./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-20.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_36614f6f-ded8-49ed-92f0-e1cbf299a502/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36614f6f-ded8-49ed-92f0-e1cbf299a502/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_36614f6f-ded8-49ed-92f0-e1cbf299a502/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36614f6f-ded8-49ed-92f0-e1cbf299a502/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-20.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36614f6f-ded8-49ed-92f0-e1cbf299a502/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_36614f6f-ded8-49ed-92f0-e1cbf299a502/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 dc962406cce9cc0f342134c6a6c6d70f6c64ebeaba5b788efed40723bc270a1e --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 11:59:42,941 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 11:59:43,019 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36614f6f-ded8-49ed-92f0-e1cbf299a502/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-26 11:59:43,025 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 11:59:43,026 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 11:59:43,052 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 11:59:43,053 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 11:59:43,053 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 11:59:43,054 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 11:59:43,055 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 11:59:43,055 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 11:59:43,056 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 11:59:43,057 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 11:59:43,057 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 11:59:43,058 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 11:59:43,058 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 11:59:43,059 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 11:59:43,059 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 11:59:43,060 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 11:59:43,061 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 11:59:43,061 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 11:59:43,065 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 11:59:43,065 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 11:59:43,066 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 11:59:43,066 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 11:59:43,066 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 11:59:43,067 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 11:59:43,068 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 11:59:43,068 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 11:59:43,069 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 11:59:43,070 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 11:59:43,070 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:59:43,070 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 11:59:43,071 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 11:59:43,071 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 11:59:43,071 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 11:59:43,071 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 11:59:43,072 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 11:59:43,072 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 11:59:43,072 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 11:59:43,073 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 11:59:43,073 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 11:59:43,073 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_36614f6f-ded8-49ed-92f0-e1cbf299a502/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36614f6f-ded8-49ed-92f0-e1cbf299a502/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dc962406cce9cc0f342134c6a6c6d70f6c64ebeaba5b788efed40723bc270a1e [2023-11-26 11:59:43,380 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 11:59:43,411 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 11:59:43,414 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 11:59:43,415 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 11:59:43,416 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 11:59:43,417 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36614f6f-ded8-49ed-92f0-e1cbf299a502/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-20.i [2023-11-26 11:59:46,465 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 11:59:46,695 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 11:59:46,696 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36614f6f-ded8-49ed-92f0-e1cbf299a502/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-20.i [2023-11-26 11:59:46,705 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36614f6f-ded8-49ed-92f0-e1cbf299a502/bin/uautomizer-verify-VRDe98Ueme/data/80c367506/170d6bb1303e470aa37feca44befe497/FLAGd06337c1d [2023-11-26 11:59:46,723 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36614f6f-ded8-49ed-92f0-e1cbf299a502/bin/uautomizer-verify-VRDe98Ueme/data/80c367506/170d6bb1303e470aa37feca44befe497 [2023-11-26 11:59:46,726 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 11:59:46,733 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 11:59:46,735 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 11:59:46,735 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 11:59:46,740 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 11:59:46,741 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:59:46" (1/1) ... [2023-11-26 11:59:46,742 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22b95b6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:46, skipping insertion in model container [2023-11-26 11:59:46,742 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:59:46" (1/1) ... [2023-11-26 11:59:46,782 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 11:59:46,960 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_36614f6f-ded8-49ed-92f0-e1cbf299a502/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-20.i[919,932] [2023-11-26 11:59:47,033 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:59:47,048 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 11:59:47,068 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_36614f6f-ded8-49ed-92f0-e1cbf299a502/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-20.i[919,932] [2023-11-26 11:59:47,102 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:59:47,120 INFO L206 MainTranslator]: Completed translation [2023-11-26 11:59:47,121 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:47 WrapperNode [2023-11-26 11:59:47,121 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 11:59:47,122 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 11:59:47,122 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 11:59:47,123 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 11:59:47,130 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:47" (1/1) ... [2023-11-26 11:59:47,145 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:47" (1/1) ... [2023-11-26 11:59:47,194 INFO L138 Inliner]: procedures = 26, calls = 30, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 144 [2023-11-26 11:59:47,195 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 11:59:47,196 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 11:59:47,196 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 11:59:47,196 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 11:59:47,209 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:47" (1/1) ... [2023-11-26 11:59:47,209 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:47" (1/1) ... [2023-11-26 11:59:47,213 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:47" (1/1) ... [2023-11-26 11:59:47,233 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 11:59:47,233 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:47" (1/1) ... [2023-11-26 11:59:47,234 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:47" (1/1) ... [2023-11-26 11:59:47,247 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:47" (1/1) ... [2023-11-26 11:59:47,251 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:47" (1/1) ... [2023-11-26 11:59:47,254 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:47" (1/1) ... [2023-11-26 11:59:47,256 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:47" (1/1) ... [2023-11-26 11:59:47,261 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 11:59:47,262 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 11:59:47,263 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 11:59:47,263 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 11:59:47,264 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:47" (1/1) ... [2023-11-26 11:59:47,270 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:59:47,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36614f6f-ded8-49ed-92f0-e1cbf299a502/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:59:47,302 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36614f6f-ded8-49ed-92f0-e1cbf299a502/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 11:59:47,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36614f6f-ded8-49ed-92f0-e1cbf299a502/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 11:59:47,351 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 11:59:47,352 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-26 11:59:47,353 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-26 11:59:47,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-26 11:59:47,354 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 11:59:47,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 11:59:47,523 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 11:59:47,525 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 11:59:47,985 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 11:59:48,056 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 11:59:48,058 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-26 11:59:48,059 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:59:48 BoogieIcfgContainer [2023-11-26 11:59:48,059 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 11:59:48,062 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 11:59:48,064 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 11:59:48,067 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 11:59:48,068 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 11:59:46" (1/3) ... [2023-11-26 11:59:48,069 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bcf578b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:59:48, skipping insertion in model container [2023-11-26 11:59:48,070 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:47" (2/3) ... [2023-11-26 11:59:48,070 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bcf578b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:59:48, skipping insertion in model container [2023-11-26 11:59:48,070 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:59:48" (3/3) ... [2023-11-26 11:59:48,072 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_dependencies_file-20.i [2023-11-26 11:59:48,089 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 11:59:48,089 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-26 11:59:48,139 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 11:59:48,146 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;@69496b9b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 11:59:48,146 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-26 11:59:48,151 INFO L276 IsEmpty]: Start isEmpty. Operand has 56 states, 36 states have (on average 1.4722222222222223) internal successors, (53), 37 states have internal predecessors, (53), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-11-26 11:59:48,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2023-11-26 11:59:48,166 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:59:48,167 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:59:48,168 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:59:48,174 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:59:48,174 INFO L85 PathProgramCache]: Analyzing trace with hash 2053422231, now seen corresponding path program 1 times [2023-11-26 11:59:48,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:59:48,185 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1824779345] [2023-11-26 11:59:48,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:59:48,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:59:48,419 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 11:59:48,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [978689003] [2023-11-26 11:59:48,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:59:48,421 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:59:48,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36614f6f-ded8-49ed-92f0-e1cbf299a502/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:59:48,425 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36614f6f-ded8-49ed-92f0-e1cbf299a502/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 11:59:48,438 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36614f6f-ded8-49ed-92f0-e1cbf299a502/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-26 11:59:48,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:59:48,646 INFO L262 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-26 11:59:48,659 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:59:49,542 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 346 proven. 51 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2023-11-26 11:59:49,542 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 11:59:50,256 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 72 proven. 21 refuted. 0 times theorem prover too weak. 451 trivial. 0 not checked. [2023-11-26 11:59:50,256 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:59:50,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1824779345] [2023-11-26 11:59:50,257 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 11:59:50,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [978689003] [2023-11-26 11:59:50,258 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [978689003] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-26 11:59:50,258 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-26 11:59:50,259 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 9] total 19 [2023-11-26 11:59:50,261 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899390645] [2023-11-26 11:59:50,264 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-26 11:59:50,270 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-11-26 11:59:50,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:59:50,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-11-26 11:59:50,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2023-11-26 11:59:50,311 INFO L87 Difference]: Start difference. First operand has 56 states, 36 states have (on average 1.4722222222222223) internal successors, (53), 37 states have internal predecessors, (53), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) Second operand has 19 states, 18 states have (on average 3.5555555555555554) internal successors, (64), 17 states have internal predecessors, (64), 6 states have call successors, (30), 4 states have call predecessors, (30), 8 states have return successors, (31), 6 states have call predecessors, (31), 6 states have call successors, (31) [2023-11-26 11:59:51,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:59:51,324 INFO L93 Difference]: Finished difference Result 154 states and 251 transitions. [2023-11-26 11:59:51,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-11-26 11:59:51,327 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.5555555555555554) internal successors, (64), 17 states have internal predecessors, (64), 6 states have call successors, (30), 4 states have call predecessors, (30), 8 states have return successors, (31), 6 states have call predecessors, (31), 6 states have call successors, (31) Word has length 109 [2023-11-26 11:59:51,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:59:51,337 INFO L225 Difference]: With dead ends: 154 [2023-11-26 11:59:51,338 INFO L226 Difference]: Without dead ends: 99 [2023-11-26 11:59:51,343 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 235 GetRequests, 200 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 280 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=398, Invalid=934, Unknown=0, NotChecked=0, Total=1332 [2023-11-26 11:59:51,350 INFO L413 NwaCegarLoop]: 46 mSDtfsCounter, 322 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 510 mSolverCounterSat, 108 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 326 SdHoareTripleChecker+Valid, 227 SdHoareTripleChecker+Invalid, 618 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 108 IncrementalHoareTripleChecker+Valid, 510 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-26 11:59:51,352 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [326 Valid, 227 Invalid, 618 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [108 Valid, 510 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-26 11:59:51,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2023-11-26 11:59:51,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 90. [2023-11-26 11:59:51,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 64 states have (on average 1.3125) internal successors, (84), 65 states have internal predecessors, (84), 19 states have call successors, (19), 6 states have call predecessors, (19), 6 states have return successors, (19), 18 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-26 11:59:51,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 122 transitions. [2023-11-26 11:59:51,432 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 122 transitions. Word has length 109 [2023-11-26 11:59:51,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:59:51,434 INFO L495 AbstractCegarLoop]: Abstraction has 90 states and 122 transitions. [2023-11-26 11:59:51,435 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.5555555555555554) internal successors, (64), 17 states have internal predecessors, (64), 6 states have call successors, (30), 4 states have call predecessors, (30), 8 states have return successors, (31), 6 states have call predecessors, (31), 6 states have call successors, (31) [2023-11-26 11:59:51,435 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 122 transitions. [2023-11-26 11:59:51,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2023-11-26 11:59:51,441 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:59:51,442 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:59:51,458 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36614f6f-ded8-49ed-92f0-e1cbf299a502/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-26 11:59:51,650 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36614f6f-ded8-49ed-92f0-e1cbf299a502/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-26 11:59:51,650 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:59:51,651 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:59:51,651 INFO L85 PathProgramCache]: Analyzing trace with hash 1996163929, now seen corresponding path program 1 times [2023-11-26 11:59:51,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:59:51,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [802317176] [2023-11-26 11:59:51,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:59:51,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:59:51,729 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 11:59:51,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [531417685] [2023-11-26 11:59:51,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:59:51,730 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:59:51,730 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36614f6f-ded8-49ed-92f0-e1cbf299a502/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:59:51,737 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36614f6f-ded8-49ed-92f0-e1cbf299a502/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 11:59:51,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36614f6f-ded8-49ed-92f0-e1cbf299a502/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-26 11:59:51,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:59:51,902 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:59:51,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:59:52,051 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:59:52,052 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-26 11:59:52,053 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-26 11:59:52,066 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36614f6f-ded8-49ed-92f0-e1cbf299a502/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-26 11:59:52,266 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36614f6f-ded8-49ed-92f0-e1cbf299a502/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:59:52,269 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-26 11:59:52,287 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-26 11:59:52,361 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short17 could not be translated [2023-11-26 11:59:52,381 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 11:59:52 BoogieIcfgContainer [2023-11-26 11:59:52,381 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-26 11:59:52,382 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 11:59:52,382 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 11:59:52,382 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 11:59:52,383 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:59:48" (3/4) ... [2023-11-26 11:59:52,385 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-26 11:59:52,386 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 11:59:52,387 INFO L158 Benchmark]: Toolchain (without parser) took 5659.15ms. Allocated memory was 125.8MB in the beginning and 174.1MB in the end (delta: 48.2MB). Free memory was 84.0MB in the beginning and 135.5MB in the end (delta: -51.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 11:59:52,388 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 125.8MB. Free memory is still 75.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 11:59:52,388 INFO L158 Benchmark]: CACSL2BoogieTranslator took 386.89ms. Allocated memory is still 125.8MB. Free memory was 83.6MB in the beginning and 70.3MB in the end (delta: 13.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-26 11:59:52,389 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.78ms. Allocated memory is still 125.8MB. Free memory was 70.3MB in the beginning and 66.6MB in the end (delta: 3.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 11:59:52,389 INFO L158 Benchmark]: Boogie Preprocessor took 65.97ms. Allocated memory is still 125.8MB. Free memory was 66.6MB in the beginning and 61.3MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-26 11:59:52,390 INFO L158 Benchmark]: RCFGBuilder took 796.81ms. Allocated memory was 125.8MB in the beginning and 174.1MB in the end (delta: 48.2MB). Free memory was 61.3MB in the beginning and 126.0MB in the end (delta: -64.7MB). Peak memory consumption was 13.0MB. Max. memory is 16.1GB. [2023-11-26 11:59:52,391 INFO L158 Benchmark]: TraceAbstraction took 4319.54ms. Allocated memory is still 174.1MB. Free memory was 124.9MB in the beginning and 136.6MB in the end (delta: -11.6MB). Peak memory consumption was 78.5MB. Max. memory is 16.1GB. [2023-11-26 11:59:52,391 INFO L158 Benchmark]: Witness Printer took 4.51ms. Allocated memory is still 174.1MB. Free memory was 136.6MB in the beginning and 135.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 11:59:52,394 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 125.8MB. Free memory is still 75.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 386.89ms. Allocated memory is still 125.8MB. Free memory was 83.6MB in the beginning and 70.3MB in the end (delta: 13.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.78ms. Allocated memory is still 125.8MB. Free memory was 70.3MB in the beginning and 66.6MB in the end (delta: 3.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 65.97ms. Allocated memory is still 125.8MB. Free memory was 66.6MB in the beginning and 61.3MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 796.81ms. Allocated memory was 125.8MB in the beginning and 174.1MB in the end (delta: 48.2MB). Free memory was 61.3MB in the beginning and 126.0MB in the end (delta: -64.7MB). Peak memory consumption was 13.0MB. Max. memory is 16.1GB. * TraceAbstraction took 4319.54ms. Allocated memory is still 174.1MB. Free memory was 124.9MB in the beginning and 136.6MB in the end (delta: -11.6MB). Peak memory consumption was 78.5MB. Max. memory is 16.1GB. * Witness Printer took 4.51ms. Allocated memory is still 174.1MB. Free memory was 136.6MB in the beginning and 135.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short17 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * 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 116, overapproximation of someBinaryArithmeticFLOAToperation at line 59. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 5; [L23] unsigned char var_1_2 = 0; [L24] unsigned char var_1_3 = 128; [L25] unsigned char var_1_4 = 2; [L26] unsigned char var_1_5 = 2; [L27] unsigned char var_1_6 = 32; [L28] unsigned short int var_1_8 = 100; [L29] float var_1_9 = 255.75; [L30] signed char var_1_10 = 64; [L31] signed char var_1_11 = 32; [L32] signed char var_1_12 = 4; [L33] float var_1_13 = 0.0; [L34] float var_1_14 = 7.25; [L35] float var_1_15 = 8.125; [L36] float var_1_16 = 24.5; [L37] signed short int var_1_17 = -256; [L38] double var_1_18 = 31.5; [L39] unsigned char last_1_var_1_6 = 32; [L40] unsigned short int last_1_var_1_8 = 100; [L120] isInitial = 1 [L121] FCALL initially() [L122] COND TRUE 1 [L123] CALL updateLastVariables() [L112] last_1_var_1_6 = var_1_6 [L113] last_1_var_1_8 = var_1_8 [L123] RET updateLastVariables() [L124] CALL updateVariables() [L83] var_1_2 = __VERIFIER_nondet_uchar() [L84] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_3=128, var_1_4=2, var_1_5=2, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_3=128, var_1_4=2, var_1_5=2, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L84] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_3=128, var_1_4=2, var_1_5=2, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L85] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=128, var_1_4=2, var_1_5=2, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=128, var_1_4=2, var_1_5=2, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L85] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=128, var_1_4=2, var_1_5=2, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L86] var_1_3 = __VERIFIER_nondet_uchar() [L87] CALL assume_abort_if_not(var_1_3 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=127, var_1_4=2, var_1_5=2, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=127, var_1_4=2, var_1_5=2, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L87] RET assume_abort_if_not(var_1_3 >= 127) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=127, var_1_4=2, var_1_5=2, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L88] CALL assume_abort_if_not(var_1_3 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=127, var_1_4=2, var_1_5=2, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=127, var_1_4=2, var_1_5=2, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L88] RET assume_abort_if_not(var_1_3 <= 254) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=127, var_1_4=2, var_1_5=2, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L89] var_1_4 = __VERIFIER_nondet_uchar() [L90] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=127, var_1_5=2, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=127, var_1_5=2, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L90] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=127, var_1_5=2, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L91] CALL assume_abort_if_not(var_1_4 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=127, var_1_4=4, var_1_5=2, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=127, var_1_4=4, var_1_5=2, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L91] RET assume_abort_if_not(var_1_4 <= 127) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=127, var_1_4=4, var_1_5=2, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L92] var_1_5 = __VERIFIER_nondet_uchar() [L93] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=127, var_1_4=4, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=127, var_1_4=4, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L93] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=127, var_1_4=4, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L94] CALL assume_abort_if_not(var_1_5 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=127, var_1_4=4, var_1_5=110, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=127, var_1_4=4, var_1_5=110, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L94] RET assume_abort_if_not(var_1_5 <= 127) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=127, var_1_4=4, var_1_5=110, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L95] var_1_10 = __VERIFIER_nondet_char() [L96] CALL assume_abort_if_not(var_1_10 >= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=127, var_1_4=4, var_1_5=110, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=127, var_1_4=4, var_1_5=110, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L96] RET assume_abort_if_not(var_1_10 >= 63) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=127, var_1_4=4, var_1_5=110, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L97] CALL assume_abort_if_not(var_1_10 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=127, var_1_4=4, var_1_5=110, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=127, var_1_4=4, var_1_5=110, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L97] RET assume_abort_if_not(var_1_10 <= 127) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=127, var_1_4=4, var_1_5=110, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L98] var_1_11 = __VERIFIER_nondet_char() [L99] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=0, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=127, var_1_4=4, var_1_5=110, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=0, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=127, var_1_4=4, var_1_5=110, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L99] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=0, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=127, var_1_4=4, var_1_5=110, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L100] CALL assume_abort_if_not(var_1_11 <= 64) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=0, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=127, var_1_4=4, var_1_5=110, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=0, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=127, var_1_4=4, var_1_5=110, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L100] RET assume_abort_if_not(var_1_11 <= 64) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=0, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=127, var_1_4=4, var_1_5=110, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L101] var_1_12 = __VERIFIER_nondet_char() [L102] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=127, var_1_4=4, var_1_5=110, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=127, var_1_4=4, var_1_5=110, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L102] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=127, var_1_4=4, var_1_5=110, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L103] CALL assume_abort_if_not(var_1_12 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=127, var_1_4=4, var_1_5=110, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=127, var_1_4=4, var_1_5=110, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L103] RET assume_abort_if_not(var_1_12 <= 63) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=127, var_1_4=4, var_1_5=110, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L104] var_1_13 = __VERIFIER_nondet_float() [L105] CALL assume_abort_if_not((var_1_13 >= 4611686.018427382800e+12F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=0, var_1_12=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=127, var_1_4=4, var_1_5=110, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=0, var_1_12=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=127, var_1_4=4, var_1_5=110, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L105] RET assume_abort_if_not((var_1_13 >= 4611686.018427382800e+12F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=0, var_1_12=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=127, var_1_4=4, var_1_5=110, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L106] var_1_14 = __VERIFIER_nondet_float() [L107] CALL assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427382800e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=0, var_1_12=0, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=127, var_1_4=4, var_1_5=110, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=0, var_1_12=0, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=127, var_1_4=4, var_1_5=110, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L107] RET assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427382800e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=0, var_1_12=0, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=127, var_1_4=4, var_1_5=110, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L108] var_1_16 = __VERIFIER_nondet_float() [L109] CALL assume_abort_if_not((var_1_16 >= -461168.6018427382800e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 4611686.018427382800e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=0, var_1_12=0, var_1_15=65/8, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=127, var_1_4=4, var_1_5=110, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=0, var_1_12=0, var_1_15=65/8, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=127, var_1_4=4, var_1_5=110, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L109] RET assume_abort_if_not((var_1_16 >= -461168.6018427382800e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 4611686.018427382800e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=0, var_1_12=0, var_1_15=65/8, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=127, var_1_4=4, var_1_5=110, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L124] RET updateVariables() [L125] CALL step() [L44] COND FALSE !((64 + (var_1_5 / var_1_3)) != (last_1_var_1_8 - (var_1_4 + last_1_var_1_6))) [L47] var_1_6 = 128 VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=0, var_1_12=0, var_1_15=65/8, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=1, var_1_3=127, var_1_4=4, var_1_5=110, var_1_6=128, var_1_8=100, var_1_9=1023/4] [L49] COND TRUE \read(var_1_2) [L50] var_1_1 = (var_1_3 - var_1_4) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=0, var_1_12=0, var_1_15=65/8, var_1_17=-256, var_1_18=63/2, var_1_1=123, var_1_2=1, var_1_3=127, var_1_4=4, var_1_5=110, var_1_6=128, var_1_8=100, var_1_9=1023/4] [L54] COND TRUE ((var_1_10 - var_1_11) - (16 + var_1_12)) != var_1_5 [L55] var_1_9 = (64.8f - (var_1_13 - var_1_14)) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=0, var_1_12=0, var_1_15=65/8, var_1_17=-256, var_1_18=63/2, var_1_1=123, var_1_2=1, var_1_3=127, var_1_4=4, var_1_5=110, var_1_6=128, var_1_8=100] [L59] var_1_15 = (var_1_14 + var_1_16) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=0, var_1_12=0, var_1_17=-256, var_1_18=63/2, var_1_1=123, var_1_2=1, var_1_3=127, var_1_4=4, var_1_5=110, var_1_6=128, var_1_8=100] [L60] COND TRUE \read(var_1_2) [L61] var_1_17 = (var_1_3 + var_1_12) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=0, var_1_12=0, var_1_17=127, var_1_18=63/2, var_1_1=123, var_1_2=1, var_1_3=127, var_1_4=4, var_1_5=110, var_1_6=128, var_1_8=100] [L69] COND FALSE !((var_1_2 || (var_1_16 > var_1_13)) && (var_1_3 < var_1_1)) [L74] var_1_18 = var_1_16 VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=0, var_1_12=0, var_1_16=2, var_1_17=127, var_1_18=2, var_1_1=123, var_1_2=1, var_1_3=127, var_1_4=4, var_1_5=110, var_1_6=128, var_1_8=100] [L76] COND TRUE (var_1_17 + var_1_6) >= (var_1_3 - var_1_5) [L77] var_1_8 = ((((var_1_6) > (var_1_3)) ? (var_1_6) : (var_1_3))) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=0, var_1_12=0, var_1_16=2, var_1_17=127, var_1_18=2, var_1_1=123, var_1_2=1, var_1_3=127, var_1_4=4, var_1_5=110, var_1_6=128, var_1_8=128] [L125] RET step() [L126] CALL, EXPR property() [L116] EXPR ((((((var_1_2 ? (var_1_1 == ((unsigned char) (var_1_3 - var_1_4))) : (var_1_1 == ((unsigned char) (var_1_4 + var_1_5)))) && (((64 + (var_1_5 / var_1_3)) != (last_1_var_1_8 - (var_1_4 + last_1_var_1_6))) ? (var_1_6 == ((unsigned char) var_1_4)) : (var_1_6 == ((unsigned char) 128)))) && (((var_1_17 + var_1_6) >= (var_1_3 - var_1_5)) ? (var_1_8 == ((unsigned short int) ((((var_1_6) > (var_1_3)) ? (var_1_6) : (var_1_3))))) : (var_1_8 == ((unsigned short int) var_1_6)))) && ((((var_1_10 - var_1_11) - (16 + var_1_12)) != var_1_5) ? (var_1_9 == ((float) (64.8f - (var_1_13 - var_1_14)))) : (var_1_9 == ((float) var_1_13)))) && (var_1_15 == ((float) (var_1_14 + var_1_16)))) && (var_1_2 ? (var_1_17 == ((signed short int) (var_1_3 + var_1_12))) : ((var_1_14 == (((((99.8f) < (var_1_16)) ? (99.8f) : (var_1_16))) / ((((255.6f) > (var_1_13)) ? (255.6f) : (var_1_13))))) ? (var_1_17 == ((signed short int) var_1_4)) : (var_1_17 == ((signed short int) (var_1_5 - var_1_3)))))) && (((var_1_2 || (var_1_16 > var_1_13)) && (var_1_3 < var_1_1)) ? (((var_1_11 << var_1_12) > var_1_5) ? (var_1_18 == ((double) var_1_13)) : 1) : (var_1_18 == ((double) var_1_16))) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=0, var_1_12=0, var_1_16=2, var_1_17=127, var_1_18=2, var_1_1=123, var_1_2=1, var_1_3=127, var_1_4=4, var_1_5=110, var_1_6=128, var_1_8=128] [L116-L117] return ((((((var_1_2 ? (var_1_1 == ((unsigned char) (var_1_3 - var_1_4))) : (var_1_1 == ((unsigned char) (var_1_4 + var_1_5)))) && (((64 + (var_1_5 / var_1_3)) != (last_1_var_1_8 - (var_1_4 + last_1_var_1_6))) ? (var_1_6 == ((unsigned char) var_1_4)) : (var_1_6 == ((unsigned char) 128)))) && (((var_1_17 + var_1_6) >= (var_1_3 - var_1_5)) ? (var_1_8 == ((unsigned short int) ((((var_1_6) > (var_1_3)) ? (var_1_6) : (var_1_3))))) : (var_1_8 == ((unsigned short int) var_1_6)))) && ((((var_1_10 - var_1_11) - (16 + var_1_12)) != var_1_5) ? (var_1_9 == ((float) (64.8f - (var_1_13 - var_1_14)))) : (var_1_9 == ((float) var_1_13)))) && (var_1_15 == ((float) (var_1_14 + var_1_16)))) && (var_1_2 ? (var_1_17 == ((signed short int) (var_1_3 + var_1_12))) : ((var_1_14 == (((((99.8f) < (var_1_16)) ? (99.8f) : (var_1_16))) / ((((255.6f) > (var_1_13)) ? (255.6f) : (var_1_13))))) ? (var_1_17 == ((signed short int) var_1_4)) : (var_1_17 == ((signed short int) (var_1_5 - var_1_3)))))) && (((var_1_2 || (var_1_16 > var_1_13)) && (var_1_3 < var_1_1)) ? (((var_1_11 << var_1_12) > var_1_5) ? (var_1_18 == ((double) var_1_13)) : 1) : (var_1_18 == ((double) var_1_16))) ; [L126] RET, EXPR property() [L126] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=0, var_1_12=0, var_1_16=2, var_1_17=127, var_1_18=2, var_1_1=123, var_1_2=1, var_1_3=127, var_1_4=4, var_1_5=110, var_1_6=128, var_1_8=128] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=0, var_1_12=0, var_1_16=2, var_1_17=127, var_1_18=2, var_1_1=123, var_1_2=1, var_1_3=127, var_1_4=4, var_1_5=110, var_1_6=128, var_1_8=128] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 56 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.2s, OverallIterations: 2, TraceHistogramMax: 17, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 326 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 322 mSDsluCounter, 227 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 181 mSDsCounter, 108 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 510 IncrementalHoareTripleChecker+Invalid, 618 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 108 mSolverCounterUnsat, 46 mSDtfsCounter, 510 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 235 GetRequests, 200 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 280 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=90occurred in iteration=1, InterpolantAutomatonStates: 24, 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, 1 MinimizatonAttempts, 9 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 218 NumberOfCodeBlocks, 218 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 216 ConstructedInterpolants, 0 QuantifiedInterpolants, 1223 SizeOfPredicates, 11 NumberOfNonLiveVariables, 264 ConjunctsInSsa, 17 ConjunctsInUnsatCore, 2 InterpolantComputations, 0 PerfectInterpolantSequences, 1016/1088 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 11:59:52,421 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36614f6f-ded8-49ed-92f0-e1cbf299a502/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36614f6f-ded8-49ed-92f0-e1cbf299a502/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36614f6f-ded8-49ed-92f0-e1cbf299a502/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_36614f6f-ded8-49ed-92f0-e1cbf299a502/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36614f6f-ded8-49ed-92f0-e1cbf299a502/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-20.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36614f6f-ded8-49ed-92f0-e1cbf299a502/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_36614f6f-ded8-49ed-92f0-e1cbf299a502/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 dc962406cce9cc0f342134c6a6c6d70f6c64ebeaba5b788efed40723bc270a1e --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 11:59:55,103 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 11:59:55,241 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36614f6f-ded8-49ed-92f0-e1cbf299a502/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-26 11:59:55,249 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 11:59:55,251 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 11:59:55,298 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 11:59:55,299 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 11:59:55,300 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 11:59:55,301 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 11:59:55,306 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 11:59:55,307 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 11:59:55,307 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 11:59:55,308 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 11:59:55,310 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 11:59:55,310 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 11:59:55,311 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 11:59:55,312 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 11:59:55,312 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 11:59:55,313 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 11:59:55,313 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 11:59:55,314 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 11:59:55,314 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 11:59:55,315 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 11:59:55,315 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-26 11:59:55,316 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-26 11:59:55,316 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-26 11:59:55,317 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 11:59:55,317 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 11:59:55,318 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 11:59:55,318 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 11:59:55,320 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 11:59:55,320 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 11:59:55,320 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 11:59:55,321 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:59:55,321 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 11:59:55,321 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 11:59:55,322 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 11:59:55,322 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-26 11:59:55,323 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-26 11:59:55,323 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 11:59:55,323 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 11:59:55,324 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 11:59:55,324 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 11:59:55,324 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 11:59:55,325 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-26 11:59:55,325 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_36614f6f-ded8-49ed-92f0-e1cbf299a502/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36614f6f-ded8-49ed-92f0-e1cbf299a502/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dc962406cce9cc0f342134c6a6c6d70f6c64ebeaba5b788efed40723bc270a1e [2023-11-26 11:59:55,718 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 11:59:55,754 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 11:59:55,757 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 11:59:55,760 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 11:59:55,760 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 11:59:55,763 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36614f6f-ded8-49ed-92f0-e1cbf299a502/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-20.i [2023-11-26 11:59:58,924 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 11:59:59,219 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 11:59:59,219 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36614f6f-ded8-49ed-92f0-e1cbf299a502/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-20.i [2023-11-26 11:59:59,229 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36614f6f-ded8-49ed-92f0-e1cbf299a502/bin/uautomizer-verify-VRDe98Ueme/data/73158f54b/7d4ffeb2c1db4b019ca41e75e12a646b/FLAG62cf58858 [2023-11-26 11:59:59,244 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36614f6f-ded8-49ed-92f0-e1cbf299a502/bin/uautomizer-verify-VRDe98Ueme/data/73158f54b/7d4ffeb2c1db4b019ca41e75e12a646b [2023-11-26 11:59:59,247 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 11:59:59,249 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 11:59:59,250 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 11:59:59,251 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 11:59:59,257 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 11:59:59,258 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:59:59" (1/1) ... [2023-11-26 11:59:59,259 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a444c2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:59, skipping insertion in model container [2023-11-26 11:59:59,259 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:59:59" (1/1) ... [2023-11-26 11:59:59,291 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 11:59:59,510 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_36614f6f-ded8-49ed-92f0-e1cbf299a502/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-20.i[919,932] [2023-11-26 11:59:59,606 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:59:59,641 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 11:59:59,662 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_36614f6f-ded8-49ed-92f0-e1cbf299a502/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-20.i[919,932] [2023-11-26 11:59:59,714 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:59:59,744 INFO L206 MainTranslator]: Completed translation [2023-11-26 11:59:59,745 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:59 WrapperNode [2023-11-26 11:59:59,745 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 11:59:59,756 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 11:59:59,757 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 11:59:59,757 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 11:59:59,765 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:59" (1/1) ... [2023-11-26 11:59:59,792 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:59" (1/1) ... [2023-11-26 11:59:59,855 INFO L138 Inliner]: procedures = 27, calls = 30, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 124 [2023-11-26 11:59:59,858 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 11:59:59,859 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 11:59:59,859 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 11:59:59,859 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 11:59:59,871 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:59" (1/1) ... [2023-11-26 11:59:59,872 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:59" (1/1) ... [2023-11-26 11:59:59,889 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:59" (1/1) ... [2023-11-26 11:59:59,919 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 11:59:59,921 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:59" (1/1) ... [2023-11-26 11:59:59,922 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:59" (1/1) ... [2023-11-26 11:59:59,933 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:59" (1/1) ... [2023-11-26 11:59:59,946 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:59" (1/1) ... [2023-11-26 11:59:59,955 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:59" (1/1) ... [2023-11-26 11:59:59,958 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:59" (1/1) ... [2023-11-26 11:59:59,963 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 11:59:59,969 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 11:59:59,970 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 11:59:59,971 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 11:59:59,972 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:59" (1/1) ... [2023-11-26 11:59:59,979 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:59:59,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36614f6f-ded8-49ed-92f0-e1cbf299a502/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:00:00,012 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36614f6f-ded8-49ed-92f0-e1cbf299a502/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 12:00:00,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36614f6f-ded8-49ed-92f0-e1cbf299a502/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 12:00:00,060 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 12:00:00,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-26 12:00:00,061 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-26 12:00:00,061 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-26 12:00:00,063 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 12:00:00,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 12:00:00,198 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 12:00:00,200 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 12:00:07,238 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 12:00:07,353 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 12:00:07,353 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-26 12:00:07,354 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:00:07 BoogieIcfgContainer [2023-11-26 12:00:07,354 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 12:00:07,357 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 12:00:07,357 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 12:00:07,360 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 12:00:07,361 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 11:59:59" (1/3) ... [2023-11-26 12:00:07,362 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e19ca24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:00:07, skipping insertion in model container [2023-11-26 12:00:07,362 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:59" (2/3) ... [2023-11-26 12:00:07,365 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e19ca24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:00:07, skipping insertion in model container [2023-11-26 12:00:07,365 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:00:07" (3/3) ... [2023-11-26 12:00:07,366 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_dependencies_file-20.i [2023-11-26 12:00:07,386 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 12:00:07,387 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-26 12:00:07,438 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 12:00:07,445 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;@1bc8d0b8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 12:00:07,446 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-26 12:00:07,450 INFO L276 IsEmpty]: Start isEmpty. Operand has 49 states, 29 states have (on average 1.4482758620689655) internal successors, (42), 30 states have internal predecessors, (42), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-11-26 12:00:07,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2023-11-26 12:00:07,487 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:00:07,487 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:00:07,488 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:00:07,495 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:00:07,495 INFO L85 PathProgramCache]: Analyzing trace with hash -733502520, now seen corresponding path program 1 times [2023-11-26 12:00:07,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 12:00:07,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1760089807] [2023-11-26 12:00:07,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:00:07,515 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 12:00:07,515 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36614f6f-ded8-49ed-92f0-e1cbf299a502/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 12:00:07,521 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36614f6f-ded8-49ed-92f0-e1cbf299a502/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 12:00:07,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36614f6f-ded8-49ed-92f0-e1cbf299a502/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 12:00:08,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:00:08,158 INFO L262 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-26 12:00:08,174 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:00:08,243 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 252 proven. 0 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked. [2023-11-26 12:00:08,249 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 12:00:08,250 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-26 12:00:08,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1760089807] [2023-11-26 12:00:08,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1760089807] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:00:08,252 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:00:08,253 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 12:00:08,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2021155908] [2023-11-26 12:00:08,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:00:08,264 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-26 12:00:08,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-26 12:00:08,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-26 12:00:08,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 12:00:08,307 INFO L87 Difference]: Start difference. First operand has 49 states, 29 states have (on average 1.4482758620689655) internal successors, (42), 30 states have internal predecessors, (42), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) Second operand has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-11-26 12:00:11,964 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.61s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-26 12:00:11,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:00:11,965 INFO L93 Difference]: Finished difference Result 95 states and 167 transitions. [2023-11-26 12:00:12,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-26 12:00:12,026 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 107 [2023-11-26 12:00:12,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:00:12,033 INFO L225 Difference]: With dead ends: 95 [2023-11-26 12:00:12,033 INFO L226 Difference]: Without dead ends: 47 [2023-11-26 12:00:12,037 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 106 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 12:00:12,041 INFO L413 NwaCegarLoop]: 68 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2023-11-26 12:00:12,042 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 68 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2023-11-26 12:00:12,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2023-11-26 12:00:12,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2023-11-26 12:00:12,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 28 states have (on average 1.3214285714285714) internal successors, (37), 28 states have internal predecessors, (37), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-11-26 12:00:12,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 71 transitions. [2023-11-26 12:00:12,098 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 71 transitions. Word has length 107 [2023-11-26 12:00:12,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:00:12,099 INFO L495 AbstractCegarLoop]: Abstraction has 47 states and 71 transitions. [2023-11-26 12:00:12,099 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-11-26 12:00:12,099 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 71 transitions. [2023-11-26 12:00:12,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2023-11-26 12:00:12,102 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:00:12,102 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:00:12,111 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36614f6f-ded8-49ed-92f0-e1cbf299a502/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 12:00:12,303 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36614f6f-ded8-49ed-92f0-e1cbf299a502/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 12:00:12,303 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:00:12,304 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:00:12,304 INFO L85 PathProgramCache]: Analyzing trace with hash 2035013826, now seen corresponding path program 1 times [2023-11-26 12:00:12,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 12:00:12,305 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1181094169] [2023-11-26 12:00:12,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:00:12,306 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 12:00:12,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36614f6f-ded8-49ed-92f0-e1cbf299a502/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 12:00:12,308 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36614f6f-ded8-49ed-92f0-e1cbf299a502/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 12:00:12,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36614f6f-ded8-49ed-92f0-e1cbf299a502/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 12:00:12,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:00:12,965 INFO L262 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 45 conjunts are in the unsatisfiable core [2023-11-26 12:00:12,996 INFO L285 TraceCheckSpWp]: Computing forward predicates...