./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-65.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_4fd9e4f1-b754-4144-b6f3-719318424000/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fd9e4f1-b754-4144-b6f3-719318424000/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fd9e4f1-b754-4144-b6f3-719318424000/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fd9e4f1-b754-4144-b6f3-719318424000/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-65.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fd9e4f1-b754-4144-b6f3-719318424000/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fd9e4f1-b754-4144-b6f3-719318424000/bin/uautomizer-verify-84ZbGMXZE1 --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 b2a706fab54733b78e8edba721b68091444926b8cecca487ae9f3656a83e7950 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 13:34:23,044 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 13:34:23,100 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fd9e4f1-b754-4144-b6f3-719318424000/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-02 13:34:23,105 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 13:34:23,106 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 13:34:23,128 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 13:34:23,129 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 13:34:23,129 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 13:34:23,129 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 13:34:23,129 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 13:34:23,130 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 13:34:23,130 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 13:34:23,130 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 13:34:23,130 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 13:34:23,130 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 13:34:23,130 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 13:34:23,131 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 13:34:23,131 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 13:34:23,131 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 13:34:23,131 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 13:34:23,131 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 13:34:23,131 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 13:34:23,131 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 13:34:23,131 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 13:34:23,131 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 13:34:23,131 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 13:34:23,131 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 13:34:23,131 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 13:34:23,131 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 13:34:23,132 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 13:34:23,132 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 13:34:23,132 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 13:34:23,132 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 13:34:23,132 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 13:34:23,132 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 13:34:23,132 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 13:34:23,132 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 13:34:23,132 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 13:34:23,132 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 13:34:23,132 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 13:34:23,133 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 13:34:23,133 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 13:34:23,133 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 13:34:23,133 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 13:34:23,133 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 13:34:23,133 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 13:34:23,133 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 13:34:23,133 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 13:34:23,133 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_4fd9e4f1-b754-4144-b6f3-719318424000/bin/uautomizer-verify-84ZbGMXZE1 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 -> b2a706fab54733b78e8edba721b68091444926b8cecca487ae9f3656a83e7950 [2024-12-02 13:34:23,370 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 13:34:23,378 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 13:34:23,381 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 13:34:23,382 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 13:34:23,382 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 13:34:23,383 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fd9e4f1-b754-4144-b6f3-719318424000/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-65.i [2024-12-02 13:34:25,967 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fd9e4f1-b754-4144-b6f3-719318424000/bin/uautomizer-verify-84ZbGMXZE1/data/8c61ea0f2/ee163446ef414dc583ec1a22bf8f58da/FLAG0e81a7acd [2024-12-02 13:34:26,197 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 13:34:26,198 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fd9e4f1-b754-4144-b6f3-719318424000/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-65.i [2024-12-02 13:34:26,206 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fd9e4f1-b754-4144-b6f3-719318424000/bin/uautomizer-verify-84ZbGMXZE1/data/8c61ea0f2/ee163446ef414dc583ec1a22bf8f58da/FLAG0e81a7acd [2024-12-02 13:34:26,548 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fd9e4f1-b754-4144-b6f3-719318424000/bin/uautomizer-verify-84ZbGMXZE1/data/8c61ea0f2/ee163446ef414dc583ec1a22bf8f58da [2024-12-02 13:34:26,550 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 13:34:26,551 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 13:34:26,552 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 13:34:26,552 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 13:34:26,555 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 13:34:26,555 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:34:26" (1/1) ... [2024-12-02 13:34:26,556 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@506ef700 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:34:26, skipping insertion in model container [2024-12-02 13:34:26,556 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:34:26" (1/1) ... [2024-12-02 13:34:26,570 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 13:34:26,692 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_4fd9e4f1-b754-4144-b6f3-719318424000/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-65.i[915,928] [2024-12-02 13:34:26,741 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 13:34:26,751 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 13:34:26,761 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_4fd9e4f1-b754-4144-b6f3-719318424000/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-65.i[915,928] [2024-12-02 13:34:26,784 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 13:34:26,799 INFO L204 MainTranslator]: Completed translation [2024-12-02 13:34:26,800 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:34:26 WrapperNode [2024-12-02 13:34:26,800 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 13:34:26,801 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 13:34:26,801 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 13:34:26,801 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 13:34:26,807 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:34:26" (1/1) ... [2024-12-02 13:34:26,815 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:34:26" (1/1) ... [2024-12-02 13:34:26,840 INFO L138 Inliner]: procedures = 26, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 189 [2024-12-02 13:34:26,840 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 13:34:26,840 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 13:34:26,841 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 13:34:26,841 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 13:34:26,850 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:34:26" (1/1) ... [2024-12-02 13:34:26,850 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:34:26" (1/1) ... [2024-12-02 13:34:26,852 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:34:26" (1/1) ... [2024-12-02 13:34:26,866 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]. [2024-12-02 13:34:26,866 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:34:26" (1/1) ... [2024-12-02 13:34:26,866 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:34:26" (1/1) ... [2024-12-02 13:34:26,873 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:34:26" (1/1) ... [2024-12-02 13:34:26,874 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:34:26" (1/1) ... [2024-12-02 13:34:26,877 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:34:26" (1/1) ... [2024-12-02 13:34:26,879 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:34:26" (1/1) ... [2024-12-02 13:34:26,880 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:34:26" (1/1) ... [2024-12-02 13:34:26,883 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 13:34:26,883 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 13:34:26,884 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 13:34:26,884 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 13:34:26,884 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:34:26" (1/1) ... [2024-12-02 13:34:26,889 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 13:34:26,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fd9e4f1-b754-4144-b6f3-719318424000/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:34:26,912 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fd9e4f1-b754-4144-b6f3-719318424000/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 13:34:26,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fd9e4f1-b754-4144-b6f3-719318424000/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 13:34:26,938 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 13:34:26,938 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 13:34:26,938 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 13:34:26,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 13:34:26,939 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 13:34:26,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 13:34:27,010 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 13:34:27,012 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 13:34:27,278 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-12-02 13:34:27,278 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 13:34:27,287 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 13:34:27,287 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 13:34:27,288 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:34:27 BoogieIcfgContainer [2024-12-02 13:34:27,288 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 13:34:27,290 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 13:34:27,290 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 13:34:27,293 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 13:34:27,293 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 01:34:26" (1/3) ... [2024-12-02 13:34:27,294 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@784a3e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:34:27, skipping insertion in model container [2024-12-02 13:34:27,294 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:34:26" (2/3) ... [2024-12-02 13:34:27,294 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@784a3e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:34:27, skipping insertion in model container [2024-12-02 13:34:27,294 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:34:27" (3/3) ... [2024-12-02 13:34:27,295 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-while_file-65.i [2024-12-02 13:34:27,306 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 13:34:27,307 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_50-while_file-65.i that has 2 procedures, 77 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 13:34:27,348 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 13:34:27,357 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;@154b15db, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 13:34:27,357 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 13:34:27,360 INFO L276 IsEmpty]: Start isEmpty. Operand has 77 states, 56 states have (on average 1.4464285714285714) internal successors, (81), 57 states have internal predecessors, (81), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-12-02 13:34:27,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-12-02 13:34:27,368 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:34:27,369 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:34:27,369 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:34:27,373 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:34:27,373 INFO L85 PathProgramCache]: Analyzing trace with hash 1847055694, now seen corresponding path program 1 times [2024-12-02 13:34:27,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:34:27,379 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1981798269] [2024-12-02 13:34:27,379 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:34:27,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:34:27,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:34:27,607 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 578 trivial. 0 not checked. [2024-12-02 13:34:27,607 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:34:27,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1981798269] [2024-12-02 13:34:27,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1981798269] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 13:34:27,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1820352205] [2024-12-02 13:34:27,608 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:34:27,608 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:34:27,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fd9e4f1-b754-4144-b6f3-719318424000/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:34:27,612 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fd9e4f1-b754-4144-b6f3-719318424000/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 13:34:27,616 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fd9e4f1-b754-4144-b6f3-719318424000/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 13:34:27,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:34:27,742 INFO L256 TraceCheckSpWp]: Trace formula consists of 310 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 13:34:27,749 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:34:27,770 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 578 trivial. 0 not checked. [2024-12-02 13:34:27,771 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:34:27,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1820352205] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:34:27,771 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 13:34:27,771 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-12-02 13:34:27,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415819569] [2024-12-02 13:34:27,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:34:27,777 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 13:34:27,777 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:34:27,791 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 13:34:27,792 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 13:34:27,794 INFO L87 Difference]: Start difference. First operand has 77 states, 56 states have (on average 1.4464285714285714) internal successors, (81), 57 states have internal predecessors, (81), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-12-02 13:34:27,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:34:27,815 INFO L93 Difference]: Finished difference Result 145 states and 244 transitions. [2024-12-02 13:34:27,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 13:34:27,816 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) Word has length 122 [2024-12-02 13:34:27,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:34:27,822 INFO L225 Difference]: With dead ends: 145 [2024-12-02 13:34:27,822 INFO L226 Difference]: Without dead ends: 71 [2024-12-02 13:34:27,824 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 13:34:27,826 INFO L435 NwaCegarLoop]: 105 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, 105 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 [2024-12-02 13:34:27,827 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 13:34:27,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2024-12-02 13:34:27,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2024-12-02 13:34:27,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 51 states have (on average 1.3529411764705883) internal successors, (69), 51 states have internal predecessors, (69), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-12-02 13:34:27,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 105 transitions. [2024-12-02 13:34:27,860 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 105 transitions. Word has length 122 [2024-12-02 13:34:27,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:34:27,860 INFO L471 AbstractCegarLoop]: Abstraction has 71 states and 105 transitions. [2024-12-02 13:34:27,861 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-12-02 13:34:27,861 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 105 transitions. [2024-12-02 13:34:27,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-12-02 13:34:27,863 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:34:27,863 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:34:27,870 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fd9e4f1-b754-4144-b6f3-719318424000/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-12-02 13:34:28,064 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fd9e4f1-b754-4144-b6f3-719318424000/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-12-02 13:34:28,064 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:34:28,065 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:34:28,065 INFO L85 PathProgramCache]: Analyzing trace with hash 1324951882, now seen corresponding path program 1 times [2024-12-02 13:34:28,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:34:28,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [402371931] [2024-12-02 13:34:28,066 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:34:28,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:34:28,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:34:28,254 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-12-02 13:34:28,254 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:34:28,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [402371931] [2024-12-02 13:34:28,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [402371931] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:34:28,254 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:34:28,254 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 13:34:28,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151681094] [2024-12-02 13:34:28,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:34:28,255 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 13:34:28,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:34:28,256 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 13:34:28,256 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 13:34:28,256 INFO L87 Difference]: Start difference. First operand 71 states and 105 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 13:34:28,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:34:28,335 INFO L93 Difference]: Finished difference Result 207 states and 309 transitions. [2024-12-02 13:34:28,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 13:34:28,336 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 122 [2024-12-02 13:34:28,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:34:28,338 INFO L225 Difference]: With dead ends: 207 [2024-12-02 13:34:28,338 INFO L226 Difference]: Without dead ends: 139 [2024-12-02 13:34:28,339 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 13:34:28,340 INFO L435 NwaCegarLoop]: 180 mSDtfsCounter, 89 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 266 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 13:34:28,340 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 266 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 13:34:28,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2024-12-02 13:34:28,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 88. [2024-12-02 13:34:28,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 68 states have (on average 1.3676470588235294) internal successors, (93), 68 states have internal predecessors, (93), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-12-02 13:34:28,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 129 transitions. [2024-12-02 13:34:28,351 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 129 transitions. Word has length 122 [2024-12-02 13:34:28,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:34:28,352 INFO L471 AbstractCegarLoop]: Abstraction has 88 states and 129 transitions. [2024-12-02 13:34:28,352 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 13:34:28,352 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 129 transitions. [2024-12-02 13:34:28,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-12-02 13:34:28,354 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:34:28,354 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:34:28,354 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 13:34:28,355 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:34:28,355 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:34:28,355 INFO L85 PathProgramCache]: Analyzing trace with hash -453685000, now seen corresponding path program 1 times [2024-12-02 13:34:28,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:34:28,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1523886232] [2024-12-02 13:34:28,355 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:34:28,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:34:28,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:34:28,494 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-12-02 13:34:28,494 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:34:28,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1523886232] [2024-12-02 13:34:28,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1523886232] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:34:28,495 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:34:28,495 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 13:34:28,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167519362] [2024-12-02 13:34:28,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:34:28,495 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 13:34:28,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:34:28,496 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 13:34:28,496 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 13:34:28,496 INFO L87 Difference]: Start difference. First operand 88 states and 129 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 13:34:28,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:34:28,519 INFO L93 Difference]: Finished difference Result 154 states and 223 transitions. [2024-12-02 13:34:28,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 13:34:28,520 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 123 [2024-12-02 13:34:28,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:34:28,521 INFO L225 Difference]: With dead ends: 154 [2024-12-02 13:34:28,521 INFO L226 Difference]: Without dead ends: 69 [2024-12-02 13:34:28,521 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 13:34:28,522 INFO L435 NwaCegarLoop]: 95 mSDtfsCounter, 0 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 183 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 13:34:28,522 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 183 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 13:34:28,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2024-12-02 13:34:28,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2024-12-02 13:34:28,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 49 states have (on average 1.2244897959183674) internal successors, (60), 49 states have internal predecessors, (60), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-12-02 13:34:28,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 96 transitions. [2024-12-02 13:34:28,530 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 96 transitions. Word has length 123 [2024-12-02 13:34:28,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:34:28,530 INFO L471 AbstractCegarLoop]: Abstraction has 69 states and 96 transitions. [2024-12-02 13:34:28,530 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 13:34:28,530 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 96 transitions. [2024-12-02 13:34:28,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-02 13:34:28,532 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:34:28,532 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:34:28,532 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 13:34:28,533 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:34:28,533 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:34:28,533 INFO L85 PathProgramCache]: Analyzing trace with hash -1509199089, now seen corresponding path program 1 times [2024-12-02 13:34:28,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:34:28,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571257934] [2024-12-02 13:34:28,533 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:34:28,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:34:28,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:34:29,620 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-12-02 13:34:29,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:34:29,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [571257934] [2024-12-02 13:34:29,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [571257934] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:34:29,620 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:34:29,620 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 13:34:29,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [692761128] [2024-12-02 13:34:29,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:34:29,621 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 13:34:29,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:34:29,621 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 13:34:29,621 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-12-02 13:34:29,622 INFO L87 Difference]: Start difference. First operand 69 states and 96 transitions. Second operand has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 13:34:30,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:34:30,051 INFO L93 Difference]: Finished difference Result 170 states and 241 transitions. [2024-12-02 13:34:30,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 13:34:30,052 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 124 [2024-12-02 13:34:30,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:34:30,053 INFO L225 Difference]: With dead ends: 170 [2024-12-02 13:34:30,053 INFO L226 Difference]: Without dead ends: 104 [2024-12-02 13:34:30,054 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-12-02 13:34:30,054 INFO L435 NwaCegarLoop]: 134 mSDtfsCounter, 93 mSDsluCounter, 250 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 384 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 13:34:30,055 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 384 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 13:34:30,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2024-12-02 13:34:30,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 69. [2024-12-02 13:34:30,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 49 states have (on average 1.2040816326530612) internal successors, (59), 49 states have internal predecessors, (59), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-12-02 13:34:30,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 95 transitions. [2024-12-02 13:34:30,065 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 95 transitions. Word has length 124 [2024-12-02 13:34:30,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:34:30,065 INFO L471 AbstractCegarLoop]: Abstraction has 69 states and 95 transitions. [2024-12-02 13:34:30,066 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 13:34:30,066 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 95 transitions. [2024-12-02 13:34:30,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-12-02 13:34:30,068 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:34:30,068 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:34:30,068 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 13:34:30,068 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:34:30,068 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:34:30,069 INFO L85 PathProgramCache]: Analyzing trace with hash 1953311941, now seen corresponding path program 1 times [2024-12-02 13:34:30,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:34:30,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1115528303] [2024-12-02 13:34:30,069 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:34:30,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:34:30,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:34:30,537 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 18 proven. 33 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2024-12-02 13:34:30,537 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:34:30,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1115528303] [2024-12-02 13:34:30,537 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1115528303] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 13:34:30,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1147287944] [2024-12-02 13:34:30,537 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:34:30,537 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:34:30,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fd9e4f1-b754-4144-b6f3-719318424000/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:34:30,539 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fd9e4f1-b754-4144-b6f3-719318424000/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 13:34:30,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fd9e4f1-b754-4144-b6f3-719318424000/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 13:34:30,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:34:30,656 INFO L256 TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-12-02 13:34:30,661 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:34:30,904 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 257 proven. 81 refuted. 0 times theorem prover too weak. 274 trivial. 0 not checked. [2024-12-02 13:34:30,904 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:34:31,170 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 18 proven. 33 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2024-12-02 13:34:31,171 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1147287944] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 13:34:31,171 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 13:34:31,171 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 10 [2024-12-02 13:34:31,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1415909074] [2024-12-02 13:34:31,171 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 13:34:31,172 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-02 13:34:31,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:34:31,173 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 13:34:31,173 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-12-02 13:34:31,173 INFO L87 Difference]: Start difference. First operand 69 states and 95 transitions. Second operand has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 2 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-12-02 13:34:31,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:34:31,430 INFO L93 Difference]: Finished difference Result 154 states and 211 transitions. [2024-12-02 13:34:31,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-02 13:34:31,430 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 2 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 128 [2024-12-02 13:34:31,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:34:31,432 INFO L225 Difference]: With dead ends: 154 [2024-12-02 13:34:31,432 INFO L226 Difference]: Without dead ends: 88 [2024-12-02 13:34:31,432 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 267 GetRequests, 251 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=87, Invalid=153, Unknown=0, NotChecked=0, Total=240 [2024-12-02 13:34:31,433 INFO L435 NwaCegarLoop]: 81 mSDtfsCounter, 103 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 179 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 203 SdHoareTripleChecker+Invalid, 202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 179 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 13:34:31,434 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 203 Invalid, 202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 179 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 13:34:31,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2024-12-02 13:34:31,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 83. [2024-12-02 13:34:31,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 56 states have (on average 1.1607142857142858) internal successors, (65), 57 states have internal predecessors, (65), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 23 states have call predecessors, (24), 24 states have call successors, (24) [2024-12-02 13:34:31,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 113 transitions. [2024-12-02 13:34:31,448 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 113 transitions. Word has length 128 [2024-12-02 13:34:31,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:34:31,449 INFO L471 AbstractCegarLoop]: Abstraction has 83 states and 113 transitions. [2024-12-02 13:34:31,449 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 2 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-12-02 13:34:31,449 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 113 transitions. [2024-12-02 13:34:31,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-12-02 13:34:31,451 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:34:31,451 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:34:31,457 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fd9e4f1-b754-4144-b6f3-719318424000/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-02 13:34:31,652 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fd9e4f1-b754-4144-b6f3-719318424000/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:34:31,652 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:34:31,652 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:34:31,652 INFO L85 PathProgramCache]: Analyzing trace with hash 152622526, now seen corresponding path program 1 times [2024-12-02 13:34:31,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:34:31,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1616435006] [2024-12-02 13:34:31,653 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:34:31,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:34:31,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:34:32,516 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-12-02 13:34:32,517 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:34:32,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1616435006] [2024-12-02 13:34:32,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1616435006] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:34:32,517 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:34:32,517 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 13:34:32,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [444227483] [2024-12-02 13:34:32,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:34:32,518 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 13:34:32,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:34:32,518 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 13:34:32,518 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-12-02 13:34:32,518 INFO L87 Difference]: Start difference. First operand 83 states and 113 transitions. Second operand has 7 states, 7 states have (on average 6.0) internal successors, (42), 7 states have internal predecessors, (42), 3 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2024-12-02 13:34:32,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:34:32,864 INFO L93 Difference]: Finished difference Result 176 states and 233 transitions. [2024-12-02 13:34:32,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 13:34:32,865 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 7 states have internal predecessors, (42), 3 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 129 [2024-12-02 13:34:32,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:34:32,866 INFO L225 Difference]: With dead ends: 176 [2024-12-02 13:34:32,866 INFO L226 Difference]: Without dead ends: 106 [2024-12-02 13:34:32,866 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2024-12-02 13:34:32,867 INFO L435 NwaCegarLoop]: 112 mSDtfsCounter, 228 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 134 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 228 SdHoareTripleChecker+Valid, 172 SdHoareTripleChecker+Invalid, 278 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 134 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 13:34:32,867 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [228 Valid, 172 Invalid, 278 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [134 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 13:34:32,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2024-12-02 13:34:32,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 105. [2024-12-02 13:34:32,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 69 states have (on average 1.1159420289855073) internal successors, (77), 70 states have internal predecessors, (77), 30 states have call successors, (30), 5 states have call predecessors, (30), 5 states have return successors, (30), 29 states have call predecessors, (30), 30 states have call successors, (30) [2024-12-02 13:34:32,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 137 transitions. [2024-12-02 13:34:32,884 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 137 transitions. Word has length 129 [2024-12-02 13:34:32,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:34:32,885 INFO L471 AbstractCegarLoop]: Abstraction has 105 states and 137 transitions. [2024-12-02 13:34:32,885 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 7 states have internal predecessors, (42), 3 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2024-12-02 13:34:32,885 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 137 transitions. [2024-12-02 13:34:32,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-12-02 13:34:32,886 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:34:32,886 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:34:32,886 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 13:34:32,887 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:34:32,887 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:34:32,887 INFO L85 PathProgramCache]: Analyzing trace with hash -434183488, now seen corresponding path program 1 times [2024-12-02 13:34:32,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:34:32,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1940578600] [2024-12-02 13:34:32,887 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:34:32,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:34:32,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 13:34:32,933 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 13:34:32,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 13:34:33,024 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-12-02 13:34:33,024 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-02 13:34:33,025 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 13:34:33,026 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-12-02 13:34:33,029 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:34:33,097 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 13:34:33,100 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 01:34:33 BoogieIcfgContainer [2024-12-02 13:34:33,100 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 13:34:33,101 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 13:34:33,101 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 13:34:33,101 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 13:34:33,102 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:34:27" (3/4) ... [2024-12-02 13:34:33,104 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-02 13:34:33,104 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 13:34:33,105 INFO L158 Benchmark]: Toolchain (without parser) took 6554.13ms. Allocated memory was 142.6MB in the beginning and 335.5MB in the end (delta: 192.9MB). Free memory was 117.0MB in the beginning and 185.5MB in the end (delta: -68.5MB). Peak memory consumption was 124.6MB. Max. memory is 16.1GB. [2024-12-02 13:34:33,105 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 142.6MB. Free memory is still 82.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 13:34:33,106 INFO L158 Benchmark]: CACSL2BoogieTranslator took 248.47ms. Allocated memory is still 142.6MB. Free memory was 117.0MB in the beginning and 103.2MB in the end (delta: 13.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 13:34:33,106 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.35ms. Allocated memory is still 142.6MB. Free memory was 102.9MB in the beginning and 100.3MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 13:34:33,106 INFO L158 Benchmark]: Boogie Preprocessor took 42.41ms. Allocated memory is still 142.6MB. Free memory was 100.3MB in the beginning and 96.6MB in the end (delta: 3.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 13:34:33,106 INFO L158 Benchmark]: RCFGBuilder took 404.44ms. Allocated memory is still 142.6MB. Free memory was 96.6MB in the beginning and 75.3MB in the end (delta: 21.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-02 13:34:33,107 INFO L158 Benchmark]: TraceAbstraction took 5810.61ms. Allocated memory was 142.6MB in the beginning and 335.5MB in the end (delta: 192.9MB). Free memory was 74.8MB in the beginning and 185.6MB in the end (delta: -110.8MB). Peak memory consumption was 82.7MB. Max. memory is 16.1GB. [2024-12-02 13:34:33,107 INFO L158 Benchmark]: Witness Printer took 3.44ms. Allocated memory is still 335.5MB. Free memory was 185.6MB in the beginning and 185.5MB in the end (delta: 45.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 13:34:33,108 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 142.6MB. Free memory is still 82.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 248.47ms. Allocated memory is still 142.6MB. Free memory was 117.0MB in the beginning and 103.2MB in the end (delta: 13.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.35ms. Allocated memory is still 142.6MB. Free memory was 102.9MB in the beginning and 100.3MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 42.41ms. Allocated memory is still 142.6MB. Free memory was 100.3MB in the beginning and 96.6MB in the end (delta: 3.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 404.44ms. Allocated memory is still 142.6MB. Free memory was 96.6MB in the beginning and 75.3MB in the end (delta: 21.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 5810.61ms. Allocated memory was 142.6MB in the beginning and 335.5MB in the end (delta: 192.9MB). Free memory was 74.8MB in the beginning and 185.6MB in the end (delta: -110.8MB). Peak memory consumption was 82.7MB. Max. memory is 16.1GB. * Witness Printer took 3.44ms. Allocated memory is still 335.5MB. Free memory was 185.6MB in the beginning and 185.5MB in the end (delta: 45.2kB). 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 someBinaryArithmeticDOUBLEoperation at line 69, overapproximation of someBinaryDOUBLEComparisonOperation at line 107, overapproximation of someBinaryDOUBLEComparisonOperation at line 127, overapproximation of someBinaryDOUBLEComparisonOperation at line 105, overapproximation of someBinaryDOUBLEComparisonOperation at line 127. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = 4; [L23] unsigned short int var_1_8 = 64; [L24] unsigned short int var_1_11 = 256; [L25] unsigned short int var_1_12 = 0; [L26] unsigned short int var_1_13 = 64; [L27] unsigned char var_1_14 = 1; [L28] unsigned char var_1_15 = 0; [L29] signed char var_1_16 = 50; [L30] signed char var_1_19 = -100; [L31] double var_1_20 = 100000000.8; [L32] double var_1_21 = 15.125; [L33] double var_1_22 = 99.22; [L34] signed long int var_1_23 = -16; [L35] unsigned char var_1_24 = 1; [L36] signed char var_1_25 = 10; [L37] signed char var_1_26 = 16; [L38] unsigned char var_1_27 = 0; [L39] double var_1_28 = 5.5; [L40] signed short int last_1_var_1_1 = 4; [L41] unsigned char last_1_var_1_14 = 1; [L42] signed char last_1_var_1_16 = 50; [L43] signed long int last_1_var_1_23 = -16; [L44] unsigned char last_1_var_1_24 = 1; [L45] double last_1_var_1_28 = 5.5; VAL [isInitial=0, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=256, var_1_12=0, var_1_13=64, var_1_14=1, var_1_15=0, var_1_16=50, var_1_19=-100, var_1_1=4, var_1_20=500000004/5, var_1_21=121/8, var_1_22=4961/50, var_1_23=-16, var_1_24=1, var_1_25=10, var_1_26=16, var_1_27=0, var_1_28=11/2, var_1_8=64] [L131] isInitial = 1 [L132] FCALL initially() [L134] CALL updateLastVariables() [L119] last_1_var_1_1 = var_1_1 [L120] last_1_var_1_14 = var_1_14 [L121] last_1_var_1_16 = var_1_16 [L122] last_1_var_1_23 = var_1_23 [L123] last_1_var_1_24 = var_1_24 [L124] last_1_var_1_28 = var_1_28 VAL [isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=256, var_1_12=0, var_1_13=64, var_1_14=1, var_1_15=0, var_1_16=50, var_1_19=-100, var_1_1=4, var_1_20=500000004/5, var_1_21=121/8, var_1_22=4961/50, var_1_23=-16, var_1_24=1, var_1_25=10, var_1_26=16, var_1_27=0, var_1_28=11/2, var_1_8=64] [L134] RET updateLastVariables() [L135] CALL updateVariables() [L89] var_1_11 = __VERIFIER_nondet_ushort() [L90] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_12=0, var_1_13=64, var_1_14=1, var_1_15=0, var_1_16=50, var_1_19=-100, var_1_1=4, var_1_20=500000004/5, var_1_21=121/8, var_1_22=4961/50, var_1_23=-16, var_1_24=1, var_1_25=10, var_1_26=16, var_1_27=0, var_1_28=11/2, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_12=0, var_1_13=64, var_1_14=1, var_1_15=0, var_1_16=50, var_1_19=-100, var_1_1=4, var_1_20=500000004/5, var_1_21=121/8, var_1_22=4961/50, var_1_23=-16, var_1_24=1, var_1_25=10, var_1_26=16, var_1_27=0, var_1_28=11/2, var_1_8=64] [L90] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_12=0, var_1_13=64, var_1_14=1, var_1_15=0, var_1_16=50, var_1_19=-100, var_1_1=4, var_1_20=500000004/5, var_1_21=121/8, var_1_22=4961/50, var_1_23=-16, var_1_24=1, var_1_25=10, var_1_26=16, var_1_27=0, var_1_28=11/2, var_1_8=64] [L91] CALL assume_abort_if_not(var_1_11 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=32767, var_1_12=0, var_1_13=64, var_1_14=1, var_1_15=0, var_1_16=50, var_1_19=-100, var_1_1=4, var_1_20=500000004/5, var_1_21=121/8, var_1_22=4961/50, var_1_23=-16, var_1_24=1, var_1_25=10, var_1_26=16, var_1_27=0, var_1_28=11/2, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=32767, var_1_12=0, var_1_13=64, var_1_14=1, var_1_15=0, var_1_16=50, var_1_19=-100, var_1_1=4, var_1_20=500000004/5, var_1_21=121/8, var_1_22=4961/50, var_1_23=-16, var_1_24=1, var_1_25=10, var_1_26=16, var_1_27=0, var_1_28=11/2, var_1_8=64] [L91] RET assume_abort_if_not(var_1_11 <= 32767) VAL [isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=32767, var_1_12=0, var_1_13=64, var_1_14=1, var_1_15=0, var_1_16=50, var_1_19=-100, var_1_1=4, var_1_20=500000004/5, var_1_21=121/8, var_1_22=4961/50, var_1_23=-16, var_1_24=1, var_1_25=10, var_1_26=16, var_1_27=0, var_1_28=11/2, var_1_8=64] [L92] var_1_12 = __VERIFIER_nondet_ushort() [L93] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=32767, var_1_13=64, var_1_14=1, var_1_15=0, var_1_16=50, var_1_19=-100, var_1_1=4, var_1_20=500000004/5, var_1_21=121/8, var_1_22=4961/50, var_1_23=-16, var_1_24=1, var_1_25=10, var_1_26=16, var_1_27=0, var_1_28=11/2, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=32767, var_1_13=64, var_1_14=1, var_1_15=0, var_1_16=50, var_1_19=-100, var_1_1=4, var_1_20=500000004/5, var_1_21=121/8, var_1_22=4961/50, var_1_23=-16, var_1_24=1, var_1_25=10, var_1_26=16, var_1_27=0, var_1_28=11/2, var_1_8=64] [L93] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=32767, var_1_13=64, var_1_14=1, var_1_15=0, var_1_16=50, var_1_19=-100, var_1_1=4, var_1_20=500000004/5, var_1_21=121/8, var_1_22=4961/50, var_1_23=-16, var_1_24=1, var_1_25=10, var_1_26=16, var_1_27=0, var_1_28=11/2, var_1_8=64] [L94] CALL assume_abort_if_not(var_1_12 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=32767, var_1_12=0, var_1_13=64, var_1_14=1, var_1_15=0, var_1_16=50, var_1_19=-100, var_1_1=4, var_1_20=500000004/5, var_1_21=121/8, var_1_22=4961/50, var_1_23=-16, var_1_24=1, var_1_25=10, var_1_26=16, var_1_27=0, var_1_28=11/2, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=32767, var_1_12=0, var_1_13=64, var_1_14=1, var_1_15=0, var_1_16=50, var_1_19=-100, var_1_1=4, var_1_20=500000004/5, var_1_21=121/8, var_1_22=4961/50, var_1_23=-16, var_1_24=1, var_1_25=10, var_1_26=16, var_1_27=0, var_1_28=11/2, var_1_8=64] [L94] RET assume_abort_if_not(var_1_12 <= 32767) VAL [isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=32767, var_1_12=0, var_1_13=64, var_1_14=1, var_1_15=0, var_1_16=50, var_1_19=-100, var_1_1=4, var_1_20=500000004/5, var_1_21=121/8, var_1_22=4961/50, var_1_23=-16, var_1_24=1, var_1_25=10, var_1_26=16, var_1_27=0, var_1_28=11/2, var_1_8=64] [L95] var_1_13 = __VERIFIER_nondet_ushort() [L96] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=32767, var_1_12=0, var_1_14=1, var_1_15=0, var_1_16=50, var_1_19=-100, var_1_1=4, var_1_20=500000004/5, var_1_21=121/8, var_1_22=4961/50, var_1_23=-16, var_1_24=1, var_1_25=10, var_1_26=16, var_1_27=0, var_1_28=11/2, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=32767, var_1_12=0, var_1_14=1, var_1_15=0, var_1_16=50, var_1_19=-100, var_1_1=4, var_1_20=500000004/5, var_1_21=121/8, var_1_22=4961/50, var_1_23=-16, var_1_24=1, var_1_25=10, var_1_26=16, var_1_27=0, var_1_28=11/2, var_1_8=64] [L96] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=32767, var_1_12=0, var_1_14=1, var_1_15=0, var_1_16=50, var_1_19=-100, var_1_1=4, var_1_20=500000004/5, var_1_21=121/8, var_1_22=4961/50, var_1_23=-16, var_1_24=1, var_1_25=10, var_1_26=16, var_1_27=0, var_1_28=11/2, var_1_8=64] [L97] CALL assume_abort_if_not(var_1_13 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=32767, var_1_12=0, var_1_13=32766, var_1_14=1, var_1_15=0, var_1_16=50, var_1_19=-100, var_1_1=4, var_1_20=500000004/5, var_1_21=121/8, var_1_22=4961/50, var_1_23=-16, var_1_24=1, var_1_25=10, var_1_26=16, var_1_27=0, var_1_28=11/2, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=32767, var_1_12=0, var_1_13=32766, var_1_14=1, var_1_15=0, var_1_16=50, var_1_19=-100, var_1_1=4, var_1_20=500000004/5, var_1_21=121/8, var_1_22=4961/50, var_1_23=-16, var_1_24=1, var_1_25=10, var_1_26=16, var_1_27=0, var_1_28=11/2, var_1_8=64] [L97] RET assume_abort_if_not(var_1_13 <= 65534) VAL [isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=32767, var_1_12=0, var_1_13=32766, var_1_14=1, var_1_15=0, var_1_16=50, var_1_19=-100, var_1_1=4, var_1_20=500000004/5, var_1_21=121/8, var_1_22=4961/50, var_1_23=-16, var_1_24=1, var_1_25=10, var_1_26=16, var_1_27=0, var_1_28=11/2, var_1_8=64] [L98] var_1_15 = __VERIFIER_nondet_uchar() [L99] CALL assume_abort_if_not(var_1_15 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=32767, var_1_12=0, var_1_13=32766, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=-100, var_1_1=4, var_1_20=500000004/5, var_1_21=121/8, var_1_22=4961/50, var_1_23=-16, var_1_24=1, var_1_25=10, var_1_26=16, var_1_27=0, var_1_28=11/2, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=32767, var_1_12=0, var_1_13=32766, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=-100, var_1_1=4, var_1_20=500000004/5, var_1_21=121/8, var_1_22=4961/50, var_1_23=-16, var_1_24=1, var_1_25=10, var_1_26=16, var_1_27=0, var_1_28=11/2, var_1_8=64] [L99] RET assume_abort_if_not(var_1_15 >= 1) VAL [isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=32767, var_1_12=0, var_1_13=32766, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=-100, var_1_1=4, var_1_20=500000004/5, var_1_21=121/8, var_1_22=4961/50, var_1_23=-16, var_1_24=1, var_1_25=10, var_1_26=16, var_1_27=0, var_1_28=11/2, var_1_8=64] [L100] CALL assume_abort_if_not(var_1_15 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=32767, var_1_12=0, var_1_13=32766, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=-100, var_1_1=4, var_1_20=500000004/5, var_1_21=121/8, var_1_22=4961/50, var_1_23=-16, var_1_24=1, var_1_25=10, var_1_26=16, var_1_27=0, var_1_28=11/2, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=32767, var_1_12=0, var_1_13=32766, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=-100, var_1_1=4, var_1_20=500000004/5, var_1_21=121/8, var_1_22=4961/50, var_1_23=-16, var_1_24=1, var_1_25=10, var_1_26=16, var_1_27=0, var_1_28=11/2, var_1_8=64] [L100] RET assume_abort_if_not(var_1_15 <= 1) VAL [isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=32767, var_1_12=0, var_1_13=32766, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=-100, var_1_1=4, var_1_20=500000004/5, var_1_21=121/8, var_1_22=4961/50, var_1_23=-16, var_1_24=1, var_1_25=10, var_1_26=16, var_1_27=0, var_1_28=11/2, var_1_8=64] [L101] var_1_19 = __VERIFIER_nondet_char() [L102] CALL assume_abort_if_not(var_1_19 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=32767, var_1_12=0, var_1_13=32766, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=-127, var_1_1=4, var_1_20=500000004/5, var_1_21=121/8, var_1_22=4961/50, var_1_23=-16, var_1_24=1, var_1_25=10, var_1_26=16, var_1_27=0, var_1_28=11/2, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=32767, var_1_12=0, var_1_13=32766, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=-127, var_1_1=4, var_1_20=500000004/5, var_1_21=121/8, var_1_22=4961/50, var_1_23=-16, var_1_24=1, var_1_25=10, var_1_26=16, var_1_27=0, var_1_28=11/2, var_1_8=64] [L102] RET assume_abort_if_not(var_1_19 >= -127) VAL [isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=32767, var_1_12=0, var_1_13=32766, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=-127, var_1_1=4, var_1_20=500000004/5, var_1_21=121/8, var_1_22=4961/50, var_1_23=-16, var_1_24=1, var_1_25=10, var_1_26=16, var_1_27=0, var_1_28=11/2, var_1_8=64] [L103] CALL assume_abort_if_not(var_1_19 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=32767, var_1_12=0, var_1_13=32766, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=-127, var_1_1=4, var_1_20=500000004/5, var_1_21=121/8, var_1_22=4961/50, var_1_23=-16, var_1_24=1, var_1_25=10, var_1_26=16, var_1_27=0, var_1_28=11/2, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=32767, var_1_12=0, var_1_13=32766, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=-127, var_1_1=4, var_1_20=500000004/5, var_1_21=121/8, var_1_22=4961/50, var_1_23=-16, var_1_24=1, var_1_25=10, var_1_26=16, var_1_27=0, var_1_28=11/2, var_1_8=64] [L103] RET assume_abort_if_not(var_1_19 <= 126) VAL [isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=32767, var_1_12=0, var_1_13=32766, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=-127, var_1_1=4, var_1_20=500000004/5, var_1_21=121/8, var_1_22=4961/50, var_1_23=-16, var_1_24=1, var_1_25=10, var_1_26=16, var_1_27=0, var_1_28=11/2, var_1_8=64] [L104] var_1_21 = __VERIFIER_nondet_double() [L105] CALL assume_abort_if_not((var_1_21 >= 0.0F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854765600e+12F && var_1_21 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=32767, var_1_12=0, var_1_13=32766, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=-127, var_1_1=4, var_1_20=500000004/5, var_1_22=4961/50, var_1_23=-16, var_1_24=1, var_1_25=10, var_1_26=16, var_1_27=0, var_1_28=11/2, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=32767, var_1_12=0, var_1_13=32766, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=-127, var_1_1=4, var_1_20=500000004/5, var_1_22=4961/50, var_1_23=-16, var_1_24=1, var_1_25=10, var_1_26=16, var_1_27=0, var_1_28=11/2, var_1_8=64] [L105] RET assume_abort_if_not((var_1_21 >= 0.0F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854765600e+12F && var_1_21 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=32767, var_1_12=0, var_1_13=32766, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=-127, var_1_1=4, var_1_20=500000004/5, var_1_22=4961/50, var_1_23=-16, var_1_24=1, var_1_25=10, var_1_26=16, var_1_27=0, var_1_28=11/2, var_1_8=64] [L106] var_1_22 = __VERIFIER_nondet_double() [L107] CALL assume_abort_if_not((var_1_22 >= 0.0F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 4611686.018427382800e+12F && var_1_22 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=32767, var_1_12=0, var_1_13=32766, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=-127, var_1_1=4, var_1_20=500000004/5, var_1_23=-16, var_1_24=1, var_1_25=10, var_1_26=16, var_1_27=0, var_1_28=11/2, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=32767, var_1_12=0, var_1_13=32766, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=-127, var_1_1=4, var_1_20=500000004/5, var_1_23=-16, var_1_24=1, var_1_25=10, var_1_26=16, var_1_27=0, var_1_28=11/2, var_1_8=64] [L107] RET assume_abort_if_not((var_1_22 >= 0.0F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 4611686.018427382800e+12F && var_1_22 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=32767, var_1_12=0, var_1_13=32766, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=-127, var_1_1=4, var_1_20=500000004/5, var_1_23=-16, var_1_24=1, var_1_25=10, var_1_26=16, var_1_27=0, var_1_28=11/2, var_1_8=64] [L108] var_1_25 = __VERIFIER_nondet_char() [L109] CALL assume_abort_if_not(var_1_25 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=32767, var_1_12=0, var_1_13=32766, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=-127, var_1_1=4, var_1_20=500000004/5, var_1_23=-16, var_1_24=1, var_1_25=-1, var_1_26=16, var_1_27=0, var_1_28=11/2, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=32767, var_1_12=0, var_1_13=32766, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=-127, var_1_1=4, var_1_20=500000004/5, var_1_23=-16, var_1_24=1, var_1_25=-1, var_1_26=16, var_1_27=0, var_1_28=11/2, var_1_8=64] [L109] RET assume_abort_if_not(var_1_25 >= -1) VAL [isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=32767, var_1_12=0, var_1_13=32766, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=-127, var_1_1=4, var_1_20=500000004/5, var_1_23=-16, var_1_24=1, var_1_25=-1, var_1_26=16, var_1_27=0, var_1_28=11/2, var_1_8=64] [L110] CALL assume_abort_if_not(var_1_25 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=32767, var_1_12=0, var_1_13=32766, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=-127, var_1_1=4, var_1_20=500000004/5, var_1_23=-16, var_1_24=1, var_1_25=-1, var_1_26=16, var_1_27=0, var_1_28=11/2, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=32767, var_1_12=0, var_1_13=32766, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=-127, var_1_1=4, var_1_20=500000004/5, var_1_23=-16, var_1_24=1, var_1_25=-1, var_1_26=16, var_1_27=0, var_1_28=11/2, var_1_8=64] [L110] RET assume_abort_if_not(var_1_25 <= 127) VAL [isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=32767, var_1_12=0, var_1_13=32766, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=-127, var_1_1=4, var_1_20=500000004/5, var_1_23=-16, var_1_24=1, var_1_25=-1, var_1_26=16, var_1_27=0, var_1_28=11/2, var_1_8=64] [L111] var_1_26 = __VERIFIER_nondet_char() [L112] CALL assume_abort_if_not(var_1_26 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=32767, var_1_12=0, var_1_13=32766, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=-127, var_1_1=4, var_1_20=500000004/5, var_1_23=-16, var_1_24=1, var_1_25=-1, var_1_26=0, var_1_27=0, var_1_28=11/2, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=32767, var_1_12=0, var_1_13=32766, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=-127, var_1_1=4, var_1_20=500000004/5, var_1_23=-16, var_1_24=1, var_1_25=-1, var_1_26=0, var_1_27=0, var_1_28=11/2, var_1_8=64] [L112] RET assume_abort_if_not(var_1_26 >= 0) VAL [isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=32767, var_1_12=0, var_1_13=32766, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=-127, var_1_1=4, var_1_20=500000004/5, var_1_23=-16, var_1_24=1, var_1_25=-1, var_1_26=0, var_1_27=0, var_1_28=11/2, var_1_8=64] [L113] CALL assume_abort_if_not(var_1_26 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=32767, var_1_12=0, var_1_13=32766, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=-127, var_1_1=4, var_1_20=500000004/5, var_1_23=-16, var_1_24=1, var_1_25=-1, var_1_26=0, var_1_27=0, var_1_28=11/2, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=32767, var_1_12=0, var_1_13=32766, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=-127, var_1_1=4, var_1_20=500000004/5, var_1_23=-16, var_1_24=1, var_1_25=-1, var_1_26=0, var_1_27=0, var_1_28=11/2, var_1_8=64] [L113] RET assume_abort_if_not(var_1_26 <= 127) VAL [isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=32767, var_1_12=0, var_1_13=32766, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=-127, var_1_1=4, var_1_20=500000004/5, var_1_23=-16, var_1_24=1, var_1_25=-1, var_1_26=0, var_1_27=0, var_1_28=11/2, var_1_8=64] [L114] var_1_27 = __VERIFIER_nondet_uchar() [L115] CALL assume_abort_if_not(var_1_27 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=32767, var_1_12=0, var_1_13=32766, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=-127, var_1_1=4, var_1_20=500000004/5, var_1_23=-16, var_1_24=1, var_1_25=-1, var_1_26=0, var_1_28=11/2, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=32767, var_1_12=0, var_1_13=32766, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=-127, var_1_1=4, var_1_20=500000004/5, var_1_23=-16, var_1_24=1, var_1_25=-1, var_1_26=0, var_1_28=11/2, var_1_8=64] [L115] RET assume_abort_if_not(var_1_27 >= 0) VAL [isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=32767, var_1_12=0, var_1_13=32766, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=-127, var_1_1=4, var_1_20=500000004/5, var_1_23=-16, var_1_24=1, var_1_25=-1, var_1_26=0, var_1_28=11/2, var_1_8=64] [L116] CALL assume_abort_if_not(var_1_27 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=32767, var_1_12=0, var_1_13=32766, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=-127, var_1_1=4, var_1_20=500000004/5, var_1_23=-16, var_1_24=1, var_1_25=-1, var_1_26=0, var_1_27=0, var_1_28=11/2, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=32767, var_1_12=0, var_1_13=32766, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=-127, var_1_1=4, var_1_20=500000004/5, var_1_23=-16, var_1_24=1, var_1_25=-1, var_1_26=0, var_1_27=0, var_1_28=11/2, var_1_8=64] [L116] RET assume_abort_if_not(var_1_27 <= 0) VAL [isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=32767, var_1_12=0, var_1_13=32766, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=-127, var_1_1=4, var_1_20=500000004/5, var_1_23=-16, var_1_24=1, var_1_25=-1, var_1_26=0, var_1_27=0, var_1_28=11/2, var_1_8=64] [L135] RET updateVariables() [L136] CALL step() [L49] signed long int stepLocal_3 = last_1_var_1_23; [L50] unsigned char stepLocal_2 = ! (last_1_var_1_14 || last_1_var_1_14); VAL [isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, stepLocal_2=0, stepLocal_3=-16, var_1_11=32767, var_1_12=0, var_1_13=32766, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=-127, var_1_1=4, var_1_20=500000004/5, var_1_23=-16, var_1_24=1, var_1_25=-1, var_1_26=0, var_1_27=0, var_1_28=11/2, var_1_8=64] [L51] COND FALSE !(last_1_var_1_23 < stepLocal_3) [L62] var_1_16 = 100 VAL [isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, stepLocal_2=0, var_1_11=32767, var_1_12=0, var_1_13=32766, var_1_14=1, var_1_15=1, var_1_16=100, var_1_19=-127, var_1_1=4, var_1_20=500000004/5, var_1_23=-16, var_1_24=1, var_1_25=-1, var_1_26=0, var_1_27=0, var_1_28=11/2, var_1_8=64] [L64] EXPR ((((last_1_var_1_1) > (last_1_var_1_16)) ? (last_1_var_1_1) : (last_1_var_1_16))) | last_1_var_1_16 VAL [isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, stepLocal_2=0, var_1_11=32767, var_1_12=0, var_1_13=32766, var_1_14=1, var_1_15=1, var_1_16=100, var_1_19=-127, var_1_1=4, var_1_20=500000004/5, var_1_23=-16, var_1_24=1, var_1_25=-1, var_1_26=0, var_1_27=0, var_1_28=11/2, var_1_8=64] [L64] COND TRUE (((((last_1_var_1_1) > (last_1_var_1_16)) ? (last_1_var_1_1) : (last_1_var_1_16))) | last_1_var_1_16) >= last_1_var_1_23 [L65] var_1_23 = (5 - var_1_12) VAL [isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, stepLocal_2=0, var_1_11=32767, var_1_12=0, var_1_13=32766, var_1_14=1, var_1_15=1, var_1_16=100, var_1_19=-127, var_1_1=4, var_1_20=500000004/5, var_1_23=5, var_1_24=1, var_1_25=-1, var_1_26=0, var_1_27=0, var_1_28=11/2, var_1_8=64] [L69] var_1_20 = (var_1_21 - (var_1_22 + 1.5)) [L70] var_1_28 = var_1_21 [L71] unsigned char stepLocal_0 = var_1_23 > 4; VAL [isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, stepLocal_2=0, var_1_11=32767, var_1_12=0, var_1_13=32766, var_1_14=1, var_1_15=1, var_1_16=100, var_1_19=-127, var_1_1=4, var_1_21=100000005, var_1_23=5, var_1_24=1, var_1_25=-1, var_1_26=0, var_1_27=0, var_1_28=100000005, var_1_8=64] [L72] COND TRUE (var_1_23 <= var_1_23) || stepLocal_0 [L73] var_1_1 = (((((var_1_16 + (var_1_16 + var_1_16))) > (-100)) ? ((var_1_16 + (var_1_16 + var_1_16))) : (-100))) VAL [isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, stepLocal_2=0, var_1_11=32767, var_1_12=0, var_1_13=32766, var_1_14=1, var_1_15=1, var_1_16=100, var_1_19=-127, var_1_1=300, var_1_21=100000005, var_1_23=5, var_1_24=1, var_1_25=-1, var_1_26=0, var_1_27=0, var_1_28=100000005, var_1_8=64] [L77] var_1_24 = ((var_1_1 <= (var_1_25 - var_1_26)) && var_1_27) [L78] signed char stepLocal_1 = var_1_16; VAL [isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, stepLocal_1=100, stepLocal_2=0, var_1_11=32767, var_1_12=0, var_1_13=32766, var_1_14=1, var_1_15=1, var_1_16=100, var_1_19=-127, var_1_1=300, var_1_21=100000005, var_1_23=5, var_1_24=0, var_1_25=-1, var_1_26=0, var_1_27=0, var_1_28=100000005, var_1_8=64] [L79] EXPR var_1_16 ^ var_1_16 VAL [isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, stepLocal_1=100, stepLocal_2=0, var_1_11=32767, var_1_12=0, var_1_13=32766, var_1_14=1, var_1_15=1, var_1_16=100, var_1_19=-127, var_1_1=300, var_1_21=100000005, var_1_23=5, var_1_24=0, var_1_25=-1, var_1_26=0, var_1_27=0, var_1_28=100000005, var_1_8=64] [L79] COND TRUE stepLocal_1 > (var_1_23 + (var_1_16 ^ var_1_16)) [L80] var_1_14 = (var_1_24 || var_1_15) VAL [isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, stepLocal_2=0, var_1_11=32767, var_1_12=0, var_1_13=32766, var_1_14=1, var_1_15=1, var_1_16=100, var_1_19=-127, var_1_1=300, var_1_21=100000005, var_1_23=5, var_1_24=0, var_1_25=-1, var_1_26=0, var_1_27=0, var_1_28=100000005, var_1_8=64] [L82] COND TRUE \read(var_1_14) VAL [isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, stepLocal_2=0, var_1_11=32767, var_1_12=0, var_1_13=32766, var_1_14=1, var_1_15=1, var_1_16=100, var_1_19=-127, var_1_1=300, var_1_21=100000005, var_1_23=5, var_1_24=0, var_1_25=-1, var_1_26=0, var_1_27=0, var_1_28=100000005, var_1_8=64] [L83] COND FALSE !(\read(var_1_24)) VAL [isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, stepLocal_2=0, var_1_11=32767, var_1_12=0, var_1_13=32766, var_1_14=1, var_1_15=1, var_1_16=100, var_1_19=-127, var_1_1=300, var_1_21=100000005, var_1_23=5, var_1_24=0, var_1_25=-1, var_1_26=0, var_1_27=0, var_1_28=100000005, var_1_8=64] [L136] RET step() [L137] CALL, EXPR property() [L127] EXPR ((((var_1_23 <= var_1_23) || (var_1_23 > 4)) ? (var_1_1 == ((signed short int) (((((var_1_16 + (var_1_16 + var_1_16))) > (-100)) ? ((var_1_16 + (var_1_16 + var_1_16))) : (-100))))) : (var_1_1 == ((signed short int) var_1_16))) && (var_1_14 ? (var_1_24 ? (var_1_8 == ((unsigned short int) (((((var_1_11 + var_1_12)) > (var_1_13)) ? ((var_1_11 + var_1_12)) : (var_1_13))))) : 1) : 1)) && ((var_1_16 > (var_1_23 + (var_1_16 ^ var_1_16))) ? (var_1_14 == ((unsigned char) (var_1_24 || var_1_15))) : 1) VAL [isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=32767, var_1_12=0, var_1_13=32766, var_1_14=1, var_1_15=1, var_1_16=100, var_1_19=-127, var_1_1=300, var_1_21=100000005, var_1_23=5, var_1_24=0, var_1_25=-1, var_1_26=0, var_1_27=0, var_1_28=100000005, var_1_8=64] [L127] EXPR var_1_16 ^ var_1_16 VAL [isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=32767, var_1_12=0, var_1_13=32766, var_1_14=1, var_1_15=1, var_1_16=100, var_1_19=-127, var_1_1=300, var_1_21=100000005, var_1_23=5, var_1_24=0, var_1_25=-1, var_1_26=0, var_1_27=0, var_1_28=100000005, var_1_8=64] [L127] EXPR ((((var_1_23 <= var_1_23) || (var_1_23 > 4)) ? (var_1_1 == ((signed short int) (((((var_1_16 + (var_1_16 + var_1_16))) > (-100)) ? ((var_1_16 + (var_1_16 + var_1_16))) : (-100))))) : (var_1_1 == ((signed short int) var_1_16))) && (var_1_14 ? (var_1_24 ? (var_1_8 == ((unsigned short int) (((((var_1_11 + var_1_12)) > (var_1_13)) ? ((var_1_11 + var_1_12)) : (var_1_13))))) : 1) : 1)) && ((var_1_16 > (var_1_23 + (var_1_16 ^ var_1_16))) ? (var_1_14 == ((unsigned char) (var_1_24 || var_1_15))) : 1) VAL [isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=32767, var_1_12=0, var_1_13=32766, var_1_14=1, var_1_15=1, var_1_16=100, var_1_19=-127, var_1_1=300, var_1_21=100000005, var_1_23=5, var_1_24=0, var_1_25=-1, var_1_26=0, var_1_27=0, var_1_28=100000005, var_1_8=64] [L127] EXPR (((((((var_1_23 <= var_1_23) || (var_1_23 > 4)) ? (var_1_1 == ((signed short int) (((((var_1_16 + (var_1_16 + var_1_16))) > (-100)) ? ((var_1_16 + (var_1_16 + var_1_16))) : (-100))))) : (var_1_1 == ((signed short int) var_1_16))) && (var_1_14 ? (var_1_24 ? (var_1_8 == ((unsigned short int) (((((var_1_11 + var_1_12)) > (var_1_13)) ? ((var_1_11 + var_1_12)) : (var_1_13))))) : 1) : 1)) && ((var_1_16 > (var_1_23 + (var_1_16 ^ var_1_16))) ? (var_1_14 == ((unsigned char) (var_1_24 || var_1_15))) : 1)) && ((last_1_var_1_23 < last_1_var_1_23) ? (((! (last_1_var_1_14 || last_1_var_1_14)) && last_1_var_1_24) ? ((((((2.75f) > (((((last_1_var_1_28) < (999999.95f)) ? (last_1_var_1_28) : (999999.95f))))) ? (2.75f) : (((((last_1_var_1_28) < (999999.95f)) ? (last_1_var_1_28) : (999999.95f)))))) != last_1_var_1_28) ? (var_1_16 == ((signed char) 10)) : (var_1_16 == ((signed char) var_1_19))) : (var_1_16 == ((signed char) var_1_19))) : (var_1_16 == ((signed char) 100)))) && (var_1_20 == ((double) (var_1_21 - (var_1_22 + 1.5))))) && (((((((last_1_var_1_1) > (last_1_var_1_16)) ? (last_1_var_1_1) : (last_1_var_1_16))) | last_1_var_1_16) >= last_1_var_1_23) ? (var_1_23 == ((signed long int) (5 - var_1_12))) : (var_1_23 == ((signed long int) ((((var_1_11) > (last_1_var_1_1)) ? (var_1_11) : (last_1_var_1_1)))))) VAL [isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=32767, var_1_12=0, var_1_13=32766, var_1_14=1, var_1_15=1, var_1_16=100, var_1_19=-127, var_1_1=300, var_1_21=100000005, var_1_23=5, var_1_24=0, var_1_25=-1, var_1_26=0, var_1_27=0, var_1_28=100000005, var_1_8=64] [L127-L128] return (((((((((var_1_23 <= var_1_23) || (var_1_23 > 4)) ? (var_1_1 == ((signed short int) (((((var_1_16 + (var_1_16 + var_1_16))) > (-100)) ? ((var_1_16 + (var_1_16 + var_1_16))) : (-100))))) : (var_1_1 == ((signed short int) var_1_16))) && (var_1_14 ? (var_1_24 ? (var_1_8 == ((unsigned short int) (((((var_1_11 + var_1_12)) > (var_1_13)) ? ((var_1_11 + var_1_12)) : (var_1_13))))) : 1) : 1)) && ((var_1_16 > (var_1_23 + (var_1_16 ^ var_1_16))) ? (var_1_14 == ((unsigned char) (var_1_24 || var_1_15))) : 1)) && ((last_1_var_1_23 < last_1_var_1_23) ? (((! (last_1_var_1_14 || last_1_var_1_14)) && last_1_var_1_24) ? ((((((2.75f) > (((((last_1_var_1_28) < (999999.95f)) ? (last_1_var_1_28) : (999999.95f))))) ? (2.75f) : (((((last_1_var_1_28) < (999999.95f)) ? (last_1_var_1_28) : (999999.95f)))))) != last_1_var_1_28) ? (var_1_16 == ((signed char) 10)) : (var_1_16 == ((signed char) var_1_19))) : (var_1_16 == ((signed char) var_1_19))) : (var_1_16 == ((signed char) 100)))) && (var_1_20 == ((double) (var_1_21 - (var_1_22 + 1.5))))) && (((((((last_1_var_1_1) > (last_1_var_1_16)) ? (last_1_var_1_1) : (last_1_var_1_16))) | last_1_var_1_16) >= last_1_var_1_23) ? (var_1_23 == ((signed long int) (5 - var_1_12))) : (var_1_23 == ((signed long int) ((((var_1_11) > (last_1_var_1_1)) ? (var_1_11) : (last_1_var_1_1))))))) && (var_1_24 == ((unsigned char) ((var_1_1 <= (var_1_25 - var_1_26)) && var_1_27)))) && (var_1_28 == ((double) var_1_21)) ; [L137] RET, EXPR property() [L137] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=32767, var_1_12=0, var_1_13=32766, var_1_14=1, var_1_15=1, var_1_16=100, var_1_19=-127, var_1_1=300, var_1_21=100000005, var_1_23=5, var_1_24=0, var_1_25=-1, var_1_26=0, var_1_27=0, var_1_28=100000005, var_1_8=64] [L19] reach_error() VAL [isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=32767, var_1_12=0, var_1_13=32766, var_1_14=1, var_1_15=1, var_1_16=100, var_1_19=-127, var_1_1=300, var_1_21=100000005, var_1_23=5, var_1_24=0, var_1_25=-1, var_1_26=0, var_1_27=0, var_1_28=100000005, var_1_8=64] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 77 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.7s, OverallIterations: 7, TraceHistogramMax: 18, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 536 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 513 mSDsluCounter, 1313 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 606 mSDsCounter, 200 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 457 IncrementalHoareTripleChecker+Invalid, 657 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 200 mSolverCounterUnsat, 707 mSDtfsCounter, 457 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 420 GetRequests, 388 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=105occurred in iteration=6, InterpolantAutomatonStates: 31, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 92 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.2s InterpolantComputationTime, 1127 NumberOfCodeBlocks, 1127 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1117 ConstructedInterpolants, 0 QuantifiedInterpolants, 2768 SizeOfPredicates, 3 NumberOfNonLiveVariables, 625 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 9 InterpolantComputations, 5 PerfectInterpolantSequences, 5327/5508 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 [2024-12-02 13:34:33,124 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fd9e4f1-b754-4144-b6f3-719318424000/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fd9e4f1-b754-4144-b6f3-719318424000/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fd9e4f1-b754-4144-b6f3-719318424000/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fd9e4f1-b754-4144-b6f3-719318424000/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fd9e4f1-b754-4144-b6f3-719318424000/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-65.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fd9e4f1-b754-4144-b6f3-719318424000/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fd9e4f1-b754-4144-b6f3-719318424000/bin/uautomizer-verify-84ZbGMXZE1 --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 b2a706fab54733b78e8edba721b68091444926b8cecca487ae9f3656a83e7950 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 13:34:35,001 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 13:34:35,078 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fd9e4f1-b754-4144-b6f3-719318424000/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-12-02 13:34:35,084 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 13:34:35,084 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 13:34:35,104 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 13:34:35,105 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 13:34:35,105 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 13:34:35,106 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 13:34:35,106 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 13:34:35,106 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 13:34:35,106 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 13:34:35,106 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 13:34:35,106 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 13:34:35,106 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 13:34:35,107 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 13:34:35,107 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 13:34:35,107 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 13:34:35,107 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 13:34:35,107 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 13:34:35,107 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 13:34:35,107 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 13:34:35,107 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 13:34:35,108 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-02 13:34:35,108 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-02 13:34:35,108 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-02 13:34:35,108 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 13:34:35,108 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 13:34:35,108 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 13:34:35,108 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 13:34:35,108 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 13:34:35,108 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 13:34:35,108 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 13:34:35,109 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 13:34:35,109 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 13:34:35,109 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 13:34:35,109 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 13:34:35,109 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 13:34:35,109 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 13:34:35,109 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 13:34:35,109 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 13:34:35,109 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 13:34:35,109 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 13:34:35,110 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 13:34:35,110 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-12-02 13:34:35,110 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-02 13:34:35,110 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 13:34:35,110 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 13:34:35,110 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 13:34:35,110 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 13:34:35,110 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_4fd9e4f1-b754-4144-b6f3-719318424000/bin/uautomizer-verify-84ZbGMXZE1 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 -> b2a706fab54733b78e8edba721b68091444926b8cecca487ae9f3656a83e7950 [2024-12-02 13:34:35,333 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 13:34:35,340 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 13:34:35,343 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 13:34:35,344 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 13:34:35,344 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 13:34:35,345 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fd9e4f1-b754-4144-b6f3-719318424000/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-65.i [2024-12-02 13:34:38,037 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fd9e4f1-b754-4144-b6f3-719318424000/bin/uautomizer-verify-84ZbGMXZE1/data/487bd901e/ff7e7c03cf7d4979867427b39f7b6daa/FLAG772d75210 [2024-12-02 13:34:38,221 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 13:34:38,221 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fd9e4f1-b754-4144-b6f3-719318424000/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-65.i [2024-12-02 13:34:38,230 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fd9e4f1-b754-4144-b6f3-719318424000/bin/uautomizer-verify-84ZbGMXZE1/data/487bd901e/ff7e7c03cf7d4979867427b39f7b6daa/FLAG772d75210 [2024-12-02 13:34:38,588 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fd9e4f1-b754-4144-b6f3-719318424000/bin/uautomizer-verify-84ZbGMXZE1/data/487bd901e/ff7e7c03cf7d4979867427b39f7b6daa [2024-12-02 13:34:38,590 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 13:34:38,591 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 13:34:38,591 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 13:34:38,591 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 13:34:38,595 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 13:34:38,596 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:34:38" (1/1) ... [2024-12-02 13:34:38,597 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26569014 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:34:38, skipping insertion in model container [2024-12-02 13:34:38,597 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:34:38" (1/1) ... [2024-12-02 13:34:38,613 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 13:34:38,730 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_4fd9e4f1-b754-4144-b6f3-719318424000/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-65.i[915,928] [2024-12-02 13:34:38,776 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 13:34:38,785 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 13:34:38,792 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_4fd9e4f1-b754-4144-b6f3-719318424000/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-65.i[915,928] [2024-12-02 13:34:38,811 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 13:34:38,827 INFO L204 MainTranslator]: Completed translation [2024-12-02 13:34:38,828 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:34:38 WrapperNode [2024-12-02 13:34:38,828 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 13:34:38,829 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 13:34:38,829 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 13:34:38,829 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 13:34:38,834 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:34:38" (1/1) ... [2024-12-02 13:34:38,842 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:34:38" (1/1) ... [2024-12-02 13:34:38,864 INFO L138 Inliner]: procedures = 27, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 136 [2024-12-02 13:34:38,864 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 13:34:38,865 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 13:34:38,865 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 13:34:38,865 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 13:34:38,871 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:34:38" (1/1) ... [2024-12-02 13:34:38,872 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:34:38" (1/1) ... [2024-12-02 13:34:38,875 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:34:38" (1/1) ... [2024-12-02 13:34:38,885 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]. [2024-12-02 13:34:38,885 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:34:38" (1/1) ... [2024-12-02 13:34:38,886 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:34:38" (1/1) ... [2024-12-02 13:34:38,894 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:34:38" (1/1) ... [2024-12-02 13:34:38,895 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:34:38" (1/1) ... [2024-12-02 13:34:38,898 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:34:38" (1/1) ... [2024-12-02 13:34:38,900 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:34:38" (1/1) ... [2024-12-02 13:34:38,901 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:34:38" (1/1) ... [2024-12-02 13:34:38,904 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 13:34:38,905 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 13:34:38,905 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 13:34:38,905 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 13:34:38,906 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:34:38" (1/1) ... [2024-12-02 13:34:38,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 13:34:38,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fd9e4f1-b754-4144-b6f3-719318424000/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:34:38,931 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fd9e4f1-b754-4144-b6f3-719318424000/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 13:34:38,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fd9e4f1-b754-4144-b6f3-719318424000/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 13:34:38,952 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 13:34:38,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-12-02 13:34:38,952 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 13:34:38,952 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 13:34:38,952 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 13:34:38,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 13:34:39,018 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 13:34:39,019 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 13:34:40,273 INFO L? ?]: Removed 15 outVars from TransFormulas that were not future-live. [2024-12-02 13:34:40,274 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 13:34:40,281 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 13:34:40,282 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 13:34:40,282 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:34:40 BoogieIcfgContainer [2024-12-02 13:34:40,282 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 13:34:40,284 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 13:34:40,284 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 13:34:40,288 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 13:34:40,288 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 01:34:38" (1/3) ... [2024-12-02 13:34:40,288 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7679a2cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:34:40, skipping insertion in model container [2024-12-02 13:34:40,288 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:34:38" (2/3) ... [2024-12-02 13:34:40,289 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7679a2cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:34:40, skipping insertion in model container [2024-12-02 13:34:40,289 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:34:40" (3/3) ... [2024-12-02 13:34:40,290 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-while_file-65.i [2024-12-02 13:34:40,300 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 13:34:40,302 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_50-while_file-65.i that has 2 procedures, 57 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 13:34:40,341 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 13:34:40,350 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;@f58cd4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 13:34:40,350 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 13:34:40,354 INFO L276 IsEmpty]: Start isEmpty. Operand has 57 states, 36 states have (on average 1.3611111111111112) internal successors, (49), 37 states have internal predecessors, (49), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-12-02 13:34:40,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-12-02 13:34:40,361 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:34:40,362 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:34:40,363 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:34:40,366 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:34:40,366 INFO L85 PathProgramCache]: Analyzing trace with hash -1160894003, now seen corresponding path program 1 times [2024-12-02 13:34:40,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:34:40,375 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1821069085] [2024-12-02 13:34:40,375 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:34:40,376 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 [2024-12-02 13:34:40,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fd9e4f1-b754-4144-b6f3-719318424000/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:34:40,378 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fd9e4f1-b754-4144-b6f3-719318424000/bin/uautomizer-verify-84ZbGMXZE1/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) [2024-12-02 13:34:40,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fd9e4f1-b754-4144-b6f3-719318424000/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 13:34:40,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:34:40,653 INFO L256 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 13:34:40,659 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:34:40,691 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 322 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2024-12-02 13:34:40,691 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:34:40,692 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:34:40,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1821069085] [2024-12-02 13:34:40,693 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1821069085] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:34:40,693 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:34:40,693 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 13:34:40,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612392160] [2024-12-02 13:34:40,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:34:40,698 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 13:34:40,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:34:40,712 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 13:34:40,713 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 13:34:40,714 INFO L87 Difference]: Start difference. First operand has 57 states, 36 states have (on average 1.3611111111111112) internal successors, (49), 37 states have internal predecessors, (49), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-12-02 13:34:40,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:34:40,733 INFO L93 Difference]: Finished difference Result 107 states and 182 transitions. [2024-12-02 13:34:40,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 13:34:40,735 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 116 [2024-12-02 13:34:40,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:34:40,741 INFO L225 Difference]: With dead ends: 107 [2024-12-02 13:34:40,742 INFO L226 Difference]: Without dead ends: 53 [2024-12-02 13:34:40,744 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 13:34:40,747 INFO L435 NwaCegarLoop]: 77 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, 77 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 [2024-12-02 13:34:40,747 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 13:34:40,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2024-12-02 13:34:40,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2024-12-02 13:34:40,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 33 states have (on average 1.2424242424242424) internal successors, (41), 33 states have internal predecessors, (41), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-12-02 13:34:40,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 77 transitions. [2024-12-02 13:34:40,782 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 77 transitions. Word has length 116 [2024-12-02 13:34:40,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:34:40,782 INFO L471 AbstractCegarLoop]: Abstraction has 53 states and 77 transitions. [2024-12-02 13:34:40,782 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-12-02 13:34:40,783 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 77 transitions. [2024-12-02 13:34:40,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-12-02 13:34:40,784 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:34:40,784 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:34:40,790 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fd9e4f1-b754-4144-b6f3-719318424000/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 13:34:40,985 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fd9e4f1-b754-4144-b6f3-719318424000/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 13:34:40,985 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:34:40,986 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:34:40,986 INFO L85 PathProgramCache]: Analyzing trace with hash -464704823, now seen corresponding path program 1 times [2024-12-02 13:34:40,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:34:40,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1205214454] [2024-12-02 13:34:40,986 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:34:40,987 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 [2024-12-02 13:34:40,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fd9e4f1-b754-4144-b6f3-719318424000/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:34:40,988 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fd9e4f1-b754-4144-b6f3-719318424000/bin/uautomizer-verify-84ZbGMXZE1/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) [2024-12-02 13:34:40,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fd9e4f1-b754-4144-b6f3-719318424000/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 13:34:41,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:34:41,237 INFO L256 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 13:34:41,242 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:34:41,673 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-12-02 13:34:41,673 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:34:41,673 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:34:41,673 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1205214454] [2024-12-02 13:34:41,673 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1205214454] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:34:41,673 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:34:41,673 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 13:34:41,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856585420] [2024-12-02 13:34:41,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:34:41,675 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 13:34:41,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:34:41,676 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 13:34:41,676 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 13:34:41,676 INFO L87 Difference]: Start difference. First operand 53 states and 77 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 13:34:42,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:34:42,163 INFO L93 Difference]: Finished difference Result 153 states and 225 transitions. [2024-12-02 13:34:42,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 13:34:42,164 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 116 [2024-12-02 13:34:42,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:34:42,165 INFO L225 Difference]: With dead ends: 153 [2024-12-02 13:34:42,165 INFO L226 Difference]: Without dead ends: 103 [2024-12-02 13:34:42,166 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 13:34:42,167 INFO L435 NwaCegarLoop]: 80 mSDtfsCounter, 15 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-12-02 13:34:42,167 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 149 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-12-02 13:34:42,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2024-12-02 13:34:42,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 101. [2024-12-02 13:34:42,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 62 states have (on average 1.2419354838709677) internal successors, (77), 62 states have internal predecessors, (77), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-12-02 13:34:42,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 149 transitions. [2024-12-02 13:34:42,187 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 149 transitions. Word has length 116 [2024-12-02 13:34:42,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:34:42,188 INFO L471 AbstractCegarLoop]: Abstraction has 101 states and 149 transitions. [2024-12-02 13:34:42,188 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 13:34:42,188 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 149 transitions. [2024-12-02 13:34:42,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-12-02 13:34:42,190 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:34:42,190 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:34:42,195 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fd9e4f1-b754-4144-b6f3-719318424000/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 13:34:42,390 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fd9e4f1-b754-4144-b6f3-719318424000/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 13:34:42,391 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:34:42,391 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:34:42,391 INFO L85 PathProgramCache]: Analyzing trace with hash -521963125, now seen corresponding path program 1 times [2024-12-02 13:34:42,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:34:42,391 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1635063735] [2024-12-02 13:34:42,392 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:34:42,392 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 [2024-12-02 13:34:42,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fd9e4f1-b754-4144-b6f3-719318424000/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:34:42,393 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fd9e4f1-b754-4144-b6f3-719318424000/bin/uautomizer-verify-84ZbGMXZE1/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) [2024-12-02 13:34:42,394 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fd9e4f1-b754-4144-b6f3-719318424000/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 13:34:42,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:34:42,613 INFO L256 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-02 13:34:42,615 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:34:42,936 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 293 proven. 33 refuted. 0 times theorem prover too weak. 286 trivial. 0 not checked. [2024-12-02 13:34:42,937 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:34:43,298 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 18 proven. 33 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2024-12-02 13:34:43,299 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:34:43,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1635063735] [2024-12-02 13:34:43,299 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1635063735] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 13:34:43,299 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 13:34:43,299 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2024-12-02 13:34:43,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51641048] [2024-12-02 13:34:43,299 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 13:34:43,299 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 13:34:43,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:34:43,300 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 13:34:43,300 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-12-02 13:34:43,300 INFO L87 Difference]: Start difference. First operand 101 states and 149 transitions. Second operand has 9 states, 9 states have (on average 4.444444444444445) internal successors, (40), 9 states have internal predecessors, (40), 2 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2024-12-02 13:34:44,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:34:44,531 INFO L93 Difference]: Finished difference Result 176 states and 252 transitions. [2024-12-02 13:34:44,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-02 13:34:44,532 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.444444444444445) internal successors, (40), 9 states have internal predecessors, (40), 2 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 116 [2024-12-02 13:34:44,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:34:44,534 INFO L225 Difference]: With dead ends: 176 [2024-12-02 13:34:44,534 INFO L226 Difference]: Without dead ends: 126 [2024-12-02 13:34:44,534 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 238 GetRequests, 223 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=87, Invalid=153, Unknown=0, NotChecked=0, Total=240 [2024-12-02 13:34:44,535 INFO L435 NwaCegarLoop]: 64 mSDtfsCounter, 69 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 157 SdHoareTripleChecker+Invalid, 205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-12-02 13:34:44,535 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 157 Invalid, 205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-12-02 13:34:44,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2024-12-02 13:34:44,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 119. [2024-12-02 13:34:44,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 72 states have (on average 1.1944444444444444) internal successors, (86), 73 states have internal predecessors, (86), 42 states have call successors, (42), 4 states have call predecessors, (42), 4 states have return successors, (42), 41 states have call predecessors, (42), 42 states have call successors, (42) [2024-12-02 13:34:44,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 170 transitions. [2024-12-02 13:34:44,558 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 170 transitions. Word has length 116 [2024-12-02 13:34:44,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:34:44,559 INFO L471 AbstractCegarLoop]: Abstraction has 119 states and 170 transitions. [2024-12-02 13:34:44,559 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.444444444444445) internal successors, (40), 9 states have internal predecessors, (40), 2 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2024-12-02 13:34:44,559 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 170 transitions. [2024-12-02 13:34:44,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-12-02 13:34:44,561 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:34:44,561 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:34:44,567 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fd9e4f1-b754-4144-b6f3-719318424000/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-12-02 13:34:44,761 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fd9e4f1-b754-4144-b6f3-719318424000/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 13:34:44,761 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:34:44,762 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:34:44,762 INFO L85 PathProgramCache]: Analyzing trace with hash -1756507905, now seen corresponding path program 1 times [2024-12-02 13:34:44,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:34:44,762 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1079572422] [2024-12-02 13:34:44,762 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:34:44,762 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 [2024-12-02 13:34:44,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fd9e4f1-b754-4144-b6f3-719318424000/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:34:44,764 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fd9e4f1-b754-4144-b6f3-719318424000/bin/uautomizer-verify-84ZbGMXZE1/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) [2024-12-02 13:34:44,765 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fd9e4f1-b754-4144-b6f3-719318424000/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 13:34:44,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:34:44,967 INFO L256 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-02 13:34:44,970 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:34:45,076 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2024-12-02 13:34:45,076 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:34:45,076 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:34:45,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1079572422] [2024-12-02 13:34:45,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1079572422] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:34:45,076 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:34:45,076 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 13:34:45,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758726057] [2024-12-02 13:34:45,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:34:45,077 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 13:34:45,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:34:45,077 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 13:34:45,077 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 13:34:45,078 INFO L87 Difference]: Start difference. First operand 119 states and 170 transitions. Second operand has 6 states, 6 states have (on average 5.5) internal successors, (33), 6 states have internal predecessors, (33), 1 states have call successors, (18), 1 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 13:34:46,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:34:46,718 INFO L93 Difference]: Finished difference Result 286 states and 393 transitions. [2024-12-02 13:34:46,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-12-02 13:34:46,719 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 6 states have internal predecessors, (33), 1 states have call successors, (18), 1 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 1 states have call successors, (18) Word has length 117 [2024-12-02 13:34:46,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:34:46,721 INFO L225 Difference]: With dead ends: 286 [2024-12-02 13:34:46,721 INFO L226 Difference]: Without dead ends: 180 [2024-12-02 13:34:46,722 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2024-12-02 13:34:46,723 INFO L435 NwaCegarLoop]: 91 mSDtfsCounter, 94 mSDsluCounter, 152 mSDsCounter, 0 mSdLazyCounter, 228 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 243 SdHoareTripleChecker+Invalid, 267 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 228 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-12-02 13:34:46,723 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 243 Invalid, 267 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 228 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-12-02 13:34:46,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2024-12-02 13:34:46,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 95. [2024-12-02 13:34:46,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 55 states have (on average 1.1090909090909091) internal successors, (61), 56 states have internal predecessors, (61), 34 states have call successors, (34), 5 states have call predecessors, (34), 5 states have return successors, (34), 33 states have call predecessors, (34), 34 states have call successors, (34) [2024-12-02 13:34:46,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 129 transitions. [2024-12-02 13:34:46,745 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 129 transitions. Word has length 117 [2024-12-02 13:34:46,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:34:46,746 INFO L471 AbstractCegarLoop]: Abstraction has 95 states and 129 transitions. [2024-12-02 13:34:46,746 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 6 states have internal predecessors, (33), 1 states have call successors, (18), 1 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 13:34:46,746 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 129 transitions. [2024-12-02 13:34:46,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-12-02 13:34:46,748 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:34:46,748 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:34:46,756 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fd9e4f1-b754-4144-b6f3-719318424000/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 13:34:46,948 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fd9e4f1-b754-4144-b6f3-719318424000/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 13:34:46,948 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:34:46,949 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:34:46,949 INFO L85 PathProgramCache]: Analyzing trace with hash -1754660863, now seen corresponding path program 1 times [2024-12-02 13:34:46,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:34:46,950 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [664785389] [2024-12-02 13:34:46,950 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:34:46,950 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 [2024-12-02 13:34:46,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fd9e4f1-b754-4144-b6f3-719318424000/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:34:46,951 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fd9e4f1-b754-4144-b6f3-719318424000/bin/uautomizer-verify-84ZbGMXZE1/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) [2024-12-02 13:34:46,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fd9e4f1-b754-4144-b6f3-719318424000/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 13:34:47,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:34:47,207 INFO L256 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-12-02 13:34:47,214 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:35:21,556 WARN L286 SmtUtils]: Spent 12.58s on a formula simplification that was a NOOP. DAG size: 58 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-02 13:35:52,411 WARN L286 SmtUtils]: Spent 12.36s on a formula simplification that was a NOOP. DAG size: 64 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-02 13:36:30,302 WARN L286 SmtUtils]: Spent 15.04s on a formula simplification that was a NOOP. DAG size: 67 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)