_24) ? (var_1_29 == ((unsigned short int) ((((var_1_2) > (var_1_3)) ? (var_1_2) : (var_1_3))))) : 1) ; VAL [\result=0, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=127, var_1_1=127, var_1_23=-16383, var_1_24=56843, var_1_29=127, var_1_2=127, var_1_3=127, var_1_6=-16129, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L136] RET, EXPR property() [L136] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=127, var_1_1=127, var_1_23=-16383, var_1_24=56843, var_1_29=127, var_1_2=127, var_1_3=127, var_1_6=-16129, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L19] reach_error() VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=127, var_1_1=127, var_1_23=-16383, var_1_24=56843, var_1_29=127, var_1_2=127, var_1_3=127, var_1_6=-16129, var_1_7=32767, var_1_8=32767, var_1_9=16383] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 66 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.4s, OverallIterations: 5, TraceHistogramMax: 22, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 239 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 218 mSDsluCounter, 686 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 332 mSDsCounter, 99 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 154 IncrementalHoareTripleChecker+Invalid, 253 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 99 mSolverCounterUnsat, 354 mSDtfsCounter, 154 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 452 GetRequests, 433 SyntacticMatches, 2 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=188occurred in iteration=4, InterpolantAutomatonStates: 19, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 4 MinimizatonAttempts, 32 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 1001 NumberOfCodeBlocks, 1001 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 994 ConstructedInterpolants, 0 QuantifiedInterpolants, 2044 SizeOfPredicates, 2 NumberOfNonLiveVariables, 658 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 7 InterpolantComputations, 3 PerfectInterpolantSequences, 6336/6468 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, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-28 02:52:07,235 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56864fe8-c589-4205-828a-a08ce539379b/bin/uautomizer-verify-aQ6SnzHsRB/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_56864fe8-c589-4205-828a-a08ce539379b/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56864fe8-c589-4205-828a-a08ce539379b/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56864fe8-c589-4205-828a-a08ce539379b/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56864fe8-c589-4205-828a-a08ce539379b/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-19.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56864fe8-c589-4205-828a-a08ce539379b/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56864fe8-c589-4205-828a-a08ce539379b/bin/uautomizer-verify-aQ6SnzHsRB --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 1468ae9494935c4bc43ed68b308a451a438fac384f54d7bea348a26619f918ac --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 02:52:10,159 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 02:52:10,274 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56864fe8-c589-4205-828a-a08ce539379b/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-28 02:52:10,289 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 02:52:10,289 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 02:52:10,326 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 02:52:10,328 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 02:52:10,329 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 02:52:10,330 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 02:52:10,330 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 02:52:10,331 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 02:52:10,331 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 02:52:10,332 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 02:52:10,332 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 02:52:10,332 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 02:52:10,332 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 02:52:10,333 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 02:52:10,333 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 02:52:10,333 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 02:52:10,333 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 02:52:10,333 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 02:52:10,334 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 02:52:10,334 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 02:52:10,334 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-28 02:52:10,334 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-28 02:52:10,334 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-28 02:52:10,334 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 02:52:10,334 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 02:52:10,334 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 02:52:10,335 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 02:52:10,335 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 02:52:10,335 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:52:10,335 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:52:10,335 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:52:10,335 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:52:10,335 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 02:52:10,335 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:52:10,335 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:52:10,335 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:52:10,335 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:52:10,335 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 02:52:10,336 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 02:52:10,336 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 02:52:10,336 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 02:52:10,336 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-28 02:52:10,336 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-28 02:52:10,336 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 02:52:10,336 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 02:52:10,336 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 02:52:10,336 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 02:52:10,336 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_56864fe8-c589-4205-828a-a08ce539379b/bin/uautomizer-verify-aQ6SnzHsRB 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 -> 1468ae9494935c4bc43ed68b308a451a438fac384f54d7bea348a26619f918ac [2024-11-28 02:52:10,670 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 02:52:10,679 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 02:52:10,682 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 02:52:10,683 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 02:52:10,683 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 02:52:10,685 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56864fe8-c589-4205-828a-a08ce539379b/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-19.i [2024-11-28 02:52:13,707 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56864fe8-c589-4205-828a-a08ce539379b/bin/uautomizer-verify-aQ6SnzHsRB/data/343cc978e/5aa7b0553d164fd798f3190e1512d322/FLAG8d9344ae0 [2024-11-28 02:52:13,956 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 02:52:13,956 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56864fe8-c589-4205-828a-a08ce539379b/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-19.i [2024-11-28 02:52:13,966 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56864fe8-c589-4205-828a-a08ce539379b/bin/uautomizer-verify-aQ6SnzHsRB/data/343cc978e/5aa7b0553d164fd798f3190e1512d322/FLAG8d9344ae0 [2024-11-28 02:52:13,996 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56864fe8-c589-4205-828a-a08ce539379b/bin/uautomizer-verify-aQ6SnzHsRB/data/343cc978e/5aa7b0553d164fd798f3190e1512d322 [2024-11-28 02:52:13,999 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 02:52:14,001 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 02:52:14,003 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 02:52:14,005 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 02:52:14,009 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 02:52:14,010 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:52:13" (1/1) ... [2024-11-28 02:52:14,011 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@230fc085 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:52:14, skipping insertion in model container [2024-11-28 02:52:14,011 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:52:13" (1/1) ... [2024-11-28 02:52:14,040 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 02:52:14,224 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_56864fe8-c589-4205-828a-a08ce539379b/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-19.i[915,928] [2024-11-28 02:52:14,333 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:52:14,356 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 02:52:14,368 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_56864fe8-c589-4205-828a-a08ce539379b/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-19.i[915,928] [2024-11-28 02:52:14,431 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:52:14,461 INFO L204 MainTranslator]: Completed translation [2024-11-28 02:52:14,462 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:52:14 WrapperNode [2024-11-28 02:52:14,463 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 02:52:14,464 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 02:52:14,464 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 02:52:14,465 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 02:52:14,476 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:52:14" (1/1) ... [2024-11-28 02:52:14,492 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:52:14" (1/1) ... [2024-11-28 02:52:14,520 INFO L138 Inliner]: procedures = 27, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 145 [2024-11-28 02:52:14,521 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 02:52:14,521 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 02:52:14,521 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 02:52:14,521 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 02:52:14,532 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:52:14" (1/1) ... [2024-11-28 02:52:14,532 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:52:14" (1/1) ... [2024-11-28 02:52:14,537 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:52:14" (1/1) ... [2024-11-28 02:52:14,564 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]. [2024-11-28 02:52:14,567 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:52:14" (1/1) ... [2024-11-28 02:52:14,567 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:52:14" (1/1) ... [2024-11-28 02:52:14,588 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:52:14" (1/1) ... [2024-11-28 02:52:14,589 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:52:14" (1/1) ... [2024-11-28 02:52:14,592 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:52:14" (1/1) ... [2024-11-28 02:52:14,595 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:52:14" (1/1) ... [2024-11-28 02:52:14,600 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:52:14" (1/1) ... [2024-11-28 02:52:14,603 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 02:52:14,608 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 02:52:14,608 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 02:52:14,608 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 02:52:14,609 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:52:14" (1/1) ... [2024-11-28 02:52:14,619 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:52:14,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56864fe8-c589-4205-828a-a08ce539379b/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:52:14,646 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56864fe8-c589-4205-828a-a08ce539379b/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 02:52:14,649 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56864fe8-c589-4205-828a-a08ce539379b/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 02:52:14,674 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 02:52:14,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-28 02:52:14,675 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 02:52:14,675 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 02:52:14,675 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 02:52:14,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 02:52:14,777 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 02:52:14,779 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 02:52:26,707 INFO L? ?]: Removed 13 outVars from TransFormulas that were not future-live. [2024-11-28 02:52:26,708 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 02:52:26,723 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 02:52:26,725 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-28 02:52:26,726 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:52:26 BoogieIcfgContainer [2024-11-28 02:52:26,726 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 02:52:26,729 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 02:52:26,729 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 02:52:26,736 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 02:52:26,740 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:52:13" (1/3) ... [2024-11-28 02:52:26,741 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ee729ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:52:26, skipping insertion in model container [2024-11-28 02:52:26,741 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:52:14" (2/3) ... [2024-11-28 02:52:26,742 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ee729ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:52:26, skipping insertion in model container [2024-11-28 02:52:26,742 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:52:26" (3/3) ... [2024-11-28 02:52:26,743 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-1loop_file-19.i [2024-11-28 02:52:26,763 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 02:52:26,766 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_50-1loop_file-19.i that has 2 procedures, 66 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 02:52:26,852 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 02:52:26,871 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;@64a5d7f5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 02:52:26,874 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 02:52:26,880 INFO L276 IsEmpty]: Start isEmpty. Operand has 66 states, 41 states have (on average 1.3414634146341464) internal successors, (55), 42 states have internal predecessors, (55), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-28 02:52:26,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-28 02:52:26,900 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:52:26,901 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:52:26,901 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:52:26,909 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:52:26,911 INFO L85 PathProgramCache]: Analyzing trace with hash 1746615298, now seen corresponding path program 1 times [2024-11-28 02:52:26,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:52:26,928 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2013963922] [2024-11-28 02:52:26,928 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:52:26,929 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:52:26,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56864fe8-c589-4205-828a-a08ce539379b/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:52:26,931 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56864fe8-c589-4205-828a-a08ce539379b/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 02:52:26,935 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56864fe8-c589-4205-828a-a08ce539379b/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-28 02:52:27,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:52:27,935 INFO L256 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 02:52:27,948 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:52:27,992 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 362 proven. 0 refuted. 0 times theorem prover too weak. 562 trivial. 0 not checked. [2024-11-28 02:52:27,993 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:52:27,993 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:52:27,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2013963922] [2024-11-28 02:52:27,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2013963922] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:52:27,994 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:52:27,995 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:52:27,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56928020] [2024-11-28 02:52:27,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:52:28,001 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 02:52:28,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:52:28,021 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 02:52:28,022 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 02:52:28,024 INFO L87 Difference]: Start difference. First operand has 66 states, 41 states have (on average 1.3414634146341464) internal successors, (55), 42 states have internal predecessors, (55), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-28 02:52:28,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:52:28,058 INFO L93 Difference]: Finished difference Result 129 states and 217 transitions. [2024-11-28 02:52:28,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 02:52:28,060 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 143 [2024-11-28 02:52:28,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:52:28,067 INFO L225 Difference]: With dead ends: 129 [2024-11-28 02:52:28,067 INFO L226 Difference]: Without dead ends: 62 [2024-11-28 02:52:28,071 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 02:52:28,074 INFO L435 NwaCegarLoop]: 96 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, 96 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 [2024-11-28 02:52:28,074 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:52:28,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2024-11-28 02:52:28,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2024-11-28 02:52:28,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 38 states have (on average 1.263157894736842) internal successors, (48), 38 states have internal predecessors, (48), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-28 02:52:28,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 92 transitions. [2024-11-28 02:52:28,117 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 92 transitions. Word has length 143 [2024-11-28 02:52:28,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:52:28,117 INFO L471 AbstractCegarLoop]: Abstraction has 62 states and 92 transitions. [2024-11-28 02:52:28,117 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-28 02:52:28,118 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 92 transitions. [2024-11-28 02:52:28,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-28 02:52:28,121 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:52:28,121 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:52:28,142 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56864fe8-c589-4205-828a-a08ce539379b/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-28 02:52:28,324 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56864fe8-c589-4205-828a-a08ce539379b/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:52:28,325 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:52:28,325 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:52:28,325 INFO L85 PathProgramCache]: Analyzing trace with hash 1687125178, now seen corresponding path program 1 times [2024-11-28 02:52:28,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:52:28,326 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1543980272] [2024-11-28 02:52:28,326 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:52:28,327 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:52:28,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56864fe8-c589-4205-828a-a08ce539379b/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:52:28,330 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56864fe8-c589-4205-828a-a08ce539379b/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 02:52:28,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56864fe8-c589-4205-828a-a08ce539379b/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-28 02:52:29,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:52:29,443 INFO L256 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 02:52:29,449 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:52:32,850 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-28 02:52:32,851 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:52:32,851 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:52:32,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1543980272] [2024-11-28 02:52:32,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1543980272] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:52:32,851 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:52:32,851 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:52:32,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10405396] [2024-11-28 02:52:32,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:52:32,855 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:52:32,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:52:32,860 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:52:32,860 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:52:32,860 INFO L87 Difference]: Start difference. First operand 62 states and 92 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-28 02:52:37,525 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.32s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 02:52:41,529 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 02:52:45,544 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 02:52:50,020 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.30s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 02:52:54,035 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 02:52:58,047 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 02:53:02,052 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 02:53:02,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:53:02,054 INFO L93 Difference]: Finished difference Result 208 states and 307 transitions. [2024-11-28 02:53:02,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 02:53:02,177 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 143 [2024-11-28 02:53:02,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:53:02,180 INFO L225 Difference]: With dead ends: 208 [2024-11-28 02:53:02,180 INFO L226 Difference]: Without dead ends: 149 [2024-11-28 02:53:02,181 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:53:02,182 INFO L435 NwaCegarLoop]: 107 mSDtfsCounter, 83 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 49 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 288 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:53:02,182 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 288 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 8 Invalid, 7 Unknown, 0 Unchecked, 29.1s Time] [2024-11-28 02:53:02,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2024-11-28 02:53:02,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 119. [2024-11-28 02:53:02,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 72 states have (on average 1.25) internal successors, (90), 72 states have internal predecessors, (90), 44 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-28 02:53:02,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 178 transitions. [2024-11-28 02:53:02,216 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 178 transitions. Word has length 143 [2024-11-28 02:53:02,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:53:02,217 INFO L471 AbstractCegarLoop]: Abstraction has 119 states and 178 transitions. [2024-11-28 02:53:02,217 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-28 02:53:02,218 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 178 transitions. [2024-11-28 02:53:02,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-28 02:53:02,220 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:53:02,220 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:53:02,237 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56864fe8-c589-4205-828a-a08ce539379b/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-28 02:53:02,421 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56864fe8-c589-4205-828a-a08ce539379b/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:53:02,421 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:53:02,421 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:53:02,421 INFO L85 PathProgramCache]: Analyzing trace with hash 676007928, now seen corresponding path program 1 times [2024-11-28 02:53:02,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:53:02,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1888481747] [2024-11-28 02:53:02,422 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:53:02,422 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:53:02,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56864fe8-c589-4205-828a-a08ce539379b/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:53:02,428 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56864fe8-c589-4205-828a-a08ce539379b/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 02:53:02,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56864fe8-c589-4205-828a-a08ce539379b/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-28 02:53:03,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:53:03,404 INFO L256 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 02:53:03,408 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:53:06,768 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-28 02:53:06,768 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:53:06,769 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:53:06,769 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1888481747] [2024-11-28 02:53:06,769 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1888481747] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:53:06,769 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:53:06,769 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:53:06,769 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [810185766] [2024-11-28 02:53:06,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:53:06,770 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:53:06,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:53:06,775 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:53:06,775 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:53:06,775 INFO L87 Difference]: Start difference. First operand 119 states and 178 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 2 states have internal predecessors, (36), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-28 02:53:11,305 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.41s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 02:53:15,795 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.31s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 02:53:15,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:53:15,808 INFO L93 Difference]: Finished difference Result 351 states and 528 transitions. [2024-11-28 02:53:15,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:53:15,961 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 2 states have internal predecessors, (36), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 143 [2024-11-28 02:53:15,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:53:15,965 INFO L225 Difference]: With dead ends: 351 [2024-11-28 02:53:15,965 INFO L226 Difference]: Without dead ends: 235 [2024-11-28 02:53:15,966 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:53:15,967 INFO L435 NwaCegarLoop]: 90 mSDtfsCounter, 22 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 3 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:53:15,968 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 173 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 5 Invalid, 2 Unknown, 0 Unchecked, 9.0s Time] [2024-11-28 02:53:15,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2024-11-28 02:53:16,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 233. [2024-11-28 02:53:16,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 233 states, 140 states have (on average 1.2285714285714286) internal successors, (172), 140 states have internal predecessors, (172), 88 states have call successors, (88), 4 states have call predecessors, (88), 4 states have return successors, (88), 88 states have call predecessors, (88), 88 states have call successors, (88) [2024-11-28 02:53:16,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 348 transitions. [2024-11-28 02:53:16,048 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 348 transitions. Word has length 143 [2024-11-28 02:53:16,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:53:16,052 INFO L471 AbstractCegarLoop]: Abstraction has 233 states and 348 transitions. [2024-11-28 02:53:16,052 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 2 states have internal predecessors, (36), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-28 02:53:16,052 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 348 transitions. [2024-11-28 02:53:16,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-28 02:53:16,057 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:53:16,057 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:53:16,074 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56864fe8-c589-4205-828a-a08ce539379b/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-11-28 02:53:16,258 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56864fe8-c589-4205-828a-a08ce539379b/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:53:16,258 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:53:16,259 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:53:16,259 INFO L85 PathProgramCache]: Analyzing trace with hash 89201914, now seen corresponding path program 1 times [2024-11-28 02:53:16,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:53:16,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [233223713] [2024-11-28 02:53:16,259 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:53:16,259 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:53:16,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56864fe8-c589-4205-828a-a08ce539379b/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:53:16,261 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56864fe8-c589-4205-828a-a08ce539379b/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 02:53:16,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56864fe8-c589-4205-828a-a08ce539379b/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-28 02:53:17,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:53:17,348 INFO L256 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 02:53:17,352 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:53:17,716 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-28 02:53:17,716 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:53:17,716 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:53:17,716 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [233223713] [2024-11-28 02:53:17,716 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [233223713] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:53:17,717 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:53:17,717 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:53:17,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915784122] [2024-11-28 02:53:17,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:53:17,717 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:53:17,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:53:17,719 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:53:17,719 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:53:17,719 INFO L87 Difference]: Start difference. First operand 233 states and 348 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-28 02:53:20,920 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.05s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:53:25,895 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.40s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:53:30,292 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.40s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:53:33,564 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.10s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:53:37,579 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:53:37,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:53:37,904 INFO L93 Difference]: Finished difference Result 675 states and 1008 transitions. [2024-11-28 02:53:37,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:53:37,911 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 143 [2024-11-28 02:53:37,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:53:37,920 INFO L225 Difference]: With dead ends: 675 [2024-11-28 02:53:37,922 INFO L226 Difference]: Without dead ends: 445 [2024-11-28 02:53:37,924 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:53:37,926 INFO L435 NwaCegarLoop]: 154 mSDtfsCounter, 80 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 236 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:53:37,928 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 236 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 3 Unknown, 0 Unchecked, 20.1s Time] [2024-11-28 02:53:37,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 445 states. [2024-11-28 02:53:38,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 445 to 237. [2024-11-28 02:53:38,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 237 states, 144 states have (on average 1.2222222222222223) internal successors, (176), 144 states have internal predecessors, (176), 88 states have call successors, (88), 4 states have call predecessors, (88), 4 states have return successors, (88), 88 states have call predecessors, (88), 88 states have call successors, (88) [2024-11-28 02:53:38,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 352 transitions. [2024-11-28 02:53:38,036 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 352 transitions. Word has length 143 [2024-11-28 02:53:38,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:53:38,038 INFO L471 AbstractCegarLoop]: Abstraction has 237 states and 352 transitions. [2024-11-28 02:53:38,038 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-28 02:53:38,039 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 352 transitions. [2024-11-28 02:53:38,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-28 02:53:38,044 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:53:38,044 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:53:38,066 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56864fe8-c589-4205-828a-a08ce539379b/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2024-11-28 02:53:38,245 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56864fe8-c589-4205-828a-a08ce539379b/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:53:38,245 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:53:38,245 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:53:38,246 INFO L85 PathProgramCache]: Analyzing trace with hash -303825096, now seen corresponding path program 1 times [2024-11-28 02:53:38,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:53:38,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [853993679] [2024-11-28 02:53:38,246 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:53:38,246 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:53:38,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56864fe8-c589-4205-828a-a08ce539379b/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:53:38,250 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56864fe8-c589-4205-828a-a08ce539379b/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 02:53:38,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56864fe8-c589-4205-828a-a08ce539379b/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-11-28 02:53:39,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:53:39,252 INFO L256 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 02:53:39,256 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:53:41,261 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 483 proven. 30 refuted. 0 times theorem prover too weak. 411 trivial. 0 not checked. [2024-11-28 02:53:41,261 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:53:43,700 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 33 proven. 30 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2024-11-28 02:53:43,701 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:53:43,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [853993679] [2024-11-28 02:53:43,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [853993679] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 02:53:43,701 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 02:53:43,701 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2024-11-28 02:53:43,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722389490] [2024-11-28 02:53:43,701 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 02:53:43,702 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 02:53:43,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:53:43,706 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 02:53:43,707 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-28 02:53:43,710 INFO L87 Difference]: Start difference. First operand 237 states and 352 transitions. Second operand has 8 states, 8 states have (on average 5.625) internal successors, (45), 8 states have internal predecessors, (45), 2 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2024-11-28 02:53:50,680 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.34s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 02:53:54,688 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 02:53:58,693 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 02:53:58,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:53:58,699 INFO L93 Difference]: Finished difference Result 309 states and 451 transitions. [2024-11-28 02:53:58,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-28 02:53:58,843 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.625) internal successors, (45), 8 states have internal predecessors, (45), 2 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 143 [2024-11-28 02:53:58,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:53:58,844 INFO L225 Difference]: With dead ends: 309 [2024-11-28 02:53:58,844 INFO L226 Difference]: Without dead ends: 75 [2024-11-28 02:53:58,845 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 292 GetRequests, 278 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=77, Invalid=133, Unknown=0, NotChecked=0, Total=210 [2024-11-28 02:53:58,846 INFO L435 NwaCegarLoop]: 61 mSDtfsCounter, 105 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 89 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 215 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.2s IncrementalHoareTripleChecker+Time [2024-11-28 02:53:58,847 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 135 Invalid, 215 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 123 Invalid, 3 Unknown, 0 Unchecked, 14.2s Time] [2024-11-28 02:53:58,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2024-11-28 02:53:58,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 68. [2024-11-28 02:53:58,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 43 states have (on average 1.1395348837209303) internal successors, (49), 43 states have internal predecessors, (49), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-28 02:53:58,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 93 transitions. [2024-11-28 02:53:58,863 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 93 transitions. Word has length 143 [2024-11-28 02:53:58,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:53:58,865 INFO L471 AbstractCegarLoop]: Abstraction has 68 states and 93 transitions. [2024-11-28 02:53:58,865 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.625) internal successors, (45), 8 states have internal predecessors, (45), 2 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2024-11-28 02:53:58,865 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 93 transitions. [2024-11-28 02:53:58,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-28 02:53:58,867 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:53:58,868 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:53:58,894 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56864fe8-c589-4205-828a-a08ce539379b/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2024-11-28 02:53:59,075 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56864fe8-c589-4205-828a-a08ce539379b/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:53:59,076 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:53:59,076 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:53:59,076 INFO L85 PathProgramCache]: Analyzing trace with hash 1471182266, now seen corresponding path program 1 times [2024-11-28 02:53:59,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:53:59,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1671174004] [2024-11-28 02:53:59,076 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:53:59,077 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:53:59,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56864fe8-c589-4205-828a-a08ce539379b/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:53:59,078 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56864fe8-c589-4205-828a-a08ce539379b/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 02:53:59,080 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56864fe8-c589-4205-828a-a08ce539379b/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2024-11-28 02:54:00,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:54:00,090 INFO L256 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-28 02:54:00,098 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:54:35,861 WARN L286 SmtUtils]: Spent 6.13s on a formula simplification that was a NOOP. DAG size: 28 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-28 02:54:44,445 WARN L286 SmtUtils]: Spent 8.49s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 02:55:05,019 WARN L286 SmtUtils]: Spent 8.49s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 02:55:26,824 WARN L286 SmtUtils]: Spent 5.72s on a formula simplification that was a NOOP. DAG size: 31 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-28 02:55:52,617 WARN L286 SmtUtils]: Spent 7.90s on a formula simplification that was a NOOP. DAG size: 40 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-28 02:56:21,160 WARN L286 SmtUtils]: Spent 6.81s on a formula simplification. DAG size of input: 47 DAG size of output: 42 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)