./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-31.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_a66212c8-1356-4ce0-a7c5-491ef7c3bb8f/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66212c8-1356-4ce0-a7c5-491ef7c3bb8f/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66212c8-1356-4ce0-a7c5-491ef7c3bb8f/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66212c8-1356-4ce0-a7c5-491ef7c3bb8f/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-31.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66212c8-1356-4ce0-a7c5-491ef7c3bb8f/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66212c8-1356-4ce0-a7c5-491ef7c3bb8f/bin/uautomizer-verify-uCwYo4JHxu --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 9930e7e7388f7dfeb601d848298c3301ebab0d86295164196a4204cce117c042 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:41:23,944 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:41:24,064 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66212c8-1356-4ce0-a7c5-491ef7c3bb8f/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-19 07:41:24,076 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:41:24,078 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:41:24,115 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:41:24,117 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:41:24,118 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:41:24,119 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:41:24,124 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:41:24,125 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:41:24,126 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:41:24,126 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:41:24,128 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:41:24,129 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:41:24,129 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:41:24,129 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:41:24,130 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:41:24,130 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:41:24,131 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:41:24,131 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:41:24,132 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:41:24,133 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:41:24,133 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:41:24,134 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:41:24,135 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:41:24,135 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:41:24,136 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:41:24,136 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:41:24,137 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:41:24,138 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:41:24,138 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:41:24,139 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:41:24,139 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:41:24,139 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:41:24,140 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:41:24,140 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:41:24,140 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:41:24,140 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:41:24,141 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_a66212c8-1356-4ce0-a7c5-491ef7c3bb8f/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66212c8-1356-4ce0-a7c5-491ef7c3bb8f/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9930e7e7388f7dfeb601d848298c3301ebab0d86295164196a4204cce117c042 [2023-11-19 07:41:24,489 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:41:24,522 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:41:24,525 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:41:24,527 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:41:24,528 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:41:24,529 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66212c8-1356-4ce0-a7c5-491ef7c3bb8f/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-31.i [2023-11-19 07:41:27,656 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:41:27,905 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:41:27,905 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66212c8-1356-4ce0-a7c5-491ef7c3bb8f/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-31.i [2023-11-19 07:41:27,916 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66212c8-1356-4ce0-a7c5-491ef7c3bb8f/bin/uautomizer-verify-uCwYo4JHxu/data/db2d1c741/87af874d2573452dbb2091f86b8c8f47/FLAG58b2b3a42 [2023-11-19 07:41:27,930 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66212c8-1356-4ce0-a7c5-491ef7c3bb8f/bin/uautomizer-verify-uCwYo4JHxu/data/db2d1c741/87af874d2573452dbb2091f86b8c8f47 [2023-11-19 07:41:27,932 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:41:27,934 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:41:27,935 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:41:27,936 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:41:27,941 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:41:27,942 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:41:27" (1/1) ... [2023-11-19 07:41:27,943 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7883395f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:41:27, skipping insertion in model container [2023-11-19 07:41:27,944 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:41:27" (1/1) ... [2023-11-19 07:41:27,971 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:41:28,155 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_a66212c8-1356-4ce0-a7c5-491ef7c3bb8f/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-31.i[913,926] [2023-11-19 07:41:28,194 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:41:28,206 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:41:28,226 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_a66212c8-1356-4ce0-a7c5-491ef7c3bb8f/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-31.i[913,926] [2023-11-19 07:41:28,262 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:41:28,285 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:41:28,286 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:41:28 WrapperNode [2023-11-19 07:41:28,286 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:41:28,287 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:41:28,288 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:41:28,288 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:41:28,300 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:41:28" (1/1) ... [2023-11-19 07:41:28,320 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:41:28" (1/1) ... [2023-11-19 07:41:28,367 INFO L138 Inliner]: procedures = 26, calls = 24, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 98 [2023-11-19 07:41:28,367 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:41:28,368 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:41:28,368 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:41:28,372 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:41:28,385 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:41:28" (1/1) ... [2023-11-19 07:41:28,385 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:41:28" (1/1) ... [2023-11-19 07:41:28,388 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:41:28" (1/1) ... [2023-11-19 07:41:28,388 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:41:28" (1/1) ... [2023-11-19 07:41:28,395 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:41:28" (1/1) ... [2023-11-19 07:41:28,401 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:41:28" (1/1) ... [2023-11-19 07:41:28,404 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:41:28" (1/1) ... [2023-11-19 07:41:28,405 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:41:28" (1/1) ... [2023-11-19 07:41:28,408 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:41:28,410 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:41:28,410 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:41:28,410 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:41:28,411 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:41:28" (1/1) ... [2023-11-19 07:41:28,419 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:41:28,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66212c8-1356-4ce0-a7c5-491ef7c3bb8f/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:41:28,463 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66212c8-1356-4ce0-a7c5-491ef7c3bb8f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:41:28,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66212c8-1356-4ce0-a7c5-491ef7c3bb8f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:41:28,500 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:41:28,500 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 07:41:28,500 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 07:41:28,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:41:28,501 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:41:28,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:41:28,581 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:41:28,584 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:41:28,867 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:41:28,876 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:41:28,877 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 07:41:28,881 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:41:28 BoogieIcfgContainer [2023-11-19 07:41:28,882 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:41:28,904 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:41:28,904 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:41:28,908 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:41:28,908 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:41:27" (1/3) ... [2023-11-19 07:41:28,909 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d93d29c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:41:28, skipping insertion in model container [2023-11-19 07:41:28,909 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:41:28" (2/3) ... [2023-11-19 07:41:28,909 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d93d29c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:41:28, skipping insertion in model container [2023-11-19 07:41:28,910 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:41:28" (3/3) ... [2023-11-19 07:41:28,911 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-31.i [2023-11-19 07:41:28,928 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:41:28,928 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 07:41:28,978 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:41:28,986 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;@5eae73e8, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:41:28,986 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 07:41:28,990 INFO L276 IsEmpty]: Start isEmpty. Operand has 45 states, 31 states have (on average 1.4516129032258065) internal successors, (45), 32 states have internal predecessors, (45), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-19 07:41:29,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-11-19 07:41:29,002 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:41:29,003 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:41:29,003 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:41:29,009 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:41:29,010 INFO L85 PathProgramCache]: Analyzing trace with hash -297880325, now seen corresponding path program 1 times [2023-11-19 07:41:29,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:41:29,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1640243080] [2023-11-19 07:41:29,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:41:29,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:41:29,185 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 07:41:29,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [173326332] [2023-11-19 07:41:29,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:41:29,186 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:41:29,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66212c8-1356-4ce0-a7c5-491ef7c3bb8f/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:41:29,190 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66212c8-1356-4ce0-a7c5-491ef7c3bb8f/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:41:29,208 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66212c8-1356-4ce0-a7c5-491ef7c3bb8f/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 07:41:29,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:29,407 INFO L262 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 07:41:29,416 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:41:29,486 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-19 07:41:29,487 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:41:29,487 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:41:29,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1640243080] [2023-11-19 07:41:29,488 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 07:41:29,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [173326332] [2023-11-19 07:41:29,489 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [173326332] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:41:29,489 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:41:29,489 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:41:29,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052890291] [2023-11-19 07:41:29,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:41:29,497 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 07:41:29,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:41:29,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 07:41:29,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 07:41:29,531 INFO L87 Difference]: Start difference. First operand has 45 states, 31 states have (on average 1.4516129032258065) internal successors, (45), 32 states have internal predecessors, (45), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-19 07:41:29,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:41:29,561 INFO L93 Difference]: Finished difference Result 83 states and 139 transitions. [2023-11-19 07:41:29,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 07:41:29,564 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 74 [2023-11-19 07:41:29,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:41:29,573 INFO L225 Difference]: With dead ends: 83 [2023-11-19 07:41:29,573 INFO L226 Difference]: Without dead ends: 41 [2023-11-19 07:41:29,576 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 07:41:29,580 INFO L413 NwaCegarLoop]: 59 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:41:29,582 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:41:29,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2023-11-19 07:41:29,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2023-11-19 07:41:29,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 28 states have (on average 1.3214285714285714) internal successors, (37), 28 states have internal predecessors, (37), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-19 07:41:29,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 59 transitions. [2023-11-19 07:41:29,626 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 59 transitions. Word has length 74 [2023-11-19 07:41:29,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:41:29,628 INFO L495 AbstractCegarLoop]: Abstraction has 41 states and 59 transitions. [2023-11-19 07:41:29,629 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-19 07:41:29,629 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 59 transitions. [2023-11-19 07:41:29,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-11-19 07:41:29,633 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:41:29,633 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:41:29,649 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66212c8-1356-4ce0-a7c5-491ef7c3bb8f/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-19 07:41:29,835 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66212c8-1356-4ce0-a7c5-491ef7c3bb8f/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-19 07:41:29,836 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:41:29,836 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:41:29,837 INFO L85 PathProgramCache]: Analyzing trace with hash 1477127037, now seen corresponding path program 1 times [2023-11-19 07:41:29,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:41:29,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [728569743] [2023-11-19 07:41:29,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:41:29,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:41:29,907 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 07:41:29,907 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [858141890] [2023-11-19 07:41:29,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:41:29,908 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:41:29,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66212c8-1356-4ce0-a7c5-491ef7c3bb8f/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:41:29,909 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66212c8-1356-4ce0-a7c5-491ef7c3bb8f/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:41:29,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66212c8-1356-4ce0-a7c5-491ef7c3bb8f/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-19 07:41:30,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:41:30,073 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:41:30,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:41:30,165 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:41:30,165 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 07:41:30,167 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 07:41:30,176 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66212c8-1356-4ce0-a7c5-491ef7c3bb8f/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-19 07:41:30,375 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66212c8-1356-4ce0-a7c5-491ef7c3bb8f/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:41:30,379 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-19 07:41:30,383 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 07:41:30,490 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:41:30 BoogieIcfgContainer [2023-11-19 07:41:30,490 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 07:41:30,492 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 07:41:30,492 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 07:41:30,492 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 07:41:30,493 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:41:28" (3/4) ... [2023-11-19 07:41:30,497 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 07:41:30,498 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 07:41:30,506 INFO L158 Benchmark]: Toolchain (without parser) took 2565.88ms. Allocated memory was 140.5MB in the beginning and 197.1MB in the end (delta: 56.6MB). Free memory was 94.3MB in the beginning and 117.3MB in the end (delta: -23.0MB). Peak memory consumption was 34.3MB. Max. memory is 16.1GB. [2023-11-19 07:41:30,507 INFO L158 Benchmark]: CDTParser took 0.56ms. Allocated memory is still 140.5MB. Free memory is still 113.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:41:30,508 INFO L158 Benchmark]: CACSL2BoogieTranslator took 351.34ms. Allocated memory is still 140.5MB. Free memory was 94.3MB in the beginning and 82.1MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 07:41:30,510 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.75ms. Allocated memory is still 140.5MB. Free memory was 82.1MB in the beginning and 79.7MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:41:30,511 INFO L158 Benchmark]: Boogie Preprocessor took 40.96ms. Allocated memory is still 140.5MB. Free memory was 79.7MB in the beginning and 78.4MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:41:30,511 INFO L158 Benchmark]: RCFGBuilder took 472.23ms. Allocated memory is still 140.5MB. Free memory was 78.2MB in the beginning and 108.8MB in the end (delta: -30.5MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. [2023-11-19 07:41:30,514 INFO L158 Benchmark]: TraceAbstraction took 1586.68ms. Allocated memory is still 197.1MB. Free memory was 168.5MB in the beginning and 117.4MB in the end (delta: 51.1MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2023-11-19 07:41:30,515 INFO L158 Benchmark]: Witness Printer took 7.18ms. Allocated memory is still 197.1MB. Free memory was 117.4MB in the beginning and 117.3MB in the end (delta: 88.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:41:30,517 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.56ms. Allocated memory is still 140.5MB. Free memory is still 113.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 351.34ms. Allocated memory is still 140.5MB. Free memory was 94.3MB in the beginning and 82.1MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.75ms. Allocated memory is still 140.5MB. Free memory was 82.1MB in the beginning and 79.7MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.96ms. Allocated memory is still 140.5MB. Free memory was 79.7MB in the beginning and 78.4MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 472.23ms. Allocated memory is still 140.5MB. Free memory was 78.2MB in the beginning and 108.8MB in the end (delta: -30.5MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. * TraceAbstraction took 1586.68ms. Allocated memory is still 197.1MB. Free memory was 168.5MB in the beginning and 117.4MB in the end (delta: 51.1MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * Witness Printer took 7.18ms. Allocated memory is still 197.1MB. Free memory was 117.4MB in the beginning and 117.3MB in the end (delta: 88.6kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 96. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = 200; [L23] unsigned char var_1_2 = 0; [L24] signed long int var_1_3 = 1107940323; [L25] unsigned char var_1_6 = 0; [L26] signed long int var_1_7 = 4; [L27] signed long int var_1_8 = -32; [L28] unsigned char var_1_9 = 64; [L29] unsigned char var_1_12 = 4; [L30] double var_1_13 = 0.97; [L31] double var_1_14 = 32.6; [L32] signed long int last_1_var_1_7 = 4; [L33] double last_1_var_1_13 = 0.97; VAL [isInitial=0, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12=4, var_1_13=97/100, var_1_14=163/5, var_1_1=200, var_1_2=0, var_1_3=1107940323, var_1_6=0, var_1_7=4, var_1_8=-32, var_1_9=64] [L100] isInitial = 1 [L101] FCALL initially() [L102] COND TRUE 1 [L103] CALL updateLastVariables() [L92] last_1_var_1_7 = var_1_7 [L93] last_1_var_1_13 = var_1_13 VAL [isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12=4, var_1_13=97/100, var_1_14=163/5, var_1_1=200, var_1_2=0, var_1_3=1107940323, var_1_6=0, var_1_7=4, var_1_8=-32, var_1_9=64] [L103] RET updateLastVariables() [L104] CALL updateVariables() [L73] var_1_2 = __VERIFIER_nondet_uchar() [L74] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12=4, var_1_13=97/100, var_1_14=163/5, var_1_1=200, var_1_3=1107940323, var_1_6=0, var_1_7=4, var_1_8=-32, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12=4, var_1_13=97/100, var_1_14=163/5, var_1_1=200, var_1_3=1107940323, var_1_6=0, var_1_7=4, var_1_8=-32, var_1_9=64] [L74] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12=4, var_1_13=97/100, var_1_14=163/5, var_1_1=200, var_1_3=1107940323, var_1_6=0, var_1_7=4, var_1_8=-32, var_1_9=64] [L75] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12=4, var_1_13=97/100, var_1_14=163/5, var_1_1=200, var_1_2=1, var_1_3=1107940323, var_1_6=0, var_1_7=4, var_1_8=-32, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12=4, var_1_13=97/100, var_1_14=163/5, var_1_1=200, var_1_2=1, var_1_3=1107940323, var_1_6=0, var_1_7=4, var_1_8=-32, var_1_9=64] [L75] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12=4, var_1_13=97/100, var_1_14=163/5, var_1_1=200, var_1_2=1, var_1_3=1107940323, var_1_6=0, var_1_7=4, var_1_8=-32, var_1_9=64] [L76] var_1_3 = __VERIFIER_nondet_long() [L77] CALL assume_abort_if_not(var_1_3 >= 1073741822) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12=4, var_1_13=97/100, var_1_14=163/5, var_1_1=200, var_1_2=1, var_1_3=1073741823, var_1_6=0, var_1_7=4, var_1_8=-32, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12=4, var_1_13=97/100, var_1_14=163/5, var_1_1=200, var_1_2=1, var_1_3=1073741823, var_1_6=0, var_1_7=4, var_1_8=-32, var_1_9=64] [L77] RET assume_abort_if_not(var_1_3 >= 1073741822) VAL [isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12=4, var_1_13=97/100, var_1_14=163/5, var_1_1=200, var_1_2=1, var_1_3=1073741823, var_1_6=0, var_1_7=4, var_1_8=-32, var_1_9=64] [L78] CALL assume_abort_if_not(var_1_3 <= 2147483646) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12=4, var_1_13=97/100, var_1_14=163/5, var_1_1=200, var_1_2=1, var_1_3=1073741823, var_1_6=0, var_1_7=4, var_1_8=-32, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12=4, var_1_13=97/100, var_1_14=163/5, var_1_1=200, var_1_2=1, var_1_3=1073741823, var_1_6=0, var_1_7=4, var_1_8=-32, var_1_9=64] [L78] RET assume_abort_if_not(var_1_3 <= 2147483646) VAL [isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12=4, var_1_13=97/100, var_1_14=163/5, var_1_1=200, var_1_2=1, var_1_3=1073741823, var_1_6=0, var_1_7=4, var_1_8=-32, var_1_9=64] [L79] var_1_6 = __VERIFIER_nondet_uchar() [L80] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12=4, var_1_13=97/100, var_1_14=163/5, var_1_1=200, var_1_2=1, var_1_3=1073741823, var_1_6=1, var_1_7=4, var_1_8=-32, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12=4, var_1_13=97/100, var_1_14=163/5, var_1_1=200, var_1_2=1, var_1_3=1073741823, var_1_6=1, var_1_7=4, var_1_8=-32, var_1_9=64] [L80] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12=4, var_1_13=97/100, var_1_14=163/5, var_1_1=200, var_1_2=1, var_1_3=1073741823, var_1_6=1, var_1_7=4, var_1_8=-32, var_1_9=64] [L81] CALL assume_abort_if_not(var_1_6 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12=4, var_1_13=97/100, var_1_14=163/5, var_1_1=200, var_1_2=1, var_1_3=1073741823, var_1_6=1, var_1_7=4, var_1_8=-32, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12=4, var_1_13=97/100, var_1_14=163/5, var_1_1=200, var_1_2=1, var_1_3=1073741823, var_1_6=1, var_1_7=4, var_1_8=-32, var_1_9=64] [L81] RET assume_abort_if_not(var_1_6 <= 1) VAL [isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12=4, var_1_13=97/100, var_1_14=163/5, var_1_1=200, var_1_2=1, var_1_3=1073741823, var_1_6=1, var_1_7=4, var_1_8=-32, var_1_9=64] [L82] var_1_8 = __VERIFIER_nondet_long() [L83] CALL assume_abort_if_not(var_1_8 >= -1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12=4, var_1_13=97/100, var_1_14=163/5, var_1_1=200, var_1_2=1, var_1_3=1073741823, var_1_6=1, var_1_7=4, var_1_8=268435456, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12=4, var_1_13=97/100, var_1_14=163/5, var_1_1=200, var_1_2=1, var_1_3=1073741823, var_1_6=1, var_1_7=4, var_1_8=268435456, var_1_9=64] [L83] RET assume_abort_if_not(var_1_8 >= -1073741823) VAL [isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12=4, var_1_13=97/100, var_1_14=163/5, var_1_1=200, var_1_2=1, var_1_3=1073741823, var_1_6=1, var_1_7=4, var_1_8=268435456, var_1_9=64] [L84] CALL assume_abort_if_not(var_1_8 <= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12=4, var_1_13=97/100, var_1_14=163/5, var_1_1=200, var_1_2=1, var_1_3=1073741823, var_1_6=1, var_1_7=4, var_1_8=268435456, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12=4, var_1_13=97/100, var_1_14=163/5, var_1_1=200, var_1_2=1, var_1_3=1073741823, var_1_6=1, var_1_7=4, var_1_8=268435456, var_1_9=64] [L84] RET assume_abort_if_not(var_1_8 <= 1073741823) VAL [isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12=4, var_1_13=97/100, var_1_14=163/5, var_1_1=200, var_1_2=1, var_1_3=1073741823, var_1_6=1, var_1_7=4, var_1_8=268435456, var_1_9=64] [L85] var_1_12 = __VERIFIER_nondet_uchar() [L86] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12=1, var_1_13=97/100, var_1_14=163/5, var_1_1=200, var_1_2=1, var_1_3=1073741823, var_1_6=1, var_1_7=4, var_1_8=268435456, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12=1, var_1_13=97/100, var_1_14=163/5, var_1_1=200, var_1_2=1, var_1_3=1073741823, var_1_6=1, var_1_7=4, var_1_8=268435456, var_1_9=64] [L86] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12=1, var_1_13=97/100, var_1_14=163/5, var_1_1=200, var_1_2=1, var_1_3=1073741823, var_1_6=1, var_1_7=4, var_1_8=268435456, var_1_9=64] [L87] CALL assume_abort_if_not(var_1_12 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12=1, var_1_13=97/100, var_1_14=163/5, var_1_1=200, var_1_2=1, var_1_3=1073741823, var_1_6=1, var_1_7=4, var_1_8=268435456, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12=1, var_1_13=97/100, var_1_14=163/5, var_1_1=200, var_1_2=1, var_1_3=1073741823, var_1_6=1, var_1_7=4, var_1_8=268435456, var_1_9=64] [L87] RET assume_abort_if_not(var_1_12 <= 254) VAL [isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12=1, var_1_13=97/100, var_1_14=163/5, var_1_1=200, var_1_2=1, var_1_3=1073741823, var_1_6=1, var_1_7=4, var_1_8=268435456, var_1_9=64] [L88] var_1_14 = __VERIFIER_nondet_double() [L89] CALL assume_abort_if_not((var_1_14 >= -922337.2036854765600e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12=1, var_1_13=97/100, var_1_14=2, var_1_1=200, var_1_2=1, var_1_3=1073741823, var_1_6=1, var_1_7=4, var_1_8=268435456, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12=1, var_1_13=97/100, var_1_14=2, var_1_1=200, var_1_2=1, var_1_3=1073741823, var_1_6=1, var_1_7=4, var_1_8=268435456, var_1_9=64] [L89] RET assume_abort_if_not((var_1_14 >= -922337.2036854765600e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12=1, var_1_13=97/100, var_1_14=2, var_1_1=200, var_1_2=1, var_1_3=1073741823, var_1_6=1, var_1_7=4, var_1_8=268435456, var_1_9=64] [L104] RET updateVariables() [L105] CALL step() [L37] COND FALSE !(! (var_1_3 < (var_1_8 * last_1_var_1_7))) [L44] var_1_9 = var_1_12 VAL [isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12=1, var_1_13=97/100, var_1_14=2, var_1_1=200, var_1_2=1, var_1_3=1073741823, var_1_6=1, var_1_7=4, var_1_8=268435456, var_1_9=1] [L46] COND FALSE !(var_1_9 < var_1_9) [L49] var_1_7 = (var_1_9 - var_1_3) VAL [isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12=1, var_1_13=97/100, var_1_14=2, var_1_1=200, var_1_2=1, var_1_3=1073741823, var_1_6=1, var_1_7=-1073741822, var_1_8=268435456, var_1_9=1] [L51] COND FALSE !((var_1_9 + var_1_3) < var_1_9) [L62] var_1_13 = var_1_14 VAL [isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12=1, var_1_13=2, var_1_14=2, var_1_1=200, var_1_2=1, var_1_3=1073741823, var_1_6=1, var_1_7=-1073741822, var_1_8=268435456, var_1_9=1] [L64] COND TRUE \read(var_1_2) [L65] var_1_1 = ((var_1_3 - var_1_9) - var_1_9) VAL [isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12=1, var_1_13=2, var_1_14=2, var_1_1=1073741821, var_1_2=1, var_1_3=1073741823, var_1_6=1, var_1_7=-1073741822, var_1_8=268435456, var_1_9=1] [L105] RET step() [L106] CALL, EXPR property() [L96-L97] return (((var_1_2 ? (var_1_1 == ((signed long int) ((var_1_3 - var_1_9) - var_1_9))) : ((var_1_6 && (var_1_3 < var_1_9)) ? (var_1_1 == ((signed long int) var_1_3)) : 1)) && ((var_1_9 < var_1_9) ? (var_1_7 == ((signed long int) (var_1_9 + var_1_9))) : (var_1_7 == ((signed long int) (var_1_9 - var_1_3))))) && ((! (var_1_3 < (var_1_8 * last_1_var_1_7))) ? ((((((last_1_var_1_13) < 0 ) ? -(last_1_var_1_13) : (last_1_var_1_13))) < last_1_var_1_13) ? (var_1_6 ? (var_1_9 == ((unsigned char) var_1_12)) : 1) : 1) : (var_1_9 == ((unsigned char) var_1_12)))) && (((var_1_9 + var_1_3) < var_1_9) ? ((var_1_2 && var_1_6) ? (var_1_6 ? (var_1_13 == ((double) 0.8)) : (var_1_13 == ((double) var_1_14))) : (var_1_13 == ((double) var_1_14))) : (var_1_13 == ((double) var_1_14))) ; VAL [\result=0, isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12=1, var_1_13=2, var_1_14=2, var_1_1=1073741821, var_1_2=1, var_1_3=1073741823, var_1_6=1, var_1_7=-1073741822, var_1_8=268435456, var_1_9=1] [L106] RET, EXPR property() [L106] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12=1, var_1_13=2, var_1_14=2, var_1_1=1073741821, var_1_2=1, var_1_3=1073741823, var_1_6=1, var_1_7=-1073741822, var_1_8=268435456, var_1_9=1] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12=1, var_1_13=2, var_1_14=2, var_1_1=1073741821, var_1_2=1, var_1_3=1073741823, var_1_6=1, var_1_7=-1073741822, var_1_8=268435456, var_1_9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 45 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 2, TraceHistogramMax: 11, 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, 59 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 59 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 73 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=45occurred 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, 0.3s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 148 NumberOfCodeBlocks, 148 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 73 ConstructedInterpolants, 0 QuantifiedInterpolants, 73 SizeOfPredicates, 0 NumberOfNonLiveVariables, 192 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 220/220 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 [2023-11-19 07:41:30,551 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66212c8-1356-4ce0-a7c5-491ef7c3bb8f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66212c8-1356-4ce0-a7c5-491ef7c3bb8f/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66212c8-1356-4ce0-a7c5-491ef7c3bb8f/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66212c8-1356-4ce0-a7c5-491ef7c3bb8f/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66212c8-1356-4ce0-a7c5-491ef7c3bb8f/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-31.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66212c8-1356-4ce0-a7c5-491ef7c3bb8f/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66212c8-1356-4ce0-a7c5-491ef7c3bb8f/bin/uautomizer-verify-uCwYo4JHxu --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 9930e7e7388f7dfeb601d848298c3301ebab0d86295164196a4204cce117c042 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:41:33,155 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:41:33,273 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66212c8-1356-4ce0-a7c5-491ef7c3bb8f/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-19 07:41:33,280 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:41:33,280 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:41:33,309 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:41:33,309 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:41:33,310 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:41:33,311 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:41:33,312 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:41:33,313 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:41:33,313 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:41:33,314 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:41:33,314 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:41:33,315 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:41:33,316 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:41:33,316 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:41:33,317 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:41:33,317 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:41:33,318 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:41:33,319 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:41:33,319 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 07:41:33,320 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 07:41:33,320 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 07:41:33,321 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:41:33,322 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:41:33,322 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:41:33,323 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:41:33,323 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:41:33,324 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:41:33,325 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:41:33,325 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:41:33,326 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:41:33,327 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:41:33,327 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-19 07:41:33,328 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 07:41:33,328 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:41:33,329 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:41:33,329 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:41:33,330 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:41:33,330 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-19 07:41:33,331 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:41:33,331 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_a66212c8-1356-4ce0-a7c5-491ef7c3bb8f/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66212c8-1356-4ce0-a7c5-491ef7c3bb8f/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9930e7e7388f7dfeb601d848298c3301ebab0d86295164196a4204cce117c042 [2023-11-19 07:41:33,721 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:41:33,752 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:41:33,758 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:41:33,760 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:41:33,761 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:41:33,763 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66212c8-1356-4ce0-a7c5-491ef7c3bb8f/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-31.i [2023-11-19 07:41:36,994 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:41:37,244 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:41:37,245 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66212c8-1356-4ce0-a7c5-491ef7c3bb8f/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-31.i [2023-11-19 07:41:37,255 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66212c8-1356-4ce0-a7c5-491ef7c3bb8f/bin/uautomizer-verify-uCwYo4JHxu/data/7c67cc153/ddaf442d8e974bad92995060d40d4f45/FLAGf3c5034f6 [2023-11-19 07:41:37,271 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66212c8-1356-4ce0-a7c5-491ef7c3bb8f/bin/uautomizer-verify-uCwYo4JHxu/data/7c67cc153/ddaf442d8e974bad92995060d40d4f45 [2023-11-19 07:41:37,274 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:41:37,275 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:41:37,277 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:41:37,277 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:41:37,283 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:41:37,284 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:41:37" (1/1) ... [2023-11-19 07:41:37,285 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@589a297f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:41:37, skipping insertion in model container [2023-11-19 07:41:37,286 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:41:37" (1/1) ... [2023-11-19 07:41:37,316 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:41:37,470 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_a66212c8-1356-4ce0-a7c5-491ef7c3bb8f/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-31.i[913,926] [2023-11-19 07:41:37,528 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:41:37,553 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:41:37,573 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_a66212c8-1356-4ce0-a7c5-491ef7c3bb8f/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-31.i[913,926] [2023-11-19 07:41:37,614 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:41:37,638 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:41:37,639 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:41:37 WrapperNode [2023-11-19 07:41:37,639 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:41:37,640 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:41:37,641 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:41:37,641 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:41:37,649 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:41:37" (1/1) ... [2023-11-19 07:41:37,674 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:41:37" (1/1) ... [2023-11-19 07:41:37,714 INFO L138 Inliner]: procedures = 27, calls = 24, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 96 [2023-11-19 07:41:37,716 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:41:37,718 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:41:37,718 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:41:37,718 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:41:37,728 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:41:37" (1/1) ... [2023-11-19 07:41:37,729 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:41:37" (1/1) ... [2023-11-19 07:41:37,740 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:41:37" (1/1) ... [2023-11-19 07:41:37,741 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:41:37" (1/1) ... [2023-11-19 07:41:37,761 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:41:37" (1/1) ... [2023-11-19 07:41:37,765 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:41:37" (1/1) ... [2023-11-19 07:41:37,768 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:41:37" (1/1) ... [2023-11-19 07:41:37,770 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:41:37" (1/1) ... [2023-11-19 07:41:37,773 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:41:37,774 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:41:37,775 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:41:37,775 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:41:37,776 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:41:37" (1/1) ... [2023-11-19 07:41:37,782 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:41:37,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66212c8-1356-4ce0-a7c5-491ef7c3bb8f/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:41:37,810 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66212c8-1356-4ce0-a7c5-491ef7c3bb8f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:41:37,848 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66212c8-1356-4ce0-a7c5-491ef7c3bb8f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:41:37,858 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:41:37,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 07:41:37,858 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 07:41:37,859 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 07:41:37,859 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:41:37,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:41:37,982 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:41:37,985 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:41:38,377 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:41:38,385 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:41:38,385 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 07:41:38,394 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:41:38 BoogieIcfgContainer [2023-11-19 07:41:38,394 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:41:38,401 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:41:38,401 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:41:38,405 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:41:38,405 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:41:37" (1/3) ... [2023-11-19 07:41:38,406 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6abb90f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:41:38, skipping insertion in model container [2023-11-19 07:41:38,406 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:41:37" (2/3) ... [2023-11-19 07:41:38,407 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6abb90f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:41:38, skipping insertion in model container [2023-11-19 07:41:38,407 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:41:38" (3/3) ... [2023-11-19 07:41:38,410 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-31.i [2023-11-19 07:41:38,430 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:41:38,430 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 07:41:38,485 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:41:38,490 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;@3c256a07, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:41:38,491 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 07:41:38,495 INFO L276 IsEmpty]: Start isEmpty. Operand has 45 states, 31 states have (on average 1.4516129032258065) internal successors, (45), 32 states have internal predecessors, (45), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-19 07:41:38,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-11-19 07:41:38,507 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:41:38,508 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:41:38,512 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:41:38,519 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:41:38,520 INFO L85 PathProgramCache]: Analyzing trace with hash -297880325, now seen corresponding path program 1 times [2023-11-19 07:41:38,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:41:38,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [545582107] [2023-11-19 07:41:38,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:41:38,535 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 [2023-11-19 07:41:38,535 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66212c8-1356-4ce0-a7c5-491ef7c3bb8f/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:41:38,536 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66212c8-1356-4ce0-a7c5-491ef7c3bb8f/bin/uautomizer-verify-uCwYo4JHxu/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) [2023-11-19 07:41:38,558 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66212c8-1356-4ce0-a7c5-491ef7c3bb8f/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:41:38,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:38,791 INFO L262 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 07:41:38,798 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:41:38,834 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-19 07:41:38,834 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:41:38,835 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 07:41:38,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [545582107] [2023-11-19 07:41:38,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [545582107] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:41:38,836 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:41:38,836 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:41:38,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1708452311] [2023-11-19 07:41:38,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:41:38,844 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 07:41:38,844 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 07:41:38,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 07:41:38,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 07:41:38,877 INFO L87 Difference]: Start difference. First operand has 45 states, 31 states have (on average 1.4516129032258065) internal successors, (45), 32 states have internal predecessors, (45), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-19 07:41:38,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:41:38,926 INFO L93 Difference]: Finished difference Result 82 states and 137 transitions. [2023-11-19 07:41:38,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 07:41:38,928 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 74 [2023-11-19 07:41:38,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:41:38,938 INFO L225 Difference]: With dead ends: 82 [2023-11-19 07:41:38,938 INFO L226 Difference]: Without dead ends: 40 [2023-11-19 07:41:38,942 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 07:41:38,946 INFO L413 NwaCegarLoop]: 56 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:41:38,947 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:41:38,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2023-11-19 07:41:38,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2023-11-19 07:41:38,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 27 states have (on average 1.2592592592592593) internal successors, (34), 27 states have internal predecessors, (34), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-19 07:41:38,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 56 transitions. [2023-11-19 07:41:38,990 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 56 transitions. Word has length 74 [2023-11-19 07:41:38,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:41:38,993 INFO L495 AbstractCegarLoop]: Abstraction has 40 states and 56 transitions. [2023-11-19 07:41:38,993 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-19 07:41:38,993 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 56 transitions. [2023-11-19 07:41:38,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-11-19 07:41:38,997 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:41:38,997 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:41:39,005 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66212c8-1356-4ce0-a7c5-491ef7c3bb8f/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-19 07:41:39,200 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66212c8-1356-4ce0-a7c5-491ef7c3bb8f/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:41:39,200 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:41:39,201 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:41:39,201 INFO L85 PathProgramCache]: Analyzing trace with hash 1477127037, now seen corresponding path program 1 times [2023-11-19 07:41:39,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:41:39,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1657934897] [2023-11-19 07:41:39,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:41:39,202 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 [2023-11-19 07:41:39,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66212c8-1356-4ce0-a7c5-491ef7c3bb8f/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:41:39,204 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66212c8-1356-4ce0-a7c5-491ef7c3bb8f/bin/uautomizer-verify-uCwYo4JHxu/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) [2023-11-19 07:41:39,206 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a66212c8-1356-4ce0-a7c5-491ef7c3bb8f/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:41:39,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:39,358 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-19 07:41:39,369 INFO L285 TraceCheckSpWp]: Computing forward predicates...