./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-46.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_78e38f4f-92da-441a-bb79-d645372216f2/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78e38f4f-92da-441a-bb79-d645372216f2/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_78e38f4f-92da-441a-bb79-d645372216f2/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78e38f4f-92da-441a-bb79-d645372216f2/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-46.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78e38f4f-92da-441a-bb79-d645372216f2/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_78e38f4f-92da-441a-bb79-d645372216f2/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 7524697c66e1a4ecd762521f8a604e650820f18fffb82d104752941738ae4cd5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 02:50:46,095 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 02:50:46,201 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78e38f4f-92da-441a-bb79-d645372216f2/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-28 02:50:46,208 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 02:50:46,208 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 02:50:46,239 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 02:50:46,240 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 02:50:46,240 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 02:50:46,241 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 02:50:46,241 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 02:50:46,241 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 02:50:46,241 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 02:50:46,242 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 02:50:46,242 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 02:50:46,242 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 02:50:46,242 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 02:50:46,243 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 02:50:46,243 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 02:50:46,243 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 02:50:46,243 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 02:50:46,243 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 02:50:46,244 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 02:50:46,244 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 02:50:46,244 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 02:50:46,244 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 02:50:46,244 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 02:50:46,245 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 02:50:46,245 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 02:50:46,245 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 02:50:46,245 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:50:46,245 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:50:46,246 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:50:46,246 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:50:46,246 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 02:50:46,246 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:50:46,246 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:50:46,246 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:50:46,247 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:50:46,247 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 02:50:46,247 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 02:50:46,247 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 02:50:46,247 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 02:50:46,247 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 02:50:46,248 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 02:50:46,248 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 02:50:46,248 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 02:50:46,248 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 02:50:46,248 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 02:50:46,248 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_78e38f4f-92da-441a-bb79-d645372216f2/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 -> 7524697c66e1a4ecd762521f8a604e650820f18fffb82d104752941738ae4cd5 [2024-11-28 02:50:46,629 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 02:50:46,639 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 02:50:46,642 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 02:50:46,643 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 02:50:46,644 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 02:50:46,645 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78e38f4f-92da-441a-bb79-d645372216f2/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-46.i [2024-11-28 02:50:50,158 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78e38f4f-92da-441a-bb79-d645372216f2/bin/uautomizer-verify-aQ6SnzHsRB/data/3530d85ae/49a5538b214a4f8d8a48a53e4c8570bf/FLAG097c1b349 [2024-11-28 02:50:50,547 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 02:50:50,548 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78e38f4f-92da-441a-bb79-d645372216f2/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-46.i [2024-11-28 02:50:50,557 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78e38f4f-92da-441a-bb79-d645372216f2/bin/uautomizer-verify-aQ6SnzHsRB/data/3530d85ae/49a5538b214a4f8d8a48a53e4c8570bf/FLAG097c1b349 [2024-11-28 02:50:50,574 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78e38f4f-92da-441a-bb79-d645372216f2/bin/uautomizer-verify-aQ6SnzHsRB/data/3530d85ae/49a5538b214a4f8d8a48a53e4c8570bf [2024-11-28 02:50:50,577 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 02:50:50,579 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 02:50:50,580 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 02:50:50,581 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 02:50:50,586 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 02:50:50,586 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:50:50" (1/1) ... [2024-11-28 02:50:50,587 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@89ca38e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:50:50, skipping insertion in model container [2024-11-28 02:50:50,588 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:50:50" (1/1) ... [2024-11-28 02:50:50,609 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 02:50:50,800 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_78e38f4f-92da-441a-bb79-d645372216f2/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-46.i[917,930] [2024-11-28 02:50:50,904 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:50:50,921 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 02:50:50,937 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_78e38f4f-92da-441a-bb79-d645372216f2/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-46.i[917,930] [2024-11-28 02:50:51,009 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:50:51,035 INFO L204 MainTranslator]: Completed translation [2024-11-28 02:50:51,035 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:50:51 WrapperNode [2024-11-28 02:50:51,036 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 02:50:51,037 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 02:50:51,037 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 02:50:51,037 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 02:50:51,045 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:50:51" (1/1) ... [2024-11-28 02:50:51,056 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:50:51" (1/1) ... [2024-11-28 02:50:51,126 INFO L138 Inliner]: procedures = 26, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 176 [2024-11-28 02:50:51,128 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 02:50:51,129 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 02:50:51,129 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 02:50:51,129 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 02:50:51,149 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:50:51" (1/1) ... [2024-11-28 02:50:51,149 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:50:51" (1/1) ... [2024-11-28 02:50:51,153 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:50:51" (1/1) ... [2024-11-28 02:50:51,173 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-28 02:50:51,173 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:50:51" (1/1) ... [2024-11-28 02:50:51,173 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:50:51" (1/1) ... [2024-11-28 02:50:51,185 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:50:51" (1/1) ... [2024-11-28 02:50:51,186 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:50:51" (1/1) ... [2024-11-28 02:50:51,190 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:50:51" (1/1) ... [2024-11-28 02:50:51,193 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:50:51" (1/1) ... [2024-11-28 02:50:51,195 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:50:51" (1/1) ... [2024-11-28 02:50:51,199 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 02:50:51,200 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 02:50:51,200 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 02:50:51,200 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 02:50:51,201 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:50:51" (1/1) ... [2024-11-28 02:50:51,208 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:50:51,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78e38f4f-92da-441a-bb79-d645372216f2/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:50:51,248 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78e38f4f-92da-441a-bb79-d645372216f2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 02:50:51,256 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78e38f4f-92da-441a-bb79-d645372216f2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 02:50:51,283 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 02:50:51,284 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 02:50:51,284 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 02:50:51,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 02:50:51,285 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 02:50:51,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 02:50:51,398 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 02:50:51,400 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 02:50:51,992 INFO L? ?]: Removed 13 outVars from TransFormulas that were not future-live. [2024-11-28 02:50:51,992 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 02:50:52,005 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 02:50:52,005 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 02:50:52,006 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:50:52 BoogieIcfgContainer [2024-11-28 02:50:52,006 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 02:50:52,009 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 02:50:52,009 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 02:50:52,015 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 02:50:52,015 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:50:50" (1/3) ... [2024-11-28 02:50:52,016 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2dbfc9db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:50:52, skipping insertion in model container [2024-11-28 02:50:52,016 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:50:51" (2/3) ... [2024-11-28 02:50:52,016 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2dbfc9db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:50:52, skipping insertion in model container [2024-11-28 02:50:52,017 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:50:52" (3/3) ... [2024-11-28 02:50:52,018 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-46.i [2024-11-28 02:50:52,036 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 02:50:52,038 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_codestructure_steplocals_file-46.i that has 2 procedures, 76 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 02:50:52,118 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 02:50:52,135 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;@776de585, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 02:50:52,136 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 02:50:52,142 INFO L276 IsEmpty]: Start isEmpty. Operand has 76 states, 51 states have (on average 1.411764705882353) internal successors, (72), 52 states have internal predecessors, (72), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-28 02:50:52,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-28 02:50:52,160 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:50:52,164 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:50:52,164 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:50:52,172 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:50:52,173 INFO L85 PathProgramCache]: Analyzing trace with hash -805995562, now seen corresponding path program 1 times [2024-11-28 02:50:52,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:50:52,185 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1294101595] [2024-11-28 02:50:52,185 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:50:52,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:50:52,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:50:52,632 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 882 trivial. 0 not checked. [2024-11-28 02:50:52,633 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:50:52,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1294101595] [2024-11-28 02:50:52,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1294101595] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:50:52,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [755442686] [2024-11-28 02:50:52,634 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:50:52,634 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:50:52,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78e38f4f-92da-441a-bb79-d645372216f2/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:50:52,637 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78e38f4f-92da-441a-bb79-d645372216f2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:50:52,640 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78e38f4f-92da-441a-bb79-d645372216f2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 02:50:52,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:50:52,884 INFO L256 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 02:50:52,903 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:50:52,961 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 882 trivial. 0 not checked. [2024-11-28 02:50:52,961 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:50:52,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [755442686] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:50:52,961 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:50:52,962 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-28 02:50:52,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48034198] [2024-11-28 02:50:52,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:50:52,972 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 02:50:52,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:50:53,000 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 02:50:53,001 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 02:50:53,003 INFO L87 Difference]: Start difference. First operand has 76 states, 51 states have (on average 1.411764705882353) internal successors, (72), 52 states have internal predecessors, (72), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-28 02:50:53,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:50:53,051 INFO L93 Difference]: Finished difference Result 145 states and 248 transitions. [2024-11-28 02:50:53,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 02:50:53,055 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) Word has length 141 [2024-11-28 02:50:53,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:50:53,062 INFO L225 Difference]: With dead ends: 145 [2024-11-28 02:50:53,063 INFO L226 Difference]: Without dead ends: 72 [2024-11-28 02:50:53,067 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 02:50:53,070 INFO L435 NwaCegarLoop]: 107 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, 107 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:50:53,071 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:50:53,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2024-11-28 02:50:53,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2024-11-28 02:50:53,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 48 states have (on average 1.3125) internal successors, (63), 48 states have internal predecessors, (63), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-28 02:50:53,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 107 transitions. [2024-11-28 02:50:53,118 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 107 transitions. Word has length 141 [2024-11-28 02:50:53,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:50:53,118 INFO L471 AbstractCegarLoop]: Abstraction has 72 states and 107 transitions. [2024-11-28 02:50:53,119 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-28 02:50:53,119 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 107 transitions. [2024-11-28 02:50:53,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-28 02:50:53,123 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:50:53,123 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:50:53,133 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78e38f4f-92da-441a-bb79-d645372216f2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-28 02:50:53,327 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78e38f4f-92da-441a-bb79-d645372216f2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-28 02:50:53,327 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:50:53,328 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:50:53,328 INFO L85 PathProgramCache]: Analyzing trace with hash -103296540, now seen corresponding path program 1 times [2024-11-28 02:50:53,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:50:53,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638825312] [2024-11-28 02:50:53,328 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:50:53,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:50:53,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:51:09,069 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-28 02:51:09,069 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:51:09,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [638825312] [2024-11-28 02:51:09,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [638825312] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:51:09,070 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:51:09,070 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-28 02:51:09,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029340486] [2024-11-28 02:51:09,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:51:09,074 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 02:51:09,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:51:09,075 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 02:51:09,075 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-28 02:51:09,075 INFO L87 Difference]: Start difference. First operand 72 states and 107 transitions. Second operand has 7 states, 7 states have (on average 5.0) internal successors, (35), 7 states have internal predecessors, (35), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-28 02:51:13,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:51:13,768 INFO L93 Difference]: Finished difference Result 231 states and 334 transitions. [2024-11-28 02:51:13,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 02:51:13,769 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.0) internal successors, (35), 7 states have internal predecessors, (35), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 142 [2024-11-28 02:51:13,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:51:13,772 INFO L225 Difference]: With dead ends: 231 [2024-11-28 02:51:13,773 INFO L226 Difference]: Without dead ends: 162 [2024-11-28 02:51:13,774 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2024-11-28 02:51:13,775 INFO L435 NwaCegarLoop]: 116 mSDtfsCounter, 208 mSDsluCounter, 282 mSDsCounter, 0 mSdLazyCounter, 162 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 208 SdHoareTripleChecker+Valid, 398 SdHoareTripleChecker+Invalid, 164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2024-11-28 02:51:13,775 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [208 Valid, 398 Invalid, 164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 162 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2024-11-28 02:51:13,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2024-11-28 02:51:13,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 96. [2024-11-28 02:51:13,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 67 states have (on average 1.328358208955224) internal successors, (89), 68 states have internal predecessors, (89), 26 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 25 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-28 02:51:13,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 141 transitions. [2024-11-28 02:51:13,811 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 141 transitions. Word has length 142 [2024-11-28 02:51:13,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:51:13,812 INFO L471 AbstractCegarLoop]: Abstraction has 96 states and 141 transitions. [2024-11-28 02:51:13,812 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.0) internal successors, (35), 7 states have internal predecessors, (35), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-28 02:51:13,812 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 141 transitions. [2024-11-28 02:51:13,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-28 02:51:13,815 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:51:13,815 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:51:13,816 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 02:51:13,816 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:51:13,817 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:51:13,817 INFO L85 PathProgramCache]: Analyzing trace with hash 154868898, now seen corresponding path program 1 times [2024-11-28 02:51:13,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:51:13,817 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1594515266] [2024-11-28 02:51:13,817 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:51:13,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:51:13,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 02:51:13,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1663150567] [2024-11-28 02:51:13,938 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:51:13,938 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:51:13,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78e38f4f-92da-441a-bb79-d645372216f2/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:51:13,941 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78e38f4f-92da-441a-bb79-d645372216f2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:51:13,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78e38f4f-92da-441a-bb79-d645372216f2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 02:51:14,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:51:14,236 INFO L256 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-28 02:51:14,248 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:51:17,540 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 474 proven. 246 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2024-11-28 02:51:17,540 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:51:24,429 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 51 proven. 72 refuted. 0 times theorem prover too weak. 801 trivial. 0 not checked. [2024-11-28 02:51:24,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:51:24,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1594515266] [2024-11-28 02:51:24,430 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 02:51:24,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1663150567] [2024-11-28 02:51:24,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1663150567] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 02:51:24,430 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 02:51:24,430 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 12] total 32 [2024-11-28 02:51:24,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915269464] [2024-11-28 02:51:24,431 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 02:51:24,435 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-11-28 02:51:24,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:51:24,437 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-11-28 02:51:24,441 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=303, Invalid=689, Unknown=0, NotChecked=0, Total=992 [2024-11-28 02:51:24,442 INFO L87 Difference]: Start difference. First operand 96 states and 141 transitions. Second operand has 32 states, 32 states have (on average 2.65625) internal successors, (85), 30 states have internal predecessors, (85), 10 states have call successors, (39), 7 states have call predecessors, (39), 12 states have return successors, (41), 10 states have call predecessors, (41), 10 states have call successors, (41) [2024-11-28 02:51:33,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:51:33,838 INFO L93 Difference]: Finished difference Result 446 states and 572 transitions. [2024-11-28 02:51:33,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2024-11-28 02:51:33,841 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 32 states have (on average 2.65625) internal successors, (85), 30 states have internal predecessors, (85), 10 states have call successors, (39), 7 states have call predecessors, (39), 12 states have return successors, (41), 10 states have call predecessors, (41), 10 states have call successors, (41) Word has length 142 [2024-11-28 02:51:33,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:51:33,847 INFO L225 Difference]: With dead ends: 446 [2024-11-28 02:51:33,847 INFO L226 Difference]: Without dead ends: 360 [2024-11-28 02:51:33,854 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 367 GetRequests, 257 SyntacticMatches, 1 SemanticMatches, 109 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4373 ImplicationChecksByTransitivity, 9.3s TimeCoverageRelationStatistics Valid=2770, Invalid=9440, Unknown=0, NotChecked=0, Total=12210 [2024-11-28 02:51:33,855 INFO L435 NwaCegarLoop]: 106 mSDtfsCounter, 775 mSDsluCounter, 396 mSDsCounter, 0 mSdLazyCounter, 819 mSolverCounterSat, 244 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 779 SdHoareTripleChecker+Valid, 502 SdHoareTripleChecker+Invalid, 1063 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 244 IncrementalHoareTripleChecker+Valid, 819 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-11-28 02:51:33,855 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [779 Valid, 502 Invalid, 1063 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [244 Valid, 819 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-11-28 02:51:33,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2024-11-28 02:51:33,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 129. [2024-11-28 02:51:33,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 98 states have (on average 1.2959183673469388) internal successors, (127), 98 states have internal predecessors, (127), 22 states have call successors, (22), 8 states have call predecessors, (22), 8 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-28 02:51:33,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 171 transitions. [2024-11-28 02:51:33,898 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 171 transitions. Word has length 142 [2024-11-28 02:51:33,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:51:33,899 INFO L471 AbstractCegarLoop]: Abstraction has 129 states and 171 transitions. [2024-11-28 02:51:33,900 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 2.65625) internal successors, (85), 30 states have internal predecessors, (85), 10 states have call successors, (39), 7 states have call predecessors, (39), 12 states have return successors, (41), 10 states have call predecessors, (41), 10 states have call successors, (41) [2024-11-28 02:51:33,900 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 171 transitions. [2024-11-28 02:51:33,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-28 02:51:33,903 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:51:33,903 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:51:33,914 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78e38f4f-92da-441a-bb79-d645372216f2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-28 02:51:34,107 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78e38f4f-92da-441a-bb79-d645372216f2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:51:34,107 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:51:34,108 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:51:34,108 INFO L85 PathProgramCache]: Analyzing trace with hash 1235516935, now seen corresponding path program 1 times [2024-11-28 02:51:34,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:51:34,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1356776643] [2024-11-28 02:51:34,108 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:51:34,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:51:34,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:51:51,027 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-28 02:51:51,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:51:51,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1356776643] [2024-11-28 02:51:51,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1356776643] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:51:51,027 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:51:51,027 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-28 02:51:51,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064744777] [2024-11-28 02:51:51,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:51:51,028 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 02:51:51,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:51:51,029 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 02:51:51,029 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2024-11-28 02:51:51,029 INFO L87 Difference]: Start difference. First operand 129 states and 171 transitions. Second operand has 8 states, 8 states have (on average 4.5) internal successors, (36), 8 states have internal predecessors, (36), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-28 02:51:58,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:51:58,328 INFO L93 Difference]: Finished difference Result 352 states and 470 transitions. [2024-11-28 02:51:58,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 02:51:58,328 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.5) internal successors, (36), 8 states have internal predecessors, (36), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 143 [2024-11-28 02:51:58,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:51:58,331 INFO L225 Difference]: With dead ends: 352 [2024-11-28 02:51:58,331 INFO L226 Difference]: Without dead ends: 226 [2024-11-28 02:51:58,332 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2024-11-28 02:51:58,333 INFO L435 NwaCegarLoop]: 107 mSDtfsCounter, 190 mSDsluCounter, 416 mSDsCounter, 0 mSdLazyCounter, 234 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 190 SdHoareTripleChecker+Valid, 523 SdHoareTripleChecker+Invalid, 236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 234 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:51:58,334 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [190 Valid, 523 Invalid, 236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 234 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2024-11-28 02:51:58,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2024-11-28 02:51:58,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 131. [2024-11-28 02:51:58,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 100 states have (on average 1.29) internal successors, (129), 100 states have internal predecessors, (129), 22 states have call successors, (22), 8 states have call predecessors, (22), 8 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-28 02:51:58,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 173 transitions. [2024-11-28 02:51:58,377 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 173 transitions. Word has length 143 [2024-11-28 02:51:58,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:51:58,378 INFO L471 AbstractCegarLoop]: Abstraction has 131 states and 173 transitions. [2024-11-28 02:51:58,378 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.5) internal successors, (36), 8 states have internal predecessors, (36), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-28 02:51:58,378 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 173 transitions. [2024-11-28 02:51:58,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-28 02:51:58,381 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:51:58,381 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:51:58,381 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 02:51:58,382 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:51:58,382 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:51:58,382 INFO L85 PathProgramCache]: Analyzing trace with hash 648710921, now seen corresponding path program 1 times [2024-11-28 02:51:58,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:51:58,383 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857092047] [2024-11-28 02:51:58,383 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:51:58,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:51:58,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 02:51:58,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [193950528] [2024-11-28 02:51:58,451 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:51:58,451 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:51:58,452 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78e38f4f-92da-441a-bb79-d645372216f2/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:51:58,454 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78e38f4f-92da-441a-bb79-d645372216f2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:51:58,462 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78e38f4f-92da-441a-bb79-d645372216f2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-28 02:51:58,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:51:58,595 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:51:58,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:51:58,791 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-28 02:51:58,792 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-28 02:51:58,794 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-28 02:51:58,809 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78e38f4f-92da-441a-bb79-d645372216f2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-28 02:51:58,997 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78e38f4f-92da-441a-bb79-d645372216f2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:51:59,002 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-28 02:51:59,179 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 02:51:59,186 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 02:51:59 BoogieIcfgContainer [2024-11-28 02:51:59,187 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 02:51:59,189 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 02:51:59,189 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 02:51:59,189 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 02:51:59,190 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:50:52" (3/4) ... [2024-11-28 02:51:59,193 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-28 02:51:59,194 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 02:51:59,195 INFO L158 Benchmark]: Toolchain (without parser) took 68616.85ms. Allocated memory was 142.6MB in the beginning and 771.8MB in the end (delta: 629.1MB). Free memory was 106.0MB in the beginning and 496.4MB in the end (delta: -390.5MB). Peak memory consumption was 237.3MB. Max. memory is 16.1GB. [2024-11-28 02:51:59,196 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 167.8MB. Free memory is still 105.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:51:59,198 INFO L158 Benchmark]: CACSL2BoogieTranslator took 455.88ms. Allocated memory is still 142.6MB. Free memory was 105.6MB in the beginning and 91.0MB in the end (delta: 14.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 02:51:59,199 INFO L158 Benchmark]: Boogie Procedure Inliner took 91.29ms. Allocated memory is still 142.6MB. Free memory was 91.0MB in the beginning and 86.3MB in the end (delta: 4.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:51:59,199 INFO L158 Benchmark]: Boogie Preprocessor took 70.55ms. Allocated memory is still 142.6MB. Free memory was 86.3MB in the beginning and 80.5MB in the end (delta: 5.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 02:51:59,199 INFO L158 Benchmark]: RCFGBuilder took 806.19ms. Allocated memory is still 142.6MB. Free memory was 80.5MB in the beginning and 54.6MB in the end (delta: 25.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-28 02:51:59,199 INFO L158 Benchmark]: TraceAbstraction took 67178.34ms. Allocated memory was 142.6MB in the beginning and 771.8MB in the end (delta: 629.1MB). Free memory was 54.0MB in the beginning and 496.7MB in the end (delta: -442.7MB). Peak memory consumption was 187.0MB. Max. memory is 16.1GB. [2024-11-28 02:51:59,200 INFO L158 Benchmark]: Witness Printer took 5.70ms. Allocated memory is still 771.8MB. Free memory was 496.7MB in the beginning and 496.4MB in the end (delta: 249.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:51:59,204 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 167.8MB. Free memory is still 105.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 455.88ms. Allocated memory is still 142.6MB. Free memory was 105.6MB in the beginning and 91.0MB in the end (delta: 14.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 91.29ms. Allocated memory is still 142.6MB. Free memory was 91.0MB in the beginning and 86.3MB in the end (delta: 4.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 70.55ms. Allocated memory is still 142.6MB. Free memory was 86.3MB in the beginning and 80.5MB in the end (delta: 5.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 806.19ms. Allocated memory is still 142.6MB. Free memory was 80.5MB in the beginning and 54.6MB in the end (delta: 25.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 67178.34ms. Allocated memory was 142.6MB in the beginning and 771.8MB in the end (delta: 629.1MB). Free memory was 54.0MB in the beginning and 496.7MB in the end (delta: -442.7MB). Peak memory consumption was 187.0MB. Max. memory is 16.1GB. * Witness Printer took 5.70ms. Allocated memory is still 771.8MB. Free memory was 496.7MB in the beginning and 496.4MB in the end (delta: 249.0kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 111, overapproximation of someBinaryFLOATComparisonOperation at line 63, overapproximation of someBinaryFLOATComparisonOperation at line 128, overapproximation of someBinaryFLOATComparisonOperation at line 109, overapproximation of someBinaryFLOATComparisonOperation at line 112, overapproximation of someBinaryDOUBLEComparisonOperation at line 123, overapproximation of someBinaryDOUBLEComparisonOperation at line 128. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 16; [L23] unsigned char var_1_2 = 1; [L24] unsigned char var_1_3 = 0; [L25] unsigned char var_1_4 = 128; [L26] unsigned char var_1_5 = 10; [L27] unsigned short int var_1_6 = 10; [L28] unsigned short int var_1_7 = 52077; [L29] unsigned short int var_1_8 = 47248; [L30] unsigned short int var_1_9 = 50; [L31] float var_1_10 = 999.2; [L32] float var_1_11 = 63.75; [L33] signed long int var_1_12 = 100000; [L34] unsigned short int var_1_13 = 8; [L35] signed long int var_1_14 = 2; [L36] signed long int var_1_15 = 32; [L37] unsigned short int var_1_16 = 64; [L38] double var_1_17 = 127.5; [L39] double var_1_18 = 32.75; [L40] signed char var_1_19 = 0; [L41] unsigned long int var_1_20 = 128; VAL [isInitial=0, var_1_10=4996/5, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=0, var_1_4=128, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L132] isInitial = 1 [L133] FCALL initially() [L135] FCALL updateLastVariables() [L136] CALL updateVariables() [L90] var_1_2 = __VERIFIER_nondet_uchar() [L91] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=4996/5, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_3=0, var_1_4=128, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=4996/5, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_3=0, var_1_4=128, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L91] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=4996/5, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_3=0, var_1_4=128, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L92] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=4996/5, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=0, var_1_4=128, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=4996/5, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=0, var_1_4=128, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L92] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, var_1_10=4996/5, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=0, var_1_4=128, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L93] var_1_3 = __VERIFIER_nondet_uchar() [L94] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=4996/5, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_4=128, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=4996/5, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_4=128, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L94] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_10=4996/5, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_4=128, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L95] CALL assume_abort_if_not(var_1_3 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=4996/5, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=128, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=4996/5, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=128, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L95] RET assume_abort_if_not(var_1_3 <= 1) VAL [isInitial=1, var_1_10=4996/5, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=128, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L96] var_1_4 = __VERIFIER_nondet_uchar() [L97] CALL assume_abort_if_not(var_1_4 >= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=4996/5, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=510, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=4996/5, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=510, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L97] RET assume_abort_if_not(var_1_4 >= 127) VAL [isInitial=1, var_1_10=4996/5, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=510, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L98] CALL assume_abort_if_not(var_1_4 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_10=4996/5, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=510, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=4996/5, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=510, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L98] RET assume_abort_if_not(var_1_4 <= 254) VAL [isInitial=1, var_1_10=4996/5, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=510, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L99] var_1_5 = __VERIFIER_nondet_uchar() [L100] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=4996/5, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=510, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=4996/5, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=510, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L100] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, var_1_10=4996/5, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=510, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L101] CALL assume_abort_if_not(var_1_5 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=4996/5, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=510, var_1_5=0, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=4996/5, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=510, var_1_5=0, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L101] RET assume_abort_if_not(var_1_5 <= 127) VAL [isInitial=1, var_1_10=4996/5, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=510, var_1_5=0, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L102] var_1_7 = __VERIFIER_nondet_ushort() [L103] CALL assume_abort_if_not(var_1_7 >= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=4996/5, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=510, var_1_5=0, var_1_6=10, var_1_7=32767, var_1_8=47248, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=4996/5, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=510, var_1_5=0, var_1_6=10, var_1_7=32767, var_1_8=47248, var_1_9=50] [L103] RET assume_abort_if_not(var_1_7 >= 32767) VAL [isInitial=1, var_1_10=4996/5, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=510, var_1_5=0, var_1_6=10, var_1_7=32767, var_1_8=47248, var_1_9=50] [L104] CALL assume_abort_if_not(var_1_7 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=4996/5, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=510, var_1_5=0, var_1_6=10, var_1_7=32767, var_1_8=47248, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=4996/5, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=510, var_1_5=0, var_1_6=10, var_1_7=32767, var_1_8=47248, var_1_9=50] [L104] RET assume_abort_if_not(var_1_7 <= 65534) VAL [isInitial=1, var_1_10=4996/5, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=510, var_1_5=0, var_1_6=10, var_1_7=32767, var_1_8=47248, var_1_9=50] [L105] var_1_8 = __VERIFIER_nondet_ushort() [L106] CALL assume_abort_if_not(var_1_8 >= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=4996/5, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=510, var_1_5=0, var_1_6=10, var_1_7=32767, var_1_8=32767, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=4996/5, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=510, var_1_5=0, var_1_6=10, var_1_7=32767, var_1_8=32767, var_1_9=50] [L106] RET assume_abort_if_not(var_1_8 >= 32767) VAL [isInitial=1, var_1_10=4996/5, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=510, var_1_5=0, var_1_6=10, var_1_7=32767, var_1_8=32767, var_1_9=50] [L107] CALL assume_abort_if_not(var_1_8 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=4996/5, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=510, var_1_5=0, var_1_6=10, var_1_7=32767, var_1_8=32767, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=4996/5, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=510, var_1_5=0, var_1_6=10, var_1_7=32767, var_1_8=32767, var_1_9=50] [L107] RET assume_abort_if_not(var_1_8 <= 65534) VAL [isInitial=1, var_1_10=4996/5, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=510, var_1_5=0, var_1_6=10, var_1_7=32767, var_1_8=32767, var_1_9=50] [L108] var_1_10 = __VERIFIER_nondet_float() [L109] CALL assume_abort_if_not((var_1_10 >= -922337.2036854776000e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854776000e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=510, var_1_5=0, var_1_6=10, var_1_7=32767, var_1_8=32767, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=510, var_1_5=0, var_1_6=10, var_1_7=32767, var_1_8=32767, var_1_9=50] [L109] RET assume_abort_if_not((var_1_10 >= -922337.2036854776000e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854776000e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=510, var_1_5=0, var_1_6=10, var_1_7=32767, var_1_8=32767, var_1_9=50] [L110] var_1_11 = __VERIFIER_nondet_float() [L111] CALL assume_abort_if_not((var_1_11 >= -922337.2036854776000e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854776000e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=510, var_1_5=0, var_1_6=10, var_1_7=32767, var_1_8=32767, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=510, var_1_5=0, var_1_6=10, var_1_7=32767, var_1_8=32767, var_1_9=50] [L111] RET assume_abort_if_not((var_1_11 >= -922337.2036854776000e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854776000e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=510, var_1_5=0, var_1_6=10, var_1_7=32767, var_1_8=32767, var_1_9=50] [L112] CALL assume_abort_if_not(var_1_11 != 0.0F) VAL [\old(cond)=1, isInitial=1, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=510, var_1_5=0, var_1_6=10, var_1_7=32767, var_1_8=32767, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=510, var_1_5=0, var_1_6=10, var_1_7=32767, var_1_8=32767, var_1_9=50] [L112] RET assume_abort_if_not(var_1_11 != 0.0F) VAL [isInitial=1, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=510, var_1_5=0, var_1_6=10, var_1_7=32767, var_1_8=32767, var_1_9=50] [L113] var_1_14 = __VERIFIER_nondet_long() [L114] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_12=100000, var_1_13=8, var_1_14=1, var_1_15=32, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=510, var_1_5=0, var_1_6=10, var_1_7=32767, var_1_8=32767, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_12=100000, var_1_13=8, var_1_14=1, var_1_15=32, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=510, var_1_5=0, var_1_6=10, var_1_7=32767, var_1_8=32767, var_1_9=50] [L114] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, var_1_12=100000, var_1_13=8, var_1_14=1, var_1_15=32, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=510, var_1_5=0, var_1_6=10, var_1_7=32767, var_1_8=32767, var_1_9=50] [L115] CALL assume_abort_if_not(var_1_14 <= 32) VAL [\old(cond)=1, isInitial=1, var_1_12=100000, var_1_13=8, var_1_14=1, var_1_15=32, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=510, var_1_5=0, var_1_6=10, var_1_7=32767, var_1_8=32767, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_12=100000, var_1_13=8, var_1_14=1, var_1_15=32, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=510, var_1_5=0, var_1_6=10, var_1_7=32767, var_1_8=32767, var_1_9=50] [L115] RET assume_abort_if_not(var_1_14 <= 32) VAL [isInitial=1, var_1_12=100000, var_1_13=8, var_1_14=1, var_1_15=32, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=510, var_1_5=0, var_1_6=10, var_1_7=32767, var_1_8=32767, var_1_9=50] [L116] var_1_15 = __VERIFIER_nondet_long() [L117] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_12=100000, var_1_13=8, var_1_14=1, var_1_15=0, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=510, var_1_5=0, var_1_6=10, var_1_7=32767, var_1_8=32767, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_12=100000, var_1_13=8, var_1_14=1, var_1_15=0, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=510, var_1_5=0, var_1_6=10, var_1_7=32767, var_1_8=32767, var_1_9=50] [L117] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, var_1_12=100000, var_1_13=8, var_1_14=1, var_1_15=0, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=510, var_1_5=0, var_1_6=10, var_1_7=32767, var_1_8=32767, var_1_9=50] [L118] CALL assume_abort_if_not(var_1_15 <= 32) VAL [\old(cond)=1, isInitial=1, var_1_12=100000, var_1_13=8, var_1_14=1, var_1_15=0, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=510, var_1_5=0, var_1_6=10, var_1_7=32767, var_1_8=32767, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_12=100000, var_1_13=8, var_1_14=1, var_1_15=0, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=510, var_1_5=0, var_1_6=10, var_1_7=32767, var_1_8=32767, var_1_9=50] [L118] RET assume_abort_if_not(var_1_15 <= 32) VAL [isInitial=1, var_1_12=100000, var_1_13=8, var_1_14=1, var_1_15=0, var_1_16=64, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=510, var_1_5=0, var_1_6=10, var_1_7=32767, var_1_8=32767, var_1_9=50] [L119] var_1_16 = __VERIFIER_nondet_ushort() [L120] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_12=100000, var_1_13=8, var_1_14=1, var_1_15=0, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=510, var_1_5=0, var_1_6=10, var_1_7=32767, var_1_8=32767, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_12=100000, var_1_13=8, var_1_14=1, var_1_15=0, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=510, var_1_5=0, var_1_6=10, var_1_7=32767, var_1_8=32767, var_1_9=50] [L120] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, var_1_12=100000, var_1_13=8, var_1_14=1, var_1_15=0, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=510, var_1_5=0, var_1_6=10, var_1_7=32767, var_1_8=32767, var_1_9=50] [L121] CALL assume_abort_if_not(var_1_16 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_12=100000, var_1_13=8, var_1_14=1, var_1_15=0, var_1_16=0, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=510, var_1_5=0, var_1_6=10, var_1_7=32767, var_1_8=32767, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_12=100000, var_1_13=8, var_1_14=1, var_1_15=0, var_1_16=0, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=510, var_1_5=0, var_1_6=10, var_1_7=32767, var_1_8=32767, var_1_9=50] [L121] RET assume_abort_if_not(var_1_16 <= 65534) VAL [isInitial=1, var_1_12=100000, var_1_13=8, var_1_14=1, var_1_15=0, var_1_16=0, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=510, var_1_5=0, var_1_6=10, var_1_7=32767, var_1_8=32767, var_1_9=50] [L122] var_1_18 = __VERIFIER_nondet_double() [L123] CALL assume_abort_if_not((var_1_18 >= -922337.2036854765600e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_12=100000, var_1_13=8, var_1_14=1, var_1_15=0, var_1_16=0, var_1_17=255/2, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=510, var_1_5=0, var_1_6=10, var_1_7=32767, var_1_8=32767, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_12=100000, var_1_13=8, var_1_14=1, var_1_15=0, var_1_16=0, var_1_17=255/2, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=510, var_1_5=0, var_1_6=10, var_1_7=32767, var_1_8=32767, var_1_9=50] [L123] RET assume_abort_if_not((var_1_18 >= -922337.2036854765600e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, var_1_12=100000, var_1_13=8, var_1_14=1, var_1_15=0, var_1_16=0, var_1_17=255/2, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=510, var_1_5=0, var_1_6=10, var_1_7=32767, var_1_8=32767, var_1_9=50] [L136] RET updateVariables() [L137] CALL step() [L45] unsigned char stepLocal_0 = var_1_3; VAL [isInitial=1, stepLocal_0=1, var_1_12=100000, var_1_13=8, var_1_14=1, var_1_15=0, var_1_16=0, var_1_17=255/2, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=510, var_1_5=0, var_1_6=10, var_1_7=32767, var_1_8=32767, var_1_9=50] [L46] COND TRUE var_1_2 && stepLocal_0 [L47] var_1_1 = (var_1_4 - var_1_5) VAL [isInitial=1, var_1_12=100000, var_1_13=8, var_1_14=1, var_1_15=0, var_1_16=0, var_1_17=255/2, var_1_19=0, var_1_1=254, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=510, var_1_5=0, var_1_6=10, var_1_7=32767, var_1_8=32767, var_1_9=50] [L51] COND FALSE !(var_1_1 <= (var_1_5 * var_1_4)) [L58] var_1_6 = var_1_5 VAL [isInitial=1, var_1_12=100000, var_1_13=8, var_1_14=1, var_1_15=0, var_1_16=0, var_1_17=255/2, var_1_19=0, var_1_1=254, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=510, var_1_5=0, var_1_6=0, var_1_7=32767, var_1_8=32767, var_1_9=50] [L60] COND FALSE !(-100000 >= var_1_1) VAL [isInitial=1, var_1_12=100000, var_1_13=8, var_1_14=1, var_1_15=0, var_1_16=0, var_1_17=255/2, var_1_19=0, var_1_1=254, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=510, var_1_5=0, var_1_6=0, var_1_7=32767, var_1_8=32767, var_1_9=50] [L63] COND FALSE !((var_1_10 / var_1_11) == 999999.6f) VAL [isInitial=1, var_1_12=100000, var_1_13=8, var_1_14=1, var_1_15=0, var_1_16=0, var_1_17=255/2, var_1_19=0, var_1_1=254, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=510, var_1_5=0, var_1_6=0, var_1_7=32767, var_1_8=32767, var_1_9=50] [L67] COND TRUE var_1_6 < var_1_1 VAL [isInitial=1, var_1_12=100000, var_1_13=8, var_1_14=1, var_1_15=0, var_1_16=0, var_1_17=255/2, var_1_19=0, var_1_1=254, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=510, var_1_5=0, var_1_6=0, var_1_7=32767, var_1_8=32767, var_1_9=50] [L68] COND FALSE !(var_1_5 == (~ (var_1_6 + var_1_1))) [L71] var_1_12 = ((((var_1_1) < (var_1_8)) ? (var_1_1) : (var_1_8))) VAL [isInitial=1, var_1_12=254, var_1_13=8, var_1_14=1, var_1_15=0, var_1_16=0, var_1_17=255/2, var_1_19=0, var_1_1=254, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=510, var_1_5=0, var_1_6=0, var_1_7=32767, var_1_8=32767, var_1_9=50] [L76] EXPR -4 >> ((((var_1_14) < (var_1_15)) ? (var_1_14) : (var_1_15))) VAL [isInitial=1, var_1_12=254, var_1_13=8, var_1_14=1, var_1_15=0, var_1_16=0, var_1_17=255/2, var_1_19=0, var_1_1=254, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=510, var_1_5=0, var_1_6=0, var_1_7=32767, var_1_8=32767, var_1_9=50] [L76] EXPR var_1_7 | ((((var_1_8) > (var_1_6)) ? (var_1_8) : (var_1_6))) VAL [isInitial=1, var_1_12=254, var_1_13=8, var_1_14=1, var_1_15=0, var_1_16=0, var_1_17=255/2, var_1_19=0, var_1_1=254, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=510, var_1_5=0, var_1_6=0, var_1_7=32767, var_1_8=32767, var_1_9=50] [L76] COND FALSE !((-4 >> ((((var_1_14) < (var_1_15)) ? (var_1_14) : (var_1_15)))) >= (var_1_7 | ((((var_1_8) > (var_1_6)) ? (var_1_8) : (var_1_6))))) [L83] var_1_13 = var_1_16 VAL [isInitial=1, var_1_12=254, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=0, var_1_17=255/2, var_1_19=0, var_1_1=254, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=510, var_1_5=0, var_1_6=0, var_1_7=32767, var_1_8=32767, var_1_9=50] [L85] var_1_17 = var_1_18 [L86] var_1_19 = 5 [L87] var_1_20 = var_1_15 VAL [isInitial=1, var_1_12=254, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=0, var_1_17=2, var_1_18=2, var_1_19=5, var_1_1=254, var_1_20=0, var_1_2=1, var_1_3=1, var_1_4=510, var_1_5=0, var_1_6=0, var_1_7=32767, var_1_8=32767, var_1_9=50] [L137] RET step() [L138] CALL, EXPR property() [L128] EXPR (((((var_1_2 && var_1_3) ? (var_1_1 == ((unsigned char) (var_1_4 - var_1_5))) : (var_1_1 == ((unsigned char) (var_1_4 - var_1_5)))) && ((var_1_1 <= (var_1_5 * var_1_4)) ? (var_1_2 ? (var_1_6 == ((unsigned short int) (((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8))) - var_1_5))) : (var_1_6 == ((unsigned short int) var_1_5))) : (var_1_6 == ((unsigned short int) var_1_5)))) && ((-100000 >= var_1_1) ? (var_1_9 == ((unsigned short int) (((((var_1_1 + var_1_5)) > (64)) ? ((var_1_1 + var_1_5)) : (64))))) : (((var_1_10 / var_1_11) == 999999.6f) ? (var_1_9 == ((unsigned short int) var_1_7)) : 1))) && ((var_1_6 < var_1_1) ? ((var_1_5 == (~ (var_1_6 + var_1_1))) ? (var_1_12 == ((signed long int) (((((var_1_5) > (((((-1) < (var_1_6)) ? (-1) : (var_1_6))))) ? (var_1_5) : (((((-1) < (var_1_6)) ? (-1) : (var_1_6)))))) - 1000))) : (var_1_12 == ((signed long int) ((((var_1_1) < (var_1_8)) ? (var_1_1) : (var_1_8)))))) : (var_1_12 == ((signed long int) var_1_9)))) && (((-4 >> ((((var_1_14) < (var_1_15)) ? (var_1_14) : (var_1_15)))) >= (var_1_7 | ((((var_1_8) > (var_1_6)) ? (var_1_8) : (var_1_6))))) ? (var_1_3 ? (var_1_13 == ((unsigned short int) var_1_1)) : (var_1_13 == ((unsigned short int) var_1_4))) : (var_1_13 == ((unsigned short int) var_1_16))) VAL [isInitial=1, var_1_12=254, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=0, var_1_17=2, var_1_18=2, var_1_19=5, var_1_1=254, var_1_20=0, var_1_2=1, var_1_3=1, var_1_4=510, var_1_5=0, var_1_6=0, var_1_7=32767, var_1_8=32767, var_1_9=50] [L128-L129] return ((((((((var_1_2 && var_1_3) ? (var_1_1 == ((unsigned char) (var_1_4 - var_1_5))) : (var_1_1 == ((unsigned char) (var_1_4 - var_1_5)))) && ((var_1_1 <= (var_1_5 * var_1_4)) ? (var_1_2 ? (var_1_6 == ((unsigned short int) (((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8))) - var_1_5))) : (var_1_6 == ((unsigned short int) var_1_5))) : (var_1_6 == ((unsigned short int) var_1_5)))) && ((-100000 >= var_1_1) ? (var_1_9 == ((unsigned short int) (((((var_1_1 + var_1_5)) > (64)) ? ((var_1_1 + var_1_5)) : (64))))) : (((var_1_10 / var_1_11) == 999999.6f) ? (var_1_9 == ((unsigned short int) var_1_7)) : 1))) && ((var_1_6 < var_1_1) ? ((var_1_5 == (~ (var_1_6 + var_1_1))) ? (var_1_12 == ((signed long int) (((((var_1_5) > (((((-1) < (var_1_6)) ? (-1) : (var_1_6))))) ? (var_1_5) : (((((-1) < (var_1_6)) ? (-1) : (var_1_6)))))) - 1000))) : (var_1_12 == ((signed long int) ((((var_1_1) < (var_1_8)) ? (var_1_1) : (var_1_8)))))) : (var_1_12 == ((signed long int) var_1_9)))) && (((-4 >> ((((var_1_14) < (var_1_15)) ? (var_1_14) : (var_1_15)))) >= (var_1_7 | ((((var_1_8) > (var_1_6)) ? (var_1_8) : (var_1_6))))) ? (var_1_3 ? (var_1_13 == ((unsigned short int) var_1_1)) : (var_1_13 == ((unsigned short int) var_1_4))) : (var_1_13 == ((unsigned short int) var_1_16)))) && (var_1_17 == ((double) var_1_18))) && (var_1_19 == ((signed char) 5))) && (var_1_20 == ((unsigned long int) var_1_15)) ; [L138] RET, EXPR property() [L138] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_12=254, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=0, var_1_17=2, var_1_18=2, var_1_19=5, var_1_1=254, var_1_20=0, var_1_2=1, var_1_3=1, var_1_4=510, var_1_5=0, var_1_6=0, var_1_7=32767, var_1_8=32767, var_1_9=50] [L19] reach_error() VAL [isInitial=1, var_1_12=254, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=0, var_1_17=2, var_1_18=2, var_1_19=5, var_1_1=254, var_1_20=0, var_1_2=1, var_1_3=1, var_1_4=510, var_1_5=0, var_1_6=0, var_1_7=32767, var_1_8=32767, var_1_9=50] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 76 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 66.9s, OverallIterations: 5, TraceHistogramMax: 22, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 21.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1177 SdHoareTripleChecker+Valid, 11.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1173 mSDsluCounter, 1530 SdHoareTripleChecker+Invalid, 10.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1094 mSDsCounter, 248 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1215 IncrementalHoareTripleChecker+Invalid, 1463 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 248 mSolverCounterUnsat, 436 mSDtfsCounter, 1215 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 534 GetRequests, 409 SyntacticMatches, 1 SemanticMatches, 124 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4384 ImplicationChecksByTransitivity, 17.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=131occurred in iteration=4, InterpolantAutomatonStates: 116, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 392 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 42.8s InterpolantComputationTime, 1137 NumberOfCodeBlocks, 1137 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 845 ConstructedInterpolants, 0 QuantifiedInterpolants, 8603 SizeOfPredicates, 7 NumberOfNonLiveVariables, 647 ConjunctsInSsa, 44 ConjunctsInUnsatCore, 6 InterpolantComputations, 3 PerfectInterpolantSequences, 5184/5544 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-28 02:51:59,286 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78e38f4f-92da-441a-bb79-d645372216f2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78e38f4f-92da-441a-bb79-d645372216f2/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78e38f4f-92da-441a-bb79-d645372216f2/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_78e38f4f-92da-441a-bb79-d645372216f2/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78e38f4f-92da-441a-bb79-d645372216f2/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-46.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78e38f4f-92da-441a-bb79-d645372216f2/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_78e38f4f-92da-441a-bb79-d645372216f2/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 7524697c66e1a4ecd762521f8a604e650820f18fffb82d104752941738ae4cd5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 02:52:02,361 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 02:52:02,489 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78e38f4f-92da-441a-bb79-d645372216f2/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-28 02:52:02,496 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 02:52:02,497 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 02:52:02,530 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 02:52:02,531 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 02:52:02,531 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 02:52:02,531 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 02:52:02,531 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 02:52:02,532 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 02:52:02,532 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 02:52:02,532 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 02:52:02,532 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 02:52:02,532 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 02:52:02,533 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 02:52:02,533 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 02:52:02,533 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 02:52:02,533 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 02:52:02,533 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 02:52:02,533 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 02:52:02,533 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 02:52:02,534 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 02:52:02,534 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-28 02:52:02,534 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-28 02:52:02,534 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-28 02:52:02,535 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 02:52:02,535 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 02:52:02,535 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 02:52:02,535 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 02:52:02,535 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 02:52:02,536 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:52:02,536 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:52:02,536 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:52:02,536 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:52:02,536 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 02:52:02,537 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:52:02,537 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:52:02,537 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:52:02,537 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:52:02,538 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 02:52:02,538 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 02:52:02,538 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 02:52:02,538 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 02:52:02,538 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-28 02:52:02,538 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-28 02:52:02,539 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 02:52:02,539 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 02:52:02,539 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 02:52:02,539 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 02:52:02,539 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_78e38f4f-92da-441a-bb79-d645372216f2/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 -> 7524697c66e1a4ecd762521f8a604e650820f18fffb82d104752941738ae4cd5 [2024-11-28 02:52:02,930 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 02:52:02,945 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 02:52:02,948 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 02:52:02,949 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 02:52:02,953 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 02:52:02,954 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78e38f4f-92da-441a-bb79-d645372216f2/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-46.i [2024-11-28 02:52:06,682 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78e38f4f-92da-441a-bb79-d645372216f2/bin/uautomizer-verify-aQ6SnzHsRB/data/5ccc0a689/c25853736a784849a9743a06e8b717ce/FLAG1198d3551 [2024-11-28 02:52:07,044 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 02:52:07,046 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78e38f4f-92da-441a-bb79-d645372216f2/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-46.i [2024-11-28 02:52:07,063 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78e38f4f-92da-441a-bb79-d645372216f2/bin/uautomizer-verify-aQ6SnzHsRB/data/5ccc0a689/c25853736a784849a9743a06e8b717ce/FLAG1198d3551 [2024-11-28 02:52:07,086 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78e38f4f-92da-441a-bb79-d645372216f2/bin/uautomizer-verify-aQ6SnzHsRB/data/5ccc0a689/c25853736a784849a9743a06e8b717ce [2024-11-28 02:52:07,090 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 02:52:07,093 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 02:52:07,096 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 02:52:07,097 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 02:52:07,107 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 02:52:07,108 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:52:07" (1/1) ... [2024-11-28 02:52:07,109 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7380760c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:52:07, skipping insertion in model container [2024-11-28 02:52:07,109 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:52:07" (1/1) ... [2024-11-28 02:52:07,139 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 02:52:07,345 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_78e38f4f-92da-441a-bb79-d645372216f2/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-46.i[917,930] [2024-11-28 02:52:07,428 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:52:07,445 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 02:52:07,461 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_78e38f4f-92da-441a-bb79-d645372216f2/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-46.i[917,930] [2024-11-28 02:52:07,527 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:52:07,549 INFO L204 MainTranslator]: Completed translation [2024-11-28 02:52:07,550 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:52:07 WrapperNode [2024-11-28 02:52:07,551 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 02:52:07,552 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 02:52:07,552 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 02:52:07,552 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 02:52:07,564 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:52:07" (1/1) ... [2024-11-28 02:52:07,578 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:52:07" (1/1) ... [2024-11-28 02:52:07,612 INFO L138 Inliner]: procedures = 27, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 137 [2024-11-28 02:52:07,612 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 02:52:07,613 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 02:52:07,613 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 02:52:07,613 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 02:52:07,625 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:52:07" (1/1) ... [2024-11-28 02:52:07,626 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:52:07" (1/1) ... [2024-11-28 02:52:07,630 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:52:07" (1/1) ... [2024-11-28 02:52:07,657 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-28 02:52:07,660 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:52:07" (1/1) ... [2024-11-28 02:52:07,660 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:52:07" (1/1) ... [2024-11-28 02:52:07,686 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:52:07" (1/1) ... [2024-11-28 02:52:07,687 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:52:07" (1/1) ... [2024-11-28 02:52:07,699 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:52:07" (1/1) ... [2024-11-28 02:52:07,701 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:52:07" (1/1) ... [2024-11-28 02:52:07,706 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:52:07" (1/1) ... [2024-11-28 02:52:07,709 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 02:52:07,713 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 02:52:07,714 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 02:52:07,714 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 02:52:07,715 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:52:07" (1/1) ... [2024-11-28 02:52:07,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:52:07,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78e38f4f-92da-441a-bb79-d645372216f2/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:52:07,771 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78e38f4f-92da-441a-bb79-d645372216f2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 02:52:07,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78e38f4f-92da-441a-bb79-d645372216f2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 02:52:07,813 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 02:52:07,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-28 02:52:07,814 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 02:52:07,814 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 02:52:07,814 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 02:52:07,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 02:52:07,943 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 02:52:07,946 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 02:52:10,833 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-28 02:52:10,834 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 02:52:10,853 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 02:52:10,854 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 02:52:10,855 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:52:10 BoogieIcfgContainer [2024-11-28 02:52:10,855 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 02:52:10,860 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 02:52:10,860 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 02:52:10,870 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 02:52:10,870 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:52:07" (1/3) ... [2024-11-28 02:52:10,871 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58acf7df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:52:10, skipping insertion in model container [2024-11-28 02:52:10,871 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:52:07" (2/3) ... [2024-11-28 02:52:10,871 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58acf7df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:52:10, skipping insertion in model container [2024-11-28 02:52:10,871 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:52:10" (3/3) ... [2024-11-28 02:52:10,873 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-46.i [2024-11-28 02:52:10,915 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 02:52:10,917 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_codestructure_steplocals_file-46.i that has 2 procedures, 63 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 02:52:10,996 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 02:52:11,010 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;@55879c4b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 02:52:11,010 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 02:52:11,015 INFO L276 IsEmpty]: Start isEmpty. Operand has 63 states, 38 states have (on average 1.368421052631579) internal successors, (52), 39 states have internal predecessors, (52), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-28 02:52:11,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-28 02:52:11,029 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:52:11,029 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:52:11,030 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:52:11,035 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:52:11,036 INFO L85 PathProgramCache]: Analyzing trace with hash -250232366, now seen corresponding path program 1 times [2024-11-28 02:52:11,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:52:11,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1533038090] [2024-11-28 02:52:11,049 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:52:11,050 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:52:11,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78e38f4f-92da-441a-bb79-d645372216f2/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:52:11,053 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78e38f4f-92da-441a-bb79-d645372216f2/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 02:52:11,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78e38f4f-92da-441a-bb79-d645372216f2/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-28 02:52:11,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:52:11,529 INFO L256 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 02:52:11,539 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:52:11,599 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 434 proven. 0 refuted. 0 times theorem prover too weak. 490 trivial. 0 not checked. [2024-11-28 02:52:11,600 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:52:11,601 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:52:11,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1533038090] [2024-11-28 02:52:11,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1533038090] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:52:11,601 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:52:11,602 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:52:11,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [916484128] [2024-11-28 02:52:11,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:52:11,611 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 02:52:11,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:52:11,637 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 02:52:11,638 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 02:52:11,640 INFO L87 Difference]: Start difference. First operand has 63 states, 38 states have (on average 1.368421052631579) internal successors, (52), 39 states have internal predecessors, (52), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-28 02:52:11,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:52:11,672 INFO L93 Difference]: Finished difference Result 118 states and 206 transitions. [2024-11-28 02:52:11,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 02:52:11,675 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 137 [2024-11-28 02:52:11,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:52:11,683 INFO L225 Difference]: With dead ends: 118 [2024-11-28 02:52:11,683 INFO L226 Difference]: Without dead ends: 58 [2024-11-28 02:52:11,687 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 02:52:11,690 INFO L435 NwaCegarLoop]: 84 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, 84 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:52:11,691 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:52:11,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2024-11-28 02:52:11,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2024-11-28 02:52:11,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 34 states have (on average 1.1764705882352942) internal successors, (40), 34 states have internal predecessors, (40), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-28 02:52:11,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 84 transitions. [2024-11-28 02:52:11,739 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 84 transitions. Word has length 137 [2024-11-28 02:52:11,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:52:11,740 INFO L471 AbstractCegarLoop]: Abstraction has 58 states and 84 transitions. [2024-11-28 02:52:11,740 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-28 02:52:11,740 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 84 transitions. [2024-11-28 02:52:11,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-28 02:52:11,745 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:52:11,745 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:52:11,756 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78e38f4f-92da-441a-bb79-d645372216f2/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-28 02:52:11,946 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78e38f4f-92da-441a-bb79-d645372216f2/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:52:11,946 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:52:11,947 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:52:11,947 INFO L85 PathProgramCache]: Analyzing trace with hash 1348772776, now seen corresponding path program 1 times [2024-11-28 02:52:11,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:52:11,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [162595379] [2024-11-28 02:52:11,949 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:52:11,949 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:52:11,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78e38f4f-92da-441a-bb79-d645372216f2/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:52:11,951 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78e38f4f-92da-441a-bb79-d645372216f2/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 02:52:11,954 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78e38f4f-92da-441a-bb79-d645372216f2/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-28 02:52:12,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:52:12,479 INFO L256 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-28 02:52:12,494 INFO L279 TraceCheckSpWp]: Computing forward predicates...