./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-deagle/arithmetic_prog_bad.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9f33082-6e8f-4c46-afd3-79f0d2fb2399/bin/ugemcutter-Ozs8LMUF8r/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9f33082-6e8f-4c46-afd3-79f0d2fb2399/bin/ugemcutter-Ozs8LMUF8r/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9f33082-6e8f-4c46-afd3-79f0d2fb2399/bin/ugemcutter-Ozs8LMUF8r/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9f33082-6e8f-4c46-afd3-79f0d2fb2399/bin/ugemcutter-Ozs8LMUF8r/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread-deagle/arithmetic_prog_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9f33082-6e8f-4c46-afd3-79f0d2fb2399/bin/ugemcutter-Ozs8LMUF8r/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9f33082-6e8f-4c46-afd3-79f0d2fb2399/bin/ugemcutter-Ozs8LMUF8r --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 051706a1eb405a384d7cf371ab2d9b9605b94715fa3ad16d6c2eb8e3fbb8fc38 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 05:43:49,943 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 05:43:49,945 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 05:43:49,977 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 05:43:49,978 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 05:43:49,979 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 05:43:49,981 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 05:43:49,984 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 05:43:49,987 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 05:43:49,988 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 05:43:49,989 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 05:43:49,991 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 05:43:49,992 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 05:43:49,993 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 05:43:49,996 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 05:43:49,997 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 05:43:49,999 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 05:43:50,000 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 05:43:50,003 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 05:43:50,006 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 05:43:50,009 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 05:43:50,015 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 05:43:50,018 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 05:43:50,020 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 05:43:50,028 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 05:43:50,032 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 05:43:50,033 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 05:43:50,034 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 05:43:50,035 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 05:43:50,036 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 05:43:50,037 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 05:43:50,038 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 05:43:50,039 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 05:43:50,040 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 05:43:50,042 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 05:43:50,042 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 05:43:50,044 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 05:43:50,044 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 05:43:50,045 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 05:43:50,046 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 05:43:50,047 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 05:43:50,048 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9f33082-6e8f-4c46-afd3-79f0d2fb2399/bin/ugemcutter-Ozs8LMUF8r/config/svcomp-Reach-32bit-GemCutter_Default.epf [2021-11-19 05:43:50,075 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 05:43:50,077 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 05:43:50,078 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-19 05:43:50,079 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-19 05:43:50,083 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 05:43:50,083 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 05:43:50,084 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-19 05:43:50,085 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-19 05:43:50,085 INFO L138 SettingsManager]: * Use SBE=true [2021-11-19 05:43:50,086 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 05:43:50,086 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-19 05:43:50,087 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 05:43:50,087 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-19 05:43:50,088 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 05:43:50,088 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 05:43:50,088 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 05:43:50,088 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 05:43:50,089 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-19 05:43:50,089 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 05:43:50,089 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 05:43:50,089 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 05:43:50,090 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 05:43:50,090 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 05:43:50,090 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-11-19 05:43:50,091 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 05:43:50,091 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 05:43:50,091 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 05:43:50,091 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 05:43:50,092 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 05:43:50,093 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-19 05:43:50,093 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-19 05:43:50,094 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-19 05:43:50,094 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-11-19 05:43:50,094 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 05:43:50,095 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-11-19 05:43:50,095 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-11-19 05:43:50,095 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_f9f33082-6e8f-4c46-afd3-79f0d2fb2399/bin/ugemcutter-Ozs8LMUF8r/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9f33082-6e8f-4c46-afd3-79f0d2fb2399/bin/ugemcutter-Ozs8LMUF8r Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 051706a1eb405a384d7cf371ab2d9b9605b94715fa3ad16d6c2eb8e3fbb8fc38 [2021-11-19 05:43:50,424 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 05:43:50,447 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 05:43:50,450 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 05:43:50,452 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 05:43:50,452 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 05:43:50,454 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9f33082-6e8f-4c46-afd3-79f0d2fb2399/bin/ugemcutter-Ozs8LMUF8r/../../sv-benchmarks/c/pthread-deagle/arithmetic_prog_bad.i [2021-11-19 05:43:50,546 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9f33082-6e8f-4c46-afd3-79f0d2fb2399/bin/ugemcutter-Ozs8LMUF8r/data/4982ccf75/785dd54de6a64ef1bc713da447a7716b/FLAG4c72e3d2c [2021-11-19 05:43:51,129 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 05:43:51,130 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9f33082-6e8f-4c46-afd3-79f0d2fb2399/sv-benchmarks/c/pthread-deagle/arithmetic_prog_bad.i [2021-11-19 05:43:51,149 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9f33082-6e8f-4c46-afd3-79f0d2fb2399/bin/ugemcutter-Ozs8LMUF8r/data/4982ccf75/785dd54de6a64ef1bc713da447a7716b/FLAG4c72e3d2c [2021-11-19 05:43:51,414 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9f33082-6e8f-4c46-afd3-79f0d2fb2399/bin/ugemcutter-Ozs8LMUF8r/data/4982ccf75/785dd54de6a64ef1bc713da447a7716b [2021-11-19 05:43:51,416 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 05:43:51,420 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 05:43:51,423 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 05:43:51,423 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 05:43:51,426 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 05:43:51,428 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:43:51" (1/1) ... [2021-11-19 05:43:51,429 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d82dfc8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:43:51, skipping insertion in model container [2021-11-19 05:43:51,430 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:43:51" (1/1) ... [2021-11-19 05:43:51,437 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 05:43:51,505 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 05:43:51,997 WARN L230 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_f9f33082-6e8f-4c46-afd3-79f0d2fb2399/sv-benchmarks/c/pthread-deagle/arithmetic_prog_bad.i[39758,39771] [2021-11-19 05:43:52,005 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 05:43:52,033 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 05:43:52,118 WARN L230 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_f9f33082-6e8f-4c46-afd3-79f0d2fb2399/sv-benchmarks/c/pthread-deagle/arithmetic_prog_bad.i[39758,39771] [2021-11-19 05:43:52,123 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 05:43:52,203 INFO L208 MainTranslator]: Completed translation [2021-11-19 05:43:52,204 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:43:52 WrapperNode [2021-11-19 05:43:52,204 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 05:43:52,206 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 05:43:52,206 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 05:43:52,206 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 05:43:52,214 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:43:52" (1/1) ... [2021-11-19 05:43:52,256 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:43:52" (1/1) ... [2021-11-19 05:43:52,281 INFO L137 Inliner]: procedures = 243, calls = 50, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 78 [2021-11-19 05:43:52,281 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 05:43:52,282 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 05:43:52,282 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 05:43:52,283 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 05:43:52,292 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:43:52" (1/1) ... [2021-11-19 05:43:52,293 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:43:52" (1/1) ... [2021-11-19 05:43:52,296 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:43:52" (1/1) ... [2021-11-19 05:43:52,297 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:43:52" (1/1) ... [2021-11-19 05:43:52,303 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:43:52" (1/1) ... [2021-11-19 05:43:52,307 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:43:52" (1/1) ... [2021-11-19 05:43:52,310 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:43:52" (1/1) ... [2021-11-19 05:43:52,313 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 05:43:52,314 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 05:43:52,314 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 05:43:52,315 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 05:43:52,316 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:43:52" (1/1) ... [2021-11-19 05:43:52,324 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 05:43:52,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9f33082-6e8f-4c46-afd3-79f0d2fb2399/bin/ugemcutter-Ozs8LMUF8r/z3 [2021-11-19 05:43:52,352 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9f33082-6e8f-4c46-afd3-79f0d2fb2399/bin/ugemcutter-Ozs8LMUF8r/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 05:43:52,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9f33082-6e8f-4c46-afd3-79f0d2fb2399/bin/ugemcutter-Ozs8LMUF8r/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 05:43:52,419 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-19 05:43:52,419 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-19 05:43:52,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-19 05:43:52,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-19 05:43:52,421 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-11-19 05:43:52,422 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-11-19 05:43:52,422 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-11-19 05:43:52,422 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-11-19 05:43:52,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-19 05:43:52,423 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-19 05:43:52,423 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 05:43:52,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-19 05:43:52,423 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 05:43:52,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 05:43:52,425 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-19 05:43:52,586 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 05:43:52,588 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 05:43:52,914 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 05:43:52,923 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 05:43:52,923 INFO L301 CfgBuilder]: Removed 4 assume(true) statements. [2021-11-19 05:43:52,925 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:43:52 BoogieIcfgContainer [2021-11-19 05:43:52,926 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 05:43:52,934 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-19 05:43:52,935 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-19 05:43:52,939 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-19 05:43:52,939 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:43:51" (1/3) ... [2021-11-19 05:43:52,940 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15d6fbad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:43:52, skipping insertion in model container [2021-11-19 05:43:52,940 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:43:52" (2/3) ... [2021-11-19 05:43:52,941 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15d6fbad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:43:52, skipping insertion in model container [2021-11-19 05:43:52,941 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:43:52" (3/3) ... [2021-11-19 05:43:52,942 INFO L111 eAbstractionObserver]: Analyzing ICFG arithmetic_prog_bad.i [2021-11-19 05:43:52,948 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-19 05:43:52,948 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-19 05:43:52,948 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-19 05:43:52,948 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-19 05:43:53,004 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:53,004 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:53,005 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:53,005 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:53,006 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:53,006 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:53,006 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:53,007 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:53,012 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:53,013 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:53,013 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:53,013 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:53,014 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:53,014 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:53,015 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:53,015 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:53,015 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:53,016 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:53,017 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:53,017 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:53,019 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:53,019 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:53,019 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:53,020 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:53,020 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:53,021 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:53,021 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:53,021 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:53,022 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:53,022 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:53,022 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:53,023 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:53,023 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:53,023 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:53,024 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:53,024 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:53,024 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:53,024 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:53,025 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:53,025 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:53,026 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:53,026 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:53,026 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:53,027 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:53,028 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:53,028 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:53,028 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:53,028 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:53,029 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:53,029 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:53,029 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:53,030 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:53,030 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:53,031 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:53,031 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:53,031 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:53,031 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:53,032 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:53,032 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:53,032 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:53,032 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:53,033 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:53,033 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:53,033 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:53,034 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:53,035 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:53,035 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:53,035 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:53,036 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:53,036 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:53,036 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:53,037 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:53,037 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:53,037 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:53,038 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:53,039 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:53,039 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:53,040 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:53,041 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:53,044 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:53,044 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:53,044 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:53,045 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:53,045 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:53,046 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:53,046 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:53,047 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:53,047 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:53,053 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:53,053 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:53,053 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:53,054 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:53,060 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:53,060 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:53,061 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:53,061 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:53,062 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:53,062 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:53,063 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:53,063 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:53,063 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:53,069 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:53,069 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:53,070 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:53,070 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:53,070 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:53,070 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:53,071 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:53,071 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:53,071 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:43:53,078 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-11-19 05:43:53,146 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-11-19 05:43:53,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9f33082-6e8f-4c46-afd3-79f0d2fb2399/bin/ugemcutter-Ozs8LMUF8r/z3 [2021-11-19 05:43:53,154 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9f33082-6e8f-4c46-afd3-79f0d2fb2399/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-11-19 05:43:53,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9f33082-6e8f-4c46-afd3-79f0d2fb2399/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-11-19 05:43:53,201 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-11-19 05:43:53,214 INFO L339 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=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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, mLoopAccelerationTechnique=FAST_UPR [2021-11-19 05:43:53,214 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-19 05:43:53,392 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-11-19 05:43:53,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:43:53,397 INFO L85 PathProgramCache]: Analyzing trace with hash 1738275650, now seen corresponding path program 1 times [2021-11-19 05:43:53,407 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:43:53,407 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1297481519] [2021-11-19 05:43:53,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:43:53,408 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:43:53,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:43:53,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:43:53,710 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:43:53,711 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1297481519] [2021-11-19 05:43:53,712 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1297481519] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:43:53,713 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:43:53,713 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-19 05:43:53,715 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70117505] [2021-11-19 05:43:53,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:43:53,722 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-19 05:43:53,723 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:43:53,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-19 05:43:53,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-19 05:43:53,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:43:53,751 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-19 05:43:53,753 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 41.5) internal successors, (83), 2 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:43:53,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:43:53,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:43:53,803 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-19 05:43:53,804 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-11-19 05:43:53,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:43:53,805 INFO L85 PathProgramCache]: Analyzing trace with hash 600400772, now seen corresponding path program 1 times [2021-11-19 05:43:53,805 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:43:53,805 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1158322319] [2021-11-19 05:43:53,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:43:53,805 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:43:53,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:43:53,929 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:43:53,929 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:43:53,930 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1158322319] [2021-11-19 05:43:53,930 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1158322319] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:43:53,930 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:43:53,930 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-19 05:43:53,930 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1243193963] [2021-11-19 05:43:53,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:43:53,932 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 05:43:53,932 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:43:53,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 05:43:53,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 05:43:53,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:43:53,934 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-19 05:43:53,934 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:43:53,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:43:53,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:43:54,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:43:54,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:43:54,012 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-19 05:43:54,013 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-11-19 05:43:54,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:43:54,014 INFO L85 PathProgramCache]: Analyzing trace with hash 1514587616, now seen corresponding path program 1 times [2021-11-19 05:43:54,014 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:43:54,014 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [509279230] [2021-11-19 05:43:54,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:43:54,015 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:43:54,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:43:54,222 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:43:54,222 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:43:54,222 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [509279230] [2021-11-19 05:43:54,223 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [509279230] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-19 05:43:54,223 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2123055615] [2021-11-19 05:43:54,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:43:54,223 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:43:54,223 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9f33082-6e8f-4c46-afd3-79f0d2fb2399/bin/ugemcutter-Ozs8LMUF8r/z3 [2021-11-19 05:43:54,225 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9f33082-6e8f-4c46-afd3-79f0d2fb2399/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 05:43:54,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9f33082-6e8f-4c46-afd3-79f0d2fb2399/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-19 05:43:54,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:43:54,359 INFO L263 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 05:43:54,366 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:43:54,644 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-19 05:43:54,644 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-19 05:43:54,644 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2123055615] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:43:54,645 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-19 05:43:54,645 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2021-11-19 05:43:54,645 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2011037311] [2021-11-19 05:43:54,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:43:54,648 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 05:43:54,649 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:43:54,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 05:43:54,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-19 05:43:54,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:43:54,652 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-19 05:43:54,657 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:43:54,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:43:54,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:43:54,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:43:54,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:43:54,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:43:54,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:43:54,769 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9f33082-6e8f-4c46-afd3-79f0d2fb2399/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-19 05:43:54,944 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9f33082-6e8f-4c46-afd3-79f0d2fb2399/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:43:54,944 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-11-19 05:43:54,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:43:54,945 INFO L85 PathProgramCache]: Analyzing trace with hash -825817419, now seen corresponding path program 1 times [2021-11-19 05:43:54,945 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:43:54,945 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906461525] [2021-11-19 05:43:54,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:43:54,946 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:43:55,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:43:55,105 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-19 05:43:55,107 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:43:55,108 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1906461525] [2021-11-19 05:43:55,108 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1906461525] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-19 05:43:55,108 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1954546632] [2021-11-19 05:43:55,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:43:55,109 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:43:55,110 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9f33082-6e8f-4c46-afd3-79f0d2fb2399/bin/ugemcutter-Ozs8LMUF8r/z3 [2021-11-19 05:43:55,111 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9f33082-6e8f-4c46-afd3-79f0d2fb2399/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 05:43:55,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9f33082-6e8f-4c46-afd3-79f0d2fb2399/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-19 05:43:55,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:43:55,255 INFO L263 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 05:43:55,260 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:43:55,627 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-19 05:43:55,628 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 05:43:55,858 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-19 05:43:55,859 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1954546632] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 05:43:55,859 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-19 05:43:55,859 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2021-11-19 05:43:55,860 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334267224] [2021-11-19 05:43:55,860 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-19 05:43:55,862 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 05:43:55,863 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:43:55,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 05:43:55,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-11-19 05:43:55,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:43:55,864 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-19 05:43:55,865 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 9 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:43:55,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:43:55,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:43:55,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:43:55,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:43:56,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:43:56,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:43:56,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:43:56,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-19 05:43:56,042 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9f33082-6e8f-4c46-afd3-79f0d2fb2399/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-19 05:43:56,218 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9f33082-6e8f-4c46-afd3-79f0d2fb2399/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:43:56,219 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-11-19 05:43:56,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:43:56,219 INFO L85 PathProgramCache]: Analyzing trace with hash 192186421, now seen corresponding path program 2 times [2021-11-19 05:43:56,219 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:43:56,220 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1858555820] [2021-11-19 05:43:56,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:43:56,220 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:43:56,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:43:56,319 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-19 05:43:56,319 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:43:56,326 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1858555820] [2021-11-19 05:43:56,326 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1858555820] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-19 05:43:56,327 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2004280565] [2021-11-19 05:43:56,327 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-19 05:43:56,327 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:43:56,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9f33082-6e8f-4c46-afd3-79f0d2fb2399/bin/ugemcutter-Ozs8LMUF8r/z3 [2021-11-19 05:43:56,329 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9f33082-6e8f-4c46-afd3-79f0d2fb2399/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 05:43:56,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9f33082-6e8f-4c46-afd3-79f0d2fb2399/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-19 05:43:56,480 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-19 05:43:56,480 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-19 05:43:56,482 INFO L263 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 05:43:56,486 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:43:56,816 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-19 05:43:56,817 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-19 05:43:56,817 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2004280565] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:43:56,817 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-19 05:43:56,817 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2021-11-19 05:43:56,818 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [565054153] [2021-11-19 05:43:56,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:43:56,818 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 05:43:56,819 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:43:56,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 05:43:56,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-11-19 05:43:56,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:43:56,820 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-19 05:43:56,820 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.2) internal successors, (121), 5 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:43:56,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:43:56,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:43:56,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:43:56,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-19 05:43:56,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:43:56,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:43:56,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:43:56,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:43:56,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-19 05:43:56,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 05:43:56,998 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9f33082-6e8f-4c46-afd3-79f0d2fb2399/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-19 05:43:57,178 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9f33082-6e8f-4c46-afd3-79f0d2fb2399/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:43:57,179 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-11-19 05:43:57,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:43:57,179 INFO L85 PathProgramCache]: Analyzing trace with hash -965934983, now seen corresponding path program 1 times [2021-11-19 05:43:57,179 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:43:57,180 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [688067204] [2021-11-19 05:43:57,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:43:57,180 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:43:57,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:43:57,313 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 26 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-19 05:43:57,315 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:43:57,315 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [688067204] [2021-11-19 05:43:57,315 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [688067204] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-19 05:43:57,315 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1928151433] [2021-11-19 05:43:57,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:43:57,316 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:43:57,317 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9f33082-6e8f-4c46-afd3-79f0d2fb2399/bin/ugemcutter-Ozs8LMUF8r/z3 [2021-11-19 05:43:57,319 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9f33082-6e8f-4c46-afd3-79f0d2fb2399/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 05:43:57,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9f33082-6e8f-4c46-afd3-79f0d2fb2399/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-19 05:43:57,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:43:57,424 INFO L263 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-19 05:43:57,434 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:43:57,727 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-19 05:43:57,728 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-19 05:43:57,728 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1928151433] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:43:57,728 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-19 05:43:57,729 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 9 [2021-11-19 05:43:57,729 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599567751] [2021-11-19 05:43:57,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:43:57,730 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-19 05:43:57,730 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:43:57,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-19 05:43:57,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-11-19 05:43:57,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:43:57,732 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-19 05:43:57,732 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 21.5) internal successors, (129), 6 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:43:57,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:43:57,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:43:57,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:43:57,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-19 05:43:57,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-19 05:43:57,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:43:57,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:43:57,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:43:57,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:43:57,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-19 05:43:57,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 05:43:57,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-19 05:43:57,918 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9f33082-6e8f-4c46-afd3-79f0d2fb2399/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-19 05:43:58,102 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9f33082-6e8f-4c46-afd3-79f0d2fb2399/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:43:58,102 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-11-19 05:43:58,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:43:58,103 INFO L85 PathProgramCache]: Analyzing trace with hash 2006327522, now seen corresponding path program 2 times [2021-11-19 05:43:58,103 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:43:58,103 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [735201650] [2021-11-19 05:43:58,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:43:58,104 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:43:58,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:43:58,199 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-19 05:43:58,199 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:43:58,200 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [735201650] [2021-11-19 05:43:58,200 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [735201650] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:43:58,200 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:43:58,201 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-19 05:43:58,201 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532441198] [2021-11-19 05:43:58,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:43:58,202 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 05:43:58,202 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:43:58,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 05:43:58,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 05:43:58,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:43:58,203 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-19 05:43:58,204 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:43:58,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:43:58,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:43:58,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:43:58,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-19 05:43:58,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-19 05:43:58,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-19 05:43:58,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:43:58,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:43:58,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:43:58,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:43:58,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-19 05:43:58,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 05:43:58,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-19 05:43:58,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:43:58,247 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-19 05:43:58,248 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-11-19 05:43:58,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:43:58,248 INFO L85 PathProgramCache]: Analyzing trace with hash 681112960, now seen corresponding path program 3 times [2021-11-19 05:43:58,249 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:43:58,249 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2131887753] [2021-11-19 05:43:58,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:43:58,249 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:43:58,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:43:58,370 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 29 proven. 26 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-19 05:43:58,370 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:43:58,372 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2131887753] [2021-11-19 05:43:58,373 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2131887753] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-19 05:43:58,374 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1691085670] [2021-11-19 05:43:58,375 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-19 05:43:58,377 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:43:58,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9f33082-6e8f-4c46-afd3-79f0d2fb2399/bin/ugemcutter-Ozs8LMUF8r/z3 [2021-11-19 05:43:58,382 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9f33082-6e8f-4c46-afd3-79f0d2fb2399/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 05:43:58,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9f33082-6e8f-4c46-afd3-79f0d2fb2399/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-19 05:43:58,527 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-11-19 05:43:58,528 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-19 05:43:58,530 INFO L263 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-19 05:43:58,534 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:43:58,792 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 29 proven. 26 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-19 05:43:58,792 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 05:43:59,028 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 29 proven. 26 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-19 05:43:59,030 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1691085670] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 05:43:59,031 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-19 05:43:59,031 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 9 [2021-11-19 05:43:59,031 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [937708934] [2021-11-19 05:43:59,031 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-19 05:43:59,032 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 05:43:59,032 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:43:59,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 05:43:59,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-11-19 05:43:59,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:43:59,055 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-19 05:43:59,056 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 19.11111111111111) internal successors, (172), 9 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:43:59,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:43:59,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:43:59,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:43:59,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-19 05:43:59,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-19 05:43:59,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-19 05:43:59,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:43:59,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:43:59,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:43:59,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:43:59,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:43:59,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-19 05:43:59,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 05:43:59,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-19 05:43:59,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:43:59,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-19 05:43:59,194 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9f33082-6e8f-4c46-afd3-79f0d2fb2399/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-19 05:43:59,374 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9f33082-6e8f-4c46-afd3-79f0d2fb2399/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:43:59,374 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-11-19 05:43:59,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:43:59,375 INFO L85 PathProgramCache]: Analyzing trace with hash -768686507, now seen corresponding path program 4 times [2021-11-19 05:43:59,375 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:43:59,375 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [336755239] [2021-11-19 05:43:59,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:43:59,376 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:43:59,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 05:43:59,459 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-19 05:43:59,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 05:43:59,589 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-19 05:43:59,589 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-19 05:43:59,590 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2021-11-19 05:43:59,592 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 3 remaining) [2021-11-19 05:43:59,592 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION (0 of 3 remaining) [2021-11-19 05:43:59,593 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-19 05:43:59,603 INFO L732 BasicCegarLoop]: Path program histogram: [4, 2, 1, 1, 1] [2021-11-19 05:43:59,609 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-11-19 05:43:59,609 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-19 05:43:59,769 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 05:43:59 BasicIcfg [2021-11-19 05:43:59,769 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-19 05:43:59,770 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-19 05:43:59,770 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-19 05:43:59,770 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-19 05:43:59,771 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:43:52" (3/4) ... [2021-11-19 05:43:59,772 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-19 05:43:59,885 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9f33082-6e8f-4c46-afd3-79f0d2fb2399/bin/ugemcutter-Ozs8LMUF8r/witness.graphml [2021-11-19 05:43:59,886 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-19 05:43:59,887 INFO L158 Benchmark]: Toolchain (without parser) took 8466.36ms. Allocated memory was 94.4MB in the beginning and 146.8MB in the end (delta: 52.4MB). Free memory was 58.8MB in the beginning and 40.2MB in the end (delta: 18.5MB). Peak memory consumption was 69.5MB. Max. memory is 16.1GB. [2021-11-19 05:43:59,887 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 94.4MB. Free memory was 47.0MB in the beginning and 46.9MB in the end (delta: 76.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 05:43:59,888 INFO L158 Benchmark]: CACSL2BoogieTranslator took 782.11ms. Allocated memory is still 94.4MB. Free memory was 58.4MB in the beginning and 51.2MB in the end (delta: 7.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-19 05:43:59,888 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.96ms. Allocated memory is still 94.4MB. Free memory was 51.2MB in the beginning and 48.8MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-19 05:43:59,889 INFO L158 Benchmark]: Boogie Preprocessor took 31.41ms. Allocated memory is still 94.4MB. Free memory was 48.8MB in the beginning and 47.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 05:43:59,889 INFO L158 Benchmark]: RCFGBuilder took 611.55ms. Allocated memory was 94.4MB in the beginning and 121.6MB in the end (delta: 27.3MB). Free memory was 47.0MB in the beginning and 88.0MB in the end (delta: -41.0MB). Peak memory consumption was 10.3MB. Max. memory is 16.1GB. [2021-11-19 05:43:59,890 INFO L158 Benchmark]: TraceAbstraction took 6834.64ms. Allocated memory was 121.6MB in the beginning and 146.8MB in the end (delta: 25.2MB). Free memory was 86.9MB in the beginning and 65.4MB in the end (delta: 21.5MB). Peak memory consumption was 45.4MB. Max. memory is 16.1GB. [2021-11-19 05:43:59,890 INFO L158 Benchmark]: Witness Printer took 116.27ms. Allocated memory is still 146.8MB. Free memory was 65.4MB in the beginning and 40.2MB in the end (delta: 25.2MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2021-11-19 05:43:59,893 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 94.4MB. Free memory was 47.0MB in the beginning and 46.9MB in the end (delta: 76.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 782.11ms. Allocated memory is still 94.4MB. Free memory was 58.4MB in the beginning and 51.2MB in the end (delta: 7.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.96ms. Allocated memory is still 94.4MB. Free memory was 51.2MB in the beginning and 48.8MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.41ms. Allocated memory is still 94.4MB. Free memory was 48.8MB in the beginning and 47.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 611.55ms. Allocated memory was 94.4MB in the beginning and 121.6MB in the end (delta: 27.3MB). Free memory was 47.0MB in the beginning and 88.0MB in the end (delta: -41.0MB). Peak memory consumption was 10.3MB. Max. memory is 16.1GB. * TraceAbstraction took 6834.64ms. Allocated memory was 121.6MB in the beginning and 146.8MB in the end (delta: 25.2MB). Free memory was 86.9MB in the beginning and 65.4MB in the end (delta: 21.5MB). Peak memory consumption was 45.4MB. Max. memory is 16.1GB. * Witness Printer took 116.27ms. Allocated memory is still 146.8MB. Free memory was 65.4MB in the beginning and 40.2MB in the end (delta: 25.2MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2952, positive: 2675, positive conditional: 955, positive unconditional: 1720, negative: 277, negative conditional: 263, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2703, positive: 2675, positive conditional: 955, positive unconditional: 1720, negative: 28, negative conditional: 14, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2703, positive: 2675, positive conditional: 955, positive unconditional: 1720, negative: 28, negative conditional: 14, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2751, positive: 2675, positive conditional: 777, positive unconditional: 1898, negative: 76, negative conditional: 48, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2751, positive: 2675, positive conditional: 246, positive unconditional: 2429, negative: 76, negative conditional: 12, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2751, positive: 2675, positive conditional: 246, positive unconditional: 2429, negative: 76, negative conditional: 12, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1501, positive: 1484, positive conditional: 4, positive unconditional: 1480, negative: 17, negative conditional: 3, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1501, positive: 1479, positive conditional: 0, positive unconditional: 1479, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 22, positive: 5, positive conditional: 1, positive unconditional: 4, negative: 17, negative conditional: 3, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 95, positive: 21, positive conditional: 1, positive unconditional: 20, negative: 74, negative conditional: 5, negative unconditional: 70, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2751, positive: 1191, positive conditional: 242, positive unconditional: 949, negative: 59, negative conditional: 9, negative unconditional: 50, unknown: 1501, unknown conditional: 7, unknown unconditional: 1494] , Statistics on independence cache: Total cache size (in pairs): 1501, Positive cache size: 1484, Positive conditional cache size: 4, Positive unconditional cache size: 1480, Negative cache size: 17, Negative conditional cache size: 3, Negative unconditional cache size: 14, Eliminated conditions: 567, Maximal queried relation: 5, Independence queries for same thread: 249 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.2s, Number of persistent set computation: 158, Number of trivial persistent sets: 100, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1734, positive: 1720, positive conditional: 0, positive unconditional: 1720, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2952, positive: 2675, positive conditional: 955, positive unconditional: 1720, negative: 277, negative conditional: 263, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2703, positive: 2675, positive conditional: 955, positive unconditional: 1720, negative: 28, negative conditional: 14, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2703, positive: 2675, positive conditional: 955, positive unconditional: 1720, negative: 28, negative conditional: 14, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2751, positive: 2675, positive conditional: 777, positive unconditional: 1898, negative: 76, negative conditional: 48, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2751, positive: 2675, positive conditional: 246, positive unconditional: 2429, negative: 76, negative conditional: 12, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2751, positive: 2675, positive conditional: 246, positive unconditional: 2429, negative: 76, negative conditional: 12, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1501, positive: 1484, positive conditional: 4, positive unconditional: 1480, negative: 17, negative conditional: 3, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1501, positive: 1479, positive conditional: 0, positive unconditional: 1479, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 22, positive: 5, positive conditional: 1, positive unconditional: 4, negative: 17, negative conditional: 3, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 95, positive: 21, positive conditional: 1, positive unconditional: 20, negative: 74, negative conditional: 5, negative unconditional: 70, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2751, positive: 1191, positive conditional: 242, positive unconditional: 949, negative: 59, negative conditional: 9, negative unconditional: 50, unknown: 1501, unknown conditional: 7, unknown unconditional: 1494] , Statistics on independence cache: Total cache size (in pairs): 1501, Positive cache size: 1484, Positive conditional cache size: 4, Positive unconditional cache size: 1480, Negative cache size: 17, Negative conditional cache size: 3, Negative unconditional cache size: 14, Eliminated conditions: 567, Maximal queried relation: 5, Independence queries for same thread: 249 - 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 - CounterExampleResult [Line: 919]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L870] 0 int num; VAL [num=0] [L871] 0 unsigned long total; VAL [num=0, total=0] [L872] 0 int flag; VAL [flag=0, num=0, total=0] [L873] 0 pthread_mutex_t m; VAL [flag=0, m={5:0}, num=0, total=0] [L874] 0 pthread_cond_t empty, full; VAL [empty={6:0}, flag=0, full={7:0}, m={5:0}, num=0, total=0] [L907] 0 pthread_t t1, t2; VAL [empty={6:0}, flag=0, full={7:0}, m={5:0}, num=0, t1={9:0}, t2={3:0}, total=0] [L908] 0 num = 0 VAL [empty={6:0}, flag=0, full={7:0}, m={5:0}, num=0, t1={9:0}, t2={3:0}, total=0] [L909] 0 total = 0 VAL [empty={6:0}, flag=0, full={7:0}, m={5:0}, num=0, t1={9:0}, t2={3:0}, total=0] [L913] FCALL, FORK 0 pthread_create(&t1, 0, thread1, 0) VAL [arg={0:0}, empty={6:0}, flag=0, full={7:0}, m={5:0}, num=0, pthread_create(&t1, 0, thread1, 0)=10, t1={9:0}, t2={3:0}, total=0] [L914] FCALL, FORK 0 pthread_create(&t2, 0, thread2, 0) VAL [arg={0:0}, arg={0:0}, empty={6:0}, flag=0, full={7:0}, m={5:0}, num=0, pthread_create(&t2, 0, thread2, 0)=11, t1={9:0}, t2={3:0}, total=0] [L915] 0 \read(t1) VAL [\read(t1)=10, arg={0:0}, arg={0:0}, empty={6:0}, flag=0, full={7:0}, m={5:0}, num=0, t1={9:0}, t2={3:0}, total=0] [L876] 1 int i; VAL [arg={0:0}, arg={0:0}, arg={0:0}, empty={6:0}, flag=0, full={7:0}, m={5:0}, num=0, total=0] [L877] 1 i = 0 VAL [arg={0:0}, arg={0:0}, arg={0:0}, empty={6:0}, flag=0, full={7:0}, i=0, m={5:0}, num=0, total=0] [L878] COND TRUE 1 i < 3 VAL [arg={0:0}, arg={0:0}, arg={0:0}, empty={6:0}, flag=0, full={7:0}, i=0, m={5:0}, num=0, total=0] [L880] COND FALSE 1 !(num > 0) VAL [arg={0:0}, arg={0:0}, arg={0:0}, empty={6:0}, flag=0, full={7:0}, i=0, m={5:0}, num=0, total=0] [L882] 1 num++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, empty={6:0}, flag=0, full={7:0}, i=0, m={5:0}, num=1, total=0] [L885] 1 i++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, empty={6:0}, flag=0, full={7:0}, i=1, m={5:0}, num=1, total=0] [L878] COND TRUE 1 i < 3 VAL [arg={0:0}, arg={0:0}, arg={0:0}, empty={6:0}, flag=0, full={7:0}, i=1, m={5:0}, num=1, total=0] [L880] COND TRUE 1 num > 0 VAL [arg={0:0}, arg={0:0}, arg={0:0}, empty={6:0}, flag=0, full={7:0}, i=1, m={5:0}, num=1, total=0] [L890] 2 int j; VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={6:0}, flag=0, full={7:0}, i=1, m={5:0}, num=1, total=0] [L891] 2 j = 0 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={6:0}, flag=0, full={7:0}, i=1, j=0, m={5:0}, num=1, total=0] [L892] COND TRUE 2 j < 3 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={6:0}, flag=0, full={7:0}, i=1, j=0, m={5:0}, num=1, total=0] [L894] COND FALSE 2 !(num == 0) VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={6:0}, flag=0, full={7:0}, i=1, j=0, m={5:0}, num=1, total=0] [L896] 2 total = total + j VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={6:0}, flag=0, full={7:0}, i=1, j=0, m={5:0}, num=1, total=0] [L897] 2 num-- VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={6:0}, flag=0, full={7:0}, i=1, j=0, m={5:0}, num=0, total=0] [L880] COND FALSE 1 !(num > 0) VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={6:0}, flag=0, full={7:0}, i=1, j=0, m={5:0}, num=0, total=0] [L882] 1 num++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={6:0}, flag=0, full={7:0}, i=1, j=0, m={5:0}, num=1, total=0] [L885] 1 i++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={6:0}, flag=0, full={7:0}, i=2, j=0, m={5:0}, num=1, total=0] [L878] COND TRUE 1 i < 3 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={6:0}, flag=0, full={7:0}, i=2, j=0, m={5:0}, num=1, total=0] [L880] COND TRUE 1 num > 0 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={6:0}, flag=0, full={7:0}, i=2, j=0, m={5:0}, num=1, total=0] [L900] 2 j++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={6:0}, flag=0, full={7:0}, i=2, j=1, m={5:0}, num=1, total=0] [L892] COND TRUE 2 j < 3 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={6:0}, flag=0, full={7:0}, i=2, j=1, m={5:0}, num=1, total=0] [L894] COND FALSE 2 !(num == 0) VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={6:0}, flag=0, full={7:0}, i=2, j=1, m={5:0}, num=1, total=0] [L896] 2 total = total + j VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={6:0}, flag=0, full={7:0}, i=2, j=1, m={5:0}, num=1, total=1] [L897] 2 num-- VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={6:0}, flag=0, full={7:0}, i=2, j=1, m={5:0}, num=0, total=1] [L880] COND FALSE 1 !(num > 0) VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={6:0}, flag=0, full={7:0}, i=2, j=1, m={5:0}, num=0, total=1] [L882] 1 num++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={6:0}, flag=0, full={7:0}, i=2, j=1, m={5:0}, num=1, total=1] [L885] 1 i++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={6:0}, flag=0, full={7:0}, i=3, j=1, m={5:0}, num=1, total=1] [L878] COND FALSE 1 !(i < 3) VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={6:0}, flag=0, full={7:0}, i=3, j=1, m={5:0}, num=1, total=1] [L887] 1 return ((void *)0); VAL [\result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={6:0}, flag=0, full={7:0}, i=3, j=1, m={5:0}, num=1, total=1] [L900] 2 j++ VAL [\result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={6:0}, flag=0, full={7:0}, i=3, j=2, m={5:0}, num=1, total=1] [L892] COND TRUE 2 j < 3 VAL [\result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={6:0}, flag=0, full={7:0}, i=3, j=2, m={5:0}, num=1, total=1] [L894] COND FALSE 2 !(num == 0) VAL [\result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={6:0}, flag=0, full={7:0}, i=3, j=2, m={5:0}, num=1, total=1] [L896] 2 total = total + j VAL [\result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={6:0}, flag=0, full={7:0}, i=3, j=2, m={5:0}, num=1, total=3] [L897] 2 num-- VAL [\result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={6:0}, flag=0, full={7:0}, i=3, j=2, m={5:0}, num=0, total=3] [L900] 2 j++ VAL [\result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={6:0}, flag=0, full={7:0}, i=3, j=3, m={5:0}, num=0, total=3] [L892] COND FALSE 2 !(j < 3) VAL [\result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={6:0}, flag=0, full={7:0}, i=3, j=3, m={5:0}, num=0, total=3] [L902] 2 total = total + j VAL [\result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={6:0}, flag=0, full={7:0}, i=3, j=3, m={5:0}, num=0, total=6] [L903] 2 flag = 1 VAL [\result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={6:0}, flag=1, full={7:0}, i=3, j=3, m={5:0}, num=0, total=6] [L904] 2 return ((void *)0); VAL [\result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={6:0}, flag=1, full={7:0}, i=3, j=3, m={5:0}, num=0, total=6] [L915] FCALL, JOIN 1 pthread_join(t1, 0) VAL [\read(t1)=10, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={6:0}, flag=1, full={7:0}, i=3, j=3, m={5:0}, num=0, t1={9:0}, t2={3:0}, total=6] [L916] 0 \read(t2) VAL [\read(t2)=11, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={6:0}, flag=1, full={7:0}, i=3, j=3, m={5:0}, num=0, t1={9:0}, t2={3:0}, total=6] [L916] FCALL, JOIN 2 pthread_join(t2, 0) VAL [\read(t2)=11, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={6:0}, flag=1, full={7:0}, i=3, j=3, m={5:0}, num=0, t1={9:0}, t2={3:0}, total=6] [L917] COND TRUE 0 \read(flag) VAL [\result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={6:0}, flag=1, full={7:0}, i=3, j=3, m={5:0}, num=0, t1={9:0}, t2={3:0}, total=6] [L918] COND FALSE 0 !(total != ((3 * (3 + 1)) / 2)) VAL [\result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={6:0}, flag=1, full={7:0}, i=3, j=3, m={5:0}, num=0, t1={9:0}, t2={3:0}, total=6] [L919] 0 reach_error() VAL [\result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={6:0}, flag=1, full={7:0}, i=3, j=3, m={5:0}, num=0, t1={9:0}, t2={3:0}, total=6] - UnprovableResult [Line: 913]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 914]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 168 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 6.5s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.9s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 45, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 2.8s InterpolantComputationTime, 1690 NumberOfCodeBlocks, 1690 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 1769 ConstructedInterpolants, 0 QuantifiedInterpolants, 2497 SizeOfPredicates, 12 NumberOfNonLiveVariables, 1413 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 15 InterpolantComputations, 6 PerfectInterpolantSequences, 315/402 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 proved your program to be incorrect! [2021-11-19 05:43:59,944 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9f33082-6e8f-4c46-afd3-79f0d2fb2399/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2021-11-19 05:44:00,137 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9f33082-6e8f-4c46-afd3-79f0d2fb2399/bin/ugemcutter-Ozs8LMUF8r/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 Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE