./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-38.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fcb833d-a812-45df-84c1-a707d850b287/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fcb833d-a812-45df-84c1-a707d850b287/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fcb833d-a812-45df-84c1-a707d850b287/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fcb833d-a812-45df-84c1-a707d850b287/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-38.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fcb833d-a812-45df-84c1-a707d850b287/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fcb833d-a812-45df-84c1-a707d850b287/bin/uautomizer-verify-VRDe98Ueme --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 ad5576ee265c689e1f97ecb60d806cc436384909a7661aea27074eb324006ed2 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 10:43:53,644 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 10:43:53,742 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fcb833d-a812-45df-84c1-a707d850b287/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-26 10:43:53,751 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 10:43:53,751 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 10:43:53,791 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 10:43:53,796 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 10:43:53,797 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 10:43:53,798 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 10:43:53,800 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 10:43:53,800 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 10:43:53,802 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 10:43:53,803 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 10:43:53,806 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 10:43:53,807 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 10:43:53,807 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 10:43:53,809 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 10:43:53,814 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 10:43:53,815 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 10:43:53,815 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 10:43:53,816 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 10:43:53,817 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 10:43:53,817 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 10:43:53,817 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 10:43:53,818 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 10:43:53,818 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 10:43:53,821 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 10:43:53,821 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 10:43:53,822 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 10:43:53,822 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 10:43:53,823 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 10:43:53,823 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 10:43:53,824 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 10:43:53,825 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 10:43:53,826 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 10:43:53,826 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 10:43:53,826 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 10:43:53,826 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 10:43:53,827 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 10:43:53,827 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 10:43:53,827 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 10:43:53,827 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 10:43:53,828 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_3fcb833d-a812-45df-84c1-a707d850b287/bin/uautomizer-verify-VRDe98Ueme/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fcb833d-a812-45df-84c1-a707d850b287/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ad5576ee265c689e1f97ecb60d806cc436384909a7661aea27074eb324006ed2 [2023-11-26 10:43:54,156 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 10:43:54,186 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 10:43:54,188 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 10:43:54,190 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 10:43:54,190 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 10:43:54,192 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fcb833d-a812-45df-84c1-a707d850b287/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-38.i [2023-11-26 10:43:57,299 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 10:43:57,559 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 10:43:57,561 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fcb833d-a812-45df-84c1-a707d850b287/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-38.i [2023-11-26 10:43:57,572 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fcb833d-a812-45df-84c1-a707d850b287/bin/uautomizer-verify-VRDe98Ueme/data/a10385885/6b9e12874ed34ecc8817225419b20b34/FLAG8d34ec574 [2023-11-26 10:43:57,589 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fcb833d-a812-45df-84c1-a707d850b287/bin/uautomizer-verify-VRDe98Ueme/data/a10385885/6b9e12874ed34ecc8817225419b20b34 [2023-11-26 10:43:57,594 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 10:43:57,598 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 10:43:57,599 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 10:43:57,600 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 10:43:57,605 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 10:43:57,606 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:43:57" (1/1) ... [2023-11-26 10:43:57,607 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79b93e29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:43:57, skipping insertion in model container [2023-11-26 10:43:57,607 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:43:57" (1/1) ... [2023-11-26 10:43:57,648 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 10:43:57,835 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_3fcb833d-a812-45df-84c1-a707d850b287/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-38.i[913,926] [2023-11-26 10:43:57,891 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:43:57,905 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 10:43:57,932 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_3fcb833d-a812-45df-84c1-a707d850b287/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-38.i[913,926] [2023-11-26 10:43:57,959 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:43:57,975 INFO L206 MainTranslator]: Completed translation [2023-11-26 10:43:57,976 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:43:57 WrapperNode [2023-11-26 10:43:57,976 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 10:43:57,977 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 10:43:57,978 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 10:43:57,978 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 10:43:57,985 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:43:57" (1/1) ... [2023-11-26 10:43:57,996 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:43:57" (1/1) ... [2023-11-26 10:43:58,039 INFO L138 Inliner]: procedures = 26, calls = 37, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 132 [2023-11-26 10:43:58,039 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 10:43:58,040 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 10:43:58,040 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 10:43:58,040 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 10:43:58,052 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:43:57" (1/1) ... [2023-11-26 10:43:58,052 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:43:57" (1/1) ... [2023-11-26 10:43:58,055 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:43:57" (1/1) ... [2023-11-26 10:43:58,084 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-11-26 10:43:58,085 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:43:57" (1/1) ... [2023-11-26 10:43:58,085 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:43:57" (1/1) ... [2023-11-26 10:43:58,095 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:43:57" (1/1) ... [2023-11-26 10:43:58,098 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:43:57" (1/1) ... [2023-11-26 10:43:58,101 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:43:57" (1/1) ... [2023-11-26 10:43:58,103 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:43:57" (1/1) ... [2023-11-26 10:43:58,107 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 10:43:58,108 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 10:43:58,108 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 10:43:58,108 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 10:43:58,109 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:43:57" (1/1) ... [2023-11-26 10:43:58,115 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 10:43:58,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fcb833d-a812-45df-84c1-a707d850b287/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:43:58,161 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fcb833d-a812-45df-84c1-a707d850b287/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 10:43:58,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fcb833d-a812-45df-84c1-a707d850b287/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 10:43:58,205 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 10:43:58,206 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-26 10:43:58,206 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-26 10:43:58,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-26 10:43:58,206 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 10:43:58,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 10:43:58,326 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 10:43:58,329 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 10:43:58,671 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 10:43:58,753 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 10:43:58,753 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-26 10:43:58,754 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:43:58 BoogieIcfgContainer [2023-11-26 10:43:58,754 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 10:43:58,757 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 10:43:58,757 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 10:43:58,761 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 10:43:58,761 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 10:43:57" (1/3) ... [2023-11-26 10:43:58,762 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c6af886 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 10:43:58, skipping insertion in model container [2023-11-26 10:43:58,762 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:43:57" (2/3) ... [2023-11-26 10:43:58,762 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c6af886 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 10:43:58, skipping insertion in model container [2023-11-26 10:43:58,763 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:43:58" (3/3) ... [2023-11-26 10:43:58,769 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-38.i [2023-11-26 10:43:58,791 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 10:43:58,791 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-26 10:43:58,845 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 10:43:58,852 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;@ee4a062, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 10:43:58,852 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-26 10:43:58,857 INFO L276 IsEmpty]: Start isEmpty. Operand has 57 states, 30 states have (on average 1.3) internal successors, (39), 31 states have internal predecessors, (39), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-26 10:43:58,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2023-11-26 10:43:58,874 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:43:58,875 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:43:58,875 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:43:58,881 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:43:58,881 INFO L85 PathProgramCache]: Analyzing trace with hash 214184693, now seen corresponding path program 1 times [2023-11-26 10:43:58,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:43:58,891 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1925782624] [2023-11-26 10:43:58,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:43:58,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:43:59,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:59,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-26 10:43:59,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:59,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-26 10:43:59,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:59,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-26 10:43:59,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:59,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-26 10:43:59,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:59,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-26 10:43:59,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:59,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-26 10:43:59,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:59,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-26 10:43:59,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:59,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-26 10:43:59,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:59,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-26 10:43:59,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:59,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-11-26 10:43:59,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:59,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-26 10:43:59,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:59,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-11-26 10:43:59,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:59,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-11-26 10:43:59,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:59,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-11-26 10:43:59,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:59,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-26 10:43:59,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:59,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-11-26 10:43:59,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:59,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-11-26 10:43:59,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:59,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-11-26 10:43:59,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:59,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-26 10:43:59,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:59,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-11-26 10:43:59,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:59,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-11-26 10:43:59,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:59,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-11-26 10:43:59,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:59,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-11-26 10:43:59,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:59,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-11-26 10:43:59,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:59,414 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2023-11-26 10:43:59,418 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:43:59,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1925782624] [2023-11-26 10:43:59,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1925782624] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:43:59,421 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:43:59,421 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 10:43:59,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546160124] [2023-11-26 10:43:59,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:43:59,435 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-26 10:43:59,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:43:59,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-26 10:43:59,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 10:43:59,479 INFO L87 Difference]: Start difference. First operand has 57 states, 30 states have (on average 1.3) internal successors, (39), 31 states have internal predecessors, (39), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) Second operand has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 2 states have call successors, (24) [2023-11-26 10:43:59,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:43:59,531 INFO L93 Difference]: Finished difference Result 111 states and 196 transitions. [2023-11-26 10:43:59,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-26 10:43:59,534 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 2 states have call successors, (24) Word has length 144 [2023-11-26 10:43:59,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:43:59,542 INFO L225 Difference]: With dead ends: 111 [2023-11-26 10:43:59,543 INFO L226 Difference]: Without dead ends: 55 [2023-11-26 10:43:59,547 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 10:43:59,551 INFO L413 NwaCegarLoop]: 79 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, 79 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 [2023-11-26 10:43:59,552 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 79 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 10:43:59,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2023-11-26 10:43:59,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2023-11-26 10:43:59,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 29 states have (on average 1.1724137931034482) internal successors, (34), 29 states have internal predecessors, (34), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-26 10:43:59,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 82 transitions. [2023-11-26 10:43:59,650 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 82 transitions. Word has length 144 [2023-11-26 10:43:59,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:43:59,652 INFO L495 AbstractCegarLoop]: Abstraction has 55 states and 82 transitions. [2023-11-26 10:43:59,652 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 2 states have call successors, (24) [2023-11-26 10:43:59,652 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 82 transitions. [2023-11-26 10:43:59,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2023-11-26 10:43:59,660 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:43:59,661 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:43:59,661 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-26 10:43:59,662 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:43:59,662 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:43:59,663 INFO L85 PathProgramCache]: Analyzing trace with hash -190037779, now seen corresponding path program 1 times [2023-11-26 10:43:59,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:43:59,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087066093] [2023-11-26 10:43:59,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:43:59,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:43:59,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:59,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-26 10:43:59,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:59,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-26 10:43:59,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:59,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-26 10:43:59,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:59,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-26 10:43:59,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:59,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-26 10:43:59,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:59,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-26 10:43:59,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:59,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-26 10:43:59,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:59,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-26 10:43:59,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:59,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-26 10:43:59,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:59,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-11-26 10:43:59,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:59,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-26 10:43:59,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:59,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-11-26 10:43:59,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:59,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-11-26 10:43:59,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:00,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-11-26 10:44:00,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:00,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-26 10:44:00,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:00,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-11-26 10:44:00,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:00,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-11-26 10:44:00,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:00,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-11-26 10:44:00,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:00,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-26 10:44:00,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:00,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-11-26 10:44:00,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:00,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-11-26 10:44:00,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:00,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-11-26 10:44:00,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:00,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-11-26 10:44:00,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:00,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-11-26 10:44:00,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:00,073 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2023-11-26 10:44:00,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:44:00,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1087066093] [2023-11-26 10:44:00,074 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1087066093] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:44:00,074 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:44:00,074 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 10:44:00,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722110637] [2023-11-26 10:44:00,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:44:00,079 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 10:44:00,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:44:00,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 10:44:00,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:44:00,081 INFO L87 Difference]: Start difference. First operand 55 states and 82 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-26 10:44:00,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:44:00,148 INFO L93 Difference]: Finished difference Result 141 states and 207 transitions. [2023-11-26 10:44:00,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 10:44:00,149 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 144 [2023-11-26 10:44:00,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:44:00,153 INFO L225 Difference]: With dead ends: 141 [2023-11-26 10:44:00,153 INFO L226 Difference]: Without dead ends: 87 [2023-11-26 10:44:00,154 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:44:00,156 INFO L413 NwaCegarLoop]: 78 mSDtfsCounter, 41 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 10:44:00,157 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 149 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 10:44:00,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2023-11-26 10:44:00,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 84. [2023-11-26 10:44:00,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 45 states have (on average 1.1333333333333333) internal successors, (51), 46 states have internal predecessors, (51), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 35 states have call predecessors, (36), 36 states have call successors, (36) [2023-11-26 10:44:00,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 123 transitions. [2023-11-26 10:44:00,205 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 123 transitions. Word has length 144 [2023-11-26 10:44:00,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:44:00,209 INFO L495 AbstractCegarLoop]: Abstraction has 84 states and 123 transitions. [2023-11-26 10:44:00,209 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-26 10:44:00,209 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 123 transitions. [2023-11-26 10:44:00,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2023-11-26 10:44:00,217 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:44:00,217 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:44:00,217 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-26 10:44:00,218 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:44:00,218 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:44:00,219 INFO L85 PathProgramCache]: Analyzing trace with hash -189978197, now seen corresponding path program 1 times [2023-11-26 10:44:00,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:44:00,219 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421476702] [2023-11-26 10:44:00,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:44:00,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:44:00,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:00,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-26 10:44:00,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:01,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-26 10:44:01,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:01,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-26 10:44:01,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:01,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-26 10:44:01,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:01,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-26 10:44:01,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:01,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-26 10:44:01,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:01,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-26 10:44:01,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:01,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-26 10:44:01,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:01,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-26 10:44:01,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:01,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-11-26 10:44:01,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:01,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-26 10:44:01,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:01,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-11-26 10:44:01,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:01,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-11-26 10:44:01,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:01,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-11-26 10:44:01,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:01,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-26 10:44:01,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:01,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-11-26 10:44:01,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:01,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-11-26 10:44:01,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:01,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-11-26 10:44:01,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:01,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-26 10:44:01,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:01,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-11-26 10:44:01,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:01,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-11-26 10:44:01,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:01,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-11-26 10:44:01,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:01,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-11-26 10:44:01,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:01,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-11-26 10:44:01,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:01,197 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 12 proven. 120 refuted. 0 times theorem prover too weak. 972 trivial. 0 not checked. [2023-11-26 10:44:01,197 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:44:01,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [421476702] [2023-11-26 10:44:01,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [421476702] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 10:44:01,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [291024224] [2023-11-26 10:44:01,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:44:01,205 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:44:01,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fcb833d-a812-45df-84c1-a707d850b287/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:44:01,212 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fcb833d-a812-45df-84c1-a707d850b287/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 10:44:01,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fcb833d-a812-45df-84c1-a707d850b287/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-26 10:44:01,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:01,392 INFO L262 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-26 10:44:01,408 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:44:02,308 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 344 proven. 120 refuted. 0 times theorem prover too weak. 640 trivial. 0 not checked. [2023-11-26 10:44:02,309 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 10:44:02,878 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 12 proven. 123 refuted. 0 times theorem prover too weak. 969 trivial. 0 not checked. [2023-11-26 10:44:02,879 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [291024224] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-26 10:44:02,879 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-26 10:44:02,879 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 9, 9] total 16 [2023-11-26 10:44:02,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611598180] [2023-11-26 10:44:02,880 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-26 10:44:02,885 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-11-26 10:44:02,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:44:02,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-11-26 10:44:02,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2023-11-26 10:44:02,889 INFO L87 Difference]: Start difference. First operand 84 states and 123 transitions. Second operand has 16 states, 16 states have (on average 3.75) internal successors, (60), 16 states have internal predecessors, (60), 4 states have call successors, (47), 3 states have call predecessors, (47), 7 states have return successors, (49), 3 states have call predecessors, (49), 4 states have call successors, (49) [2023-11-26 10:44:03,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:44:03,527 INFO L93 Difference]: Finished difference Result 193 states and 267 transitions. [2023-11-26 10:44:03,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-11-26 10:44:03,528 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 3.75) internal successors, (60), 16 states have internal predecessors, (60), 4 states have call successors, (47), 3 states have call predecessors, (47), 7 states have return successors, (49), 3 states have call predecessors, (49), 4 states have call successors, (49) Word has length 144 [2023-11-26 10:44:03,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:44:03,532 INFO L225 Difference]: With dead ends: 193 [2023-11-26 10:44:03,532 INFO L226 Difference]: Without dead ends: 110 [2023-11-26 10:44:03,534 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 351 GetRequests, 325 SyntacticMatches, 3 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=171, Invalid=429, Unknown=0, NotChecked=0, Total=600 [2023-11-26 10:44:03,536 INFO L413 NwaCegarLoop]: 53 mSDtfsCounter, 87 mSDsluCounter, 118 mSDsCounter, 0 mSdLazyCounter, 322 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 171 SdHoareTripleChecker+Invalid, 345 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 322 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-26 10:44:03,536 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 171 Invalid, 345 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 322 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-26 10:44:03,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2023-11-26 10:44:03,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 100. [2023-11-26 10:44:03,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 57 states have (on average 1.087719298245614) internal successors, (62), 58 states have internal predecessors, (62), 36 states have call successors, (36), 6 states have call predecessors, (36), 6 states have return successors, (36), 35 states have call predecessors, (36), 36 states have call successors, (36) [2023-11-26 10:44:03,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 134 transitions. [2023-11-26 10:44:03,569 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 134 transitions. Word has length 144 [2023-11-26 10:44:03,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:44:03,570 INFO L495 AbstractCegarLoop]: Abstraction has 100 states and 134 transitions. [2023-11-26 10:44:03,571 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 3.75) internal successors, (60), 16 states have internal predecessors, (60), 4 states have call successors, (47), 3 states have call predecessors, (47), 7 states have return successors, (49), 3 states have call predecessors, (49), 4 states have call successors, (49) [2023-11-26 10:44:03,571 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 134 transitions. [2023-11-26 10:44:03,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2023-11-26 10:44:03,573 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:44:03,574 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:44:03,589 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fcb833d-a812-45df-84c1-a707d850b287/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-26 10:44:03,780 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fcb833d-a812-45df-84c1-a707d850b287/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:44:03,781 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:44:03,781 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:44:03,781 INFO L85 PathProgramCache]: Analyzing trace with hash -999324823, now seen corresponding path program 1 times [2023-11-26 10:44:03,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:44:03,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1902284020] [2023-11-26 10:44:03,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:44:03,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:44:03,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:44:03,910 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:44:04,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:44:04,065 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:44:04,066 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-26 10:44:04,067 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-26 10:44:04,069 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-26 10:44:04,075 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-11-26 10:44:04,080 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-26 10:44:04,178 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 10:44:04 BoogieIcfgContainer [2023-11-26 10:44:04,179 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-26 10:44:04,179 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 10:44:04,180 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 10:44:04,180 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 10:44:04,180 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:43:58" (3/4) ... [2023-11-26 10:44:04,182 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-26 10:44:04,183 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 10:44:04,184 INFO L158 Benchmark]: Toolchain (without parser) took 6586.54ms. Allocated memory was 169.9MB in the beginning and 205.5MB in the end (delta: 35.7MB). Free memory was 130.0MB in the beginning and 62.5MB in the end (delta: 67.5MB). Peak memory consumption was 105.7MB. Max. memory is 16.1GB. [2023-11-26 10:44:04,185 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 169.9MB. Free memory is still 142.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 10:44:04,185 INFO L158 Benchmark]: CACSL2BoogieTranslator took 377.28ms. Allocated memory is still 169.9MB. Free memory was 129.5MB in the beginning and 116.4MB in the end (delta: 13.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-26 10:44:04,186 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.98ms. Allocated memory is still 169.9MB. Free memory was 116.4MB in the beginning and 113.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 10:44:04,186 INFO L158 Benchmark]: Boogie Preprocessor took 67.23ms. Allocated memory is still 169.9MB. Free memory was 113.3MB in the beginning and 108.5MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-26 10:44:04,186 INFO L158 Benchmark]: RCFGBuilder took 646.29ms. Allocated memory is still 169.9MB. Free memory was 108.5MB in the beginning and 87.6MB in the end (delta: 20.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-26 10:44:04,187 INFO L158 Benchmark]: TraceAbstraction took 5421.63ms. Allocated memory was 169.9MB in the beginning and 205.5MB in the end (delta: 35.7MB). Free memory was 87.0MB in the beginning and 63.6MB in the end (delta: 23.4MB). Peak memory consumption was 59.6MB. Max. memory is 16.1GB. [2023-11-26 10:44:04,187 INFO L158 Benchmark]: Witness Printer took 4.06ms. Allocated memory is still 205.5MB. Free memory was 63.6MB in the beginning and 62.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 10:44:04,190 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 169.9MB. Free memory is still 142.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 377.28ms. Allocated memory is still 169.9MB. Free memory was 129.5MB in the beginning and 116.4MB in the end (delta: 13.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.98ms. Allocated memory is still 169.9MB. Free memory was 116.4MB in the beginning and 113.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 67.23ms. Allocated memory is still 169.9MB. Free memory was 113.3MB in the beginning and 108.5MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 646.29ms. Allocated memory is still 169.9MB. Free memory was 108.5MB in the beginning and 87.6MB in the end (delta: 20.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 5421.63ms. Allocated memory was 169.9MB in the beginning and 205.5MB in the end (delta: 35.7MB). Free memory was 87.0MB in the beginning and 63.6MB in the end (delta: 23.4MB). Peak memory consumption was 59.6MB. Max. memory is 16.1GB. * Witness Printer took 4.06ms. Allocated memory is still 205.5MB. Free memory was 63.6MB in the beginning and 62.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. 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 107, overapproximation of someBinaryArithmeticDOUBLEoperation at line 49. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 0; [L23] unsigned short int var_1_2 = 56507; [L24] unsigned short int var_1_3 = 52902; [L25] unsigned short int var_1_4 = 8; [L26] unsigned long int var_1_5 = 16; [L27] unsigned long int var_1_6 = 1771558822; [L28] double var_1_7 = 7.25; [L29] double var_1_8 = 31.2; [L30] double var_1_9 = 32.71; [L31] double var_1_10 = 0.4; [L32] double var_1_11 = 7.75; [L33] unsigned short int var_1_12 = 32; [L34] unsigned char var_1_13 = 0; [L35] unsigned short int var_1_14 = 20114; [L36] unsigned short int var_1_15 = 32; [L37] unsigned short int var_1_16 = 16773; [L38] unsigned short int var_1_17 = 25; [L39] unsigned char var_1_18 = 0; [L40] unsigned char var_1_19 = 1; [L111] isInitial = 1 [L112] FCALL initially() [L113] COND TRUE 1 [L114] FCALL updateLastVariables() [L115] CALL updateVariables() [L65] var_1_2 = __VERIFIER_nondet_ushort() [L66] CALL assume_abort_if_not(var_1_2 >= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=2/5, var_1_11=31/4, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_17=25, var_1_18=0, var_1_19=1, var_1_1=0, var_1_2=32767, var_1_3=52902, var_1_4=8, var_1_5=16, var_1_6=1771558822, var_1_7=29/4, var_1_8=156/5, var_1_9=3271/100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=2/5, var_1_11=31/4, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_17=25, var_1_18=0, var_1_19=1, var_1_1=0, var_1_2=32767, var_1_3=52902, var_1_4=8, var_1_5=16, var_1_6=1771558822, var_1_7=29/4, var_1_8=156/5, var_1_9=3271/100] [L66] RET assume_abort_if_not(var_1_2 >= 32767) VAL [isInitial=1, var_1_10=2/5, var_1_11=31/4, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_17=25, var_1_18=0, var_1_19=1, var_1_1=0, var_1_2=32767, var_1_3=52902, var_1_4=8, var_1_5=16, var_1_6=1771558822, var_1_7=29/4, var_1_8=156/5, var_1_9=3271/100] [L67] CALL assume_abort_if_not(var_1_2 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=2/5, var_1_11=31/4, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_17=25, var_1_18=0, var_1_19=1, var_1_1=0, var_1_2=32767, var_1_3=52902, var_1_4=8, var_1_5=16, var_1_6=1771558822, var_1_7=29/4, var_1_8=156/5, var_1_9=3271/100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=2/5, var_1_11=31/4, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_17=25, var_1_18=0, var_1_19=1, var_1_1=0, var_1_2=32767, var_1_3=52902, var_1_4=8, var_1_5=16, var_1_6=1771558822, var_1_7=29/4, var_1_8=156/5, var_1_9=3271/100] [L67] RET assume_abort_if_not(var_1_2 <= 65534) VAL [isInitial=1, var_1_10=2/5, var_1_11=31/4, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_17=25, var_1_18=0, var_1_19=1, var_1_1=0, var_1_2=32767, var_1_3=52902, var_1_4=8, var_1_5=16, var_1_6=1771558822, var_1_7=29/4, var_1_8=156/5, var_1_9=3271/100] [L68] var_1_3 = __VERIFIER_nondet_ushort() [L69] CALL assume_abort_if_not(var_1_3 >= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=2/5, var_1_11=31/4, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_17=25, var_1_18=0, var_1_19=1, var_1_1=0, var_1_2=32767, var_1_3=65534, var_1_4=8, var_1_5=16, var_1_6=1771558822, var_1_7=29/4, var_1_8=156/5, var_1_9=3271/100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=2/5, var_1_11=31/4, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_17=25, var_1_18=0, var_1_19=1, var_1_1=0, var_1_2=32767, var_1_3=65534, var_1_4=8, var_1_5=16, var_1_6=1771558822, var_1_7=29/4, var_1_8=156/5, var_1_9=3271/100] [L69] RET assume_abort_if_not(var_1_3 >= 32767) VAL [isInitial=1, var_1_10=2/5, var_1_11=31/4, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_17=25, var_1_18=0, var_1_19=1, var_1_1=0, var_1_2=32767, var_1_3=65534, var_1_4=8, var_1_5=16, var_1_6=1771558822, var_1_7=29/4, var_1_8=156/5, var_1_9=3271/100] [L70] CALL assume_abort_if_not(var_1_3 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=2/5, var_1_11=31/4, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_17=25, var_1_18=0, var_1_19=1, var_1_1=0, var_1_2=32767, var_1_3=65534, var_1_4=8, var_1_5=16, var_1_6=1771558822, var_1_7=29/4, var_1_8=156/5, var_1_9=3271/100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=2/5, var_1_11=31/4, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_17=25, var_1_18=0, var_1_19=1, var_1_1=0, var_1_2=32767, var_1_3=65534, var_1_4=8, var_1_5=16, var_1_6=1771558822, var_1_7=29/4, var_1_8=156/5, var_1_9=3271/100] [L70] RET assume_abort_if_not(var_1_3 <= 65534) VAL [isInitial=1, var_1_10=2/5, var_1_11=31/4, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_17=25, var_1_18=0, var_1_19=1, var_1_1=0, var_1_2=32767, var_1_3=65534, var_1_4=8, var_1_5=16, var_1_6=1771558822, var_1_7=29/4, var_1_8=156/5, var_1_9=3271/100] [L71] var_1_4 = __VERIFIER_nondet_ushort() [L72] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=2/5, var_1_11=31/4, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_17=25, var_1_18=0, var_1_19=1, var_1_1=0, var_1_2=32767, var_1_3=65534, var_1_5=16, var_1_6=1771558822, var_1_7=29/4, var_1_8=156/5, var_1_9=3271/100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=2/5, var_1_11=31/4, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_17=25, var_1_18=0, var_1_19=1, var_1_1=0, var_1_2=32767, var_1_3=65534, var_1_5=16, var_1_6=1771558822, var_1_7=29/4, var_1_8=156/5, var_1_9=3271/100] [L72] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, var_1_10=2/5, var_1_11=31/4, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_17=25, var_1_18=0, var_1_19=1, var_1_1=0, var_1_2=32767, var_1_3=65534, var_1_5=16, var_1_6=1771558822, var_1_7=29/4, var_1_8=156/5, var_1_9=3271/100] [L73] CALL assume_abort_if_not(var_1_4 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=2/5, var_1_11=31/4, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_17=25, var_1_18=0, var_1_19=1, var_1_1=0, var_1_2=32767, var_1_3=65534, var_1_4=32767, var_1_5=16, var_1_6=1771558822, var_1_7=29/4, var_1_8=156/5, var_1_9=3271/100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=2/5, var_1_11=31/4, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_17=25, var_1_18=0, var_1_19=1, var_1_1=0, var_1_2=32767, var_1_3=65534, var_1_4=32767, var_1_5=16, var_1_6=1771558822, var_1_7=29/4, var_1_8=156/5, var_1_9=3271/100] [L73] RET assume_abort_if_not(var_1_4 <= 32767) VAL [isInitial=1, var_1_10=2/5, var_1_11=31/4, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_17=25, var_1_18=0, var_1_19=1, var_1_1=0, var_1_2=32767, var_1_3=65534, var_1_4=32767, var_1_5=16, var_1_6=1771558822, var_1_7=29/4, var_1_8=156/5, var_1_9=3271/100] [L74] var_1_6 = __VERIFIER_nondet_ulong() [L75] CALL assume_abort_if_not(var_1_6 >= 1610612735) VAL [\old(cond)=1, isInitial=1, var_1_10=2/5, var_1_11=31/4, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_17=25, var_1_18=0, var_1_19=1, var_1_1=0, var_1_2=32767, var_1_3=65534, var_1_4=32767, var_1_5=16, var_1_6=2147483647, var_1_7=29/4, var_1_8=156/5, var_1_9=3271/100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=2/5, var_1_11=31/4, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_17=25, var_1_18=0, var_1_19=1, var_1_1=0, var_1_2=32767, var_1_3=65534, var_1_4=32767, var_1_5=16, var_1_6=2147483647, var_1_7=29/4, var_1_8=156/5, var_1_9=3271/100] [L75] RET assume_abort_if_not(var_1_6 >= 1610612735) VAL [isInitial=1, var_1_10=2/5, var_1_11=31/4, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_17=25, var_1_18=0, var_1_19=1, var_1_1=0, var_1_2=32767, var_1_3=65534, var_1_4=32767, var_1_5=16, var_1_6=2147483647, var_1_7=29/4, var_1_8=156/5, var_1_9=3271/100] [L76] CALL assume_abort_if_not(var_1_6 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=2/5, var_1_11=31/4, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_17=25, var_1_18=0, var_1_19=1, var_1_1=0, var_1_2=32767, var_1_3=65534, var_1_4=32767, var_1_5=16, var_1_6=2147483647, var_1_7=29/4, var_1_8=156/5, var_1_9=3271/100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=2/5, var_1_11=31/4, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_17=25, var_1_18=0, var_1_19=1, var_1_1=0, var_1_2=32767, var_1_3=65534, var_1_4=32767, var_1_5=16, var_1_6=2147483647, var_1_7=29/4, var_1_8=156/5, var_1_9=3271/100] [L76] RET assume_abort_if_not(var_1_6 <= 2147483647) VAL [isInitial=1, var_1_10=2/5, var_1_11=31/4, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_17=25, var_1_18=0, var_1_19=1, var_1_1=0, var_1_2=32767, var_1_3=65534, var_1_4=32767, var_1_5=16, var_1_6=2147483647, var_1_7=29/4, var_1_8=156/5, var_1_9=3271/100] [L77] var_1_8 = __VERIFIER_nondet_double() [L78] CALL assume_abort_if_not((var_1_8 >= -461168.6018427382800e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 4611686.018427382800e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=2/5, var_1_11=31/4, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_17=25, var_1_18=0, var_1_19=1, var_1_1=0, var_1_2=32767, var_1_3=65534, var_1_4=32767, var_1_5=16, var_1_6=2147483647, var_1_7=29/4, var_1_9=3271/100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=2/5, var_1_11=31/4, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_17=25, var_1_18=0, var_1_19=1, var_1_1=0, var_1_2=32767, var_1_3=65534, var_1_4=32767, var_1_5=16, var_1_6=2147483647, var_1_7=29/4, var_1_9=3271/100] [L78] RET assume_abort_if_not((var_1_8 >= -461168.6018427382800e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 4611686.018427382800e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=2/5, var_1_11=31/4, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_17=25, var_1_18=0, var_1_19=1, var_1_1=0, var_1_2=32767, var_1_3=65534, var_1_4=32767, var_1_5=16, var_1_6=2147483647, var_1_7=29/4, var_1_9=3271/100] [L79] var_1_9 = __VERIFIER_nondet_double() [L80] CALL assume_abort_if_not((var_1_9 >= -230584.3009213691390e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 2305843.009213691390e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=2/5, var_1_11=31/4, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_17=25, var_1_18=0, var_1_19=1, var_1_1=0, var_1_2=32767, var_1_3=65534, var_1_4=32767, var_1_5=16, var_1_6=2147483647, var_1_7=29/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=2/5, var_1_11=31/4, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_17=25, var_1_18=0, var_1_19=1, var_1_1=0, var_1_2=32767, var_1_3=65534, var_1_4=32767, var_1_5=16, var_1_6=2147483647, var_1_7=29/4] [L80] RET assume_abort_if_not((var_1_9 >= -230584.3009213691390e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 2305843.009213691390e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=2/5, var_1_11=31/4, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_17=25, var_1_18=0, var_1_19=1, var_1_1=0, var_1_2=32767, var_1_3=65534, var_1_4=32767, var_1_5=16, var_1_6=2147483647, var_1_7=29/4] [L81] var_1_10 = __VERIFIER_nondet_double() [L82] CALL assume_abort_if_not((var_1_10 >= -115292.1504606845700e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 1152921.504606845700e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_11=31/4, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_17=25, var_1_18=0, var_1_19=1, var_1_1=0, var_1_2=32767, var_1_3=65534, var_1_4=32767, var_1_5=16, var_1_6=2147483647, var_1_7=29/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_11=31/4, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_17=25, var_1_18=0, var_1_19=1, var_1_1=0, var_1_2=32767, var_1_3=65534, var_1_4=32767, var_1_5=16, var_1_6=2147483647, var_1_7=29/4] [L82] RET assume_abort_if_not((var_1_10 >= -115292.1504606845700e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 1152921.504606845700e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, var_1_11=31/4, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_17=25, var_1_18=0, var_1_19=1, var_1_1=0, var_1_2=32767, var_1_3=65534, var_1_4=32767, var_1_5=16, var_1_6=2147483647, var_1_7=29/4] [L83] var_1_11 = __VERIFIER_nondet_double() [L84] CALL assume_abort_if_not((var_1_11 >= -115292.1504606845700e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 1152921.504606845700e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_17=25, var_1_18=0, var_1_19=1, var_1_1=0, var_1_2=32767, var_1_3=65534, var_1_4=32767, var_1_5=16, var_1_6=2147483647, var_1_7=29/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_17=25, var_1_18=0, var_1_19=1, var_1_1=0, var_1_2=32767, var_1_3=65534, var_1_4=32767, var_1_5=16, var_1_6=2147483647, var_1_7=29/4] [L84] RET assume_abort_if_not((var_1_11 >= -115292.1504606845700e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 1152921.504606845700e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_17=25, var_1_18=0, var_1_19=1, var_1_1=0, var_1_2=32767, var_1_3=65534, var_1_4=32767, var_1_5=16, var_1_6=2147483647, var_1_7=29/4] [L85] var_1_13 = __VERIFIER_nondet_uchar() [L86] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_12=32, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_17=25, var_1_18=0, var_1_19=1, var_1_1=0, var_1_2=32767, var_1_3=65534, var_1_4=32767, var_1_5=16, var_1_6=2147483647, var_1_7=29/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_12=32, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_17=25, var_1_18=0, var_1_19=1, var_1_1=0, var_1_2=32767, var_1_3=65534, var_1_4=32767, var_1_5=16, var_1_6=2147483647, var_1_7=29/4] [L86] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, var_1_12=32, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_17=25, var_1_18=0, var_1_19=1, var_1_1=0, var_1_2=32767, var_1_3=65534, var_1_4=32767, var_1_5=16, var_1_6=2147483647, var_1_7=29/4] [L87] CALL assume_abort_if_not(var_1_13 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_17=25, var_1_18=0, var_1_19=1, var_1_1=0, var_1_2=32767, var_1_3=65534, var_1_4=32767, var_1_5=16, var_1_6=2147483647, var_1_7=29/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_17=25, var_1_18=0, var_1_19=1, var_1_1=0, var_1_2=32767, var_1_3=65534, var_1_4=32767, var_1_5=16, var_1_6=2147483647, var_1_7=29/4] [L87] RET assume_abort_if_not(var_1_13 <= 1) VAL [isInitial=1, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_17=25, var_1_18=0, var_1_19=1, var_1_1=0, var_1_2=32767, var_1_3=65534, var_1_4=32767, var_1_5=16, var_1_6=2147483647, var_1_7=29/4] [L88] var_1_14 = __VERIFIER_nondet_ushort() [L89] CALL assume_abort_if_not(var_1_14 >= 16383) VAL [\old(cond)=1, isInitial=1, var_1_12=32, var_1_13=0, var_1_14=32767, var_1_15=32, var_1_16=16773, var_1_17=25, var_1_18=0, var_1_19=1, var_1_1=0, var_1_2=32767, var_1_3=65534, var_1_4=32767, var_1_5=16, var_1_6=2147483647, var_1_7=29/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_12=32, var_1_13=0, var_1_14=32767, var_1_15=32, var_1_16=16773, var_1_17=25, var_1_18=0, var_1_19=1, var_1_1=0, var_1_2=32767, var_1_3=65534, var_1_4=32767, var_1_5=16, var_1_6=2147483647, var_1_7=29/4] [L89] RET assume_abort_if_not(var_1_14 >= 16383) VAL [isInitial=1, var_1_12=32, var_1_13=0, var_1_14=32767, var_1_15=32, var_1_16=16773, var_1_17=25, var_1_18=0, var_1_19=1, var_1_1=0, var_1_2=32767, var_1_3=65534, var_1_4=32767, var_1_5=16, var_1_6=2147483647, var_1_7=29/4] [L90] CALL assume_abort_if_not(var_1_14 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_12=32, var_1_13=0, var_1_14=32767, var_1_15=32, var_1_16=16773, var_1_17=25, var_1_18=0, var_1_19=1, var_1_1=0, var_1_2=32767, var_1_3=65534, var_1_4=32767, var_1_5=16, var_1_6=2147483647, var_1_7=29/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_12=32, var_1_13=0, var_1_14=32767, var_1_15=32, var_1_16=16773, var_1_17=25, var_1_18=0, var_1_19=1, var_1_1=0, var_1_2=32767, var_1_3=65534, var_1_4=32767, var_1_5=16, var_1_6=2147483647, var_1_7=29/4] [L90] RET assume_abort_if_not(var_1_14 <= 32767) VAL [isInitial=1, var_1_12=32, var_1_13=0, var_1_14=32767, var_1_15=32, var_1_16=16773, var_1_17=25, var_1_18=0, var_1_19=1, var_1_1=0, var_1_2=32767, var_1_3=65534, var_1_4=32767, var_1_5=16, var_1_6=2147483647, var_1_7=29/4] [L91] var_1_15 = __VERIFIER_nondet_ushort() [L92] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_12=32, var_1_13=0, var_1_14=32767, var_1_16=16773, var_1_17=25, var_1_18=0, var_1_19=1, var_1_1=0, var_1_2=32767, var_1_3=65534, var_1_4=32767, var_1_5=16, var_1_6=2147483647, var_1_7=29/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_12=32, var_1_13=0, var_1_14=32767, var_1_16=16773, var_1_17=25, var_1_18=0, var_1_19=1, var_1_1=0, var_1_2=32767, var_1_3=65534, var_1_4=32767, var_1_5=16, var_1_6=2147483647, var_1_7=29/4] [L92] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, var_1_12=32, var_1_13=0, var_1_14=32767, var_1_16=16773, var_1_17=25, var_1_18=0, var_1_19=1, var_1_1=0, var_1_2=32767, var_1_3=65534, var_1_4=32767, var_1_5=16, var_1_6=2147483647, var_1_7=29/4] [L93] CALL assume_abort_if_not(var_1_15 <= 16383) VAL [\old(cond)=1, isInitial=1, var_1_12=32, var_1_13=0, var_1_14=32767, var_1_15=16383, var_1_16=16773, var_1_17=25, var_1_18=0, var_1_19=1, var_1_1=0, var_1_2=32767, var_1_3=65534, var_1_4=32767, var_1_5=16, var_1_6=2147483647, var_1_7=29/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_12=32, var_1_13=0, var_1_14=32767, var_1_15=16383, var_1_16=16773, var_1_17=25, var_1_18=0, var_1_19=1, var_1_1=0, var_1_2=32767, var_1_3=65534, var_1_4=32767, var_1_5=16, var_1_6=2147483647, var_1_7=29/4] [L93] RET assume_abort_if_not(var_1_15 <= 16383) VAL [isInitial=1, var_1_12=32, var_1_13=0, var_1_14=32767, var_1_15=16383, var_1_16=16773, var_1_17=25, var_1_18=0, var_1_19=1, var_1_1=0, var_1_2=32767, var_1_3=65534, var_1_4=32767, var_1_5=16, var_1_6=2147483647, var_1_7=29/4] [L94] var_1_16 = __VERIFIER_nondet_ushort() [L95] CALL assume_abort_if_not(var_1_16 >= 16384) VAL [\old(cond)=1, isInitial=1, var_1_12=32, var_1_13=0, var_1_14=32767, var_1_15=16383, var_1_16=32767, var_1_17=25, var_1_18=0, var_1_19=1, var_1_1=0, var_1_2=32767, var_1_3=65534, var_1_4=32767, var_1_5=16, var_1_6=2147483647, var_1_7=29/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_12=32, var_1_13=0, var_1_14=32767, var_1_15=16383, var_1_16=32767, var_1_17=25, var_1_18=0, var_1_19=1, var_1_1=0, var_1_2=32767, var_1_3=65534, var_1_4=32767, var_1_5=16, var_1_6=2147483647, var_1_7=29/4] [L95] RET assume_abort_if_not(var_1_16 >= 16384) VAL [isInitial=1, var_1_12=32, var_1_13=0, var_1_14=32767, var_1_15=16383, var_1_16=32767, var_1_17=25, var_1_18=0, var_1_19=1, var_1_1=0, var_1_2=32767, var_1_3=65534, var_1_4=32767, var_1_5=16, var_1_6=2147483647, var_1_7=29/4] [L96] CALL assume_abort_if_not(var_1_16 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_12=32, var_1_13=0, var_1_14=32767, var_1_15=16383, var_1_16=32767, var_1_17=25, var_1_18=0, var_1_19=1, var_1_1=0, var_1_2=32767, var_1_3=65534, var_1_4=32767, var_1_5=16, var_1_6=2147483647, var_1_7=29/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_12=32, var_1_13=0, var_1_14=32767, var_1_15=16383, var_1_16=32767, var_1_17=25, var_1_18=0, var_1_19=1, var_1_1=0, var_1_2=32767, var_1_3=65534, var_1_4=32767, var_1_5=16, var_1_6=2147483647, var_1_7=29/4] [L96] RET assume_abort_if_not(var_1_16 <= 32767) VAL [isInitial=1, var_1_12=32, var_1_13=0, var_1_14=32767, var_1_15=16383, var_1_16=32767, var_1_17=25, var_1_18=0, var_1_19=1, var_1_1=0, var_1_2=32767, var_1_3=65534, var_1_4=32767, var_1_5=16, var_1_6=2147483647, var_1_7=29/4] [L97] var_1_18 = __VERIFIER_nondet_uchar() [L98] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_12=32, var_1_13=0, var_1_14=32767, var_1_15=16383, var_1_16=32767, var_1_17=25, var_1_19=1, var_1_1=0, var_1_2=32767, var_1_3=65534, var_1_4=32767, var_1_5=16, var_1_6=2147483647, var_1_7=29/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_12=32, var_1_13=0, var_1_14=32767, var_1_15=16383, var_1_16=32767, var_1_17=25, var_1_19=1, var_1_1=0, var_1_2=32767, var_1_3=65534, var_1_4=32767, var_1_5=16, var_1_6=2147483647, var_1_7=29/4] [L98] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, var_1_12=32, var_1_13=0, var_1_14=32767, var_1_15=16383, var_1_16=32767, var_1_17=25, var_1_19=1, var_1_1=0, var_1_2=32767, var_1_3=65534, var_1_4=32767, var_1_5=16, var_1_6=2147483647, var_1_7=29/4] [L99] CALL assume_abort_if_not(var_1_18 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_12=32, var_1_13=0, var_1_14=32767, var_1_15=16383, var_1_16=32767, var_1_17=25, var_1_18=1, var_1_19=1, var_1_1=0, var_1_2=32767, var_1_3=65534, var_1_4=32767, var_1_5=16, var_1_6=2147483647, var_1_7=29/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_12=32, var_1_13=0, var_1_14=32767, var_1_15=16383, var_1_16=32767, var_1_17=25, var_1_18=1, var_1_19=1, var_1_1=0, var_1_2=32767, var_1_3=65534, var_1_4=32767, var_1_5=16, var_1_6=2147483647, var_1_7=29/4] [L99] RET assume_abort_if_not(var_1_18 <= 1) VAL [isInitial=1, var_1_12=32, var_1_13=0, var_1_14=32767, var_1_15=16383, var_1_16=32767, var_1_17=25, var_1_18=1, var_1_19=1, var_1_1=0, var_1_2=32767, var_1_3=65534, var_1_4=32767, var_1_5=16, var_1_6=2147483647, var_1_7=29/4] [L100] var_1_19 = __VERIFIER_nondet_uchar() [L101] CALL assume_abort_if_not(var_1_19 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_12=32, var_1_13=0, var_1_14=32767, var_1_15=16383, var_1_16=32767, var_1_17=25, var_1_18=1, var_1_1=0, var_1_2=32767, var_1_3=65534, var_1_4=32767, var_1_5=16, var_1_6=2147483647, var_1_7=29/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_12=32, var_1_13=0, var_1_14=32767, var_1_15=16383, var_1_16=32767, var_1_17=25, var_1_18=1, var_1_1=0, var_1_2=32767, var_1_3=65534, var_1_4=32767, var_1_5=16, var_1_6=2147483647, var_1_7=29/4] [L101] RET assume_abort_if_not(var_1_19 >= 0) VAL [isInitial=1, var_1_12=32, var_1_13=0, var_1_14=32767, var_1_15=16383, var_1_16=32767, var_1_17=25, var_1_18=1, var_1_1=0, var_1_2=32767, var_1_3=65534, var_1_4=32767, var_1_5=16, var_1_6=2147483647, var_1_7=29/4] [L102] CALL assume_abort_if_not(var_1_19 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_12=32, var_1_13=0, var_1_14=32767, var_1_15=16383, var_1_16=32767, var_1_17=25, var_1_18=1, var_1_19=1, var_1_1=0, var_1_2=32767, var_1_3=65534, var_1_4=32767, var_1_5=16, var_1_6=2147483647, var_1_7=29/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_12=32, var_1_13=0, var_1_14=32767, var_1_15=16383, var_1_16=32767, var_1_17=25, var_1_18=1, var_1_19=1, var_1_1=0, var_1_2=32767, var_1_3=65534, var_1_4=32767, var_1_5=16, var_1_6=2147483647, var_1_7=29/4] [L102] RET assume_abort_if_not(var_1_19 <= 1) VAL [isInitial=1, var_1_12=32, var_1_13=0, var_1_14=32767, var_1_15=16383, var_1_16=32767, var_1_17=25, var_1_18=1, var_1_19=1, var_1_1=0, var_1_2=32767, var_1_3=65534, var_1_4=32767, var_1_5=16, var_1_6=2147483647, var_1_7=29/4] [L115] RET updateVariables() [L116] CALL step() [L44] var_1_1 = (((((var_1_2) > (var_1_3)) ? (var_1_2) : (var_1_3))) - var_1_4) [L45] unsigned short int stepLocal_0 = var_1_2; VAL [isInitial=1, stepLocal_0=32767, var_1_12=32, var_1_13=0, var_1_14=32767, var_1_15=16383, var_1_16=32767, var_1_17=25, var_1_18=1, var_1_19=1, var_1_1=32767, var_1_2=32767, var_1_3=65534, var_1_4=32767, var_1_5=16, var_1_6=2147483647, var_1_7=29/4] [L46] COND FALSE !(var_1_4 > stepLocal_0) VAL [isInitial=1, stepLocal_0=32767, var_1_12=32, var_1_13=0, var_1_14=32767, var_1_15=16383, var_1_16=32767, var_1_17=25, var_1_18=1, var_1_19=1, var_1_1=32767, var_1_2=32767, var_1_3=65534, var_1_4=32767, var_1_5=16, var_1_6=2147483647, var_1_7=29/4] [L49] var_1_7 = (var_1_8 + (var_1_9 + (var_1_10 + var_1_11))) VAL [isInitial=1, stepLocal_0=32767, var_1_12=32, var_1_13=0, var_1_14=32767, var_1_15=16383, var_1_16=32767, var_1_17=25, var_1_18=1, var_1_19=1, var_1_1=32767, var_1_2=32767, var_1_3=65534, var_1_4=32767, var_1_5=16, var_1_6=2147483647] [L50] COND TRUE ! var_1_13 [L51] var_1_12 = (var_1_3 - (var_1_14 - var_1_15)) VAL [isInitial=1, stepLocal_0=32767, var_1_12=49150, var_1_13=0, var_1_14=32767, var_1_15=16383, var_1_16=32767, var_1_17=25, var_1_18=1, var_1_19=1, var_1_1=32767, var_1_2=32767, var_1_3=65534, var_1_4=32767, var_1_5=16, var_1_6=2147483647] [L59] unsigned char stepLocal_1 = var_1_19; VAL [isInitial=1, stepLocal_0=32767, stepLocal_1=1, var_1_12=49150, var_1_13=0, var_1_14=32767, var_1_15=16383, var_1_16=32767, var_1_17=25, var_1_18=1, var_1_19=1, var_1_1=32767, var_1_2=32767, var_1_3=65534, var_1_4=32767, var_1_5=16, var_1_6=2147483647] [L60] COND FALSE !((var_1_13 && var_1_18) && stepLocal_1) VAL [isInitial=1, stepLocal_0=32767, stepLocal_1=1, var_1_12=49150, var_1_13=0, var_1_14=32767, var_1_15=16383, var_1_16=32767, var_1_17=25, var_1_18=1, var_1_19=1, var_1_1=32767, var_1_2=32767, var_1_3=65534, var_1_4=32767, var_1_5=16, var_1_6=2147483647] [L116] RET step() [L117] CALL, EXPR property() [L107-L108] return ((((var_1_1 == ((unsigned short int) (((((var_1_2) > (var_1_3)) ? (var_1_2) : (var_1_3))) - var_1_4))) && ((var_1_4 > var_1_2) ? (var_1_5 == ((unsigned long int) (((var_1_6 - var_1_3) + 2144048120u) - var_1_2))) : 1)) && (var_1_7 == ((double) (var_1_8 + (var_1_9 + (var_1_10 + var_1_11)))))) && ((! var_1_13) ? (var_1_12 == ((unsigned short int) (var_1_3 - (var_1_14 - var_1_15)))) : (var_1_13 ? (var_1_12 == ((unsigned short int) ((27636 + var_1_16) - (((((16853 - 10)) > (var_1_14)) ? ((16853 - 10)) : (var_1_14)))))) : (var_1_12 == ((unsigned short int) var_1_3))))) && (((var_1_13 && var_1_18) && var_1_19) ? (var_1_17 == ((unsigned short int) (var_1_15 + var_1_14))) : 1) ; [L117] RET, EXPR property() [L117] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_12=49150, var_1_13=0, var_1_14=32767, var_1_15=16383, var_1_16=32767, var_1_17=25, var_1_18=1, var_1_19=1, var_1_1=32767, var_1_2=32767, var_1_3=65534, var_1_4=32767, var_1_5=16, var_1_6=2147483647] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_12=49150, var_1_13=0, var_1_14=32767, var_1_15=16383, var_1_16=32767, var_1_17=25, var_1_18=1, var_1_19=1, var_1_1=32767, var_1_2=32767, var_1_3=65534, var_1_4=32767, var_1_5=16, var_1_6=2147483647] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 57 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.2s, OverallIterations: 4, TraceHistogramMax: 24, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 129 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 128 mSDsluCounter, 399 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 189 mSDsCounter, 25 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 337 IncrementalHoareTripleChecker+Invalid, 362 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 25 mSolverCounterUnsat, 210 mSDtfsCounter, 337 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 476 GetRequests, 449 SyntacticMatches, 3 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=100occurred in iteration=3, InterpolantAutomatonStates: 21, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 3 MinimizatonAttempts, 13 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.9s InterpolantComputationTime, 720 NumberOfCodeBlocks, 720 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 715 ConstructedInterpolants, 0 QuantifiedInterpolants, 3535 SizeOfPredicates, 7 NumberOfNonLiveVariables, 319 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 5 InterpolantComputations, 2 PerfectInterpolantSequences, 5157/5520 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 [2023-11-26 10:44:04,223 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fcb833d-a812-45df-84c1-a707d850b287/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fcb833d-a812-45df-84c1-a707d850b287/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fcb833d-a812-45df-84c1-a707d850b287/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fcb833d-a812-45df-84c1-a707d850b287/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fcb833d-a812-45df-84c1-a707d850b287/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-38.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fcb833d-a812-45df-84c1-a707d850b287/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fcb833d-a812-45df-84c1-a707d850b287/bin/uautomizer-verify-VRDe98Ueme --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 ad5576ee265c689e1f97ecb60d806cc436384909a7661aea27074eb324006ed2 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 10:44:06,820 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 10:44:06,953 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fcb833d-a812-45df-84c1-a707d850b287/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-26 10:44:06,961 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 10:44:06,962 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 10:44:07,004 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 10:44:07,006 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 10:44:07,006 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 10:44:07,008 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 10:44:07,012 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 10:44:07,013 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 10:44:07,014 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 10:44:07,014 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 10:44:07,019 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 10:44:07,020 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 10:44:07,021 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 10:44:07,022 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 10:44:07,022 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 10:44:07,023 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 10:44:07,024 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 10:44:07,024 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 10:44:07,025 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 10:44:07,025 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 10:44:07,026 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-26 10:44:07,026 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-26 10:44:07,027 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-26 10:44:07,027 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 10:44:07,028 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 10:44:07,028 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 10:44:07,029 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 10:44:07,030 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 10:44:07,030 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 10:44:07,031 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 10:44:07,031 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 10:44:07,031 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 10:44:07,031 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 10:44:07,032 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 10:44:07,033 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-26 10:44:07,033 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-26 10:44:07,033 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 10:44:07,033 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 10:44:07,034 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 10:44:07,034 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 10:44:07,034 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 10:44:07,035 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-26 10:44:07,035 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_3fcb833d-a812-45df-84c1-a707d850b287/bin/uautomizer-verify-VRDe98Ueme/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fcb833d-a812-45df-84c1-a707d850b287/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ad5576ee265c689e1f97ecb60d806cc436384909a7661aea27074eb324006ed2 [2023-11-26 10:44:07,475 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 10:44:07,507 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 10:44:07,510 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 10:44:07,511 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 10:44:07,513 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 10:44:07,515 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fcb833d-a812-45df-84c1-a707d850b287/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-38.i [2023-11-26 10:44:10,580 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 10:44:10,904 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 10:44:10,905 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fcb833d-a812-45df-84c1-a707d850b287/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-38.i [2023-11-26 10:44:10,916 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fcb833d-a812-45df-84c1-a707d850b287/bin/uautomizer-verify-VRDe98Ueme/data/b082339cd/15cb024f11a54ccd95577be5669cc7e7/FLAG667b7294e [2023-11-26 10:44:10,935 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fcb833d-a812-45df-84c1-a707d850b287/bin/uautomizer-verify-VRDe98Ueme/data/b082339cd/15cb024f11a54ccd95577be5669cc7e7 [2023-11-26 10:44:10,941 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 10:44:10,943 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 10:44:10,946 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 10:44:10,946 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 10:44:10,951 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 10:44:10,951 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:44:10" (1/1) ... [2023-11-26 10:44:10,953 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@428ba8c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:44:10, skipping insertion in model container [2023-11-26 10:44:10,953 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:44:10" (1/1) ... [2023-11-26 10:44:10,995 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 10:44:11,179 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_3fcb833d-a812-45df-84c1-a707d850b287/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-38.i[913,926] [2023-11-26 10:44:11,227 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:44:11,243 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 10:44:11,257 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_3fcb833d-a812-45df-84c1-a707d850b287/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-38.i[913,926] [2023-11-26 10:44:11,284 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:44:11,303 INFO L206 MainTranslator]: Completed translation [2023-11-26 10:44:11,304 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:44:11 WrapperNode [2023-11-26 10:44:11,304 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 10:44:11,305 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 10:44:11,305 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 10:44:11,305 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 10:44:11,313 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:44:11" (1/1) ... [2023-11-26 10:44:11,325 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:44:11" (1/1) ... [2023-11-26 10:44:11,352 INFO L138 Inliner]: procedures = 27, calls = 37, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 132 [2023-11-26 10:44:11,353 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 10:44:11,354 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 10:44:11,354 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 10:44:11,354 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 10:44:11,365 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:44:11" (1/1) ... [2023-11-26 10:44:11,365 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:44:11" (1/1) ... [2023-11-26 10:44:11,370 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:44:11" (1/1) ... [2023-11-26 10:44:11,383 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-11-26 10:44:11,383 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:44:11" (1/1) ... [2023-11-26 10:44:11,384 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:44:11" (1/1) ... [2023-11-26 10:44:11,393 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:44:11" (1/1) ... [2023-11-26 10:44:11,396 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:44:11" (1/1) ... [2023-11-26 10:44:11,399 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:44:11" (1/1) ... [2023-11-26 10:44:11,401 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:44:11" (1/1) ... [2023-11-26 10:44:11,404 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 10:44:11,406 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 10:44:11,406 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 10:44:11,406 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 10:44:11,407 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:44:11" (1/1) ... [2023-11-26 10:44:11,419 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 10:44:11,440 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fcb833d-a812-45df-84c1-a707d850b287/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:44:11,457 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fcb833d-a812-45df-84c1-a707d850b287/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 10:44:11,487 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fcb833d-a812-45df-84c1-a707d850b287/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 10:44:11,508 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 10:44:11,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-26 10:44:11,509 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-26 10:44:11,509 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-26 10:44:11,511 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 10:44:11,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 10:44:11,644 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 10:44:11,650 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 10:44:17,535 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 10:44:17,591 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 10:44:17,591 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-26 10:44:17,592 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:44:17 BoogieIcfgContainer [2023-11-26 10:44:17,592 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 10:44:17,594 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 10:44:17,594 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 10:44:17,598 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 10:44:17,598 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 10:44:10" (1/3) ... [2023-11-26 10:44:17,599 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a53d09c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 10:44:17, skipping insertion in model container [2023-11-26 10:44:17,599 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:44:11" (2/3) ... [2023-11-26 10:44:17,600 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a53d09c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 10:44:17, skipping insertion in model container [2023-11-26 10:44:17,600 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:44:17" (3/3) ... [2023-11-26 10:44:17,601 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-38.i [2023-11-26 10:44:17,621 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 10:44:17,621 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-26 10:44:17,671 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 10:44:17,678 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;@6009031c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 10:44:17,678 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-26 10:44:17,683 INFO L276 IsEmpty]: Start isEmpty. Operand has 57 states, 30 states have (on average 1.3) internal successors, (39), 31 states have internal predecessors, (39), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-26 10:44:17,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2023-11-26 10:44:17,699 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:44:17,700 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:44:17,701 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:44:17,707 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:44:17,707 INFO L85 PathProgramCache]: Analyzing trace with hash 214184693, now seen corresponding path program 1 times [2023-11-26 10:44:17,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 10:44:17,722 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1488308734] [2023-11-26 10:44:17,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:44:17,723 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 [2023-11-26 10:44:17,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fcb833d-a812-45df-84c1-a707d850b287/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 10:44:17,728 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fcb833d-a812-45df-84c1-a707d850b287/bin/uautomizer-verify-VRDe98Ueme/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) [2023-11-26 10:44:17,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fcb833d-a812-45df-84c1-a707d850b287/bin/uautomizer-verify-VRDe98Ueme/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 [2023-11-26 10:44:18,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:18,201 INFO L262 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-26 10:44:18,214 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:44:18,320 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 566 proven. 0 refuted. 0 times theorem prover too weak. 538 trivial. 0 not checked. [2023-11-26 10:44:18,320 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 10:44:18,321 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-26 10:44:18,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1488308734] [2023-11-26 10:44:18,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1488308734] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:44:18,323 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:44:18,323 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 10:44:18,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420702415] [2023-11-26 10:44:18,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:44:18,332 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-26 10:44:18,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-26 10:44:18,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-26 10:44:18,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 10:44:18,368 INFO L87 Difference]: Start difference. First operand has 57 states, 30 states have (on average 1.3) internal successors, (39), 31 states have internal predecessors, (39), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) Second operand has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-11-26 10:44:20,115 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-26 10:44:20,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:44:20,116 INFO L93 Difference]: Finished difference Result 111 states and 196 transitions. [2023-11-26 10:44:20,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-26 10:44:20,143 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 144 [2023-11-26 10:44:20,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:44:20,152 INFO L225 Difference]: With dead ends: 111 [2023-11-26 10:44:20,153 INFO L226 Difference]: Without dead ends: 55 [2023-11-26 10:44:20,157 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 10:44:20,169 INFO L413 NwaCegarLoop]: 79 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-11-26 10:44:20,172 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 79 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-11-26 10:44:20,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2023-11-26 10:44:20,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2023-11-26 10:44:20,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 29 states have (on average 1.1724137931034482) internal successors, (34), 29 states have internal predecessors, (34), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-26 10:44:20,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 82 transitions. [2023-11-26 10:44:20,231 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 82 transitions. Word has length 144 [2023-11-26 10:44:20,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:44:20,232 INFO L495 AbstractCegarLoop]: Abstraction has 55 states and 82 transitions. [2023-11-26 10:44:20,232 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-11-26 10:44:20,233 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 82 transitions. [2023-11-26 10:44:20,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2023-11-26 10:44:20,237 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:44:20,237 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:44:20,246 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fcb833d-a812-45df-84c1-a707d850b287/bin/uautomizer-verify-VRDe98Ueme/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 [2023-11-26 10:44:20,438 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fcb833d-a812-45df-84c1-a707d850b287/bin/uautomizer-verify-VRDe98Ueme/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 [2023-11-26 10:44:20,439 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:44:20,440 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:44:20,440 INFO L85 PathProgramCache]: Analyzing trace with hash -190037779, now seen corresponding path program 1 times [2023-11-26 10:44:20,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 10:44:20,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1861618703] [2023-11-26 10:44:20,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:44:20,442 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 [2023-11-26 10:44:20,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fcb833d-a812-45df-84c1-a707d850b287/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 10:44:20,444 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fcb833d-a812-45df-84c1-a707d850b287/bin/uautomizer-verify-VRDe98Ueme/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) [2023-11-26 10:44:20,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fcb833d-a812-45df-84c1-a707d850b287/bin/uautomizer-verify-VRDe98Ueme/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 [2023-11-26 10:44:20,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:20,871 INFO L262 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-26 10:44:20,883 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:44:20,929 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2023-11-26 10:44:20,929 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 10:44:20,930 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-26 10:44:20,930 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1861618703] [2023-11-26 10:44:20,930 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1861618703] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:44:20,930 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:44:20,931 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 10:44:20,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2013004654] [2023-11-26 10:44:20,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:44:20,933 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 10:44:20,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-26 10:44:20,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 10:44:20,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:44:20,935 INFO L87 Difference]: Start difference. First operand 55 states and 82 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-26 10:44:23,119 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-26 10:44:26,582 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.43s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-26 10:44:26,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:44:26,625 INFO L93 Difference]: Finished difference Result 141 states and 207 transitions. [2023-11-26 10:44:26,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 10:44:26,626 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 144 [2023-11-26 10:44:26,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:44:26,630 INFO L225 Difference]: With dead ends: 141 [2023-11-26 10:44:26,630 INFO L226 Difference]: Without dead ends: 87 [2023-11-26 10:44:26,632 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:44:26,633 INFO L413 NwaCegarLoop]: 78 mSDtfsCounter, 41 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 148 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2023-11-26 10:44:26,634 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 148 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 5.6s Time] [2023-11-26 10:44:26,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2023-11-26 10:44:26,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 84. [2023-11-26 10:44:26,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 45 states have (on average 1.1333333333333333) internal successors, (51), 46 states have internal predecessors, (51), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 35 states have call predecessors, (36), 36 states have call successors, (36) [2023-11-26 10:44:26,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 123 transitions. [2023-11-26 10:44:26,671 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 123 transitions. Word has length 144 [2023-11-26 10:44:26,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:44:26,675 INFO L495 AbstractCegarLoop]: Abstraction has 84 states and 123 transitions. [2023-11-26 10:44:26,680 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-26 10:44:26,680 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 123 transitions. [2023-11-26 10:44:26,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2023-11-26 10:44:26,686 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:44:26,688 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:44:26,696 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fcb833d-a812-45df-84c1-a707d850b287/bin/uautomizer-verify-VRDe98Ueme/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 [2023-11-26 10:44:26,891 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fcb833d-a812-45df-84c1-a707d850b287/bin/uautomizer-verify-VRDe98Ueme/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 [2023-11-26 10:44:26,892 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:44:26,892 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:44:26,893 INFO L85 PathProgramCache]: Analyzing trace with hash -189978197, now seen corresponding path program 1 times [2023-11-26 10:44:26,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 10:44:26,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1319199041] [2023-11-26 10:44:26,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:44:26,894 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 [2023-11-26 10:44:26,894 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fcb833d-a812-45df-84c1-a707d850b287/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 10:44:26,896 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fcb833d-a812-45df-84c1-a707d850b287/bin/uautomizer-verify-VRDe98Ueme/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) [2023-11-26 10:44:26,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fcb833d-a812-45df-84c1-a707d850b287/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-26 10:44:27,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:27,688 INFO L262 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 40 conjunts are in the unsatisfiable core [2023-11-26 10:44:27,702 INFO L285 TraceCheckSpWp]: Computing forward predicates...