./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-28.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_d96ef7a4-a886-49c2-812a-f95cab262412/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d96ef7a4-a886-49c2-812a-f95cab262412/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d96ef7a4-a886-49c2-812a-f95cab262412/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d96ef7a4-a886-49c2-812a-f95cab262412/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-28.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d96ef7a4-a886-49c2-812a-f95cab262412/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d96ef7a4-a886-49c2-812a-f95cab262412/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 49a7910a640b9ef8dea3798033f5d3f27279f235dab211562519047fb85b8da0 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 23:26:14,419 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 23:26:14,508 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d96ef7a4-a886-49c2-812a-f95cab262412/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-27 23:26:14,514 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 23:26:14,514 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 23:26:14,549 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 23:26:14,550 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 23:26:14,551 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 23:26:14,551 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-27 23:26:14,552 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-27 23:26:14,553 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 23:26:14,553 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 23:26:14,554 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 23:26:14,554 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 23:26:14,554 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 23:26:14,555 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 23:26:14,555 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-27 23:26:14,555 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-27 23:26:14,555 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-27 23:26:14,556 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-27 23:26:14,556 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 23:26:14,556 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-27 23:26:14,556 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 23:26:14,556 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-27 23:26:14,556 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-27 23:26:14,556 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 23:26:14,557 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 23:26:14,557 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 23:26:14,557 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-27 23:26:14,557 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 23:26:14,558 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 23:26:14,558 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 23:26:14,558 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 23:26:14,558 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 23:26:14,558 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 23:26:14,558 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 23:26:14,559 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 23:26:14,559 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 23:26:14,559 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 23:26:14,559 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 23:26:14,559 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-27 23:26:14,559 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-27 23:26:14,560 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-27 23:26:14,560 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-27 23:26:14,560 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 23:26:14,560 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-27 23:26:14,561 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-27 23:26:14,561 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-27 23:26:14,561 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_d96ef7a4-a886-49c2-812a-f95cab262412/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 49a7910a640b9ef8dea3798033f5d3f27279f235dab211562519047fb85b8da0 [2024-11-27 23:26:14,899 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 23:26:14,913 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 23:26:14,919 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 23:26:14,921 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 23:26:14,921 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 23:26:14,923 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d96ef7a4-a886-49c2-812a-f95cab262412/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-28.i [2024-11-27 23:26:18,032 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d96ef7a4-a886-49c2-812a-f95cab262412/bin/uautomizer-verify-aQ6SnzHsRB/data/b6fb2cf82/0e072e85adac47889eba9b2cb8bf9845/FLAG52d510a48 [2024-11-27 23:26:18,376 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 23:26:18,377 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d96ef7a4-a886-49c2-812a-f95cab262412/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-28.i [2024-11-27 23:26:18,387 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d96ef7a4-a886-49c2-812a-f95cab262412/bin/uautomizer-verify-aQ6SnzHsRB/data/b6fb2cf82/0e072e85adac47889eba9b2cb8bf9845/FLAG52d510a48 [2024-11-27 23:26:18,599 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d96ef7a4-a886-49c2-812a-f95cab262412/bin/uautomizer-verify-aQ6SnzHsRB/data/b6fb2cf82/0e072e85adac47889eba9b2cb8bf9845 [2024-11-27 23:26:18,601 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 23:26:18,603 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 23:26:18,604 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 23:26:18,604 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 23:26:18,610 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 23:26:18,611 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:26:18" (1/1) ... [2024-11-27 23:26:18,612 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1062051d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:26:18, skipping insertion in model container [2024-11-27 23:26:18,612 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:26:18" (1/1) ... [2024-11-27 23:26:18,639 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 23:26:18,825 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d96ef7a4-a886-49c2-812a-f95cab262412/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-28.i[913,926] [2024-11-27 23:26:18,945 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 23:26:18,966 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 23:26:18,978 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_d96ef7a4-a886-49c2-812a-f95cab262412/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-28.i[913,926] [2024-11-27 23:26:19,025 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 23:26:19,045 INFO L204 MainTranslator]: Completed translation [2024-11-27 23:26:19,045 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:26:19 WrapperNode [2024-11-27 23:26:19,045 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 23:26:19,047 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 23:26:19,047 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 23:26:19,047 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 23:26:19,055 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:26:19" (1/1) ... [2024-11-27 23:26:19,072 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:26:19" (1/1) ... [2024-11-27 23:26:19,127 INFO L138 Inliner]: procedures = 26, calls = 45, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 187 [2024-11-27 23:26:19,128 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 23:26:19,128 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 23:26:19,128 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 23:26:19,129 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 23:26:19,139 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:26:19" (1/1) ... [2024-11-27 23:26:19,139 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:26:19" (1/1) ... [2024-11-27 23:26:19,144 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:26:19" (1/1) ... [2024-11-27 23:26:19,178 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-27 23:26:19,179 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:26:19" (1/1) ... [2024-11-27 23:26:19,179 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:26:19" (1/1) ... [2024-11-27 23:26:19,191 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:26:19" (1/1) ... [2024-11-27 23:26:19,192 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:26:19" (1/1) ... [2024-11-27 23:26:19,196 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:26:19" (1/1) ... [2024-11-27 23:26:19,199 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:26:19" (1/1) ... [2024-11-27 23:26:19,202 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:26:19" (1/1) ... [2024-11-27 23:26:19,207 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 23:26:19,208 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 23:26:19,208 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 23:26:19,208 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 23:26:19,209 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:26:19" (1/1) ... [2024-11-27 23:26:19,216 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 23:26:19,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d96ef7a4-a886-49c2-812a-f95cab262412/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:26:19,253 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d96ef7a4-a886-49c2-812a-f95cab262412/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-27 23:26:19,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d96ef7a4-a886-49c2-812a-f95cab262412/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-27 23:26:19,289 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 23:26:19,289 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-27 23:26:19,289 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-27 23:26:19,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-27 23:26:19,290 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 23:26:19,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 23:26:19,382 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 23:26:19,384 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 23:26:20,018 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-27 23:26:20,019 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 23:26:20,038 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 23:26:20,038 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-27 23:26:20,039 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:26:20 BoogieIcfgContainer [2024-11-27 23:26:20,039 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 23:26:20,042 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 23:26:20,042 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 23:26:20,061 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 23:26:20,062 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 11:26:18" (1/3) ... [2024-11-27 23:26:20,063 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f789274 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:26:20, skipping insertion in model container [2024-11-27 23:26:20,063 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:26:19" (2/3) ... [2024-11-27 23:26:20,064 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f789274 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:26:20, skipping insertion in model container [2024-11-27 23:26:20,064 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:26:20" (3/3) ... [2024-11-27 23:26:20,065 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-28.i [2024-11-27 23:26:20,084 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 23:26:20,086 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_codestructure_normal_file-28.i that has 2 procedures, 87 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-27 23:26:20,176 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-27 23:26:20,196 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;@22f30ec5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 23:26:20,196 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-27 23:26:20,202 INFO L276 IsEmpty]: Start isEmpty. Operand has 87 states, 52 states have (on average 1.3653846153846154) internal successors, (71), 53 states have internal predecessors, (71), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-27 23:26:20,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2024-11-27 23:26:20,224 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:26:20,225 INFO L218 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:26:20,225 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:26:20,234 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:26:20,236 INFO L85 PathProgramCache]: Analyzing trace with hash 384056012, now seen corresponding path program 1 times [2024-11-27 23:26:20,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:26:20,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [551696093] [2024-11-27 23:26:20,248 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:26:20,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:26:20,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:26:20,746 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 62 refuted. 0 times theorem prover too weak. 1922 trivial. 0 not checked. [2024-11-27 23:26:20,747 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:26:20,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [551696093] [2024-11-27 23:26:20,750 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [551696093] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:26:20,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1156011652] [2024-11-27 23:26:20,751 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:26:20,751 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:26:20,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d96ef7a4-a886-49c2-812a-f95cab262412/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:26:20,755 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d96ef7a4-a886-49c2-812a-f95cab262412/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:26:20,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d96ef7a4-a886-49c2-812a-f95cab262412/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-27 23:26:21,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:26:21,022 INFO L256 TraceCheckSpWp]: Trace formula consists of 421 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-27 23:26:21,037 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:26:21,092 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 1922 trivial. 0 not checked. [2024-11-27 23:26:21,096 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:26:21,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1156011652] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:26:21,096 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:26:21,097 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-27 23:26:21,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327359016] [2024-11-27 23:26:21,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:26:21,108 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-27 23:26:21,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:26:21,132 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-27 23:26:21,132 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-27 23:26:21,134 INFO L87 Difference]: Start difference. First operand has 87 states, 52 states have (on average 1.3653846153846154) internal successors, (71), 53 states have internal predecessors, (71), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) Second operand has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 2 states have call successors, (32) [2024-11-27 23:26:21,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:26:21,165 INFO L93 Difference]: Finished difference Result 167 states and 296 transitions. [2024-11-27 23:26:21,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 23:26:21,167 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 2 states have call successors, (32) Word has length 196 [2024-11-27 23:26:21,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:26:21,175 INFO L225 Difference]: With dead ends: 167 [2024-11-27 23:26:21,175 INFO L226 Difference]: Without dead ends: 83 [2024-11-27 23:26:21,179 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 197 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-27 23:26:21,181 INFO L435 NwaCegarLoop]: 128 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, 128 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 23:26:21,182 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 23:26:21,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2024-11-27 23:26:21,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2024-11-27 23:26:21,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 49 states have (on average 1.3061224489795917) internal successors, (64), 49 states have internal predecessors, (64), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-27 23:26:21,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 128 transitions. [2024-11-27 23:26:21,236 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 128 transitions. Word has length 196 [2024-11-27 23:26:21,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:26:21,236 INFO L471 AbstractCegarLoop]: Abstraction has 83 states and 128 transitions. [2024-11-27 23:26:21,237 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 2 states have call successors, (32) [2024-11-27 23:26:21,237 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 128 transitions. [2024-11-27 23:26:21,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2024-11-27 23:26:21,240 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:26:21,241 INFO L218 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:26:21,249 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d96ef7a4-a886-49c2-812a-f95cab262412/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-27 23:26:21,441 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d96ef7a4-a886-49c2-812a-f95cab262412/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-27 23:26:21,442 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:26:21,442 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:26:21,442 INFO L85 PathProgramCache]: Analyzing trace with hash 1559992004, now seen corresponding path program 1 times [2024-11-27 23:26:21,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:26:21,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [951952157] [2024-11-27 23:26:21,443 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:26:21,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:26:21,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:28:35,879 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-11-27 23:28:35,880 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:28:35,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [951952157] [2024-11-27 23:28:35,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [951952157] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:28:35,880 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:28:35,880 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-27 23:28:35,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523433936] [2024-11-27 23:28:35,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:28:35,884 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-27 23:28:35,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:28:35,885 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-27 23:28:35,885 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-27 23:28:35,886 INFO L87 Difference]: Start difference. First operand 83 states and 128 transitions. Second operand has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 7 states have internal predecessors, (39), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-27 23:28:37,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:28:37,665 INFO L93 Difference]: Finished difference Result 233 states and 357 transitions. [2024-11-27 23:28:37,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 23:28:37,666 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 7 states have internal predecessors, (39), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 196 [2024-11-27 23:28:37,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:28:37,669 INFO L225 Difference]: With dead ends: 233 [2024-11-27 23:28:37,670 INFO L226 Difference]: Without dead ends: 153 [2024-11-27 23:28:37,671 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2024-11-27 23:28:37,671 INFO L435 NwaCegarLoop]: 123 mSDtfsCounter, 93 mSDsluCounter, 421 mSDsCounter, 0 mSdLazyCounter, 209 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 544 SdHoareTripleChecker+Invalid, 210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 209 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-27 23:28:37,672 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 544 Invalid, 210 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 209 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-27 23:28:37,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2024-11-27 23:28:37,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 95. [2024-11-27 23:28:37,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 61 states have (on average 1.3934426229508197) internal successors, (85), 61 states have internal predecessors, (85), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-27 23:28:37,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 149 transitions. [2024-11-27 23:28:37,687 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 149 transitions. Word has length 196 [2024-11-27 23:28:37,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:28:37,691 INFO L471 AbstractCegarLoop]: Abstraction has 95 states and 149 transitions. [2024-11-27 23:28:37,691 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 7 states have internal predecessors, (39), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-27 23:28:37,692 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 149 transitions. [2024-11-27 23:28:37,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2024-11-27 23:28:37,697 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:28:37,697 INFO L218 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:28:37,697 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-27 23:28:37,698 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:28:37,698 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:28:37,699 INFO L85 PathProgramCache]: Analyzing trace with hash 1818157442, now seen corresponding path program 1 times [2024-11-27 23:28:37,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:28:37,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [896982848] [2024-11-27 23:28:37,700 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:28:37,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:28:37,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:28:37,830 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-11-27 23:28:37,830 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:28:37,830 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [896982848] [2024-11-27 23:28:37,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [896982848] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:28:37,830 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:28:37,831 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 23:28:37,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1650379537] [2024-11-27 23:28:37,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:28:37,831 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:28:37,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:28:37,832 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:28:37,832 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:28:37,833 INFO L87 Difference]: Start difference. First operand 95 states and 149 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-27 23:28:37,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:28:37,894 INFO L93 Difference]: Finished difference Result 267 states and 420 transitions. [2024-11-27 23:28:37,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:28:37,895 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 196 [2024-11-27 23:28:37,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:28:37,898 INFO L225 Difference]: With dead ends: 267 [2024-11-27 23:28:37,898 INFO L226 Difference]: Without dead ends: 175 [2024-11-27 23:28:37,899 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 [2024-11-27 23:28:37,900 INFO L435 NwaCegarLoop]: 246 mSDtfsCounter, 118 mSDsluCounter, 119 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 365 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 23:28:37,900 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 365 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 23:28:37,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2024-11-27 23:28:37,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 173. [2024-11-27 23:28:37,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 106 states have (on average 1.3396226415094339) internal successors, (142), 106 states have internal predecessors, (142), 64 states have call successors, (64), 2 states have call predecessors, (64), 2 states have return successors, (64), 64 states have call predecessors, (64), 64 states have call successors, (64) [2024-11-27 23:28:37,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 270 transitions. [2024-11-27 23:28:37,938 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 270 transitions. Word has length 196 [2024-11-27 23:28:37,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:28:37,938 INFO L471 AbstractCegarLoop]: Abstraction has 173 states and 270 transitions. [2024-11-27 23:28:37,939 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-27 23:28:37,939 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 270 transitions. [2024-11-27 23:28:37,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2024-11-27 23:28:37,946 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:28:37,946 INFO L218 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:28:37,946 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-27 23:28:37,946 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:28:37,947 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:28:37,947 INFO L85 PathProgramCache]: Analyzing trace with hash 973185990, now seen corresponding path program 1 times [2024-11-27 23:28:37,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:28:37,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1644703264] [2024-11-27 23:28:37,947 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:28:37,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:28:37,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:28:38,207 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-11-27 23:28:38,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:28:38,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1644703264] [2024-11-27 23:28:38,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1644703264] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:28:38,208 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:28:38,208 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 23:28:38,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1674103630] [2024-11-27 23:28:38,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:28:38,209 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:28:38,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:28:38,209 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:28:38,209 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:28:38,210 INFO L87 Difference]: Start difference. First operand 173 states and 270 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-27 23:28:38,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:28:38,285 INFO L93 Difference]: Finished difference Result 501 states and 783 transitions. [2024-11-27 23:28:38,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:28:38,286 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 196 [2024-11-27 23:28:38,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:28:38,293 INFO L225 Difference]: With dead ends: 501 [2024-11-27 23:28:38,294 INFO L226 Difference]: Without dead ends: 331 [2024-11-27 23:28:38,296 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 [2024-11-27 23:28:38,296 INFO L435 NwaCegarLoop]: 157 mSDtfsCounter, 66 mSDsluCounter, 117 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 274 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 23:28:38,299 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 274 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 23:28:38,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2024-11-27 23:28:38,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 251. [2024-11-27 23:28:38,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 251 states, 151 states have (on average 1.3245033112582782) internal successors, (200), 151 states have internal predecessors, (200), 96 states have call successors, (96), 3 states have call predecessors, (96), 3 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) [2024-11-27 23:28:38,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 392 transitions. [2024-11-27 23:28:38,371 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 392 transitions. Word has length 196 [2024-11-27 23:28:38,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:28:38,372 INFO L471 AbstractCegarLoop]: Abstraction has 251 states and 392 transitions. [2024-11-27 23:28:38,372 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-27 23:28:38,372 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 392 transitions. [2024-11-27 23:28:38,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2024-11-27 23:28:38,375 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:28:38,375 INFO L218 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:28:38,376 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-27 23:28:38,376 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:28:38,377 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:28:38,377 INFO L85 PathProgramCache]: Analyzing trace with hash 1473357958, now seen corresponding path program 1 times [2024-11-27 23:28:38,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:28:38,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1211039639] [2024-11-27 23:28:38,377 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:28:38,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:28:38,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:30:59,437 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-11-27 23:30:59,437 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:30:59,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1211039639] [2024-11-27 23:30:59,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1211039639] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:30:59,438 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:30:59,439 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-27 23:30:59,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689501528] [2024-11-27 23:30:59,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:30:59,440 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-27 23:30:59,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:30:59,441 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-27 23:30:59,441 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2024-11-27 23:30:59,441 INFO L87 Difference]: Start difference. First operand 251 states and 392 transitions. Second operand has 8 states, 8 states have (on average 5.0) internal successors, (40), 8 states have internal predecessors, (40), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-27 23:31:02,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:31:02,648 INFO L93 Difference]: Finished difference Result 502 states and 771 transitions. [2024-11-27 23:31:02,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-27 23:31:02,649 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.0) internal successors, (40), 8 states have internal predecessors, (40), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 197 [2024-11-27 23:31:02,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:31:02,653 INFO L225 Difference]: With dead ends: 502 [2024-11-27 23:31:02,653 INFO L226 Difference]: Without dead ends: 332 [2024-11-27 23:31:02,655 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132 [2024-11-27 23:31:02,656 INFO L435 NwaCegarLoop]: 133 mSDtfsCounter, 149 mSDsluCounter, 370 mSDsCounter, 0 mSdLazyCounter, 218 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 503 SdHoareTripleChecker+Invalid, 223 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 218 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-27 23:31:02,659 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 503 Invalid, 223 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 218 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-27 23:31:02,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2024-11-27 23:31:02,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 267. [2024-11-27 23:31:02,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 267 states, 167 states have (on average 1.3652694610778444) internal successors, (228), 167 states have internal predecessors, (228), 96 states have call successors, (96), 3 states have call predecessors, (96), 3 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) [2024-11-27 23:31:02,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 420 transitions. [2024-11-27 23:31:02,735 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 420 transitions. Word has length 197 [2024-11-27 23:31:02,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:31:02,737 INFO L471 AbstractCegarLoop]: Abstraction has 267 states and 420 transitions. [2024-11-27 23:31:02,738 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.0) internal successors, (40), 8 states have internal predecessors, (40), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-27 23:31:02,738 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 420 transitions. [2024-11-27 23:31:02,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2024-11-27 23:31:02,742 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:31:02,742 INFO L218 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:31:02,742 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-27 23:31:02,743 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:31:02,743 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:31:02,745 INFO L85 PathProgramCache]: Analyzing trace with hash 300448252, now seen corresponding path program 1 times [2024-11-27 23:31:02,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:31:02,745 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042120501] [2024-11-27 23:31:02,745 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:31:02,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:31:02,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:32:20,984 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-11-27 23:32:20,985 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:32:20,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1042120501] [2024-11-27 23:32:20,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1042120501] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:32:20,985 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:32:20,985 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-27 23:32:20,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [17530276] [2024-11-27 23:32:20,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:32:20,985 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-27 23:32:20,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:32:20,986 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-27 23:32:20,987 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-27 23:32:20,987 INFO L87 Difference]: Start difference. First operand 267 states and 420 transitions. Second operand has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 7 states have internal predecessors, (40), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-27 23:32:22,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:32:22,021 INFO L93 Difference]: Finished difference Result 512 states and 794 transitions. [2024-11-27 23:32:22,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 23:32:22,022 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 7 states have internal predecessors, (40), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 197 [2024-11-27 23:32:22,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:32:22,028 INFO L225 Difference]: With dead ends: 512 [2024-11-27 23:32:22,028 INFO L226 Difference]: Without dead ends: 326 [2024-11-27 23:32:22,029 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2024-11-27 23:32:22,030 INFO L435 NwaCegarLoop]: 149 mSDtfsCounter, 88 mSDsluCounter, 379 mSDsCounter, 0 mSdLazyCounter, 202 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 528 SdHoareTripleChecker+Invalid, 203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-27 23:32:22,030 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 528 Invalid, 203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 202 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-27 23:32:22,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326 states. [2024-11-27 23:32:22,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326 to 278. [2024-11-27 23:32:22,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 278 states, 178 states have (on average 1.3820224719101124) internal successors, (246), 178 states have internal predecessors, (246), 96 states have call successors, (96), 3 states have call predecessors, (96), 3 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) [2024-11-27 23:32:22,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 438 transitions. [2024-11-27 23:32:22,081 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 438 transitions. Word has length 197 [2024-11-27 23:32:22,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:32:22,082 INFO L471 AbstractCegarLoop]: Abstraction has 278 states and 438 transitions. [2024-11-27 23:32:22,083 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 7 states have internal predecessors, (40), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-27 23:32:22,084 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 438 transitions. [2024-11-27 23:32:22,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2024-11-27 23:32:22,087 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:32:22,087 INFO L218 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:32:22,087 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-27 23:32:22,087 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:32:22,088 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:32:22,088 INFO L85 PathProgramCache]: Analyzing trace with hash -123862984, now seen corresponding path program 1 times [2024-11-27 23:32:22,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:32:22,088 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930110631] [2024-11-27 23:32:22,088 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:32:22,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:32:22,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:33:38,070 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-11-27 23:33:38,070 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:33:38,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1930110631] [2024-11-27 23:33:38,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1930110631] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:33:38,070 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:33:38,070 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-27 23:33:38,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [97369908] [2024-11-27 23:33:38,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:33:38,071 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-27 23:33:38,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:33:38,072 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-27 23:33:38,073 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-27 23:33:38,073 INFO L87 Difference]: Start difference. First operand 278 states and 438 transitions. Second operand has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 7 states have internal predecessors, (40), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-27 23:33:39,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:33:39,047 INFO L93 Difference]: Finished difference Result 600 states and 937 transitions. [2024-11-27 23:33:39,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 23:33:39,048 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 7 states have internal predecessors, (40), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 197 [2024-11-27 23:33:39,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:33:39,051 INFO L225 Difference]: With dead ends: 600 [2024-11-27 23:33:39,051 INFO L226 Difference]: Without dead ends: 325 [2024-11-27 23:33:39,053 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2024-11-27 23:33:39,053 INFO L435 NwaCegarLoop]: 123 mSDtfsCounter, 90 mSDsluCounter, 398 mSDsCounter, 0 mSdLazyCounter, 175 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 521 SdHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-27 23:33:39,054 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 521 Invalid, 177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 175 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-27 23:33:39,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2024-11-27 23:33:39,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 288. [2024-11-27 23:33:39,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 288 states, 188 states have (on average 1.3936170212765957) internal successors, (262), 188 states have internal predecessors, (262), 96 states have call successors, (96), 3 states have call predecessors, (96), 3 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) [2024-11-27 23:33:39,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 454 transitions. [2024-11-27 23:33:39,094 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 454 transitions. Word has length 197 [2024-11-27 23:33:39,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:33:39,095 INFO L471 AbstractCegarLoop]: Abstraction has 288 states and 454 transitions. [2024-11-27 23:33:39,095 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 7 states have internal predecessors, (40), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-27 23:33:39,095 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 454 transitions. [2024-11-27 23:33:39,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2024-11-27 23:33:39,100 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:33:39,100 INFO L218 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:33:39,101 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-27 23:33:39,102 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:33:39,102 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:33:39,102 INFO L85 PathProgramCache]: Analyzing trace with hash -710668998, now seen corresponding path program 1 times [2024-11-27 23:33:39,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:33:39,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [255602438] [2024-11-27 23:33:39,103 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:33:39,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:33:39,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:33:39,277 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-11-27 23:33:39,277 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:33:39,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [255602438] [2024-11-27 23:33:39,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [255602438] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:33:39,277 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:33:39,277 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 23:33:39,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1625936998] [2024-11-27 23:33:39,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:33:39,278 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:33:39,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:33:39,279 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:33:39,279 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:33:39,279 INFO L87 Difference]: Start difference. First operand 288 states and 454 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-27 23:33:39,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:33:39,326 INFO L93 Difference]: Finished difference Result 487 states and 768 transitions. [2024-11-27 23:33:39,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:33:39,327 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 197 [2024-11-27 23:33:39,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:33:39,330 INFO L225 Difference]: With dead ends: 487 [2024-11-27 23:33:39,330 INFO L226 Difference]: Without dead ends: 290 [2024-11-27 23:33:39,332 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:33:39,332 INFO L435 NwaCegarLoop]: 157 mSDtfsCounter, 68 mSDsluCounter, 117 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 274 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 23:33:39,333 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 274 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 23:33:39,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2024-11-27 23:33:39,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 288. [2024-11-27 23:33:39,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 288 states, 188 states have (on average 1.3882978723404256) internal successors, (261), 188 states have internal predecessors, (261), 96 states have call successors, (96), 3 states have call predecessors, (96), 3 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) [2024-11-27 23:33:39,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 453 transitions. [2024-11-27 23:33:39,365 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 453 transitions. Word has length 197 [2024-11-27 23:33:39,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:33:39,366 INFO L471 AbstractCegarLoop]: Abstraction has 288 states and 453 transitions. [2024-11-27 23:33:39,366 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-27 23:33:39,366 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 453 transitions. [2024-11-27 23:33:39,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2024-11-27 23:33:39,369 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:33:39,370 INFO L218 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:33:39,370 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-27 23:33:39,371 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:33:39,371 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:33:39,374 INFO L85 PathProgramCache]: Analyzing trace with hash -42978951, now seen corresponding path program 1 times [2024-11-27 23:33:39,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:33:39,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1493086575] [2024-11-27 23:33:39,377 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:33:39,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:33:39,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:33:39,458 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-11-27 23:33:39,458 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:33:39,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1493086575] [2024-11-27 23:33:39,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1493086575] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:33:39,458 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:33:39,458 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 23:33:39,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [776415161] [2024-11-27 23:33:39,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:33:39,459 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:33:39,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:33:39,459 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:33:39,459 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:33:39,459 INFO L87 Difference]: Start difference. First operand 288 states and 453 transitions. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-27 23:33:39,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:33:39,525 INFO L93 Difference]: Finished difference Result 722 states and 1119 transitions. [2024-11-27 23:33:39,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:33:39,526 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 198 [2024-11-27 23:33:39,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:33:39,529 INFO L225 Difference]: With dead ends: 722 [2024-11-27 23:33:39,530 INFO L226 Difference]: Without dead ends: 437 [2024-11-27 23:33:39,531 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 [2024-11-27 23:33:39,533 INFO L435 NwaCegarLoop]: 146 mSDtfsCounter, 75 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 255 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 23:33:39,533 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 255 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 23:33:39,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 437 states. [2024-11-27 23:33:39,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 437 to 432. [2024-11-27 23:33:39,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 432 states, 275 states have (on average 1.3127272727272727) internal successors, (361), 278 states have internal predecessors, (361), 150 states have call successors, (150), 6 states have call predecessors, (150), 6 states have return successors, (150), 147 states have call predecessors, (150), 150 states have call successors, (150) [2024-11-27 23:33:39,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 432 states and 661 transitions. [2024-11-27 23:33:39,609 INFO L78 Accepts]: Start accepts. Automaton has 432 states and 661 transitions. Word has length 198 [2024-11-27 23:33:39,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:33:39,610 INFO L471 AbstractCegarLoop]: Abstraction has 432 states and 661 transitions. [2024-11-27 23:33:39,610 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-27 23:33:39,611 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 661 transitions. [2024-11-27 23:33:39,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2024-11-27 23:33:39,615 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:33:39,616 INFO L218 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:33:39,616 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-27 23:33:39,616 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:33:39,616 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:33:39,616 INFO L85 PathProgramCache]: Analyzing trace with hash -339724833, now seen corresponding path program 1 times [2024-11-27 23:33:39,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:33:39,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [147470390] [2024-11-27 23:33:39,616 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:33:39,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:33:39,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 23:33:39,698 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1110244983] [2024-11-27 23:33:39,699 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:33:39,699 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:33:39,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d96ef7a4-a886-49c2-812a-f95cab262412/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:33:39,701 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d96ef7a4-a886-49c2-812a-f95cab262412/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:33:39,704 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d96ef7a4-a886-49c2-812a-f95cab262412/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-27 23:33:40,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:33:40,105 INFO L256 TraceCheckSpWp]: Trace formula consists of 426 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-27 23:33:40,115 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:33:41,058 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 717 proven. 72 refuted. 0 times theorem prover too weak. 1195 trivial. 0 not checked. [2024-11-27 23:33:41,059 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:33:42,310 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-11-27 23:33:42,311 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:33:42,311 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [147470390] [2024-11-27 23:33:42,312 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 23:33:42,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1110244983] [2024-11-27 23:33:42,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1110244983] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-27 23:33:42,312 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:33:42,313 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2024-11-27 23:33:42,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298274646] [2024-11-27 23:33:42,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:33:42,314 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 23:33:42,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:33:42,314 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 23:33:42,315 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-11-27 23:33:42,316 INFO L87 Difference]: Start difference. First operand 432 states and 661 transitions. Second operand has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-27 23:33:43,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:33:43,339 INFO L93 Difference]: Finished difference Result 891 states and 1363 transitions. [2024-11-27 23:33:43,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 23:33:43,340 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 198 [2024-11-27 23:33:43,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:33:43,345 INFO L225 Difference]: With dead ends: 891 [2024-11-27 23:33:43,346 INFO L226 Difference]: Without dead ends: 598 [2024-11-27 23:33:43,347 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 397 GetRequests, 386 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2024-11-27 23:33:43,348 INFO L435 NwaCegarLoop]: 121 mSDtfsCounter, 185 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 185 SdHoareTripleChecker+Valid, 322 SdHoareTripleChecker+Invalid, 207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-27 23:33:43,348 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [185 Valid, 322 Invalid, 207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-27 23:33:43,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 598 states. [2024-11-27 23:33:43,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 598 to 435. [2024-11-27 23:33:43,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 435 states, 278 states have (on average 1.316546762589928) internal successors, (366), 281 states have internal predecessors, (366), 150 states have call successors, (150), 6 states have call predecessors, (150), 6 states have return successors, (150), 147 states have call predecessors, (150), 150 states have call successors, (150) [2024-11-27 23:33:43,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 435 states and 666 transitions. [2024-11-27 23:33:43,450 INFO L78 Accepts]: Start accepts. Automaton has 435 states and 666 transitions. Word has length 198 [2024-11-27 23:33:43,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:33:43,452 INFO L471 AbstractCegarLoop]: Abstraction has 435 states and 666 transitions. [2024-11-27 23:33:43,452 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-27 23:33:43,452 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 666 transitions. [2024-11-27 23:33:43,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2024-11-27 23:33:43,454 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:33:43,454 INFO L218 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:33:43,464 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d96ef7a4-a886-49c2-812a-f95cab262412/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-27 23:33:43,654 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d96ef7a4-a886-49c2-812a-f95cab262412/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-27 23:33:43,655 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:33:43,655 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:33:43,656 INFO L85 PathProgramCache]: Analyzing trace with hash -732751843, now seen corresponding path program 1 times [2024-11-27 23:33:43,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:33:43,656 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [829404622] [2024-11-27 23:33:43,656 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:33:43,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:33:43,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 23:33:43,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [468836756] [2024-11-27 23:33:43,737 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:33:43,737 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:33:43,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d96ef7a4-a886-49c2-812a-f95cab262412/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:33:43,742 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d96ef7a4-a886-49c2-812a-f95cab262412/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:33:43,744 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d96ef7a4-a886-49c2-812a-f95cab262412/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-27 23:33:43,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:33:43,886 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 23:33:43,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:33:44,080 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-27 23:33:44,080 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-27 23:33:44,081 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-27 23:33:44,095 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d96ef7a4-a886-49c2-812a-f95cab262412/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-27 23:33:44,284 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d96ef7a4-a886-49c2-812a-f95cab262412/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:33:44,288 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:33:44,441 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-27 23:33:44,444 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.11 11:33:44 BoogieIcfgContainer [2024-11-27 23:33:44,446 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-27 23:33:44,447 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-27 23:33:44,447 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-27 23:33:44,447 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-27 23:33:44,448 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:26:20" (3/4) ... [2024-11-27 23:33:44,450 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-27 23:33:44,451 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-27 23:33:44,452 INFO L158 Benchmark]: Toolchain (without parser) took 445849.39ms. Allocated memory was 142.6MB in the beginning and 4.6GB in the end (delta: 4.5GB). Free memory was 118.1MB in the beginning and 4.2GB in the end (delta: -4.1GB). Peak memory consumption was 344.5MB. Max. memory is 16.1GB. [2024-11-27 23:33:44,455 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 142.6MB. Free memory is still 79.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 23:33:44,455 INFO L158 Benchmark]: CACSL2BoogieTranslator took 441.72ms. Allocated memory is still 142.6MB. Free memory was 117.8MB in the beginning and 101.9MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-27 23:33:44,456 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.78ms. Allocated memory is still 142.6MB. Free memory was 101.6MB in the beginning and 95.6MB in the end (delta: 6.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 23:33:44,456 INFO L158 Benchmark]: Boogie Preprocessor took 78.90ms. Allocated memory is still 142.6MB. Free memory was 95.6MB in the beginning and 83.7MB in the end (delta: 11.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 23:33:44,456 INFO L158 Benchmark]: RCFGBuilder took 831.71ms. Allocated memory is still 142.6MB. Free memory was 83.7MB in the beginning and 55.1MB in the end (delta: 28.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-27 23:33:44,457 INFO L158 Benchmark]: TraceAbstraction took 444404.19ms. Allocated memory was 142.6MB in the beginning and 4.6GB in the end (delta: 4.5GB). Free memory was 54.4MB in the beginning and 4.2GB in the end (delta: -4.2GB). Peak memory consumption was 285.8MB. Max. memory is 16.1GB. [2024-11-27 23:33:44,457 INFO L158 Benchmark]: Witness Printer took 4.47ms. Allocated memory is still 4.6GB. Free memory was 4.2GB in the beginning and 4.2GB in the end (delta: 635.6kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 23:33:44,458 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 142.6MB. Free memory is still 79.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 441.72ms. Allocated memory is still 142.6MB. Free memory was 117.8MB in the beginning and 101.9MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.78ms. Allocated memory is still 142.6MB. Free memory was 101.6MB in the beginning and 95.6MB in the end (delta: 6.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 78.90ms. Allocated memory is still 142.6MB. Free memory was 95.6MB in the beginning and 83.7MB in the end (delta: 11.9MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 831.71ms. Allocated memory is still 142.6MB. Free memory was 83.7MB in the beginning and 55.1MB in the end (delta: 28.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 444404.19ms. Allocated memory was 142.6MB in the beginning and 4.6GB in the end (delta: 4.5GB). Free memory was 54.4MB in the beginning and 4.2GB in the end (delta: -4.2GB). Peak memory consumption was 285.8MB. Max. memory is 16.1GB. * Witness Printer took 4.47ms. Allocated memory is still 4.6GB. Free memory was 4.2GB in the beginning and 4.2GB in the end (delta: 635.6kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 137, overapproximation of someBinaryFLOATComparisonOperation at line 139, overapproximation of someBinaryFLOATComparisonOperation at line 141, overapproximation of someBinaryFLOATComparisonOperation at line 149, overapproximation of someBinaryDOUBLEComparisonOperation at line 135, overapproximation of someBinaryDOUBLEComparisonOperation at line 149. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 4; [L23] unsigned char var_1_2 = 8; [L24] unsigned char var_1_3 = 50; [L25] unsigned short int var_1_4 = 1; [L26] unsigned short int var_1_5 = 16; [L27] unsigned char var_1_6 = 4; [L28] unsigned char var_1_7 = 2; [L29] unsigned char var_1_8 = 128; [L30] unsigned char var_1_9 = 0; [L31] unsigned char var_1_10 = 100; [L32] signed short int var_1_11 = 10; [L33] unsigned char var_1_12 = 1; [L34] unsigned char var_1_13 = 1; [L35] unsigned char var_1_14 = 0; [L36] signed long int var_1_15 = 128; [L37] unsigned char var_1_16 = 128; [L38] unsigned char var_1_17 = 5; [L39] double var_1_18 = 3.6; [L40] double var_1_19 = 31.45; [L41] float var_1_20 = 50.25; [L42] float var_1_21 = 9.8; [L43] float var_1_22 = 4.65; [L44] float var_1_23 = 99.65; [L45] unsigned char var_1_24 = 32; VAL [isInitial=0, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_2=8, var_1_3=50, var_1_4=1, var_1_5=16, var_1_6=4, var_1_7=2, var_1_8=128, var_1_9=0] [L153] isInitial = 1 [L154] FCALL initially() [L156] FCALL updateLastVariables() [L157] CALL updateVariables() [L95] var_1_2 = __VERIFIER_nondet_uchar() [L96] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_3=50, var_1_4=1, var_1_5=16, var_1_6=4, var_1_7=2, var_1_8=128, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_3=50, var_1_4=1, var_1_5=16, var_1_6=4, var_1_7=2, var_1_8=128, var_1_9=0] [L96] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_3=50, var_1_4=1, var_1_5=16, var_1_6=4, var_1_7=2, var_1_8=128, var_1_9=0] [L97] CALL assume_abort_if_not(var_1_2 <= 255) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_3=50, var_1_4=1, var_1_5=16, var_1_6=4, var_1_7=2, var_1_8=128, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_3=50, var_1_4=1, var_1_5=16, var_1_6=4, var_1_7=2, var_1_8=128, var_1_9=0] [L97] RET assume_abort_if_not(var_1_2 <= 255) VAL [isInitial=1, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_3=50, var_1_4=1, var_1_5=16, var_1_6=4, var_1_7=2, var_1_8=128, var_1_9=0] [L98] var_1_3 = __VERIFIER_nondet_uchar() [L99] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_4=1, var_1_5=16, var_1_6=4, var_1_7=2, var_1_8=128, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_4=1, var_1_5=16, var_1_6=4, var_1_7=2, var_1_8=128, var_1_9=0] [L99] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_4=1, var_1_5=16, var_1_6=4, var_1_7=2, var_1_8=128, var_1_9=0] [L100] CALL assume_abort_if_not(var_1_3 <= 255) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_4=1, var_1_5=16, var_1_6=4, var_1_7=2, var_1_8=128, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_4=1, var_1_5=16, var_1_6=4, var_1_7=2, var_1_8=128, var_1_9=0] [L100] RET assume_abort_if_not(var_1_3 <= 255) VAL [isInitial=1, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_4=1, var_1_5=16, var_1_6=4, var_1_7=2, var_1_8=128, var_1_9=0] [L101] var_1_4 = __VERIFIER_nondet_ushort() [L102] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_5=16, var_1_6=4, var_1_7=2, var_1_8=128, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_5=16, var_1_6=4, var_1_7=2, var_1_8=128, var_1_9=0] [L102] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_5=16, var_1_6=4, var_1_7=2, var_1_8=128, var_1_9=0] [L103] CALL assume_abort_if_not(var_1_4 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_4=256, var_1_5=16, var_1_6=4, var_1_7=2, var_1_8=128, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_4=256, var_1_5=16, var_1_6=4, var_1_7=2, var_1_8=128, var_1_9=0] [L103] RET assume_abort_if_not(var_1_4 <= 65534) VAL [isInitial=1, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_4=256, var_1_5=16, var_1_6=4, var_1_7=2, var_1_8=128, var_1_9=0] [L104] var_1_5 = __VERIFIER_nondet_ushort() [L105] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_4=256, var_1_6=4, var_1_7=2, var_1_8=128, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_4=256, var_1_6=4, var_1_7=2, var_1_8=128, var_1_9=0] [L105] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_4=256, var_1_6=4, var_1_7=2, var_1_8=128, var_1_9=0] [L106] CALL assume_abort_if_not(var_1_5 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_4=256, var_1_5=0, var_1_6=4, var_1_7=2, var_1_8=128, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_4=256, var_1_5=0, var_1_6=4, var_1_7=2, var_1_8=128, var_1_9=0] [L106] RET assume_abort_if_not(var_1_5 <= 65534) VAL [isInitial=1, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_4=256, var_1_5=0, var_1_6=4, var_1_7=2, var_1_8=128, var_1_9=0] [L107] var_1_7 = __VERIFIER_nondet_uchar() [L108] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_4=256, var_1_5=0, var_1_6=4, var_1_8=128, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_4=256, var_1_5=0, var_1_6=4, var_1_8=128, var_1_9=0] [L108] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_4=256, var_1_5=0, var_1_6=4, var_1_8=128, var_1_9=0] [L109] CALL assume_abort_if_not(var_1_7 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_4=256, var_1_5=0, var_1_6=4, var_1_7=253, var_1_8=128, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_4=256, var_1_5=0, var_1_6=4, var_1_7=253, var_1_8=128, var_1_9=0] [L109] RET assume_abort_if_not(var_1_7 <= 254) VAL [isInitial=1, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_4=256, var_1_5=0, var_1_6=4, var_1_7=253, var_1_8=128, var_1_9=0] [L110] var_1_8 = __VERIFIER_nondet_uchar() [L111] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_4=256, var_1_5=0, var_1_6=4, var_1_7=253, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_4=256, var_1_5=0, var_1_6=4, var_1_7=253, var_1_9=0] [L111] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_4=256, var_1_5=0, var_1_6=4, var_1_7=253, var_1_9=0] [L112] CALL assume_abort_if_not(var_1_8 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_4=256, var_1_5=0, var_1_6=4, var_1_7=253, var_1_8=254, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_4=256, var_1_5=0, var_1_6=4, var_1_7=253, var_1_8=254, var_1_9=0] [L112] RET assume_abort_if_not(var_1_8 <= 254) VAL [isInitial=1, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_4=256, var_1_5=0, var_1_6=4, var_1_7=253, var_1_8=254, var_1_9=0] [L113] var_1_9 = __VERIFIER_nondet_uchar() [L114] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_4=256, var_1_5=0, var_1_6=4, var_1_7=253, var_1_8=254] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_4=256, var_1_5=0, var_1_6=4, var_1_7=253, var_1_8=254] [L114] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_4=256, var_1_5=0, var_1_6=4, var_1_7=253, var_1_8=254] [L115] CALL assume_abort_if_not(var_1_9 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_4=256, var_1_5=0, var_1_6=4, var_1_7=253, var_1_8=254, var_1_9=-256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_4=256, var_1_5=0, var_1_6=4, var_1_7=253, var_1_8=254, var_1_9=-256] [L115] RET assume_abort_if_not(var_1_9 <= 254) VAL [isInitial=1, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_4=256, var_1_5=0, var_1_6=4, var_1_7=253, var_1_8=254, var_1_9=-256] [L116] var_1_10 = __VERIFIER_nondet_uchar() [L117] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_4=256, var_1_5=0, var_1_6=4, var_1_7=253, var_1_8=254, var_1_9=-256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_4=256, var_1_5=0, var_1_6=4, var_1_7=253, var_1_8=254, var_1_9=-256] [L117] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_4=256, var_1_5=0, var_1_6=4, var_1_7=253, var_1_8=254, var_1_9=-256] [L118] CALL assume_abort_if_not(var_1_10 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_10=-255, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_4=256, var_1_5=0, var_1_6=4, var_1_7=253, var_1_8=254, var_1_9=-256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-255, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_4=256, var_1_5=0, var_1_6=4, var_1_7=253, var_1_8=254, var_1_9=-256] [L118] RET assume_abort_if_not(var_1_10 <= 254) VAL [isInitial=1, var_1_10=-255, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_4=256, var_1_5=0, var_1_6=4, var_1_7=253, var_1_8=254, var_1_9=-256] [L119] var_1_12 = __VERIFIER_nondet_uchar() [L120] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-255, var_1_11=10, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_4=256, var_1_5=0, var_1_6=4, var_1_7=253, var_1_8=254, var_1_9=-256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-255, var_1_11=10, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_4=256, var_1_5=0, var_1_6=4, var_1_7=253, var_1_8=254, var_1_9=-256] [L120] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, var_1_10=-255, var_1_11=10, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_4=256, var_1_5=0, var_1_6=4, var_1_7=253, var_1_8=254, var_1_9=-256] [L121] CALL assume_abort_if_not(var_1_12 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=-255, var_1_11=10, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_4=256, var_1_5=0, var_1_6=4, var_1_7=253, var_1_8=254, var_1_9=-256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-255, var_1_11=10, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_4=256, var_1_5=0, var_1_6=4, var_1_7=253, var_1_8=254, var_1_9=-256] [L121] RET assume_abort_if_not(var_1_12 <= 1) VAL [isInitial=1, var_1_10=-255, var_1_11=10, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_4=256, var_1_5=0, var_1_6=4, var_1_7=253, var_1_8=254, var_1_9=-256] [L122] var_1_13 = __VERIFIER_nondet_uchar() [L123] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-255, var_1_11=10, var_1_12=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_4=256, var_1_5=0, var_1_6=4, var_1_7=253, var_1_8=254, var_1_9=-256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-255, var_1_11=10, var_1_12=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_4=256, var_1_5=0, var_1_6=4, var_1_7=253, var_1_8=254, var_1_9=-256] [L123] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, var_1_10=-255, var_1_11=10, var_1_12=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_4=256, var_1_5=0, var_1_6=4, var_1_7=253, var_1_8=254, var_1_9=-256] [L124] CALL assume_abort_if_not(var_1_13 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=-255, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_4=256, var_1_5=0, var_1_6=4, var_1_7=253, var_1_8=254, var_1_9=-256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-255, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_4=256, var_1_5=0, var_1_6=4, var_1_7=253, var_1_8=254, var_1_9=-256] [L124] RET assume_abort_if_not(var_1_13 <= 1) VAL [isInitial=1, var_1_10=-255, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_4=256, var_1_5=0, var_1_6=4, var_1_7=253, var_1_8=254, var_1_9=-256] [L125] var_1_14 = __VERIFIER_nondet_uchar() [L126] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-255, var_1_11=10, var_1_12=0, var_1_13=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_4=256, var_1_5=0, var_1_6=4, var_1_7=253, var_1_8=254, var_1_9=-256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-255, var_1_11=10, var_1_12=0, var_1_13=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_4=256, var_1_5=0, var_1_6=4, var_1_7=253, var_1_8=254, var_1_9=-256] [L126] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, var_1_10=-255, var_1_11=10, var_1_12=0, var_1_13=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_4=256, var_1_5=0, var_1_6=4, var_1_7=253, var_1_8=254, var_1_9=-256] [L127] CALL assume_abort_if_not(var_1_14 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=-255, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_4=256, var_1_5=0, var_1_6=4, var_1_7=253, var_1_8=254, var_1_9=-256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-255, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_4=256, var_1_5=0, var_1_6=4, var_1_7=253, var_1_8=254, var_1_9=-256] [L127] RET assume_abort_if_not(var_1_14 <= 1) VAL [isInitial=1, var_1_10=-255, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_4=256, var_1_5=0, var_1_6=4, var_1_7=253, var_1_8=254, var_1_9=-256] [L128] var_1_16 = __VERIFIER_nondet_uchar() [L129] CALL assume_abort_if_not(var_1_16 >= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=-255, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_4=256, var_1_5=0, var_1_6=4, var_1_7=253, var_1_8=254, var_1_9=-256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-255, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_4=256, var_1_5=0, var_1_6=4, var_1_7=253, var_1_8=254, var_1_9=-256] [L129] RET assume_abort_if_not(var_1_16 >= 127) VAL [isInitial=1, var_1_10=-255, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_4=256, var_1_5=0, var_1_6=4, var_1_7=253, var_1_8=254, var_1_9=-256] [L130] CALL assume_abort_if_not(var_1_16 <= 255) VAL [\old(cond)=1, isInitial=1, var_1_10=-255, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_4=256, var_1_5=0, var_1_6=4, var_1_7=253, var_1_8=254, var_1_9=-256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-255, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_4=256, var_1_5=0, var_1_6=4, var_1_7=253, var_1_8=254, var_1_9=-256] [L130] RET assume_abort_if_not(var_1_16 <= 255) VAL [isInitial=1, var_1_10=-255, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_4=256, var_1_5=0, var_1_6=4, var_1_7=253, var_1_8=254, var_1_9=-256] [L131] var_1_17 = __VERIFIER_nondet_uchar() [L132] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-255, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_4=256, var_1_5=0, var_1_6=4, var_1_7=253, var_1_8=254, var_1_9=-256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-255, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_4=256, var_1_5=0, var_1_6=4, var_1_7=253, var_1_8=254, var_1_9=-256] [L132] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, var_1_10=-255, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_4=256, var_1_5=0, var_1_6=4, var_1_7=253, var_1_8=254, var_1_9=-256] [L133] CALL assume_abort_if_not(var_1_17 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=-255, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=0, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_4=256, var_1_5=0, var_1_6=4, var_1_7=253, var_1_8=254, var_1_9=-256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-255, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=0, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_4=256, var_1_5=0, var_1_6=4, var_1_7=253, var_1_8=254, var_1_9=-256] [L133] RET assume_abort_if_not(var_1_17 <= 127) VAL [isInitial=1, var_1_10=-255, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=0, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_4=256, var_1_5=0, var_1_6=4, var_1_7=253, var_1_8=254, var_1_9=-256] [L134] var_1_19 = __VERIFIER_nondet_double() [L135] CALL assume_abort_if_not((var_1_19 >= -922337.2036854765600e+13F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 9223372.036854765600e+12F && var_1_19 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=-255, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=0, var_1_18=18/5, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_4=256, var_1_5=0, var_1_6=4, var_1_7=253, var_1_8=254, var_1_9=-256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-255, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=0, var_1_18=18/5, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_4=256, var_1_5=0, var_1_6=4, var_1_7=253, var_1_8=254, var_1_9=-256] [L135] RET assume_abort_if_not((var_1_19 >= -922337.2036854765600e+13F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 9223372.036854765600e+12F && var_1_19 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=-255, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=0, var_1_18=18/5, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_4=256, var_1_5=0, var_1_6=4, var_1_7=253, var_1_8=254, var_1_9=-256] [L136] var_1_21 = __VERIFIER_nondet_float() [L137] CALL assume_abort_if_not((var_1_21 >= -461168.6018427382800e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 4611686.018427382800e+12F && var_1_21 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=-255, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=0, var_1_18=18/5, var_1_1=4, var_1_20=201/4, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_4=256, var_1_5=0, var_1_6=4, var_1_7=253, var_1_8=254, var_1_9=-256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-255, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=0, var_1_18=18/5, var_1_1=4, var_1_20=201/4, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_4=256, var_1_5=0, var_1_6=4, var_1_7=253, var_1_8=254, var_1_9=-256] [L137] RET assume_abort_if_not((var_1_21 >= -461168.6018427382800e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 4611686.018427382800e+12F && var_1_21 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=-255, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=0, var_1_18=18/5, var_1_1=4, var_1_20=201/4, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_4=256, var_1_5=0, var_1_6=4, var_1_7=253, var_1_8=254, var_1_9=-256] [L138] var_1_22 = __VERIFIER_nondet_float() [L139] CALL assume_abort_if_not((var_1_22 >= -461168.6018427382800e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 4611686.018427382800e+12F && var_1_22 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=-255, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=0, var_1_18=18/5, var_1_1=4, var_1_20=201/4, var_1_23=1993/20, var_1_24=32, var_1_4=256, var_1_5=0, var_1_6=4, var_1_7=253, var_1_8=254, var_1_9=-256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-255, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=0, var_1_18=18/5, var_1_1=4, var_1_20=201/4, var_1_23=1993/20, var_1_24=32, var_1_4=256, var_1_5=0, var_1_6=4, var_1_7=253, var_1_8=254, var_1_9=-256] [L139] RET assume_abort_if_not((var_1_22 >= -461168.6018427382800e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 4611686.018427382800e+12F && var_1_22 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=-255, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=0, var_1_18=18/5, var_1_1=4, var_1_20=201/4, var_1_23=1993/20, var_1_24=32, var_1_4=256, var_1_5=0, var_1_6=4, var_1_7=253, var_1_8=254, var_1_9=-256] [L140] var_1_23 = __VERIFIER_nondet_float() [L141] CALL assume_abort_if_not((var_1_23 >= -461168.6018427382800e+13F && var_1_23 <= -1.0e-20F) || (var_1_23 <= 4611686.018427382800e+12F && var_1_23 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=-255, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=0, var_1_18=18/5, var_1_1=4, var_1_20=201/4, var_1_24=32, var_1_4=256, var_1_5=0, var_1_6=4, var_1_7=253, var_1_8=254, var_1_9=-256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-255, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=0, var_1_18=18/5, var_1_1=4, var_1_20=201/4, var_1_24=32, var_1_4=256, var_1_5=0, var_1_6=4, var_1_7=253, var_1_8=254, var_1_9=-256] [L141] RET assume_abort_if_not((var_1_23 >= -461168.6018427382800e+13F && var_1_23 <= -1.0e-20F) || (var_1_23 <= 4611686.018427382800e+12F && var_1_23 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=-255, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=0, var_1_18=18/5, var_1_1=4, var_1_20=201/4, var_1_24=32, var_1_4=256, var_1_5=0, var_1_6=4, var_1_7=253, var_1_8=254, var_1_9=-256] [L142] var_1_24 = __VERIFIER_nondet_uchar() [L143] CALL assume_abort_if_not(var_1_24 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-255, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=0, var_1_18=18/5, var_1_1=4, var_1_20=201/4, var_1_4=256, var_1_5=0, var_1_6=4, var_1_7=253, var_1_8=254, var_1_9=-256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-255, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=0, var_1_18=18/5, var_1_1=4, var_1_20=201/4, var_1_4=256, var_1_5=0, var_1_6=4, var_1_7=253, var_1_8=254, var_1_9=-256] [L143] RET assume_abort_if_not(var_1_24 >= 0) VAL [isInitial=1, var_1_10=-255, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=0, var_1_18=18/5, var_1_1=4, var_1_20=201/4, var_1_4=256, var_1_5=0, var_1_6=4, var_1_7=253, var_1_8=254, var_1_9=-256] [L144] CALL assume_abort_if_not(var_1_24 <= 255) VAL [\old(cond)=1, isInitial=1, var_1_10=-255, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=0, var_1_18=18/5, var_1_1=4, var_1_20=201/4, var_1_4=256, var_1_5=0, var_1_6=4, var_1_7=253, var_1_8=254, var_1_9=-256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-255, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=0, var_1_18=18/5, var_1_1=4, var_1_20=201/4, var_1_4=256, var_1_5=0, var_1_6=4, var_1_7=253, var_1_8=254, var_1_9=-256] [L144] RET assume_abort_if_not(var_1_24 <= 255) VAL [isInitial=1, var_1_10=-255, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=0, var_1_18=18/5, var_1_1=4, var_1_20=201/4, var_1_4=256, var_1_5=0, var_1_6=4, var_1_7=253, var_1_8=254, var_1_9=-256] [L157] RET updateVariables() [L158] CALL step() [L49] COND TRUE var_1_2 <= var_1_3 [L50] var_1_1 = ((((((((var_1_2) < (((((var_1_3) > (var_1_4)) ? (var_1_3) : (var_1_4))))) ? (var_1_2) : (((((var_1_3) > (var_1_4)) ? (var_1_3) : (var_1_4))))))) > (var_1_5)) ? (((((var_1_2) < (((((var_1_3) > (var_1_4)) ? (var_1_3) : (var_1_4))))) ? (var_1_2) : (((((var_1_3) > (var_1_4)) ? (var_1_3) : (var_1_4))))))) : (var_1_5))) VAL [isInitial=1, var_1_10=-255, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=0, var_1_18=18/5, var_1_1=0, var_1_20=201/4, var_1_2=0, var_1_3=255, var_1_4=256, var_1_5=0, var_1_6=4, var_1_7=253, var_1_8=254, var_1_9=-256] [L52] COND TRUE var_1_1 < 5 [L53] var_1_6 = ((((((((((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) < (var_1_9)) ? (((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) : (var_1_9)))) > (var_1_10)) ? (((((((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) < (var_1_9)) ? (((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) : (var_1_9)))) : (var_1_10))) VAL [isInitial=1, var_1_10=-255, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=0, var_1_18=18/5, var_1_1=0, var_1_20=201/4, var_1_2=0, var_1_3=255, var_1_4=256, var_1_5=0, var_1_6=1, var_1_7=253, var_1_8=254, var_1_9=-256] [L57] COND FALSE !(\read(var_1_12)) [L68] var_1_11 = var_1_2 VAL [isInitial=1, var_1_10=-255, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=0, var_1_18=18/5, var_1_1=0, var_1_20=201/4, var_1_2=0, var_1_3=255, var_1_4=256, var_1_5=0, var_1_6=1, var_1_7=253, var_1_8=254, var_1_9=-256] [L70] COND TRUE var_1_2 <= (((((128) > (var_1_16)) ? (128) : (var_1_16))) - var_1_17) [L71] var_1_15 = (((((var_1_5 - var_1_2)) > (((((var_1_8) < (var_1_7)) ? (var_1_8) : (var_1_7))))) ? ((var_1_5 - var_1_2)) : (((((var_1_8) < (var_1_7)) ? (var_1_8) : (var_1_7)))))) VAL [isInitial=1, var_1_10=-255, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=253, var_1_16=128, var_1_17=0, var_1_18=18/5, var_1_1=0, var_1_20=201/4, var_1_2=0, var_1_3=255, var_1_4=256, var_1_5=0, var_1_6=1, var_1_7=253, var_1_8=254, var_1_9=-256] [L75] EXPR 200 << var_1_1 VAL [isInitial=1, var_1_10=-255, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=253, var_1_16=128, var_1_17=0, var_1_18=18/5, var_1_1=0, var_1_20=201/4, var_1_2=0, var_1_3=255, var_1_4=256, var_1_5=0, var_1_6=1, var_1_7=253, var_1_8=254, var_1_9=-256] [L75] COND FALSE !(((200 << var_1_1) * (var_1_17 * var_1_7)) < var_1_11) [L78] COND FALSE !(\read(var_1_13)) [L91] var_1_20 = var_1_23 VAL [isInitial=1, var_1_10=-255, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=253, var_1_16=128, var_1_17=0, var_1_18=18/5, var_1_1=0, var_1_20=2, var_1_23=2, var_1_2=0, var_1_3=255, var_1_4=256, var_1_5=0, var_1_6=1, var_1_7=253, var_1_8=254, var_1_9=-256] [L158] RET step() [L159] CALL, EXPR property() [L149] EXPR (((((var_1_2 <= var_1_3) ? (var_1_1 == ((unsigned short int) ((((((((var_1_2) < (((((var_1_3) > (var_1_4)) ? (var_1_3) : (var_1_4))))) ? (var_1_2) : (((((var_1_3) > (var_1_4)) ? (var_1_3) : (var_1_4))))))) > (var_1_5)) ? (((((var_1_2) < (((((var_1_3) > (var_1_4)) ? (var_1_3) : (var_1_4))))) ? (var_1_2) : (((((var_1_3) > (var_1_4)) ? (var_1_3) : (var_1_4))))))) : (var_1_5))))) : 1) && ((var_1_1 < 5) ? (var_1_6 == ((unsigned char) ((((((((((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) < (var_1_9)) ? (((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) : (var_1_9)))) > (var_1_10)) ? (((((((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) < (var_1_9)) ? (((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) : (var_1_9)))) : (var_1_10))))) : (var_1_6 == ((unsigned char) var_1_10)))) && (var_1_12 ? (var_1_13 ? (((var_1_4 > (~ var_1_10)) && var_1_14) ? (var_1_11 == ((signed short int) ((((var_1_8) > ((var_1_10 + var_1_6))) ? (var_1_8) : ((var_1_10 + var_1_6)))))) : (var_1_11 == ((signed short int) var_1_3))) : (var_1_11 == ((signed short int) var_1_8))) : (var_1_11 == ((signed short int) var_1_2)))) && ((var_1_2 <= (((((128) > (var_1_16)) ? (128) : (var_1_16))) - var_1_17)) ? (var_1_15 == ((signed long int) (((((var_1_5 - var_1_2)) > (((((var_1_8) < (var_1_7)) ? (var_1_8) : (var_1_7))))) ? ((var_1_5 - var_1_2)) : (((((var_1_8) < (var_1_7)) ? (var_1_8) : (var_1_7)))))))) : (var_1_15 == ((signed long int) var_1_6)))) && ((((200 << var_1_1) * (var_1_17 * var_1_7)) < var_1_11) ? (var_1_18 == ((double) var_1_19)) : 1) VAL [isInitial=1, var_1_10=-255, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=253, var_1_16=128, var_1_17=0, var_1_18=18/5, var_1_1=0, var_1_20=2, var_1_23=2, var_1_2=0, var_1_3=255, var_1_4=256, var_1_5=0, var_1_6=1, var_1_7=253, var_1_8=254, var_1_9=-256] [L149] EXPR 200 << var_1_1 VAL [isInitial=1, var_1_10=-255, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=253, var_1_16=128, var_1_17=0, var_1_18=18/5, var_1_1=0, var_1_20=2, var_1_23=2, var_1_2=0, var_1_3=255, var_1_4=256, var_1_5=0, var_1_6=1, var_1_7=253, var_1_8=254, var_1_9=-256] [L149] EXPR (((((var_1_2 <= var_1_3) ? (var_1_1 == ((unsigned short int) ((((((((var_1_2) < (((((var_1_3) > (var_1_4)) ? (var_1_3) : (var_1_4))))) ? (var_1_2) : (((((var_1_3) > (var_1_4)) ? (var_1_3) : (var_1_4))))))) > (var_1_5)) ? (((((var_1_2) < (((((var_1_3) > (var_1_4)) ? (var_1_3) : (var_1_4))))) ? (var_1_2) : (((((var_1_3) > (var_1_4)) ? (var_1_3) : (var_1_4))))))) : (var_1_5))))) : 1) && ((var_1_1 < 5) ? (var_1_6 == ((unsigned char) ((((((((((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) < (var_1_9)) ? (((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) : (var_1_9)))) > (var_1_10)) ? (((((((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) < (var_1_9)) ? (((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) : (var_1_9)))) : (var_1_10))))) : (var_1_6 == ((unsigned char) var_1_10)))) && (var_1_12 ? (var_1_13 ? (((var_1_4 > (~ var_1_10)) && var_1_14) ? (var_1_11 == ((signed short int) ((((var_1_8) > ((var_1_10 + var_1_6))) ? (var_1_8) : ((var_1_10 + var_1_6)))))) : (var_1_11 == ((signed short int) var_1_3))) : (var_1_11 == ((signed short int) var_1_8))) : (var_1_11 == ((signed short int) var_1_2)))) && ((var_1_2 <= (((((128) > (var_1_16)) ? (128) : (var_1_16))) - var_1_17)) ? (var_1_15 == ((signed long int) (((((var_1_5 - var_1_2)) > (((((var_1_8) < (var_1_7)) ? (var_1_8) : (var_1_7))))) ? ((var_1_5 - var_1_2)) : (((((var_1_8) < (var_1_7)) ? (var_1_8) : (var_1_7)))))))) : (var_1_15 == ((signed long int) var_1_6)))) && ((((200 << var_1_1) * (var_1_17 * var_1_7)) < var_1_11) ? (var_1_18 == ((double) var_1_19)) : 1) VAL [isInitial=1, var_1_10=-255, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=253, var_1_16=128, var_1_17=0, var_1_18=18/5, var_1_1=0, var_1_20=2, var_1_23=2, var_1_2=0, var_1_3=255, var_1_4=256, var_1_5=0, var_1_6=1, var_1_7=253, var_1_8=254, var_1_9=-256] [L149-L150] return ((((((var_1_2 <= var_1_3) ? (var_1_1 == ((unsigned short int) ((((((((var_1_2) < (((((var_1_3) > (var_1_4)) ? (var_1_3) : (var_1_4))))) ? (var_1_2) : (((((var_1_3) > (var_1_4)) ? (var_1_3) : (var_1_4))))))) > (var_1_5)) ? (((((var_1_2) < (((((var_1_3) > (var_1_4)) ? (var_1_3) : (var_1_4))))) ? (var_1_2) : (((((var_1_3) > (var_1_4)) ? (var_1_3) : (var_1_4))))))) : (var_1_5))))) : 1) && ((var_1_1 < 5) ? (var_1_6 == ((unsigned char) ((((((((((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) < (var_1_9)) ? (((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) : (var_1_9)))) > (var_1_10)) ? (((((((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) < (var_1_9)) ? (((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) : (var_1_9)))) : (var_1_10))))) : (var_1_6 == ((unsigned char) var_1_10)))) && (var_1_12 ? (var_1_13 ? (((var_1_4 > (~ var_1_10)) && var_1_14) ? (var_1_11 == ((signed short int) ((((var_1_8) > ((var_1_10 + var_1_6))) ? (var_1_8) : ((var_1_10 + var_1_6)))))) : (var_1_11 == ((signed short int) var_1_3))) : (var_1_11 == ((signed short int) var_1_8))) : (var_1_11 == ((signed short int) var_1_2)))) && ((var_1_2 <= (((((128) > (var_1_16)) ? (128) : (var_1_16))) - var_1_17)) ? (var_1_15 == ((signed long int) (((((var_1_5 - var_1_2)) > (((((var_1_8) < (var_1_7)) ? (var_1_8) : (var_1_7))))) ? ((var_1_5 - var_1_2)) : (((((var_1_8) < (var_1_7)) ? (var_1_8) : (var_1_7)))))))) : (var_1_15 == ((signed long int) var_1_6)))) && ((((200 << var_1_1) * (var_1_17 * var_1_7)) < var_1_11) ? (var_1_18 == ((double) var_1_19)) : 1)) && (var_1_13 ? (var_1_14 ? (var_1_12 ? (var_1_20 == ((float) (var_1_21 + ((((var_1_22) > (var_1_23)) ? (var_1_22) : (var_1_23)))))) : 1) : ((var_1_24 <= 0) ? (var_1_20 == ((float) var_1_19)) : (var_1_20 == ((float) var_1_22)))) : (var_1_20 == ((float) var_1_23))) ; [L159] RET, EXPR property() [L159] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=-255, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=253, var_1_16=128, var_1_17=0, var_1_18=18/5, var_1_1=0, var_1_20=2, var_1_23=2, var_1_24=0, var_1_2=0, var_1_3=255, var_1_4=256, var_1_5=0, var_1_6=1, var_1_7=253, var_1_8=254, var_1_9=-256] [L19] reach_error() VAL [isInitial=1, var_1_10=-255, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=253, var_1_16=128, var_1_17=0, var_1_18=18/5, var_1_1=0, var_1_20=2, var_1_23=2, var_1_24=0, var_1_2=0, var_1_3=255, var_1_4=256, var_1_5=0, var_1_6=1, var_1_7=253, var_1_8=254, var_1_9=-256] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 87 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 444.1s, OverallIterations: 11, TraceHistogramMax: 32, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 8.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 932 SdHoareTripleChecker+Valid, 4.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 932 mSDsluCounter, 3714 SdHoareTripleChecker+Invalid, 3.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2231 mSDsCounter, 25 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1047 IncrementalHoareTripleChecker+Invalid, 1072 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 25 mSolverCounterUnsat, 1483 mSDtfsCounter, 1047 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 649 GetRequests, 606 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 9.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=435occurred in iteration=10, InterpolantAutomatonStates: 52, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 10 MinimizatonAttempts, 460 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 432.3s InterpolantComputationTime, 2758 NumberOfCodeBlocks, 2758 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 2350 ConstructedInterpolants, 5 QuantifiedInterpolants, 17227 SizeOfPredicates, 13 NumberOfNonLiveVariables, 847 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 12 InterpolantComputations, 10 PerfectInterpolantSequences, 23674/23808 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-27 23:33:44,675 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d96ef7a4-a886-49c2-812a-f95cab262412/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forcibly destroying the process [2024-11-27 23:33:44,733 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d96ef7a4-a886-49c2-812a-f95cab262412/bin/uautomizer-verify-aQ6SnzHsRB/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_d96ef7a4-a886-49c2-812a-f95cab262412/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d96ef7a4-a886-49c2-812a-f95cab262412/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d96ef7a4-a886-49c2-812a-f95cab262412/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d96ef7a4-a886-49c2-812a-f95cab262412/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-28.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d96ef7a4-a886-49c2-812a-f95cab262412/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d96ef7a4-a886-49c2-812a-f95cab262412/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 49a7910a640b9ef8dea3798033f5d3f27279f235dab211562519047fb85b8da0 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 23:33:47,408 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 23:33:47,547 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d96ef7a4-a886-49c2-812a-f95cab262412/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-27 23:33:47,555 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 23:33:47,556 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 23:33:47,604 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 23:33:47,605 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 23:33:47,607 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 23:33:47,607 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-27 23:33:47,608 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-27 23:33:47,608 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 23:33:47,608 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 23:33:47,609 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 23:33:47,609 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 23:33:47,610 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 23:33:47,610 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 23:33:47,610 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-27 23:33:47,611 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-27 23:33:47,611 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-27 23:33:47,611 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 23:33:47,611 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-27 23:33:47,611 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 23:33:47,612 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-27 23:33:47,612 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-27 23:33:47,612 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-27 23:33:47,612 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-27 23:33:47,612 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-27 23:33:47,612 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 23:33:47,612 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 23:33:47,613 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 23:33:47,613 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-27 23:33:47,613 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 23:33:47,613 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 23:33:47,613 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 23:33:47,614 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 23:33:47,614 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 23:33:47,614 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 23:33:47,614 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 23:33:47,615 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 23:33:47,615 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 23:33:47,615 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 23:33:47,615 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 23:33:47,615 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-27 23:33:47,615 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-27 23:33:47,615 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-27 23:33:47,615 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-27 23:33:47,615 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 23:33:47,615 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-27 23:33:47,616 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-27 23:33:47,616 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-27 23:33:47,616 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_d96ef7a4-a886-49c2-812a-f95cab262412/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 49a7910a640b9ef8dea3798033f5d3f27279f235dab211562519047fb85b8da0 [2024-11-27 23:33:47,955 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 23:33:47,964 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 23:33:47,967 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 23:33:47,970 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 23:33:47,971 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 23:33:47,972 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d96ef7a4-a886-49c2-812a-f95cab262412/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-28.i [2024-11-27 23:33:50,945 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d96ef7a4-a886-49c2-812a-f95cab262412/bin/uautomizer-verify-aQ6SnzHsRB/data/762bd7308/ec7384f2ecfd492796bbdec10606b48a/FLAGa64fc1ecb [2024-11-27 23:33:51,282 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 23:33:51,286 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d96ef7a4-a886-49c2-812a-f95cab262412/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-28.i [2024-11-27 23:33:51,296 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d96ef7a4-a886-49c2-812a-f95cab262412/bin/uautomizer-verify-aQ6SnzHsRB/data/762bd7308/ec7384f2ecfd492796bbdec10606b48a/FLAGa64fc1ecb [2024-11-27 23:33:51,547 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d96ef7a4-a886-49c2-812a-f95cab262412/bin/uautomizer-verify-aQ6SnzHsRB/data/762bd7308/ec7384f2ecfd492796bbdec10606b48a [2024-11-27 23:33:51,549 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 23:33:51,552 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 23:33:51,553 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 23:33:51,554 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 23:33:51,558 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 23:33:51,559 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:33:51" (1/1) ... [2024-11-27 23:33:51,562 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@331a016a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:33:51, skipping insertion in model container [2024-11-27 23:33:51,562 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:33:51" (1/1) ... [2024-11-27 23:33:51,585 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 23:33:51,763 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_d96ef7a4-a886-49c2-812a-f95cab262412/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-28.i[913,926] [2024-11-27 23:33:51,876 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 23:33:51,903 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 23:33:51,919 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_d96ef7a4-a886-49c2-812a-f95cab262412/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-28.i[913,926] [2024-11-27 23:33:51,988 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 23:33:52,011 INFO L204 MainTranslator]: Completed translation [2024-11-27 23:33:52,011 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:33:52 WrapperNode [2024-11-27 23:33:52,012 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 23:33:52,012 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 23:33:52,013 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 23:33:52,013 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 23:33:52,021 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:33:52" (1/1) ... [2024-11-27 23:33:52,039 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:33:52" (1/1) ... [2024-11-27 23:33:52,073 INFO L138 Inliner]: procedures = 27, calls = 45, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 168 [2024-11-27 23:33:52,074 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 23:33:52,074 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 23:33:52,075 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 23:33:52,075 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 23:33:52,085 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:33:52" (1/1) ... [2024-11-27 23:33:52,085 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:33:52" (1/1) ... [2024-11-27 23:33:52,089 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:33:52" (1/1) ... [2024-11-27 23:33:52,110 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-27 23:33:52,110 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:33:52" (1/1) ... [2024-11-27 23:33:52,110 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:33:52" (1/1) ... [2024-11-27 23:33:52,125 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:33:52" (1/1) ... [2024-11-27 23:33:52,130 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:33:52" (1/1) ... [2024-11-27 23:33:52,138 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:33:52" (1/1) ... [2024-11-27 23:33:52,142 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:33:52" (1/1) ... [2024-11-27 23:33:52,144 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:33:52" (1/1) ... [2024-11-27 23:33:52,151 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 23:33:52,153 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 23:33:52,154 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 23:33:52,155 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 23:33:52,156 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:33:52" (1/1) ... [2024-11-27 23:33:52,162 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 23:33:52,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d96ef7a4-a886-49c2-812a-f95cab262412/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:33:52,191 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d96ef7a4-a886-49c2-812a-f95cab262412/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-27 23:33:52,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d96ef7a4-a886-49c2-812a-f95cab262412/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-27 23:33:52,226 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 23:33:52,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-27 23:33:52,227 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-27 23:33:52,227 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-27 23:33:52,227 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 23:33:52,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 23:33:52,312 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 23:33:52,314 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 23:33:53,543 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-27 23:33:53,543 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 23:33:53,555 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 23:33:53,555 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-27 23:33:53,555 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:33:53 BoogieIcfgContainer [2024-11-27 23:33:53,556 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 23:33:53,558 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 23:33:53,558 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 23:33:53,564 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 23:33:53,564 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 11:33:51" (1/3) ... [2024-11-27 23:33:53,565 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e325f08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:33:53, skipping insertion in model container [2024-11-27 23:33:53,565 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:33:52" (2/3) ... [2024-11-27 23:33:53,565 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e325f08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:33:53, skipping insertion in model container [2024-11-27 23:33:53,565 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:33:53" (3/3) ... [2024-11-27 23:33:53,567 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-28.i [2024-11-27 23:33:53,582 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 23:33:53,583 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_codestructure_normal_file-28.i that has 2 procedures, 80 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-27 23:33:53,647 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-27 23:33:53,659 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;@79617762, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 23:33:53,659 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-27 23:33:53,664 INFO L276 IsEmpty]: Start isEmpty. Operand has 80 states, 45 states have (on average 1.3555555555555556) internal successors, (61), 46 states have internal predecessors, (61), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-27 23:33:53,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-11-27 23:33:53,678 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:33:53,679 INFO L218 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:33:53,680 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:33:53,685 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:33:53,686 INFO L85 PathProgramCache]: Analyzing trace with hash -1311173460, now seen corresponding path program 1 times [2024-11-27 23:33:53,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:33:53,698 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [608643352] [2024-11-27 23:33:53,698 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:33:53,699 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:33:53,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d96ef7a4-a886-49c2-812a-f95cab262412/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:33:53,701 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d96ef7a4-a886-49c2-812a-f95cab262412/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-27 23:33:53,705 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d96ef7a4-a886-49c2-812a-f95cab262412/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-27 23:33:54,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:33:54,152 INFO L256 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-27 23:33:54,165 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:33:54,258 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 734 proven. 0 refuted. 0 times theorem prover too weak. 1250 trivial. 0 not checked. [2024-11-27 23:33:54,259 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:33:54,259 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 23:33:54,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [608643352] [2024-11-27 23:33:54,260 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [608643352] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:33:54,260 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:33:54,260 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 23:33:54,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83334661] [2024-11-27 23:33:54,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:33:54,269 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-27 23:33:54,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 23:33:54,295 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-27 23:33:54,296 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-27 23:33:54,297 INFO L87 Difference]: Start difference. First operand has 80 states, 45 states have (on average 1.3555555555555556) internal successors, (61), 46 states have internal predecessors, (61), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) Second operand has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-11-27 23:33:54,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:33:54,326 INFO L93 Difference]: Finished difference Result 153 states and 276 transitions. [2024-11-27 23:33:54,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 23:33:54,328 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 193 [2024-11-27 23:33:54,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:33:54,338 INFO L225 Difference]: With dead ends: 153 [2024-11-27 23:33:54,338 INFO L226 Difference]: Without dead ends: 76 [2024-11-27 23:33:54,342 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 192 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-27 23:33:54,345 INFO L435 NwaCegarLoop]: 118 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, 118 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 23:33:54,346 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 23:33:54,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2024-11-27 23:33:54,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2024-11-27 23:33:54,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 42 states have (on average 1.2857142857142858) internal successors, (54), 42 states have internal predecessors, (54), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-27 23:33:54,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 118 transitions. [2024-11-27 23:33:54,393 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 118 transitions. Word has length 193 [2024-11-27 23:33:54,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:33:54,393 INFO L471 AbstractCegarLoop]: Abstraction has 76 states and 118 transitions. [2024-11-27 23:33:54,394 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-11-27 23:33:54,394 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-27 23:33:54,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-11-27 23:33:54,398 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:33:54,398 INFO L218 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:33:54,408 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d96ef7a4-a886-49c2-812a-f95cab262412/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-27 23:33:54,602 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d96ef7a4-a886-49c2-812a-f95cab262412/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:33:54,603 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:33:54,603 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:33:54,603 INFO L85 PathProgramCache]: Analyzing trace with hash 1040710580, now seen corresponding path program 1 times [2024-11-27 23:33:54,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:33:54,605 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1302240467] [2024-11-27 23:33:54,605 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:33:54,605 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:33:54,605 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d96ef7a4-a886-49c2-812a-f95cab262412/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:33:54,607 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d96ef7a4-a886-49c2-812a-f95cab262412/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-27 23:33:54,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d96ef7a4-a886-49c2-812a-f95cab262412/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-27 23:33:55,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:33:55,052 INFO L256 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-27 23:33:55,065 INFO L279 TraceCheckSpWp]: Computing forward predicates...