./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-1.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_939653f4-576e-4468-9869-6f7782e212c3/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_939653f4-576e-4468-9869-6f7782e212c3/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_939653f4-576e-4468-9869-6f7782e212c3/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_939653f4-576e-4468-9869-6f7782e212c3/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_939653f4-576e-4468-9869-6f7782e212c3/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_939653f4-576e-4468-9869-6f7782e212c3/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 c32f06198d4b6c15a09a5b498d77e8cc9e6c390ccc6a862ad3d691f116655e02 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 04:06:45,114 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 04:06:45,223 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_939653f4-576e-4468-9869-6f7782e212c3/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-28 04:06:45,230 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 04:06:45,230 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 04:06:45,266 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 04:06:45,267 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 04:06:45,267 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 04:06:45,268 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 04:06:45,268 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 04:06:45,269 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 04:06:45,269 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 04:06:45,270 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 04:06:45,270 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 04:06:45,270 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 04:06:45,271 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 04:06:45,271 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 04:06:45,271 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 04:06:45,272 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 04:06:45,272 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 04:06:45,272 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 04:06:45,272 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 04:06:45,272 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 04:06:45,272 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 04:06:45,272 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 04:06:45,272 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 04:06:45,273 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 04:06:45,273 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 04:06:45,273 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 04:06:45,273 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:06:45,273 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:06:45,273 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:06:45,273 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:06:45,273 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 04:06:45,274 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:06:45,274 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:06:45,275 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:06:45,275 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:06:45,275 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 04:06:45,275 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 04:06:45,275 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 04:06:45,275 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 04:06:45,276 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 04:06:45,276 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 04:06:45,276 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 04:06:45,276 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 04:06:45,276 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 04:06:45,276 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 04:06:45,276 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_939653f4-576e-4468-9869-6f7782e212c3/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 -> c32f06198d4b6c15a09a5b498d77e8cc9e6c390ccc6a862ad3d691f116655e02 [2024-11-28 04:06:45,594 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 04:06:45,609 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 04:06:45,612 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 04:06:45,614 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 04:06:45,614 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 04:06:45,615 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_939653f4-576e-4468-9869-6f7782e212c3/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-1.i [2024-11-28 04:06:48,734 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_939653f4-576e-4468-9869-6f7782e212c3/bin/uautomizer-verify-aQ6SnzHsRB/data/06ab393f9/15bcf3e5ec6945449d5ca52d2d0c98b2/FLAG7cb5b02f2 [2024-11-28 04:06:49,207 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 04:06:49,208 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_939653f4-576e-4468-9869-6f7782e212c3/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-1.i [2024-11-28 04:06:49,222 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_939653f4-576e-4468-9869-6f7782e212c3/bin/uautomizer-verify-aQ6SnzHsRB/data/06ab393f9/15bcf3e5ec6945449d5ca52d2d0c98b2/FLAG7cb5b02f2 [2024-11-28 04:06:49,252 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_939653f4-576e-4468-9869-6f7782e212c3/bin/uautomizer-verify-aQ6SnzHsRB/data/06ab393f9/15bcf3e5ec6945449d5ca52d2d0c98b2 [2024-11-28 04:06:49,255 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 04:06:49,257 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 04:06:49,260 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 04:06:49,261 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 04:06:49,266 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 04:06:49,267 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:06:49" (1/1) ... [2024-11-28 04:06:49,268 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c7b8dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:06:49, skipping insertion in model container [2024-11-28 04:06:49,269 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:06:49" (1/1) ... [2024-11-28 04:06:49,306 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 04:06:49,511 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_939653f4-576e-4468-9869-6f7782e212c3/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-1.i[912,925] [2024-11-28 04:06:49,593 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:06:49,612 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 04:06:49,624 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_939653f4-576e-4468-9869-6f7782e212c3/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-1.i[912,925] [2024-11-28 04:06:49,659 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:06:49,689 INFO L204 MainTranslator]: Completed translation [2024-11-28 04:06:49,689 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:06:49 WrapperNode [2024-11-28 04:06:49,690 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 04:06:49,692 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 04:06:49,692 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 04:06:49,692 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 04:06:49,701 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:06:49" (1/1) ... [2024-11-28 04:06:49,713 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:06:49" (1/1) ... [2024-11-28 04:06:49,755 INFO L138 Inliner]: procedures = 26, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 152 [2024-11-28 04:06:49,756 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 04:06:49,756 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 04:06:49,757 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 04:06:49,757 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 04:06:49,772 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:06:49" (1/1) ... [2024-11-28 04:06:49,776 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:06:49" (1/1) ... [2024-11-28 04:06:49,782 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:06:49" (1/1) ... [2024-11-28 04:06:49,811 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 04:06:49,811 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:06:49" (1/1) ... [2024-11-28 04:06:49,812 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:06:49" (1/1) ... [2024-11-28 04:06:49,824 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:06:49" (1/1) ... [2024-11-28 04:06:49,829 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:06:49" (1/1) ... [2024-11-28 04:06:49,838 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:06:49" (1/1) ... [2024-11-28 04:06:49,840 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:06:49" (1/1) ... [2024-11-28 04:06:49,845 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:06:49" (1/1) ... [2024-11-28 04:06:49,851 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 04:06:49,852 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 04:06:49,856 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 04:06:49,856 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 04:06:49,857 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:06:49" (1/1) ... [2024-11-28 04:06:49,867 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:06:49,884 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_939653f4-576e-4468-9869-6f7782e212c3/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:06:49,903 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_939653f4-576e-4468-9869-6f7782e212c3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 04:06:49,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_939653f4-576e-4468-9869-6f7782e212c3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 04:06:49,940 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 04:06:49,940 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 04:06:49,940 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 04:06:49,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 04:06:49,941 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 04:06:49,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 04:06:50,066 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 04:06:50,071 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 04:06:50,583 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-28 04:06:50,585 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 04:06:50,598 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 04:06:50,598 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 04:06:50,599 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:06:50 BoogieIcfgContainer [2024-11-28 04:06:50,599 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 04:06:50,602 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 04:06:50,602 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 04:06:50,608 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 04:06:50,609 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:06:49" (1/3) ... [2024-11-28 04:06:50,609 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6999b8ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:06:50, skipping insertion in model container [2024-11-28 04:06:50,609 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:06:49" (2/3) ... [2024-11-28 04:06:50,610 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6999b8ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:06:50, skipping insertion in model container [2024-11-28 04:06:50,610 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:06:50" (3/3) ... [2024-11-28 04:06:50,611 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_normal_file-1.i [2024-11-28 04:06:50,631 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 04:06:50,633 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodesize_normal_file-1.i that has 2 procedures, 68 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 04:06:50,730 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 04:06:50,751 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;@7d7494ab, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 04:06:50,753 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 04:06:50,757 INFO L276 IsEmpty]: Start isEmpty. Operand has 68 states, 42 states have (on average 1.3571428571428572) internal successors, (57), 43 states have internal predecessors, (57), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-28 04:06:50,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-11-28 04:06:50,772 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:06:50,774 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:06:50,774 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:06:50,783 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:06:50,784 INFO L85 PathProgramCache]: Analyzing trace with hash 202946144, now seen corresponding path program 1 times [2024-11-28 04:06:50,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:06:50,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1427788917] [2024-11-28 04:06:50,796 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:06:50,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:06:50,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:06:51,177 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 968 trivial. 0 not checked. [2024-11-28 04:06:51,178 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:06:51,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1427788917] [2024-11-28 04:06:51,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1427788917] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:06:51,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [600676422] [2024-11-28 04:06:51,179 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:06:51,179 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:06:51,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_939653f4-576e-4468-9869-6f7782e212c3/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:06:51,183 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_939653f4-576e-4468-9869-6f7782e212c3/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:06:51,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_939653f4-576e-4468-9869-6f7782e212c3/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 04:06:51,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:06:51,429 INFO L256 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 04:06:51,438 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:06:51,486 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 968 trivial. 0 not checked. [2024-11-28 04:06:51,486 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:06:51,486 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [600676422] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:06:51,486 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:06:51,488 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-28 04:06:51,490 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200369387] [2024-11-28 04:06:51,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:06:51,496 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 04:06:51,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:06:51,524 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 04:06:51,525 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 04:06:51,527 INFO L87 Difference]: Start difference. First operand has 68 states, 42 states have (on average 1.3571428571428572) internal successors, (57), 43 states have internal predecessors, (57), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) Second operand has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-28 04:06:51,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:06:51,558 INFO L93 Difference]: Finished difference Result 129 states and 223 transitions. [2024-11-28 04:06:51,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 04:06:51,561 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 146 [2024-11-28 04:06:51,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:06:51,572 INFO L225 Difference]: With dead ends: 129 [2024-11-28 04:06:51,572 INFO L226 Difference]: Without dead ends: 64 [2024-11-28 04:06:51,576 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 147 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 04:06:51,581 INFO L435 NwaCegarLoop]: 95 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, 95 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 04:06:51,585 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 04:06:51,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2024-11-28 04:06:51,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2024-11-28 04:06:51,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 39 states have (on average 1.2564102564102564) internal successors, (49), 39 states have internal predecessors, (49), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-28 04:06:51,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 95 transitions. [2024-11-28 04:06:51,638 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 95 transitions. Word has length 146 [2024-11-28 04:06:51,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:06:51,639 INFO L471 AbstractCegarLoop]: Abstraction has 64 states and 95 transitions. [2024-11-28 04:06:51,639 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-28 04:06:51,639 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 95 transitions. [2024-11-28 04:06:51,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-11-28 04:06:51,642 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:06:51,643 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:06:51,653 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_939653f4-576e-4468-9869-6f7782e212c3/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-28 04:06:51,843 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_939653f4-576e-4468-9869-6f7782e212c3/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:06:51,843 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:06:51,844 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:06:51,844 INFO L85 PathProgramCache]: Analyzing trace with hash -1068424608, now seen corresponding path program 1 times [2024-11-28 04:06:51,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:06:51,845 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417381553] [2024-11-28 04:06:51,845 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:06:51,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:06:52,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:06:52,805 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-28 04:06:52,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:06:52,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1417381553] [2024-11-28 04:06:52,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1417381553] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:06:52,806 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:06:52,806 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:06:52,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649343153] [2024-11-28 04:06:52,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:06:52,808 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:06:52,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:06:52,809 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:06:52,809 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:06:52,810 INFO L87 Difference]: Start difference. First operand 64 states and 95 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-28 04:06:52,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:06:52,872 INFO L93 Difference]: Finished difference Result 186 states and 279 transitions. [2024-11-28 04:06:52,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:06:52,874 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 146 [2024-11-28 04:06:52,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:06:52,877 INFO L225 Difference]: With dead ends: 186 [2024-11-28 04:06:52,878 INFO L226 Difference]: Without dead ends: 125 [2024-11-28 04:06:52,879 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 04:06:52,880 INFO L435 NwaCegarLoop]: 93 mSDtfsCounter, 43 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 180 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 04:06:52,882 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 180 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 04:06:52,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2024-11-28 04:06:52,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 123. [2024-11-28 04:06:52,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 74 states have (on average 1.2567567567567568) internal successors, (93), 74 states have internal predecessors, (93), 46 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-28 04:06:52,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 185 transitions. [2024-11-28 04:06:52,948 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 185 transitions. Word has length 146 [2024-11-28 04:06:52,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:06:52,950 INFO L471 AbstractCegarLoop]: Abstraction has 123 states and 185 transitions. [2024-11-28 04:06:52,953 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-28 04:06:52,953 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 185 transitions. [2024-11-28 04:06:52,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-28 04:06:52,958 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:06:52,958 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:06:52,958 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 04:06:52,958 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:06:52,959 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:06:52,959 INFO L85 PathProgramCache]: Analyzing trace with hash 1292077331, now seen corresponding path program 1 times [2024-11-28 04:06:52,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:06:52,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340210684] [2024-11-28 04:06:52,960 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:06:52,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:06:53,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:06:53,422 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-28 04:06:53,422 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:06:53,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1340210684] [2024-11-28 04:06:53,422 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1340210684] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:06:53,422 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:06:53,423 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 04:06:53,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789787274] [2024-11-28 04:06:53,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:06:53,423 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 04:06:53,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:06:53,429 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 04:06:53,429 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:06:53,429 INFO L87 Difference]: Start difference. First operand 123 states and 185 transitions. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-28 04:06:53,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:06:53,815 INFO L93 Difference]: Finished difference Result 359 states and 541 transitions. [2024-11-28 04:06:53,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 04:06:53,816 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 147 [2024-11-28 04:06:53,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:06:53,822 INFO L225 Difference]: With dead ends: 359 [2024-11-28 04:06:53,825 INFO L226 Difference]: Without dead ends: 239 [2024-11-28 04:06:53,827 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:06:53,829 INFO L435 NwaCegarLoop]: 150 mSDtfsCounter, 83 mSDsluCounter, 177 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 327 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 04:06:53,831 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 327 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 04:06:53,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2024-11-28 04:06:53,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 131. [2024-11-28 04:06:53,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 82 states have (on average 1.2317073170731707) internal successors, (101), 82 states have internal predecessors, (101), 46 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-28 04:06:53,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 193 transitions. [2024-11-28 04:06:53,921 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 193 transitions. Word has length 147 [2024-11-28 04:06:53,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:06:53,923 INFO L471 AbstractCegarLoop]: Abstraction has 131 states and 193 transitions. [2024-11-28 04:06:53,924 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-28 04:06:53,924 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 193 transitions. [2024-11-28 04:06:53,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-28 04:06:53,931 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:06:53,931 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:06:53,931 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 04:06:53,931 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:06:53,932 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:06:53,932 INFO L85 PathProgramCache]: Analyzing trace with hash -1908798377, now seen corresponding path program 1 times [2024-11-28 04:06:53,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:06:53,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1514425832] [2024-11-28 04:06:53,933 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:06:53,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:06:54,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 04:06:54,181 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1740003357] [2024-11-28 04:06:54,181 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:06:54,182 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:06:54,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_939653f4-576e-4468-9869-6f7782e212c3/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:06:54,184 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_939653f4-576e-4468-9869-6f7782e212c3/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:06:54,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_939653f4-576e-4468-9869-6f7782e212c3/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 04:06:54,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:06:54,423 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 04:06:54,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:06:54,616 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-28 04:06:54,616 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-28 04:06:54,618 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-28 04:06:54,632 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_939653f4-576e-4468-9869-6f7782e212c3/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-28 04:06:54,820 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_939653f4-576e-4468-9869-6f7782e212c3/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:06:54,823 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-28 04:06:54,951 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 04:06:54,957 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 04:06:54 BoogieIcfgContainer [2024-11-28 04:06:54,958 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 04:06:54,958 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 04:06:54,959 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 04:06:54,959 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 04:06:54,960 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:06:50" (3/4) ... [2024-11-28 04:06:54,962 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-28 04:06:54,963 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 04:06:54,965 INFO L158 Benchmark]: Toolchain (without parser) took 5707.24ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 93.9MB in the beginning and 153.6MB in the end (delta: -59.7MB). Peak memory consumption was 174.2MB. Max. memory is 16.1GB. [2024-11-28 04:06:54,966 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 167.8MB. Free memory is still 101.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:06:54,967 INFO L158 Benchmark]: CACSL2BoogieTranslator took 431.63ms. Allocated memory is still 117.4MB. Free memory was 93.6MB in the beginning and 79.7MB in the end (delta: 13.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 04:06:54,967 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.05ms. Allocated memory is still 117.4MB. Free memory was 79.7MB in the beginning and 76.4MB in the end (delta: 3.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 04:06:54,968 INFO L158 Benchmark]: Boogie Preprocessor took 95.29ms. Allocated memory is still 117.4MB. Free memory was 76.4MB in the beginning and 72.7MB in the end (delta: 3.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:06:54,969 INFO L158 Benchmark]: RCFGBuilder took 746.58ms. Allocated memory is still 117.4MB. Free memory was 72.7MB in the beginning and 53.0MB in the end (delta: 19.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-28 04:06:54,969 INFO L158 Benchmark]: TraceAbstraction took 4356.18ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 52.6MB in the beginning and 153.6MB in the end (delta: -101.0MB). Peak memory consumption was 132.3MB. Max. memory is 16.1GB. [2024-11-28 04:06:54,970 INFO L158 Benchmark]: Witness Printer took 5.00ms. Allocated memory is still 352.3MB. Free memory was 153.6MB in the beginning and 153.6MB in the end (delta: 18.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:06:54,972 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 101.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 431.63ms. Allocated memory is still 117.4MB. Free memory was 93.6MB in the beginning and 79.7MB in the end (delta: 13.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.05ms. Allocated memory is still 117.4MB. Free memory was 79.7MB in the beginning and 76.4MB in the end (delta: 3.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 95.29ms. Allocated memory is still 117.4MB. Free memory was 76.4MB in the beginning and 72.7MB in the end (delta: 3.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 746.58ms. Allocated memory is still 117.4MB. Free memory was 72.7MB in the beginning and 53.0MB in the end (delta: 19.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 4356.18ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 52.6MB in the beginning and 153.6MB in the end (delta: -101.0MB). Peak memory consumption was 132.3MB. Max. memory is 16.1GB. * Witness Printer took 5.00ms. Allocated memory is still 352.3MB. Free memory was 153.6MB in the beginning and 153.6MB in the end (delta: 18.0kB). 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 134, overapproximation of someBinaryFLOATComparisonOperation at line 97, overapproximation of someBinaryFLOATComparisonOperation at line 102, overapproximation of someBinaryDOUBLEComparisonOperation at line 134, overapproximation of someBinaryDOUBLEComparisonOperation at line 95. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = 64; [L23] double var_1_6 = 31.5; [L24] double var_1_9 = 1000000000.25; [L25] float var_1_10 = 1.1; [L26] float var_1_11 = 8.75; [L27] float var_1_12 = 63.8; [L28] unsigned char var_1_13 = 1; [L29] float var_1_14 = 127.5; [L30] signed char var_1_15 = -2; [L31] signed char var_1_16 = 1; [L32] signed char var_1_17 = 1; [L33] signed char var_1_18 = 1; [L34] signed char var_1_19 = -2; [L35] signed char var_1_20 = 16; [L36] signed char var_1_21 = 2; [L37] signed char var_1_22 = 8; [L38] unsigned char var_1_23 = 0; [L39] unsigned char var_1_24 = 0; [L40] unsigned char var_1_25 = 0; [L41] unsigned char var_1_26 = 0; [L42] unsigned char var_1_27 = 32; VAL [isInitial=0, var_1_10=11/10, var_1_11=35/4, var_1_12=319/5, var_1_13=1, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2, var_1_9=4000000001/4] [L138] isInitial = 1 [L139] FCALL initially() [L141] FCALL updateLastVariables() [L142] CALL updateVariables() [L94] var_1_9 = __VERIFIER_nondet_double() [L95] CALL assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=35/4, var_1_12=319/5, var_1_13=1, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=35/4, var_1_12=319/5, var_1_13=1, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L95] RET assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=11/10, var_1_11=35/4, var_1_12=319/5, var_1_13=1, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L96] var_1_11 = __VERIFIER_nondet_float() [L97] CALL assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=1, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=1, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L97] RET assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=1, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L98] var_1_13 = __VERIFIER_nondet_uchar() [L99] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L99] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L100] CALL assume_abort_if_not(var_1_13 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L100] RET assume_abort_if_not(var_1_13 <= 1) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L101] var_1_14 = __VERIFIER_nondet_float() [L102] CALL assume_abort_if_not((var_1_14 >= -922337.2036854765600e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L102] RET assume_abort_if_not((var_1_14 >= -922337.2036854765600e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L103] var_1_16 = __VERIFIER_nondet_char() [L104] CALL assume_abort_if_not(var_1_16 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L104] RET assume_abort_if_not(var_1_16 >= -1) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L105] CALL assume_abort_if_not(var_1_16 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L105] RET assume_abort_if_not(var_1_16 <= 126) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L106] var_1_17 = __VERIFIER_nondet_char() [L107] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L107] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L108] CALL assume_abort_if_not(var_1_17 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L108] RET assume_abort_if_not(var_1_17 <= 126) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L109] var_1_19 = __VERIFIER_nondet_char() [L110] CALL assume_abort_if_not(var_1_19 >= -63) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=4, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=4, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L110] RET assume_abort_if_not(var_1_19 >= -63) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=4, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L111] CALL assume_abort_if_not(var_1_19 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=4, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=4, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L111] RET assume_abort_if_not(var_1_19 <= 63) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=4, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L112] var_1_20 = __VERIFIER_nondet_char() [L113] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=4, var_1_1=64, var_1_20=3, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=4, var_1_1=64, var_1_20=3, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L113] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=4, var_1_1=64, var_1_20=3, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L114] CALL assume_abort_if_not(var_1_20 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=4, var_1_1=64, var_1_20=3, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=4, var_1_1=64, var_1_20=3, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L114] RET assume_abort_if_not(var_1_20 <= 63) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=4, var_1_1=64, var_1_20=3, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L115] var_1_21 = __VERIFIER_nondet_char() [L116] CALL assume_abort_if_not(var_1_21 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=4, var_1_1=64, var_1_20=3, var_1_21=0, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=4, var_1_1=64, var_1_20=3, var_1_21=0, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L116] RET assume_abort_if_not(var_1_21 >= 0) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=4, var_1_1=64, var_1_20=3, var_1_21=0, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L117] CALL assume_abort_if_not(var_1_21 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=4, var_1_1=64, var_1_20=3, var_1_21=0, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=4, var_1_1=64, var_1_20=3, var_1_21=0, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L117] RET assume_abort_if_not(var_1_21 <= 63) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=4, var_1_1=64, var_1_20=3, var_1_21=0, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L118] var_1_22 = __VERIFIER_nondet_char() [L119] CALL assume_abort_if_not(var_1_22 >= -63) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=4, var_1_1=64, var_1_20=3, var_1_21=0, var_1_22=-1, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=4, var_1_1=64, var_1_20=3, var_1_21=0, var_1_22=-1, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L119] RET assume_abort_if_not(var_1_22 >= -63) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=4, var_1_1=64, var_1_20=3, var_1_21=0, var_1_22=-1, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L120] CALL assume_abort_if_not(var_1_22 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=4, var_1_1=64, var_1_20=3, var_1_21=0, var_1_22=-1, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=4, var_1_1=64, var_1_20=3, var_1_21=0, var_1_22=-1, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L120] RET assume_abort_if_not(var_1_22 <= 63) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=4, var_1_1=64, var_1_20=3, var_1_21=0, var_1_22=-1, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L121] var_1_24 = __VERIFIER_nondet_uchar() [L122] CALL assume_abort_if_not(var_1_24 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=4, var_1_1=64, var_1_20=3, var_1_21=0, var_1_22=-1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=4, var_1_1=64, var_1_20=3, var_1_21=0, var_1_22=-1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L122] RET assume_abort_if_not(var_1_24 >= 1) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=4, var_1_1=64, var_1_20=3, var_1_21=0, var_1_22=-1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L123] CALL assume_abort_if_not(var_1_24 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=4, var_1_1=64, var_1_20=3, var_1_21=0, var_1_22=-1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=4, var_1_1=64, var_1_20=3, var_1_21=0, var_1_22=-1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L123] RET assume_abort_if_not(var_1_24 <= 1) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=4, var_1_1=64, var_1_20=3, var_1_21=0, var_1_22=-1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L124] var_1_25 = __VERIFIER_nondet_uchar() [L125] CALL assume_abort_if_not(var_1_25 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=4, var_1_1=64, var_1_20=3, var_1_21=0, var_1_22=-1, var_1_23=0, var_1_24=1, var_1_26=0, var_1_27=32, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=4, var_1_1=64, var_1_20=3, var_1_21=0, var_1_22=-1, var_1_23=0, var_1_24=1, var_1_26=0, var_1_27=32, var_1_6=63/2] [L125] RET assume_abort_if_not(var_1_25 >= 0) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=4, var_1_1=64, var_1_20=3, var_1_21=0, var_1_22=-1, var_1_23=0, var_1_24=1, var_1_26=0, var_1_27=32, var_1_6=63/2] [L126] CALL assume_abort_if_not(var_1_25 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=4, var_1_1=64, var_1_20=3, var_1_21=0, var_1_22=-1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=4, var_1_1=64, var_1_20=3, var_1_21=0, var_1_22=-1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L126] RET assume_abort_if_not(var_1_25 <= 0) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=4, var_1_1=64, var_1_20=3, var_1_21=0, var_1_22=-1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L127] var_1_26 = __VERIFIER_nondet_uchar() [L128] CALL assume_abort_if_not(var_1_26 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=4, var_1_1=64, var_1_20=3, var_1_21=0, var_1_22=-1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=4, var_1_1=64, var_1_20=3, var_1_21=0, var_1_22=-1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_6=63/2] [L128] RET assume_abort_if_not(var_1_26 >= 1) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=4, var_1_1=64, var_1_20=3, var_1_21=0, var_1_22=-1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_6=63/2] [L129] CALL assume_abort_if_not(var_1_26 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=4, var_1_1=64, var_1_20=3, var_1_21=0, var_1_22=-1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=4, var_1_1=64, var_1_20=3, var_1_21=0, var_1_22=-1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_6=63/2] [L129] RET assume_abort_if_not(var_1_26 <= 1) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=4, var_1_1=64, var_1_20=3, var_1_21=0, var_1_22=-1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_6=63/2] [L142] RET updateVariables() [L143] CALL step() [L46] var_1_15 = (var_1_16 - var_1_17) [L47] var_1_27 = var_1_21 [L48] unsigned char stepLocal_1 = var_1_27; [L49] unsigned char stepLocal_0 = var_1_27; VAL [isInitial=1, stepLocal_0=0, stepLocal_1=0, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=4, var_1_1=64, var_1_20=3, var_1_21=0, var_1_22=-1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=0, var_1_6=63/2] [L50] COND TRUE (var_1_27 + var_1_27) <= stepLocal_1 [L51] var_1_1 = (128 + var_1_27) VAL [isInitial=1, stepLocal_0=0, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=4, var_1_1=128, var_1_20=3, var_1_21=0, var_1_22=-1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=0, var_1_6=63/2] [L59] COND FALSE !(var_1_27 < (var_1_27 - var_1_27)) VAL [isInitial=1, stepLocal_0=0, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=4, var_1_1=128, var_1_20=3, var_1_21=0, var_1_22=-1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=0, var_1_6=63/2] [L62] unsigned char stepLocal_2 = var_1_27; VAL [isInitial=1, stepLocal_0=0, stepLocal_2=0, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=4, var_1_1=128, var_1_20=3, var_1_21=0, var_1_22=-1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=0, var_1_6=63/2] [L63] COND FALSE !(var_1_27 > stepLocal_2) [L66] var_1_10 = 9.75f VAL [isInitial=1, stepLocal_0=0, var_1_10=39/4, var_1_12=319/5, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=4, var_1_1=128, var_1_20=3, var_1_21=0, var_1_22=-1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=0, var_1_6=63/2] [L68] COND TRUE ((((var_1_27) < (var_1_27)) ? (var_1_27) : (var_1_27))) < 25u [L69] var_1_18 = (((((var_1_19) > ((var_1_20 - var_1_21))) ? (var_1_19) : ((var_1_20 - var_1_21)))) + (((((((var_1_22) < 0 ) ? -(var_1_22) : (var_1_22))) < 0 ) ? -((((var_1_22) < 0 ) ? -(var_1_22) : (var_1_22))) : ((((var_1_22) < 0 ) ? -(var_1_22) : (var_1_22)))))) VAL [isInitial=1, stepLocal_0=0, var_1_10=39/4, var_1_12=319/5, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=5, var_1_19=4, var_1_1=128, var_1_20=3, var_1_21=0, var_1_22=-1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=0, var_1_6=63/2] [L71] signed long int stepLocal_5 = ~ var_1_21; VAL [isInitial=1, stepLocal_0=0, stepLocal_5=-1, var_1_10=39/4, var_1_12=319/5, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=5, var_1_19=4, var_1_1=128, var_1_20=3, var_1_21=0, var_1_22=-1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=0, var_1_6=63/2] [L72] COND FALSE !(\read(var_1_13)) VAL [isInitial=1, stepLocal_0=0, stepLocal_5=-1, var_1_10=39/4, var_1_12=319/5, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=5, var_1_19=4, var_1_1=128, var_1_20=3, var_1_21=0, var_1_22=-1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=0, var_1_6=63/2] [L81] unsigned char stepLocal_4 = var_1_18 >= var_1_27; [L82] unsigned char stepLocal_3 = var_1_27; VAL [isInitial=1, stepLocal_0=0, stepLocal_3=0, stepLocal_4=1, stepLocal_5=-1, var_1_10=39/4, var_1_12=319/5, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=5, var_1_19=4, var_1_1=128, var_1_20=3, var_1_21=0, var_1_22=-1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=0, var_1_6=63/2] [L83] COND FALSE !(var_1_23 && stepLocal_4) VAL [isInitial=1, stepLocal_0=0, stepLocal_3=0, stepLocal_5=-1, var_1_10=39/4, var_1_12=319/5, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=5, var_1_19=4, var_1_1=128, var_1_20=3, var_1_21=0, var_1_22=-1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=0, var_1_6=63/2] [L86] COND TRUE 1 >= stepLocal_3 [L87] var_1_12 = var_1_11 VAL [isInitial=1, stepLocal_0=0, stepLocal_5=-1, var_1_10=39/4, var_1_11=2, var_1_12=2, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=5, var_1_19=4, var_1_1=128, var_1_20=3, var_1_21=0, var_1_22=-1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=0, var_1_6=63/2] [L143] RET step() [L144] CALL, EXPR property() [L134-L135] return (((((((((var_1_27 + var_1_27) <= var_1_27) ? (var_1_1 == ((signed short int) (128 + var_1_27))) : ((var_1_27 >= (var_1_27 * var_1_27)) ? (var_1_1 == ((signed short int) var_1_27)) : (var_1_1 == ((signed short int) 1)))) && ((var_1_27 < (var_1_27 - var_1_27)) ? (var_1_6 == ((double) var_1_9)) : 1)) && ((var_1_27 > var_1_27) ? (var_1_10 == ((float) (1.00000000000009E13f - var_1_11))) : (var_1_10 == ((float) 9.75f)))) && ((var_1_23 && (var_1_18 >= var_1_27)) ? (var_1_12 == ((float) var_1_11)) : ((1 >= var_1_27) ? (var_1_12 == ((float) var_1_11)) : (var_1_12 == ((float) var_1_14))))) && (var_1_15 == ((signed char) (var_1_16 - var_1_17)))) && ((((((var_1_27) < (var_1_27)) ? (var_1_27) : (var_1_27))) < 25u) ? (var_1_18 == ((signed char) (((((var_1_19) > ((var_1_20 - var_1_21))) ? (var_1_19) : ((var_1_20 - var_1_21)))) + (((((((var_1_22) < 0 ) ? -(var_1_22) : (var_1_22))) < 0 ) ? -((((var_1_22) < 0 ) ? -(var_1_22) : (var_1_22))) : ((((var_1_22) < 0 ) ? -(var_1_22) : (var_1_22)))))))) : 1)) && (var_1_13 ? (((~ var_1_21) > var_1_27) ? (var_1_23 == ((unsigned char) (var_1_24 && (! var_1_25)))) : (var_1_24 ? (var_1_23 == ((unsigned char) ((! var_1_25) || var_1_26))) : 1)) : 1)) && (var_1_27 == ((unsigned char) var_1_21)) ; VAL [\result=0, isInitial=1, var_1_10=39/4, var_1_11=2, var_1_12=2, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=5, var_1_19=4, var_1_1=128, var_1_20=3, var_1_21=0, var_1_22=-1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=0, var_1_6=63/2] [L144] RET, EXPR property() [L144] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=39/4, var_1_11=2, var_1_12=2, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=5, var_1_19=4, var_1_1=128, var_1_20=3, var_1_21=0, var_1_22=-1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=0, var_1_6=63/2] [L19] reach_error() VAL [isInitial=1, var_1_10=39/4, var_1_11=2, var_1_12=2, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=5, var_1_19=4, var_1_1=128, var_1_20=3, var_1_21=0, var_1_22=-1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=0, var_1_6=63/2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 68 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.1s, OverallIterations: 4, TraceHistogramMax: 23, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 126 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 126 mSDsluCounter, 602 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 264 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 91 IncrementalHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 338 mSDtfsCounter, 91 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 155 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=131occurred in iteration=3, InterpolantAutomatonStates: 9, 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, 3 MinimizatonAttempts, 110 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 879 NumberOfCodeBlocks, 879 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 581 ConstructedInterpolants, 0 QuantifiedInterpolants, 991 SizeOfPredicates, 0 NumberOfNonLiveVariables, 336 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 4004/4048 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 04:06:54,998 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_939653f4-576e-4468-9869-6f7782e212c3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_939653f4-576e-4468-9869-6f7782e212c3/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_939653f4-576e-4468-9869-6f7782e212c3/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_939653f4-576e-4468-9869-6f7782e212c3/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_939653f4-576e-4468-9869-6f7782e212c3/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_939653f4-576e-4468-9869-6f7782e212c3/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_939653f4-576e-4468-9869-6f7782e212c3/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 c32f06198d4b6c15a09a5b498d77e8cc9e6c390ccc6a862ad3d691f116655e02 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 04:06:57,864 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 04:06:57,985 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_939653f4-576e-4468-9869-6f7782e212c3/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-28 04:06:57,992 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 04:06:57,992 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 04:06:58,041 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 04:06:58,042 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 04:06:58,042 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 04:06:58,044 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 04:06:58,044 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 04:06:58,044 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 04:06:58,045 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 04:06:58,045 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 04:06:58,045 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 04:06:58,045 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 04:06:58,045 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 04:06:58,047 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 04:06:58,047 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 04:06:58,047 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 04:06:58,047 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 04:06:58,047 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 04:06:58,048 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 04:06:58,048 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 04:06:58,048 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-28 04:06:58,048 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-28 04:06:58,048 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-28 04:06:58,048 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 04:06:58,048 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 04:06:58,048 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 04:06:58,048 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 04:06:58,049 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 04:06:58,049 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:06:58,049 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:06:58,049 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:06:58,049 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:06:58,049 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 04:06:58,049 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:06:58,049 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:06:58,049 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:06:58,049 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:06:58,050 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 04:06:58,050 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 04:06:58,050 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 04:06:58,050 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 04:06:58,050 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-28 04:06:58,050 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-28 04:06:58,050 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 04:06:58,050 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 04:06:58,051 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 04:06:58,051 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 04:06:58,052 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_939653f4-576e-4468-9869-6f7782e212c3/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 -> c32f06198d4b6c15a09a5b498d77e8cc9e6c390ccc6a862ad3d691f116655e02 [2024-11-28 04:06:58,453 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 04:06:58,464 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 04:06:58,467 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 04:06:58,469 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 04:06:58,469 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 04:06:58,471 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_939653f4-576e-4468-9869-6f7782e212c3/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-1.i [2024-11-28 04:07:01,911 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_939653f4-576e-4468-9869-6f7782e212c3/bin/uautomizer-verify-aQ6SnzHsRB/data/777d49d23/335b9669ef554786b0749fc2ec66b850/FLAGadb70662c [2024-11-28 04:07:02,314 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 04:07:02,314 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_939653f4-576e-4468-9869-6f7782e212c3/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-1.i [2024-11-28 04:07:02,330 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_939653f4-576e-4468-9869-6f7782e212c3/bin/uautomizer-verify-aQ6SnzHsRB/data/777d49d23/335b9669ef554786b0749fc2ec66b850/FLAGadb70662c [2024-11-28 04:07:02,358 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_939653f4-576e-4468-9869-6f7782e212c3/bin/uautomizer-verify-aQ6SnzHsRB/data/777d49d23/335b9669ef554786b0749fc2ec66b850 [2024-11-28 04:07:02,362 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 04:07:02,365 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 04:07:02,369 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 04:07:02,369 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 04:07:02,376 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 04:07:02,379 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:07:02" (1/1) ... [2024-11-28 04:07:02,380 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e99c13c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:07:02, skipping insertion in model container [2024-11-28 04:07:02,380 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:07:02" (1/1) ... [2024-11-28 04:07:02,412 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 04:07:02,655 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_939653f4-576e-4468-9869-6f7782e212c3/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-1.i[912,925] [2024-11-28 04:07:02,782 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:07:02,810 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 04:07:02,825 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_939653f4-576e-4468-9869-6f7782e212c3/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-1.i[912,925] [2024-11-28 04:07:02,887 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:07:02,911 INFO L204 MainTranslator]: Completed translation [2024-11-28 04:07:02,912 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:07:02 WrapperNode [2024-11-28 04:07:02,912 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 04:07:02,913 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 04:07:02,913 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 04:07:02,914 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 04:07:02,922 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:07:02" (1/1) ... [2024-11-28 04:07:02,939 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:07:02" (1/1) ... [2024-11-28 04:07:02,986 INFO L138 Inliner]: procedures = 27, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 146 [2024-11-28 04:07:02,987 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 04:07:02,987 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 04:07:02,987 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 04:07:02,988 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 04:07:02,999 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:07:02" (1/1) ... [2024-11-28 04:07:02,999 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:07:02" (1/1) ... [2024-11-28 04:07:03,004 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:07:02" (1/1) ... [2024-11-28 04:07:03,019 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 04:07:03,019 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:07:02" (1/1) ... [2024-11-28 04:07:03,019 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:07:02" (1/1) ... [2024-11-28 04:07:03,030 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:07:02" (1/1) ... [2024-11-28 04:07:03,031 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:07:02" (1/1) ... [2024-11-28 04:07:03,038 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:07:02" (1/1) ... [2024-11-28 04:07:03,041 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:07:02" (1/1) ... [2024-11-28 04:07:03,042 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:07:02" (1/1) ... [2024-11-28 04:07:03,046 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 04:07:03,047 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 04:07:03,047 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 04:07:03,047 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 04:07:03,048 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:07:02" (1/1) ... [2024-11-28 04:07:03,056 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:07:03,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_939653f4-576e-4468-9869-6f7782e212c3/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:07:03,097 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_939653f4-576e-4468-9869-6f7782e212c3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 04:07:03,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_939653f4-576e-4468-9869-6f7782e212c3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 04:07:03,138 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 04:07:03,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-28 04:07:03,140 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 04:07:03,140 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 04:07:03,140 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 04:07:03,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 04:07:03,285 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 04:07:03,288 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 04:07:03,956 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-28 04:07:03,956 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 04:07:03,975 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 04:07:03,977 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 04:07:03,978 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:07:03 BoogieIcfgContainer [2024-11-28 04:07:03,978 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 04:07:03,982 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 04:07:03,982 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 04:07:03,993 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 04:07:03,993 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:07:02" (1/3) ... [2024-11-28 04:07:03,994 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@404bcaba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:07:03, skipping insertion in model container [2024-11-28 04:07:03,995 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:07:02" (2/3) ... [2024-11-28 04:07:03,997 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@404bcaba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:07:03, skipping insertion in model container [2024-11-28 04:07:03,997 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:07:03" (3/3) ... [2024-11-28 04:07:03,999 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_normal_file-1.i [2024-11-28 04:07:04,022 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 04:07:04,025 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodesize_normal_file-1.i that has 2 procedures, 68 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 04:07:04,126 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 04:07:04,149 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;@23bcdf1e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 04:07:04,149 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 04:07:04,156 INFO L276 IsEmpty]: Start isEmpty. Operand has 68 states, 42 states have (on average 1.3571428571428572) internal successors, (57), 43 states have internal predecessors, (57), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-28 04:07:04,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-11-28 04:07:04,175 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:07:04,176 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:07:04,177 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:07:04,186 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:07:04,188 INFO L85 PathProgramCache]: Analyzing trace with hash 202946144, now seen corresponding path program 1 times [2024-11-28 04:07:04,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:07:04,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1527316524] [2024-11-28 04:07:04,209 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:07:04,209 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 04:07:04,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_939653f4-576e-4468-9869-6f7782e212c3/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:07:04,216 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_939653f4-576e-4468-9869-6f7782e212c3/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 04:07:04,217 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_939653f4-576e-4468-9869-6f7782e212c3/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 04:07:04,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:07:04,653 INFO L256 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 04:07:04,665 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:07:04,721 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 332 proven. 0 refuted. 0 times theorem prover too weak. 680 trivial. 0 not checked. [2024-11-28 04:07:04,722 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:07:04,723 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:07:04,723 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1527316524] [2024-11-28 04:07:04,723 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1527316524] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:07:04,724 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:07:04,724 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:07:04,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1363470408] [2024-11-28 04:07:04,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:07:04,732 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 04:07:04,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:07:04,757 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 04:07:04,758 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 04:07:04,761 INFO L87 Difference]: Start difference. First operand has 68 states, 42 states have (on average 1.3571428571428572) internal successors, (57), 43 states have internal predecessors, (57), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) 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, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-28 04:07:04,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:07:04,796 INFO L93 Difference]: Finished difference Result 129 states and 223 transitions. [2024-11-28 04:07:04,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 04:07:04,799 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, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 146 [2024-11-28 04:07:04,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:07:04,808 INFO L225 Difference]: With dead ends: 129 [2024-11-28 04:07:04,808 INFO L226 Difference]: Without dead ends: 64 [2024-11-28 04:07:04,812 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 145 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 04:07:04,816 INFO L435 NwaCegarLoop]: 95 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, 95 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 04:07:04,817 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 04:07:04,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2024-11-28 04:07:04,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2024-11-28 04:07:04,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 39 states have (on average 1.2564102564102564) internal successors, (49), 39 states have internal predecessors, (49), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-28 04:07:04,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 95 transitions. [2024-11-28 04:07:04,885 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 95 transitions. Word has length 146 [2024-11-28 04:07:04,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:07:04,887 INFO L471 AbstractCegarLoop]: Abstraction has 64 states and 95 transitions. [2024-11-28 04:07:04,888 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, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-28 04:07:04,888 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 95 transitions. [2024-11-28 04:07:04,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-11-28 04:07:04,892 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:07:04,893 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:07:04,901 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_939653f4-576e-4468-9869-6f7782e212c3/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 04:07:05,093 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_939653f4-576e-4468-9869-6f7782e212c3/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 04:07:05,094 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:07:05,095 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:07:05,095 INFO L85 PathProgramCache]: Analyzing trace with hash -1068424608, now seen corresponding path program 1 times [2024-11-28 04:07:05,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:07:05,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1067868538] [2024-11-28 04:07:05,097 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:07:05,097 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 04:07:05,097 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_939653f4-576e-4468-9869-6f7782e212c3/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:07:05,099 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_939653f4-576e-4468-9869-6f7782e212c3/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 04:07:05,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_939653f4-576e-4468-9869-6f7782e212c3/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 04:07:05,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:07:05,514 INFO L256 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-28 04:07:05,536 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:07:06,336 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 527 proven. 48 refuted. 0 times theorem prover too weak. 437 trivial. 0 not checked. [2024-11-28 04:07:06,337 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:07:06,631 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-28 04:07:06,631 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:07:06,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1067868538] [2024-11-28 04:07:06,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1067868538] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-28 04:07:06,632 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:07:06,632 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [10] total 11 [2024-11-28 04:07:06,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605315339] [2024-11-28 04:07:06,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:07:06,634 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:07:06,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:07:06,636 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:07:06,637 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2024-11-28 04:07:06,637 INFO L87 Difference]: Start difference. First operand 64 states and 95 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-28 04:07:06,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:07:06,753 INFO L93 Difference]: Finished difference Result 125 states and 187 transitions. [2024-11-28 04:07:06,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:07:06,755 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 146 [2024-11-28 04:07:06,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:07:06,758 INFO L225 Difference]: With dead ends: 125 [2024-11-28 04:07:06,761 INFO L226 Difference]: Without dead ends: 64 [2024-11-28 04:07:06,762 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 290 GetRequests, 281 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2024-11-28 04:07:06,763 INFO L435 NwaCegarLoop]: 93 mSDtfsCounter, 0 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 172 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:07:06,763 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 172 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 04:07:06,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2024-11-28 04:07:06,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2024-11-28 04:07:06,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 39 states have (on average 1.2307692307692308) internal successors, (48), 39 states have internal predecessors, (48), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-28 04:07:06,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 94 transitions. [2024-11-28 04:07:06,787 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 94 transitions. Word has length 146 [2024-11-28 04:07:06,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:07:06,793 INFO L471 AbstractCegarLoop]: Abstraction has 64 states and 94 transitions. [2024-11-28 04:07:06,793 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-28 04:07:06,793 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 94 transitions. [2024-11-28 04:07:06,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-11-28 04:07:06,798 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:07:06,799 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:07:06,807 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_939653f4-576e-4468-9869-6f7782e212c3/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 04:07:06,999 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_939653f4-576e-4468-9869-6f7782e212c3/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 04:07:07,000 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:07:07,000 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:07:07,000 INFO L85 PathProgramCache]: Analyzing trace with hash -1461451618, now seen corresponding path program 1 times [2024-11-28 04:07:07,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:07:07,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [947768942] [2024-11-28 04:07:07,002 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:07:07,002 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 04:07:07,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_939653f4-576e-4468-9869-6f7782e212c3/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:07:07,004 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_939653f4-576e-4468-9869-6f7782e212c3/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 04:07:07,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_939653f4-576e-4468-9869-6f7782e212c3/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 04:07:07,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:07:07,287 INFO L256 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 04:07:07,292 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:07:07,749 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-28 04:07:07,750 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:07:07,750 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:07:07,750 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [947768942] [2024-11-28 04:07:07,750 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [947768942] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:07:07,750 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:07:07,750 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:07:07,750 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535186557] [2024-11-28 04:07:07,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:07:07,751 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:07:07,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:07:07,752 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:07:07,752 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:07:07,752 INFO L87 Difference]: Start difference. First operand 64 states and 94 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-28 04:07:07,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:07:07,830 INFO L93 Difference]: Finished difference Result 186 states and 276 transitions. [2024-11-28 04:07:07,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:07:07,832 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 146 [2024-11-28 04:07:07,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:07:07,834 INFO L225 Difference]: With dead ends: 186 [2024-11-28 04:07:07,834 INFO L226 Difference]: Without dead ends: 125 [2024-11-28 04:07:07,836 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 144 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 04:07:07,837 INFO L435 NwaCegarLoop]: 92 mSDtfsCounter, 16 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 178 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:07:07,837 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 178 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 04:07:07,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2024-11-28 04:07:07,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 123. [2024-11-28 04:07:07,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 74 states have (on average 1.2297297297297298) internal successors, (91), 74 states have internal predecessors, (91), 46 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-28 04:07:07,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 183 transitions. [2024-11-28 04:07:07,876 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 183 transitions. Word has length 146 [2024-11-28 04:07:07,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:07:07,877 INFO L471 AbstractCegarLoop]: Abstraction has 123 states and 183 transitions. [2024-11-28 04:07:07,877 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-28 04:07:07,878 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 183 transitions. [2024-11-28 04:07:07,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-28 04:07:07,880 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:07:07,880 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:07:07,887 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_939653f4-576e-4468-9869-6f7782e212c3/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)] Forceful destruction successful, exit code 0 [2024-11-28 04:07:08,081 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_939653f4-576e-4468-9869-6f7782e212c3/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 04:07:08,081 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:07:08,082 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:07:08,082 INFO L85 PathProgramCache]: Analyzing trace with hash 1993141909, now seen corresponding path program 1 times [2024-11-28 04:07:08,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:07:08,083 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1983800564] [2024-11-28 04:07:08,083 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:07:08,083 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 04:07:08,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_939653f4-576e-4468-9869-6f7782e212c3/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:07:08,088 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_939653f4-576e-4468-9869-6f7782e212c3/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 04:07:08,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_939653f4-576e-4468-9869-6f7782e212c3/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 04:07:08,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:07:08,411 INFO L256 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-28 04:07:08,417 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:07:09,002 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 527 proven. 48 refuted. 0 times theorem prover too weak. 437 trivial. 0 not checked. [2024-11-28 04:07:09,003 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:07:09,236 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-28 04:07:09,237 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:07:09,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1983800564] [2024-11-28 04:07:09,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1983800564] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-28 04:07:09,237 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:07:09,237 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [11] total 13 [2024-11-28 04:07:09,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153582703] [2024-11-28 04:07:09,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:07:09,239 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 04:07:09,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:07:09,240 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 04:07:09,242 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2024-11-28 04:07:09,242 INFO L87 Difference]: Start difference. First operand 123 states and 183 transitions. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-28 04:07:09,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:07:09,416 INFO L93 Difference]: Finished difference Result 352 states and 526 transitions. [2024-11-28 04:07:09,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 04:07:09,418 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 147 [2024-11-28 04:07:09,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:07:09,422 INFO L225 Difference]: With dead ends: 352 [2024-11-28 04:07:09,422 INFO L226 Difference]: Without dead ends: 232 [2024-11-28 04:07:09,423 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 293 GetRequests, 281 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2024-11-28 04:07:09,424 INFO L435 NwaCegarLoop]: 89 mSDtfsCounter, 81 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 253 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:07:09,425 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 253 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 04:07:09,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2024-11-28 04:07:09,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 137. [2024-11-28 04:07:09,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 88 states have (on average 1.2727272727272727) internal successors, (112), 88 states have internal predecessors, (112), 46 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-28 04:07:09,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 204 transitions. [2024-11-28 04:07:09,507 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 204 transitions. Word has length 147 [2024-11-28 04:07:09,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:07:09,508 INFO L471 AbstractCegarLoop]: Abstraction has 137 states and 204 transitions. [2024-11-28 04:07:09,508 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-28 04:07:09,509 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 204 transitions. [2024-11-28 04:07:09,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-28 04:07:09,515 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:07:09,516 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:07:09,523 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_939653f4-576e-4468-9869-6f7782e212c3/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 04:07:09,716 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_939653f4-576e-4468-9869-6f7782e212c3/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 04:07:09,719 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:07:09,720 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:07:09,720 INFO L85 PathProgramCache]: Analyzing trace with hash 1994988951, now seen corresponding path program 1 times [2024-11-28 04:07:09,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:07:09,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1500654803] [2024-11-28 04:07:09,721 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:07:09,721 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 04:07:09,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_939653f4-576e-4468-9869-6f7782e212c3/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:07:09,726 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_939653f4-576e-4468-9869-6f7782e212c3/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 04:07:09,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_939653f4-576e-4468-9869-6f7782e212c3/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 04:07:10,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:07:10,042 INFO L256 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-28 04:07:10,047 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:07:10,528 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 527 proven. 48 refuted. 0 times theorem prover too weak. 437 trivial. 0 not checked. [2024-11-28 04:07:10,528 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:07:10,756 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-28 04:07:10,757 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:07:10,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1500654803] [2024-11-28 04:07:10,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1500654803] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-28 04:07:10,758 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:07:10,758 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [10] total 12 [2024-11-28 04:07:10,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1109876329] [2024-11-28 04:07:10,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:07:10,759 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 04:07:10,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:07:10,759 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 04:07:10,761 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2024-11-28 04:07:10,762 INFO L87 Difference]: Start difference. First operand 137 states and 204 transitions. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-28 04:07:11,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:07:11,032 INFO L93 Difference]: Finished difference Result 373 states and 554 transitions. [2024-11-28 04:07:11,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 04:07:11,033 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 147 [2024-11-28 04:07:11,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:07:11,036 INFO L225 Difference]: With dead ends: 373 [2024-11-28 04:07:11,036 INFO L226 Difference]: Without dead ends: 239 [2024-11-28 04:07:11,037 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 292 GetRequests, 282 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2024-11-28 04:07:11,038 INFO L435 NwaCegarLoop]: 148 mSDtfsCounter, 118 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 226 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 04:07:11,038 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 226 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 04:07:11,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2024-11-28 04:07:11,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 145. [2024-11-28 04:07:11,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 96 states have (on average 1.25) internal successors, (120), 96 states have internal predecessors, (120), 46 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-28 04:07:11,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 212 transitions. [2024-11-28 04:07:11,062 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 212 transitions. Word has length 147 [2024-11-28 04:07:11,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:07:11,063 INFO L471 AbstractCegarLoop]: Abstraction has 145 states and 212 transitions. [2024-11-28 04:07:11,063 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-28 04:07:11,063 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 212 transitions. [2024-11-28 04:07:11,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-28 04:07:11,065 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:07:11,066 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:07:11,071 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_939653f4-576e-4468-9869-6f7782e212c3/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 04:07:11,270 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_939653f4-576e-4468-9869-6f7782e212c3/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 04:07:11,270 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:07:11,271 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:07:11,271 INFO L85 PathProgramCache]: Analyzing trace with hash -1908798377, now seen corresponding path program 1 times [2024-11-28 04:07:11,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:07:11,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1121118546] [2024-11-28 04:07:11,271 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:07:11,272 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 04:07:11,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_939653f4-576e-4468-9869-6f7782e212c3/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:07:11,273 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_939653f4-576e-4468-9869-6f7782e212c3/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 04:07:11,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_939653f4-576e-4468-9869-6f7782e212c3/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 04:07:11,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:07:11,509 INFO L256 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-28 04:07:11,517 INFO L279 TraceCheckSpWp]: Computing forward predicates...