./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-66.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_4512210f-fde6-461f-8b3b-cc53aef3b6d9/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4512210f-fde6-461f-8b3b-cc53aef3b6d9/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_4512210f-fde6-461f-8b3b-cc53aef3b6d9/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4512210f-fde6-461f-8b3b-cc53aef3b6d9/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-66.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4512210f-fde6-461f-8b3b-cc53aef3b6d9/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_4512210f-fde6-461f-8b3b-cc53aef3b6d9/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 ee1d4ab2254e09ab1c7ffa7d0c8fe840fd7239014a5c1c2ca5c976023f5a71b5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 11:09:42,481 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 11:09:42,540 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4512210f-fde6-461f-8b3b-cc53aef3b6d9/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-02 11:09:42,546 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 11:09:42,546 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 11:09:42,570 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 11:09:42,570 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 11:09:42,570 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 11:09:42,571 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 11:09:42,571 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 11:09:42,571 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 11:09:42,571 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 11:09:42,571 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 11:09:42,571 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 11:09:42,572 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 11:09:42,572 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 11:09:42,572 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 11:09:42,572 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 11:09:42,572 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 11:09:42,572 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 11:09:42,572 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 11:09:42,572 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 11:09:42,572 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 11:09:42,572 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 11:09:42,572 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 11:09:42,573 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 11:09:42,573 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 11:09:42,573 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 11:09:42,573 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 11:09:42,573 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 11:09:42,573 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 11:09:42,573 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 11:09:42,573 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 11:09:42,573 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 11:09:42,573 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 11:09:42,573 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 11:09:42,573 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 11:09:42,574 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 11:09:42,574 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 11:09:42,574 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 11:09:42,574 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 11:09:42,574 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 11:09:42,574 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 11:09:42,574 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 11:09:42,574 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 11:09:42,574 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 11:09:42,574 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 11:09:42,574 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 11:09:42,575 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_4512210f-fde6-461f-8b3b-cc53aef3b6d9/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 -> ee1d4ab2254e09ab1c7ffa7d0c8fe840fd7239014a5c1c2ca5c976023f5a71b5 [2024-12-02 11:09:42,810 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 11:09:42,819 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 11:09:42,821 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 11:09:42,822 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 11:09:42,823 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 11:09:42,824 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4512210f-fde6-461f-8b3b-cc53aef3b6d9/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-66.i [2024-12-02 11:09:45,458 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4512210f-fde6-461f-8b3b-cc53aef3b6d9/bin/uautomizer-verify-84ZbGMXZE1/data/48e13e441/56b7d838de2b4efdbd998c5e3c129e17/FLAG8dd25ee35 [2024-12-02 11:09:45,676 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 11:09:45,677 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4512210f-fde6-461f-8b3b-cc53aef3b6d9/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-66.i [2024-12-02 11:09:45,685 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4512210f-fde6-461f-8b3b-cc53aef3b6d9/bin/uautomizer-verify-84ZbGMXZE1/data/48e13e441/56b7d838de2b4efdbd998c5e3c129e17/FLAG8dd25ee35 [2024-12-02 11:09:46,019 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4512210f-fde6-461f-8b3b-cc53aef3b6d9/bin/uautomizer-verify-84ZbGMXZE1/data/48e13e441/56b7d838de2b4efdbd998c5e3c129e17 [2024-12-02 11:09:46,021 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 11:09:46,022 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 11:09:46,023 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 11:09:46,023 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 11:09:46,026 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 11:09:46,027 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:09:46" (1/1) ... [2024-12-02 11:09:46,027 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60fa0b3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:09:46, skipping insertion in model container [2024-12-02 11:09:46,027 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:09:46" (1/1) ... [2024-12-02 11:09:46,040 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 11:09:46,128 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_4512210f-fde6-461f-8b3b-cc53aef3b6d9/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-66.i[919,932] [2024-12-02 11:09:46,179 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 11:09:46,187 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 11:09:46,195 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_4512210f-fde6-461f-8b3b-cc53aef3b6d9/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-66.i[919,932] [2024-12-02 11:09:46,220 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 11:09:46,236 INFO L204 MainTranslator]: Completed translation [2024-12-02 11:09:46,236 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:09:46 WrapperNode [2024-12-02 11:09:46,236 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 11:09:46,237 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 11:09:46,238 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 11:09:46,238 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 11:09:46,243 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:09:46" (1/1) ... [2024-12-02 11:09:46,250 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:09:46" (1/1) ... [2024-12-02 11:09:46,271 INFO L138 Inliner]: procedures = 26, calls = 37, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 185 [2024-12-02 11:09:46,271 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 11:09:46,271 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 11:09:46,272 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 11:09:46,272 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 11:09:46,278 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:09:46" (1/1) ... [2024-12-02 11:09:46,278 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:09:46" (1/1) ... [2024-12-02 11:09:46,280 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:09:46" (1/1) ... [2024-12-02 11:09:46,292 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 11:09:46,293 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:09:46" (1/1) ... [2024-12-02 11:09:46,293 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:09:46" (1/1) ... [2024-12-02 11:09:46,300 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:09:46" (1/1) ... [2024-12-02 11:09:46,301 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:09:46" (1/1) ... [2024-12-02 11:09:46,304 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:09:46" (1/1) ... [2024-12-02 11:09:46,306 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:09:46" (1/1) ... [2024-12-02 11:09:46,308 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:09:46" (1/1) ... [2024-12-02 11:09:46,311 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 11:09:46,312 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 11:09:46,312 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 11:09:46,312 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 11:09:46,313 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:09:46" (1/1) ... [2024-12-02 11:09:46,318 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 11:09:46,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4512210f-fde6-461f-8b3b-cc53aef3b6d9/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:09:46,338 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4512210f-fde6-461f-8b3b-cc53aef3b6d9/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 11:09:46,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4512210f-fde6-461f-8b3b-cc53aef3b6d9/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 11:09:46,358 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 11:09:46,358 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 11:09:46,358 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 11:09:46,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 11:09:46,358 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 11:09:46,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 11:09:46,429 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 11:09:46,431 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 11:09:46,760 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-12-02 11:09:46,760 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 11:09:46,771 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 11:09:46,771 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 11:09:46,772 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:09:46 BoogieIcfgContainer [2024-12-02 11:09:46,772 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 11:09:46,774 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 11:09:46,774 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 11:09:46,779 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 11:09:46,779 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 11:09:46" (1/3) ... [2024-12-02 11:09:46,779 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b7cd4d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 11:09:46, skipping insertion in model container [2024-12-02 11:09:46,780 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:09:46" (2/3) ... [2024-12-02 11:09:46,780 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b7cd4d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 11:09:46, skipping insertion in model container [2024-12-02 11:09:46,780 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:09:46" (3/3) ... [2024-12-02 11:09:46,781 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-co_file-66.i [2024-12-02 11:09:46,797 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 11:09:46,799 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodestructure_filler-ps-co_file-66.i that has 2 procedures, 85 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 11:09:46,847 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 11:09:46,857 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;@5a811b30, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 11:09:46,857 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 11:09:46,861 INFO L276 IsEmpty]: Start isEmpty. Operand has 85 states, 58 states have (on average 1.4827586206896552) internal successors, (86), 59 states have internal predecessors, (86), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-12-02 11:09:46,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-12-02 11:09:46,871 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:09:46,872 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:09:46,872 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:09:46,875 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:09:46,876 INFO L85 PathProgramCache]: Analyzing trace with hash 1675600109, now seen corresponding path program 1 times [2024-12-02 11:09:46,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:09:46,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784842736] [2024-12-02 11:09:46,881 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:09:46,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:09:46,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:09:47,176 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 1058 trivial. 0 not checked. [2024-12-02 11:09:47,176 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:09:47,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1784842736] [2024-12-02 11:09:47,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1784842736] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 11:09:47,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [81241476] [2024-12-02 11:09:47,177 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:09:47,178 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:09:47,178 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4512210f-fde6-461f-8b3b-cc53aef3b6d9/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:09:47,180 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4512210f-fde6-461f-8b3b-cc53aef3b6d9/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 11:09:47,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4512210f-fde6-461f-8b3b-cc53aef3b6d9/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 11:09:47,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:09:47,338 INFO L256 TraceCheckSpWp]: Trace formula consists of 383 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 11:09:47,345 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:09:47,371 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 1058 trivial. 0 not checked. [2024-12-02 11:09:47,371 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 11:09:47,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [81241476] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:09:47,371 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 11:09:47,371 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-12-02 11:09:47,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [304190526] [2024-12-02 11:09:47,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:09:47,377 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 11:09:47,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:09:47,394 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 11:09:47,394 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 11:09:47,396 INFO L87 Difference]: Start difference. First operand has 85 states, 58 states have (on average 1.4827586206896552) internal successors, (86), 59 states have internal predecessors, (86), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) Second operand has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 2 states have call successors, (24) [2024-12-02 11:09:47,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:09:47,420 INFO L93 Difference]: Finished difference Result 163 states and 286 transitions. [2024-12-02 11:09:47,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 11:09:47,422 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 2 states have call successors, (24) Word has length 161 [2024-12-02 11:09:47,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:09:47,428 INFO L225 Difference]: With dead ends: 163 [2024-12-02 11:09:47,428 INFO L226 Difference]: Without dead ends: 81 [2024-12-02 11:09:47,431 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 162 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 11:09:47,434 INFO L435 NwaCegarLoop]: 127 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, 127 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 11:09:47,434 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 11:09:47,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2024-12-02 11:09:47,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2024-12-02 11:09:47,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 55 states have (on average 1.4363636363636363) internal successors, (79), 55 states have internal predecessors, (79), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-12-02 11:09:47,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 127 transitions. [2024-12-02 11:09:47,475 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 127 transitions. Word has length 161 [2024-12-02 11:09:47,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:09:47,476 INFO L471 AbstractCegarLoop]: Abstraction has 81 states and 127 transitions. [2024-12-02 11:09:47,476 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 2 states have call successors, (24) [2024-12-02 11:09:47,476 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 127 transitions. [2024-12-02 11:09:47,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-12-02 11:09:47,479 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:09:47,479 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:09:47,486 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4512210f-fde6-461f-8b3b-cc53aef3b6d9/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 11:09:47,680 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4512210f-fde6-461f-8b3b-cc53aef3b6d9/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-12-02 11:09:47,680 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:09:47,681 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:09:47,681 INFO L85 PathProgramCache]: Analyzing trace with hash 1970234289, now seen corresponding path program 1 times [2024-12-02 11:09:47,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:09:47,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1226663866] [2024-12-02 11:09:47,681 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:09:47,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:09:47,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:09:47,945 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-12-02 11:09:47,945 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:09:47,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1226663866] [2024-12-02 11:09:47,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1226663866] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:09:47,946 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:09:47,946 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 11:09:47,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616965739] [2024-12-02 11:09:47,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:09:47,947 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 11:09:47,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:09:47,948 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 11:09:47,948 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:09:47,948 INFO L87 Difference]: Start difference. First operand 81 states and 127 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-12-02 11:09:48,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:09:48,017 INFO L93 Difference]: Finished difference Result 237 states and 375 transitions. [2024-12-02 11:09:48,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 11:09:48,018 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 161 [2024-12-02 11:09:48,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:09:48,021 INFO L225 Difference]: With dead ends: 237 [2024-12-02 11:09:48,021 INFO L226 Difference]: Without dead ends: 159 [2024-12-02 11:09:48,022 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 11:09:48,022 INFO L435 NwaCegarLoop]: 134 mSDtfsCounter, 81 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 248 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 11:09:48,023 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 248 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 11:09:48,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2024-12-02 11:09:48,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 157. [2024-12-02 11:09:48,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 106 states have (on average 1.4433962264150944) internal successors, (153), 106 states have internal predecessors, (153), 48 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-12-02 11:09:48,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 249 transitions. [2024-12-02 11:09:48,050 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 249 transitions. Word has length 161 [2024-12-02 11:09:48,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:09:48,051 INFO L471 AbstractCegarLoop]: Abstraction has 157 states and 249 transitions. [2024-12-02 11:09:48,051 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-12-02 11:09:48,051 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 249 transitions. [2024-12-02 11:09:48,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-12-02 11:09:48,053 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:09:48,053 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:09:48,054 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 11:09:48,054 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:09:48,054 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:09:48,054 INFO L85 PathProgramCache]: Analyzing trace with hash -1902031181, now seen corresponding path program 1 times [2024-12-02 11:09:48,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:09:48,055 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1310019312] [2024-12-02 11:09:48,055 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:09:48,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:09:48,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:09:48,343 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-12-02 11:09:48,343 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:09:48,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1310019312] [2024-12-02 11:09:48,343 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1310019312] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:09:48,343 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:09:48,343 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 11:09:48,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647507272] [2024-12-02 11:09:48,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:09:48,344 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 11:09:48,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:09:48,345 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 11:09:48,345 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 11:09:48,345 INFO L87 Difference]: Start difference. First operand 157 states and 249 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-12-02 11:09:48,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:09:48,763 INFO L93 Difference]: Finished difference Result 562 states and 899 transitions. [2024-12-02 11:09:48,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 11:09:48,763 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 161 [2024-12-02 11:09:48,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:09:48,768 INFO L225 Difference]: With dead ends: 562 [2024-12-02 11:09:48,768 INFO L226 Difference]: Without dead ends: 408 [2024-12-02 11:09:48,769 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-02 11:09:48,770 INFO L435 NwaCegarLoop]: 213 mSDtfsCounter, 205 mSDsluCounter, 210 mSDsCounter, 0 mSdLazyCounter, 193 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 205 SdHoareTripleChecker+Valid, 423 SdHoareTripleChecker+Invalid, 196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 11:09:48,770 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [205 Valid, 423 Invalid, 196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 193 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 11:09:48,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 408 states. [2024-12-02 11:09:48,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 408 to 353. [2024-12-02 11:09:48,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 353 states, 227 states have (on average 1.3920704845814977) internal successors, (316), 227 states have internal predecessors, (316), 120 states have call successors, (120), 5 states have call predecessors, (120), 5 states have return successors, (120), 120 states have call predecessors, (120), 120 states have call successors, (120) [2024-12-02 11:09:48,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 556 transitions. [2024-12-02 11:09:48,827 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 556 transitions. Word has length 161 [2024-12-02 11:09:48,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:09:48,827 INFO L471 AbstractCegarLoop]: Abstraction has 353 states and 556 transitions. [2024-12-02 11:09:48,828 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-12-02 11:09:48,828 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 556 transitions. [2024-12-02 11:09:48,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-12-02 11:09:48,830 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:09:48,830 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:09:48,830 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 11:09:48,830 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:09:48,831 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:09:48,831 INFO L85 PathProgramCache]: Analyzing trace with hash -1642936337, now seen corresponding path program 1 times [2024-12-02 11:09:48,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:09:48,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386287649] [2024-12-02 11:09:48,831 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:09:48,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:09:48,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:09:49,188 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-12-02 11:09:49,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:09:49,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [386287649] [2024-12-02 11:09:49,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [386287649] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:09:49,189 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:09:49,189 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 11:09:49,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027329716] [2024-12-02 11:09:49,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:09:49,189 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 11:09:49,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:09:49,190 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 11:09:49,190 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:09:49,191 INFO L87 Difference]: Start difference. First operand 353 states and 556 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-12-02 11:09:49,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:09:49,303 INFO L93 Difference]: Finished difference Result 525 states and 834 transitions. [2024-12-02 11:09:49,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 11:09:49,304 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 162 [2024-12-02 11:09:49,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:09:49,307 INFO L225 Difference]: With dead ends: 525 [2024-12-02 11:09:49,307 INFO L226 Difference]: Without dead ends: 223 [2024-12-02 11:09:49,309 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 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 11:09:49,310 INFO L435 NwaCegarLoop]: 122 mSDtfsCounter, 59 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 221 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 11:09:49,310 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 221 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 11:09:49,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2024-12-02 11:09:49,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 205. [2024-12-02 11:09:49,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 205 states, 129 states have (on average 1.37984496124031) internal successors, (178), 129 states have internal predecessors, (178), 72 states have call successors, (72), 3 states have call predecessors, (72), 3 states have return successors, (72), 72 states have call predecessors, (72), 72 states have call successors, (72) [2024-12-02 11:09:49,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 322 transitions. [2024-12-02 11:09:49,353 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 322 transitions. Word has length 162 [2024-12-02 11:09:49,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:09:49,353 INFO L471 AbstractCegarLoop]: Abstraction has 205 states and 322 transitions. [2024-12-02 11:09:49,354 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-12-02 11:09:49,354 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 322 transitions. [2024-12-02 11:09:49,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-12-02 11:09:49,356 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:09:49,357 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:09:49,357 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 11:09:49,357 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:09:49,357 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:09:49,357 INFO L85 PathProgramCache]: Analyzing trace with hash -1667471603, now seen corresponding path program 1 times [2024-12-02 11:09:49,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:09:49,358 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1578013363] [2024-12-02 11:09:49,358 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:09:49,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:09:49,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:09:54,150 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-12-02 11:09:54,151 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:09:54,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1578013363] [2024-12-02 11:09:54,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1578013363] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:09:54,151 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:09:54,151 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-12-02 11:09:54,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [659612447] [2024-12-02 11:09:54,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:09:54,152 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-12-02 11:09:54,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:09:54,152 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-12-02 11:09:54,153 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2024-12-02 11:09:54,153 INFO L87 Difference]: Start difference. First operand 205 states and 322 transitions. Second operand has 15 states, 15 states have (on average 3.0) internal successors, (45), 15 states have internal predecessors, (45), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-12-02 11:09:55,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:09:55,193 INFO L93 Difference]: Finished difference Result 545 states and 831 transitions. [2024-12-02 11:09:55,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-02 11:09:55,194 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.0) internal successors, (45), 15 states have internal predecessors, (45), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 162 [2024-12-02 11:09:55,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:09:55,196 INFO L225 Difference]: With dead ends: 545 [2024-12-02 11:09:55,196 INFO L226 Difference]: Without dead ends: 391 [2024-12-02 11:09:55,197 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2024-12-02 11:09:55,198 INFO L435 NwaCegarLoop]: 113 mSDtfsCounter, 180 mSDsluCounter, 729 mSDsCounter, 0 mSdLazyCounter, 514 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 180 SdHoareTripleChecker+Valid, 842 SdHoareTripleChecker+Invalid, 521 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 514 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-12-02 11:09:55,198 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [180 Valid, 842 Invalid, 521 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 514 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-12-02 11:09:55,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 391 states. [2024-12-02 11:09:55,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 391 to 279. [2024-12-02 11:09:55,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 279 states, 193 states have (on average 1.4093264248704662) internal successors, (272), 195 states have internal predecessors, (272), 80 states have call successors, (80), 5 states have call predecessors, (80), 5 states have return successors, (80), 78 states have call predecessors, (80), 80 states have call successors, (80) [2024-12-02 11:09:55,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 432 transitions. [2024-12-02 11:09:55,229 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 432 transitions. Word has length 162 [2024-12-02 11:09:55,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:09:55,229 INFO L471 AbstractCegarLoop]: Abstraction has 279 states and 432 transitions. [2024-12-02 11:09:55,229 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.0) internal successors, (45), 15 states have internal predecessors, (45), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-12-02 11:09:55,229 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 432 transitions. [2024-12-02 11:09:55,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-12-02 11:09:55,231 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:09:55,231 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:09:55,232 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 11:09:55,232 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:09:55,232 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:09:55,233 INFO L85 PathProgramCache]: Analyzing trace with hash -1665624561, now seen corresponding path program 1 times [2024-12-02 11:09:55,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:09:55,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666051747] [2024-12-02 11:09:55,233 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:09:55,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:09:55,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:09:59,655 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-12-02 11:09:59,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:09:59,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1666051747] [2024-12-02 11:09:59,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1666051747] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:09:59,656 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:09:59,656 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-12-02 11:09:59,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255695187] [2024-12-02 11:09:59,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:09:59,656 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-12-02 11:09:59,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:09:59,657 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-12-02 11:09:59,657 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=171, Unknown=0, NotChecked=0, Total=240 [2024-12-02 11:09:59,657 INFO L87 Difference]: Start difference. First operand 279 states and 432 transitions. Second operand has 16 states, 16 states have (on average 2.8125) internal successors, (45), 16 states have internal predecessors, (45), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-12-02 11:10:00,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:10:00,997 INFO L93 Difference]: Finished difference Result 382 states and 561 transitions. [2024-12-02 11:10:00,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-02 11:10:00,998 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.8125) internal successors, (45), 16 states have internal predecessors, (45), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 162 [2024-12-02 11:10:00,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:10:01,001 INFO L225 Difference]: With dead ends: 382 [2024-12-02 11:10:01,002 INFO L226 Difference]: Without dead ends: 380 [2024-12-02 11:10:01,002 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=91, Invalid=215, Unknown=0, NotChecked=0, Total=306 [2024-12-02 11:10:01,002 INFO L435 NwaCegarLoop]: 119 mSDtfsCounter, 234 mSDsluCounter, 568 mSDsCounter, 0 mSdLazyCounter, 388 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 234 SdHoareTripleChecker+Valid, 687 SdHoareTripleChecker+Invalid, 396 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 388 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-12-02 11:10:01,003 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [234 Valid, 687 Invalid, 396 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 388 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-12-02 11:10:01,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380 states. [2024-12-02 11:10:01,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 380 to 279. [2024-12-02 11:10:01,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 279 states, 193 states have (on average 1.4093264248704662) internal successors, (272), 195 states have internal predecessors, (272), 80 states have call successors, (80), 5 states have call predecessors, (80), 5 states have return successors, (80), 78 states have call predecessors, (80), 80 states have call successors, (80) [2024-12-02 11:10:01,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 432 transitions. [2024-12-02 11:10:01,028 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 432 transitions. Word has length 162 [2024-12-02 11:10:01,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:10:01,028 INFO L471 AbstractCegarLoop]: Abstraction has 279 states and 432 transitions. [2024-12-02 11:10:01,028 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.8125) internal successors, (45), 16 states have internal predecessors, (45), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-12-02 11:10:01,029 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 432 transitions. [2024-12-02 11:10:01,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-12-02 11:10:01,030 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:10:01,030 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:10:01,031 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 11:10:01,031 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:10:01,031 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:10:01,031 INFO L85 PathProgramCache]: Analyzing trace with hash -987413233, now seen corresponding path program 1 times [2024-12-02 11:10:01,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:10:01,031 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914119441] [2024-12-02 11:10:01,031 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:10:01,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:10:01,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:10:05,855 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-12-02 11:10:05,856 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:10:05,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1914119441] [2024-12-02 11:10:05,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1914119441] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:10:05,856 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:10:05,856 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-12-02 11:10:05,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301910160] [2024-12-02 11:10:05,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:10:05,856 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-12-02 11:10:05,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:10:05,857 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-12-02 11:10:05,857 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=196, Unknown=0, NotChecked=0, Total=272 [2024-12-02 11:10:05,857 INFO L87 Difference]: Start difference. First operand 279 states and 432 transitions. Second operand has 17 states, 17 states have (on average 2.6470588235294117) internal successors, (45), 17 states have internal predecessors, (45), 3 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2024-12-02 11:10:08,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:10:08,670 INFO L93 Difference]: Finished difference Result 559 states and 843 transitions. [2024-12-02 11:10:08,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-02 11:10:08,670 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 2.6470588235294117) internal successors, (45), 17 states have internal predecessors, (45), 3 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 162 [2024-12-02 11:10:08,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:10:08,672 INFO L225 Difference]: With dead ends: 559 [2024-12-02 11:10:08,673 INFO L226 Difference]: Without dead ends: 331 [2024-12-02 11:10:08,673 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=239, Invalid=631, Unknown=0, NotChecked=0, Total=870 [2024-12-02 11:10:08,674 INFO L435 NwaCegarLoop]: 116 mSDtfsCounter, 383 mSDsluCounter, 533 mSDsCounter, 0 mSdLazyCounter, 1018 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 383 SdHoareTripleChecker+Valid, 649 SdHoareTripleChecker+Invalid, 1059 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 1018 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-12-02 11:10:08,674 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [383 Valid, 649 Invalid, 1059 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 1018 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-12-02 11:10:08,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2024-12-02 11:10:08,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 281. [2024-12-02 11:10:08,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 281 states, 195 states have (on average 1.3948717948717948) internal successors, (272), 197 states have internal predecessors, (272), 80 states have call successors, (80), 5 states have call predecessors, (80), 5 states have return successors, (80), 78 states have call predecessors, (80), 80 states have call successors, (80) [2024-12-02 11:10:08,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 432 transitions. [2024-12-02 11:10:08,701 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 432 transitions. Word has length 162 [2024-12-02 11:10:08,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:10:08,702 INFO L471 AbstractCegarLoop]: Abstraction has 281 states and 432 transitions. [2024-12-02 11:10:08,702 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 2.6470588235294117) internal successors, (45), 17 states have internal predecessors, (45), 3 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2024-12-02 11:10:08,702 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 432 transitions. [2024-12-02 11:10:08,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-12-02 11:10:08,704 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:10:08,704 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:10:08,704 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-12-02 11:10:08,704 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:10:08,705 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:10:08,705 INFO L85 PathProgramCache]: Analyzing trace with hash -985566191, now seen corresponding path program 1 times [2024-12-02 11:10:08,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:10:08,705 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1747009672] [2024-12-02 11:10:08,705 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:10:08,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:10:08,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:10:13,848 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-12-02 11:10:13,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:10:13,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1747009672] [2024-12-02 11:10:13,849 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1747009672] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:10:13,849 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:10:13,849 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-12-02 11:10:13,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540398447] [2024-12-02 11:10:13,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:10:13,849 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-12-02 11:10:13,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:10:13,850 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-12-02 11:10:13,850 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=171, Unknown=0, NotChecked=0, Total=240 [2024-12-02 11:10:13,850 INFO L87 Difference]: Start difference. First operand 281 states and 432 transitions. Second operand has 16 states, 16 states have (on average 2.8125) internal successors, (45), 16 states have internal predecessors, (45), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-12-02 11:10:15,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:10:15,090 INFO L93 Difference]: Finished difference Result 331 states and 484 transitions. [2024-12-02 11:10:15,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-02 11:10:15,090 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.8125) internal successors, (45), 16 states have internal predecessors, (45), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 162 [2024-12-02 11:10:15,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:10:15,092 INFO L225 Difference]: With dead ends: 331 [2024-12-02 11:10:15,092 INFO L226 Difference]: Without dead ends: 329 [2024-12-02 11:10:15,092 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=91, Invalid=215, Unknown=0, NotChecked=0, Total=306 [2024-12-02 11:10:15,093 INFO L435 NwaCegarLoop]: 129 mSDtfsCounter, 160 mSDsluCounter, 649 mSDsCounter, 0 mSdLazyCounter, 442 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 778 SdHoareTripleChecker+Invalid, 450 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 442 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-12-02 11:10:15,093 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 778 Invalid, 450 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 442 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-12-02 11:10:15,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2024-12-02 11:10:15,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 277. [2024-12-02 11:10:15,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 277 states, 191 states have (on average 1.3926701570680629) internal successors, (266), 193 states have internal predecessors, (266), 80 states have call successors, (80), 5 states have call predecessors, (80), 5 states have return successors, (80), 78 states have call predecessors, (80), 80 states have call successors, (80) [2024-12-02 11:10:15,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 426 transitions. [2024-12-02 11:10:15,112 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 426 transitions. Word has length 162 [2024-12-02 11:10:15,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:10:15,113 INFO L471 AbstractCegarLoop]: Abstraction has 277 states and 426 transitions. [2024-12-02 11:10:15,113 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.8125) internal successors, (45), 16 states have internal predecessors, (45), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-12-02 11:10:15,113 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 426 transitions. [2024-12-02 11:10:15,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-12-02 11:10:15,114 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:10:15,114 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:10:15,114 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-12-02 11:10:15,114 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:10:15,115 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:10:15,115 INFO L85 PathProgramCache]: Analyzing trace with hash -1409306165, now seen corresponding path program 1 times [2024-12-02 11:10:15,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:10:15,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1662274265] [2024-12-02 11:10:15,115 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:10:15,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:10:15,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:10:15,165 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-12-02 11:10:15,165 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:10:15,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1662274265] [2024-12-02 11:10:15,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1662274265] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:10:15,165 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:10:15,165 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 11:10:15,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1948395153] [2024-12-02 11:10:15,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:10:15,166 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 11:10:15,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:10:15,166 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 11:10:15,166 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:10:15,166 INFO L87 Difference]: Start difference. First operand 277 states and 426 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-12-02 11:10:15,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:10:15,233 INFO L93 Difference]: Finished difference Result 621 states and 957 transitions. [2024-12-02 11:10:15,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 11:10:15,234 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 162 [2024-12-02 11:10:15,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:10:15,238 INFO L225 Difference]: With dead ends: 621 [2024-12-02 11:10:15,238 INFO L226 Difference]: Without dead ends: 395 [2024-12-02 11:10:15,239 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 11:10:15,239 INFO L435 NwaCegarLoop]: 226 mSDtfsCounter, 108 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 335 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 11:10:15,240 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 335 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 11:10:15,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 395 states. [2024-12-02 11:10:15,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 395 to 389. [2024-12-02 11:10:15,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 389 states, 273 states have (on average 1.3333333333333333) internal successors, (364), 276 states have internal predecessors, (364), 108 states have call successors, (108), 7 states have call predecessors, (108), 7 states have return successors, (108), 105 states have call predecessors, (108), 108 states have call successors, (108) [2024-12-02 11:10:15,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 580 transitions. [2024-12-02 11:10:15,279 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 580 transitions. Word has length 162 [2024-12-02 11:10:15,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:10:15,279 INFO L471 AbstractCegarLoop]: Abstraction has 389 states and 580 transitions. [2024-12-02 11:10:15,279 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-12-02 11:10:15,279 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 580 transitions. [2024-12-02 11:10:15,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-12-02 11:10:15,280 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:10:15,280 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:10:15,280 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-12-02 11:10:15,281 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:10:15,281 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:10:15,281 INFO L85 PathProgramCache]: Analyzing trace with hash 2076314505, now seen corresponding path program 1 times [2024-12-02 11:10:15,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:10:15,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027014553] [2024-12-02 11:10:15,281 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:10:15,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:10:15,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:10:15,392 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-12-02 11:10:15,393 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:10:15,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2027014553] [2024-12-02 11:10:15,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2027014553] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:10:15,393 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:10:15,393 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 11:10:15,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848060427] [2024-12-02 11:10:15,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:10:15,393 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 11:10:15,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:10:15,394 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 11:10:15,394 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 11:10:15,394 INFO L87 Difference]: Start difference. First operand 389 states and 580 transitions. Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-12-02 11:10:15,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:10:15,659 INFO L93 Difference]: Finished difference Result 866 states and 1270 transitions. [2024-12-02 11:10:15,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 11:10:15,659 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 162 [2024-12-02 11:10:15,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:10:15,663 INFO L225 Difference]: With dead ends: 866 [2024-12-02 11:10:15,663 INFO L226 Difference]: Without dead ends: 544 [2024-12-02 11:10:15,664 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-12-02 11:10:15,665 INFO L435 NwaCegarLoop]: 133 mSDtfsCounter, 92 mSDsluCounter, 241 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 374 SdHoareTripleChecker+Invalid, 209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 11:10:15,665 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 374 Invalid, 209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 11:10:15,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 544 states. [2024-12-02 11:10:15,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 544 to 499. [2024-12-02 11:10:15,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 499 states, 352 states have (on average 1.3210227272727273) internal successors, (465), 356 states have internal predecessors, (465), 136 states have call successors, (136), 10 states have call predecessors, (136), 10 states have return successors, (136), 132 states have call predecessors, (136), 136 states have call successors, (136) [2024-12-02 11:10:15,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 499 states and 737 transitions. [2024-12-02 11:10:15,717 INFO L78 Accepts]: Start accepts. Automaton has 499 states and 737 transitions. Word has length 162 [2024-12-02 11:10:15,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:10:15,717 INFO L471 AbstractCegarLoop]: Abstraction has 499 states and 737 transitions. [2024-12-02 11:10:15,717 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-12-02 11:10:15,717 INFO L276 IsEmpty]: Start isEmpty. Operand 499 states and 737 transitions. [2024-12-02 11:10:15,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-12-02 11:10:15,719 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:10:15,719 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:10:15,719 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-12-02 11:10:15,719 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:10:15,719 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:10:15,720 INFO L85 PathProgramCache]: Analyzing trace with hash -1538594421, now seen corresponding path program 1 times [2024-12-02 11:10:15,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:10:15,720 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2015616509] [2024-12-02 11:10:15,720 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:10:15,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:10:15,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:10:17,726 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-12-02 11:10:17,726 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:10:17,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2015616509] [2024-12-02 11:10:17,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2015616509] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:10:17,726 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:10:17,726 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-12-02 11:10:17,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1571732781] [2024-12-02 11:10:17,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:10:17,727 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-12-02 11:10:17,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:10:17,727 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-12-02 11:10:17,727 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2024-12-02 11:10:17,728 INFO L87 Difference]: Start difference. First operand 499 states and 737 transitions. Second operand has 13 states, 13 states have (on average 3.4615384615384617) internal successors, (45), 13 states have internal predecessors, (45), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-12-02 11:10:18,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:10:18,523 INFO L93 Difference]: Finished difference Result 608 states and 859 transitions. [2024-12-02 11:10:18,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 11:10:18,524 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.4615384615384617) internal successors, (45), 13 states have internal predecessors, (45), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 162 [2024-12-02 11:10:18,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:10:18,526 INFO L225 Difference]: With dead ends: 608 [2024-12-02 11:10:18,526 INFO L226 Difference]: Without dead ends: 606 [2024-12-02 11:10:18,527 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=75, Invalid=135, Unknown=0, NotChecked=0, Total=210 [2024-12-02 11:10:18,528 INFO L435 NwaCegarLoop]: 131 mSDtfsCounter, 266 mSDsluCounter, 495 mSDsCounter, 0 mSdLazyCounter, 444 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 266 SdHoareTripleChecker+Valid, 626 SdHoareTripleChecker+Invalid, 476 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 444 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-12-02 11:10:18,528 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [266 Valid, 626 Invalid, 476 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 444 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-12-02 11:10:18,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 606 states. [2024-12-02 11:10:18,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 606 to 554. [2024-12-02 11:10:18,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 554 states, 396 states have (on average 1.303030303030303) internal successors, (516), 402 states have internal predecessors, (516), 144 states have call successors, (144), 13 states have call predecessors, (144), 13 states have return successors, (144), 138 states have call predecessors, (144), 144 states have call successors, (144) [2024-12-02 11:10:18,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 554 states and 804 transitions. [2024-12-02 11:10:18,568 INFO L78 Accepts]: Start accepts. Automaton has 554 states and 804 transitions. Word has length 162 [2024-12-02 11:10:18,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:10:18,568 INFO L471 AbstractCegarLoop]: Abstraction has 554 states and 804 transitions. [2024-12-02 11:10:18,568 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.4615384615384617) internal successors, (45), 13 states have internal predecessors, (45), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-12-02 11:10:18,568 INFO L276 IsEmpty]: Start isEmpty. Operand 554 states and 804 transitions. [2024-12-02 11:10:18,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-12-02 11:10:18,569 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:10:18,569 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:10:18,569 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-12-02 11:10:18,569 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:10:18,570 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:10:18,570 INFO L85 PathProgramCache]: Analyzing trace with hash -1536747379, now seen corresponding path program 1 times [2024-12-02 11:10:18,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:10:18,570 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1715393918] [2024-12-02 11:10:18,570 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:10:18,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:10:18,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:10:21,502 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-12-02 11:10:21,502 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:10:21,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1715393918] [2024-12-02 11:10:21,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1715393918] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:10:21,502 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:10:21,502 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-12-02 11:10:21,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1828489864] [2024-12-02 11:10:21,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:10:21,503 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-12-02 11:10:21,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:10:21,503 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-12-02 11:10:21,503 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=98, Unknown=0, NotChecked=0, Total=156 [2024-12-02 11:10:21,503 INFO L87 Difference]: Start difference. First operand 554 states and 804 transitions. Second operand has 13 states, 13 states have (on average 3.4615384615384617) internal successors, (45), 13 states have internal predecessors, (45), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-12-02 11:10:22,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:10:22,838 INFO L93 Difference]: Finished difference Result 606 states and 857 transitions. [2024-12-02 11:10:22,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 11:10:22,839 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.4615384615384617) internal successors, (45), 13 states have internal predecessors, (45), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 162 [2024-12-02 11:10:22,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:10:22,842 INFO L225 Difference]: With dead ends: 606 [2024-12-02 11:10:22,842 INFO L226 Difference]: Without dead ends: 604 [2024-12-02 11:10:22,842 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=80, Invalid=130, Unknown=0, NotChecked=0, Total=210 [2024-12-02 11:10:22,842 INFO L435 NwaCegarLoop]: 149 mSDtfsCounter, 194 mSDsluCounter, 572 mSDsCounter, 0 mSdLazyCounter, 558 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 721 SdHoareTripleChecker+Invalid, 562 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 558 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-12-02 11:10:22,842 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [194 Valid, 721 Invalid, 562 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 558 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-12-02 11:10:22,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 604 states. [2024-12-02 11:10:22,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 604 to 554. [2024-12-02 11:10:22,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 554 states, 396 states have (on average 1.303030303030303) internal successors, (516), 402 states have internal predecessors, (516), 144 states have call successors, (144), 13 states have call predecessors, (144), 13 states have return successors, (144), 138 states have call predecessors, (144), 144 states have call successors, (144) [2024-12-02 11:10:22,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 554 states and 804 transitions. [2024-12-02 11:10:22,879 INFO L78 Accepts]: Start accepts. Automaton has 554 states and 804 transitions. Word has length 162 [2024-12-02 11:10:22,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:10:22,880 INFO L471 AbstractCegarLoop]: Abstraction has 554 states and 804 transitions. [2024-12-02 11:10:22,880 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.4615384615384617) internal successors, (45), 13 states have internal predecessors, (45), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-12-02 11:10:22,880 INFO L276 IsEmpty]: Start isEmpty. Operand 554 states and 804 transitions. [2024-12-02 11:10:22,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-12-02 11:10:22,881 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:10:22,881 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:10:22,881 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-12-02 11:10:22,882 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:10:22,882 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:10:22,882 INFO L85 PathProgramCache]: Analyzing trace with hash -1030808172, now seen corresponding path program 1 times [2024-12-02 11:10:22,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:10:22,882 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1505149794] [2024-12-02 11:10:22,882 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:10:22,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:10:22,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:10:22,998 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 57 proven. 12 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2024-12-02 11:10:22,998 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:10:22,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1505149794] [2024-12-02 11:10:22,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1505149794] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 11:10:22,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [768131628] [2024-12-02 11:10:22,998 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:10:22,998 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:10:22,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4512210f-fde6-461f-8b3b-cc53aef3b6d9/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:10:23,000 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4512210f-fde6-461f-8b3b-cc53aef3b6d9/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 11:10:23,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4512210f-fde6-461f-8b3b-cc53aef3b6d9/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 11:10:23,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:10:23,095 INFO L256 TraceCheckSpWp]: Trace formula consists of 387 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-02 11:10:23,100 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:10:23,336 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 365 proven. 12 refuted. 0 times theorem prover too weak. 727 trivial. 0 not checked. [2024-12-02 11:10:23,336 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 11:10:23,581 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 57 proven. 12 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2024-12-02 11:10:23,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [768131628] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 11:10:23,582 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 11:10:23,582 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 6] total 13 [2024-12-02 11:10:23,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313577854] [2024-12-02 11:10:23,582 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 11:10:23,583 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-12-02 11:10:23,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:10:23,583 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-12-02 11:10:23,583 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-12-02 11:10:23,584 INFO L87 Difference]: Start difference. First operand 554 states and 804 transitions. Second operand has 13 states, 13 states have (on average 7.153846153846154) internal successors, (93), 13 states have internal predecessors, (93), 5 states have call successors, (72), 3 states have call predecessors, (72), 6 states have return successors, (72), 5 states have call predecessors, (72), 5 states have call successors, (72) [2024-12-02 11:10:24,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:10:24,268 INFO L93 Difference]: Finished difference Result 1480 states and 2126 transitions. [2024-12-02 11:10:24,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-12-02 11:10:24,269 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 7.153846153846154) internal successors, (93), 13 states have internal predecessors, (93), 5 states have call successors, (72), 3 states have call predecessors, (72), 6 states have return successors, (72), 5 states have call predecessors, (72), 5 states have call successors, (72) Word has length 163 [2024-12-02 11:10:24,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:10:24,274 INFO L225 Difference]: With dead ends: 1480 [2024-12-02 11:10:24,274 INFO L226 Difference]: Without dead ends: 986 [2024-12-02 11:10:24,276 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 346 GetRequests, 320 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 182 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=228, Invalid=528, Unknown=0, NotChecked=0, Total=756 [2024-12-02 11:10:24,277 INFO L435 NwaCegarLoop]: 86 mSDtfsCounter, 297 mSDsluCounter, 519 mSDsCounter, 0 mSdLazyCounter, 635 mSolverCounterSat, 119 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 316 SdHoareTripleChecker+Valid, 605 SdHoareTripleChecker+Invalid, 754 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 119 IncrementalHoareTripleChecker+Valid, 635 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-12-02 11:10:24,277 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [316 Valid, 605 Invalid, 754 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [119 Valid, 635 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-12-02 11:10:24,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 986 states. [2024-12-02 11:10:24,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 986 to 864. [2024-12-02 11:10:24,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 864 states, 608 states have (on average 1.268092105263158) internal successors, (771), 622 states have internal predecessors, (771), 232 states have call successors, (232), 23 states have call predecessors, (232), 23 states have return successors, (232), 218 states have call predecessors, (232), 232 states have call successors, (232) [2024-12-02 11:10:24,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 864 states to 864 states and 1235 transitions. [2024-12-02 11:10:24,376 INFO L78 Accepts]: Start accepts. Automaton has 864 states and 1235 transitions. Word has length 163 [2024-12-02 11:10:24,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:10:24,376 INFO L471 AbstractCegarLoop]: Abstraction has 864 states and 1235 transitions. [2024-12-02 11:10:24,376 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 7.153846153846154) internal successors, (93), 13 states have internal predecessors, (93), 5 states have call successors, (72), 3 states have call predecessors, (72), 6 states have return successors, (72), 5 states have call predecessors, (72), 5 states have call successors, (72) [2024-12-02 11:10:24,377 INFO L276 IsEmpty]: Start isEmpty. Operand 864 states and 1235 transitions. [2024-12-02 11:10:24,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-12-02 11:10:24,378 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:10:24,378 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:10:24,387 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4512210f-fde6-461f-8b3b-cc53aef3b6d9/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-12-02 11:10:24,578 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4512210f-fde6-461f-8b3b-cc53aef3b6d9/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-12-02 11:10:24,578 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:10:24,578 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:10:24,579 INFO L85 PathProgramCache]: Analyzing trace with hash 642456483, now seen corresponding path program 1 times [2024-12-02 11:10:24,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:10:24,579 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816009760] [2024-12-02 11:10:24,579 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:10:24,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:10:24,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-02 11:10:24,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [966854267] [2024-12-02 11:10:24,626 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:10:24,626 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:10:24,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4512210f-fde6-461f-8b3b-cc53aef3b6d9/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:10:24,627 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4512210f-fde6-461f-8b3b-cc53aef3b6d9/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 11:10:24,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4512210f-fde6-461f-8b3b-cc53aef3b6d9/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-12-02 11:10:24,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:10:24,745 INFO L256 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-12-02 11:10:24,749 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:10:26,172 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 625 proven. 132 refuted. 0 times theorem prover too weak. 347 trivial. 0 not checked. [2024-12-02 11:10:26,172 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 11:10:44,041 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:10:44,042 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [816009760] [2024-12-02 11:10:44,042 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-12-02 11:10:44,042 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [966854267] [2024-12-02 11:10:44,042 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [966854267] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 11:10:44,042 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-12-02 11:10:44,042 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2024-12-02 11:10:44,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1483008295] [2024-12-02 11:10:44,043 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-12-02 11:10:44,043 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-12-02 11:10:44,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:10:44,044 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-12-02 11:10:44,044 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=268, Unknown=1, NotChecked=0, Total=342 [2024-12-02 11:10:44,045 INFO L87 Difference]: Start difference. First operand 864 states and 1235 transitions. Second operand has 15 states, 15 states have (on average 4.533333333333333) internal successors, (68), 15 states have internal predecessors, (68), 5 states have call successors, (24), 5 states have call predecessors, (24), 8 states have return successors, (24), 5 states have call predecessors, (24), 5 states have call successors, (24) [2024-12-02 11:10:46,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:10:46,788 INFO L93 Difference]: Finished difference Result 1460 states and 1940 transitions. [2024-12-02 11:10:46,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-12-02 11:10:46,789 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 4.533333333333333) internal successors, (68), 15 states have internal predecessors, (68), 5 states have call successors, (24), 5 states have call predecessors, (24), 8 states have return successors, (24), 5 states have call predecessors, (24), 5 states have call successors, (24) Word has length 164 [2024-12-02 11:10:46,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:10:46,793 INFO L225 Difference]: With dead ends: 1460 [2024-12-02 11:10:46,793 INFO L226 Difference]: Without dead ends: 1189 [2024-12-02 11:10:46,794 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 212 GetRequests, 177 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 278 ImplicationChecksByTransitivity, 6.4s TimeCoverageRelationStatistics Valid=301, Invalid=1030, Unknown=1, NotChecked=0, Total=1332 [2024-12-02 11:10:46,795 INFO L435 NwaCegarLoop]: 103 mSDtfsCounter, 156 mSDsluCounter, 408 mSDsCounter, 0 mSdLazyCounter, 569 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 511 SdHoareTripleChecker+Invalid, 617 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 569 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-12-02 11:10:46,795 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [165 Valid, 511 Invalid, 617 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 569 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-12-02 11:10:46,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1189 states. [2024-12-02 11:10:46,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1189 to 1026. [2024-12-02 11:10:46,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1026 states, 725 states have (on average 1.2165517241379311) internal successors, (882), 739 states have internal predecessors, (882), 236 states have call successors, (236), 64 states have call predecessors, (236), 64 states have return successors, (236), 222 states have call predecessors, (236), 236 states have call successors, (236) [2024-12-02 11:10:46,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1026 states to 1026 states and 1354 transitions. [2024-12-02 11:10:46,900 INFO L78 Accepts]: Start accepts. Automaton has 1026 states and 1354 transitions. Word has length 164 [2024-12-02 11:10:46,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:10:46,900 INFO L471 AbstractCegarLoop]: Abstraction has 1026 states and 1354 transitions. [2024-12-02 11:10:46,901 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 4.533333333333333) internal successors, (68), 15 states have internal predecessors, (68), 5 states have call successors, (24), 5 states have call predecessors, (24), 8 states have return successors, (24), 5 states have call predecessors, (24), 5 states have call successors, (24) [2024-12-02 11:10:46,901 INFO L276 IsEmpty]: Start isEmpty. Operand 1026 states and 1354 transitions. [2024-12-02 11:10:46,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-12-02 11:10:46,902 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:10:46,902 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:10:46,908 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4512210f-fde6-461f-8b3b-cc53aef3b6d9/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-12-02 11:10:47,102 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4512210f-fde6-461f-8b3b-cc53aef3b6d9/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-12-02 11:10:47,103 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:10:47,103 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:10:47,103 INFO L85 PathProgramCache]: Analyzing trace with hash 644303525, now seen corresponding path program 1 times [2024-12-02 11:10:47,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:10:47,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [745329226] [2024-12-02 11:10:47,103 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:10:47,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:10:47,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-02 11:10:47,149 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1972480111] [2024-12-02 11:10:47,149 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:10:47,149 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:10:47,149 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4512210f-fde6-461f-8b3b-cc53aef3b6d9/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:10:47,151 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4512210f-fde6-461f-8b3b-cc53aef3b6d9/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 11:10:47,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4512210f-fde6-461f-8b3b-cc53aef3b6d9/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-12-02 11:10:47,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 11:10:47,297 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 11:10:47,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 11:10:47,459 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-12-02 11:10:47,459 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-02 11:10:47,460 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 11:10:47,472 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4512210f-fde6-461f-8b3b-cc53aef3b6d9/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-12-02 11:10:47,662 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4512210f-fde6-461f-8b3b-cc53aef3b6d9/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-12-02 11:10:47,665 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:10:47,754 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 11:10:47,756 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 11:10:47 BoogieIcfgContainer [2024-12-02 11:10:47,757 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 11:10:47,757 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 11:10:47,757 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 11:10:47,757 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 11:10:47,758 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:09:46" (3/4) ... [2024-12-02 11:10:47,760 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-02 11:10:47,761 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 11:10:47,762 INFO L158 Benchmark]: Toolchain (without parser) took 61739.41ms. Allocated memory was 142.6MB in the beginning and 167.8MB in the end (delta: 25.2MB). Free memory was 117.6MB in the beginning and 79.2MB in the end (delta: 38.4MB). Peak memory consumption was 59.8MB. Max. memory is 16.1GB. [2024-12-02 11:10:47,762 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 142.6MB. Free memory is still 82.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 11:10:47,762 INFO L158 Benchmark]: CACSL2BoogieTranslator took 213.77ms. Allocated memory is still 142.6MB. Free memory was 117.6MB in the beginning and 102.7MB in the end (delta: 14.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 11:10:47,762 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.71ms. Allocated memory is still 142.6MB. Free memory was 102.7MB in the beginning and 99.5MB in the end (delta: 3.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 11:10:47,763 INFO L158 Benchmark]: Boogie Preprocessor took 39.55ms. Allocated memory is still 142.6MB. Free memory was 99.5MB in the beginning and 94.9MB in the end (delta: 4.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 11:10:47,763 INFO L158 Benchmark]: RCFGBuilder took 460.26ms. Allocated memory is still 142.6MB. Free memory was 94.9MB in the beginning and 71.2MB in the end (delta: 23.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 11:10:47,763 INFO L158 Benchmark]: TraceAbstraction took 60982.57ms. Allocated memory was 142.6MB in the beginning and 167.8MB in the end (delta: 25.2MB). Free memory was 70.4MB in the beginning and 79.2MB in the end (delta: -8.8MB). Peak memory consumption was 17.8MB. Max. memory is 16.1GB. [2024-12-02 11:10:47,763 INFO L158 Benchmark]: Witness Printer took 3.86ms. Allocated memory is still 167.8MB. Free memory was 79.2MB in the beginning and 79.2MB in the end (delta: 21.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 11:10:47,765 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 142.6MB. Free memory is still 82.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 213.77ms. Allocated memory is still 142.6MB. Free memory was 117.6MB in the beginning and 102.7MB in the end (delta: 14.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.71ms. Allocated memory is still 142.6MB. Free memory was 102.7MB in the beginning and 99.5MB in the end (delta: 3.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 39.55ms. Allocated memory is still 142.6MB. Free memory was 99.5MB in the beginning and 94.9MB in the end (delta: 4.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 460.26ms. Allocated memory is still 142.6MB. Free memory was 94.9MB in the beginning and 71.2MB in the end (delta: 23.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 60982.57ms. Allocated memory was 142.6MB in the beginning and 167.8MB in the end (delta: 25.2MB). Free memory was 70.4MB in the beginning and 79.2MB in the end (delta: -8.8MB). Peak memory consumption was 17.8MB. Max. memory is 16.1GB. * Witness Printer took 3.86ms. Allocated memory is still 167.8MB. Free memory was 79.2MB in the beginning and 79.2MB in the end (delta: 21.6kB). 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 someUnaryDOUBLEoperation at line 81, overapproximation of someBinaryDOUBLEComparisonOperation at line 176, overapproximation of someBinaryDOUBLEComparisonOperation at line 182, overapproximation of someBinaryDOUBLEComparisonOperation at line 174, overapproximation of someBinaryDOUBLEComparisonOperation at line 81. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed char var_1_1 = 50; [L23] signed char var_1_3 = 8; [L24] signed char var_1_4 = 10; [L25] double var_1_5 = 16.5; [L26] signed char var_1_6 = 64; [L27] signed char var_1_7 = 2; [L28] unsigned short int var_1_8 = 256; [L29] unsigned short int var_1_10 = 63583; [L30] unsigned short int var_1_11 = 33789; [L31] unsigned char var_1_12 = 1; [L32] unsigned char var_1_14 = 0; [L33] signed long int var_1_15 = 8; [L34] signed short int var_1_16 = -16; [L35] signed short int var_1_18 = 16; [L36] signed short int var_1_19 = 25; [L37] signed short int var_1_20 = 25; [L38] signed short int var_1_21 = 50; [L39] signed long int var_1_22 = -8; [L40] unsigned long int var_1_26 = 10; [L41] signed long int var_1_28 = -10000; [L42] signed long int var_1_29 = -1263929197; [L43] signed short int var_1_31 = 1; [L44] unsigned char var_1_36 = 32; [L45] unsigned char var_1_38 = 2; [L46] double var_1_39 = 3.6; [L47] double var_1_40 = 24.25; [L48] double var_1_41 = 31.25; [L49] unsigned long int var_1_42 = 10; [L50] unsigned char last_1_var_1_12 = 1; VAL [isInitial=0, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=8, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=10, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256] [L186] isInitial = 1 [L187] FCALL initially() [L189] CALL updateLastVariables() [L179] last_1_var_1_12 = var_1_12 VAL [isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=8, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=10, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256] [L189] RET updateLastVariables() [L190] CALL updateVariables() [L140] var_1_3 = __VERIFIER_nondet_char() [L141] CALL assume_abort_if_not(var_1_3 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=-63, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=10, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=-63, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=10, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256] [L141] RET assume_abort_if_not(var_1_3 >= -63) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=-63, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=10, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256] [L142] CALL assume_abort_if_not(var_1_3 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=-63, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=10, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=-63, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=10, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256] [L142] RET assume_abort_if_not(var_1_3 <= 63) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=-63, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=10, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256] [L143] var_1_4 = __VERIFIER_nondet_char() [L144] CALL assume_abort_if_not(var_1_4 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=-63, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=61, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=-63, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=61, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256] [L144] RET assume_abort_if_not(var_1_4 >= -63) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=-63, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=61, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256] [L145] CALL assume_abort_if_not(var_1_4 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=-63, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=61, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=-63, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=61, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256] [L145] RET assume_abort_if_not(var_1_4 <= 63) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=-63, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=61, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256] [L146] var_1_6 = __VERIFIER_nondet_char() [L147] CALL assume_abort_if_not(var_1_6 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=-63, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=61, var_1_5=33/2, var_1_6=-1, var_1_7=2, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=-63, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=61, var_1_5=33/2, var_1_6=-1, var_1_7=2, var_1_8=256] [L147] RET assume_abort_if_not(var_1_6 >= -1) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=-63, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=61, var_1_5=33/2, var_1_6=-1, var_1_7=2, var_1_8=256] [L148] CALL assume_abort_if_not(var_1_6 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=-63, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=61, var_1_5=33/2, var_1_6=-1, var_1_7=2, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=-63, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=61, var_1_5=33/2, var_1_6=-1, var_1_7=2, var_1_8=256] [L148] RET assume_abort_if_not(var_1_6 <= 127) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=-63, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=61, var_1_5=33/2, var_1_6=-1, var_1_7=2, var_1_8=256] [L149] var_1_7 = __VERIFIER_nondet_char() [L150] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=-63, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=61, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=-63, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=61, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256] [L150] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=-63, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=61, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256] [L151] CALL assume_abort_if_not(var_1_7 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=-63, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=61, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=-63, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=61, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256] [L151] RET assume_abort_if_not(var_1_7 <= 127) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=-63, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=61, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256] [L152] var_1_10 = __VERIFIER_nondet_ushort() [L153] CALL assume_abort_if_not(var_1_10 >= 49150) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=-63, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=61, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=-63, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=61, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256] [L153] RET assume_abort_if_not(var_1_10 >= 49150) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=-63, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=61, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256] [L154] CALL assume_abort_if_not(var_1_10 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=-63, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=61, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=-63, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=61, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256] [L154] RET assume_abort_if_not(var_1_10 <= 65534) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=-63, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=61, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256] [L155] var_1_11 = __VERIFIER_nondet_ushort() [L156] CALL assume_abort_if_not(var_1_11 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=-63, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=61, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=-63, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=61, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256] [L156] RET assume_abort_if_not(var_1_11 >= 32767) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=-63, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=61, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256] [L157] CALL assume_abort_if_not(var_1_11 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=-63, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=61, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=-63, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=61, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256] [L157] RET assume_abort_if_not(var_1_11 <= 65534) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=-63, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=61, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256] [L158] var_1_14 = __VERIFIER_nondet_uchar() [L159] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=-63, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=61, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=-63, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=61, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256] [L159] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=-63, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=61, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256] [L160] CALL assume_abort_if_not(var_1_14 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=-63, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=61, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=-63, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=61, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256] [L160] RET assume_abort_if_not(var_1_14 <= 0) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=-63, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=61, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256] [L161] var_1_20 = __VERIFIER_nondet_short() [L162] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=-63, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=61, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=-63, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=61, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256] [L162] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=-63, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=61, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256] [L163] CALL assume_abort_if_not(var_1_20 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=-63, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=61, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=-63, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=61, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256] [L163] RET assume_abort_if_not(var_1_20 <= 16383) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=-63, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=61, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256] [L164] var_1_21 = __VERIFIER_nondet_short() [L165] CALL assume_abort_if_not(var_1_21 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=16128, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=-63, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=61, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=16128, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=-63, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=61, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256] [L165] RET assume_abort_if_not(var_1_21 >= 0) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=16128, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=-63, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=61, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256] [L166] CALL assume_abort_if_not(var_1_21 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=16128, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=-63, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=61, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=16128, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=-63, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=61, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256] [L166] RET assume_abort_if_not(var_1_21 <= 16383) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=16128, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=-63, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=61, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256] [L167] var_1_29 = __VERIFIER_nondet_long() [L168] CALL assume_abort_if_not(var_1_29 >= -2147483646) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=16128, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=-63, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=61, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=16128, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=-63, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=61, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256] [L168] RET assume_abort_if_not(var_1_29 >= -2147483646) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=16128, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=-63, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=61, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256] [L169] CALL assume_abort_if_not(var_1_29 <= -1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=16128, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=-63, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=61, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=16128, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=-63, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=61, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256] [L169] RET assume_abort_if_not(var_1_29 <= -1073741823) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=16128, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=-63, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=61, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256] [L170] var_1_38 = __VERIFIER_nondet_uchar() [L171] CALL assume_abort_if_not(var_1_38 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=16128, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=-63, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=61, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=16128, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=-63, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=61, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256] [L171] RET assume_abort_if_not(var_1_38 >= 0) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=16128, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=-63, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=61, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256] [L172] CALL assume_abort_if_not(var_1_38 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=16128, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=32, var_1_38=0, var_1_39=18/5, var_1_3=-63, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=61, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=16128, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=32, var_1_38=0, var_1_39=18/5, var_1_3=-63, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=61, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256] [L172] RET assume_abort_if_not(var_1_38 <= 254) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=16128, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=32, var_1_38=0, var_1_39=18/5, var_1_3=-63, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=61, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256] [L173] var_1_40 = __VERIFIER_nondet_double() [L174] CALL assume_abort_if_not((var_1_40 >= -922337.2036854765600e+13F && var_1_40 <= -1.0e-20F) || (var_1_40 <= 9223372.036854765600e+12F && var_1_40 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=16128, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=32, var_1_38=0, var_1_39=18/5, var_1_3=-63, var_1_41=125/4, var_1_42=10, var_1_4=61, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=16128, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=32, var_1_38=0, var_1_39=18/5, var_1_3=-63, var_1_41=125/4, var_1_42=10, var_1_4=61, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256] [L174] RET assume_abort_if_not((var_1_40 >= -922337.2036854765600e+13F && var_1_40 <= -1.0e-20F) || (var_1_40 <= 9223372.036854765600e+12F && var_1_40 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=16128, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=32, var_1_38=0, var_1_39=18/5, var_1_3=-63, var_1_41=125/4, var_1_42=10, var_1_4=61, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256] [L175] var_1_41 = __VERIFIER_nondet_double() [L176] CALL assume_abort_if_not((var_1_41 >= -922337.2036854765600e+13F && var_1_41 <= -1.0e-20F) || (var_1_41 <= 9223372.036854765600e+12F && var_1_41 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=16128, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=32, var_1_38=0, var_1_39=18/5, var_1_3=-63, var_1_42=10, var_1_4=61, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=16128, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=32, var_1_38=0, var_1_39=18/5, var_1_3=-63, var_1_42=10, var_1_4=61, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256] [L176] RET assume_abort_if_not((var_1_41 >= -922337.2036854765600e+13F && var_1_41 <= -1.0e-20F) || (var_1_41 <= 9223372.036854765600e+12F && var_1_41 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=16128, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=32, var_1_38=0, var_1_39=18/5, var_1_3=-63, var_1_42=10, var_1_4=61, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256] [L190] RET updateVariables() [L191] CALL step() [L54] COND FALSE !(var_1_16 > var_1_18) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=16128, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=32, var_1_38=0, var_1_39=18/5, var_1_3=-63, var_1_42=10, var_1_4=61, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256] [L59] var_1_26 = var_1_8 VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=16128, var_1_22=-8, var_1_26=256, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=32, var_1_38=0, var_1_39=18/5, var_1_3=-63, var_1_42=10, var_1_4=61, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256] [L60] COND FALSE !(((((-256) < 0 ) ? -(-256) : (-256))) < var_1_19) [L63] var_1_28 = var_1_29 VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=16128, var_1_22=-8, var_1_26=256, var_1_28=-1073741823, var_1_29=-1073741823, var_1_31=1, var_1_36=32, var_1_38=0, var_1_39=18/5, var_1_3=-63, var_1_42=10, var_1_4=61, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256] [L65] COND TRUE var_1_8 > var_1_18 VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=16128, var_1_22=-8, var_1_26=256, var_1_28=-1073741823, var_1_29=-1073741823, var_1_31=1, var_1_36=32, var_1_38=0, var_1_39=18/5, var_1_3=-63, var_1_42=10, var_1_4=61, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256] [L66] COND TRUE var_1_29 < var_1_18 VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=16128, var_1_22=-8, var_1_26=256, var_1_28=-1073741823, var_1_29=-1073741823, var_1_31=1, var_1_36=32, var_1_38=0, var_1_39=18/5, var_1_3=-63, var_1_42=10, var_1_4=61, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256] [L67] COND TRUE var_1_29 <= (-64 & var_1_19) [L68] var_1_31 = ((((var_1_1) > (((((8) < (var_1_1)) ? (8) : (var_1_1))))) ? (var_1_1) : (((((8) < (var_1_1)) ? (8) : (var_1_1)))))) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=16128, var_1_22=-8, var_1_26=256, var_1_28=-1073741823, var_1_29=-1073741823, var_1_31=50, var_1_36=32, var_1_38=0, var_1_39=18/5, var_1_3=-63, var_1_42=10, var_1_4=61, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256] [L74] COND FALSE !(((((((((var_1_8) > (var_1_15)) ? (var_1_8) : (var_1_15)))) > (var_1_1)) ? (((((var_1_8) > (var_1_15)) ? (var_1_8) : (var_1_15)))) : (var_1_1))) > var_1_8) [L79] var_1_36 = var_1_38 VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=16128, var_1_22=-8, var_1_26=256, var_1_28=-1073741823, var_1_29=-1073741823, var_1_31=50, var_1_36=0, var_1_38=0, var_1_39=18/5, var_1_3=-63, var_1_42=10, var_1_4=61, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256] [L81] var_1_39 = ((((((((var_1_40) < 0 ) ? -(var_1_40) : (var_1_40)))) > (((((var_1_41) < (100.75)) ? (var_1_41) : (100.75))))) ? (((((var_1_40) < 0 ) ? -(var_1_40) : (var_1_40)))) : (((((var_1_41) < (100.75)) ? (var_1_41) : (100.75)))))) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=16128, var_1_22=-8, var_1_26=256, var_1_28=-1073741823, var_1_29=-1073741823, var_1_31=50, var_1_36=0, var_1_38=0, var_1_39=2, var_1_3=-63, var_1_40=0, var_1_41=0, var_1_42=10, var_1_4=61, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256] [L82] COND FALSE !(var_1_8 <= (~ ((((var_1_1) < (var_1_1)) ? (var_1_1) : (var_1_1))))) [L93] var_1_42 = var_1_38 VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=16128, var_1_22=-8, var_1_26=256, var_1_28=-1073741823, var_1_29=-1073741823, var_1_31=50, var_1_36=0, var_1_38=0, var_1_39=2, var_1_3=-63, var_1_40=0, var_1_41=0, var_1_42=0, var_1_4=61, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256] [L95] signed char stepLocal_1 = var_1_6; [L96] unsigned char stepLocal_0 = last_1_var_1_12; VAL [isInitial=1, last_1_var_1_12=1, stepLocal_0=1, stepLocal_1=-1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=16128, var_1_22=-8, var_1_26=256, var_1_28=-1073741823, var_1_29=-1073741823, var_1_31=50, var_1_36=0, var_1_38=0, var_1_39=2, var_1_3=-63, var_1_40=0, var_1_41=0, var_1_42=0, var_1_4=61, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256] [L97] COND FALSE !(-25 == stepLocal_1) [L102] var_1_8 = ((((var_1_7) > (var_1_11)) ? (var_1_7) : (var_1_11))) VAL [isInitial=1, last_1_var_1_12=1, stepLocal_0=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=16128, var_1_22=-8, var_1_26=256, var_1_28=-1073741823, var_1_29=-1073741823, var_1_31=50, var_1_36=0, var_1_38=0, var_1_39=2, var_1_3=-63, var_1_40=0, var_1_41=0, var_1_42=0, var_1_4=61, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=32767] [L104] signed char stepLocal_2 = var_1_7; VAL [isInitial=1, last_1_var_1_12=1, stepLocal_0=1, stepLocal_2=0, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=16128, var_1_22=-8, var_1_26=256, var_1_28=-1073741823, var_1_29=-1073741823, var_1_31=50, var_1_36=0, var_1_38=0, var_1_39=2, var_1_3=-63, var_1_40=0, var_1_41=0, var_1_42=0, var_1_4=61, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=32767] [L105] COND TRUE var_1_8 >= stepLocal_2 [L106] var_1_12 = (! var_1_14) VAL [isInitial=1, last_1_var_1_12=1, stepLocal_0=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=16128, var_1_22=-8, var_1_26=256, var_1_28=-1073741823, var_1_29=-1073741823, var_1_31=50, var_1_36=0, var_1_38=0, var_1_39=2, var_1_3=-63, var_1_40=0, var_1_41=0, var_1_42=0, var_1_4=61, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=32767] [L108] COND TRUE \read(var_1_12) [L109] var_1_1 = (var_1_3 + var_1_4) VAL [isInitial=1, last_1_var_1_12=1, stepLocal_0=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=-2, var_1_20=16383, var_1_21=16128, var_1_22=-8, var_1_26=256, var_1_28=-1073741823, var_1_29=-1073741823, var_1_31=50, var_1_36=0, var_1_38=0, var_1_39=2, var_1_3=-63, var_1_40=0, var_1_41=0, var_1_42=0, var_1_4=61, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=32767] [L111] COND TRUE var_1_4 >= (var_1_6 - var_1_7) VAL [isInitial=1, last_1_var_1_12=1, stepLocal_0=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=-2, var_1_20=16383, var_1_21=16128, var_1_22=-8, var_1_26=256, var_1_28=-1073741823, var_1_29=-1073741823, var_1_31=50, var_1_36=0, var_1_38=0, var_1_39=2, var_1_3=-63, var_1_40=0, var_1_41=0, var_1_42=0, var_1_4=61, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=32767] [L112] COND TRUE \read(var_1_12) [L113] var_1_5 = 8.25 VAL [isInitial=1, last_1_var_1_12=1, stepLocal_0=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=-2, var_1_20=16383, var_1_21=16128, var_1_22=-8, var_1_26=256, var_1_28=-1073741823, var_1_29=-1073741823, var_1_31=50, var_1_36=0, var_1_38=0, var_1_39=2, var_1_3=-63, var_1_40=0, var_1_41=0, var_1_42=0, var_1_4=61, var_1_5=33/4, var_1_6=-1, var_1_7=0, var_1_8=32767] [L116] signed char stepLocal_4 = var_1_6; VAL [isInitial=1, last_1_var_1_12=1, stepLocal_0=1, stepLocal_4=-1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=-2, var_1_20=16383, var_1_21=16128, var_1_22=-8, var_1_26=256, var_1_28=-1073741823, var_1_29=-1073741823, var_1_31=50, var_1_36=0, var_1_38=0, var_1_39=2, var_1_3=-63, var_1_40=0, var_1_41=0, var_1_42=0, var_1_4=61, var_1_5=33/4, var_1_6=-1, var_1_7=0, var_1_8=32767] [L117] COND TRUE var_1_1 < stepLocal_4 [L118] var_1_18 = (var_1_6 - var_1_7) VAL [isInitial=1, last_1_var_1_12=1, stepLocal_0=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=-1, var_1_19=25, var_1_1=-2, var_1_20=16383, var_1_21=16128, var_1_22=-8, var_1_26=256, var_1_28=-1073741823, var_1_29=-1073741823, var_1_31=50, var_1_36=0, var_1_38=0, var_1_39=2, var_1_3=-63, var_1_40=0, var_1_41=0, var_1_42=0, var_1_4=61, var_1_5=33/4, var_1_6=-1, var_1_7=0, var_1_8=32767] [L122] COND TRUE \read(var_1_12) [L123] var_1_19 = ((var_1_7 - ((((var_1_20) < (var_1_21)) ? (var_1_20) : (var_1_21)))) + var_1_6) VAL [isInitial=1, last_1_var_1_12=1, stepLocal_0=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=-1, var_1_19=-16129, var_1_1=-2, var_1_20=16383, var_1_21=16128, var_1_22=-8, var_1_26=256, var_1_28=-1073741823, var_1_29=-1073741823, var_1_31=50, var_1_36=0, var_1_38=0, var_1_39=2, var_1_3=-63, var_1_40=0, var_1_41=0, var_1_42=0, var_1_4=61, var_1_5=33/4, var_1_6=-1, var_1_7=0, var_1_8=32767] [L125] COND TRUE -64 > (var_1_6 + var_1_19) [L126] var_1_15 = (var_1_11 - var_1_7) VAL [isInitial=1, last_1_var_1_12=1, stepLocal_0=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=32767, var_1_16=-16, var_1_18=-1, var_1_19=-16129, var_1_1=-2, var_1_20=16383, var_1_21=16128, var_1_22=-8, var_1_26=256, var_1_28=-1073741823, var_1_29=-1073741823, var_1_31=50, var_1_36=0, var_1_38=0, var_1_39=2, var_1_3=-63, var_1_40=0, var_1_41=0, var_1_42=0, var_1_4=61, var_1_5=33/4, var_1_6=-1, var_1_7=0, var_1_8=32767] [L134] signed long int stepLocal_3 = ((((var_1_11) > (var_1_18)) ? (var_1_11) : (var_1_18))) + (var_1_15 / var_1_10); VAL [isInitial=1, last_1_var_1_12=1, stepLocal_0=1, stepLocal_3=32767, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=32767, var_1_16=-16, var_1_18=-1, var_1_19=-16129, var_1_1=-2, var_1_20=16383, var_1_21=16128, var_1_22=-8, var_1_26=256, var_1_28=-1073741823, var_1_29=-1073741823, var_1_31=50, var_1_36=0, var_1_38=0, var_1_39=2, var_1_3=-63, var_1_40=0, var_1_41=0, var_1_42=0, var_1_4=61, var_1_5=33/4, var_1_6=-1, var_1_7=0, var_1_8=32767] [L135] COND FALSE !(var_1_19 > stepLocal_3) VAL [isInitial=1, last_1_var_1_12=1, stepLocal_0=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=32767, var_1_16=-16, var_1_18=-1, var_1_19=-16129, var_1_1=-2, var_1_20=16383, var_1_21=16128, var_1_22=-8, var_1_26=256, var_1_28=-1073741823, var_1_29=-1073741823, var_1_31=50, var_1_36=0, var_1_38=0, var_1_39=2, var_1_3=-63, var_1_40=0, var_1_41=0, var_1_42=0, var_1_4=61, var_1_5=33/4, var_1_6=-1, var_1_7=0, var_1_8=32767] [L191] RET step() [L192] CALL, EXPR property() [L182-L183] return (((((((var_1_12 ? (var_1_1 == ((signed char) (var_1_3 + var_1_4))) : 1) && ((var_1_4 >= (var_1_6 - var_1_7)) ? (var_1_12 ? (var_1_5 == ((double) 8.25)) : 1) : 1)) && ((-25 == var_1_6) ? ((last_1_var_1_12 && last_1_var_1_12) ? (var_1_8 == ((unsigned short int) ((((((var_1_10 - 10) - 16)) > ((var_1_11 - var_1_7))) ? (((var_1_10 - 10) - 16)) : ((var_1_11 - var_1_7)))))) : 1) : (var_1_8 == ((unsigned short int) ((((var_1_7) > (var_1_11)) ? (var_1_7) : (var_1_11))))))) && ((var_1_8 >= var_1_7) ? (var_1_12 == ((unsigned char) (! var_1_14))) : 1)) && ((-64 > (var_1_6 + var_1_19)) ? (var_1_15 == ((signed long int) (var_1_11 - var_1_7))) : ((! var_1_12) ? (var_1_12 ? (var_1_15 == ((signed long int) 4)) : 1) : 1))) && ((var_1_19 > (((((var_1_11) > (var_1_18)) ? (var_1_11) : (var_1_18))) + (var_1_15 / var_1_10))) ? (var_1_16 == ((signed short int) var_1_4)) : 1)) && ((var_1_1 < var_1_6) ? (var_1_18 == ((signed short int) (var_1_6 - var_1_7))) : (var_1_18 == ((signed short int) (((((var_1_6 + var_1_4)) < (var_1_1)) ? ((var_1_6 + var_1_4)) : (var_1_1))))))) && (var_1_12 ? (var_1_19 == ((signed short int) ((var_1_7 - ((((var_1_20) < (var_1_21)) ? (var_1_20) : (var_1_21)))) + var_1_6))) : 1) ; VAL [\result=0, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=32767, var_1_16=-16, var_1_18=-1, var_1_19=-16129, var_1_1=-2, var_1_20=16383, var_1_21=16128, var_1_22=-8, var_1_26=256, var_1_28=-1073741823, var_1_29=-1073741823, var_1_31=50, var_1_36=0, var_1_38=0, var_1_39=2, var_1_3=-63, var_1_40=0, var_1_41=0, var_1_42=0, var_1_4=61, var_1_5=33/4, var_1_6=-1, var_1_7=0, var_1_8=32767] [L192] RET, EXPR property() [L192] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=32767, var_1_16=-16, var_1_18=-1, var_1_19=-16129, var_1_1=-2, var_1_20=16383, var_1_21=16128, var_1_22=-8, var_1_26=256, var_1_28=-1073741823, var_1_29=-1073741823, var_1_31=50, var_1_36=0, var_1_38=0, var_1_39=2, var_1_3=-63, var_1_40=0, var_1_41=0, var_1_42=0, var_1_4=61, var_1_5=33/4, var_1_6=-1, var_1_7=0, var_1_8=32767] [L19] reach_error() VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=32767, var_1_16=-16, var_1_18=-1, var_1_19=-16129, var_1_1=-2, var_1_20=16383, var_1_21=16128, var_1_22=-8, var_1_26=256, var_1_28=-1073741823, var_1_29=-1073741823, var_1_31=50, var_1_36=0, var_1_38=0, var_1_39=2, var_1_3=-63, var_1_40=0, var_1_41=0, var_1_42=0, var_1_4=61, var_1_5=33/4, var_1_6=-1, var_1_7=0, var_1_8=32767] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 85 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 60.8s, OverallIterations: 15, TraceHistogramMax: 24, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 13.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2443 SdHoareTripleChecker+Valid, 7.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2415 mSDsluCounter, 7147 SdHoareTripleChecker+Invalid, 6.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5246 mSDsCounter, 294 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5039 IncrementalHoareTripleChecker+Invalid, 5333 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 294 mSolverCounterUnsat, 1901 mSDtfsCounter, 5039 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 863 GetRequests, 690 SyntacticMatches, 0 SemanticMatches, 173 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 663 ImplicationChecksByTransitivity, 15.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1026occurred in iteration=14, InterpolantAutomatonStates: 164, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 14 MinimizatonAttempts, 828 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 44.6s InterpolantComputationTime, 3084 NumberOfCodeBlocks, 3084 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 2738 ConstructedInterpolants, 1 QuantifiedInterpolants, 16357 SizeOfPredicates, 12 NumberOfNonLiveVariables, 1160 ConjunctsInSsa, 30 ConjunctsInUnsatCore, 17 InterpolantComputations, 12 PerfectInterpolantSequences, 18554/18768 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 11:10:47,972 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4512210f-fde6-461f-8b3b-cc53aef3b6d9/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forcibly destroying the process [2024-12-02 11:10:48,003 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4512210f-fde6-461f-8b3b-cc53aef3b6d9/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 137 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_4512210f-fde6-461f-8b3b-cc53aef3b6d9/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4512210f-fde6-461f-8b3b-cc53aef3b6d9/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_4512210f-fde6-461f-8b3b-cc53aef3b6d9/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4512210f-fde6-461f-8b3b-cc53aef3b6d9/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-66.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4512210f-fde6-461f-8b3b-cc53aef3b6d9/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_4512210f-fde6-461f-8b3b-cc53aef3b6d9/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 ee1d4ab2254e09ab1c7ffa7d0c8fe840fd7239014a5c1c2ca5c976023f5a71b5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 11:10:49,676 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 11:10:49,761 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4512210f-fde6-461f-8b3b-cc53aef3b6d9/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-12-02 11:10:49,768 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 11:10:49,768 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 11:10:49,792 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 11:10:49,792 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 11:10:49,793 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 11:10:49,793 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 11:10:49,793 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 11:10:49,793 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 11:10:49,793 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 11:10:49,794 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 11:10:49,794 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 11:10:49,794 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 11:10:49,794 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 11:10:49,794 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 11:10:49,794 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 11:10:49,795 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 11:10:49,795 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 11:10:49,795 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 11:10:49,795 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 11:10:49,795 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 11:10:49,795 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-02 11:10:49,795 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-02 11:10:49,795 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-02 11:10:49,795 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 11:10:49,795 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 11:10:49,795 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 11:10:49,795 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 11:10:49,795 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 11:10:49,796 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 11:10:49,796 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 11:10:49,796 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 11:10:49,796 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 11:10:49,796 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 11:10:49,796 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 11:10:49,796 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 11:10:49,796 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 11:10:49,796 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 11:10:49,796 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 11:10:49,796 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 11:10:49,796 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 11:10:49,797 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 11:10:49,797 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-12-02 11:10:49,797 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-02 11:10:49,797 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 11:10:49,797 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 11:10:49,797 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 11:10:49,797 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 11:10:49,797 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_4512210f-fde6-461f-8b3b-cc53aef3b6d9/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 -> ee1d4ab2254e09ab1c7ffa7d0c8fe840fd7239014a5c1c2ca5c976023f5a71b5 [2024-12-02 11:10:50,034 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 11:10:50,042 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 11:10:50,044 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 11:10:50,046 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 11:10:50,046 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 11:10:50,047 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4512210f-fde6-461f-8b3b-cc53aef3b6d9/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-66.i [2024-12-02 11:10:52,731 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4512210f-fde6-461f-8b3b-cc53aef3b6d9/bin/uautomizer-verify-84ZbGMXZE1/data/77da1724a/323420d4155b46c594a3fbb0d2aed781/FLAG3a007b4e3 [2024-12-02 11:10:52,914 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 11:10:52,915 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4512210f-fde6-461f-8b3b-cc53aef3b6d9/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-66.i [2024-12-02 11:10:52,922 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4512210f-fde6-461f-8b3b-cc53aef3b6d9/bin/uautomizer-verify-84ZbGMXZE1/data/77da1724a/323420d4155b46c594a3fbb0d2aed781/FLAG3a007b4e3 [2024-12-02 11:10:52,934 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4512210f-fde6-461f-8b3b-cc53aef3b6d9/bin/uautomizer-verify-84ZbGMXZE1/data/77da1724a/323420d4155b46c594a3fbb0d2aed781 [2024-12-02 11:10:52,936 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 11:10:52,937 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 11:10:52,938 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 11:10:52,938 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 11:10:52,942 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 11:10:52,942 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:10:52" (1/1) ... [2024-12-02 11:10:52,943 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@320d8afa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:10:52, skipping insertion in model container [2024-12-02 11:10:52,943 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:10:52" (1/1) ... [2024-12-02 11:10:52,960 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 11:10:53,082 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_4512210f-fde6-461f-8b3b-cc53aef3b6d9/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-66.i[919,932] [2024-12-02 11:10:53,145 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 11:10:53,156 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 11:10:53,165 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_4512210f-fde6-461f-8b3b-cc53aef3b6d9/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-66.i[919,932] [2024-12-02 11:10:53,201 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 11:10:53,216 INFO L204 MainTranslator]: Completed translation [2024-12-02 11:10:53,217 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:10:53 WrapperNode [2024-12-02 11:10:53,217 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 11:10:53,218 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 11:10:53,218 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 11:10:53,218 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 11:10:53,223 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:10:53" (1/1) ... [2024-12-02 11:10:53,233 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:10:53" (1/1) ... [2024-12-02 11:10:53,257 INFO L138 Inliner]: procedures = 27, calls = 37, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 178 [2024-12-02 11:10:53,257 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 11:10:53,257 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 11:10:53,258 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 11:10:53,258 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 11:10:53,267 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:10:53" (1/1) ... [2024-12-02 11:10:53,267 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:10:53" (1/1) ... [2024-12-02 11:10:53,271 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:10:53" (1/1) ... [2024-12-02 11:10:53,284 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 11:10:53,284 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:10:53" (1/1) ... [2024-12-02 11:10:53,285 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:10:53" (1/1) ... [2024-12-02 11:10:53,295 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:10:53" (1/1) ... [2024-12-02 11:10:53,296 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:10:53" (1/1) ... [2024-12-02 11:10:53,299 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:10:53" (1/1) ... [2024-12-02 11:10:53,302 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:10:53" (1/1) ... [2024-12-02 11:10:53,303 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:10:53" (1/1) ... [2024-12-02 11:10:53,306 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 11:10:53,307 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 11:10:53,307 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 11:10:53,307 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 11:10:53,309 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:10:53" (1/1) ... [2024-12-02 11:10:53,314 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 11:10:53,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4512210f-fde6-461f-8b3b-cc53aef3b6d9/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:10:53,335 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4512210f-fde6-461f-8b3b-cc53aef3b6d9/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 11:10:53,337 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4512210f-fde6-461f-8b3b-cc53aef3b6d9/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 11:10:53,357 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 11:10:53,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-12-02 11:10:53,357 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 11:10:53,357 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 11:10:53,357 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 11:10:53,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 11:10:53,427 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 11:10:53,429 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 11:10:53,783 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-12-02 11:10:53,783 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 11:10:53,791 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 11:10:53,792 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 11:10:53,792 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:10:53 BoogieIcfgContainer [2024-12-02 11:10:53,792 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 11:10:53,794 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 11:10:53,794 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 11:10:53,799 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 11:10:53,799 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 11:10:52" (1/3) ... [2024-12-02 11:10:53,800 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@427d6efb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 11:10:53, skipping insertion in model container [2024-12-02 11:10:53,800 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:10:53" (2/3) ... [2024-12-02 11:10:53,800 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@427d6efb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 11:10:53, skipping insertion in model container [2024-12-02 11:10:53,800 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:10:53" (3/3) ... [2024-12-02 11:10:53,802 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-co_file-66.i [2024-12-02 11:10:53,815 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 11:10:53,816 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodestructure_filler-ps-co_file-66.i that has 2 procedures, 85 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 11:10:53,864 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 11:10:53,875 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;@76682de4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 11:10:53,875 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 11:10:53,878 INFO L276 IsEmpty]: Start isEmpty. Operand has 85 states, 58 states have (on average 1.4827586206896552) internal successors, (86), 59 states have internal predecessors, (86), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-12-02 11:10:53,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-12-02 11:10:53,888 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:10:53,889 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:10:53,889 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:10:53,892 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:10:53,893 INFO L85 PathProgramCache]: Analyzing trace with hash 1675600109, now seen corresponding path program 1 times [2024-12-02 11:10:53,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 11:10:53,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1846579597] [2024-12-02 11:10:53,902 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:10:53,902 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 11:10:53,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4512210f-fde6-461f-8b3b-cc53aef3b6d9/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 11:10:53,904 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4512210f-fde6-461f-8b3b-cc53aef3b6d9/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 11:10:53,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4512210f-fde6-461f-8b3b-cc53aef3b6d9/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 11:10:54,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:10:54,119 INFO L256 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 11:10:54,127 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:10:54,177 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 494 proven. 0 refuted. 0 times theorem prover too weak. 610 trivial. 0 not checked. [2024-12-02 11:10:54,177 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 11:10:54,178 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 11:10:54,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1846579597] [2024-12-02 11:10:54,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1846579597] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:10:54,179 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:10:54,179 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 11:10:54,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1668205588] [2024-12-02 11:10:54,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:10:54,185 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 11:10:54,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 11:10:54,199 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 11:10:54,199 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 11:10:54,201 INFO L87 Difference]: Start difference. First operand has 85 states, 58 states have (on average 1.4827586206896552) internal successors, (86), 59 states have internal predecessors, (86), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) Second operand has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-12-02 11:10:54,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:10:54,224 INFO L93 Difference]: Finished difference Result 163 states and 286 transitions. [2024-12-02 11:10:54,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 11:10:54,226 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 161 [2024-12-02 11:10:54,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:10:54,231 INFO L225 Difference]: With dead ends: 163 [2024-12-02 11:10:54,231 INFO L226 Difference]: Without dead ends: 81 [2024-12-02 11:10:54,234 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 160 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 11:10:54,236 INFO L435 NwaCegarLoop]: 127 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, 127 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 11:10:54,237 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 11:10:54,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2024-12-02 11:10:54,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2024-12-02 11:10:54,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 55 states have (on average 1.4363636363636363) internal successors, (79), 55 states have internal predecessors, (79), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-12-02 11:10:54,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 127 transitions. [2024-12-02 11:10:54,271 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 127 transitions. Word has length 161 [2024-12-02 11:10:54,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:10:54,271 INFO L471 AbstractCegarLoop]: Abstraction has 81 states and 127 transitions. [2024-12-02 11:10:54,272 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-12-02 11:10:54,272 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 127 transitions. [2024-12-02 11:10:54,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-12-02 11:10:54,275 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:10:54,275 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:10:54,280 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4512210f-fde6-461f-8b3b-cc53aef3b6d9/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 11:10:54,476 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4512210f-fde6-461f-8b3b-cc53aef3b6d9/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 11:10:54,476 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:10:54,477 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:10:54,477 INFO L85 PathProgramCache]: Analyzing trace with hash 1970234289, now seen corresponding path program 1 times [2024-12-02 11:10:54,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 11:10:54,478 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1631462620] [2024-12-02 11:10:54,478 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:10:54,478 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 11:10:54,478 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4512210f-fde6-461f-8b3b-cc53aef3b6d9/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 11:10:54,480 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4512210f-fde6-461f-8b3b-cc53aef3b6d9/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 11:10:54,481 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4512210f-fde6-461f-8b3b-cc53aef3b6d9/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 11:10:54,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:10:54,689 INFO L256 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 11:10:54,694 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:10:55,083 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-12-02 11:10:55,083 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 11:10:55,083 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 11:10:55,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1631462620] [2024-12-02 11:10:55,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1631462620] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:10:55,083 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:10:55,083 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 11:10:55,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [96937016] [2024-12-02 11:10:55,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:10:55,085 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 11:10:55,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 11:10:55,086 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 11:10:55,086 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:10:55,087 INFO L87 Difference]: Start difference. First operand 81 states and 127 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-12-02 11:10:55,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:10:55,189 INFO L93 Difference]: Finished difference Result 237 states and 375 transitions. [2024-12-02 11:10:55,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 11:10:55,190 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 161 [2024-12-02 11:10:55,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:10:55,193 INFO L225 Difference]: With dead ends: 237 [2024-12-02 11:10:55,193 INFO L226 Difference]: Without dead ends: 159 [2024-12-02 11:10:55,194 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 159 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 11:10:55,195 INFO L435 NwaCegarLoop]: 134 mSDtfsCounter, 54 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 248 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 11:10:55,195 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 248 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 11:10:55,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2024-12-02 11:10:55,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 157. [2024-12-02 11:10:55,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 106 states have (on average 1.4433962264150944) internal successors, (153), 106 states have internal predecessors, (153), 48 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-12-02 11:10:55,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 249 transitions. [2024-12-02 11:10:55,226 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 249 transitions. Word has length 161 [2024-12-02 11:10:55,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:10:55,227 INFO L471 AbstractCegarLoop]: Abstraction has 157 states and 249 transitions. [2024-12-02 11:10:55,227 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-12-02 11:10:55,227 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 249 transitions. [2024-12-02 11:10:55,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-12-02 11:10:55,230 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:10:55,230 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:10:55,237 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4512210f-fde6-461f-8b3b-cc53aef3b6d9/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 11:10:55,431 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4512210f-fde6-461f-8b3b-cc53aef3b6d9/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 11:10:55,431 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:10:55,432 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:10:55,432 INFO L85 PathProgramCache]: Analyzing trace with hash -1902031181, now seen corresponding path program 1 times [2024-12-02 11:10:55,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 11:10:55,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1124524117] [2024-12-02 11:10:55,432 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:10:55,432 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 11:10:55,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4512210f-fde6-461f-8b3b-cc53aef3b6d9/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 11:10:55,434 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4512210f-fde6-461f-8b3b-cc53aef3b6d9/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 11:10:55,435 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4512210f-fde6-461f-8b3b-cc53aef3b6d9/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 11:10:55,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:10:55,626 INFO L256 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 11:10:55,631 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:10:56,511 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-12-02 11:10:56,511 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 11:10:56,511 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 11:10:56,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1124524117] [2024-12-02 11:10:56,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1124524117] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:10:56,511 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:10:56,511 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 11:10:56,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70665877] [2024-12-02 11:10:56,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:10:56,512 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 11:10:56,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 11:10:56,513 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 11:10:56,513 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:10:56,514 INFO L87 Difference]: Start difference. First operand 157 states and 249 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-12-02 11:10:56,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:10:56,675 INFO L93 Difference]: Finished difference Result 375 states and 597 transitions. [2024-12-02 11:10:56,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 11:10:56,676 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 161 [2024-12-02 11:10:56,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:10:56,678 INFO L225 Difference]: With dead ends: 375 [2024-12-02 11:10:56,678 INFO L226 Difference]: Without dead ends: 221 [2024-12-02 11:10:56,680 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 159 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 11:10:56,680 INFO L435 NwaCegarLoop]: 127 mSDtfsCounter, 25 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 226 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 11:10:56,681 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 226 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 11:10:56,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2024-12-02 11:10:56,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 216. [2024-12-02 11:10:56,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216 states, 140 states have (on average 1.3857142857142857) internal successors, (194), 140 states have internal predecessors, (194), 72 states have call successors, (72), 3 states have call predecessors, (72), 3 states have return successors, (72), 72 states have call predecessors, (72), 72 states have call successors, (72) [2024-12-02 11:10:56,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 338 transitions. [2024-12-02 11:10:56,716 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 338 transitions. Word has length 161 [2024-12-02 11:10:56,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:10:56,717 INFO L471 AbstractCegarLoop]: Abstraction has 216 states and 338 transitions. [2024-12-02 11:10:56,717 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-12-02 11:10:56,717 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 338 transitions. [2024-12-02 11:10:56,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-12-02 11:10:56,719 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:10:56,720 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:10:56,726 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4512210f-fde6-461f-8b3b-cc53aef3b6d9/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 11:10:56,920 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4512210f-fde6-461f-8b3b-cc53aef3b6d9/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 11:10:56,920 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:10:56,921 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:10:56,921 INFO L85 PathProgramCache]: Analyzing trace with hash -1667471603, now seen corresponding path program 1 times [2024-12-02 11:10:56,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 11:10:56,921 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [74736251] [2024-12-02 11:10:56,921 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:10:56,921 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 11:10:56,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4512210f-fde6-461f-8b3b-cc53aef3b6d9/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 11:10:56,923 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4512210f-fde6-461f-8b3b-cc53aef3b6d9/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 11:10:56,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4512210f-fde6-461f-8b3b-cc53aef3b6d9/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 11:10:57,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:10:57,070 INFO L256 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-02 11:10:57,073 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:10:57,457 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 365 proven. 12 refuted. 0 times theorem prover too weak. 727 trivial. 0 not checked. [2024-12-02 11:10:57,457 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 11:10:57,683 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 57 proven. 12 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2024-12-02 11:10:57,683 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 11:10:57,683 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [74736251] [2024-12-02 11:10:57,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [74736251] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 11:10:57,683 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 11:10:57,683 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2024-12-02 11:10:57,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1637606776] [2024-12-02 11:10:57,683 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 11:10:57,684 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 11:10:57,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 11:10:57,685 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 11:10:57,685 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-12-02 11:10:57,685 INFO L87 Difference]: Start difference. First operand 216 states and 338 transitions. Second operand has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 9 states have internal predecessors, (80), 4 states have call successors, (48), 3 states have call predecessors, (48), 5 states have return successors, (48), 4 states have call predecessors, (48), 4 states have call successors, (48) [2024-12-02 11:10:58,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:10:58,516 INFO L93 Difference]: Finished difference Result 485 states and 750 transitions. [2024-12-02 11:10:58,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-02 11:10:58,517 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 9 states have internal predecessors, (80), 4 states have call successors, (48), 3 states have call predecessors, (48), 5 states have return successors, (48), 4 states have call predecessors, (48), 4 states have call successors, (48) Word has length 162 [2024-12-02 11:10:58,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:10:58,521 INFO L225 Difference]: With dead ends: 485 [2024-12-02 11:10:58,521 INFO L226 Difference]: Without dead ends: 322 [2024-12-02 11:10:58,522 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 327 GetRequests, 315 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=73, Invalid=109, Unknown=0, NotChecked=0, Total=182 [2024-12-02 11:10:58,523 INFO L435 NwaCegarLoop]: 87 mSDtfsCounter, 224 mSDsluCounter, 227 mSDsCounter, 0 mSdLazyCounter, 291 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 242 SdHoareTripleChecker+Valid, 314 SdHoareTripleChecker+Invalid, 346 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 291 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-12-02 11:10:58,524 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [242 Valid, 314 Invalid, 346 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 291 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-12-02 11:10:58,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 322 states. [2024-12-02 11:10:58,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 322 to 310. [2024-12-02 11:10:58,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 310 states, 195 states have (on average 1.3384615384615384) internal successors, (261), 197 states have internal predecessors, (261), 108 states have call successors, (108), 6 states have call predecessors, (108), 6 states have return successors, (108), 106 states have call predecessors, (108), 108 states have call successors, (108) [2024-12-02 11:10:58,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 477 transitions. [2024-12-02 11:10:58,564 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 477 transitions. Word has length 162 [2024-12-02 11:10:58,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:10:58,565 INFO L471 AbstractCegarLoop]: Abstraction has 310 states and 477 transitions. [2024-12-02 11:10:58,565 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 9 states have internal predecessors, (80), 4 states have call successors, (48), 3 states have call predecessors, (48), 5 states have return successors, (48), 4 states have call predecessors, (48), 4 states have call successors, (48) [2024-12-02 11:10:58,565 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 477 transitions. [2024-12-02 11:10:58,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-12-02 11:10:58,567 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:10:58,567 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:10:58,572 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4512210f-fde6-461f-8b3b-cc53aef3b6d9/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)] Forceful destruction successful, exit code 0 [2024-12-02 11:10:58,767 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4512210f-fde6-461f-8b3b-cc53aef3b6d9/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 11:10:58,767 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:10:58,768 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:10:58,768 INFO L85 PathProgramCache]: Analyzing trace with hash 326167326, now seen corresponding path program 1 times [2024-12-02 11:10:58,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 11:10:58,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [865126434] [2024-12-02 11:10:58,769 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:10:58,769 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 11:10:58,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4512210f-fde6-461f-8b3b-cc53aef3b6d9/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 11:10:58,770 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4512210f-fde6-461f-8b3b-cc53aef3b6d9/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 11:10:58,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4512210f-fde6-461f-8b3b-cc53aef3b6d9/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 11:10:58,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:10:58,986 INFO L256 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-02 11:10:58,990 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:11:00,673 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 616 proven. 132 refuted. 0 times theorem prover too weak. 356 trivial. 0 not checked. [2024-12-02 11:11:00,673 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 11:11:05,701 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 11:11:05,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [865126434] [2024-12-02 11:11:05,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [865126434] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 11:11:05,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [948709341] [2024-12-02 11:11:05,702 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:11:05,702 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 11:11:05,702 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4512210f-fde6-461f-8b3b-cc53aef3b6d9/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 11:11:05,708 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4512210f-fde6-461f-8b3b-cc53aef3b6d9/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 11:11:05,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4512210f-fde6-461f-8b3b-cc53aef3b6d9/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-02 11:11:06,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:11:06,609 INFO L256 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-02 11:11:06,612 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:11:15,083 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 598 proven. 126 refuted. 0 times theorem prover too weak. 380 trivial. 0 not checked. [2024-12-02 11:11:15,083 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 11:11:22,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [948709341] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 11:11:22,448 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 11:11:22,448 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 22 [2024-12-02 11:11:22,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798647439] [2024-12-02 11:11:22,449 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 11:11:22,449 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-12-02 11:11:22,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 11:11:22,449 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-12-02 11:11:22,450 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=650, Unknown=1, NotChecked=0, Total=756 [2024-12-02 11:11:22,450 INFO L87 Difference]: Start difference. First operand 310 states and 477 transitions. Second operand has 22 states, 22 states have (on average 5.045454545454546) internal successors, (111), 22 states have internal predecessors, (111), 7 states have call successors, (43), 7 states have call predecessors, (43), 12 states have return successors, (44), 7 states have call predecessors, (44), 7 states have call successors, (44) [2024-12-02 11:11:39,550 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-02 11:11:56,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:11:56,494 INFO L93 Difference]: Finished difference Result 764 states and 1064 transitions. [2024-12-02 11:11:56,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-12-02 11:11:56,495 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 5.045454545454546) internal successors, (111), 22 states have internal predecessors, (111), 7 states have call successors, (43), 7 states have call predecessors, (43), 12 states have return successors, (44), 7 states have call predecessors, (44), 7 states have call successors, (44) Word has length 163 [2024-12-02 11:11:56,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:11:56,501 INFO L225 Difference]: With dead ends: 764 [2024-12-02 11:11:56,501 INFO L226 Difference]: Without dead ends: 538 [2024-12-02 11:11:56,503 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 407 GetRequests, 356 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 728 ImplicationChecksByTransitivity, 23.4s TimeCoverageRelationStatistics Valid=532, Invalid=2223, Unknown=1, NotChecked=0, Total=2756 [2024-12-02 11:11:56,504 INFO L435 NwaCegarLoop]: 102 mSDtfsCounter, 155 mSDsluCounter, 640 mSDsCounter, 0 mSdLazyCounter, 785 mSolverCounterSat, 72 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 742 SdHoareTripleChecker+Invalid, 858 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 785 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.5s IncrementalHoareTripleChecker+Time [2024-12-02 11:11:56,504 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 742 Invalid, 858 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 785 Invalid, 1 Unknown, 0 Unchecked, 23.5s Time] [2024-12-02 11:11:56,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 538 states. [2024-12-02 11:11:56,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 538 to 514. [2024-12-02 11:11:56,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 514 states, 335 states have (on average 1.208955223880597) internal successors, (405), 341 states have internal predecessors, (405), 140 states have call successors, (140), 38 states have call predecessors, (140), 38 states have return successors, (140), 134 states have call predecessors, (140), 140 states have call successors, (140) [2024-12-02 11:11:56,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 514 states and 685 transitions. [2024-12-02 11:11:56,564 INFO L78 Accepts]: Start accepts. Automaton has 514 states and 685 transitions. Word has length 163 [2024-12-02 11:11:56,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:11:56,564 INFO L471 AbstractCegarLoop]: Abstraction has 514 states and 685 transitions. [2024-12-02 11:11:56,565 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 5.045454545454546) internal successors, (111), 22 states have internal predecessors, (111), 7 states have call successors, (43), 7 states have call predecessors, (43), 12 states have return successors, (44), 7 states have call predecessors, (44), 7 states have call successors, (44) [2024-12-02 11:11:56,565 INFO L276 IsEmpty]: Start isEmpty. Operand 514 states and 685 transitions. [2024-12-02 11:11:56,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-12-02 11:11:56,567 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:11:56,567 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:11:56,575 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4512210f-fde6-461f-8b3b-cc53aef3b6d9/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-12-02 11:11:56,771 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4512210f-fde6-461f-8b3b-cc53aef3b6d9/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)] Ended with exit code 0 [2024-12-02 11:11:56,967 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4512210f-fde6-461f-8b3b-cc53aef3b6d9/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4512210f-fde6-461f-8b3b-cc53aef3b6d9/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 11:11:56,967 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:11:56,968 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:11:56,968 INFO L85 PathProgramCache]: Analyzing trace with hash 328014368, now seen corresponding path program 1 times [2024-12-02 11:11:56,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 11:11:56,969 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1175316299] [2024-12-02 11:11:56,969 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:11:56,969 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 11:11:56,969 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4512210f-fde6-461f-8b3b-cc53aef3b6d9/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 11:11:56,971 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4512210f-fde6-461f-8b3b-cc53aef3b6d9/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 11:11:56,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4512210f-fde6-461f-8b3b-cc53aef3b6d9/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 (8)] Waiting until timeout for monitored process [2024-12-02 11:11:57,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:11:57,175 INFO L256 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-12-02 11:11:57,179 INFO L279 TraceCheckSpWp]: Computing forward predicates...