./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-77.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468d6dae-5f26-4bd9-a72f-23fa6827899c/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468d6dae-5f26-4bd9-a72f-23fa6827899c/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_468d6dae-5f26-4bd9-a72f-23fa6827899c/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468d6dae-5f26-4bd9-a72f-23fa6827899c/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-77.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468d6dae-5f26-4bd9-a72f-23fa6827899c/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_468d6dae-5f26-4bd9-a72f-23fa6827899c/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 61edaa17b57a1e296f8c551a6e15613c70d27e9bd710209c47f2d0643bc678c5 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 11:45:21,697 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 11:45:21,807 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468d6dae-5f26-4bd9-a72f-23fa6827899c/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-26 11:45:21,817 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 11:45:21,818 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 11:45:21,852 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 11:45:21,853 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 11:45:21,854 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 11:45:21,855 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 11:45:21,860 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 11:45:21,860 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 11:45:21,861 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 11:45:21,862 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 11:45:21,863 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 11:45:21,864 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 11:45:21,864 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 11:45:21,865 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 11:45:21,865 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 11:45:21,866 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 11:45:21,866 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 11:45:21,867 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 11:45:21,867 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 11:45:21,868 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 11:45:21,868 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 11:45:21,869 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 11:45:21,869 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 11:45:21,869 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 11:45:21,870 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 11:45:21,871 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 11:45:21,871 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 11:45:21,873 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 11:45:21,873 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:45:21,873 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 11:45:21,874 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 11:45:21,874 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 11:45:21,874 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 11:45:21,874 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 11:45:21,875 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 11:45:21,875 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 11:45:21,875 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 11:45:21,875 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 11:45:21,876 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 11:45:21,876 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_468d6dae-5f26-4bd9-a72f-23fa6827899c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468d6dae-5f26-4bd9-a72f-23fa6827899c/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 61edaa17b57a1e296f8c551a6e15613c70d27e9bd710209c47f2d0643bc678c5 [2023-11-26 11:45:22,172 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 11:45:22,208 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 11:45:22,212 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 11:45:22,213 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 11:45:22,214 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 11:45:22,215 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468d6dae-5f26-4bd9-a72f-23fa6827899c/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-77.i [2023-11-26 11:45:25,532 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 11:45:25,754 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 11:45:25,754 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468d6dae-5f26-4bd9-a72f-23fa6827899c/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-77.i [2023-11-26 11:45:25,766 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468d6dae-5f26-4bd9-a72f-23fa6827899c/bin/uautomizer-verify-VRDe98Ueme/data/d35b24bf5/8588aa8d34df413bac872ff09d10cc5b/FLAGdd3bdfa05 [2023-11-26 11:45:25,781 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468d6dae-5f26-4bd9-a72f-23fa6827899c/bin/uautomizer-verify-VRDe98Ueme/data/d35b24bf5/8588aa8d34df413bac872ff09d10cc5b [2023-11-26 11:45:25,784 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 11:45:25,786 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 11:45:25,788 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 11:45:25,788 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 11:45:25,793 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 11:45:25,794 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:45:25" (1/1) ... [2023-11-26 11:45:25,795 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b2e857d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:45:25, skipping insertion in model container [2023-11-26 11:45:25,796 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:45:25" (1/1) ... [2023-11-26 11:45:25,827 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 11:45:25,982 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_468d6dae-5f26-4bd9-a72f-23fa6827899c/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-77.i[913,926] [2023-11-26 11:45:26,040 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:45:26,054 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 11:45:26,066 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_468d6dae-5f26-4bd9-a72f-23fa6827899c/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-77.i[913,926] [2023-11-26 11:45:26,096 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:45:26,113 INFO L206 MainTranslator]: Completed translation [2023-11-26 11:45:26,114 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:45:26 WrapperNode [2023-11-26 11:45:26,114 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 11:45:26,115 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 11:45:26,116 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 11:45:26,116 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 11:45:26,124 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:45:26" (1/1) ... [2023-11-26 11:45:26,136 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:45:26" (1/1) ... [2023-11-26 11:45:26,185 INFO L138 Inliner]: procedures = 26, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 141 [2023-11-26 11:45:26,185 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 11:45:26,186 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 11:45:26,186 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 11:45:26,186 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 11:45:26,199 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:45:26" (1/1) ... [2023-11-26 11:45:26,199 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:45:26" (1/1) ... [2023-11-26 11:45:26,203 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:45:26" (1/1) ... [2023-11-26 11:45:26,221 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 11:45:26,221 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:45:26" (1/1) ... [2023-11-26 11:45:26,221 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:45:26" (1/1) ... [2023-11-26 11:45:26,240 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:45:26" (1/1) ... [2023-11-26 11:45:26,244 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:45:26" (1/1) ... [2023-11-26 11:45:26,246 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:45:26" (1/1) ... [2023-11-26 11:45:26,249 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:45:26" (1/1) ... [2023-11-26 11:45:26,269 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 11:45:26,270 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 11:45:26,271 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 11:45:26,271 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 11:45:26,272 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:45:26" (1/1) ... [2023-11-26 11:45:26,291 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:45:26,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468d6dae-5f26-4bd9-a72f-23fa6827899c/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:45:26,329 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468d6dae-5f26-4bd9-a72f-23fa6827899c/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 11:45:26,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468d6dae-5f26-4bd9-a72f-23fa6827899c/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 11:45:26,412 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 11:45:26,413 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-26 11:45:26,414 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-26 11:45:26,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-26 11:45:26,414 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 11:45:26,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 11:45:26,540 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 11:45:26,543 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 11:45:26,914 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 11:45:27,020 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 11:45:27,020 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-26 11:45:27,021 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:45:27 BoogieIcfgContainer [2023-11-26 11:45:27,021 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 11:45:27,024 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 11:45:27,024 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 11:45:27,033 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 11:45:27,033 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 11:45:25" (1/3) ... [2023-11-26 11:45:27,034 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f9fb9fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:45:27, skipping insertion in model container [2023-11-26 11:45:27,034 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:45:26" (2/3) ... [2023-11-26 11:45:27,035 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f9fb9fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:45:27, skipping insertion in model container [2023-11-26 11:45:27,035 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:45:27" (3/3) ... [2023-11-26 11:45:27,037 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-77.i [2023-11-26 11:45:27,060 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 11:45:27,060 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-26 11:45:27,118 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 11:45:27,126 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;@5d6521fc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 11:45:27,126 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-26 11:45:27,131 INFO L276 IsEmpty]: Start isEmpty. Operand has 60 states, 34 states have (on average 1.4411764705882353) internal successors, (49), 35 states have internal predecessors, (49), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-26 11:45:27,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2023-11-26 11:45:27,149 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:45:27,150 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:45:27,151 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:45:27,156 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:45:27,157 INFO L85 PathProgramCache]: Analyzing trace with hash 955205673, now seen corresponding path program 1 times [2023-11-26 11:45:27,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:45:27,168 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1700305391] [2023-11-26 11:45:27,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:45:27,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:45:27,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:45:27,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:45:27,367 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1700305391] [2023-11-26 11:45:27,367 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-26 11:45:27,367 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1936454490] [2023-11-26 11:45:27,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:45:27,368 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:45:27,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468d6dae-5f26-4bd9-a72f-23fa6827899c/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:45:27,372 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468d6dae-5f26-4bd9-a72f-23fa6827899c/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 11:45:27,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468d6dae-5f26-4bd9-a72f-23fa6827899c/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-26 11:45:27,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:45:27,605 INFO L262 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-26 11:45:27,630 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:45:27,720 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 968 trivial. 0 not checked. [2023-11-26 11:45:27,721 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 11:45:27,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1936454490] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:45:27,722 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:45:27,722 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:45:27,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1522699239] [2023-11-26 11:45:27,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:45:27,731 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-26 11:45:27,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:45:27,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-26 11:45:27,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 11:45:27,766 INFO L87 Difference]: Start difference. First operand has 60 states, 34 states have (on average 1.4411764705882353) internal successors, (49), 35 states have internal predecessors, (49), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) Second operand has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2023-11-26 11:45:27,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:45:27,848 INFO L93 Difference]: Finished difference Result 117 states and 211 transitions. [2023-11-26 11:45:27,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-26 11:45:27,851 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 140 [2023-11-26 11:45:27,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:45:27,862 INFO L225 Difference]: With dead ends: 117 [2023-11-26 11:45:27,863 INFO L226 Difference]: Without dead ends: 58 [2023-11-26 11:45:27,867 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 139 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 11:45:27,871 INFO L413 NwaCegarLoop]: 87 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, 87 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 11:45:27,872 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 87 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 11:45:27,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2023-11-26 11:45:27,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2023-11-26 11:45:27,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 33 states have (on average 1.3333333333333333) internal successors, (44), 33 states have internal predecessors, (44), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-26 11:45:27,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 90 transitions. [2023-11-26 11:45:27,938 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 90 transitions. Word has length 140 [2023-11-26 11:45:27,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:45:27,939 INFO L495 AbstractCegarLoop]: Abstraction has 58 states and 90 transitions. [2023-11-26 11:45:27,939 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2023-11-26 11:45:27,939 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 90 transitions. [2023-11-26 11:45:27,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2023-11-26 11:45:27,943 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:45:27,944 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:45:27,953 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468d6dae-5f26-4bd9-a72f-23fa6827899c/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-26 11:45:28,150 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468d6dae-5f26-4bd9-a72f-23fa6827899c/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-26 11:45:28,151 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:45:28,152 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:45:28,152 INFO L85 PathProgramCache]: Analyzing trace with hash 720606051, now seen corresponding path program 1 times [2023-11-26 11:45:28,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:45:28,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852217122] [2023-11-26 11:45:28,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:45:28,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:45:28,279 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 11:45:28,279 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2077658345] [2023-11-26 11:45:28,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:45:28,282 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:45:28,282 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468d6dae-5f26-4bd9-a72f-23fa6827899c/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:45:28,284 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468d6dae-5f26-4bd9-a72f-23fa6827899c/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 11:45:28,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468d6dae-5f26-4bd9-a72f-23fa6827899c/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-26 11:45:28,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:45:28,446 INFO L262 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-26 11:45:28,454 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:45:28,735 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 504 proven. 0 refuted. 0 times theorem prover too weak. 508 trivial. 0 not checked. [2023-11-26 11:45:28,736 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 11:45:28,736 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:45:28,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1852217122] [2023-11-26 11:45:28,736 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 11:45:28,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2077658345] [2023-11-26 11:45:28,737 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2077658345] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:45:28,737 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:45:28,737 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 11:45:28,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [763568283] [2023-11-26 11:45:28,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:45:28,739 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 11:45:28,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:45:28,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 11:45:28,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 11:45:28,741 INFO L87 Difference]: Start difference. First operand 58 states and 90 transitions. Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-11-26 11:45:28,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:45:28,903 INFO L93 Difference]: Finished difference Result 115 states and 179 transitions. [2023-11-26 11:45:28,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:45:28,904 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 140 [2023-11-26 11:45:28,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:45:28,907 INFO L225 Difference]: With dead ends: 115 [2023-11-26 11:45:28,907 INFO L226 Difference]: Without dead ends: 58 [2023-11-26 11:45:28,909 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-26 11:45:28,910 INFO L413 NwaCegarLoop]: 81 mSDtfsCounter, 67 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-26 11:45:28,911 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 81 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-26 11:45:28,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2023-11-26 11:45:28,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2023-11-26 11:45:28,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 33 states have (on average 1.303030303030303) internal successors, (43), 33 states have internal predecessors, (43), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-26 11:45:28,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 89 transitions. [2023-11-26 11:45:28,925 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 89 transitions. Word has length 140 [2023-11-26 11:45:28,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:45:28,928 INFO L495 AbstractCegarLoop]: Abstraction has 58 states and 89 transitions. [2023-11-26 11:45:28,928 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-11-26 11:45:28,928 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 89 transitions. [2023-11-26 11:45:28,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2023-11-26 11:45:28,931 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:45:28,932 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:45:28,945 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468d6dae-5f26-4bd9-a72f-23fa6827899c/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-26 11:45:29,138 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468d6dae-5f26-4bd9-a72f-23fa6827899c/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:45:29,138 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:45:29,139 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:45:29,139 INFO L85 PathProgramCache]: Analyzing trace with hash 720665633, now seen corresponding path program 1 times [2023-11-26 11:45:29,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:45:29,140 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1923448753] [2023-11-26 11:45:29,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:45:29,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:45:29,217 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 11:45:29,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1878614921] [2023-11-26 11:45:29,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:45:29,218 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:45:29,218 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468d6dae-5f26-4bd9-a72f-23fa6827899c/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:45:29,227 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468d6dae-5f26-4bd9-a72f-23fa6827899c/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 11:45:29,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468d6dae-5f26-4bd9-a72f-23fa6827899c/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-26 11:45:29,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:45:29,430 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:45:29,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:45:29,572 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:45:29,572 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-26 11:45:29,573 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-26 11:45:29,584 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468d6dae-5f26-4bd9-a72f-23fa6827899c/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-26 11:45:29,782 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468d6dae-5f26-4bd9-a72f-23fa6827899c/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:45:29,785 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-26 11:45:29,789 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-26 11:45:29,933 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 11:45:29 BoogieIcfgContainer [2023-11-26 11:45:29,933 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-26 11:45:29,934 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 11:45:29,934 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 11:45:29,934 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 11:45:29,935 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:45:27" (3/4) ... [2023-11-26 11:45:29,937 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-26 11:45:29,938 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 11:45:29,939 INFO L158 Benchmark]: Toolchain (without parser) took 4153.11ms. Allocated memory was 115.3MB in the beginning and 138.4MB in the end (delta: 23.1MB). Free memory was 72.2MB in the beginning and 80.2MB in the end (delta: -8.0MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. [2023-11-26 11:45:29,940 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 115.3MB. Free memory was 88.1MB in the beginning and 88.0MB in the end (delta: 158.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 11:45:29,940 INFO L158 Benchmark]: CACSL2BoogieTranslator took 327.10ms. Allocated memory is still 115.3MB. Free memory was 71.8MB in the beginning and 58.3MB in the end (delta: 13.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-26 11:45:29,941 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.91ms. Allocated memory is still 115.3MB. Free memory was 58.3MB in the beginning and 55.0MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 11:45:29,942 INFO L158 Benchmark]: Boogie Preprocessor took 83.64ms. Allocated memory is still 115.3MB. Free memory was 55.0MB in the beginning and 50.7MB in the end (delta: 4.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-26 11:45:29,942 INFO L158 Benchmark]: RCFGBuilder took 750.92ms. Allocated memory was 115.3MB in the beginning and 138.4MB in the end (delta: 23.1MB). Free memory was 50.7MB in the beginning and 91.8MB in the end (delta: -41.1MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. [2023-11-26 11:45:29,943 INFO L158 Benchmark]: TraceAbstraction took 2909.19ms. Allocated memory is still 138.4MB. Free memory was 91.8MB in the beginning and 81.2MB in the end (delta: 10.5MB). Peak memory consumption was 10.2MB. Max. memory is 16.1GB. [2023-11-26 11:45:29,943 INFO L158 Benchmark]: Witness Printer took 4.60ms. Allocated memory is still 138.4MB. Free memory was 81.2MB in the beginning and 80.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 11:45:29,947 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 115.3MB. Free memory was 88.1MB in the beginning and 88.0MB in the end (delta: 158.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 327.10ms. Allocated memory is still 115.3MB. Free memory was 71.8MB in the beginning and 58.3MB in the end (delta: 13.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.91ms. Allocated memory is still 115.3MB. Free memory was 58.3MB in the beginning and 55.0MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 83.64ms. Allocated memory is still 115.3MB. Free memory was 55.0MB in the beginning and 50.7MB in the end (delta: 4.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 750.92ms. Allocated memory was 115.3MB in the beginning and 138.4MB in the end (delta: 23.1MB). Free memory was 50.7MB in the beginning and 91.8MB in the end (delta: -41.1MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. * TraceAbstraction took 2909.19ms. Allocated memory is still 138.4MB. Free memory was 91.8MB in the beginning and 81.2MB in the end (delta: 10.5MB). Peak memory consumption was 10.2MB. Max. memory is 16.1GB. * Witness Printer took 4.60ms. Allocated memory is still 138.4MB. Free memory was 81.2MB in the beginning and 80.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 126. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 2; [L23] float var_1_2 = 255.5; [L24] float var_1_3 = 99.8; [L25] signed char var_1_4 = -25; [L26] signed long int var_1_5 = -16; [L27] float var_1_6 = 255.25; [L28] unsigned short int var_1_7 = 16; [L29] signed char var_1_8 = -10; [L30] signed char var_1_9 = -8; [L31] unsigned short int var_1_10 = 8; [L32] unsigned short int var_1_11 = 10000; [L33] unsigned short int var_1_12 = 5; [L34] signed short int var_1_13 = 200; [L35] unsigned char var_1_14 = 0; [L36] unsigned char var_1_15 = 0; [L37] unsigned short int var_1_16 = 35895; [L38] unsigned short int var_1_17 = 18336; [L39] unsigned char var_1_18 = 0; [L40] signed long int var_1_19 = -50; [L130] isInitial = 1 [L131] FCALL initially() [L132] COND TRUE 1 [L133] FCALL updateLastVariables() [L134] CALL updateVariables() [L86] var_1_2 = __VERIFIER_nondet_float() [L87] CALL assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_3=499/5, var_1_4=-25, var_1_5=-16, var_1_6=1021/4, var_1_7=16, var_1_8=-10, var_1_9=-8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_3=499/5, var_1_4=-25, var_1_5=-16, var_1_6=1021/4, var_1_7=16, var_1_8=-10, var_1_9=-8] [L87] RET assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_3=499/5, var_1_4=-25, var_1_5=-16, var_1_6=1021/4, var_1_7=16, var_1_8=-10, var_1_9=-8] [L88] var_1_3 = __VERIFIER_nondet_float() [L89] CALL assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=-25, var_1_5=-16, var_1_6=1021/4, var_1_7=16, var_1_8=-10, var_1_9=-8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=-25, var_1_5=-16, var_1_6=1021/4, var_1_7=16, var_1_8=-10, var_1_9=-8] [L89] RET assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=-25, var_1_5=-16, var_1_6=1021/4, var_1_7=16, var_1_8=-10, var_1_9=-8] [L90] var_1_4 = __VERIFIER_nondet_char() [L91] CALL assume_abort_if_not(var_1_4 >= -127) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=1, var_1_5=-16, var_1_6=1021/4, var_1_7=16, var_1_8=-10, var_1_9=-8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=1, var_1_5=-16, var_1_6=1021/4, var_1_7=16, var_1_8=-10, var_1_9=-8] [L91] RET assume_abort_if_not(var_1_4 >= -127) VAL [isInitial=1, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=1, var_1_5=-16, var_1_6=1021/4, var_1_7=16, var_1_8=-10, var_1_9=-8] [L92] CALL assume_abort_if_not(var_1_4 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=1, var_1_5=-16, var_1_6=1021/4, var_1_7=16, var_1_8=-10, var_1_9=-8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=1, var_1_5=-16, var_1_6=1021/4, var_1_7=16, var_1_8=-10, var_1_9=-8] [L92] RET assume_abort_if_not(var_1_4 <= 127) VAL [isInitial=1, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=1, var_1_5=-16, var_1_6=1021/4, var_1_7=16, var_1_8=-10, var_1_9=-8] [L93] var_1_5 = __VERIFIER_nondet_long() [L94] CALL assume_abort_if_not(var_1_5 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=1, var_1_5=-32766, var_1_6=1021/4, var_1_7=16, var_1_8=-10, var_1_9=-8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=1, var_1_5=-32766, var_1_6=1021/4, var_1_7=16, var_1_8=-10, var_1_9=-8] [L94] RET assume_abort_if_not(var_1_5 >= -2147483648) VAL [isInitial=1, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=1, var_1_5=-32766, var_1_6=1021/4, var_1_7=16, var_1_8=-10, var_1_9=-8] [L95] CALL assume_abort_if_not(var_1_5 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=1, var_1_5=-32766, var_1_6=1021/4, var_1_7=16, var_1_8=-10, var_1_9=-8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=1, var_1_5=-32766, var_1_6=1021/4, var_1_7=16, var_1_8=-10, var_1_9=-8] [L95] RET assume_abort_if_not(var_1_5 <= 2147483647) VAL [isInitial=1, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=1, var_1_5=-32766, var_1_6=1021/4, var_1_7=16, var_1_8=-10, var_1_9=-8] [L96] var_1_6 = __VERIFIER_nondet_float() [L97] CALL assume_abort_if_not((var_1_6 >= -922337.2036854776000e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854776000e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=1, var_1_5=-32766, var_1_7=16, var_1_8=-10, var_1_9=-8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=1, var_1_5=-32766, var_1_7=16, var_1_8=-10, var_1_9=-8] [L97] RET assume_abort_if_not((var_1_6 >= -922337.2036854776000e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854776000e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=1, var_1_5=-32766, var_1_7=16, var_1_8=-10, var_1_9=-8] [L98] var_1_7 = __VERIFIER_nondet_ushort() [L99] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=1, var_1_5=-32766, var_1_8=-10, var_1_9=-8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=1, var_1_5=-32766, var_1_8=-10, var_1_9=-8] [L99] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=1, var_1_5=-32766, var_1_8=-10, var_1_9=-8] [L100] CALL assume_abort_if_not(var_1_7 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=1, var_1_5=-32766, var_1_7=32767, var_1_8=-10, var_1_9=-8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=1, var_1_5=-32766, var_1_7=32767, var_1_8=-10, var_1_9=-8] [L100] RET assume_abort_if_not(var_1_7 <= 65534) VAL [isInitial=1, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=1, var_1_5=-32766, var_1_7=32767, var_1_8=-10, var_1_9=-8] [L101] var_1_9 = __VERIFIER_nondet_char() [L102] CALL assume_abort_if_not(var_1_9 >= -127) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=1, var_1_5=-32766, var_1_7=32767, var_1_8=-10, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=1, var_1_5=-32766, var_1_7=32767, var_1_8=-10, var_1_9=0] [L102] RET assume_abort_if_not(var_1_9 >= -127) VAL [isInitial=1, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=1, var_1_5=-32766, var_1_7=32767, var_1_8=-10, var_1_9=0] [L103] CALL assume_abort_if_not(var_1_9 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=1, var_1_5=-32766, var_1_7=32767, var_1_8=-10, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=1, var_1_5=-32766, var_1_7=32767, var_1_8=-10, var_1_9=0] [L103] RET assume_abort_if_not(var_1_9 <= 126) VAL [isInitial=1, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=1, var_1_5=-32766, var_1_7=32767, var_1_8=-10, var_1_9=0] [L104] var_1_11 = __VERIFIER_nondet_ushort() [L105] CALL assume_abort_if_not(var_1_11 >= 8191) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=16383, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=1, var_1_5=-32766, var_1_7=32767, var_1_8=-10, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=8, var_1_11=16383, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=1, var_1_5=-32766, var_1_7=32767, var_1_8=-10, var_1_9=0] [L105] RET assume_abort_if_not(var_1_11 >= 8191) VAL [isInitial=1, var_1_10=8, var_1_11=16383, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=1, var_1_5=-32766, var_1_7=32767, var_1_8=-10, var_1_9=0] [L106] CALL assume_abort_if_not(var_1_11 <= 16384) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=16383, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=1, var_1_5=-32766, var_1_7=32767, var_1_8=-10, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=8, var_1_11=16383, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=1, var_1_5=-32766, var_1_7=32767, var_1_8=-10, var_1_9=0] [L106] RET assume_abort_if_not(var_1_11 <= 16384) VAL [isInitial=1, var_1_10=8, var_1_11=16383, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=1, var_1_5=-32766, var_1_7=32767, var_1_8=-10, var_1_9=0] [L107] var_1_12 = __VERIFIER_nondet_ushort() [L108] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=16383, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=1, var_1_5=-32766, var_1_7=32767, var_1_8=-10, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=8, var_1_11=16383, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=1, var_1_5=-32766, var_1_7=32767, var_1_8=-10, var_1_9=0] [L108] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, var_1_10=8, var_1_11=16383, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=1, var_1_5=-32766, var_1_7=32767, var_1_8=-10, var_1_9=0] [L109] CALL assume_abort_if_not(var_1_12 <= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=16383, var_1_12=16383, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=1, var_1_5=-32766, var_1_7=32767, var_1_8=-10, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=8, var_1_11=16383, var_1_12=16383, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=1, var_1_5=-32766, var_1_7=32767, var_1_8=-10, var_1_9=0] [L109] RET assume_abort_if_not(var_1_12 <= 16383) VAL [isInitial=1, var_1_10=8, var_1_11=16383, var_1_12=16383, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=1, var_1_5=-32766, var_1_7=32767, var_1_8=-10, var_1_9=0] [L110] var_1_14 = __VERIFIER_nondet_uchar() [L111] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=16383, var_1_12=16383, var_1_13=200, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=1, var_1_5=-32766, var_1_7=32767, var_1_8=-10, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=8, var_1_11=16383, var_1_12=16383, var_1_13=200, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=1, var_1_5=-32766, var_1_7=32767, var_1_8=-10, var_1_9=0] [L111] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, var_1_10=8, var_1_11=16383, var_1_12=16383, var_1_13=200, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=1, var_1_5=-32766, var_1_7=32767, var_1_8=-10, var_1_9=0] [L112] CALL assume_abort_if_not(var_1_14 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=16383, var_1_12=16383, var_1_13=200, var_1_14=1, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=1, var_1_5=-32766, var_1_7=32767, var_1_8=-10, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=8, var_1_11=16383, var_1_12=16383, var_1_13=200, var_1_14=1, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=1, var_1_5=-32766, var_1_7=32767, var_1_8=-10, var_1_9=0] [L112] RET assume_abort_if_not(var_1_14 <= 1) VAL [isInitial=1, var_1_10=8, var_1_11=16383, var_1_12=16383, var_1_13=200, var_1_14=1, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=1, var_1_5=-32766, var_1_7=32767, var_1_8=-10, var_1_9=0] [L113] var_1_16 = __VERIFIER_nondet_ushort() [L114] CALL assume_abort_if_not(var_1_16 >= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=16383, var_1_12=16383, var_1_13=200, var_1_14=1, var_1_15=0, var_1_16=32767, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=1, var_1_5=-32766, var_1_7=32767, var_1_8=-10, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=8, var_1_11=16383, var_1_12=16383, var_1_13=200, var_1_14=1, var_1_15=0, var_1_16=32767, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=1, var_1_5=-32766, var_1_7=32767, var_1_8=-10, var_1_9=0] [L114] RET assume_abort_if_not(var_1_16 >= 32767) VAL [isInitial=1, var_1_10=8, var_1_11=16383, var_1_12=16383, var_1_13=200, var_1_14=1, var_1_15=0, var_1_16=32767, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=1, var_1_5=-32766, var_1_7=32767, var_1_8=-10, var_1_9=0] [L115] CALL assume_abort_if_not(var_1_16 <= 65535) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=16383, var_1_12=16383, var_1_13=200, var_1_14=1, var_1_15=0, var_1_16=32767, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=1, var_1_5=-32766, var_1_7=32767, var_1_8=-10, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=8, var_1_11=16383, var_1_12=16383, var_1_13=200, var_1_14=1, var_1_15=0, var_1_16=32767, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=1, var_1_5=-32766, var_1_7=32767, var_1_8=-10, var_1_9=0] [L115] RET assume_abort_if_not(var_1_16 <= 65535) VAL [isInitial=1, var_1_10=8, var_1_11=16383, var_1_12=16383, var_1_13=200, var_1_14=1, var_1_15=0, var_1_16=32767, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=1, var_1_5=-32766, var_1_7=32767, var_1_8=-10, var_1_9=0] [L116] var_1_17 = __VERIFIER_nondet_ushort() [L117] CALL assume_abort_if_not(var_1_17 >= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=16383, var_1_12=16383, var_1_13=200, var_1_14=1, var_1_15=0, var_1_16=32767, var_1_17=32767, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=1, var_1_5=-32766, var_1_7=32767, var_1_8=-10, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=8, var_1_11=16383, var_1_12=16383, var_1_13=200, var_1_14=1, var_1_15=0, var_1_16=32767, var_1_17=32767, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=1, var_1_5=-32766, var_1_7=32767, var_1_8=-10, var_1_9=0] [L117] RET assume_abort_if_not(var_1_17 >= 16383) VAL [isInitial=1, var_1_10=8, var_1_11=16383, var_1_12=16383, var_1_13=200, var_1_14=1, var_1_15=0, var_1_16=32767, var_1_17=32767, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=1, var_1_5=-32766, var_1_7=32767, var_1_8=-10, var_1_9=0] [L118] CALL assume_abort_if_not(var_1_17 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=16383, var_1_12=16383, var_1_13=200, var_1_14=1, var_1_15=0, var_1_16=32767, var_1_17=32767, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=1, var_1_5=-32766, var_1_7=32767, var_1_8=-10, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=8, var_1_11=16383, var_1_12=16383, var_1_13=200, var_1_14=1, var_1_15=0, var_1_16=32767, var_1_17=32767, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=1, var_1_5=-32766, var_1_7=32767, var_1_8=-10, var_1_9=0] [L118] RET assume_abort_if_not(var_1_17 <= 32767) VAL [isInitial=1, var_1_10=8, var_1_11=16383, var_1_12=16383, var_1_13=200, var_1_14=1, var_1_15=0, var_1_16=32767, var_1_17=32767, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=1, var_1_5=-32766, var_1_7=32767, var_1_8=-10, var_1_9=0] [L119] var_1_18 = __VERIFIER_nondet_uchar() [L120] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=16383, var_1_12=16383, var_1_13=200, var_1_14=1, var_1_15=0, var_1_16=32767, var_1_17=32767, var_1_19=-50, var_1_1=2, var_1_4=1, var_1_5=-32766, var_1_7=32767, var_1_8=-10, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=8, var_1_11=16383, var_1_12=16383, var_1_13=200, var_1_14=1, var_1_15=0, var_1_16=32767, var_1_17=32767, var_1_19=-50, var_1_1=2, var_1_4=1, var_1_5=-32766, var_1_7=32767, var_1_8=-10, var_1_9=0] [L120] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, var_1_10=8, var_1_11=16383, var_1_12=16383, var_1_13=200, var_1_14=1, var_1_15=0, var_1_16=32767, var_1_17=32767, var_1_19=-50, var_1_1=2, var_1_4=1, var_1_5=-32766, var_1_7=32767, var_1_8=-10, var_1_9=0] [L121] CALL assume_abort_if_not(var_1_18 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=16383, var_1_12=16383, var_1_13=200, var_1_14=1, var_1_15=0, var_1_16=32767, var_1_17=32767, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=1, var_1_5=-32766, var_1_7=32767, var_1_8=-10, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=8, var_1_11=16383, var_1_12=16383, var_1_13=200, var_1_14=1, var_1_15=0, var_1_16=32767, var_1_17=32767, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=1, var_1_5=-32766, var_1_7=32767, var_1_8=-10, var_1_9=0] [L121] RET assume_abort_if_not(var_1_18 <= 0) VAL [isInitial=1, var_1_10=8, var_1_11=16383, var_1_12=16383, var_1_13=200, var_1_14=1, var_1_15=0, var_1_16=32767, var_1_17=32767, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=1, var_1_5=-32766, var_1_7=32767, var_1_8=-10, var_1_9=0] [L134] RET updateVariables() [L135] CALL step() [L44] COND FALSE !(((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))) <= var_1_5) [L51] var_1_1 = var_1_7 VAL [isInitial=1, var_1_10=8, var_1_11=16383, var_1_12=16383, var_1_13=200, var_1_14=1, var_1_15=0, var_1_16=32767, var_1_17=32767, var_1_18=0, var_1_19=-50, var_1_1=32767, var_1_4=1, var_1_5=-32766, var_1_7=32767, var_1_8=-10, var_1_9=0] [L53] COND TRUE (- var_1_7) < (var_1_5 * var_1_4) [L54] var_1_8 = var_1_9 VAL [isInitial=1, var_1_10=8, var_1_11=16383, var_1_12=16383, var_1_13=200, var_1_14=1, var_1_15=0, var_1_16=32767, var_1_17=32767, var_1_18=0, var_1_19=-50, var_1_1=32767, var_1_4=1, var_1_5=-32766, var_1_7=32767, var_1_8=0, var_1_9=0] [L56] var_1_10 = (50 + ((var_1_11 + 10000) - var_1_12)) VAL [isInitial=1, var_1_10=10050, var_1_11=16383, var_1_12=16383, var_1_13=200, var_1_14=1, var_1_15=0, var_1_16=32767, var_1_17=32767, var_1_18=0, var_1_19=-50, var_1_1=32767, var_1_4=1, var_1_5=-32766, var_1_7=32767, var_1_8=0, var_1_9=0] [L57] COND FALSE !((var_1_6 * var_1_2) <= var_1_3) VAL [isInitial=1, var_1_10=10050, var_1_11=16383, var_1_12=16383, var_1_13=200, var_1_14=1, var_1_15=0, var_1_16=32767, var_1_17=32767, var_1_18=0, var_1_19=-50, var_1_1=32767, var_1_4=1, var_1_5=-32766, var_1_7=32767, var_1_8=0, var_1_9=0] [L64] COND FALSE !(var_1_3 != var_1_6) [L71] var_1_15 = var_1_18 VAL [isInitial=1, var_1_10=10050, var_1_11=16383, var_1_12=16383, var_1_13=200, var_1_14=1, var_1_15=0, var_1_16=32767, var_1_17=32767, var_1_18=0, var_1_19=-50, var_1_1=32767, var_1_4=1, var_1_5=-32766, var_1_7=32767, var_1_8=0, var_1_9=0] [L73] COND TRUE var_1_10 < (- var_1_5) VAL [isInitial=1, var_1_10=10050, var_1_11=16383, var_1_12=16383, var_1_13=200, var_1_14=1, var_1_15=0, var_1_16=32767, var_1_17=32767, var_1_18=0, var_1_19=-50, var_1_1=32767, var_1_4=1, var_1_5=-32766, var_1_7=32767, var_1_8=0, var_1_9=0] [L74] COND FALSE !((var_1_7 + (128 + var_1_10)) <= var_1_8) VAL [isInitial=1, var_1_10=10050, var_1_11=16383, var_1_12=16383, var_1_13=200, var_1_14=1, var_1_15=0, var_1_16=32767, var_1_17=32767, var_1_18=0, var_1_19=-50, var_1_1=32767, var_1_4=1, var_1_5=-32766, var_1_7=32767, var_1_8=0, var_1_9=0] [L135] RET step() [L136] CALL, EXPR property() [L126-L127] return ((((((((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))) <= var_1_5) ? (((- var_1_3) > ((((var_1_2) > (var_1_6)) ? (var_1_2) : (var_1_6)))) ? (var_1_1 == ((unsigned short int) var_1_7)) : (var_1_1 == ((unsigned short int) var_1_7))) : (var_1_1 == ((unsigned short int) var_1_7))) && (((- var_1_7) < (var_1_5 * var_1_4)) ? (var_1_8 == ((signed char) var_1_9)) : 1)) && (var_1_10 == ((unsigned short int) (50 + ((var_1_11 + 10000) - var_1_12))))) && (((var_1_6 * var_1_2) <= var_1_3) ? (var_1_14 ? (var_1_13 == ((signed short int) (-10 + var_1_12))) : (var_1_13 == ((signed short int) var_1_4))) : 1)) && ((var_1_3 != var_1_6) ? ((var_1_1 >= (var_1_16 - (var_1_17 - 256))) ? (var_1_15 == ((unsigned char) var_1_18)) : (var_1_15 == ((unsigned char) var_1_18))) : (var_1_15 == ((unsigned char) var_1_18)))) && ((var_1_10 < (- var_1_5)) ? (((var_1_7 + (128 + var_1_10)) <= var_1_8) ? (var_1_19 == ((signed long int) var_1_4)) : 1) : ((var_1_10 < (((((var_1_5) < (var_1_17)) ? (var_1_5) : (var_1_17))) / var_1_11)) ? (var_1_19 == ((signed long int) ((((var_1_7) > (var_1_9)) ? (var_1_7) : (var_1_9))))) : (var_1_19 == ((signed long int) var_1_16)))) ; [L136] RET, EXPR property() [L136] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=10050, var_1_11=16383, var_1_12=16383, var_1_13=200, var_1_14=1, var_1_15=0, var_1_16=32767, var_1_17=32767, var_1_18=0, var_1_19=-50, var_1_1=32767, var_1_4=1, var_1_5=-32766, var_1_7=32767, var_1_8=0, var_1_9=0] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=10050, var_1_11=16383, var_1_12=16383, var_1_13=200, var_1_14=1, var_1_15=0, var_1_16=32767, var_1_17=32767, var_1_18=0, var_1_19=-50, var_1_1=32767, var_1_4=1, var_1_5=-32766, var_1_7=32767, var_1_8=0, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 60 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.7s, OverallIterations: 3, TraceHistogramMax: 23, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 67 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 67 mSDsluCounter, 168 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 66 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 11 IncrementalHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 66 mSolverCounterUnsat, 168 mSDtfsCounter, 11 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 280 GetRequests, 277 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=60occurred in iteration=0, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 560 NumberOfCodeBlocks, 560 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 278 ConstructedInterpolants, 0 QuantifiedInterpolants, 446 SizeOfPredicates, 4 NumberOfNonLiveVariables, 628 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 2024/2024 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 11:45:29,983 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468d6dae-5f26-4bd9-a72f-23fa6827899c/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468d6dae-5f26-4bd9-a72f-23fa6827899c/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468d6dae-5f26-4bd9-a72f-23fa6827899c/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_468d6dae-5f26-4bd9-a72f-23fa6827899c/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468d6dae-5f26-4bd9-a72f-23fa6827899c/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-77.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468d6dae-5f26-4bd9-a72f-23fa6827899c/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_468d6dae-5f26-4bd9-a72f-23fa6827899c/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 61edaa17b57a1e296f8c551a6e15613c70d27e9bd710209c47f2d0643bc678c5 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 11:45:32,776 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 11:45:32,860 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468d6dae-5f26-4bd9-a72f-23fa6827899c/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-26 11:45:32,882 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 11:45:32,883 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 11:45:32,931 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 11:45:32,935 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 11:45:32,936 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 11:45:32,937 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 11:45:32,942 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 11:45:32,943 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 11:45:32,943 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 11:45:32,944 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 11:45:32,946 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 11:45:32,947 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 11:45:32,948 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 11:45:32,948 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 11:45:32,949 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 11:45:32,949 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 11:45:32,950 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 11:45:32,951 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 11:45:32,952 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 11:45:32,952 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 11:45:32,952 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-26 11:45:32,953 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-26 11:45:32,953 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-26 11:45:32,954 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 11:45:32,954 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 11:45:32,955 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 11:45:32,955 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 11:45:32,957 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 11:45:32,957 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 11:45:32,958 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 11:45:32,958 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:45:32,958 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 11:45:32,958 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 11:45:32,960 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 11:45:32,960 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-26 11:45:32,960 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-26 11:45:32,961 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 11:45:32,961 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 11:45:32,961 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 11:45:32,962 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 11:45:32,962 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 11:45:32,963 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-26 11:45:32,963 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_468d6dae-5f26-4bd9-a72f-23fa6827899c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468d6dae-5f26-4bd9-a72f-23fa6827899c/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 61edaa17b57a1e296f8c551a6e15613c70d27e9bd710209c47f2d0643bc678c5 [2023-11-26 11:45:33,377 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 11:45:33,409 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 11:45:33,412 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 11:45:33,413 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 11:45:33,414 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 11:45:33,417 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468d6dae-5f26-4bd9-a72f-23fa6827899c/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-77.i [2023-11-26 11:45:36,889 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 11:45:37,174 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 11:45:37,176 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468d6dae-5f26-4bd9-a72f-23fa6827899c/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-77.i [2023-11-26 11:45:37,188 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468d6dae-5f26-4bd9-a72f-23fa6827899c/bin/uautomizer-verify-VRDe98Ueme/data/2e1435f57/db4cfa49fdfa47d5bab8c10f8d1bf75b/FLAGea60da023 [2023-11-26 11:45:37,206 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468d6dae-5f26-4bd9-a72f-23fa6827899c/bin/uautomizer-verify-VRDe98Ueme/data/2e1435f57/db4cfa49fdfa47d5bab8c10f8d1bf75b [2023-11-26 11:45:37,212 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 11:45:37,214 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 11:45:37,218 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 11:45:37,219 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 11:45:37,224 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 11:45:37,225 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:45:37" (1/1) ... [2023-11-26 11:45:37,226 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1672652f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:45:37, skipping insertion in model container [2023-11-26 11:45:37,226 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:45:37" (1/1) ... [2023-11-26 11:45:37,276 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 11:45:37,482 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_468d6dae-5f26-4bd9-a72f-23fa6827899c/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-77.i[913,926] [2023-11-26 11:45:37,579 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:45:37,604 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 11:45:37,624 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_468d6dae-5f26-4bd9-a72f-23fa6827899c/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-77.i[913,926] [2023-11-26 11:45:37,682 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:45:37,715 INFO L206 MainTranslator]: Completed translation [2023-11-26 11:45:37,716 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:45:37 WrapperNode [2023-11-26 11:45:37,716 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 11:45:37,718 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 11:45:37,718 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 11:45:37,718 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 11:45:37,727 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:45:37" (1/1) ... [2023-11-26 11:45:37,756 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:45:37" (1/1) ... [2023-11-26 11:45:37,811 INFO L138 Inliner]: procedures = 27, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 138 [2023-11-26 11:45:37,811 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 11:45:37,812 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 11:45:37,812 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 11:45:37,812 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 11:45:37,824 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:45:37" (1/1) ... [2023-11-26 11:45:37,825 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:45:37" (1/1) ... [2023-11-26 11:45:37,834 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:45:37" (1/1) ... [2023-11-26 11:45:37,847 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 11:45:37,847 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:45:37" (1/1) ... [2023-11-26 11:45:37,848 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:45:37" (1/1) ... [2023-11-26 11:45:37,859 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:45:37" (1/1) ... [2023-11-26 11:45:37,863 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:45:37" (1/1) ... [2023-11-26 11:45:37,866 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:45:37" (1/1) ... [2023-11-26 11:45:37,869 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:45:37" (1/1) ... [2023-11-26 11:45:37,874 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 11:45:37,875 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 11:45:37,875 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 11:45:37,875 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 11:45:37,876 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:45:37" (1/1) ... [2023-11-26 11:45:37,883 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:45:37,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468d6dae-5f26-4bd9-a72f-23fa6827899c/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:45:37,910 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468d6dae-5f26-4bd9-a72f-23fa6827899c/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 11:45:37,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468d6dae-5f26-4bd9-a72f-23fa6827899c/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 11:45:38,022 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 11:45:38,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-26 11:45:38,022 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-26 11:45:38,022 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-26 11:45:38,033 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 11:45:38,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 11:45:38,165 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 11:45:38,167 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 11:45:39,892 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 11:45:39,997 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 11:45:39,997 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-26 11:45:39,998 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:45:39 BoogieIcfgContainer [2023-11-26 11:45:39,998 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 11:45:40,000 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 11:45:40,000 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 11:45:40,004 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 11:45:40,004 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 11:45:37" (1/3) ... [2023-11-26 11:45:40,007 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c82b037 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:45:40, skipping insertion in model container [2023-11-26 11:45:40,007 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:45:37" (2/3) ... [2023-11-26 11:45:40,008 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c82b037 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:45:40, skipping insertion in model container [2023-11-26 11:45:40,008 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:45:39" (3/3) ... [2023-11-26 11:45:40,010 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-77.i [2023-11-26 11:45:40,030 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 11:45:40,031 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-26 11:45:40,090 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 11:45:40,097 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;@33226d4d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 11:45:40,097 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-26 11:45:40,101 INFO L276 IsEmpty]: Start isEmpty. Operand has 60 states, 34 states have (on average 1.4411764705882353) internal successors, (49), 35 states have internal predecessors, (49), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-26 11:45:40,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2023-11-26 11:45:40,118 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:45:40,120 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:45:40,122 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:45:40,128 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:45:40,129 INFO L85 PathProgramCache]: Analyzing trace with hash 955205673, now seen corresponding path program 1 times [2023-11-26 11:45:40,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 11:45:40,148 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [356877076] [2023-11-26 11:45:40,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:45:40,149 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 11:45:40,149 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468d6dae-5f26-4bd9-a72f-23fa6827899c/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 11:45:40,152 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468d6dae-5f26-4bd9-a72f-23fa6827899c/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 11:45:40,194 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468d6dae-5f26-4bd9-a72f-23fa6827899c/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 11:45:40,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:45:40,583 INFO L262 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-26 11:45:40,594 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:45:40,678 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 512 proven. 0 refuted. 0 times theorem prover too weak. 500 trivial. 0 not checked. [2023-11-26 11:45:40,678 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 11:45:40,679 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-26 11:45:40,679 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [356877076] [2023-11-26 11:45:40,680 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [356877076] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:45:40,680 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:45:40,681 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:45:40,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1016947572] [2023-11-26 11:45:40,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:45:40,692 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-26 11:45:40,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-26 11:45:40,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-26 11:45:40,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 11:45:40,765 INFO L87 Difference]: Start difference. First operand has 60 states, 34 states have (on average 1.4411764705882353) internal successors, (49), 35 states have internal predecessors, (49), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) Second operand has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-11-26 11:45:41,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:45:41,202 INFO L93 Difference]: Finished difference Result 117 states and 211 transitions. [2023-11-26 11:45:41,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-26 11:45:41,220 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 140 [2023-11-26 11:45:41,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:45:41,229 INFO L225 Difference]: With dead ends: 117 [2023-11-26 11:45:41,229 INFO L226 Difference]: Without dead ends: 58 [2023-11-26 11:45:41,233 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 139 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 11:45:41,237 INFO L413 NwaCegarLoop]: 86 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-26 11:45:41,238 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 86 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-26 11:45:41,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2023-11-26 11:45:41,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2023-11-26 11:45:41,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 33 states have (on average 1.303030303030303) internal successors, (43), 33 states have internal predecessors, (43), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-26 11:45:41,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 89 transitions. [2023-11-26 11:45:41,301 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 89 transitions. Word has length 140 [2023-11-26 11:45:41,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:45:41,302 INFO L495 AbstractCegarLoop]: Abstraction has 58 states and 89 transitions. [2023-11-26 11:45:41,303 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-11-26 11:45:41,303 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 89 transitions. [2023-11-26 11:45:41,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2023-11-26 11:45:41,314 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:45:41,315 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:45:41,329 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468d6dae-5f26-4bd9-a72f-23fa6827899c/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 11:45:41,523 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468d6dae-5f26-4bd9-a72f-23fa6827899c/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 11:45:41,524 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:45:41,524 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:45:41,525 INFO L85 PathProgramCache]: Analyzing trace with hash 720665633, now seen corresponding path program 1 times [2023-11-26 11:45:41,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 11:45:41,527 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1822782543] [2023-11-26 11:45:41,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:45:41,528 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 11:45:41,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468d6dae-5f26-4bd9-a72f-23fa6827899c/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 11:45:41,529 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468d6dae-5f26-4bd9-a72f-23fa6827899c/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 11:45:41,532 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468d6dae-5f26-4bd9-a72f-23fa6827899c/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 11:45:41,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:45:41,814 INFO L262 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-26 11:45:41,826 INFO L285 TraceCheckSpWp]: Computing forward predicates...