./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-51.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cca82709-e576-440e-a8da-20e9b52bae36/bin/uautomizer-verify-zZY32mL2XJ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cca82709-e576-440e-a8da-20e9b52bae36/bin/uautomizer-verify-zZY32mL2XJ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cca82709-e576-440e-a8da-20e9b52bae36/bin/uautomizer-verify-zZY32mL2XJ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cca82709-e576-440e-a8da-20e9b52bae36/bin/uautomizer-verify-zZY32mL2XJ/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-51.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cca82709-e576-440e-a8da-20e9b52bae36/bin/uautomizer-verify-zZY32mL2XJ/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cca82709-e576-440e-a8da-20e9b52bae36/bin/uautomizer-verify-zZY32mL2XJ --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 91502c696c3817feb6a83b9fc9ac9f8d3ae7404690c12bcf1fe920d76454d132 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 22:39:11,981 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 22:39:12,093 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cca82709-e576-440e-a8da-20e9b52bae36/bin/uautomizer-verify-zZY32mL2XJ/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-23 22:39:12,099 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 22:39:12,100 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 22:39:12,126 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 22:39:12,127 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 22:39:12,127 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 22:39:12,128 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-23 22:39:12,129 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-23 22:39:12,129 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 22:39:12,130 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 22:39:12,131 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 22:39:12,132 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 22:39:12,132 INFO L153 SettingsManager]: * Use SBE=true [2023-11-23 22:39:12,133 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 22:39:12,133 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 22:39:12,134 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 22:39:12,135 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 22:39:12,135 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 22:39:12,136 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 22:39:12,137 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 22:39:12,138 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 22:39:12,138 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 22:39:12,139 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 22:39:12,139 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 22:39:12,140 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 22:39:12,140 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 22:39:12,141 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 22:39:12,141 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 22:39:12,142 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 22:39:12,142 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 22:39:12,143 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 22:39:12,144 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 22:39:12,144 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 22:39:12,144 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-23 22:39:12,145 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 22:39:12,145 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 22:39:12,145 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-23 22:39:12,145 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 22:39:12,146 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-23 22:39:12,146 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 22:39:12,146 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cca82709-e576-440e-a8da-20e9b52bae36/bin/uautomizer-verify-zZY32mL2XJ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cca82709-e576-440e-a8da-20e9b52bae36/bin/uautomizer-verify-zZY32mL2XJ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 91502c696c3817feb6a83b9fc9ac9f8d3ae7404690c12bcf1fe920d76454d132 [2023-11-23 22:39:12,432 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 22:39:12,455 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 22:39:12,458 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 22:39:12,459 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 22:39:12,460 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 22:39:12,461 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cca82709-e576-440e-a8da-20e9b52bae36/bin/uautomizer-verify-zZY32mL2XJ/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-51.i [2023-11-23 22:39:15,656 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 22:39:15,921 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 22:39:15,923 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cca82709-e576-440e-a8da-20e9b52bae36/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-51.i [2023-11-23 22:39:15,938 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cca82709-e576-440e-a8da-20e9b52bae36/bin/uautomizer-verify-zZY32mL2XJ/data/9e2656121/4e70a5a35039478aa049c9dfcf8a60dd/FLAG6be655f7c [2023-11-23 22:39:15,958 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cca82709-e576-440e-a8da-20e9b52bae36/bin/uautomizer-verify-zZY32mL2XJ/data/9e2656121/4e70a5a35039478aa049c9dfcf8a60dd [2023-11-23 22:39:15,965 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 22:39:15,968 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 22:39:15,969 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 22:39:15,970 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 22:39:15,976 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 22:39:15,976 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:39:15" (1/1) ... [2023-11-23 22:39:15,978 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a79e856 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:39:15, skipping insertion in model container [2023-11-23 22:39:15,978 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:39:15" (1/1) ... [2023-11-23 22:39:16,030 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 22:39:16,225 WARN L240 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_cca82709-e576-440e-a8da-20e9b52bae36/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-51.i[917,930] [2023-11-23 22:39:16,282 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 22:39:16,294 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 22:39:16,307 WARN L240 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_cca82709-e576-440e-a8da-20e9b52bae36/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-51.i[917,930] [2023-11-23 22:39:16,341 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 22:39:16,361 INFO L206 MainTranslator]: Completed translation [2023-11-23 22:39:16,361 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:39:16 WrapperNode [2023-11-23 22:39:16,361 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 22:39:16,363 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 22:39:16,363 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 22:39:16,363 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 22:39:16,370 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:39:16" (1/1) ... [2023-11-23 22:39:16,381 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:39:16" (1/1) ... [2023-11-23 22:39:16,429 INFO L138 Inliner]: procedures = 26, calls = 43, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 172 [2023-11-23 22:39:16,429 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 22:39:16,430 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 22:39:16,430 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 22:39:16,430 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 22:39:16,445 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:39:16" (1/1) ... [2023-11-23 22:39:16,445 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:39:16" (1/1) ... [2023-11-23 22:39:16,449 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:39:16" (1/1) ... [2023-11-23 22:39:16,465 INFO L189 HeapSplitter]: Split 2 memory accesses to 1 slices as follows [2] [2023-11-23 22:39:16,466 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:39:16" (1/1) ... [2023-11-23 22:39:16,466 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:39:16" (1/1) ... [2023-11-23 22:39:16,479 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:39:16" (1/1) ... [2023-11-23 22:39:16,483 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:39:16" (1/1) ... [2023-11-23 22:39:16,485 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:39:16" (1/1) ... [2023-11-23 22:39:16,487 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:39:16" (1/1) ... [2023-11-23 22:39:16,491 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 22:39:16,492 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 22:39:16,493 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 22:39:16,493 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 22:39:16,494 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:39:16" (1/1) ... [2023-11-23 22:39:16,515 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 22:39:16,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cca82709-e576-440e-a8da-20e9b52bae36/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 22:39:16,545 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cca82709-e576-440e-a8da-20e9b52bae36/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 22:39:16,574 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cca82709-e576-440e-a8da-20e9b52bae36/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 22:39:16,592 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 22:39:16,593 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 22:39:16,593 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 22:39:16,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-23 22:39:16,593 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 22:39:16,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 22:39:16,720 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 22:39:16,722 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 22:39:17,137 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 22:39:17,183 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 22:39:17,183 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 22:39:17,184 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:39:17 BoogieIcfgContainer [2023-11-23 22:39:17,184 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 22:39:17,187 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 22:39:17,187 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 22:39:17,191 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 22:39:17,191 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 10:39:15" (1/3) ... [2023-11-23 22:39:17,192 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@100e9af0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:39:17, skipping insertion in model container [2023-11-23 22:39:17,193 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:39:16" (2/3) ... [2023-11-23 22:39:17,193 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@100e9af0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:39:17, skipping insertion in model container [2023-11-23 22:39:17,193 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:39:17" (3/3) ... [2023-11-23 22:39:17,195 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-51.i [2023-11-23 22:39:17,215 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 22:39:17,216 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 22:39:17,266 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 22:39:17,275 INFO L357 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, mHoare=true, 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;@ca3f6e4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 22:39:17,276 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 22:39:17,281 INFO L276 IsEmpty]: Start isEmpty. Operand has 75 states, 42 states have (on average 1.4047619047619047) internal successors, (59), 43 states have internal predecessors, (59), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2023-11-23 22:39:17,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2023-11-23 22:39:17,299 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 22:39:17,300 INFO L195 NwaCegarLoop]: trace histogram [30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:39:17,301 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 22:39:17,307 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:39:17,309 INFO L85 PathProgramCache]: Analyzing trace with hash 1355258684, now seen corresponding path program 1 times [2023-11-23 22:39:17,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:39:17,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894338640] [2023-11-23 22:39:17,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:39:17,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:39:17,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:39:17,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-23 22:39:17,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:39:17,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 22:39:17,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:39:17,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-23 22:39:17,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:39:17,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-23 22:39:17,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:39:17,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-23 22:39:17,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:39:17,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-11-23 22:39:17,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:39:17,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-23 22:39:17,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:39:17,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-11-23 22:39:17,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:39:17,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-23 22:39:17,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:39:17,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-11-23 22:39:17,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:39:17,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-23 22:39:17,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:39:17,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-11-23 22:39:17,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:39:17,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-23 22:39:17,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:39:17,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-11-23 22:39:17,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:39:17,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-23 22:39:17,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:39:17,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-11-23 22:39:17,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:39:17,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-23 22:39:17,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:39:17,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-11-23 22:39:17,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:39:17,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-11-23 22:39:17,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:39:17,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-11-23 22:39:17,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:39:17,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-23 22:39:17,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:39:17,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-11-23 22:39:17,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:39:17,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-11-23 22:39:17,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:39:17,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-11-23 22:39:17,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:39:17,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-11-23 22:39:17,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:39:17,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-23 22:39:17,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:39:17,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-11-23 22:39:17,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:39:17,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2023-11-23 22:39:17,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:39:17,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-11-23 22:39:17,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:39:17,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2023-11-23 22:39:17,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:39:17,986 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1740 trivial. 0 not checked. [2023-11-23 22:39:17,986 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:39:17,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [894338640] [2023-11-23 22:39:17,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [894338640] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:39:17,988 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:39:17,988 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 22:39:17,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511998879] [2023-11-23 22:39:17,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:39:17,996 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 22:39:17,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:39:18,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 22:39:18,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 22:39:18,030 INFO L87 Difference]: Start difference. First operand has 75 states, 42 states have (on average 1.4047619047619047) internal successors, (59), 43 states have internal predecessors, (59), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) 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, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 2 states have call successors, (30) [2023-11-23 22:39:18,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 22:39:18,123 INFO L93 Difference]: Finished difference Result 147 states and 266 transitions. [2023-11-23 22:39:18,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 22:39:18,126 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, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 2 states have call successors, (30) Word has length 181 [2023-11-23 22:39:18,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 22:39:18,135 INFO L225 Difference]: With dead ends: 147 [2023-11-23 22:39:18,135 INFO L226 Difference]: Without dead ends: 73 [2023-11-23 22:39:18,141 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 22:39:18,152 INFO L413 NwaCegarLoop]: 111 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 22:39:18,153 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 111 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 22:39:18,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2023-11-23 22:39:18,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2023-11-23 22:39:18,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 41 states have (on average 1.3170731707317074) internal successors, (54), 41 states have internal predecessors, (54), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2023-11-23 22:39:18,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 114 transitions. [2023-11-23 22:39:18,224 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 114 transitions. Word has length 181 [2023-11-23 22:39:18,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 22:39:18,225 INFO L495 AbstractCegarLoop]: Abstraction has 73 states and 114 transitions. [2023-11-23 22:39:18,226 INFO L496 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, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 2 states have call successors, (30) [2023-11-23 22:39:18,226 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 114 transitions. [2023-11-23 22:39:18,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2023-11-23 22:39:18,238 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 22:39:18,240 INFO L195 NwaCegarLoop]: trace histogram [30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:39:18,241 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 22:39:18,241 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 22:39:18,242 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:39:18,242 INFO L85 PathProgramCache]: Analyzing trace with hash 143607556, now seen corresponding path program 1 times [2023-11-23 22:39:18,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:39:18,243 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349387201] [2023-11-23 22:39:18,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:39:18,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:39:18,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:39:18,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-23 22:39:18,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:39:18,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 22:39:18,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:39:18,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-23 22:39:18,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:39:18,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-23 22:39:18,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:39:18,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-23 22:39:18,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:39:18,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-11-23 22:39:18,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:39:18,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-23 22:39:18,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:39:18,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-11-23 22:39:18,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:39:18,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-23 22:39:18,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:39:18,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-11-23 22:39:18,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:39:18,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-23 22:39:18,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:39:18,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-11-23 22:39:18,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:39:18,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-23 22:39:18,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:39:18,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-11-23 22:39:18,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:39:18,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-23 22:39:18,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:39:18,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-11-23 22:39:18,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:39:18,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-23 22:39:18,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:39:18,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-11-23 22:39:18,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:39:18,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-11-23 22:39:18,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:39:18,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-11-23 22:39:18,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:39:18,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-23 22:39:18,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:39:18,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-11-23 22:39:18,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:39:18,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-11-23 22:39:18,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:39:18,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-11-23 22:39:18,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:39:18,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-11-23 22:39:18,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:39:18,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-23 22:39:18,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:39:18,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-11-23 22:39:18,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:39:18,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2023-11-23 22:39:18,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:39:18,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-11-23 22:39:18,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:39:18,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2023-11-23 22:39:18,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:39:18,821 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1740 trivial. 0 not checked. [2023-11-23 22:39:18,822 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:39:18,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [349387201] [2023-11-23 22:39:18,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [349387201] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:39:18,822 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:39:18,823 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 22:39:18,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007228580] [2023-11-23 22:39:18,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:39:18,826 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 22:39:18,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:39:18,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 22:39:18,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 22:39:18,833 INFO L87 Difference]: Start difference. First operand 73 states and 114 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2023-11-23 22:39:18,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 22:39:18,929 INFO L93 Difference]: Finished difference Result 190 states and 294 transitions. [2023-11-23 22:39:18,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 22:39:18,930 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) Word has length 181 [2023-11-23 22:39:18,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 22:39:18,939 INFO L225 Difference]: With dead ends: 190 [2023-11-23 22:39:18,939 INFO L226 Difference]: Without dead ends: 118 [2023-11-23 22:39:18,945 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 22:39:18,947 INFO L413 NwaCegarLoop]: 110 mSDtfsCounter, 63 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 215 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 22:39:18,948 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 215 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 22:39:18,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2023-11-23 22:39:18,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 115. [2023-11-23 22:39:18,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 65 states have (on average 1.2923076923076924) internal successors, (84), 66 states have internal predecessors, (84), 47 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (47), 46 states have call predecessors, (47), 47 states have call successors, (47) [2023-11-23 22:39:18,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 178 transitions. [2023-11-23 22:39:18,982 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 178 transitions. Word has length 181 [2023-11-23 22:39:18,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 22:39:18,984 INFO L495 AbstractCegarLoop]: Abstraction has 115 states and 178 transitions. [2023-11-23 22:39:18,984 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2023-11-23 22:39:18,984 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 178 transitions. [2023-11-23 22:39:18,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2023-11-23 22:39:18,987 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 22:39:18,987 INFO L195 NwaCegarLoop]: trace histogram [30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:39:18,988 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-23 22:39:18,988 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 22:39:18,988 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:39:18,988 INFO L85 PathProgramCache]: Analyzing trace with hash 1427922676, now seen corresponding path program 1 times [2023-11-23 22:39:18,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:39:18,989 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472575919] [2023-11-23 22:39:18,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:39:18,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:39:19,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:39:19,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-23 22:39:19,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:39:19,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 22:39:19,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:39:19,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-23 22:39:19,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:39:19,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-23 22:39:19,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:39:19,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-23 22:39:19,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:39:19,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-11-23 22:39:19,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:39:19,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-23 22:39:19,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:39:19,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-11-23 22:39:19,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:39:19,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-23 22:39:19,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:39:19,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-11-23 22:39:19,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:39:19,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-23 22:39:19,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:39:19,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-11-23 22:39:19,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:39:19,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-23 22:39:19,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:39:19,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-11-23 22:39:19,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:39:19,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-23 22:39:19,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:39:19,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-11-23 22:39:19,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:39:19,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-23 22:39:19,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:39:19,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-11-23 22:39:19,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:39:19,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-11-23 22:39:19,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:39:19,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-11-23 22:39:19,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:39:19,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-23 22:39:19,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:39:19,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-11-23 22:39:19,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:39:19,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-11-23 22:39:19,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:39:19,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-11-23 22:39:19,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:39:19,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-11-23 22:39:19,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:39:19,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-23 22:39:19,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:39:19,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-11-23 22:39:19,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:39:19,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2023-11-23 22:39:19,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:39:19,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-11-23 22:39:19,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:39:19,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2023-11-23 22:39:19,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:39:19,680 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 39 proven. 48 refuted. 0 times theorem prover too weak. 1653 trivial. 0 not checked. [2023-11-23 22:39:19,681 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:39:19,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1472575919] [2023-11-23 22:39:19,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1472575919] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 22:39:19,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1389355480] [2023-11-23 22:39:19,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:39:19,682 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 22:39:19,682 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cca82709-e576-440e-a8da-20e9b52bae36/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 22:39:19,684 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cca82709-e576-440e-a8da-20e9b52bae36/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 22:39:19,688 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cca82709-e576-440e-a8da-20e9b52bae36/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-23 22:39:19,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:39:19,867 INFO L262 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 22:39:19,885 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 22:39:20,099 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 887 proven. 48 refuted. 0 times theorem prover too weak. 805 trivial. 0 not checked. [2023-11-23 22:39:20,099 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 22:39:20,338 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 39 proven. 48 refuted. 0 times theorem prover too weak. 1653 trivial. 0 not checked. [2023-11-23 22:39:20,339 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1389355480] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 22:39:20,339 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-23 22:39:20,339 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 8 [2023-11-23 22:39:20,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1243712364] [2023-11-23 22:39:20,340 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-23 22:39:20,341 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-23 22:39:20,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:39:20,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-23 22:39:20,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-23 22:39:20,343 INFO L87 Difference]: Start difference. First operand 115 states and 178 transitions. Second operand has 8 states, 8 states have (on average 7.25) internal successors, (58), 8 states have internal predecessors, (58), 3 states have call successors, (62), 2 states have call predecessors, (62), 4 states have return successors, (63), 3 states have call predecessors, (63), 3 states have call successors, (63) [2023-11-23 22:39:20,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 22:39:20,624 INFO L93 Difference]: Finished difference Result 241 states and 365 transitions. [2023-11-23 22:39:20,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-23 22:39:20,625 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.25) internal successors, (58), 8 states have internal predecessors, (58), 3 states have call successors, (62), 2 states have call predecessors, (62), 4 states have return successors, (63), 3 states have call predecessors, (63), 3 states have call successors, (63) Word has length 182 [2023-11-23 22:39:20,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 22:39:20,633 INFO L225 Difference]: With dead ends: 241 [2023-11-23 22:39:20,633 INFO L226 Difference]: Without dead ends: 127 [2023-11-23 22:39:20,634 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 430 GetRequests, 420 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132 [2023-11-23 22:39:20,637 INFO L413 NwaCegarLoop]: 73 mSDtfsCounter, 124 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 173 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 157 SdHoareTripleChecker+Invalid, 237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 173 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-23 22:39:20,639 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 157 Invalid, 237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 173 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-23 22:39:20,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2023-11-23 22:39:20,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 123. [2023-11-23 22:39:20,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 71 states have (on average 1.2394366197183098) internal successors, (88), 72 states have internal predecessors, (88), 47 states have call successors, (47), 4 states have call predecessors, (47), 4 states have return successors, (47), 46 states have call predecessors, (47), 47 states have call successors, (47) [2023-11-23 22:39:20,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 182 transitions. [2023-11-23 22:39:20,689 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 182 transitions. Word has length 182 [2023-11-23 22:39:20,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 22:39:20,690 INFO L495 AbstractCegarLoop]: Abstraction has 123 states and 182 transitions. [2023-11-23 22:39:20,690 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.25) internal successors, (58), 8 states have internal predecessors, (58), 3 states have call successors, (62), 2 states have call predecessors, (62), 4 states have return successors, (63), 3 states have call predecessors, (63), 3 states have call successors, (63) [2023-11-23 22:39:20,691 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 182 transitions. [2023-11-23 22:39:20,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2023-11-23 22:39:20,693 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 22:39:20,694 INFO L195 NwaCegarLoop]: trace histogram [30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:39:20,722 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cca82709-e576-440e-a8da-20e9b52bae36/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-23 22:39:20,914 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cca82709-e576-440e-a8da-20e9b52bae36/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 22:39:20,915 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 22:39:20,915 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:39:20,915 INFO L85 PathProgramCache]: Analyzing trace with hash 2107981046, now seen corresponding path program 1 times [2023-11-23 22:39:20,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:39:20,916 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [510762975] [2023-11-23 22:39:20,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:39:20,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:39:21,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 22:39:21,011 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 22:39:21,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 22:39:21,210 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-23 22:39:21,210 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 22:39:21,211 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 22:39:21,213 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-23 22:39:21,217 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-11-23 22:39:21,221 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 22:39:21,370 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 10:39:21 BoogieIcfgContainer [2023-11-23 22:39:21,370 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 22:39:21,371 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 22:39:21,371 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 22:39:21,371 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 22:39:21,372 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:39:17" (3/4) ... [2023-11-23 22:39:21,374 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 22:39:21,375 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 22:39:21,377 INFO L158 Benchmark]: Toolchain (without parser) took 5408.21ms. Allocated memory was 132.1MB in the beginning and 176.2MB in the end (delta: 44.0MB). Free memory was 86.9MB in the beginning and 143.9MB in the end (delta: -57.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 22:39:21,379 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 98.6MB. Free memory is still 48.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 22:39:21,380 INFO L158 Benchmark]: CACSL2BoogieTranslator took 392.40ms. Allocated memory is still 132.1MB. Free memory was 86.9MB in the beginning and 72.6MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-23 22:39:21,380 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.77ms. Allocated memory is still 132.1MB. Free memory was 72.6MB in the beginning and 69.8MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 22:39:21,382 INFO L158 Benchmark]: Boogie Preprocessor took 61.75ms. Allocated memory is still 132.1MB. Free memory was 69.8MB in the beginning and 66.3MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 22:39:21,385 INFO L158 Benchmark]: RCFGBuilder took 692.02ms. Allocated memory is still 132.1MB. Free memory was 66.3MB in the beginning and 90.0MB in the end (delta: -23.7MB). Peak memory consumption was 15.2MB. Max. memory is 16.1GB. [2023-11-23 22:39:21,385 INFO L158 Benchmark]: TraceAbstraction took 4183.14ms. Allocated memory was 132.1MB in the beginning and 176.2MB in the end (delta: 44.0MB). Free memory was 89.3MB in the beginning and 143.9MB in the end (delta: -54.6MB). Peak memory consumption was 82.8MB. Max. memory is 16.1GB. [2023-11-23 22:39:21,386 INFO L158 Benchmark]: Witness Printer took 4.83ms. Allocated memory is still 176.2MB. Free memory is still 143.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 22:39:21,395 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 98.6MB. Free memory is still 48.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 392.40ms. Allocated memory is still 132.1MB. Free memory was 86.9MB in the beginning and 72.6MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.77ms. Allocated memory is still 132.1MB. Free memory was 72.6MB in the beginning and 69.8MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.75ms. Allocated memory is still 132.1MB. Free memory was 69.8MB in the beginning and 66.3MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 692.02ms. Allocated memory is still 132.1MB. Free memory was 66.3MB in the beginning and 90.0MB in the end (delta: -23.7MB). Peak memory consumption was 15.2MB. Max. memory is 16.1GB. * TraceAbstraction took 4183.14ms. Allocated memory was 132.1MB in the beginning and 176.2MB in the end (delta: 44.0MB). Free memory was 89.3MB in the beginning and 143.9MB in the end (delta: -54.6MB). Peak memory consumption was 82.8MB. Max. memory is 16.1GB. * Witness Printer took 4.83ms. Allocated memory is still 176.2MB. Free memory is still 143.9MB. 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 someBinaryDOUBLEComparisonOperation at line 152, overapproximation of someUnaryDOUBLEoperation at line 42. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 128; [L23] unsigned long int var_1_2 = 32; [L24] unsigned long int var_1_3 = 128; [L25] double var_1_4 = 32.3; [L26] double var_1_5 = 0.25; [L27] double var_1_6 = 500.6; [L28] unsigned char var_1_7 = 2; [L29] signed char var_1_8 = -10; [L30] signed char var_1_9 = 5; [L31] signed char var_1_10 = 4; [L32] signed char var_1_11 = 100; [L33] unsigned long int var_1_12 = 8; [L34] unsigned char var_1_13 = 0; [L35] unsigned char var_1_14 = 1; [L36] unsigned long int var_1_15 = 1114432789; [L37] unsigned long int var_1_16 = 2; [L38] double var_1_17 = 256.8; [L39] double var_1_18 = 1.25; [L40] unsigned long int var_1_19 = 16; [L41] unsigned char var_1_21 = 1; [L42] double var_1_22 = -0.5; [L43] unsigned char var_1_23 = 0; [L44] unsigned char var_1_24 = 1; [L156] isInitial = 1 [L157] FCALL initially() [L158] COND TRUE 1 [L159] FCALL updateLastVariables() [L160] CALL updateVariables() [L101] var_1_2 = __VERIFIER_nondet_ulong() [L102] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_14=1, var_1_15=1114432789, var_1_16=2, 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_3=128, var_1_4=323/10, var_1_5=1/4, var_1_6=2503/5, var_1_7=2, var_1_8=-10, var_1_9=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_14=1, var_1_15=1114432789, var_1_16=2, 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_3=128, var_1_4=323/10, var_1_5=1/4, var_1_6=2503/5, var_1_7=2, var_1_8=-10, var_1_9=5] [L102] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_14=1, var_1_15=1114432789, var_1_16=2, 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_3=128, var_1_4=323/10, var_1_5=1/4, var_1_6=2503/5, var_1_7=2, var_1_8=-10, var_1_9=5] [L103] CALL assume_abort_if_not(var_1_2 <= 4294967295) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_14=1, var_1_15=1114432789, var_1_16=2, 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_3=128, var_1_4=323/10, var_1_5=1/4, var_1_6=2503/5, var_1_7=2, var_1_8=-10, var_1_9=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_14=1, var_1_15=1114432789, var_1_16=2, 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_3=128, var_1_4=323/10, var_1_5=1/4, var_1_6=2503/5, var_1_7=2, var_1_8=-10, var_1_9=5] [L103] RET assume_abort_if_not(var_1_2 <= 4294967295) VAL [isInitial=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_14=1, var_1_15=1114432789, var_1_16=2, 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_3=128, var_1_4=323/10, var_1_5=1/4, var_1_6=2503/5, var_1_7=2, var_1_8=-10, var_1_9=5] [L104] var_1_3 = __VERIFIER_nondet_ulong() [L105] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_14=1, var_1_15=1114432789, var_1_16=2, 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_6=2503/5, var_1_7=2, var_1_8=-10, var_1_9=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_14=1, var_1_15=1114432789, var_1_16=2, 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_6=2503/5, var_1_7=2, var_1_8=-10, var_1_9=5] [L105] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_14=1, var_1_15=1114432789, var_1_16=2, 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_6=2503/5, var_1_7=2, var_1_8=-10, var_1_9=5] [L106] CALL assume_abort_if_not(var_1_3 <= 4294967295) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_14=1, var_1_15=1114432789, var_1_16=2, 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_6=2503/5, var_1_7=2, var_1_8=-10, var_1_9=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_14=1, var_1_15=1114432789, var_1_16=2, 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_6=2503/5, var_1_7=2, var_1_8=-10, var_1_9=5] [L106] RET assume_abort_if_not(var_1_3 <= 4294967295) VAL [isInitial=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_14=1, var_1_15=1114432789, var_1_16=2, 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_6=2503/5, var_1_7=2, var_1_8=-10, var_1_9=5] [L107] var_1_4 = __VERIFIER_nondet_double() [L108] 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, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_14=1, var_1_15=1114432789, var_1_16=2, 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_6=2503/5, var_1_7=2, var_1_8=-10, var_1_9=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_14=1, var_1_15=1114432789, var_1_16=2, 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_6=2503/5, var_1_7=2, var_1_8=-10, var_1_9=5] [L108] 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, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_14=1, var_1_15=1114432789, var_1_16=2, 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_6=2503/5, var_1_7=2, var_1_8=-10, var_1_9=5] [L109] var_1_5 = __VERIFIER_nondet_double() [L110] 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, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_14=1, var_1_15=1114432789, var_1_16=2, 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_6=2503/5, var_1_7=2, var_1_8=-10, var_1_9=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_14=1, var_1_15=1114432789, var_1_16=2, 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_6=2503/5, var_1_7=2, var_1_8=-10, var_1_9=5] [L110] 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, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_14=1, var_1_15=1114432789, var_1_16=2, 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_6=2503/5, var_1_7=2, var_1_8=-10, var_1_9=5] [L111] var_1_6 = __VERIFIER_nondet_double() [L112] CALL assume_abort_if_not((var_1_6 >= -922337.2036854776000e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854776000e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_14=1, var_1_15=1114432789, var_1_16=2, 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, cond=1, isInitial=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_14=1, var_1_15=1114432789, var_1_16=2, 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] [L112] RET assume_abort_if_not((var_1_6 >= -922337.2036854776000e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854776000e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_14=1, var_1_15=1114432789, var_1_16=2, 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] [L113] var_1_7 = __VERIFIER_nondet_uchar() [L114] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_14=1, var_1_15=1114432789, var_1_16=2, 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, cond=1, isInitial=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_14=1, var_1_15=1114432789, var_1_16=2, 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] [L114] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_14=1, var_1_15=1114432789, var_1_16=2, 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] [L115] CALL assume_abort_if_not(var_1_7 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_14=1, var_1_15=1114432789, var_1_16=2, 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=0, var_1_8=-10, var_1_9=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_14=1, var_1_15=1114432789, var_1_16=2, 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=0, var_1_8=-10, var_1_9=5] [L115] RET assume_abort_if_not(var_1_7 <= 254) VAL [isInitial=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_14=1, var_1_15=1114432789, var_1_16=2, 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=0, var_1_8=-10, var_1_9=5] [L116] var_1_9 = __VERIFIER_nondet_char() [L117] CALL assume_abort_if_not(var_1_9 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_14=1, var_1_15=1114432789, var_1_16=2, 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=0, var_1_8=-10, var_1_9=126] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_14=1, var_1_15=1114432789, var_1_16=2, 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=0, var_1_8=-10, var_1_9=126] [L117] RET assume_abort_if_not(var_1_9 >= -1) VAL [isInitial=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_14=1, var_1_15=1114432789, var_1_16=2, 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=0, var_1_8=-10, var_1_9=126] [L118] CALL assume_abort_if_not(var_1_9 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_14=1, var_1_15=1114432789, var_1_16=2, 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=0, var_1_8=-10, var_1_9=126] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_14=1, var_1_15=1114432789, var_1_16=2, 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=0, var_1_8=-10, var_1_9=126] [L118] RET assume_abort_if_not(var_1_9 <= 126) VAL [isInitial=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_14=1, var_1_15=1114432789, var_1_16=2, 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=0, var_1_8=-10, var_1_9=126] [L119] var_1_10 = __VERIFIER_nondet_char() [L120] CALL assume_abort_if_not(var_1_10 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=100, var_1_12=8, var_1_13=0, var_1_14=1, var_1_15=1114432789, var_1_16=2, 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=0, var_1_8=-10, var_1_9=126] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=126, var_1_11=100, var_1_12=8, var_1_13=0, var_1_14=1, var_1_15=1114432789, var_1_16=2, 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=0, var_1_8=-10, var_1_9=126] [L120] RET assume_abort_if_not(var_1_10 >= -1) VAL [isInitial=1, var_1_10=126, var_1_11=100, var_1_12=8, var_1_13=0, var_1_14=1, var_1_15=1114432789, var_1_16=2, 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=0, var_1_8=-10, var_1_9=126] [L121] CALL assume_abort_if_not(var_1_10 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=100, var_1_12=8, var_1_13=0, var_1_14=1, var_1_15=1114432789, var_1_16=2, 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=0, var_1_8=-10, var_1_9=126] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=126, var_1_11=100, var_1_12=8, var_1_13=0, var_1_14=1, var_1_15=1114432789, var_1_16=2, 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=0, var_1_8=-10, var_1_9=126] [L121] RET assume_abort_if_not(var_1_10 <= 126) VAL [isInitial=1, var_1_10=126, var_1_11=100, var_1_12=8, var_1_13=0, var_1_14=1, var_1_15=1114432789, var_1_16=2, 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=0, var_1_8=-10, var_1_9=126] [L122] var_1_11 = __VERIFIER_nondet_char() [L123] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=1, var_1_12=8, var_1_13=0, var_1_14=1, var_1_15=1114432789, var_1_16=2, 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=0, var_1_8=-10, var_1_9=126] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=126, var_1_11=1, var_1_12=8, var_1_13=0, var_1_14=1, var_1_15=1114432789, var_1_16=2, 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=0, var_1_8=-10, var_1_9=126] [L123] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, var_1_10=126, var_1_11=1, var_1_12=8, var_1_13=0, var_1_14=1, var_1_15=1114432789, var_1_16=2, 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=0, var_1_8=-10, var_1_9=126] [L124] CALL assume_abort_if_not(var_1_11 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=1, var_1_12=8, var_1_13=0, var_1_14=1, var_1_15=1114432789, var_1_16=2, 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=0, var_1_8=-10, var_1_9=126] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=126, var_1_11=1, var_1_12=8, var_1_13=0, var_1_14=1, var_1_15=1114432789, var_1_16=2, 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=0, var_1_8=-10, var_1_9=126] [L124] RET assume_abort_if_not(var_1_11 <= 126) VAL [isInitial=1, var_1_10=126, var_1_11=1, var_1_12=8, var_1_13=0, var_1_14=1, var_1_15=1114432789, var_1_16=2, 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=0, var_1_8=-10, var_1_9=126] [L125] var_1_13 = __VERIFIER_nondet_uchar() [L126] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=1, var_1_12=8, var_1_14=1, var_1_15=1114432789, var_1_16=2, 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=0, var_1_8=-10, var_1_9=126] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=126, var_1_11=1, var_1_12=8, var_1_14=1, var_1_15=1114432789, var_1_16=2, 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=0, var_1_8=-10, var_1_9=126] [L126] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, var_1_10=126, var_1_11=1, var_1_12=8, var_1_14=1, var_1_15=1114432789, var_1_16=2, 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=0, var_1_8=-10, var_1_9=126] [L127] CALL assume_abort_if_not(var_1_13 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=1, var_1_12=8, var_1_13=1, var_1_14=1, var_1_15=1114432789, var_1_16=2, 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=0, var_1_8=-10, var_1_9=126] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=126, var_1_11=1, var_1_12=8, var_1_13=1, var_1_14=1, var_1_15=1114432789, var_1_16=2, 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=0, var_1_8=-10, var_1_9=126] [L127] RET assume_abort_if_not(var_1_13 <= 1) VAL [isInitial=1, var_1_10=126, var_1_11=1, var_1_12=8, var_1_13=1, var_1_14=1, var_1_15=1114432789, var_1_16=2, 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=0, var_1_8=-10, var_1_9=126] [L128] var_1_14 = __VERIFIER_nondet_uchar() [L129] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=1, var_1_12=8, var_1_13=1, var_1_15=1114432789, var_1_16=2, 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=0, var_1_8=-10, var_1_9=126] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=126, var_1_11=1, var_1_12=8, var_1_13=1, var_1_15=1114432789, var_1_16=2, 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=0, var_1_8=-10, var_1_9=126] [L129] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, var_1_10=126, var_1_11=1, var_1_12=8, var_1_13=1, var_1_15=1114432789, var_1_16=2, 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=0, var_1_8=-10, var_1_9=126] [L130] CALL assume_abort_if_not(var_1_14 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=1, var_1_12=8, var_1_13=1, var_1_14=1, var_1_15=1114432789, var_1_16=2, 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=0, var_1_8=-10, var_1_9=126] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=126, var_1_11=1, var_1_12=8, var_1_13=1, var_1_14=1, var_1_15=1114432789, var_1_16=2, 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=0, var_1_8=-10, var_1_9=126] [L130] RET assume_abort_if_not(var_1_14 <= 1) VAL [isInitial=1, var_1_10=126, var_1_11=1, var_1_12=8, var_1_13=1, var_1_14=1, var_1_15=1114432789, var_1_16=2, 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=0, var_1_8=-10, var_1_9=126] [L131] var_1_15 = __VERIFIER_nondet_ulong() [L132] CALL assume_abort_if_not(var_1_15 >= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=1, var_1_12=8, var_1_13=1, var_1_14=1, var_1_15=2147483647, var_1_16=2, 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=0, var_1_8=-10, var_1_9=126] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=126, var_1_11=1, var_1_12=8, var_1_13=1, var_1_14=1, var_1_15=2147483647, var_1_16=2, 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=0, var_1_8=-10, var_1_9=126] [L132] RET assume_abort_if_not(var_1_15 >= 1073741823) VAL [isInitial=1, var_1_10=126, var_1_11=1, var_1_12=8, var_1_13=1, var_1_14=1, var_1_15=2147483647, var_1_16=2, 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=0, var_1_8=-10, var_1_9=126] [L133] CALL assume_abort_if_not(var_1_15 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=1, var_1_12=8, var_1_13=1, var_1_14=1, var_1_15=2147483647, var_1_16=2, 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=0, var_1_8=-10, var_1_9=126] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=126, var_1_11=1, var_1_12=8, var_1_13=1, var_1_14=1, var_1_15=2147483647, var_1_16=2, 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=0, var_1_8=-10, var_1_9=126] [L133] RET assume_abort_if_not(var_1_15 <= 2147483647) VAL [isInitial=1, var_1_10=126, var_1_11=1, var_1_12=8, var_1_13=1, var_1_14=1, var_1_15=2147483647, var_1_16=2, 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=0, var_1_8=-10, var_1_9=126] [L134] var_1_16 = __VERIFIER_nondet_ulong() [L135] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=1, var_1_12=8, var_1_13=1, var_1_14=1, var_1_15=2147483647, 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=0, var_1_8=-10, var_1_9=126] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=126, var_1_11=1, var_1_12=8, var_1_13=1, var_1_14=1, var_1_15=2147483647, 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=0, var_1_8=-10, var_1_9=126] [L135] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, var_1_10=126, var_1_11=1, var_1_12=8, var_1_13=1, var_1_14=1, var_1_15=2147483647, 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=0, var_1_8=-10, var_1_9=126] [L136] CALL assume_abort_if_not(var_1_16 <= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=1, var_1_12=8, var_1_13=1, var_1_14=1, var_1_15=2147483647, var_1_16=1, 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=0, var_1_8=-10, var_1_9=126] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=126, var_1_11=1, var_1_12=8, var_1_13=1, var_1_14=1, var_1_15=2147483647, var_1_16=1, 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=0, var_1_8=-10, var_1_9=126] [L136] RET assume_abort_if_not(var_1_16 <= 1073741823) VAL [isInitial=1, var_1_10=126, var_1_11=1, var_1_12=8, var_1_13=1, var_1_14=1, var_1_15=2147483647, var_1_16=1, 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=0, var_1_8=-10, var_1_9=126] [L137] var_1_18 = __VERIFIER_nondet_double() [L138] CALL assume_abort_if_not((var_1_18 >= -922337.2036854765600e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=1, var_1_12=8, var_1_13=1, var_1_14=1, var_1_15=2147483647, var_1_16=1, 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=0, var_1_8=-10, var_1_9=126] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=126, var_1_11=1, var_1_12=8, var_1_13=1, var_1_14=1, var_1_15=2147483647, var_1_16=1, 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=0, var_1_8=-10, var_1_9=126] [L138] RET assume_abort_if_not((var_1_18 >= -922337.2036854765600e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=126, var_1_11=1, var_1_12=8, var_1_13=1, var_1_14=1, var_1_15=2147483647, var_1_16=1, 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=0, var_1_8=-10, var_1_9=126] [L139] var_1_22 = __VERIFIER_nondet_double() [L140] 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, var_1_10=126, var_1_11=1, var_1_12=8, var_1_13=1, var_1_14=1, var_1_15=2147483647, var_1_16=1, 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=0, var_1_8=-10, var_1_9=126] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=126, var_1_11=1, var_1_12=8, var_1_13=1, var_1_14=1, var_1_15=2147483647, var_1_16=1, 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=0, var_1_8=-10, var_1_9=126] [L140] 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, var_1_10=126, var_1_11=1, var_1_12=8, var_1_13=1, var_1_14=1, var_1_15=2147483647, var_1_16=1, 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=0, var_1_8=-10, var_1_9=126] [L141] CALL assume_abort_if_not(var_1_22 != 0.0F) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=1, var_1_12=8, var_1_13=1, var_1_14=1, var_1_15=2147483647, var_1_16=1, 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=0, var_1_8=-10, var_1_9=126] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=126, var_1_11=1, var_1_12=8, var_1_13=1, var_1_14=1, var_1_15=2147483647, var_1_16=1, 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=0, var_1_8=-10, var_1_9=126] [L141] RET assume_abort_if_not(var_1_22 != 0.0F) VAL [isInitial=1, var_1_10=126, var_1_11=1, var_1_12=8, var_1_13=1, var_1_14=1, var_1_15=2147483647, var_1_16=1, 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=0, var_1_8=-10, var_1_9=126] [L142] var_1_23 = __VERIFIER_nondet_uchar() [L143] CALL assume_abort_if_not(var_1_23 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=1, var_1_12=8, var_1_13=1, var_1_14=1, var_1_15=2147483647, var_1_16=1, var_1_17=1284/5, var_1_19=16, var_1_1=128, var_1_21=1, var_1_24=1, var_1_7=0, var_1_8=-10, var_1_9=126] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=126, var_1_11=1, var_1_12=8, var_1_13=1, var_1_14=1, var_1_15=2147483647, var_1_16=1, var_1_17=1284/5, var_1_19=16, var_1_1=128, var_1_21=1, var_1_24=1, var_1_7=0, var_1_8=-10, var_1_9=126] [L143] RET assume_abort_if_not(var_1_23 >= 0) VAL [isInitial=1, var_1_10=126, var_1_11=1, var_1_12=8, var_1_13=1, var_1_14=1, var_1_15=2147483647, var_1_16=1, var_1_17=1284/5, var_1_19=16, var_1_1=128, var_1_21=1, var_1_24=1, var_1_7=0, var_1_8=-10, var_1_9=126] [L144] CALL assume_abort_if_not(var_1_23 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=1, var_1_12=8, var_1_13=1, var_1_14=1, var_1_15=2147483647, var_1_16=1, 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=0, var_1_8=-10, var_1_9=126] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=126, var_1_11=1, var_1_12=8, var_1_13=1, var_1_14=1, var_1_15=2147483647, var_1_16=1, 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=0, var_1_8=-10, var_1_9=126] [L144] RET assume_abort_if_not(var_1_23 <= 0) VAL [isInitial=1, var_1_10=126, var_1_11=1, var_1_12=8, var_1_13=1, var_1_14=1, var_1_15=2147483647, var_1_16=1, 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=0, var_1_8=-10, var_1_9=126] [L145] var_1_24 = __VERIFIER_nondet_uchar() [L146] CALL assume_abort_if_not(var_1_24 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=1, var_1_12=8, var_1_13=1, var_1_14=1, var_1_15=2147483647, var_1_16=1, 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=0, var_1_8=-10, var_1_9=126] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=126, var_1_11=1, var_1_12=8, var_1_13=1, var_1_14=1, var_1_15=2147483647, var_1_16=1, 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=0, var_1_8=-10, var_1_9=126] [L146] RET assume_abort_if_not(var_1_24 >= 1) VAL [isInitial=1, var_1_10=126, var_1_11=1, var_1_12=8, var_1_13=1, var_1_14=1, var_1_15=2147483647, var_1_16=1, 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=0, var_1_8=-10, var_1_9=126] [L147] CALL assume_abort_if_not(var_1_24 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=1, var_1_12=8, var_1_13=1, var_1_14=1, var_1_15=2147483647, var_1_16=1, 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=0, var_1_8=-10, var_1_9=126] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=126, var_1_11=1, var_1_12=8, var_1_13=1, var_1_14=1, var_1_15=2147483647, var_1_16=1, 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=0, var_1_8=-10, var_1_9=126] [L147] RET assume_abort_if_not(var_1_24 <= 1) VAL [isInitial=1, var_1_10=126, var_1_11=1, var_1_12=8, var_1_13=1, var_1_14=1, var_1_15=2147483647, var_1_16=1, 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=0, var_1_8=-10, var_1_9=126] [L160] RET updateVariables() [L161] CALL step() [L48] unsigned long int stepLocal_1 = var_1_2; [L49] unsigned long int stepLocal_0 = var_1_2; VAL [isInitial=1, stepLocal_0=33, stepLocal_1=33, var_1_10=126, var_1_11=1, var_1_12=8, var_1_13=1, var_1_14=1, var_1_15=2147483647, var_1_16=1, 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_2=33, var_1_7=0, var_1_8=-10, var_1_9=126] [L50] COND FALSE !(32u >= stepLocal_0) [L57] var_1_1 = var_1_7 VAL [isInitial=1, stepLocal_0=33, stepLocal_1=33, var_1_10=126, var_1_11=1, var_1_12=8, var_1_13=1, var_1_14=1, var_1_15=2147483647, var_1_16=1, var_1_17=1284/5, var_1_19=16, var_1_1=0, var_1_21=1, var_1_23=0, var_1_24=1, var_1_2=33, var_1_7=0, var_1_8=-10, var_1_9=126] [L59] COND TRUE ! (var_1_6 > var_1_5) [L60] var_1_8 = (((((var_1_9) < (var_1_10)) ? (var_1_9) : (var_1_10))) - var_1_11) VAL [isInitial=1, stepLocal_0=33, stepLocal_1=33, var_1_10=126, var_1_11=1, var_1_12=8, var_1_13=1, var_1_14=1, var_1_15=2147483647, var_1_16=1, var_1_17=1284/5, var_1_19=16, var_1_1=0, var_1_21=1, var_1_23=0, var_1_24=1, var_1_2=33, var_1_7=0, var_1_8=125, var_1_9=126] [L64] unsigned char stepLocal_2 = var_1_13; VAL [isInitial=1, stepLocal_0=33, stepLocal_1=33, stepLocal_2=1, var_1_10=126, var_1_11=1, var_1_12=8, var_1_13=1, var_1_14=1, var_1_15=2147483647, var_1_16=1, var_1_17=1284/5, var_1_19=16, var_1_1=0, var_1_21=1, var_1_23=0, var_1_24=1, var_1_2=33, var_1_7=0, var_1_8=125, var_1_9=126] [L65] COND TRUE stepLocal_2 && var_1_14 [L66] var_1_12 = var_1_11 VAL [isInitial=1, stepLocal_0=33, stepLocal_1=33, stepLocal_2=1, var_1_10=126, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=2147483647, var_1_16=1, var_1_17=1284/5, var_1_19=16, var_1_1=0, var_1_21=1, var_1_23=0, var_1_24=1, var_1_2=33, var_1_7=0, var_1_8=125, var_1_9=126] [L72] COND FALSE !((((((~ var_1_1)) < (8)) ? ((~ var_1_1)) : (8))) > var_1_11) VAL [isInitial=1, stepLocal_0=33, stepLocal_1=33, stepLocal_2=1, var_1_10=126, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=2147483647, var_1_16=1, var_1_17=1284/5, var_1_19=16, var_1_1=0, var_1_21=1, var_1_23=0, var_1_24=1, var_1_2=33, var_1_7=0, var_1_8=125, var_1_9=126] [L75] unsigned char stepLocal_3 = ((((var_1_4) > (var_1_6)) ? (var_1_4) : (var_1_6))) > var_1_18; VAL [isInitial=1, stepLocal_0=33, stepLocal_1=33, stepLocal_2=1, stepLocal_3=1, var_1_10=126, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=2147483647, var_1_16=1, var_1_17=1284/5, var_1_19=16, var_1_1=0, var_1_21=1, var_1_23=0, var_1_24=1, var_1_2=33, var_1_7=0, var_1_8=125, var_1_9=126] [L76] COND TRUE var_1_14 || stepLocal_3 VAL [isInitial=1, stepLocal_0=33, stepLocal_1=33, stepLocal_2=1, stepLocal_3=1, var_1_10=126, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=2147483647, var_1_16=1, var_1_17=1284/5, var_1_19=16, var_1_1=0, var_1_21=1, var_1_23=0, var_1_24=1, var_1_2=33, var_1_7=0, var_1_8=125, var_1_9=126] [L77] COND TRUE var_1_18 > ((((var_1_17) < 0 ) ? -(var_1_17) : (var_1_17))) [L78] var_1_19 = var_1_16 VAL [isInitial=1, stepLocal_0=33, stepLocal_1=33, stepLocal_2=1, stepLocal_3=1, var_1_10=126, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=2147483647, var_1_16=1, var_1_17=1284/5, var_1_19=1, var_1_1=0, var_1_21=1, var_1_23=0, var_1_24=1, var_1_2=33, var_1_7=0, var_1_8=125, var_1_9=126] [L85] unsigned long int stepLocal_4 = var_1_3; VAL [isInitial=1, stepLocal_0=33, stepLocal_1=33, stepLocal_2=1, stepLocal_3=1, stepLocal_4=34, var_1_10=126, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=2147483647, var_1_16=1, var_1_17=1284/5, var_1_19=1, var_1_1=0, var_1_21=1, var_1_23=0, var_1_24=1, var_1_2=33, var_1_3=34, var_1_7=0, var_1_8=125, var_1_9=126] [L86] COND FALSE !((var_1_18 / ((((5.5) > (var_1_22)) ? (5.5) : (var_1_22)))) > 10.5) [L97] var_1_21 = var_1_23 VAL [isInitial=1, stepLocal_0=33, stepLocal_1=33, stepLocal_2=1, stepLocal_3=1, stepLocal_4=34, var_1_10=126, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=2147483647, var_1_16=1, var_1_17=1284/5, var_1_19=1, var_1_1=0, var_1_21=0, var_1_23=0, var_1_24=1, var_1_2=33, var_1_3=34, var_1_7=0, var_1_8=125, var_1_9=126] [L161] RET step() [L162] CALL, EXPR property() [L152-L153] return ((((((32u >= var_1_2) ? ((var_1_2 <= var_1_3) ? (((var_1_4 - var_1_5) >= var_1_6) ? (var_1_1 == ((unsigned char) var_1_7)) : 1) : 1) : (var_1_1 == ((unsigned char) var_1_7))) && ((! (var_1_6 > 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_13 && var_1_14) ? (var_1_12 == ((unsigned long int) var_1_11)) : (var_1_13 ? (var_1_12 == ((unsigned long int) (((((var_1_1) > ((var_1_11 + var_1_7))) ? (var_1_1) : ((var_1_11 + var_1_7)))) + (var_1_15 - var_1_16)))) : 1))) && (((((((~ var_1_1)) < (8)) ? ((~ var_1_1)) : (8))) > var_1_11) ? (var_1_17 == ((double) var_1_18)) : 1)) && ((var_1_14 || (((((var_1_4) > (var_1_6)) ? (var_1_4) : (var_1_6))) > var_1_18)) ? ((var_1_18 > ((((var_1_17) < 0 ) ? -(var_1_17) : (var_1_17)))) ? (var_1_19 == ((unsigned long int) var_1_16)) : (var_1_19 == ((unsigned long int) var_1_11))) : (var_1_19 == ((unsigned long int) var_1_16)))) && (((var_1_18 / ((((5.5) > (var_1_22)) ? (5.5) : (var_1_22)))) > 10.5) ? (var_1_13 ? ((var_1_2 < var_1_3) ? (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))) ; [L162] RET, EXPR property() [L162] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=126, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=2147483647, var_1_16=1, var_1_17=1284/5, var_1_19=1, var_1_1=0, var_1_21=0, var_1_23=0, var_1_24=1, var_1_2=33, var_1_3=34, var_1_7=0, var_1_8=125, var_1_9=126] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=126, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=2147483647, var_1_16=1, var_1_17=1284/5, var_1_19=1, var_1_1=0, var_1_21=0, var_1_23=0, var_1_24=1, var_1_2=33, var_1_3=34, var_1_7=0, var_1_8=125, var_1_9=126] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 75 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.0s, OverallIterations: 4, TraceHistogramMax: 30, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 200 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 187 mSDsluCounter, 483 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 189 mSDsCounter, 65 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 187 IncrementalHoareTripleChecker+Invalid, 252 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 65 mSolverCounterUnsat, 294 mSDtfsCounter, 187 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 585 GetRequests, 574 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=123occurred in iteration=3, InterpolantAutomatonStates: 13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 7 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 908 NumberOfCodeBlocks, 908 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 903 ConstructedInterpolants, 0 QuantifiedInterpolants, 1338 SizeOfPredicates, 4 NumberOfNonLiveVariables, 400 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 5 InterpolantComputations, 2 PerfectInterpolantSequences, 8556/8700 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 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-23 22:39:21,443 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cca82709-e576-440e-a8da-20e9b52bae36/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cca82709-e576-440e-a8da-20e9b52bae36/bin/uautomizer-verify-zZY32mL2XJ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cca82709-e576-440e-a8da-20e9b52bae36/bin/uautomizer-verify-zZY32mL2XJ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cca82709-e576-440e-a8da-20e9b52bae36/bin/uautomizer-verify-zZY32mL2XJ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cca82709-e576-440e-a8da-20e9b52bae36/bin/uautomizer-verify-zZY32mL2XJ/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-51.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cca82709-e576-440e-a8da-20e9b52bae36/bin/uautomizer-verify-zZY32mL2XJ/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cca82709-e576-440e-a8da-20e9b52bae36/bin/uautomizer-verify-zZY32mL2XJ --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 91502c696c3817feb6a83b9fc9ac9f8d3ae7404690c12bcf1fe920d76454d132 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 22:39:24,399 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 22:39:24,540 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cca82709-e576-440e-a8da-20e9b52bae36/bin/uautomizer-verify-zZY32mL2XJ/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-23 22:39:24,550 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 22:39:24,551 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 22:39:24,602 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 22:39:24,603 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 22:39:24,604 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 22:39:24,605 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-23 22:39:24,610 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-23 22:39:24,611 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 22:39:24,611 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 22:39:24,612 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 22:39:24,614 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 22:39:24,615 INFO L153 SettingsManager]: * Use SBE=true [2023-11-23 22:39:24,616 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 22:39:24,616 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 22:39:24,617 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 22:39:24,617 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 22:39:24,618 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 22:39:24,619 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 22:39:24,620 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 22:39:24,620 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 22:39:24,621 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 22:39:24,621 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 22:39:24,622 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 22:39:24,622 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 22:39:24,623 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 22:39:24,623 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 22:39:24,624 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 22:39:24,625 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 22:39:24,626 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 22:39:24,626 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 22:39:24,626 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 22:39:24,627 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 22:39:24,627 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 22:39:24,628 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 22:39:24,628 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-23 22:39:24,629 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 22:39:24,629 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 22:39:24,629 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-23 22:39:24,630 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 22:39:24,630 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-23 22:39:24,630 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 22:39:24,631 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-23 22:39:24,631 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cca82709-e576-440e-a8da-20e9b52bae36/bin/uautomizer-verify-zZY32mL2XJ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cca82709-e576-440e-a8da-20e9b52bae36/bin/uautomizer-verify-zZY32mL2XJ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 91502c696c3817feb6a83b9fc9ac9f8d3ae7404690c12bcf1fe920d76454d132 [2023-11-23 22:39:25,080 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 22:39:25,104 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 22:39:25,107 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 22:39:25,109 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 22:39:25,110 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 22:39:25,111 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cca82709-e576-440e-a8da-20e9b52bae36/bin/uautomizer-verify-zZY32mL2XJ/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-51.i [2023-11-23 22:39:28,412 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 22:39:28,721 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 22:39:28,721 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cca82709-e576-440e-a8da-20e9b52bae36/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-51.i [2023-11-23 22:39:28,734 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cca82709-e576-440e-a8da-20e9b52bae36/bin/uautomizer-verify-zZY32mL2XJ/data/eb1500db1/3938105d5b924ab995640db7b3a869e1/FLAG783214c01 [2023-11-23 22:39:28,747 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cca82709-e576-440e-a8da-20e9b52bae36/bin/uautomizer-verify-zZY32mL2XJ/data/eb1500db1/3938105d5b924ab995640db7b3a869e1 [2023-11-23 22:39:28,750 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 22:39:28,752 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 22:39:28,753 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 22:39:28,753 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 22:39:28,759 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 22:39:28,760 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:39:28" (1/1) ... [2023-11-23 22:39:28,761 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ad493a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:39:28, skipping insertion in model container [2023-11-23 22:39:28,761 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:39:28" (1/1) ... [2023-11-23 22:39:28,796 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 22:39:28,981 WARN L240 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_cca82709-e576-440e-a8da-20e9b52bae36/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-51.i[917,930] [2023-11-23 22:39:29,093 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 22:39:29,109 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 22:39:29,123 WARN L240 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_cca82709-e576-440e-a8da-20e9b52bae36/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-51.i[917,930] [2023-11-23 22:39:29,159 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 22:39:29,180 INFO L206 MainTranslator]: Completed translation [2023-11-23 22:39:29,181 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:39:29 WrapperNode [2023-11-23 22:39:29,181 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 22:39:29,182 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 22:39:29,183 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 22:39:29,183 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 22:39:29,191 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:39:29" (1/1) ... [2023-11-23 22:39:29,210 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:39:29" (1/1) ... [2023-11-23 22:39:29,247 INFO L138 Inliner]: procedures = 27, calls = 43, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 169 [2023-11-23 22:39:29,247 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 22:39:29,248 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 22:39:29,249 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 22:39:29,249 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 22:39:29,260 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:39:29" (1/1) ... [2023-11-23 22:39:29,261 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:39:29" (1/1) ... [2023-11-23 22:39:29,267 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:39:29" (1/1) ... [2023-11-23 22:39:29,279 INFO L189 HeapSplitter]: Split 2 memory accesses to 1 slices as follows [2] [2023-11-23 22:39:29,280 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:39:29" (1/1) ... [2023-11-23 22:39:29,280 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:39:29" (1/1) ... [2023-11-23 22:39:29,294 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:39:29" (1/1) ... [2023-11-23 22:39:29,298 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:39:29" (1/1) ... [2023-11-23 22:39:29,302 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:39:29" (1/1) ... [2023-11-23 22:39:29,305 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:39:29" (1/1) ... [2023-11-23 22:39:29,310 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 22:39:29,311 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 22:39:29,311 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 22:39:29,311 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 22:39:29,312 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:39:29" (1/1) ... [2023-11-23 22:39:29,319 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 22:39:29,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cca82709-e576-440e-a8da-20e9b52bae36/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 22:39:29,359 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cca82709-e576-440e-a8da-20e9b52bae36/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 22:39:29,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cca82709-e576-440e-a8da-20e9b52bae36/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 22:39:29,409 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 22:39:29,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-23 22:39:29,410 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 22:39:29,410 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 22:39:29,412 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 22:39:29,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 22:39:29,530 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 22:39:29,533 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 22:39:35,658 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 22:39:35,732 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 22:39:35,735 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 22:39:35,736 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:39:35 BoogieIcfgContainer [2023-11-23 22:39:35,736 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 22:39:35,739 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 22:39:35,739 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 22:39:35,742 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 22:39:35,743 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 10:39:28" (1/3) ... [2023-11-23 22:39:35,744 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62d88f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:39:35, skipping insertion in model container [2023-11-23 22:39:35,745 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:39:29" (2/3) ... [2023-11-23 22:39:35,747 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62d88f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:39:35, skipping insertion in model container [2023-11-23 22:39:35,747 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:39:35" (3/3) ... [2023-11-23 22:39:35,749 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-51.i [2023-11-23 22:39:35,771 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 22:39:35,771 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 22:39:35,816 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 22:39:35,825 INFO L357 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, mHoare=true, 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;@603aa186, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 22:39:35,825 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 22:39:35,831 INFO L276 IsEmpty]: Start isEmpty. Operand has 75 states, 42 states have (on average 1.4047619047619047) internal successors, (59), 43 states have internal predecessors, (59), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2023-11-23 22:39:35,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2023-11-23 22:39:35,850 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 22:39:35,851 INFO L195 NwaCegarLoop]: trace histogram [30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:39:35,851 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 22:39:35,857 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:39:35,858 INFO L85 PathProgramCache]: Analyzing trace with hash 1355258684, now seen corresponding path program 1 times [2023-11-23 22:39:35,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-23 22:39:35,872 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [978939949] [2023-11-23 22:39:35,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:39:35,873 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 [2023-11-23 22:39:35,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cca82709-e576-440e-a8da-20e9b52bae36/bin/uautomizer-verify-zZY32mL2XJ/mathsat [2023-11-23 22:39:35,874 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cca82709-e576-440e-a8da-20e9b52bae36/bin/uautomizer-verify-zZY32mL2XJ/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) [2023-11-23 22:39:35,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cca82709-e576-440e-a8da-20e9b52bae36/bin/uautomizer-verify-zZY32mL2XJ/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 [2023-11-23 22:39:36,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:39:36,981 INFO L262 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 22:39:36,997 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 22:39:37,055 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 778 proven. 0 refuted. 0 times theorem prover too weak. 962 trivial. 0 not checked. [2023-11-23 22:39:37,055 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 22:39:37,056 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-23 22:39:37,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [978939949] [2023-11-23 22:39:37,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [978939949] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:39:37,097 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:39:37,097 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 22:39:37,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [145067159] [2023-11-23 22:39:37,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:39:37,107 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 22:39:37,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-23 22:39:37,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 22:39:37,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 22:39:37,161 INFO L87 Difference]: Start difference. First operand has 75 states, 42 states have (on average 1.4047619047619047) internal successors, (59), 43 states have internal predecessors, (59), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) Second operand has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2023-11-23 22:39:39,476 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 22:39:39,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 22:39:39,477 INFO L93 Difference]: Finished difference Result 147 states and 266 transitions. [2023-11-23 22:39:39,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 22:39:39,554 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 181 [2023-11-23 22:39:39,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 22:39:39,561 INFO L225 Difference]: With dead ends: 147 [2023-11-23 22:39:39,561 INFO L226 Difference]: Without dead ends: 73 [2023-11-23 22:39:39,565 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 180 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 22:39:39,568 INFO L413 NwaCegarLoop]: 111 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2023-11-23 22:39:39,570 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 111 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2023-11-23 22:39:39,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2023-11-23 22:39:39,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2023-11-23 22:39:39,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 41 states have (on average 1.3170731707317074) internal successors, (54), 41 states have internal predecessors, (54), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2023-11-23 22:39:39,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 114 transitions. [2023-11-23 22:39:39,648 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 114 transitions. Word has length 181 [2023-11-23 22:39:39,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 22:39:39,649 INFO L495 AbstractCegarLoop]: Abstraction has 73 states and 114 transitions. [2023-11-23 22:39:39,650 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2023-11-23 22:39:39,650 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 114 transitions. [2023-11-23 22:39:39,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2023-11-23 22:39:39,663 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 22:39:39,664 INFO L195 NwaCegarLoop]: trace histogram [30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:39:39,685 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cca82709-e576-440e-a8da-20e9b52bae36/bin/uautomizer-verify-zZY32mL2XJ/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)] Forceful destruction successful, exit code 0 [2023-11-23 22:39:39,878 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cca82709-e576-440e-a8da-20e9b52bae36/bin/uautomizer-verify-zZY32mL2XJ/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 [2023-11-23 22:39:39,879 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 22:39:39,880 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:39:39,880 INFO L85 PathProgramCache]: Analyzing trace with hash 143607556, now seen corresponding path program 1 times [2023-11-23 22:39:39,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-23 22:39:39,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [479128050] [2023-11-23 22:39:39,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:39:39,882 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 [2023-11-23 22:39:39,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cca82709-e576-440e-a8da-20e9b52bae36/bin/uautomizer-verify-zZY32mL2XJ/mathsat [2023-11-23 22:39:39,884 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cca82709-e576-440e-a8da-20e9b52bae36/bin/uautomizer-verify-zZY32mL2XJ/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) [2023-11-23 22:39:39,885 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cca82709-e576-440e-a8da-20e9b52bae36/bin/uautomizer-verify-zZY32mL2XJ/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 [2023-11-23 22:39:40,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:39:40,933 INFO L262 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 22:39:40,942 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 22:39:42,864 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 887 proven. 48 refuted. 0 times theorem prover too weak. 805 trivial. 0 not checked. [2023-11-23 22:39:42,865 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 22:39:43,114 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-23 22:39:43,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [479128050] [2023-11-23 22:39:43,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [479128050] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 22:39:43,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2011167219] [2023-11-23 22:39:43,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:39:43,116 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 22:39:43,116 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cca82709-e576-440e-a8da-20e9b52bae36/bin/uautomizer-verify-zZY32mL2XJ/cvc4 [2023-11-23 22:39:43,122 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cca82709-e576-440e-a8da-20e9b52bae36/bin/uautomizer-verify-zZY32mL2XJ/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 22:39:43,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cca82709-e576-440e-a8da-20e9b52bae36/bin/uautomizer-verify-zZY32mL2XJ/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-23 22:39:43,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:39:43,644 INFO L262 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 22:39:43,652 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 22:39:43,826 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1740 trivial. 0 not checked. [2023-11-23 22:39:43,826 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 22:39:43,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2011167219] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:39:43,826 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-23 22:39:43,827 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2023-11-23 22:39:43,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573492630] [2023-11-23 22:39:43,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:39:43,829 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 22:39:43,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-23 22:39:43,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 22:39:43,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-23 22:39:43,831 INFO L87 Difference]: Start difference. First operand 73 states and 114 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2023-11-23 22:39:46,124 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 22:39:48,140 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 22:39:50,148 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 22:39:50,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 22:39:50,244 INFO L93 Difference]: Finished difference Result 190 states and 294 transitions. [2023-11-23 22:39:50,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 22:39:50,245 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) Word has length 181 [2023-11-23 22:39:50,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 22:39:50,249 INFO L225 Difference]: With dead ends: 190 [2023-11-23 22:39:50,249 INFO L226 Difference]: Without dead ends: 118 [2023-11-23 22:39:50,251 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 374 GetRequests, 369 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-23 22:39:50,252 INFO L413 NwaCegarLoop]: 110 mSDtfsCounter, 63 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 214 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2023-11-23 22:39:50,253 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 214 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 3 Unknown, 0 Unchecked, 6.4s Time] [2023-11-23 22:39:50,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2023-11-23 22:39:50,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 115. [2023-11-23 22:39:50,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 65 states have (on average 1.2923076923076924) internal successors, (84), 66 states have internal predecessors, (84), 47 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (47), 46 states have call predecessors, (47), 47 states have call successors, (47) [2023-11-23 22:39:50,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 178 transitions. [2023-11-23 22:39:50,280 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 178 transitions. Word has length 181 [2023-11-23 22:39:50,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 22:39:50,282 INFO L495 AbstractCegarLoop]: Abstraction has 115 states and 178 transitions. [2023-11-23 22:39:50,282 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2023-11-23 22:39:50,282 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 178 transitions. [2023-11-23 22:39:50,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2023-11-23 22:39:50,285 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 22:39:50,286 INFO L195 NwaCegarLoop]: trace histogram [30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:39:50,311 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cca82709-e576-440e-a8da-20e9b52bae36/bin/uautomizer-verify-zZY32mL2XJ/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)] Forceful destruction successful, exit code 0 [2023-11-23 22:39:50,497 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cca82709-e576-440e-a8da-20e9b52bae36/bin/uautomizer-verify-zZY32mL2XJ/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-11-23 22:39:50,694 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cca82709-e576-440e-a8da-20e9b52bae36/bin/uautomizer-verify-zZY32mL2XJ/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cca82709-e576-440e-a8da-20e9b52bae36/bin/uautomizer-verify-zZY32mL2XJ/cvc4 --incremental --print-success --lang smt [2023-11-23 22:39:50,695 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 22:39:50,696 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:39:50,696 INFO L85 PathProgramCache]: Analyzing trace with hash 1427922676, now seen corresponding path program 1 times [2023-11-23 22:39:50,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-23 22:39:50,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1307894676] [2023-11-23 22:39:50,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:39:50,697 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 [2023-11-23 22:39:50,697 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cca82709-e576-440e-a8da-20e9b52bae36/bin/uautomizer-verify-zZY32mL2XJ/mathsat [2023-11-23 22:39:50,699 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cca82709-e576-440e-a8da-20e9b52bae36/bin/uautomizer-verify-zZY32mL2XJ/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) [2023-11-23 22:39:50,701 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cca82709-e576-440e-a8da-20e9b52bae36/bin/uautomizer-verify-zZY32mL2XJ/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 [2023-11-23 22:39:51,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:39:51,690 INFO L262 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 22:39:51,696 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 22:39:53,376 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 887 proven. 48 refuted. 0 times theorem prover too weak. 805 trivial. 0 not checked. [2023-11-23 22:39:53,376 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 22:39:53,623 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-23 22:39:53,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1307894676] [2023-11-23 22:39:53,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1307894676] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 22:39:53,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1548468113] [2023-11-23 22:39:53,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:39:53,624 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 22:39:53,624 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cca82709-e576-440e-a8da-20e9b52bae36/bin/uautomizer-verify-zZY32mL2XJ/cvc4 [2023-11-23 22:39:53,627 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cca82709-e576-440e-a8da-20e9b52bae36/bin/uautomizer-verify-zZY32mL2XJ/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 22:39:53,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cca82709-e576-440e-a8da-20e9b52bae36/bin/uautomizer-verify-zZY32mL2XJ/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-11-23 22:39:55,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:39:55,777 INFO L262 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 22:39:55,783 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 22:39:57,269 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 887 proven. 48 refuted. 0 times theorem prover too weak. 805 trivial. 0 not checked. [2023-11-23 22:39:57,269 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 22:39:57,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1548468113] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 22:39:57,407 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-23 22:39:57,408 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2023-11-23 22:39:57,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774354939] [2023-11-23 22:39:57,408 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-23 22:39:57,409 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 22:39:57,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-23 22:39:57,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 22:39:57,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-23 22:39:57,410 INFO L87 Difference]: Start difference. First operand 115 states and 178 transitions. Second operand has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 2 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2023-11-23 22:40:01,135 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 22:40:03,143 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 22:40:05,159 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 22:40:05,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 22:40:05,166 INFO L93 Difference]: Finished difference Result 241 states and 365 transitions. [2023-11-23 22:40:05,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-23 22:40:05,265 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 2 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 182 [2023-11-23 22:40:05,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 22:40:05,269 INFO L225 Difference]: With dead ends: 241 [2023-11-23 22:40:05,270 INFO L226 Difference]: Without dead ends: 127 [2023-11-23 22:40:05,271 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 397 GetRequests, 389 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2023-11-23 22:40:05,273 INFO L413 NwaCegarLoop]: 73 mSDtfsCounter, 54 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 168 mSolverCounterSat, 10 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 168 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.5s IncrementalHoareTripleChecker+Time [2023-11-23 22:40:05,273 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 159 Invalid, 181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 168 Invalid, 3 Unknown, 0 Unchecked, 7.5s Time] [2023-11-23 22:40:05,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2023-11-23 22:40:05,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 123. [2023-11-23 22:40:05,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 71 states have (on average 1.2394366197183098) internal successors, (88), 72 states have internal predecessors, (88), 47 states have call successors, (47), 4 states have call predecessors, (47), 4 states have return successors, (47), 46 states have call predecessors, (47), 47 states have call successors, (47) [2023-11-23 22:40:05,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 182 transitions. [2023-11-23 22:40:05,298 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 182 transitions. Word has length 182 [2023-11-23 22:40:05,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 22:40:05,300 INFO L495 AbstractCegarLoop]: Abstraction has 123 states and 182 transitions. [2023-11-23 22:40:05,300 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 2 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2023-11-23 22:40:05,300 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 182 transitions. [2023-11-23 22:40:05,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2023-11-23 22:40:05,303 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 22:40:05,303 INFO L195 NwaCegarLoop]: trace histogram [30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:40:05,319 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cca82709-e576-440e-a8da-20e9b52bae36/bin/uautomizer-verify-zZY32mL2XJ/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2023-11-23 22:40:05,532 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cca82709-e576-440e-a8da-20e9b52bae36/bin/uautomizer-verify-zZY32mL2XJ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2023-11-23 22:40:05,719 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cca82709-e576-440e-a8da-20e9b52bae36/bin/uautomizer-verify-zZY32mL2XJ/cvc4 --incremental --print-success --lang smt,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cca82709-e576-440e-a8da-20e9b52bae36/bin/uautomizer-verify-zZY32mL2XJ/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 [2023-11-23 22:40:05,720 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 22:40:05,720 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:40:05,720 INFO L85 PathProgramCache]: Analyzing trace with hash 2107981046, now seen corresponding path program 1 times [2023-11-23 22:40:05,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-23 22:40:05,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [21037212] [2023-11-23 22:40:05,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:40:05,721 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 [2023-11-23 22:40:05,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cca82709-e576-440e-a8da-20e9b52bae36/bin/uautomizer-verify-zZY32mL2XJ/mathsat [2023-11-23 22:40:05,723 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cca82709-e576-440e-a8da-20e9b52bae36/bin/uautomizer-verify-zZY32mL2XJ/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) [2023-11-23 22:40:05,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cca82709-e576-440e-a8da-20e9b52bae36/bin/uautomizer-verify-zZY32mL2XJ/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 [2023-11-23 22:40:06,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:40:06,639 INFO L262 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-23 22:40:06,646 INFO L285 TraceCheckSpWp]: Computing forward predicates...