./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-51.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_56a42369-7fa8-40c3-b740-964ef884c024/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a42369-7fa8-40c3-b740-964ef884c024/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_56a42369-7fa8-40c3-b740-964ef884c024/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a42369-7fa8-40c3-b740-964ef884c024/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-51.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a42369-7fa8-40c3-b740-964ef884c024/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_56a42369-7fa8-40c3-b740-964ef884c024/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 d778a78ed5d8f64839ebc759981239a04212e711dc61301fd74be486fa462707 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 02:14:33,534 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 02:14:33,622 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a42369-7fa8-40c3-b740-964ef884c024/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-28 02:14:33,627 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 02:14:33,628 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 02:14:33,662 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 02:14:33,663 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 02:14:33,663 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 02:14:33,664 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 02:14:33,664 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 02:14:33,665 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 02:14:33,665 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 02:14:33,665 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 02:14:33,665 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 02:14:33,666 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 02:14:33,666 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 02:14:33,667 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 02:14:33,667 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 02:14:33,667 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 02:14:33,667 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 02:14:33,668 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 02:14:33,668 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 02:14:33,668 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 02:14:33,668 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 02:14:33,668 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 02:14:33,668 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 02:14:33,668 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 02:14:33,669 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 02:14:33,669 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 02:14:33,669 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:14:33,669 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:14:33,669 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:14:33,669 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:14:33,669 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 02:14:33,669 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:14:33,669 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:14:33,670 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:14:33,670 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:14:33,670 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 02:14:33,670 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 02:14:33,670 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 02:14:33,670 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 02:14:33,670 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 02:14:33,670 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 02:14:33,670 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 02:14:33,670 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 02:14:33,670 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 02:14:33,670 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 02:14:33,671 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_56a42369-7fa8-40c3-b740-964ef884c024/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 -> d778a78ed5d8f64839ebc759981239a04212e711dc61301fd74be486fa462707 [2024-11-28 02:14:34,014 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 02:14:34,032 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 02:14:34,037 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 02:14:34,039 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 02:14:34,040 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 02:14:34,041 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a42369-7fa8-40c3-b740-964ef884c024/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-51.i [2024-11-28 02:14:37,176 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a42369-7fa8-40c3-b740-964ef884c024/bin/uautomizer-verify-aQ6SnzHsRB/data/c7ba12c85/63c4584801084d07a018f8e92fdacb35/FLAG1adc383b7 [2024-11-28 02:14:37,547 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 02:14:37,548 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a42369-7fa8-40c3-b740-964ef884c024/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-51.i [2024-11-28 02:14:37,575 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a42369-7fa8-40c3-b740-964ef884c024/bin/uautomizer-verify-aQ6SnzHsRB/data/c7ba12c85/63c4584801084d07a018f8e92fdacb35/FLAG1adc383b7 [2024-11-28 02:14:37,609 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a42369-7fa8-40c3-b740-964ef884c024/bin/uautomizer-verify-aQ6SnzHsRB/data/c7ba12c85/63c4584801084d07a018f8e92fdacb35 [2024-11-28 02:14:37,612 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 02:14:37,614 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 02:14:37,615 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 02:14:37,616 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 02:14:37,622 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 02:14:37,623 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:14:37" (1/1) ... [2024-11-28 02:14:37,624 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@279c6473 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:14:37, skipping insertion in model container [2024-11-28 02:14:37,624 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:14:37" (1/1) ... [2024-11-28 02:14:37,647 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 02:14:37,807 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_56a42369-7fa8-40c3-b740-964ef884c024/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-51.i[919,932] [2024-11-28 02:14:37,907 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:14:37,920 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 02:14:37,932 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_56a42369-7fa8-40c3-b740-964ef884c024/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-51.i[919,932] [2024-11-28 02:14:37,999 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:14:38,034 INFO L204 MainTranslator]: Completed translation [2024-11-28 02:14:38,036 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:14:38 WrapperNode [2024-11-28 02:14:38,036 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 02:14:38,037 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 02:14:38,037 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 02:14:38,038 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 02:14:38,045 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:14:38" (1/1) ... [2024-11-28 02:14:38,055 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:14:38" (1/1) ... [2024-11-28 02:14:38,100 INFO L138 Inliner]: procedures = 26, calls = 34, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 145 [2024-11-28 02:14:38,105 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 02:14:38,105 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 02:14:38,106 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 02:14:38,106 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 02:14:38,120 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:14:38" (1/1) ... [2024-11-28 02:14:38,120 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:14:38" (1/1) ... [2024-11-28 02:14:38,123 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:14:38" (1/1) ... [2024-11-28 02:14:38,155 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 02:14:38,156 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:14:38" (1/1) ... [2024-11-28 02:14:38,156 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:14:38" (1/1) ... [2024-11-28 02:14:38,166 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:14:38" (1/1) ... [2024-11-28 02:14:38,171 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:14:38" (1/1) ... [2024-11-28 02:14:38,178 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:14:38" (1/1) ... [2024-11-28 02:14:38,183 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:14:38" (1/1) ... [2024-11-28 02:14:38,184 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:14:38" (1/1) ... [2024-11-28 02:14:38,191 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 02:14:38,192 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 02:14:38,192 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 02:14:38,192 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 02:14:38,193 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:14:38" (1/1) ... [2024-11-28 02:14:38,206 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:14:38,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a42369-7fa8-40c3-b740-964ef884c024/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:14:38,237 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a42369-7fa8-40c3-b740-964ef884c024/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 02:14:38,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a42369-7fa8-40c3-b740-964ef884c024/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 02:14:38,269 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 02:14:38,270 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 02:14:38,270 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 02:14:38,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 02:14:38,270 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 02:14:38,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 02:14:38,356 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 02:14:38,358 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 02:14:38,697 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-28 02:14:38,697 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 02:14:38,708 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 02:14:38,708 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 02:14:38,709 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:14:38 BoogieIcfgContainer [2024-11-28 02:14:38,709 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 02:14:38,712 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 02:14:38,712 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 02:14:38,718 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 02:14:38,718 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:14:37" (1/3) ... [2024-11-28 02:14:38,719 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bf8bb4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:14:38, skipping insertion in model container [2024-11-28 02:14:38,719 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:14:38" (2/3) ... [2024-11-28 02:14:38,720 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bf8bb4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:14:38, skipping insertion in model container [2024-11-28 02:14:38,720 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:14:38" (3/3) ... [2024-11-28 02:14:38,723 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_dependencies_file-51.i [2024-11-28 02:14:38,739 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 02:14:38,740 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_codestructure_dependencies_file-51.i that has 2 procedures, 64 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 02:14:38,799 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 02:14:38,812 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;@27a0326a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 02:14:38,812 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 02:14:38,816 INFO L276 IsEmpty]: Start isEmpty. Operand has 64 states, 40 states have (on average 1.425) internal successors, (57), 41 states have internal predecessors, (57), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-28 02:14:38,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-28 02:14:38,829 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:14:38,830 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:14:38,830 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:14:38,836 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:14:38,837 INFO L85 PathProgramCache]: Analyzing trace with hash 1436165920, now seen corresponding path program 1 times [2024-11-28 02:14:38,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:14:38,846 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591426445] [2024-11-28 02:14:38,847 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:14:38,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:14:38,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:14:39,268 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 800 trivial. 0 not checked. [2024-11-28 02:14:39,271 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:14:39,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1591426445] [2024-11-28 02:14:39,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1591426445] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:14:39,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2034417795] [2024-11-28 02:14:39,277 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:14:39,277 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:14:39,277 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a42369-7fa8-40c3-b740-964ef884c024/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:14:39,282 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a42369-7fa8-40c3-b740-964ef884c024/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:14:39,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a42369-7fa8-40c3-b740-964ef884c024/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 02:14:39,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:14:39,517 INFO L256 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 02:14:39,533 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:14:39,579 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 800 trivial. 0 not checked. [2024-11-28 02:14:39,580 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:14:39,580 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2034417795] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:14:39,580 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:14:39,580 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-28 02:14:39,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1669612762] [2024-11-28 02:14:39,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:14:39,595 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 02:14:39,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:14:39,622 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 02:14:39,623 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 02:14:39,626 INFO L87 Difference]: Start difference. First operand has 64 states, 40 states have (on average 1.425) internal successors, (57), 41 states have internal predecessors, (57), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) Second operand has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-28 02:14:39,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:14:39,664 INFO L93 Difference]: Finished difference Result 121 states and 213 transitions. [2024-11-28 02:14:39,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 02:14:39,669 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) Word has length 132 [2024-11-28 02:14:39,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:14:39,679 INFO L225 Difference]: With dead ends: 121 [2024-11-28 02:14:39,679 INFO L226 Difference]: Without dead ends: 60 [2024-11-28 02:14:39,682 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 133 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 02:14:39,689 INFO L435 NwaCegarLoop]: 91 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, 91 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 02:14:39,689 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:14:39,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2024-11-28 02:14:39,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2024-11-28 02:14:39,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 37 states have (on average 1.3243243243243243) internal successors, (49), 37 states have internal predecessors, (49), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-28 02:14:39,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 91 transitions. [2024-11-28 02:14:39,732 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 91 transitions. Word has length 132 [2024-11-28 02:14:39,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:14:39,733 INFO L471 AbstractCegarLoop]: Abstraction has 60 states and 91 transitions. [2024-11-28 02:14:39,733 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-28 02:14:39,734 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 91 transitions. [2024-11-28 02:14:39,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-28 02:14:39,737 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:14:39,737 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:14:39,749 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a42369-7fa8-40c3-b740-964ef884c024/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-28 02:14:39,938 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a42369-7fa8-40c3-b740-964ef884c024/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-28 02:14:39,938 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:14:39,939 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:14:39,939 INFO L85 PathProgramCache]: Analyzing trace with hash 1688040934, now seen corresponding path program 1 times [2024-11-28 02:14:39,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:14:39,939 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [380110781] [2024-11-28 02:14:39,940 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:14:39,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:14:40,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:14:40,641 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-28 02:14:40,642 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:14:40,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [380110781] [2024-11-28 02:14:40,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [380110781] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:14:40,642 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:14:40,643 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 02:14:40,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765728858] [2024-11-28 02:14:40,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:14:40,644 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:14:40,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:14:40,645 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:14:40,645 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:14:40,646 INFO L87 Difference]: Start difference. First operand 60 states and 91 transitions. Second operand has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-28 02:14:40,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:14:40,902 INFO L93 Difference]: Finished difference Result 175 states and 268 transitions. [2024-11-28 02:14:40,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 02:14:40,903 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 132 [2024-11-28 02:14:40,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:14:40,906 INFO L225 Difference]: With dead ends: 175 [2024-11-28 02:14:40,906 INFO L226 Difference]: Without dead ends: 118 [2024-11-28 02:14:40,907 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:14:40,908 INFO L435 NwaCegarLoop]: 88 mSDtfsCounter, 64 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 250 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 02:14:40,908 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 250 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 02:14:40,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2024-11-28 02:14:40,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 100. [2024-11-28 02:14:40,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 55 states have (on average 1.2181818181818183) internal successors, (67), 55 states have internal predecessors, (67), 42 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-11-28 02:14:40,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 151 transitions. [2024-11-28 02:14:40,970 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 151 transitions. Word has length 132 [2024-11-28 02:14:40,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:14:40,971 INFO L471 AbstractCegarLoop]: Abstraction has 100 states and 151 transitions. [2024-11-28 02:14:40,971 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-28 02:14:40,975 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 151 transitions. [2024-11-28 02:14:40,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-28 02:14:40,978 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:14:40,978 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:14:40,979 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 02:14:40,979 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:14:40,979 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:14:40,980 INFO L85 PathProgramCache]: Analyzing trace with hash -1414925581, now seen corresponding path program 1 times [2024-11-28 02:14:40,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:14:40,980 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401548300] [2024-11-28 02:14:40,980 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:14:40,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:14:41,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:14:41,405 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-28 02:14:41,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:14:41,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1401548300] [2024-11-28 02:14:41,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1401548300] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:14:41,406 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:14:41,406 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 02:14:41,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1017047397] [2024-11-28 02:14:41,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:14:41,406 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:14:41,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:14:41,407 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:14:41,407 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:14:41,407 INFO L87 Difference]: Start difference. First operand 100 states and 151 transitions. Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-28 02:14:41,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:14:41,677 INFO L93 Difference]: Finished difference Result 221 states and 334 transitions. [2024-11-28 02:14:41,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 02:14:41,678 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 133 [2024-11-28 02:14:41,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:14:41,683 INFO L225 Difference]: With dead ends: 221 [2024-11-28 02:14:41,685 INFO L226 Difference]: Without dead ends: 164 [2024-11-28 02:14:41,686 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:14:41,687 INFO L435 NwaCegarLoop]: 94 mSDtfsCounter, 74 mSDsluCounter, 168 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 262 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 02:14:41,687 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 262 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 02:14:41,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2024-11-28 02:14:41,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 155. [2024-11-28 02:14:41,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 88 states have (on average 1.2613636363636365) internal successors, (111), 88 states have internal predecessors, (111), 63 states have call successors, (63), 3 states have call predecessors, (63), 3 states have return successors, (63), 63 states have call predecessors, (63), 63 states have call successors, (63) [2024-11-28 02:14:41,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 237 transitions. [2024-11-28 02:14:41,756 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 237 transitions. Word has length 133 [2024-11-28 02:14:41,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:14:41,759 INFO L471 AbstractCegarLoop]: Abstraction has 155 states and 237 transitions. [2024-11-28 02:14:41,759 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-28 02:14:41,759 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 237 transitions. [2024-11-28 02:14:41,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-28 02:14:41,766 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:14:41,766 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:14:41,766 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 02:14:41,766 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:14:41,767 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:14:41,767 INFO L85 PathProgramCache]: Analyzing trace with hash -300325752, now seen corresponding path program 1 times [2024-11-28 02:14:41,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:14:41,767 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [294263728] [2024-11-28 02:14:41,767 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:14:41,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:14:41,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:14:42,257 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 24 proven. 36 refuted. 0 times theorem prover too weak. 780 trivial. 0 not checked. [2024-11-28 02:14:42,257 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:14:42,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [294263728] [2024-11-28 02:14:42,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [294263728] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:14:42,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1023279555] [2024-11-28 02:14:42,257 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:14:42,258 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:14:42,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a42369-7fa8-40c3-b740-964ef884c024/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:14:42,262 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a42369-7fa8-40c3-b740-964ef884c024/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:14:42,264 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a42369-7fa8-40c3-b740-964ef884c024/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 02:14:42,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:14:42,455 INFO L256 TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-28 02:14:42,465 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:14:42,730 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 420 proven. 36 refuted. 0 times theorem prover too weak. 384 trivial. 0 not checked. [2024-11-28 02:14:42,730 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:14:43,092 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 24 proven. 36 refuted. 0 times theorem prover too weak. 780 trivial. 0 not checked. [2024-11-28 02:14:43,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1023279555] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 02:14:43,092 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 02:14:43,093 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 8 [2024-11-28 02:14:43,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1076673883] [2024-11-28 02:14:43,093 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 02:14:43,094 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 02:14:43,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:14:43,095 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 02:14:43,095 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-28 02:14:43,095 INFO L87 Difference]: Start difference. First operand 155 states and 237 transitions. Second operand has 8 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 3 states have call successors, (45), 2 states have call predecessors, (45), 4 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2024-11-28 02:14:43,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:14:43,374 INFO L93 Difference]: Finished difference Result 285 states and 426 transitions. [2024-11-28 02:14:43,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 02:14:43,375 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 3 states have call successors, (45), 2 states have call predecessors, (45), 4 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) Word has length 135 [2024-11-28 02:14:43,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:14:43,378 INFO L225 Difference]: With dead ends: 285 [2024-11-28 02:14:43,378 INFO L226 Difference]: Without dead ends: 173 [2024-11-28 02:14:43,379 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 276 GetRequests, 267 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=64, Unknown=0, NotChecked=0, Total=110 [2024-11-28 02:14:43,380 INFO L435 NwaCegarLoop]: 62 mSDtfsCounter, 40 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 145 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 02:14:43,381 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 145 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 02:14:43,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2024-11-28 02:14:43,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 167. [2024-11-28 02:14:43,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 167 states, 97 states have (on average 1.2164948453608246) internal successors, (118), 97 states have internal predecessors, (118), 63 states have call successors, (63), 6 states have call predecessors, (63), 6 states have return successors, (63), 63 states have call predecessors, (63), 63 states have call successors, (63) [2024-11-28 02:14:43,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 244 transitions. [2024-11-28 02:14:43,431 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 244 transitions. Word has length 135 [2024-11-28 02:14:43,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:14:43,433 INFO L471 AbstractCegarLoop]: Abstraction has 167 states and 244 transitions. [2024-11-28 02:14:43,434 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 3 states have call successors, (45), 2 states have call predecessors, (45), 4 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2024-11-28 02:14:43,434 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 244 transitions. [2024-11-28 02:14:43,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-28 02:14:43,438 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:14:43,438 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:14:43,451 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a42369-7fa8-40c3-b740-964ef884c024/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-28 02:14:43,639 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a42369-7fa8-40c3-b740-964ef884c024/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:14:43,639 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:14:43,640 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:14:43,640 INFO L85 PathProgramCache]: Analyzing trace with hash -1109672378, now seen corresponding path program 1 times [2024-11-28 02:14:43,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:14:43,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084375743] [2024-11-28 02:14:43,640 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:14:43,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:14:43,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:14:44,131 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 54 proven. 6 refuted. 0 times theorem prover too weak. 780 trivial. 0 not checked. [2024-11-28 02:14:44,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:14:44,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1084375743] [2024-11-28 02:14:44,132 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1084375743] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:14:44,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1389279651] [2024-11-28 02:14:44,132 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:14:44,132 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:14:44,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a42369-7fa8-40c3-b740-964ef884c024/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:14:44,135 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a42369-7fa8-40c3-b740-964ef884c024/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:14:44,139 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a42369-7fa8-40c3-b740-964ef884c024/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-28 02:14:44,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:14:44,477 INFO L256 TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-28 02:14:44,480 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:14:44,585 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 200 proven. 6 refuted. 0 times theorem prover too weak. 634 trivial. 0 not checked. [2024-11-28 02:14:44,585 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:14:44,844 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 54 proven. 6 refuted. 0 times theorem prover too weak. 780 trivial. 0 not checked. [2024-11-28 02:14:44,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1389279651] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 02:14:44,845 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 02:14:44,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 9 [2024-11-28 02:14:44,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546327065] [2024-11-28 02:14:44,845 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 02:14:44,846 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 02:14:44,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:14:44,846 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 02:14:44,847 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-28 02:14:44,847 INFO L87 Difference]: Start difference. First operand 167 states and 244 transitions. Second operand has 9 states, 9 states have (on average 4.888888888888889) internal successors, (44), 9 states have internal predecessors, (44), 2 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-28 02:14:45,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:14:45,506 INFO L93 Difference]: Finished difference Result 330 states and 467 transitions. [2024-11-28 02:14:45,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-28 02:14:45,507 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.888888888888889) internal successors, (44), 9 states have internal predecessors, (44), 2 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 135 [2024-11-28 02:14:45,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:14:45,511 INFO L225 Difference]: With dead ends: 330 [2024-11-28 02:14:45,511 INFO L226 Difference]: Without dead ends: 269 [2024-11-28 02:14:45,512 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 285 GetRequests, 266 SyntacticMatches, 2 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=112, Invalid=230, Unknown=0, NotChecked=0, Total=342 [2024-11-28 02:14:45,513 INFO L435 NwaCegarLoop]: 111 mSDtfsCounter, 154 mSDsluCounter, 228 mSDsCounter, 0 mSdLazyCounter, 345 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 339 SdHoareTripleChecker+Invalid, 389 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 345 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 02:14:45,513 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [191 Valid, 339 Invalid, 389 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 345 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 02:14:45,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states. [2024-11-28 02:14:45,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 181. [2024-11-28 02:14:45,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 181 states, 108 states have (on average 1.1759259259259258) internal successors, (127), 108 states have internal predecessors, (127), 63 states have call successors, (63), 9 states have call predecessors, (63), 9 states have return successors, (63), 63 states have call predecessors, (63), 63 states have call successors, (63) [2024-11-28 02:14:45,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 253 transitions. [2024-11-28 02:14:45,576 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 253 transitions. Word has length 135 [2024-11-28 02:14:45,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:14:45,576 INFO L471 AbstractCegarLoop]: Abstraction has 181 states and 253 transitions. [2024-11-28 02:14:45,577 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.888888888888889) internal successors, (44), 9 states have internal predecessors, (44), 2 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-28 02:14:45,577 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 253 transitions. [2024-11-28 02:14:45,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-28 02:14:45,579 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:14:45,579 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:14:45,593 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a42369-7fa8-40c3-b740-964ef884c024/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-28 02:14:45,780 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a42369-7fa8-40c3-b740-964ef884c024/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:14:45,780 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:14:45,780 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:14:45,781 INFO L85 PathProgramCache]: Analyzing trace with hash 15243511, now seen corresponding path program 1 times [2024-11-28 02:14:45,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:14:45,781 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586978383] [2024-11-28 02:14:45,781 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:14:45,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:14:45,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:14:45,893 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:14:45,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:14:46,050 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-28 02:14:46,050 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-28 02:14:46,051 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-28 02:14:46,054 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 02:14:46,058 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2024-11-28 02:14:46,229 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 02:14:46,235 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 02:14:46 BoogieIcfgContainer [2024-11-28 02:14:46,236 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 02:14:46,237 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 02:14:46,237 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 02:14:46,237 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 02:14:46,238 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:14:38" (3/4) ... [2024-11-28 02:14:46,245 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-28 02:14:46,246 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 02:14:46,247 INFO L158 Benchmark]: Toolchain (without parser) took 8633.45ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 93.3MB in the beginning and 283.9MB in the end (delta: -190.6MB). Peak memory consumption was 40.2MB. Max. memory is 16.1GB. [2024-11-28 02:14:46,247 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 167.8MB. Free memory is still 103.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:14:46,248 INFO L158 Benchmark]: CACSL2BoogieTranslator took 421.11ms. Allocated memory is still 117.4MB. Free memory was 93.3MB in the beginning and 79.6MB in the end (delta: 13.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 02:14:46,248 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.79ms. Allocated memory is still 117.4MB. Free memory was 79.6MB in the beginning and 77.3MB in the end (delta: 2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 02:14:46,248 INFO L158 Benchmark]: Boogie Preprocessor took 85.70ms. Allocated memory is still 117.4MB. Free memory was 77.3MB in the beginning and 74.2MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:14:46,248 INFO L158 Benchmark]: RCFGBuilder took 517.54ms. Allocated memory is still 117.4MB. Free memory was 74.2MB in the beginning and 55.8MB in the end (delta: 18.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 02:14:46,249 INFO L158 Benchmark]: TraceAbstraction took 7523.67ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 55.4MB in the beginning and 283.9MB in the end (delta: -228.5MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. [2024-11-28 02:14:46,249 INFO L158 Benchmark]: Witness Printer took 9.45ms. Allocated memory is still 352.3MB. Free memory was 283.9MB in the beginning and 283.9MB in the end (delta: 72.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:14:46,253 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43ms. Allocated memory is still 167.8MB. Free memory is still 103.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 421.11ms. Allocated memory is still 117.4MB. Free memory was 93.3MB in the beginning and 79.6MB in the end (delta: 13.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.79ms. Allocated memory is still 117.4MB. Free memory was 79.6MB in the beginning and 77.3MB in the end (delta: 2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 85.70ms. Allocated memory is still 117.4MB. Free memory was 77.3MB in the beginning and 74.2MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 517.54ms. Allocated memory is still 117.4MB. Free memory was 74.2MB in the beginning and 55.8MB in the end (delta: 18.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 7523.67ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 55.4MB in the beginning and 283.9MB in the end (delta: -228.5MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. * Witness Printer took 9.45ms. Allocated memory is still 352.3MB. Free memory was 283.9MB in the beginning and 283.9MB in the end (delta: 72.0kB). 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 someUnaryDOUBLEoperation at line 37, overapproximation of someBinaryDOUBLEComparisonOperation at line 73, overapproximation of someBinaryDOUBLEComparisonOperation at line 58, overapproximation of someBinaryDOUBLEComparisonOperation at line 96, overapproximation of someBinaryDOUBLEComparisonOperation at line 47, overapproximation of someBinaryDOUBLEComparisonOperation at line 48, overapproximation of someBinaryDOUBLEComparisonOperation at line 120, overapproximation of someBinaryDOUBLEComparisonOperation at line 121, overapproximation of someBinaryDOUBLEComparisonOperation at line 68, overapproximation of someBinaryDOUBLEComparisonOperation at line 98, overapproximation of someBinaryDOUBLEComparisonOperation at line 118, overapproximation of someBinaryDOUBLEComparisonOperation at line 136. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 128; [L23] double var_1_4 = 32.3; [L24] double var_1_5 = 0.25; [L25] unsigned char var_1_7 = 2; [L26] signed char var_1_8 = -10; [L27] signed char var_1_9 = 5; [L28] signed char var_1_10 = 4; [L29] signed char var_1_11 = 100; [L30] unsigned long int var_1_12 = 8; [L31] unsigned char var_1_13 = 0; [L32] unsigned long int var_1_15 = 1114432789; [L33] double var_1_17 = 256.8; [L34] double var_1_18 = 1.25; [L35] unsigned long int var_1_19 = 16; [L36] unsigned char var_1_21 = 1; [L37] double var_1_22 = -0.5; [L38] unsigned char var_1_23 = 0; [L39] unsigned char var_1_24 = 1; [L40] unsigned char last_1_var_1_1 = 128; [L41] unsigned long int last_1_var_1_12 = 8; [L42] double last_1_var_1_17 = 256.8; [L43] unsigned char last_1_var_1_21 = 1; VAL [isInitial=0, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_4=323/10, var_1_5=1/4, var_1_7=2, var_1_8=-10, var_1_9=5] [L140] isInitial = 1 [L141] FCALL initially() [L143] CALL updateLastVariables() [L130] last_1_var_1_1 = var_1_1 [L131] last_1_var_1_12 = var_1_12 [L132] last_1_var_1_17 = var_1_17 [L133] last_1_var_1_21 = var_1_21 VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_4=323/10, var_1_5=1/4, var_1_7=2, var_1_8=-10, var_1_9=5] [L143] RET updateLastVariables() [L144] CALL updateVariables() [L95] var_1_4 = __VERIFIER_nondet_double() [L96] CALL assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_5=1/4, var_1_7=2, var_1_8=-10, var_1_9=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_5=1/4, var_1_7=2, var_1_8=-10, var_1_9=5] [L96] RET assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_5=1/4, var_1_7=2, var_1_8=-10, var_1_9=5] [L97] var_1_5 = __VERIFIER_nondet_double() [L98] CALL assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=2, var_1_8=-10, var_1_9=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=2, var_1_8=-10, var_1_9=5] [L98] RET assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=2, var_1_8=-10, var_1_9=5] [L99] var_1_7 = __VERIFIER_nondet_uchar() [L100] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_8=-10, var_1_9=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_8=-10, var_1_9=5] [L100] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_8=-10, var_1_9=5] [L101] CALL assume_abort_if_not(var_1_7 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=-129, var_1_8=-10, var_1_9=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=-129, var_1_8=-10, var_1_9=5] [L101] RET assume_abort_if_not(var_1_7 <= 254) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=-129, var_1_8=-10, var_1_9=5] [L102] var_1_9 = __VERIFIER_nondet_char() [L103] CALL assume_abort_if_not(var_1_9 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=-129, var_1_8=-10, var_1_9=126] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=-129, var_1_8=-10, var_1_9=126] [L103] RET assume_abort_if_not(var_1_9 >= -1) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=-129, var_1_8=-10, var_1_9=126] [L104] CALL assume_abort_if_not(var_1_9 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=-129, var_1_8=-10, var_1_9=126] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=-129, var_1_8=-10, var_1_9=126] [L104] RET assume_abort_if_not(var_1_9 <= 126) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=-129, var_1_8=-10, var_1_9=126] [L105] var_1_10 = __VERIFIER_nondet_char() [L106] CALL assume_abort_if_not(var_1_10 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=126, var_1_11=100, var_1_12=8, var_1_13=0, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=-129, var_1_8=-10, var_1_9=126] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=126, var_1_11=100, var_1_12=8, var_1_13=0, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=-129, var_1_8=-10, var_1_9=126] [L106] RET assume_abort_if_not(var_1_10 >= -1) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=126, var_1_11=100, var_1_12=8, var_1_13=0, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=-129, var_1_8=-10, var_1_9=126] [L107] CALL assume_abort_if_not(var_1_10 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=126, var_1_11=100, var_1_12=8, var_1_13=0, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=-129, var_1_8=-10, var_1_9=126] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=126, var_1_11=100, var_1_12=8, var_1_13=0, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=-129, var_1_8=-10, var_1_9=126] [L107] RET assume_abort_if_not(var_1_10 <= 126) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=126, var_1_11=100, var_1_12=8, var_1_13=0, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=-129, var_1_8=-10, var_1_9=126] [L108] var_1_11 = __VERIFIER_nondet_char() [L109] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=126, var_1_11=0, var_1_12=8, var_1_13=0, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=-129, var_1_8=-10, var_1_9=126] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=126, var_1_11=0, var_1_12=8, var_1_13=0, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=-129, var_1_8=-10, var_1_9=126] [L109] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=126, var_1_11=0, var_1_12=8, var_1_13=0, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=-129, var_1_8=-10, var_1_9=126] [L110] CALL assume_abort_if_not(var_1_11 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=126, var_1_11=0, var_1_12=8, var_1_13=0, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=-129, var_1_8=-10, var_1_9=126] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=126, var_1_11=0, var_1_12=8, var_1_13=0, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=-129, var_1_8=-10, var_1_9=126] [L110] RET assume_abort_if_not(var_1_11 <= 126) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=126, var_1_11=0, var_1_12=8, var_1_13=0, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=-129, var_1_8=-10, var_1_9=126] [L111] var_1_13 = __VERIFIER_nondet_uchar() [L112] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=126, var_1_11=0, var_1_12=8, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=-129, var_1_8=-10, var_1_9=126] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=126, var_1_11=0, var_1_12=8, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=-129, var_1_8=-10, var_1_9=126] [L112] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=126, var_1_11=0, var_1_12=8, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=-129, var_1_8=-10, var_1_9=126] [L113] CALL assume_abort_if_not(var_1_13 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=126, var_1_11=0, var_1_12=8, var_1_13=1, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=-129, var_1_8=-10, var_1_9=126] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=126, var_1_11=0, var_1_12=8, var_1_13=1, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=-129, var_1_8=-10, var_1_9=126] [L113] RET assume_abort_if_not(var_1_13 <= 1) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=126, var_1_11=0, var_1_12=8, var_1_13=1, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=-129, var_1_8=-10, var_1_9=126] [L114] var_1_15 = __VERIFIER_nondet_ulong() [L115] CALL assume_abort_if_not(var_1_15 >= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=126, var_1_11=0, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=-129, var_1_8=-10, var_1_9=126] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=126, var_1_11=0, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=-129, var_1_8=-10, var_1_9=126] [L115] RET assume_abort_if_not(var_1_15 >= 1073741823) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=126, var_1_11=0, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=-129, var_1_8=-10, var_1_9=126] [L116] CALL assume_abort_if_not(var_1_15 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=126, var_1_11=0, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=-129, var_1_8=-10, var_1_9=126] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=126, var_1_11=0, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=-129, var_1_8=-10, var_1_9=126] [L116] RET assume_abort_if_not(var_1_15 <= 2147483647) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=126, var_1_11=0, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=-129, var_1_8=-10, var_1_9=126] [L117] var_1_18 = __VERIFIER_nondet_double() [L118] 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, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=126, var_1_11=0, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=-129, var_1_8=-10, var_1_9=126] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=126, var_1_11=0, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=-129, var_1_8=-10, var_1_9=126] [L118] 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, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=126, var_1_11=0, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=-129, var_1_8=-10, var_1_9=126] [L119] var_1_22 = __VERIFIER_nondet_double() [L120] CALL assume_abort_if_not((var_1_22 >= -922337.2036854776000e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 9223372.036854776000e+12F && var_1_22 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=126, var_1_11=0, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=-129, var_1_8=-10, var_1_9=126] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=126, var_1_11=0, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=-129, var_1_8=-10, var_1_9=126] [L120] RET assume_abort_if_not((var_1_22 >= -922337.2036854776000e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 9223372.036854776000e+12F && var_1_22 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=126, var_1_11=0, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=-129, var_1_8=-10, var_1_9=126] [L121] CALL assume_abort_if_not(var_1_22 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=126, var_1_11=0, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=-129, var_1_8=-10, var_1_9=126] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=126, var_1_11=0, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=-129, var_1_8=-10, var_1_9=126] [L121] RET assume_abort_if_not(var_1_22 != 0.0F) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=126, var_1_11=0, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=-129, var_1_8=-10, var_1_9=126] [L122] var_1_23 = __VERIFIER_nondet_uchar() [L123] CALL assume_abort_if_not(var_1_23 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=126, var_1_11=0, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_19=16, var_1_1=128, var_1_21=1, var_1_24=1, var_1_7=-129, var_1_8=-10, var_1_9=126] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=126, var_1_11=0, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_19=16, var_1_1=128, var_1_21=1, var_1_24=1, var_1_7=-129, var_1_8=-10, var_1_9=126] [L123] RET assume_abort_if_not(var_1_23 >= 0) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=126, var_1_11=0, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_19=16, var_1_1=128, var_1_21=1, var_1_24=1, var_1_7=-129, var_1_8=-10, var_1_9=126] [L124] CALL assume_abort_if_not(var_1_23 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=126, var_1_11=0, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=-256, var_1_24=1, var_1_7=-129, var_1_8=-10, var_1_9=126] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=126, var_1_11=0, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=-256, var_1_24=1, var_1_7=-129, var_1_8=-10, var_1_9=126] [L124] RET assume_abort_if_not(var_1_23 <= 0) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=126, var_1_11=0, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=-256, var_1_24=1, var_1_7=-129, var_1_8=-10, var_1_9=126] [L125] var_1_24 = __VERIFIER_nondet_uchar() [L126] CALL assume_abort_if_not(var_1_24 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=126, var_1_11=0, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=-256, var_1_24=1, var_1_7=-129, var_1_8=-10, var_1_9=126] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=126, var_1_11=0, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=-256, var_1_24=1, var_1_7=-129, var_1_8=-10, var_1_9=126] [L126] RET assume_abort_if_not(var_1_24 >= 1) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=126, var_1_11=0, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=-256, var_1_24=1, var_1_7=-129, var_1_8=-10, var_1_9=126] [L127] CALL assume_abort_if_not(var_1_24 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=126, var_1_11=0, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=-256, var_1_24=1, var_1_7=-129, var_1_8=-10, var_1_9=126] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=126, var_1_11=0, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=-256, var_1_24=1, var_1_7=-129, var_1_8=-10, var_1_9=126] [L127] RET assume_abort_if_not(var_1_24 <= 1) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=126, var_1_11=0, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=-256, var_1_24=1, var_1_7=-129, var_1_8=-10, var_1_9=126] [L144] RET updateVariables() [L145] CALL step() [L47] COND TRUE last_1_var_1_21 || (((((var_1_4) > (last_1_var_1_17)) ? (var_1_4) : (last_1_var_1_17))) > var_1_18) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=126, var_1_11=0, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=-256, var_1_24=1, var_1_7=-129, var_1_8=-10, var_1_9=126] [L48] COND TRUE var_1_18 > ((((last_1_var_1_17) < 0 ) ? -(last_1_var_1_17) : (last_1_var_1_17))) [L49] var_1_19 = last_1_var_1_1 VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=126, var_1_11=0, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_19=128, var_1_1=128, var_1_21=1, var_1_23=-256, var_1_24=1, var_1_7=-129, var_1_8=-10, var_1_9=126] [L56] COND TRUE 32u >= last_1_var_1_12 VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=126, var_1_11=0, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_19=128, var_1_1=128, var_1_21=1, var_1_23=-256, var_1_24=1, var_1_7=-129, var_1_8=-10, var_1_9=126] [L57] COND TRUE last_1_var_1_12 <= last_1_var_1_12 VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=126, var_1_11=0, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_19=128, var_1_1=128, var_1_21=1, var_1_23=-256, var_1_24=1, var_1_7=-129, var_1_8=-10, var_1_9=126] [L58] COND TRUE (var_1_4 - var_1_5) >= last_1_var_1_17 [L59] var_1_1 = var_1_7 VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=126, var_1_11=0, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_19=128, var_1_1=-129, var_1_21=1, var_1_23=-256, var_1_24=1, var_1_7=-129, var_1_8=-10, var_1_9=126] [L65] COND FALSE !((((((~ var_1_1)) < (8)) ? ((~ var_1_1)) : (8))) > var_1_11) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=126, var_1_11=0, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_19=128, var_1_1=-129, var_1_21=1, var_1_23=-256, var_1_24=1, var_1_7=-129, var_1_8=-10, var_1_9=126] [L68] COND TRUE ! (var_1_17 > var_1_5) [L69] var_1_8 = (((((var_1_9) < (var_1_10)) ? (var_1_9) : (var_1_10))) - var_1_11) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=126, var_1_11=0, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_19=128, var_1_1=-129, var_1_21=1, var_1_23=-256, var_1_24=1, var_1_7=-129, var_1_8=126, var_1_9=126] [L73] COND FALSE !((var_1_18 / ((((5.5) > (var_1_22)) ? (5.5) : (var_1_22)))) > 10.5) [L84] var_1_21 = var_1_23 VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=126, var_1_11=0, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_19=128, var_1_1=-129, var_1_21=-256, var_1_23=-256, var_1_24=1, var_1_7=-129, var_1_8=126, var_1_9=126] [L86] COND FALSE !(var_1_21 && var_1_21) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=126, var_1_11=0, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_19=128, var_1_1=-129, var_1_21=-256, var_1_23=-256, var_1_24=1, var_1_7=-129, var_1_8=126, var_1_9=126] [L89] COND FALSE !(\read(var_1_21)) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=126, var_1_11=0, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_19=128, var_1_1=-129, var_1_21=-256, var_1_23=-256, var_1_24=1, var_1_7=-129, var_1_8=126, var_1_9=126] [L145] RET step() [L146] CALL, EXPR property() [L136-L137] return ((((((32u >= last_1_var_1_12) ? ((last_1_var_1_12 <= last_1_var_1_12) ? (((var_1_4 - var_1_5) >= last_1_var_1_17) ? (var_1_1 == ((unsigned char) var_1_7)) : 1) : 1) : (var_1_1 == ((unsigned char) var_1_7))) && ((! (var_1_17 > var_1_5)) ? (var_1_8 == ((signed char) (((((var_1_9) < (var_1_10)) ? (var_1_9) : (var_1_10))) - var_1_11))) : (var_1_8 == ((signed char) -4)))) && ((var_1_21 && var_1_21) ? (var_1_12 == ((unsigned long int) var_1_11)) : (var_1_21 ? (var_1_12 == ((unsigned long int) (((((var_1_19) > ((var_1_11 + var_1_7))) ? (var_1_19) : ((var_1_11 + var_1_7)))) + (var_1_15 - var_1_1)))) : 1))) && (((((((~ var_1_1)) < (8)) ? ((~ var_1_1)) : (8))) > var_1_11) ? (var_1_17 == ((double) var_1_18)) : 1)) && ((last_1_var_1_21 || (((((var_1_4) > (last_1_var_1_17)) ? (var_1_4) : (last_1_var_1_17))) > var_1_18)) ? ((var_1_18 > ((((last_1_var_1_17) < 0 ) ? -(last_1_var_1_17) : (last_1_var_1_17)))) ? (var_1_19 == ((unsigned long int) last_1_var_1_1)) : (var_1_19 == ((unsigned long int) var_1_11))) : (var_1_19 == ((unsigned long int) last_1_var_1_1)))) && (((var_1_18 / ((((5.5) > (var_1_22)) ? (5.5) : (var_1_22)))) > 10.5) ? (var_1_13 ? ((var_1_1 < var_1_19) ? (var_1_21 == ((unsigned char) (! var_1_23))) : (var_1_21 == ((unsigned char) var_1_24))) : (var_1_21 == ((unsigned char) var_1_23))) : (var_1_21 == ((unsigned char) var_1_23))) ; VAL [\result=0, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=126, var_1_11=0, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_19=128, var_1_1=-129, var_1_21=-256, var_1_23=-256, var_1_24=1, var_1_7=-129, var_1_8=126, var_1_9=126] [L146] RET, EXPR property() [L146] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=126, var_1_11=0, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_19=128, var_1_1=-129, var_1_21=-256, var_1_23=-256, var_1_24=1, var_1_7=-129, var_1_8=126, var_1_9=126] [L19] reach_error() VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=126, var_1_11=0, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_19=128, var_1_1=-129, var_1_21=-256, var_1_23=-256, var_1_24=1, var_1_7=-129, var_1_8=126, var_1_9=126] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 64 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 7.3s, OverallIterations: 6, TraceHistogramMax: 21, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 377 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 332 mSDsluCounter, 1087 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 641 mSDsCounter, 176 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 511 IncrementalHoareTripleChecker+Invalid, 687 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 176 mSolverCounterUnsat, 446 mSDtfsCounter, 511 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 708 GetRequests, 674 SyntacticMatches, 2 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=181occurred in iteration=5, InterpolantAutomatonStates: 35, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 5 MinimizatonAttempts, 121 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 3.0s InterpolantComputationTime, 1205 NumberOfCodeBlocks, 1205 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1329 ConstructedInterpolants, 0 QuantifiedInterpolants, 2499 SizeOfPredicates, 5 NumberOfNonLiveVariables, 942 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 10 InterpolantComputations, 3 PerfectInterpolantSequences, 8234/8400 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 02:14:46,284 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a42369-7fa8-40c3-b740-964ef884c024/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a42369-7fa8-40c3-b740-964ef884c024/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a42369-7fa8-40c3-b740-964ef884c024/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_56a42369-7fa8-40c3-b740-964ef884c024/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a42369-7fa8-40c3-b740-964ef884c024/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-51.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a42369-7fa8-40c3-b740-964ef884c024/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_56a42369-7fa8-40c3-b740-964ef884c024/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 d778a78ed5d8f64839ebc759981239a04212e711dc61301fd74be486fa462707 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 02:14:49,312 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 02:14:49,388 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a42369-7fa8-40c3-b740-964ef884c024/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-28 02:14:49,394 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 02:14:49,395 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 02:14:49,468 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 02:14:49,469 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 02:14:49,470 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 02:14:49,471 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 02:14:49,471 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 02:14:49,471 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 02:14:49,471 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 02:14:49,472 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 02:14:49,473 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 02:14:49,473 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 02:14:49,473 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 02:14:49,474 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 02:14:49,475 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 02:14:49,475 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 02:14:49,475 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 02:14:49,475 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 02:14:49,475 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 02:14:49,475 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 02:14:49,475 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-28 02:14:49,475 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-28 02:14:49,475 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-28 02:14:49,475 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 02:14:49,475 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 02:14:49,475 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 02:14:49,476 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 02:14:49,476 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 02:14:49,476 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:14:49,477 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:14:49,477 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:14:49,477 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:14:49,477 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 02:14:49,477 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:14:49,478 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:14:49,478 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:14:49,478 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:14:49,478 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 02:14:49,478 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 02:14:49,478 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 02:14:49,478 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 02:14:49,478 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-28 02:14:49,479 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-28 02:14:49,479 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 02:14:49,479 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 02:14:49,479 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 02:14:49,479 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 02:14:49,479 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_56a42369-7fa8-40c3-b740-964ef884c024/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 -> d778a78ed5d8f64839ebc759981239a04212e711dc61301fd74be486fa462707 [2024-11-28 02:14:49,875 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 02:14:49,888 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 02:14:49,891 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 02:14:49,895 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 02:14:49,895 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 02:14:49,897 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a42369-7fa8-40c3-b740-964ef884c024/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-51.i [2024-11-28 02:14:53,223 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a42369-7fa8-40c3-b740-964ef884c024/bin/uautomizer-verify-aQ6SnzHsRB/data/12666fb18/2076cdf941524e7fb280822b9d48d851/FLAGefcdd468c [2024-11-28 02:14:53,615 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 02:14:53,618 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a42369-7fa8-40c3-b740-964ef884c024/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-51.i [2024-11-28 02:14:53,631 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a42369-7fa8-40c3-b740-964ef884c024/bin/uautomizer-verify-aQ6SnzHsRB/data/12666fb18/2076cdf941524e7fb280822b9d48d851/FLAGefcdd468c [2024-11-28 02:14:53,658 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a42369-7fa8-40c3-b740-964ef884c024/bin/uautomizer-verify-aQ6SnzHsRB/data/12666fb18/2076cdf941524e7fb280822b9d48d851 [2024-11-28 02:14:53,662 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 02:14:53,664 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 02:14:53,667 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 02:14:53,669 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 02:14:53,674 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 02:14:53,675 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:14:53" (1/1) ... [2024-11-28 02:14:53,676 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a2b6eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:14:53, skipping insertion in model container [2024-11-28 02:14:53,676 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:14:53" (1/1) ... [2024-11-28 02:14:53,710 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 02:14:53,930 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_56a42369-7fa8-40c3-b740-964ef884c024/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-51.i[919,932] [2024-11-28 02:14:54,040 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:14:54,069 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 02:14:54,086 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_56a42369-7fa8-40c3-b740-964ef884c024/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-51.i[919,932] [2024-11-28 02:14:54,132 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:14:54,154 INFO L204 MainTranslator]: Completed translation [2024-11-28 02:14:54,155 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:14:54 WrapperNode [2024-11-28 02:14:54,155 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 02:14:54,156 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 02:14:54,156 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 02:14:54,157 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 02:14:54,165 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:14:54" (1/1) ... [2024-11-28 02:14:54,178 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:14:54" (1/1) ... [2024-11-28 02:14:54,208 INFO L138 Inliner]: procedures = 27, calls = 34, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 142 [2024-11-28 02:14:54,208 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 02:14:54,209 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 02:14:54,209 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 02:14:54,209 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 02:14:54,221 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:14:54" (1/1) ... [2024-11-28 02:14:54,222 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:14:54" (1/1) ... [2024-11-28 02:14:54,228 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:14:54" (1/1) ... [2024-11-28 02:14:54,260 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 02:14:54,260 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:14:54" (1/1) ... [2024-11-28 02:14:54,262 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:14:54" (1/1) ... [2024-11-28 02:14:54,282 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:14:54" (1/1) ... [2024-11-28 02:14:54,283 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:14:54" (1/1) ... [2024-11-28 02:14:54,291 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:14:54" (1/1) ... [2024-11-28 02:14:54,297 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:14:54" (1/1) ... [2024-11-28 02:14:54,299 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:14:54" (1/1) ... [2024-11-28 02:14:54,307 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 02:14:54,308 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 02:14:54,309 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 02:14:54,309 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 02:14:54,310 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:14:54" (1/1) ... [2024-11-28 02:14:54,321 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:14:54,338 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a42369-7fa8-40c3-b740-964ef884c024/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:14:54,354 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a42369-7fa8-40c3-b740-964ef884c024/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 02:14:54,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a42369-7fa8-40c3-b740-964ef884c024/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 02:14:54,387 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 02:14:54,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-28 02:14:54,388 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 02:14:54,388 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 02:14:54,388 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 02:14:54,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 02:14:54,512 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 02:14:54,514 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 02:15:07,932 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-28 02:15:07,935 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 02:15:07,951 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 02:15:07,951 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 02:15:07,951 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:15:07 BoogieIcfgContainer [2024-11-28 02:15:07,951 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 02:15:07,955 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 02:15:07,956 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 02:15:07,961 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 02:15:07,962 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:14:53" (1/3) ... [2024-11-28 02:15:07,962 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56a79580 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:15:07, skipping insertion in model container [2024-11-28 02:15:07,963 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:14:54" (2/3) ... [2024-11-28 02:15:07,963 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56a79580 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:15:07, skipping insertion in model container [2024-11-28 02:15:07,963 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:15:07" (3/3) ... [2024-11-28 02:15:07,964 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_dependencies_file-51.i [2024-11-28 02:15:07,980 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 02:15:07,982 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_codestructure_dependencies_file-51.i that has 2 procedures, 64 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 02:15:08,040 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 02:15:08,060 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;@182b5f3e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 02:15:08,060 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 02:15:08,065 INFO L276 IsEmpty]: Start isEmpty. Operand has 64 states, 40 states have (on average 1.425) internal successors, (57), 41 states have internal predecessors, (57), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-28 02:15:08,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-28 02:15:08,079 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:15:08,080 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:15:08,080 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:15:08,086 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:15:08,087 INFO L85 PathProgramCache]: Analyzing trace with hash 1436165920, now seen corresponding path program 1 times [2024-11-28 02:15:08,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:15:08,097 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [111764798] [2024-11-28 02:15:08,097 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:15:08,098 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 02:15:08,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a42369-7fa8-40c3-b740-964ef884c024/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:15:08,100 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a42369-7fa8-40c3-b740-964ef884c024/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 02:15:08,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a42369-7fa8-40c3-b740-964ef884c024/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 02:15:09,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:15:09,059 INFO L256 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 02:15:09,069 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:15:09,166 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 340 proven. 0 refuted. 0 times theorem prover too weak. 500 trivial. 0 not checked. [2024-11-28 02:15:09,167 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:15:09,171 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:15:09,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [111764798] [2024-11-28 02:15:09,172 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [111764798] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:15:09,172 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:15:09,172 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:15:09,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [361306208] [2024-11-28 02:15:09,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:15:09,180 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 02:15:09,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:15:09,203 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 02:15:09,204 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 02:15:09,206 INFO L87 Difference]: Start difference. First operand has 64 states, 40 states have (on average 1.425) internal successors, (57), 41 states have internal predecessors, (57), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) 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, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-28 02:15:09,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:15:09,238 INFO L93 Difference]: Finished difference Result 121 states and 213 transitions. [2024-11-28 02:15:09,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 02:15:09,240 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, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 132 [2024-11-28 02:15:09,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:15:09,251 INFO L225 Difference]: With dead ends: 121 [2024-11-28 02:15:09,252 INFO L226 Difference]: Without dead ends: 60 [2024-11-28 02:15:09,258 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 131 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 02:15:09,261 INFO L435 NwaCegarLoop]: 91 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, 91 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 02:15:09,262 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:15:09,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2024-11-28 02:15:09,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2024-11-28 02:15:09,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 37 states have (on average 1.3243243243243243) internal successors, (49), 37 states have internal predecessors, (49), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-28 02:15:09,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 91 transitions. [2024-11-28 02:15:09,334 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 91 transitions. Word has length 132 [2024-11-28 02:15:09,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:15:09,335 INFO L471 AbstractCegarLoop]: Abstraction has 60 states and 91 transitions. [2024-11-28 02:15:09,336 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, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-28 02:15:09,336 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 91 transitions. [2024-11-28 02:15:09,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-28 02:15:09,339 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:15:09,339 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:15:09,355 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a42369-7fa8-40c3-b740-964ef884c024/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 02:15:09,540 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a42369-7fa8-40c3-b740-964ef884c024/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 02:15:09,540 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:15:09,541 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:15:09,541 INFO L85 PathProgramCache]: Analyzing trace with hash 1688040934, now seen corresponding path program 1 times [2024-11-28 02:15:09,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:15:09,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1668281885] [2024-11-28 02:15:09,543 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:15:09,543 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 02:15:09,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a42369-7fa8-40c3-b740-964ef884c024/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:15:09,545 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a42369-7fa8-40c3-b740-964ef884c024/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 02:15:09,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a42369-7fa8-40c3-b740-964ef884c024/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 02:15:10,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:15:10,615 INFO L256 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 02:15:10,621 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:15:12,754 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-28 02:15:12,755 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:15:12,755 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:15:12,755 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1668281885] [2024-11-28 02:15:12,755 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1668281885] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:15:12,755 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:15:12,756 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:15:12,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819165746] [2024-11-28 02:15:12,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:15:12,757 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:15:12,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:15:12,758 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:15:12,759 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:15:12,759 INFO L87 Difference]: Start difference. First operand 60 states and 91 transitions. Second operand has 4 states, 4 states have (on average 7.5) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-28 02:15:17,296 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.18s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 02:15:21,601 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.22s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 02:15:25,607 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 02:15:29,993 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.17s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 02:15:34,326 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.33s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 02:15:37,261 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.93s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 02:15:37,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:15:37,262 INFO L93 Difference]: Finished difference Result 175 states and 268 transitions. [2024-11-28 02:15:37,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 02:15:37,338 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 132 [2024-11-28 02:15:37,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:15:37,343 INFO L225 Difference]: With dead ends: 175 [2024-11-28 02:15:37,343 INFO L226 Difference]: Without dead ends: 118 [2024-11-28 02:15:37,344 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:15:37,344 INFO L435 NwaCegarLoop]: 89 mSDtfsCounter, 61 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 43 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 251 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.4s IncrementalHoareTripleChecker+Time [2024-11-28 02:15:37,345 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 251 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 14 Invalid, 5 Unknown, 0 Unchecked, 24.4s Time] [2024-11-28 02:15:37,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2024-11-28 02:15:37,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 100. [2024-11-28 02:15:37,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 55 states have (on average 1.2181818181818183) internal successors, (67), 55 states have internal predecessors, (67), 42 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-11-28 02:15:37,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 151 transitions. [2024-11-28 02:15:37,388 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 151 transitions. Word has length 132 [2024-11-28 02:15:37,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:15:37,389 INFO L471 AbstractCegarLoop]: Abstraction has 100 states and 151 transitions. [2024-11-28 02:15:37,390 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-28 02:15:37,390 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 151 transitions. [2024-11-28 02:15:37,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-28 02:15:37,392 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:15:37,392 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:15:37,407 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a42369-7fa8-40c3-b740-964ef884c024/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-28 02:15:37,593 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a42369-7fa8-40c3-b740-964ef884c024/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 02:15:37,593 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:15:37,594 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:15:37,594 INFO L85 PathProgramCache]: Analyzing trace with hash -1414925581, now seen corresponding path program 1 times [2024-11-28 02:15:37,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:15:37,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1303661350] [2024-11-28 02:15:37,595 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:15:37,595 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 02:15:37,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a42369-7fa8-40c3-b740-964ef884c024/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:15:37,598 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a42369-7fa8-40c3-b740-964ef884c024/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 02:15:37,600 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a42369-7fa8-40c3-b740-964ef884c024/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-28 02:15:38,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:15:38,407 INFO L256 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 02:15:38,411 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:15:40,391 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-28 02:15:40,391 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:15:40,391 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:15:40,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1303661350] [2024-11-28 02:15:40,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1303661350] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:15:40,391 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:15:40,391 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:15:40,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293086532] [2024-11-28 02:15:40,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:15:40,392 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:15:40,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:15:40,393 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:15:40,393 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:15:40,393 INFO L87 Difference]: Start difference. First operand 100 states and 151 transitions. Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-28 02:15:44,833 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.18s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 02:15:48,842 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 02:15:53,121 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.19s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 02:15:57,500 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.22s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 02:16:01,505 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 02:16:01,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:16:01,506 INFO L93 Difference]: Finished difference Result 221 states and 334 transitions. [2024-11-28 02:16:01,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 02:16:01,582 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 133 [2024-11-28 02:16:01,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:16:01,586 INFO L225 Difference]: With dead ends: 221 [2024-11-28 02:16:01,586 INFO L226 Difference]: Without dead ends: 164 [2024-11-28 02:16:01,587 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:16:01,588 INFO L435 NwaCegarLoop]: 94 mSDtfsCounter, 71 mSDsluCounter, 167 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 43 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 261 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:16:01,589 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 261 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 10 Invalid, 5 Unknown, 0 Unchecked, 21.0s Time] [2024-11-28 02:16:01,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2024-11-28 02:16:01,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 155. [2024-11-28 02:16:01,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 88 states have (on average 1.2613636363636365) internal successors, (111), 88 states have internal predecessors, (111), 63 states have call successors, (63), 3 states have call predecessors, (63), 3 states have return successors, (63), 63 states have call predecessors, (63), 63 states have call successors, (63) [2024-11-28 02:16:01,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 237 transitions. [2024-11-28 02:16:01,637 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 237 transitions. Word has length 133 [2024-11-28 02:16:01,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:16:01,640 INFO L471 AbstractCegarLoop]: Abstraction has 155 states and 237 transitions. [2024-11-28 02:16:01,640 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-28 02:16:01,640 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 237 transitions. [2024-11-28 02:16:01,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-28 02:16:01,645 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:16:01,646 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:16:01,670 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a42369-7fa8-40c3-b740-964ef884c024/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2024-11-28 02:16:01,846 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a42369-7fa8-40c3-b740-964ef884c024/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 02:16:01,846 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:16:01,847 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:16:01,847 INFO L85 PathProgramCache]: Analyzing trace with hash -300325752, now seen corresponding path program 1 times [2024-11-28 02:16:01,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:16:01,848 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [674599182] [2024-11-28 02:16:01,848 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:16:01,848 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 02:16:01,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a42369-7fa8-40c3-b740-964ef884c024/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:16:01,851 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a42369-7fa8-40c3-b740-964ef884c024/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 02:16:01,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a42369-7fa8-40c3-b740-964ef884c024/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-28 02:16:02,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:16:02,983 INFO L256 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 02:16:02,988 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:16:04,302 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 420 proven. 36 refuted. 0 times theorem prover too weak. 384 trivial. 0 not checked. [2024-11-28 02:16:04,302 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:16:04,632 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:16:04,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [674599182] [2024-11-28 02:16:04,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [674599182] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:16:04,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [112782666] [2024-11-28 02:16:04,633 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:16:04,633 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-28 02:16:04,633 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a42369-7fa8-40c3-b740-964ef884c024/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 [2024-11-28 02:16:04,635 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a42369-7fa8-40c3-b740-964ef884c024/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-28 02:16:04,637 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a42369-7fa8-40c3-b740-964ef884c024/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-28 02:16:06,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:16:06,745 INFO L256 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 02:16:06,749 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:16:08,133 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 420 proven. 36 refuted. 0 times theorem prover too weak. 384 trivial. 0 not checked. [2024-11-28 02:16:08,133 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:16:08,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [112782666] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:16:08,342 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 02:16:08,342 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2024-11-28 02:16:08,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [903560338] [2024-11-28 02:16:08,342 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 02:16:08,343 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 02:16:08,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:16:08,344 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:16:08,344 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-28 02:16:08,344 INFO L87 Difference]: Start difference. First operand 155 states and 237 transitions. Second operand has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-28 02:16:13,927 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.92s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 02:16:14,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:16:14,235 INFO L93 Difference]: Finished difference Result 285 states and 426 transitions. [2024-11-28 02:16:14,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 02:16:14,237 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 135 [2024-11-28 02:16:14,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:16:14,240 INFO L225 Difference]: With dead ends: 285 [2024-11-28 02:16:14,240 INFO L226 Difference]: Without dead ends: 173 [2024-11-28 02:16:14,242 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 302 GetRequests, 295 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2024-11-28 02:16:14,243 INFO L435 NwaCegarLoop]: 62 mSDtfsCounter, 40 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 143 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2024-11-28 02:16:14,243 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 143 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 5.6s Time] [2024-11-28 02:16:14,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2024-11-28 02:16:14,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 167. [2024-11-28 02:16:14,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 167 states, 97 states have (on average 1.2164948453608246) internal successors, (118), 97 states have internal predecessors, (118), 63 states have call successors, (63), 6 states have call predecessors, (63), 6 states have return successors, (63), 63 states have call predecessors, (63), 63 states have call successors, (63) [2024-11-28 02:16:14,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 244 transitions. [2024-11-28 02:16:14,287 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 244 transitions. Word has length 135 [2024-11-28 02:16:14,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:16:14,288 INFO L471 AbstractCegarLoop]: Abstraction has 167 states and 244 transitions. [2024-11-28 02:16:14,288 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-28 02:16:14,288 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 244 transitions. [2024-11-28 02:16:14,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-28 02:16:14,291 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:16:14,291 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:16:14,311 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a42369-7fa8-40c3-b740-964ef884c024/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-28 02:16:14,506 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a42369-7fa8-40c3-b740-964ef884c024/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2024-11-28 02:16:14,692 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a42369-7fa8-40c3-b740-964ef884c024/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a42369-7fa8-40c3-b740-964ef884c024/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 02:16:14,692 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:16:14,692 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:16:14,693 INFO L85 PathProgramCache]: Analyzing trace with hash -1109672378, now seen corresponding path program 1 times [2024-11-28 02:16:14,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:16:14,693 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [814411703] [2024-11-28 02:16:14,693 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:16:14,694 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 02:16:14,694 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a42369-7fa8-40c3-b740-964ef884c024/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:16:14,698 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a42369-7fa8-40c3-b740-964ef884c024/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 02:16:14,699 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a42369-7fa8-40c3-b740-964ef884c024/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2024-11-28 02:16:15,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:16:15,722 INFO L256 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 02:16:15,725 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:16:16,309 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 200 proven. 6 refuted. 0 times theorem prover too weak. 634 trivial. 0 not checked. [2024-11-28 02:16:16,309 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:16:17,687 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 54 proven. 6 refuted. 0 times theorem prover too weak. 780 trivial. 0 not checked. [2024-11-28 02:16:17,688 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:16:17,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [814411703] [2024-11-28 02:16:17,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [814411703] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 02:16:17,688 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 02:16:17,688 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2024-11-28 02:16:17,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121175339] [2024-11-28 02:16:17,688 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 02:16:17,689 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 02:16:17,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:16:17,690 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 02:16:17,690 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-28 02:16:17,690 INFO L87 Difference]: Start difference. First operand 167 states and 244 transitions. Second operand has 8 states, 8 states have (on average 5.25) internal successors, (42), 8 states have internal predecessors, (42), 2 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-28 02:16:23,419 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.17s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 02:16:27,426 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 02:16:31,429 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 02:16:35,837 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.19s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 02:16:39,839 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 02:16:43,845 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 02:16:48,121 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.20s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 02:16:52,126 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 02:16:56,134 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 02:17:00,145 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 02:17:06,948 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.18s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 02:17:10,518 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.57s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 02:17:10,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:17:10,724 INFO L93 Difference]: Finished difference Result 330 states and 467 transitions. [2024-11-28 02:17:10,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-28 02:17:10,725 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.25) internal successors, (42), 8 states have internal predecessors, (42), 2 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 135 [2024-11-28 02:17:10,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:17:10,728 INFO L225 Difference]: With dead ends: 330 [2024-11-28 02:17:10,729 INFO L226 Difference]: Without dead ends: 269 [2024-11-28 02:17:10,730 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 280 GetRequests, 262 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=112, Invalid=230, Unknown=0, NotChecked=0, Total=342 [2024-11-28 02:17:10,730 INFO L435 NwaCegarLoop]: 111 mSDtfsCounter, 106 mSDsluCounter, 191 mSDsCounter, 0 mSdLazyCounter, 296 mSolverCounterSat, 45 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 51.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 302 SdHoareTripleChecker+Invalid, 352 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 296 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 52.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:17:10,731 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 302 Invalid, 352 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 296 Invalid, 11 Unknown, 0 Unchecked, 52.1s Time] [2024-11-28 02:17:10,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states. [2024-11-28 02:17:10,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 181. [2024-11-28 02:17:10,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 181 states, 108 states have (on average 1.1759259259259258) internal successors, (127), 108 states have internal predecessors, (127), 63 states have call successors, (63), 9 states have call predecessors, (63), 9 states have return successors, (63), 63 states have call predecessors, (63), 63 states have call successors, (63) [2024-11-28 02:17:10,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 253 transitions. [2024-11-28 02:17:10,783 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 253 transitions. Word has length 135 [2024-11-28 02:17:10,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:17:10,783 INFO L471 AbstractCegarLoop]: Abstraction has 181 states and 253 transitions. [2024-11-28 02:17:10,784 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.25) internal successors, (42), 8 states have internal predecessors, (42), 2 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-28 02:17:10,784 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 253 transitions. [2024-11-28 02:17:10,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-28 02:17:10,788 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:17:10,788 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:17:10,810 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a42369-7fa8-40c3-b740-964ef884c024/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0 [2024-11-28 02:17:10,988 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a42369-7fa8-40c3-b740-964ef884c024/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 02:17:10,989 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:17:10,990 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:17:10,990 INFO L85 PathProgramCache]: Analyzing trace with hash 15243511, now seen corresponding path program 1 times [2024-11-28 02:17:10,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:17:10,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [544360498] [2024-11-28 02:17:10,990 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:17:10,990 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 02:17:10,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a42369-7fa8-40c3-b740-964ef884c024/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:17:10,992 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a42369-7fa8-40c3-b740-964ef884c024/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 02:17:10,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a42369-7fa8-40c3-b740-964ef884c024/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 (8)] Waiting until timeout for monitored process [2024-11-28 02:17:12,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:17:12,061 INFO L256 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-28 02:17:12,066 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:17:31,601 WARN L286 SmtUtils]: Spent 8.32s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 02:17:39,925 WARN L286 SmtUtils]: Spent 8.32s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 02:17:48,302 WARN L286 SmtUtils]: Spent 8.38s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 02:17:56,664 WARN L286 SmtUtils]: Spent 8.36s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 02:18:04,979 WARN L286 SmtUtils]: Spent 8.31s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 02:18:13,308 WARN L286 SmtUtils]: Spent 8.33s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 02:18:21,652 WARN L286 SmtUtils]: Spent 8.34s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 02:18:33,236 WARN L286 SmtUtils]: Spent 8.34s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 02:18:41,368 WARN L286 SmtUtils]: Spent 8.13s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 02:18:49,726 WARN L286 SmtUtils]: Spent 8.36s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 02:18:58,069 WARN L286 SmtUtils]: Spent 8.34s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 02:19:06,412 WARN L286 SmtUtils]: Spent 8.34s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 02:19:14,737 WARN L286 SmtUtils]: Spent 8.32s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 02:19:23,101 WARN L286 SmtUtils]: Spent 8.36s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 02:19:31,457 WARN L286 SmtUtils]: Spent 8.36s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 02:19:38,986 WARN L286 SmtUtils]: Spent 7.53s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 02:19:47,355 WARN L286 SmtUtils]: Spent 8.37s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 02:19:55,641 WARN L286 SmtUtils]: Spent 8.28s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 02:20:03,971 WARN L286 SmtUtils]: Spent 8.33s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 02:20:12,326 WARN L286 SmtUtils]: Spent 8.35s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 02:20:16,425 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse7 ((_ to_fp 11 53) c_currentRoundingMode (/ 11.0 2.0)))) (let ((.cse6 (fp.gt .cse7 c_~var_1_22~0)) (.cse5 ((_ to_fp 11 53) c_currentRoundingMode (/ 21.0 2.0))) (.cse4 ((_ sign_extend 24) c_~var_1_11~0))) (and (= c_~var_1_23~0 c_~var_1_21~0) (= c_~var_1_7~0 c_~var_1_1~0) (let ((.cse3 ((_ sign_extend 24) c_~var_1_9~0)) (.cse2 ((_ sign_extend 24) c_~var_1_10~0))) (let ((.cse1 (bvneg .cse4)) (.cse0 (bvslt .cse3 .cse2))) (or (and (not .cse0) (= ((_ extract 7 0) (bvadd .cse1 .cse2)) c_~var_1_8~0)) (and (= ((_ extract 7 0) (bvadd .cse3 .cse1)) c_~var_1_8~0) .cse0)))) (= (_ bv1 8) c_~last_1_var_1_21~0) (or (not (fp.gt (fp.div c_currentRoundingMode c_~var_1_18~0 c_~var_1_22~0) .cse5)) .cse6) (bvsle ((_ zero_extend 24) c_~var_1_23~0) (_ bv0 32)) (or (not .cse6) (not (fp.gt (fp.div c_currentRoundingMode c_~var_1_18~0 .cse7) .cse5))) (= (_ bv8 32) c_~var_1_12~0) (= (_ bv8 32) c_~last_1_var_1_12~0) (not (fp.gt c_~var_1_17~0 c_~var_1_5~0)) (= c_~var_1_19~0 ((_ zero_extend 24) c_~last_1_var_1_1~0)) (let ((.cse8 (fp.lt c_~last_1_var_1_17~0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32))))) (or (and (fp.gt c_~var_1_18~0 (fp.neg c_~last_1_var_1_17~0)) .cse8) (and (not .cse8) (fp.gt c_~var_1_18~0 c_~last_1_var_1_17~0)))) (bvsge .cse4 (_ bv0 32))))) is different from false [2024-11-28 02:20:20,519 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse7 ((_ to_fp 11 53) c_currentRoundingMode (/ 11.0 2.0)))) (let ((.cse6 (fp.gt .cse7 c_~var_1_22~0)) (.cse5 ((_ to_fp 11 53) c_currentRoundingMode (/ 21.0 2.0))) (.cse4 ((_ sign_extend 24) c_~var_1_11~0))) (and (= c_~var_1_23~0 c_~var_1_21~0) (= c_~var_1_7~0 c_~var_1_1~0) (let ((.cse3 ((_ sign_extend 24) c_~var_1_9~0)) (.cse2 ((_ sign_extend 24) c_~var_1_10~0))) (let ((.cse1 (bvneg .cse4)) (.cse0 (bvslt .cse3 .cse2))) (or (and (not .cse0) (= ((_ extract 7 0) (bvadd .cse1 .cse2)) c_~var_1_8~0)) (and (= ((_ extract 7 0) (bvadd .cse3 .cse1)) c_~var_1_8~0) .cse0)))) (= (_ bv1 8) c_~last_1_var_1_21~0) (or (not (fp.gt (fp.div c_currentRoundingMode c_~var_1_18~0 c_~var_1_22~0) .cse5)) .cse6) (bvsle ((_ zero_extend 24) c_~var_1_23~0) (_ bv0 32)) (or (not .cse6) (not (fp.gt (fp.div c_currentRoundingMode c_~var_1_18~0 .cse7) .cse5))) (= (_ bv8 32) c_~var_1_12~0) (= (_ bv8 32) c_~last_1_var_1_12~0) (not (fp.gt c_~var_1_17~0 c_~var_1_5~0)) (= c_~var_1_19~0 ((_ zero_extend 24) c_~last_1_var_1_1~0)) (let ((.cse8 (fp.lt c_~last_1_var_1_17~0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32))))) (or (and (fp.gt c_~var_1_18~0 (fp.neg c_~last_1_var_1_17~0)) .cse8) (and (not .cse8) (fp.gt c_~var_1_18~0 c_~last_1_var_1_17~0)))) (bvsge .cse4 (_ bv0 32))))) is different from true [2024-11-28 02:20:28,944 WARN L286 SmtUtils]: Spent 8.40s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 02:20:37,274 WARN L286 SmtUtils]: Spent 8.33s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 02:20:45,565 WARN L286 SmtUtils]: Spent 8.29s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 02:20:53,916 WARN L286 SmtUtils]: Spent 8.35s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 02:21:02,267 WARN L286 SmtUtils]: Spent 8.35s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 02:21:10,599 WARN L286 SmtUtils]: Spent 8.33s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 02:21:18,892 WARN L286 SmtUtils]: Spent 8.29s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 02:21:29,815 WARN L286 SmtUtils]: Spent 8.31s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 02:21:37,967 WARN L286 SmtUtils]: Spent 8.15s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 02:21:46,323 WARN L286 SmtUtils]: Spent 8.35s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 02:21:54,617 WARN L286 SmtUtils]: Spent 8.29s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 02:22:02,933 WARN L286 SmtUtils]: Spent 8.31s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 02:22:11,268 WARN L286 SmtUtils]: Spent 8.33s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 02:22:19,601 WARN L286 SmtUtils]: Spent 8.33s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 02:22:27,937 WARN L286 SmtUtils]: Spent 8.34s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 02:22:36,268 WARN L286 SmtUtils]: Spent 8.33s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 02:22:44,567 WARN L286 SmtUtils]: Spent 8.30s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 02:22:52,942 WARN L286 SmtUtils]: Spent 8.37s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 02:23:01,310 WARN L286 SmtUtils]: Spent 8.37s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 02:23:09,665 WARN L286 SmtUtils]: Spent 8.35s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 02:23:18,029 WARN L286 SmtUtils]: Spent 8.33s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 02:23:26,340 WARN L286 SmtUtils]: Spent 8.31s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 02:23:34,642 WARN L286 SmtUtils]: Spent 8.30s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 02:23:42,984 WARN L286 SmtUtils]: Spent 8.34s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 02:23:51,304 WARN L286 SmtUtils]: Spent 8.32s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 02:23:59,693 WARN L286 SmtUtils]: Spent 8.39s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 02:24:08,009 WARN L286 SmtUtils]: Spent 8.32s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 02:24:19,548 WARN L286 SmtUtils]: Spent 8.31s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 02:24:32,412 WARN L286 SmtUtils]: Spent 8.30s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 02:24:40,709 WARN L286 SmtUtils]: Spent 8.30s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 02:24:49,025 WARN L286 SmtUtils]: Spent 8.32s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 02:24:57,335 WARN L286 SmtUtils]: Spent 8.31s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 02:25:05,667 WARN L286 SmtUtils]: Spent 8.33s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 02:25:13,969 WARN L286 SmtUtils]: Spent 8.30s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 02:25:22,281 WARN L286 SmtUtils]: Spent 8.31s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 02:25:30,621 WARN L286 SmtUtils]: Spent 8.34s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 02:25:38,958 WARN L286 SmtUtils]: Spent 8.34s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 02:25:47,319 WARN L286 SmtUtils]: Spent 8.36s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 02:25:55,656 WARN L286 SmtUtils]: Spent 8.34s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)