./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-84.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_c70128c4-50a5-478d-ab6e-81e58996642a/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70128c4-50a5-478d-ab6e-81e58996642a/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_c70128c4-50a5-478d-ab6e-81e58996642a/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70128c4-50a5-478d-ab6e-81e58996642a/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-84.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70128c4-50a5-478d-ab6e-81e58996642a/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_c70128c4-50a5-478d-ab6e-81e58996642a/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 7aa7b40afd745d6b11fb7961b18fb49ff63e465273ad6411781c67404da0d0d9 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 10:49:02,290 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 10:49:02,393 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70128c4-50a5-478d-ab6e-81e58996642a/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-26 10:49:02,399 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 10:49:02,400 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 10:49:02,426 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 10:49:02,426 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 10:49:02,427 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 10:49:02,428 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 10:49:02,428 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 10:49:02,429 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 10:49:02,430 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 10:49:02,431 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 10:49:02,431 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 10:49:02,432 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 10:49:02,433 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 10:49:02,433 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 10:49:02,434 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 10:49:02,434 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 10:49:02,435 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 10:49:02,436 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 10:49:02,436 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 10:49:02,437 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 10:49:02,437 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 10:49:02,438 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 10:49:02,439 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 10:49:02,439 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 10:49:02,440 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 10:49:02,441 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 10:49:02,441 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 10:49:02,442 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 10:49:02,442 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 10:49:02,443 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 10:49:02,444 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 10:49:02,444 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 10:49:02,445 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 10:49:02,445 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 10:49:02,446 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 10:49:02,446 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 10:49:02,447 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 10:49:02,447 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 10:49:02,449 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 10:49:02,450 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_c70128c4-50a5-478d-ab6e-81e58996642a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70128c4-50a5-478d-ab6e-81e58996642a/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7aa7b40afd745d6b11fb7961b18fb49ff63e465273ad6411781c67404da0d0d9 [2023-11-26 10:49:02,777 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 10:49:02,807 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 10:49:02,809 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 10:49:02,811 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 10:49:02,811 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 10:49:02,813 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70128c4-50a5-478d-ab6e-81e58996642a/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-84.i [2023-11-26 10:49:05,895 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 10:49:06,086 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 10:49:06,087 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70128c4-50a5-478d-ab6e-81e58996642a/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-84.i [2023-11-26 10:49:06,096 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70128c4-50a5-478d-ab6e-81e58996642a/bin/uautomizer-verify-VRDe98Ueme/data/8370becbc/e6265d268a044b5ab54f765722135ae0/FLAG49607478c [2023-11-26 10:49:06,111 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70128c4-50a5-478d-ab6e-81e58996642a/bin/uautomizer-verify-VRDe98Ueme/data/8370becbc/e6265d268a044b5ab54f765722135ae0 [2023-11-26 10:49:06,113 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 10:49:06,115 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 10:49:06,116 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 10:49:06,117 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 10:49:06,122 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 10:49:06,123 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:49:06" (1/1) ... [2023-11-26 10:49:06,124 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18cc92c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:49:06, skipping insertion in model container [2023-11-26 10:49:06,124 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:49:06" (1/1) ... [2023-11-26 10:49:06,166 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 10:49:06,336 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_c70128c4-50a5-478d-ab6e-81e58996642a/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-84.i[913,926] [2023-11-26 10:49:06,384 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:49:06,396 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 10:49:06,411 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_c70128c4-50a5-478d-ab6e-81e58996642a/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-84.i[913,926] [2023-11-26 10:49:06,440 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:49:06,460 INFO L206 MainTranslator]: Completed translation [2023-11-26 10:49:06,460 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:49:06 WrapperNode [2023-11-26 10:49:06,460 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 10:49:06,462 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 10:49:06,462 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 10:49:06,462 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 10:49:06,470 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:49:06" (1/1) ... [2023-11-26 10:49:06,481 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:49:06" (1/1) ... [2023-11-26 10:49:06,534 INFO L138 Inliner]: procedures = 26, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 117 [2023-11-26 10:49:06,535 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 10:49:06,536 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 10:49:06,536 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 10:49:06,536 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 10:49:06,546 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:49:06" (1/1) ... [2023-11-26 10:49:06,546 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:49:06" (1/1) ... [2023-11-26 10:49:06,550 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:49:06" (1/1) ... [2023-11-26 10:49:06,569 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-11-26 10:49:06,569 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:49:06" (1/1) ... [2023-11-26 10:49:06,570 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:49:06" (1/1) ... [2023-11-26 10:49:06,581 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:49:06" (1/1) ... [2023-11-26 10:49:06,584 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:49:06" (1/1) ... [2023-11-26 10:49:06,588 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:49:06" (1/1) ... [2023-11-26 10:49:06,590 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:49:06" (1/1) ... [2023-11-26 10:49:06,595 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 10:49:06,596 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 10:49:06,597 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 10:49:06,597 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 10:49:06,598 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:49:06" (1/1) ... [2023-11-26 10:49:06,604 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 10:49:06,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70128c4-50a5-478d-ab6e-81e58996642a/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:49:06,652 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70128c4-50a5-478d-ab6e-81e58996642a/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 10:49:06,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70128c4-50a5-478d-ab6e-81e58996642a/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 10:49:06,698 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 10:49:06,698 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-26 10:49:06,699 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-26 10:49:06,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-26 10:49:06,700 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 10:49:06,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 10:49:06,784 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 10:49:06,786 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 10:49:07,182 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 10:49:07,244 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 10:49:07,244 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-26 10:49:07,245 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:49:07 BoogieIcfgContainer [2023-11-26 10:49:07,245 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 10:49:07,248 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 10:49:07,248 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 10:49:07,251 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 10:49:07,251 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 10:49:06" (1/3) ... [2023-11-26 10:49:07,252 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@508e21d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 10:49:07, skipping insertion in model container [2023-11-26 10:49:07,252 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:49:06" (2/3) ... [2023-11-26 10:49:07,253 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@508e21d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 10:49:07, skipping insertion in model container [2023-11-26 10:49:07,253 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:49:07" (3/3) ... [2023-11-26 10:49:07,254 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-84.i [2023-11-26 10:49:07,279 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 10:49:07,279 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-26 10:49:07,330 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 10:49:07,337 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;@1995a64c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 10:49:07,338 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-26 10:49:07,342 INFO L276 IsEmpty]: Start isEmpty. Operand has 49 states, 26 states have (on average 1.3846153846153846) internal successors, (36), 27 states have internal predecessors, (36), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-26 10:49:07,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2023-11-26 10:49:07,358 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:49:07,359 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:49:07,360 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:49:07,366 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:49:07,366 INFO L85 PathProgramCache]: Analyzing trace with hash 1398631484, now seen corresponding path program 1 times [2023-11-26 10:49:07,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:49:07,375 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305248559] [2023-11-26 10:49:07,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:49:07,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:49:07,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:49:07,637 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:49:07,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305248559] [2023-11-26 10:49:07,638 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-26 10:49:07,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [486029897] [2023-11-26 10:49:07,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:49:07,640 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:49:07,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70128c4-50a5-478d-ab6e-81e58996642a/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:49:07,647 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70128c4-50a5-478d-ab6e-81e58996642a/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 10:49:07,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70128c4-50a5-478d-ab6e-81e58996642a/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-26 10:49:07,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:49:07,862 INFO L262 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-26 10:49:07,874 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:49:07,923 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 722 trivial. 0 not checked. [2023-11-26 10:49:07,923 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 10:49:07,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [486029897] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:49:07,924 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:49:07,925 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 10:49:07,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884271191] [2023-11-26 10:49:07,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:49:07,933 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-26 10:49:07,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:49:07,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-26 10:49:07,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 10:49:07,966 INFO L87 Difference]: Start difference. First operand has 49 states, 26 states have (on average 1.3846153846153846) internal successors, (36), 27 states have internal predecessors, (36), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2023-11-26 10:49:08,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:49:08,025 INFO L93 Difference]: Finished difference Result 95 states and 170 transitions. [2023-11-26 10:49:08,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-26 10:49:08,028 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) Word has length 120 [2023-11-26 10:49:08,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:49:08,038 INFO L225 Difference]: With dead ends: 95 [2023-11-26 10:49:08,038 INFO L226 Difference]: Without dead ends: 47 [2023-11-26 10:49:08,043 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 10:49:08,048 INFO L413 NwaCegarLoop]: 68 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 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, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 10:49:08,050 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 68 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 10:49:08,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2023-11-26 10:49:08,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2023-11-26 10:49:08,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 25 states have (on average 1.24) internal successors, (31), 25 states have internal predecessors, (31), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-26 10:49:08,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 71 transitions. [2023-11-26 10:49:08,111 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 71 transitions. Word has length 120 [2023-11-26 10:49:08,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:49:08,112 INFO L495 AbstractCegarLoop]: Abstraction has 47 states and 71 transitions. [2023-11-26 10:49:08,112 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2023-11-26 10:49:08,113 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 71 transitions. [2023-11-26 10:49:08,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2023-11-26 10:49:08,119 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:49:08,119 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:49:08,131 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70128c4-50a5-478d-ab6e-81e58996642a/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-26 10:49:08,326 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70128c4-50a5-478d-ab6e-81e58996642a/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-26 10:49:08,326 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:49:08,327 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:49:08,327 INFO L85 PathProgramCache]: Analyzing trace with hash 534550204, now seen corresponding path program 1 times [2023-11-26 10:49:08,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:49:08,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674012338] [2023-11-26 10:49:08,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:49:08,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:49:08,395 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 10:49:08,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [24318086] [2023-11-26 10:49:08,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:49:08,396 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:49:08,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70128c4-50a5-478d-ab6e-81e58996642a/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:49:08,398 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70128c4-50a5-478d-ab6e-81e58996642a/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 10:49:08,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70128c4-50a5-478d-ab6e-81e58996642a/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-26 10:49:09,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:49:09,133 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:49:09,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:49:09,305 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:49:09,306 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-26 10:49:09,307 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-26 10:49:09,320 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70128c4-50a5-478d-ab6e-81e58996642a/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-26 10:49:09,516 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70128c4-50a5-478d-ab6e-81e58996642a/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:49:09,519 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-26 10:49:09,523 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-26 10:49:09,663 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 10:49:09 BoogieIcfgContainer [2023-11-26 10:49:09,664 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-26 10:49:09,665 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 10:49:09,665 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 10:49:09,665 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 10:49:09,666 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:49:07" (3/4) ... [2023-11-26 10:49:09,668 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-26 10:49:09,670 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 10:49:09,671 INFO L158 Benchmark]: Toolchain (without parser) took 3555.70ms. Allocated memory was 140.5MB in the beginning and 182.5MB in the end (delta: 41.9MB). Free memory was 94.4MB in the beginning and 140.7MB in the end (delta: -46.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 10:49:09,671 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 140.5MB. Free memory is still 114.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 10:49:09,672 INFO L158 Benchmark]: CACSL2BoogieTranslator took 344.54ms. Allocated memory is still 140.5MB. Free memory was 93.9MB in the beginning and 81.0MB in the end (delta: 12.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-26 10:49:09,672 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.37ms. Allocated memory is still 140.5MB. Free memory was 81.0MB in the beginning and 77.6MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-26 10:49:09,673 INFO L158 Benchmark]: Boogie Preprocessor took 60.13ms. Allocated memory is still 140.5MB. Free memory was 77.6MB in the beginning and 71.8MB in the end (delta: 5.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-26 10:49:09,674 INFO L158 Benchmark]: RCFGBuilder took 648.38ms. Allocated memory was 140.5MB in the beginning and 182.5MB in the end (delta: 41.9MB). Free memory was 71.8MB in the beginning and 140.9MB in the end (delta: -69.1MB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB. [2023-11-26 10:49:09,675 INFO L158 Benchmark]: TraceAbstraction took 2416.44ms. Allocated memory is still 182.5MB. Free memory was 139.9MB in the beginning and 141.8MB in the end (delta: -1.9MB). Peak memory consumption was 63.1MB. Max. memory is 16.1GB. [2023-11-26 10:49:09,675 INFO L158 Benchmark]: Witness Printer took 5.21ms. Allocated memory is still 182.5MB. Free memory was 141.8MB in the beginning and 140.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 10:49:09,679 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 140.5MB. Free memory is still 114.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 344.54ms. Allocated memory is still 140.5MB. Free memory was 93.9MB in the beginning and 81.0MB in the end (delta: 12.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.37ms. Allocated memory is still 140.5MB. Free memory was 81.0MB in the beginning and 77.6MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.13ms. Allocated memory is still 140.5MB. Free memory was 77.6MB in the beginning and 71.8MB in the end (delta: 5.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 648.38ms. Allocated memory was 140.5MB in the beginning and 182.5MB in the end (delta: 41.9MB). Free memory was 71.8MB in the beginning and 140.9MB in the end (delta: -69.1MB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2416.44ms. Allocated memory is still 182.5MB. Free memory was 139.9MB in the beginning and 141.8MB in the end (delta: -1.9MB). Peak memory consumption was 63.1MB. Max. memory is 16.1GB. * Witness Printer took 5.21ms. Allocated memory is still 182.5MB. Free memory was 141.8MB in the beginning and 140.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 100. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 128; [L23] unsigned char var_1_4 = 25; [L24] unsigned char var_1_5 = 64; [L25] unsigned char var_1_6 = 8; [L26] unsigned char var_1_7 = 0; [L27] unsigned short int var_1_8 = 64; [L28] unsigned char var_1_9 = 1; [L29] unsigned short int var_1_10 = 27843; [L30] signed short int var_1_11 = -4; [L31] unsigned char var_1_13 = 128; [L32] unsigned char var_1_14 = 5; [L33] signed short int var_1_15 = 28020; [L34] signed short int var_1_16 = 128; [L35] float var_1_17 = 10000000000000.926; [L36] float var_1_18 = 1000000.6; [L37] unsigned short int last_1_var_1_8 = 64; [L38] signed short int last_1_var_1_11 = -4; [L104] isInitial = 1 [L105] FCALL initially() [L106] COND TRUE 1 [L107] CALL updateLastVariables() [L96] last_1_var_1_8 = var_1_8 [L97] last_1_var_1_11 = var_1_11 [L107] RET updateLastVariables() [L108] CALL updateVariables() [L64] var_1_4 = __VERIFIER_nondet_uchar() [L65] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=27843, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_5=64, var_1_6=8, var_1_7=0, var_1_8=64, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=27843, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_5=64, var_1_6=8, var_1_7=0, var_1_8=64, var_1_9=1] [L65] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=27843, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_5=64, var_1_6=8, var_1_7=0, var_1_8=64, var_1_9=1] [L66] CALL assume_abort_if_not(var_1_4 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=27843, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=24, var_1_5=64, var_1_6=8, var_1_7=0, var_1_8=64, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=27843, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=24, var_1_5=64, var_1_6=8, var_1_7=0, var_1_8=64, var_1_9=1] [L66] RET assume_abort_if_not(var_1_4 <= 127) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=27843, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=24, var_1_5=64, var_1_6=8, var_1_7=0, var_1_8=64, var_1_9=1] [L67] var_1_5 = __VERIFIER_nondet_uchar() [L68] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=27843, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=24, var_1_6=8, var_1_7=0, var_1_8=64, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=27843, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=24, var_1_6=8, var_1_7=0, var_1_8=64, var_1_9=1] [L68] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=27843, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=24, var_1_6=8, var_1_7=0, var_1_8=64, var_1_9=1] [L69] CALL assume_abort_if_not(var_1_5 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=27843, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=24, var_1_5=0, var_1_6=8, var_1_7=0, var_1_8=64, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=27843, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=24, var_1_5=0, var_1_6=8, var_1_7=0, var_1_8=64, var_1_9=1] [L69] RET assume_abort_if_not(var_1_5 <= 127) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=27843, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=24, var_1_5=0, var_1_6=8, var_1_7=0, var_1_8=64, var_1_9=1] [L70] var_1_6 = __VERIFIER_nondet_uchar() [L71] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=27843, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=24, var_1_5=0, var_1_7=0, var_1_8=64, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=27843, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=24, var_1_5=0, var_1_7=0, var_1_8=64, var_1_9=1] [L71] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=27843, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=24, var_1_5=0, var_1_7=0, var_1_8=64, var_1_9=1] [L72] CALL assume_abort_if_not(var_1_6 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=27843, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=24, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=64, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=27843, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=24, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=64, var_1_9=1] [L72] RET assume_abort_if_not(var_1_6 <= 127) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=27843, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=24, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=64, var_1_9=1] [L73] var_1_7 = __VERIFIER_nondet_uchar() [L74] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=27843, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=24, var_1_5=0, var_1_6=1, var_1_8=64, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=27843, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=24, var_1_5=0, var_1_6=1, var_1_8=64, var_1_9=1] [L74] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=27843, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=24, var_1_5=0, var_1_6=1, var_1_8=64, var_1_9=1] [L75] CALL assume_abort_if_not(var_1_7 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=27843, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=24, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=64, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=27843, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=24, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=64, var_1_9=1] [L75] RET assume_abort_if_not(var_1_7 <= 127) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=27843, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=24, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=64, var_1_9=1] [L76] var_1_9 = __VERIFIER_nondet_uchar() [L77] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=27843, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=24, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=27843, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=24, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=64] [L77] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=27843, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=24, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=64] [L78] CALL assume_abort_if_not(var_1_9 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=27843, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=24, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=64, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=27843, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=24, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=64, var_1_9=1] [L78] RET assume_abort_if_not(var_1_9 <= 1) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=27843, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=24, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=64, var_1_9=1] [L79] var_1_10 = __VERIFIER_nondet_ushort() [L80] CALL assume_abort_if_not(var_1_10 >= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=16383, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=24, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=64, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=16383, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=24, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=64, var_1_9=1] [L80] RET assume_abort_if_not(var_1_10 >= 16383) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=16383, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=24, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=64, var_1_9=1] [L81] CALL assume_abort_if_not(var_1_10 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=16383, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=24, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=64, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=16383, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=24, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=64, var_1_9=1] [L81] RET assume_abort_if_not(var_1_10 <= 32767) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=16383, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=24, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=64, var_1_9=1] [L82] var_1_13 = __VERIFIER_nondet_uchar() [L83] CALL assume_abort_if_not(var_1_13 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=16383, var_1_11=-4, var_1_13=127, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=24, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=64, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=16383, var_1_11=-4, var_1_13=127, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=24, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=64, var_1_9=1] [L83] RET assume_abort_if_not(var_1_13 >= 127) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=16383, var_1_11=-4, var_1_13=127, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=24, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=64, var_1_9=1] [L84] CALL assume_abort_if_not(var_1_13 <= 255) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=16383, var_1_11=-4, var_1_13=127, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=24, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=64, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=16383, var_1_11=-4, var_1_13=127, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=24, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=64, var_1_9=1] [L84] RET assume_abort_if_not(var_1_13 <= 255) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=16383, var_1_11=-4, var_1_13=127, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=24, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=64, var_1_9=1] [L85] var_1_14 = __VERIFIER_nondet_uchar() [L86] CALL assume_abort_if_not(var_1_14 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=16383, var_1_11=-4, var_1_13=127, var_1_14=123, var_1_15=28020, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=24, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=64, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=16383, var_1_11=-4, var_1_13=127, var_1_14=123, var_1_15=28020, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=24, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=64, var_1_9=1] [L86] RET assume_abort_if_not(var_1_14 >= 1) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=16383, var_1_11=-4, var_1_13=127, var_1_14=123, var_1_15=28020, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=24, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=64, var_1_9=1] [L87] CALL assume_abort_if_not(var_1_14 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=16383, var_1_11=-4, var_1_13=127, var_1_14=123, var_1_15=28020, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=24, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=64, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=16383, var_1_11=-4, var_1_13=127, var_1_14=123, var_1_15=28020, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=24, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=64, var_1_9=1] [L87] RET assume_abort_if_not(var_1_14 <= 126) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=16383, var_1_11=-4, var_1_13=127, var_1_14=123, var_1_15=28020, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=24, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=64, var_1_9=1] [L88] CALL assume_abort_if_not(var_1_14 != 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=16383, var_1_11=-4, var_1_13=127, var_1_14=123, var_1_15=28020, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=24, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=64, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=16383, var_1_11=-4, var_1_13=127, var_1_14=123, var_1_15=28020, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=24, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=64, var_1_9=1] [L88] RET assume_abort_if_not(var_1_14 != 127) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=16383, var_1_11=-4, var_1_13=127, var_1_14=123, var_1_15=28020, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=24, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=64, var_1_9=1] [L89] var_1_15 = __VERIFIER_nondet_short() [L90] CALL assume_abort_if_not(var_1_15 >= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=16383, var_1_11=-4, var_1_13=127, var_1_14=123, var_1_15=32766, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=24, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=64, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=16383, var_1_11=-4, var_1_13=127, var_1_14=123, var_1_15=32766, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=24, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=64, var_1_9=1] [L90] RET assume_abort_if_not(var_1_15 >= 16383) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=16383, var_1_11=-4, var_1_13=127, var_1_14=123, var_1_15=32766, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=24, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=64, var_1_9=1] [L91] CALL assume_abort_if_not(var_1_15 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=16383, var_1_11=-4, var_1_13=127, var_1_14=123, var_1_15=32766, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=24, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=64, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=16383, var_1_11=-4, var_1_13=127, var_1_14=123, var_1_15=32766, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=24, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=64, var_1_9=1] [L91] RET assume_abort_if_not(var_1_15 <= 32766) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=16383, var_1_11=-4, var_1_13=127, var_1_14=123, var_1_15=32766, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=24, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=64, var_1_9=1] [L92] var_1_18 = __VERIFIER_nondet_float() [L93] CALL assume_abort_if_not((var_1_18 >= -922337.2036854765600e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=16383, var_1_11=-4, var_1_13=127, var_1_14=123, var_1_15=32766, var_1_16=128, var_1_17=5000000000000463/500, var_1_1=128, var_1_4=24, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=64, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=16383, var_1_11=-4, var_1_13=127, var_1_14=123, var_1_15=32766, var_1_16=128, var_1_17=5000000000000463/500, var_1_1=128, var_1_4=24, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=64, var_1_9=1] [L93] RET assume_abort_if_not((var_1_18 >= -922337.2036854765600e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=16383, var_1_11=-4, var_1_13=127, var_1_14=123, var_1_15=32766, var_1_16=128, var_1_17=5000000000000463/500, var_1_1=128, var_1_4=24, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=64, var_1_9=1] [L108] RET updateVariables() [L109] CALL step() [L42] signed long int stepLocal_0 = last_1_var_1_11; VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, stepLocal_0=-4, var_1_10=16383, var_1_11=-4, var_1_13=127, var_1_14=123, var_1_15=32766, var_1_16=128, var_1_17=5000000000000463/500, var_1_1=128, var_1_4=24, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=64, var_1_9=1] [L43] COND TRUE stepLocal_0 != last_1_var_1_8 [L44] var_1_1 = (var_1_4 + ((((((((var_1_5) < (var_1_6)) ? (var_1_5) : (var_1_6)))) > (var_1_7)) ? (((((var_1_5) < (var_1_6)) ? (var_1_5) : (var_1_6)))) : (var_1_7)))) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, stepLocal_0=-4, var_1_10=16383, var_1_11=-4, var_1_13=127, var_1_14=123, var_1_15=32766, var_1_16=128, var_1_17=5000000000000463/500, var_1_1=24, var_1_4=24, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=64, var_1_9=1] [L48] COND TRUE \read(var_1_9) [L49] var_1_8 = ((var_1_10 + 23103) - (32 + var_1_6)) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, stepLocal_0=-4, var_1_10=16383, var_1_11=-4, var_1_13=127, var_1_14=123, var_1_15=32766, var_1_16=128, var_1_17=5000000000000463/500, var_1_1=24, var_1_4=24, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=39453, var_1_9=1] [L51] COND TRUE ! (var_1_5 > var_1_10) [L52] var_1_16 = (32 - 8) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, stepLocal_0=-4, var_1_10=16383, var_1_11=-4, var_1_13=127, var_1_14=123, var_1_15=32766, var_1_16=24, var_1_17=5000000000000463/500, var_1_1=24, var_1_4=24, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=39453, var_1_9=1] [L56] var_1_17 = var_1_18 VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, stepLocal_0=-4, var_1_10=16383, var_1_11=-4, var_1_13=127, var_1_14=123, var_1_15=32766, var_1_16=24, var_1_17=2, var_1_18=2, var_1_1=24, var_1_4=24, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=39453, var_1_9=1] [L57] COND FALSE !(var_1_1 < var_1_16) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, stepLocal_0=-4, var_1_10=16383, var_1_11=-4, var_1_13=127, var_1_14=123, var_1_15=32766, var_1_16=24, var_1_17=2, var_1_18=2, var_1_1=24, var_1_4=24, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=39453, var_1_9=1] [L109] RET step() [L110] CALL, EXPR property() [L100-L101] return (((((last_1_var_1_11 != last_1_var_1_8) ? (var_1_1 == ((unsigned char) (var_1_4 + ((((((((var_1_5) < (var_1_6)) ? (var_1_5) : (var_1_6)))) > (var_1_7)) ? (((((var_1_5) < (var_1_6)) ? (var_1_5) : (var_1_6)))) : (var_1_7)))))) : (var_1_1 == ((unsigned char) var_1_4))) && (var_1_9 ? (var_1_8 == ((unsigned short int) ((var_1_10 + 23103) - (32 + var_1_6)))) : 1)) && ((var_1_1 < var_1_16) ? ((((- 8) / (var_1_13 - var_1_14)) >= var_1_6) ? (var_1_11 == ((signed short int) (var_1_16 - (var_1_15 - var_1_14)))) : 1) : 1)) && ((! (var_1_5 > var_1_10)) ? (var_1_16 == ((signed short int) (32 - 8))) : (var_1_16 == ((signed short int) (var_1_13 - var_1_4))))) && (var_1_17 == ((float) var_1_18)) ; [L110] RET, EXPR property() [L110] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=16383, var_1_11=-4, var_1_13=127, var_1_14=123, var_1_15=32766, var_1_16=24, var_1_17=2, var_1_18=2, var_1_1=24, var_1_4=24, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=39453, var_1_9=1] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=16383, var_1_11=-4, var_1_13=127, var_1_14=123, var_1_15=32766, var_1_16=24, var_1_17=2, var_1_18=2, var_1_1=24, var_1_4=24, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=39453, var_1_9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 49 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.2s, OverallIterations: 2, TraceHistogramMax: 20, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 68 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 68 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 119 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=49occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 360 NumberOfCodeBlocks, 360 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 119 ConstructedInterpolants, 0 QuantifiedInterpolants, 119 SizeOfPredicates, 0 NumberOfNonLiveVariables, 278 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 760/760 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-26 10:49:09,711 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70128c4-50a5-478d-ab6e-81e58996642a/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70128c4-50a5-478d-ab6e-81e58996642a/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70128c4-50a5-478d-ab6e-81e58996642a/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_c70128c4-50a5-478d-ab6e-81e58996642a/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70128c4-50a5-478d-ab6e-81e58996642a/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-84.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70128c4-50a5-478d-ab6e-81e58996642a/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_c70128c4-50a5-478d-ab6e-81e58996642a/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 7aa7b40afd745d6b11fb7961b18fb49ff63e465273ad6411781c67404da0d0d9 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 10:49:12,492 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 10:49:12,628 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70128c4-50a5-478d-ab6e-81e58996642a/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-26 10:49:12,637 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 10:49:12,638 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 10:49:12,689 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 10:49:12,689 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 10:49:12,690 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 10:49:12,691 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 10:49:12,696 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 10:49:12,697 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 10:49:12,697 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 10:49:12,698 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 10:49:12,700 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 10:49:12,700 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 10:49:12,701 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 10:49:12,702 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 10:49:12,702 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 10:49:12,703 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 10:49:12,704 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 10:49:12,704 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 10:49:12,705 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 10:49:12,705 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 10:49:12,706 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-26 10:49:12,706 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-26 10:49:12,707 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-26 10:49:12,707 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 10:49:12,707 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 10:49:12,708 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 10:49:12,709 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 10:49:12,710 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 10:49:12,711 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 10:49:12,711 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 10:49:12,711 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 10:49:12,712 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 10:49:12,712 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 10:49:12,713 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 10:49:12,713 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-26 10:49:12,714 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-26 10:49:12,714 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 10:49:12,714 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 10:49:12,715 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 10:49:12,715 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 10:49:12,715 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 10:49:12,716 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-26 10:49:12,716 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_c70128c4-50a5-478d-ab6e-81e58996642a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70128c4-50a5-478d-ab6e-81e58996642a/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7aa7b40afd745d6b11fb7961b18fb49ff63e465273ad6411781c67404da0d0d9 [2023-11-26 10:49:13,138 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 10:49:13,173 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 10:49:13,176 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 10:49:13,178 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 10:49:13,178 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 10:49:13,181 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70128c4-50a5-478d-ab6e-81e58996642a/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-84.i [2023-11-26 10:49:16,350 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 10:49:16,663 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 10:49:16,664 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70128c4-50a5-478d-ab6e-81e58996642a/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-84.i [2023-11-26 10:49:16,681 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70128c4-50a5-478d-ab6e-81e58996642a/bin/uautomizer-verify-VRDe98Ueme/data/9c0f5211b/80cf1e2f24f64d54be71203932dc498f/FLAG23a048108 [2023-11-26 10:49:16,706 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70128c4-50a5-478d-ab6e-81e58996642a/bin/uautomizer-verify-VRDe98Ueme/data/9c0f5211b/80cf1e2f24f64d54be71203932dc498f [2023-11-26 10:49:16,712 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 10:49:16,713 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 10:49:16,715 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 10:49:16,715 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 10:49:16,720 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 10:49:16,721 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:49:16" (1/1) ... [2023-11-26 10:49:16,722 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b1c7fcc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:49:16, skipping insertion in model container [2023-11-26 10:49:16,723 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:49:16" (1/1) ... [2023-11-26 10:49:16,752 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 10:49:16,910 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_c70128c4-50a5-478d-ab6e-81e58996642a/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-84.i[913,926] [2023-11-26 10:49:16,956 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:49:16,973 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 10:49:16,987 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_c70128c4-50a5-478d-ab6e-81e58996642a/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-84.i[913,926] [2023-11-26 10:49:17,012 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:49:17,031 INFO L206 MainTranslator]: Completed translation [2023-11-26 10:49:17,032 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:49:17 WrapperNode [2023-11-26 10:49:17,032 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 10:49:17,034 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 10:49:17,034 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 10:49:17,034 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 10:49:17,042 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:49:17" (1/1) ... [2023-11-26 10:49:17,054 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:49:17" (1/1) ... [2023-11-26 10:49:17,081 INFO L138 Inliner]: procedures = 27, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 116 [2023-11-26 10:49:17,082 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 10:49:17,082 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 10:49:17,083 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 10:49:17,083 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 10:49:17,095 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:49:17" (1/1) ... [2023-11-26 10:49:17,095 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:49:17" (1/1) ... [2023-11-26 10:49:17,100 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:49:17" (1/1) ... [2023-11-26 10:49:17,115 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-11-26 10:49:17,115 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:49:17" (1/1) ... [2023-11-26 10:49:17,116 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:49:17" (1/1) ... [2023-11-26 10:49:17,125 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:49:17" (1/1) ... [2023-11-26 10:49:17,129 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:49:17" (1/1) ... [2023-11-26 10:49:17,132 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:49:17" (1/1) ... [2023-11-26 10:49:17,134 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:49:17" (1/1) ... [2023-11-26 10:49:17,138 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 10:49:17,139 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 10:49:17,140 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 10:49:17,140 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 10:49:17,141 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:49:17" (1/1) ... [2023-11-26 10:49:17,147 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 10:49:17,160 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70128c4-50a5-478d-ab6e-81e58996642a/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:49:17,178 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70128c4-50a5-478d-ab6e-81e58996642a/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 10:49:17,204 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70128c4-50a5-478d-ab6e-81e58996642a/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 10:49:17,226 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 10:49:17,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-26 10:49:17,227 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-26 10:49:17,227 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-26 10:49:17,229 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 10:49:17,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 10:49:17,413 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 10:49:17,416 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 10:49:17,876 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 10:49:17,931 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 10:49:17,931 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-26 10:49:17,932 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:49:17 BoogieIcfgContainer [2023-11-26 10:49:17,932 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 10:49:17,935 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 10:49:17,935 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 10:49:17,939 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 10:49:17,939 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 10:49:16" (1/3) ... [2023-11-26 10:49:17,940 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46787c38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 10:49:17, skipping insertion in model container [2023-11-26 10:49:17,940 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:49:17" (2/3) ... [2023-11-26 10:49:17,941 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46787c38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 10:49:17, skipping insertion in model container [2023-11-26 10:49:17,941 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:49:17" (3/3) ... [2023-11-26 10:49:17,943 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-84.i [2023-11-26 10:49:17,966 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 10:49:17,966 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-26 10:49:18,024 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 10:49:18,033 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;@3cd4e741, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 10:49:18,034 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-26 10:49:18,039 INFO L276 IsEmpty]: Start isEmpty. Operand has 49 states, 26 states have (on average 1.3846153846153846) internal successors, (36), 27 states have internal predecessors, (36), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-26 10:49:18,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2023-11-26 10:49:18,057 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:49:18,058 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:49:18,058 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:49:18,064 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:49:18,065 INFO L85 PathProgramCache]: Analyzing trace with hash 1398631484, now seen corresponding path program 1 times [2023-11-26 10:49:18,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 10:49:18,082 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [473020133] [2023-11-26 10:49:18,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:49:18,083 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-26 10:49:18,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70128c4-50a5-478d-ab6e-81e58996642a/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 10:49:18,087 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70128c4-50a5-478d-ab6e-81e58996642a/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-26 10:49:18,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70128c4-50a5-478d-ab6e-81e58996642a/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-26 10:49:18,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:49:18,420 INFO L262 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-26 10:49:18,433 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:49:18,515 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 722 trivial. 0 not checked. [2023-11-26 10:49:18,515 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 10:49:18,516 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-26 10:49:18,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [473020133] [2023-11-26 10:49:18,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [473020133] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:49:18,518 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:49:18,518 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 10:49:18,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358907432] [2023-11-26 10:49:18,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:49:18,529 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-26 10:49:18,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-26 10:49:18,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-26 10:49:18,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 10:49:18,599 INFO L87 Difference]: Start difference. First operand has 49 states, 26 states have (on average 1.3846153846153846) internal successors, (36), 27 states have internal predecessors, (36), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 1 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-26 10:49:18,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:49:18,677 INFO L93 Difference]: Finished difference Result 95 states and 170 transitions. [2023-11-26 10:49:18,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-26 10:49:18,684 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 1 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 1 states have call successors, (20) Word has length 120 [2023-11-26 10:49:18,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:49:18,692 INFO L225 Difference]: With dead ends: 95 [2023-11-26 10:49:18,692 INFO L226 Difference]: Without dead ends: 47 [2023-11-26 10:49:18,696 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 10:49:18,701 INFO L413 NwaCegarLoop]: 68 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 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, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 10:49:18,702 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 68 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 10:49:18,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2023-11-26 10:49:18,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2023-11-26 10:49:18,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 25 states have (on average 1.24) internal successors, (31), 25 states have internal predecessors, (31), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-26 10:49:18,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 71 transitions. [2023-11-26 10:49:18,756 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 71 transitions. Word has length 120 [2023-11-26 10:49:18,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:49:18,756 INFO L495 AbstractCegarLoop]: Abstraction has 47 states and 71 transitions. [2023-11-26 10:49:18,757 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 1 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-26 10:49:18,757 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 71 transitions. [2023-11-26 10:49:18,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2023-11-26 10:49:18,761 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:49:18,761 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:49:18,768 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70128c4-50a5-478d-ab6e-81e58996642a/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)] Ended with exit code 0 [2023-11-26 10:49:18,968 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70128c4-50a5-478d-ab6e-81e58996642a/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-26 10:49:18,968 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:49:18,969 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:49:18,969 INFO L85 PathProgramCache]: Analyzing trace with hash 534550204, now seen corresponding path program 1 times [2023-11-26 10:49:18,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 10:49:18,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1248424418] [2023-11-26 10:49:18,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:49:18,971 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-26 10:49:18,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70128c4-50a5-478d-ab6e-81e58996642a/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 10:49:18,972 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70128c4-50a5-478d-ab6e-81e58996642a/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-26 10:49:18,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70128c4-50a5-478d-ab6e-81e58996642a/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-26 10:49:19,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:49:19,226 INFO L262 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-26 10:49:19,240 INFO L285 TraceCheckSpWp]: Computing forward predicates...